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20
inc/lib/IP/LICENSE
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Copyright (c) 2013 Jason Morriss
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is furnished
to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

293
inc/lib/IP/Lifo/IP/BC.php
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<?php
/**
* This file is part of the Lifo\IP PHP Library.
*
* (c) Jason Morriss <lifo2013@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Lifo\IP;
/**
* BCMath helper class.
*
* Provides a handful of BCMath routines that are not included in the native
* PHP library.
*
* Note: The Bitwise functions operate on fixed byte boundaries. For example,
* comparing the following numbers uses X number of bits:
* 0xFFFF and 0xFF will result in comparison of 16 bits.
* 0xFFFFFFFF and 0xF will result in comparison of 32 bits.
* etc...
*
*/
abstract class BC
{
// Some common (maybe useless) constants
const MAX_INT_32 = '2147483647'; // 7FFFFFFF
const MAX_UINT_32 = '4294967295'; // FFFFFFFF
const MAX_INT_64 = '9223372036854775807'; // 7FFFFFFFFFFFFFFF
const MAX_UINT_64 = '18446744073709551615'; // FFFFFFFFFFFFFFFF
const MAX_INT_96 = '39614081257132168796771975167'; // 7FFFFFFFFFFFFFFFFFFFFFFF
const MAX_UINT_96 = '79228162514264337593543950335'; // FFFFFFFFFFFFFFFFFFFFFFFF
const MAX_INT_128 = '170141183460469231731687303715884105727'; // 7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
const MAX_UINT_128 = '340282366920938463463374607431768211455'; // FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
/**
* BC Math function to convert a HEX string into a DECIMAL
*/
public static function bchexdec($hex)
{
if (strlen($hex) == 1) {
return hexdec($hex);
}
$remain = substr($hex, 0, -1);
$last = substr($hex, -1);
return bcadd(bcmul(16, self::bchexdec($remain), 0), hexdec($last), 0);
}
/**
* BC Math function to convert a DECIMAL string into a BINARY string
*/
public static function bcdecbin($dec, $pad = null)
{
$bin = '';
while ($dec) {
$m = bcmod($dec, 2);
$dec = bcdiv($dec, 2, 0);
$bin = abs($m) . $bin;
}
return $pad ? sprintf("%0{$pad}s", $bin) : $bin;
}
/**
* BC Math function to convert a BINARY string into a DECIMAL string
*/
public static function bcbindec($bin)
{
$dec = '0';
for ($i=0, $j=strlen($bin); $i<$j; $i++) {
$dec = bcmul($dec, '2', 0);
$dec = bcadd($dec, $bin[$i], 0);
}
return $dec;
}
/**
* BC Math function to convert a BINARY string into a HEX string
*/
public static function bcbinhex($bin, $pad = 0)
{
return self::bcdechex(self::bcbindec($bin));
}
/**
* BC Math function to convert a DECIMAL into a HEX string
*/
public static function bcdechex($dec)
{
$last = bcmod($dec, 16);
$remain = bcdiv(bcsub($dec, $last, 0), 16, 0);
return $remain == 0 ? dechex($last) : self::bcdechex($remain) . dechex($last);
}
/**
* Bitwise AND two arbitrarily large numbers together.
*/
public static function bcand($left, $right)
{
$len = self::_bitwise($left, $right);
$value = '';
for ($i=0; $i<$len; $i++) {
$value .= (($left{$i} + 0) & ($right{$i} + 0)) ? '1' : '0';
}
return self::bcbindec($value != '' ? $value : '0');
}
/**
* Bitwise OR two arbitrarily large numbers together.
*/
public static function bcor($left, $right)
{
$len = self::_bitwise($left, $right);
$value = '';
for ($i=0; $i<$len; $i++) {
$value .= (($left{$i} + 0) | ($right{$i} + 0)) ? '1' : '0';
}
return self::bcbindec($value != '' ? $value : '0');
}
/**
* Bitwise XOR two arbitrarily large numbers together.
*/
public static function bcxor($left, $right)
{
$len = self::_bitwise($left, $right);
$value = '';
for ($i=0; $i<$len; $i++) {
$value .= (($left{$i} + 0) ^ ($right{$i} + 0)) ? '1' : '0';
}
return self::bcbindec($value != '' ? $value : '0');
}
/**
* Bitwise NOT two arbitrarily large numbers together.
*/
public static function bcnot($left, $bits = null)
{
$right = 0;
$len = self::_bitwise($left, $right, $bits);
$value = '';
for ($i=0; $i<$len; $i++) {
$value .= $left{$i} == '1' ? '0' : '1';
}
return self::bcbindec($value);
}
/**
* Shift number to the left
*
* @param integer $bits Total bits to shift
*/
public static function bcleft($num, $bits) {
return bcmul($num, bcpow('2', $bits));
}
/**
* Shift number to the right
*
* @param integer $bits Total bits to shift
*/
public static function bcright($num, $bits) {
return bcdiv($num, bcpow('2', $bits));
}
/**
* Determine how many bits are needed to store the number rounded to the
* nearest bit boundary.
*/
public static function bits_needed($num, $boundary = 4)
{
$bits = 0;
while ($num > 0) {
$num = bcdiv($num, '2', 0);
$bits++;
}
// round to nearest boundrary
return $boundary ? ceil($bits / $boundary) * $boundary : $bits;
}
/**
* BC Math function to return an arbitrarily large random number.
*/
public static function bcrand($min, $max = null)
{
if ($max === null) {
$max = $min;
$min = 0;
}
// swap values if $min > $max
if (bccomp($min, $max) == 1) {
list($min,$max) = array($max,$min);
}
return bcadd(
bcmul(
bcdiv(
mt_rand(0, mt_getrandmax()),
mt_getrandmax(),
strlen($max)
),
bcsub(
bcadd($max, '1'),
$min
)
),
$min
);
}
/**
* Computes the natural logarithm using a series.
* @author Thomas Oldbury.
* @license Public domain.
*/
public static function bclog($num, $iter = 10, $scale = 100)
{
$log = "0.0";
for($i = 0; $i < $iter; $i++) {
$pow = 1 + (2 * $i);
$mul = bcdiv("1.0", $pow, $scale);
$fraction = bcmul($mul, bcpow(bcsub($num, "1.0", $scale) / bcadd($num, "1.0", $scale), $pow, $scale), $scale);
$log = bcadd($fraction, $log, $scale);
}
return bcmul("2.0", $log, $scale);
}
/**
* Computes the base2 log using baseN log.
*/
public static function bclog2($num, $iter = 10, $scale = 100)
{
return bcdiv(self::bclog($num, $iter, $scale), self::bclog("2", $iter, $scale), $scale);
}
public static function bcfloor($num)
{
if (substr($num, 0, 1) == '-') {
return bcsub($num, 1, 0);
}
return bcadd($num, 0, 0);
}
public static function bcceil($num)
{
if (substr($num, 0, 1) == '-') {
return bcsub($num, 0, 0);
}
return bcadd($num, 1, 0);
}
/**
* Compare two numbers and return -1, 0, 1 depending if the LEFT number is
* < = > the RIGHT.
*
* @param string|integer $left Left side operand
* @param string|integer $right Right side operand
* @return integer Return -1,0,1 for <=> comparison
*/
public static function cmp($left, $right)
{
// @todo could an optimization be done to determine if a normal 32bit
// comparison could be done instead of using bccomp? But would
// the number verification cause too much overhead to be useful?
return bccomp($left, $right, 0);
}
/**
* Internal function to prepare for bitwise operations
*/
private static function _bitwise(&$left, &$right, $bits = null)
{
if ($bits === null) {
$bits = max(self::bits_needed($left), self::bits_needed($right));
}
$left = self::bcdecbin($left);
$right = self::bcdecbin($right);
$len = max(strlen($left), strlen($right), (int)$bits);
$left = sprintf("%0{$len}s", $left);
$right = sprintf("%0{$len}s", $right);
return $len;
}
}

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inc/lib/IP/Lifo/IP/CIDR.php
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<?php
/**
* This file is part of the Lifo\IP PHP Library.
*
* (c) Jason Morriss <lifo2013@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Lifo\IP;
/**
* CIDR Block helper class.
*
* Most routines can be used statically or by instantiating an object and
* calling its methods.
*
* Provides routines to do various calculations on IP addresses and ranges.
* Convert to/from CIDR to ranges, etc.
*/
class CIDR
{
const INTERSECT_NO = 0;
const INTERSECT_YES = 1;
const INTERSECT_LOW = 2;
const INTERSECT_HIGH = 3;
protected $start;
protected $end;
protected $prefix;
protected $version;
protected $istart;
protected $iend;
private $cache;
/**
* Create a new CIDR object.
*
* The IP range can be arbitrary and does not have to fall on a valid CIDR
* range. Some methods will return different values depending if you ignore
* the prefix or not. By default all prefix sensitive methods will assume
* the prefix is used.
*
* @param string $cidr An IP address (1.2.3.4), CIDR block (1.2.3.4/24),
* or range "1.2.3.4-1.2.3.10"
* @param string $end Ending IP in range if no cidr/prefix is given
*/
public function __construct($cidr, $end = null)
{
if ($end !== null) {
$this->setRange($cidr, $end);
} else {
$this->setCidr($cidr);
}
}
/**
* Returns the string representation of the CIDR block.
*/
public function __toString()
{
// do not include the prefix if its a single IP
try {
if ($this->isTrueCidr() && (
($this->version == 4 and $this->prefix != 32) ||
($this->version == 6 and $this->prefix != 128)
)
) {
return $this->start . '/' . $this->prefix;
}
} catch (\Exception $e) {
// isTrueCidr() calls getRange which can throw an exception
}
if (strcmp($this->start, $this->end) == 0) {
return $this->start;
}
return $this->start . ' - ' . $this->end;
}
public function __clone()
{
// do not clone the cache. No real reason why. I just want to keep the
// memory foot print as low as possible, even though this is trivial.
$this->cache = array();
}
/**
* Set an arbitrary IP range.
* The closest matching prefix will be calculated but the actual range
* stored in the object can be arbitrary.
* @param string $start Starting IP or combination "start-end" string.
* @param string $end Ending IP or null.
*/
public function setRange($ip, $end = null)
{
if (strpos($ip, '-') !== false) {
list($ip, $end) = array_map('trim', explode('-', $ip, 2));
}
if (false === filter_var($ip, FILTER_VALIDATE_IP) ||
false === filter_var($end, FILTER_VALIDATE_IP)) {
throw new \InvalidArgumentException("Invalid IP range \"$ip-$end\"");
}
// determine version (4 or 6)
$this->version = (false === filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) ? 6 : 4;
$this->istart = IP::inet_ptod($ip);
$this->iend = IP::inet_ptod($end);
// fix order
if (bccomp($this->istart, $this->iend) == 1) {
list($this->istart, $this->iend) = array($this->iend, $this->istart);
list($ip, $end) = array($end, $ip);
}
$this->start = $ip;
$this->end = $end;
// calculate real prefix
$len = $this->version == 4 ? 32 : 128;
$this->prefix = $len - strlen(BC::bcdecbin(BC::bcxor($this->istart, $this->iend)));
}
/**
* Returns true if the current IP is a true cidr block
*/
public function isTrueCidr()
{
return $this->start == $this->getNetwork() && $this->end == $this->getBroadcast();
}
/**
* Set the CIDR block.
*
* The prefix length is optional and will default to 32 ot 128 depending on
* the version detected.
*
* @param string $cidr CIDR block string, eg: "192.168.0.0/24" or "2001::1/64"
* @throws \InvalidArgumentException If the CIDR block is invalid
*/
public function setCidr($cidr)
{
if (strpos($cidr, '-') !== false) {
return $this->setRange($cidr);
}
list($ip, $bits) = array_pad(array_map('trim', explode('/', $cidr, 2)), 2, null);
if (false === filter_var($ip, FILTER_VALIDATE_IP)) {
throw new \InvalidArgumentException("Invalid IP address \"$cidr\"");
}
// determine version (4 or 6)
$this->version = (false === filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) ? 6 : 4;
$this->start = $ip;
$this->istart = IP::inet_ptod($ip);
if ($bits !== null and $bits !== '') {
$this->prefix = $bits;
} else {
$this->prefix = $this->version == 4 ? 32 : 128;
}
if (($this->prefix < 0)
|| ($this->prefix > 32 and $this->version == 4)
|| ($this->prefix > 128 and $this->version == 6)) {
throw new \InvalidArgumentException("Invalid IP address \"$cidr\"");
}
$this->end = $this->getBroadcast();
$this->iend = IP::inet_ptod($this->end);
$this->cache = array();
}
/**
* Get the IP version. 4 or 6.
*
* @return integer
*/
public function getVersion()
{
return $this->version;
}
/**
* Get the prefix.
*
* Always returns the "proper" prefix, even if the IP range is arbitrary.
*
* @return integer
*/
public function getPrefix()
{
return $this->prefix;
}
/**
* Return the starting presentational IP or Decimal value.
*
* Ignores prefix
*/
public function getStart($decimal = false)
{
return $decimal ? $this->istart : $this->start;
}
/**
* Return the ending presentational IP or Decimal value.
*
* Ignores prefix
*/
public function getEnd($decimal = false)
{
return $decimal ? $this->iend : $this->end;
}
/**
* Return the next presentational IP or Decimal value (following the
* broadcast address of the current CIDR block).
*/
public function getNext($decimal = false)
{
$next = bcadd($this->getEnd(true), '1');
return $decimal ? $next : new self(IP::inet_dtop($next));
}
/**
* Returns true if the IP is an IPv4
*
* @return boolean
*/
public function isIPv4()
{
return $this->version == 4;
}
/**
* Returns true if the IP is an IPv6
*
* @return boolean
*/
public function isIPv6()
{
return $this->version == 6;
}
/**
* Get the cidr notation for the subnet block.
*
* This is useful for when you want a string representation of the IP/prefix
* and the starting IP is not on a valid network boundrary (eg: Displaying
* an IP from an interface).
*
* @return string IP in CIDR notation "ipaddr/prefix"
*/
public function getCidr()
{
return $this->start . '/' . $this->prefix;
}
/**
* Get the [low,high] range of the CIDR block
*
* Prefix sensitive.
*
* @param boolean $ignorePrefix If true the arbitrary start-end range is
* returned. default=false.
*/
public function getRange($ignorePrefix = false)
{
$range = $ignorePrefix
? array($this->start, $this->end)
: self::cidr_to_range($this->start, $this->prefix);
// watch out for IP '0' being converted to IPv6 '::'
if ($range[0] == '::' and strpos($range[1], ':') == false) {
$range[0] = '0.0.0.0';
}
return $range;
}
/**
* Return the IP in its fully expanded form.
*
* For example: 2001::1 == 2007:0000:0000:0000:0000:0000:0000:0001
*
* @see IP::inet_expand
*/
public function getExpanded()
{
return IP::inet_expand($this->start);
}
/**
* Get network IP of the CIDR block
*
* Prefix sensitive.
*
* @param boolean $ignorePrefix If true the arbitrary start-end range is
* returned. default=false.
*/
public function getNetwork($ignorePrefix = false)
{
// micro-optimization to prevent calling getRange repeatedly
$k = $ignorePrefix ? 1 : 0;
if (!isset($this->cache['range'][$k])) {
$this->cache['range'][$k] = $this->getRange($ignorePrefix);
}
return $this->cache['range'][$k][0];
}
/**
* Get broadcast IP of the CIDR block
*
* Prefix sensitive.
*
* @param boolean $ignorePrefix If true the arbitrary start-end range is
* returned. default=false.
*/
public function getBroadcast($ignorePrefix = false)
{
// micro-optimization to prevent calling getRange repeatedly
$k = $ignorePrefix ? 1 : 0;
if (!isset($this->cache['range'][$k])) {
$this->cache['range'][$k] = $this->getRange($ignorePrefix);
}
return $this->cache['range'][$k][1];
}
/**
* Get the network mask based on the prefix.
*
*/
public function getMask()
{
return self::prefix_to_mask($this->prefix, $this->version);
}
/**
* Get total hosts within CIDR range
*
* Prefix sensitive.
*
* @param boolean $ignorePrefix If true the arbitrary start-end range is
* returned. default=false.
*/
public function getTotal($ignorePrefix = false)
{
// micro-optimization to prevent calling getRange repeatedly
$k = $ignorePrefix ? 1 : 0;
if (!isset($this->cache['range'][$k])) {
$this->cache['range'][$k] = $this->getRange($ignorePrefix);
}
return bcadd(bcsub(IP::inet_ptod($this->cache['range'][$k][1]),
IP::inet_ptod($this->cache['range'][$k][0])), '1');
}
public function intersects($cidr)
{
return self::cidr_intersect((string)$this, $cidr);
}
/**
* Determines the intersection between an IP (with optional prefix) and a
* CIDR block.
*
* The IP will be checked against the CIDR block given and will either be
* inside or outside the CIDR completely, or partially.
*
* NOTE: The caller should explicitly check against the INTERSECT_*
* constants because this method will return a value > 1 even for partial
* matches.
*
* @param mixed $ip The IP/cidr to match
* @param mixed $cidr The CIDR block to match within
* @return integer Returns an INTERSECT_* constant
* @throws \InvalidArgumentException if either $ip or $cidr is invalid
*/
public static function cidr_intersect($ip, $cidr)
{
// use fixed length HEX strings so we can easily do STRING comparisons
// instead of using slower bccomp() math.
list($lo,$hi) = array_map(function($v){ return sprintf("%032s", IP::inet_ptoh($v)); }, CIDR::cidr_to_range($ip));
list($min,$max) = array_map(function($v){ return sprintf("%032s", IP::inet_ptoh($v)); }, CIDR::cidr_to_range($cidr));
/** visualization of logic used below
lo-hi = $ip to check
min-max = $cidr block being checked against
--- --- --- lo --- --- hi --- --- --- --- --- IP/prefix to check
--- min --- --- max --- --- --- --- --- --- --- Partial "LOW" match
--- --- --- --- --- min --- --- max --- --- --- Partial "HIGH" match
--- --- --- --- min max --- --- --- --- --- --- No match "NO"
--- --- --- --- --- --- --- --- min --- max --- No match "NO"
min --- max --- --- --- --- --- --- --- --- --- No match "NO"
--- --- min --- --- --- --- max --- --- --- --- Full match "YES"
*/
// IP is exact match or completely inside the CIDR block
if ($lo >= $min and $hi <= $max) {
return self::INTERSECT_YES;
}
// IP is completely outside the CIDR block
if ($max < $lo or $min > $hi) {
return self::INTERSECT_NO;
}
// @todo is it useful to return LOW/HIGH partial matches?
// IP matches the lower end
if ($max <= $hi and $min <= $lo) {
return self::INTERSECT_LOW;
}
// IP matches the higher end
if ($min >= $lo and $max >= $hi) {
return self::INTERSECT_HIGH;
}
return self::INTERSECT_NO;
}
/**
* Converts an IPv4 or IPv6 CIDR block into its range.
*
* @todo May not be the fastest way to do this.
*
* @static
* @param string $cidr CIDR block or IP address string.
* @param integer|null $bits If /bits is not specified on string they can be
* passed via this parameter instead.
* @return array A 2 element array with the low, high range
*/
public static function cidr_to_range($cidr, $bits = null)
{
if (strpos($cidr, '/') !== false) {
list($ip, $_bits) = array_pad(explode('/', $cidr, 2), 2, null);
} else {
$ip = $cidr;
$_bits = $bits;
}
if (false === filter_var($ip, FILTER_VALIDATE_IP)) {
throw new \InvalidArgumentException("IP address \"$cidr\" is invalid");
}
// force bit length to 32 or 128 depending on type of IP
$bitlen = (false === filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) ? 128 : 32;
if ($bits === null) {
// if no prefix is given use the length of the binary string which
// will give us 32 or 128 and result in a single IP being returned.
$bits = $_bits !== null ? $_bits : $bitlen;
}
if ($bits > $bitlen) {
throw new \InvalidArgumentException("IP address \"$cidr\" is invalid");
}
$ipdec = IP::inet_ptod($ip);
$ipbin = BC::bcdecbin($ipdec, $bitlen);
// calculate network
$netmask = BC::bcbindec(str_pad(str_repeat('1',$bits), $bitlen, '0'));
$ip1 = BC::bcand($ipdec, $netmask);
// calculate "broadcast" (not technically a broadcast in IPv6)
$ip2 = BC::bcor($ip1, BC::bcnot($netmask));
return array(IP::inet_dtop($ip1), IP::inet_dtop($ip2));
}
/**
* Return the CIDR string from the range given
*/
public static function range_to_cidr($start, $end)
{
$cidr = new CIDR($start, $end);
return (string)$cidr;
}
/**
* Return the maximum prefix length that would fit the IP address given.
*
* This is useful to determine how my bit would be needed to store the IP
* address when you don't already have a prefix for the IP.
*
* @example 216.240.32.0 would return 27
*
* @param string $ip IP address without prefix
* @param integer $bits Maximum bits to check; defaults to 32 for IPv4 and 128 for IPv6
*/
public static function max_prefix($ip, $bits = null)
{
static $mask = array();
$ver = (false === filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) ? 6 : 4;
$max = $ver == 6 ? 128 : 32;
if ($bits === null) {
$bits = $max;
}
$int = IP::inet_ptod($ip);
while ($bits > 0) {
// micro-optimization; calculate mask once ...
if (!isset($mask[$ver][$bits-1])) {
// 2^$max - 2^($max - $bits);
if ($ver == 4) {
$mask[$ver][$bits-1] = pow(2, $max) - pow(2, $max - ($bits-1));
} else {
$mask[$ver][$bits-1] = bcsub(bcpow(2, $max), bcpow(2, $max - ($bits-1)));
}
}
$m = $mask[$ver][$bits-1];
//printf("%s/%d: %s & %s == %s\n", $ip, $bits-1, BC::bcdecbin($m, 32), BC::bcdecbin($int, 32), BC::bcdecbin(BC::bcand($int, $m)));
//echo "$ip/", $bits-1, ": ", IP::inet_dtop($m), " ($m) & $int == ", BC::bcand($int, $m), "\n";
if (bccomp(BC::bcand($int, $m), $int) != 0) {
return $bits;
}
$bits--;
}
return $bits;
}
/**
* Return a contiguous list of true CIDR blocks that span the range given.
*
* Note: It's not a good idea to call this with IPv6 addresses. While it may
* work for certain ranges this can be very slow. Also an IPv6 list won't be
* as accurate as an IPv4 list.
*
* @example
* range_to_cidrlist(192.168.0.0, 192.168.0.15) ==
* 192.168.0.0/28
* range_to_cidrlist(192.168.0.0, 192.168.0.20) ==
* 192.168.0.0/28
* 192.168.0.16/30
* 192.168.0.20/32
*/
public static function range_to_cidrlist($start, $end)
{
$ver = (false === filter_var($start, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) ? 6 : 4;
$start = IP::inet_ptod($start);
$end = IP::inet_ptod($end);
$len = $ver == 4 ? 32 : 128;
$log2 = $ver == 4 ? log(2) : BC::bclog(2);
$list = array();
while (BC::cmp($end, $start) >= 0) { // $end >= $start
$prefix = self::max_prefix(IP::inet_dtop($start), $len);
if ($ver == 4) {
$diff = $len - floor( log($end - $start + 1) / $log2 );
} else {
// this is not as accurate due to the bclog function
$diff = bcsub($len, BC::bcfloor(bcdiv(BC::bclog(bcadd(bcsub($end, $start), '1')), $log2)));
}
if ($prefix < $diff) {
$prefix = $diff;
}
$list[] = IP::inet_dtop($start) . "/" . $prefix;
if ($ver == 4) {
$start += pow(2, $len - $prefix);
} else {
$start = bcadd($start, bcpow(2, $len - $prefix));
}
}
return $list;
}
/**
* Return an list of optimized CIDR blocks by collapsing adjacent CIDR
* blocks into larger blocks.
*
* @param array $cidrs List of CIDR block strings or objects
* @param integer $maxPrefix Maximum prefix to allow
* @return array Optimized list of CIDR objects
*/
public static function optimize_cidrlist($cidrs, $maxPrefix = 32)
{
// all indexes must be a CIDR object
$cidrs = array_map(function($o){ return $o instanceof CIDR ? $o : new CIDR($o); }, $cidrs);
// sort CIDR blocks in proper order so we can easily loop over them
$cidrs = self::cidr_sort($cidrs);
$list = array();
while ($cidrs) {
$c = array_shift($cidrs);
$start = $c->getStart();
$max = bcadd($c->getStart(true), $c->getTotal());
// loop through each cidr block until its ending range is more than
// the current maximum.
while (!empty($cidrs) and $cidrs[0]->getStart(true) <= $max) {
$b = array_shift($cidrs);
$newmax = bcadd($b->getStart(true), $b->getTotal());
if ($newmax > $max) {
$max = $newmax;
}
}
// add the new cidr range to the optimized list
$list = array_merge($list, self::range_to_cidrlist($start, IP::inet_dtop(bcsub($max, '1'))));
}
return $list;
}
/**
* Sort the list of CIDR blocks, optionally with a custom callback function.
*
* @param array $cidrs A list of CIDR blocks (strings or objects)
* @param Closure $callback Optional callback to perform the sorting.
* See PHP usort documentation for more details.
*/
public static function cidr_sort($cidrs, $callback = null)
{
// all indexes must be a CIDR object
$cidrs = array_map(function($o){ return $o instanceof CIDR ? $o : new CIDR($o); }, $cidrs);
if ($callback === null) {
$callback = function($a, $b) {
if (0 != ($o = BC::cmp($a->getStart(true), $b->getStart(true)))) {
return $o; // < or >
}
if ($a->getPrefix() == $b->getPrefix()) {
return 0;
}
return $a->getPrefix() < $b->getPrefix() ? -1 : 1;
};
} elseif (!($callback instanceof \Closure) or !is_callable($callback)) {
throw new \InvalidArgumentException("Invalid callback in CIDR::cidr_sort, expected Closure, got " . gettype($callback));
}
usort($cidrs, $callback);
return $cidrs;
}
/**
* Return the Prefix bits from the IPv4 mask given.
*
* This is only valid for IPv4 addresses since IPv6 addressing does not
* have a concept of network masks.
*
* Example: 255.255.255.0 == 24
*
* @param string $mask IPv4 network mask.
*/
public static function mask_to_prefix($mask)
{
if (false === filter_var($mask, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
throw new \InvalidArgumentException("Invalid IP netmask \"$mask\"");
}
return strrpos(IP::inet_ptob($mask, 32), '1') + 1;
}
/**
* Return the network mask for the prefix given.
*
* Normally this is only useful for IPv4 addresses but you can generate a
* mask for IPv6 addresses as well, only because its mathematically
* possible.
*
* @param integer $prefix CIDR prefix bits (0-128)
* @param integer $version IP version. If null the version will be detected
* based on the prefix length given.
*/
public static function prefix_to_mask($prefix, $version = null)
{
if ($version === null) {
$version = $prefix > 32 ? 6 : 4;
}
if ($prefix < 0 or $prefix > 128) {
throw new \InvalidArgumentException("Invalid prefix length \"$prefix\"");
}
if ($version != 4 and $version != 6) {
throw new \InvalidArgumentException("Invalid version \"$version\". Must be 4 or 6");
}
if ($version == 4) {
return long2ip($prefix == 0 ? 0 : (0xFFFFFFFF >> (32 - $prefix)) << (32 - $prefix));
} else {
return IP::inet_dtop($prefix == 0 ? 0 : BC::bcleft(BC::bcright(BC::MAX_UINT_128, 128-$prefix), 128-$prefix));
}
}
/**
* Return true if the $ip given is a true CIDR block.
*
* A true CIDR block is one where the $ip given is the actual Network
* address and broadcast matches the prefix appropriately.
*/
public static function cidr_is_true($ip)
{
$ip = new CIDR($ip);
return $ip->isTrueCidr();
}
}

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<?php
/**
* This file is part of the Lifo\IP PHP Library.
*
* (c) Jason Morriss <lifo2013@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Lifo\IP;
/**
* IP Address helper class.
*
* Provides routines to translate IPv4 and IPv6 addresses between human readable
* strings, decimal, hexidecimal and binary.
*
* Requires BCmath extension and IPv6 PHP support
*/
abstract class IP
{
/**
* Convert a human readable (presentational) IP address string into a decimal string.
*/
public static function inet_ptod($ip)
{
// shortcut for IPv4 addresses
if (strpos($ip, ':') === false && strpos($ip, '.') !== false) {
return sprintf('%u', ip2long($ip));
}
// remove any cidr block notation
if (($o = strpos($ip, '/')) !== false) {
$ip = substr($ip, 0, $o);
}
// unpack into 4 32bit integers
$parts = unpack('N*', inet_pton($ip));
foreach ($parts as &$part) {
if ($part < 0) {
// convert signed int into unsigned
$part = sprintf('%u', $part);
//$part = bcadd($part, '4294967296');
}
}
// add each 32bit integer to the proper bit location in our big decimal
$decimal = $parts[4]; // << 0
$decimal = bcadd($decimal, bcmul($parts[3], '4294967296')); // << 32
$decimal = bcadd($decimal, bcmul($parts[2], '18446744073709551616')); // << 64
$decimal = bcadd($decimal, bcmul($parts[1], '79228162514264337593543950336')); // << 96
return $decimal;
}
/**
* Convert a decimal string into a human readable IP address.
*/
public static function inet_dtop($decimal, $expand = false)
{
$parts = array();
$parts[1] = bcdiv($decimal, '79228162514264337593543950336', 0); // >> 96
$decimal = bcsub($decimal, bcmul($parts[1], '79228162514264337593543950336'));
$parts[2] = bcdiv($decimal, '18446744073709551616', 0); // >> 64
$decimal = bcsub($decimal, bcmul($parts[2], '18446744073709551616'));
$parts[3] = bcdiv($decimal, '4294967296', 0); // >> 32
$decimal = bcsub($decimal, bcmul($parts[3], '4294967296'));
$parts[4] = $decimal; // >> 0
foreach ($parts as &$part) {
if (bccomp($part, '2147483647') == 1) {
$part = bcsub($part, '4294967296');
}
$part = (int) $part;
}
// if the first 96bits is all zeros then we can safely assume we
// actually have an IPv4 address. Even though it's technically possible
// you're not really ever going to see an IPv6 address in the range:
// ::0 - ::ffff
// It's feasible to see an IPv6 address of "::", in which case the
// caller is going to have to account for that on their own.
if (($parts[1] | $parts[2] | $parts[3]) == 0) {
$ip = long2ip($parts[4]);
} else {
$packed = pack('N4', $parts[1], $parts[2], $parts[3], $parts[4]);
$ip = inet_ntop($packed);
}
// Turn IPv6 to IPv4 if it's IPv4
if (preg_match('/^::\d+\./', $ip)) {
return substr($ip, 2);
}
return $expand ? self::inet_expand($ip) : $ip;
}
/**
* Convert a human readable (presentational) IP address into a HEX string.
*/
public static function inet_ptoh($ip)
{
return bin2hex(inet_pton($ip));
//return BC::bcdechex(self::inet_ptod($ip));
}
/**
* Convert a human readable (presentational) IP address into a BINARY string.
*/
public static function inet_ptob($ip, $bits = 128)
{
return BC::bcdecbin(self::inet_ptod($ip), $bits);
}
/**
* Convert a binary string into an IP address (presentational) string.
*/
public static function inet_btop($bin)
{
return self::inet_dtop(BC::bcbindec($bin));
}
/**
* Convert a HEX string into a human readable (presentational) IP address
*/
public static function inet_htop($hex)
{
return self::inet_dtop(BC::bchexdec($hex));
}
/**
* Expand an IP address. IPv4 addresses are returned as-is.
*
* Example:
* 2001::1 expands to 2001:0000:0000:0000:0000:0000:0000:0001
* ::127.0.0.1 expands to 0000:0000:0000:0000:0000:0000:7f00:0001
* 127.0.0.1 expands to 127.0.0.1
*/
public static function inet_expand($ip)
{
// strip possible cidr notation off
if (($pos = strpos($ip, '/')) !== false) {
$ip = substr($ip, 0, $pos);
}
$bytes = unpack('n*', inet_pton($ip));
if (count($bytes) > 2) {
return implode(':', array_map(function ($b) {
return sprintf("%04x", $b);
}, $bytes));
}
return $ip;
}
/**
* Convert an IPv4 address into an IPv6 address.
*
* One use-case for this is IP 6to4 tunnels used in networking.
*
* @example
* to_ipv4("10.10.10.10") == a0a:a0a
*
* @param string $ip IPv4 address.
* @param boolean $mapped If true a Full IPv6 address is returned within the
* official ipv4to6 mapped space "0:0:0:0:0:ffff:x:x"
*/
public static function to_ipv6($ip, $mapped = false)
{
if (!self::isIPv4($ip)) {
throw new \InvalidArgumentException("Invalid IPv4 address \"$ip\"");
}
$num = IP::inet_ptod($ip);
$o1 = dechex($num >> 16);
$o2 = dechex($num & 0x0000FFFF);
return $mapped ? "0:0:0:0:0:ffff:$o1:$o2" : "$o1:$o2";
}
/**
* Returns true if the IP address is a valid IPv4 address
*/
public static function isIPv4($ip)
{
return $ip === filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4);
}
/**
* Returns true if the IP address is a valid IPv6 address
*/
public static function isIPv6($ip)
{
return $ip === filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6);
}
/**
* Compare two IP's (v4 or v6) and return -1, 0, 1 if the first is < = >
* the second.
*
* @param string $ip1 IP address
* @param string $ip2 IP address to compare against
* @return integer Return -1,0,1 depending if $ip1 is <=> $ip2
*/
public static function cmp($ip1, $ip2)
{
return bccomp(self::inet_ptod($ip1), self::inet_ptod($ip2), 0);
}
}

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<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Autoloads Twig classes.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Autoloader
{
/**
* Registers Twig_Autoloader as an SPL autoloader.
*
* @param Boolean $prepend Whether to prepend the autoloader or not.
*/
public static function register($prepend = false)
{
if (version_compare(phpversion(), '5.3.0', '>=')) {
spl_autoload_register(array(new self, 'autoload'), true, $prepend);
} else {
spl_autoload_register(array(new self, 'autoload'));
}
}
/**
* Handles autoloading of classes.
*
* @param string $class A class name.
*/
public static function autoload($class)
{
if (0 !== strpos($class, 'Twig')) {
return;
}
if (is_file($file = dirname(__FILE__).'/../'.str_replace(array('_', "\0"), array('/', ''), $class).'.php')) {
require $file;
}
}
}

268
inc/lib/Twig/Compiler.php
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<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Compiles a node to PHP code.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Compiler implements Twig_CompilerInterface
{
protected $lastLine;
protected $source;
protected $indentation;
protected $env;
protected $debugInfo;
protected $sourceOffset;
protected $sourceLine;
protected $filename;
/**
* Constructor.
*
* @param Twig_Environment $env The twig environment instance
*/
public function __construct(Twig_Environment $env)
{
$this->env = $env;
$this->debugInfo = array();
}
public function getFilename()
{
return $this->filename;
}
/**
* Returns the environment instance related to this compiler.
*
* @return Twig_Environment The environment instance
*/
public function getEnvironment()
{
return $this->env;
}
/**
* Gets the current PHP code after compilation.
*
* @return string The PHP code
*/
public function getSource()
{
return $this->source;
}
/**
* Compiles a node.
*
* @param Twig_NodeInterface $node The node to compile
* @param integer $indentation The current indentation
*
* @return Twig_Compiler The current compiler instance
*/
public function compile(Twig_NodeInterface $node, $indentation = 0)
{
$this->lastLine = null;
$this->source = '';
$this->sourceOffset = 0;
// source code starts at 1 (as we then increment it when we encounter new lines)
$this->sourceLine = 1;
$this->indentation = $indentation;
if ($node instanceof Twig_Node_Module) {
$this->filename = $node->getAttribute('filename');
}
$node->compile($this);
return $this;
}
public function subcompile(Twig_NodeInterface $node, $raw = true)
{
if (false === $raw) {
$this->addIndentation();
}
$node->compile($this);
return $this;
}
/**
* Adds a raw string to the compiled code.
*
* @param string $string The string
*
* @return Twig_Compiler The current compiler instance
*/
public function raw($string)
{
$this->source .= $string;
return $this;
}
/**
* Writes a string to the compiled code by adding indentation.
*
* @return Twig_Compiler The current compiler instance
*/
public function write()
{
$strings = func_get_args();
foreach ($strings as $string) {
$this->addIndentation();
$this->source .= $string;
}
return $this;
}
/**
* Appends an indentation to the current PHP code after compilation.
*
* @return Twig_Compiler The current compiler instance
*/
public function addIndentation()
{
$this->source .= str_repeat(' ', $this->indentation * 4);
return $this;
}
/**
* Adds a quoted string to the compiled code.
*
* @param string $value The string
*
* @return Twig_Compiler The current compiler instance
*/
public function string($value)
{
$this->source .= sprintf('"%s"', addcslashes($value, "\0\t\"\$\\"));
return $this;
}
/**
* Returns a PHP representation of a given value.
*
* @param mixed $value The value to convert
*
* @return Twig_Compiler The current compiler instance
*/
public function repr($value)
{
if (is_int($value) || is_float($value)) {
if (false !== $locale = setlocale(LC_NUMERIC, 0)) {
setlocale(LC_NUMERIC, 'C');
}
$this->raw($value);
if (false !== $locale) {
setlocale(LC_NUMERIC, $locale);
}
} elseif (null === $value) {
$this->raw('null');
} elseif (is_bool($value)) {
$this->raw($value ? 'true' : 'false');
} elseif (is_array($value)) {
$this->raw('array(');
$first = true;
foreach ($value as $key => $value) {
if (!$first) {
$this->raw(', ');
}
$first = false;
$this->repr($key);
$this->raw(' => ');
$this->repr($value);
}
$this->raw(')');
} else {
$this->string($value);
}
return $this;
}
/**
* Adds debugging information.
*
* @param Twig_NodeInterface $node The related twig node
*
* @return Twig_Compiler The current compiler instance
*/
public function addDebugInfo(Twig_NodeInterface $node)
{
if ($node->getLine() != $this->lastLine) {
$this->write("// line {$node->getLine()}\n");
// when mbstring.func_overload is set to 2
// mb_substr_count() replaces substr_count()
// but they have different signatures!
if (((int) ini_get('mbstring.func_overload')) & 2) {
// this is much slower than the "right" version
$this->sourceLine += mb_substr_count(mb_substr($this->source, $this->sourceOffset), "\n");
} else {
$this->sourceLine += substr_count($this->source, "\n", $this->sourceOffset);
}
$this->sourceOffset = strlen($this->source);
$this->debugInfo[$this->sourceLine] = $node->getLine();
$this->lastLine = $node->getLine();
}
return $this;
}
public function getDebugInfo()
{
return $this->debugInfo;
}
/**
* Indents the generated code.
*
* @param integer $step The number of indentation to add
*
* @return Twig_Compiler The current compiler instance
*/
public function indent($step = 1)
{
$this->indentation += $step;
return $this;
}
/**
* Outdents the generated code.
*
* @param integer $step The number of indentation to remove
*
* @return Twig_Compiler The current compiler instance
*/
public function outdent($step = 1)
{
// can't outdent by more steps than the current indentation level
if ($this->indentation < $step) {
throw new LogicException('Unable to call outdent() as the indentation would become negative');
}
$this->indentation -= $step;
return $this;
}
}

35
inc/lib/Twig/CompilerInterface.php
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<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Interface implemented by compiler classes.
*
* @author Fabien Potencier <fabien@symfony.com>
* @deprecated since 1.12 (to be removed in 2.0)
*/
interface Twig_CompilerInterface
{
/**
* Compiles a node.
*
* @param Twig_NodeInterface $node The node to compile
*
* @return Twig_CompilerInterface The current compiler instance
*/
public function compile(Twig_NodeInterface $node);
/**
* Gets the current PHP code after compilation.
*
* @return string The PHP code
*/
public function getSource();
}

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inc/lib/Twig/Error.php
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<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Twig base exception.
*
* This exception class and its children must only be used when
* an error occurs during the loading of a template, when a syntax error
* is detected in a template, or when rendering a template. Other
* errors must use regular PHP exception classes (like when the template
* cache directory is not writable for instance).
*
* To help debugging template issues, this class tracks the original template
* name and line where the error occurred.
*
* Whenever possible, you must set these information (original template name
* and line number) yourself by passing them to the constructor. If some or all
* these information are not available from where you throw the exception, then
* this class will guess them automatically (when the line number is set to -1
* and/or the filename is set to null). As this is a costly operation, this
* can be disabled by passing false for both the filename and the line number
* when creating a new instance of this class.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Error extends Exception
{
protected $lineno;
protected $filename;
protected $rawMessage;
protected $previous;
/**
* Constructor.
*
* Set both the line number and the filename to false to
* disable automatic guessing of the original template name
* and line number.
*
* Set the line number to -1 to enable its automatic guessing.
* Set the filename to null to enable its automatic guessing.
*
* By default, automatic guessing is enabled.
*
* @param string $message The error message
* @param integer $lineno The template line where the error occurred
* @param string $filename The template file name where the error occurred
* @param Exception $previous The previous exception
*/
public function __construct($message, $lineno = -1, $filename = null, Exception $previous = null)
{
if (version_compare(PHP_VERSION, '5.3.0', '<')) {
$this->previous = $previous;
parent::__construct('');
} else {
parent::__construct('', 0, $previous);
}
$this->lineno = $lineno;
$this->filename = $filename;
if (-1 === $this->lineno || null === $this->filename) {
$this->guessTemplateInfo();
}
$this->rawMessage = $message;
$this->updateRepr();
}
/**
* Gets the raw message.
*
* @return string The raw message
*/
public function getRawMessage()
{
return $this->rawMessage;
}
/**
* Gets the filename where the error occurred.
*
* @return string The filename
*/
public function getTemplateFile()
{
return $this->filename;
}
/**
* Sets the filename where the error occurred.
*
* @param string $filename The filename
*/
public function setTemplateFile($filename)
{
$this->filename = $filename;
$this->updateRepr();
}
/**
* Gets the template line where the error occurred.
*
* @return integer The template line
*/
public function getTemplateLine()
{
return $this->lineno;
}
/**
* Sets the template line where the error occurred.
*
* @param integer $lineno The template line
*/
public function setTemplateLine($lineno)
{
$this->lineno = $lineno;
$this->updateRepr();
}
public function guess()
{
$this->guessTemplateInfo();
$this->updateRepr();
}
/**
* For PHP < 5.3.0, provides access to the getPrevious() method.
*
* @param string $method The method name
* @param array $arguments The parameters to be passed to the method
*
* @return Exception The previous exception or null
*
* @throws BadMethodCallException
*/
public function __call($method, $arguments)
{
if ('getprevious' == strtolower($method)) {
return $this->previous;
}
throw new BadMethodCallException(sprintf('Method "Twig_Error::%s()" does not exist.', $method));
}
protected function updateRepr()
{
$this->message = $this->rawMessage;
$dot = false;
if ('.' === substr($this->message, -1)) {
$this->message = substr($this->message, 0, -1);
$dot = true;
}
if ($this->filename) {
if (is_string($this->filename) || (is_object($this->filename) && method_exists($this->filename, '__toString'))) {
$filename = sprintf('"%s"', $this->filename);
} else {
$filename = json_encode($this->filename);
}
$this->message .= sprintf(' in %s', $filename);
}
if ($this->lineno && $this->lineno >= 0) {
$this->message .= sprintf(' at line %d', $this->lineno);
}
if ($dot) {
$this->message .= '.';
}
}
protected function guessTemplateInfo()
{
$template = null;
$templateClass = null;
if (version_compare(phpversion(), '5.3.6', '>=')) {
$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS | DEBUG_BACKTRACE_PROVIDE_OBJECT);
} else {
$backtrace = debug_backtrace();
}
foreach ($backtrace as $trace) {
if (isset($trace['object']) && $trace['object'] instanceof Twig_Template && 'Twig_Template' !== get_class($trace['object'])) {
$currentClass = get_class($trace['object']);
$isEmbedContainer = 0 === strpos($templateClass, $currentClass);
if (null === $this->filename || ($this->filename == $trace['object']->getTemplateName() && !$isEmbedContainer)) {
$template = $trace['object'];
$templateClass = get_class($trace['object']);
}
}
}
// update template filename
if (null !== $template && null === $this->filename) {
$this->filename = $template->getTemplateName();
}
if (null === $template || $this->lineno > -1) {
return;
}
$r = new ReflectionObject($template);
$file = $r->getFileName();
$exceptions = array($e = $this);
while (($e instanceof self || method_exists($e, 'getPrevious')) && $e = $e->getPrevious()) {
$exceptions[] = $e;
}
while ($e = array_pop($exceptions)) {
$traces = $e->getTrace();
while ($trace = array_shift($traces)) {
if (!isset($trace['file']) || !isset($trace['line']) || $file != $trace['file']) {
continue;
}
foreach ($template->getDebugInfo() as $codeLine => $templateLine) {
if ($codeLine <= $trace['line']) {
// update template line
$this->lineno = $templateLine;
return;
}
}
}
}
}
}

31
inc/lib/Twig/Error/Loader.php
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<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Exception thrown when an error occurs during template loading.
*
* Automatic template information guessing is always turned off as
* if a template cannot be loaded, there is nothing to guess.
* However, when a template is loaded from another one, then, we need
* to find the current context and this is automatically done by
* Twig_Template::displayWithErrorHandling().
*
* This strategy makes Twig_Environment::resolveTemplate() much faster.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Error_Loader extends Twig_Error
{
public function __construct($message, $lineno = -1, $filename = null, Exception $previous = null)
{
parent::__construct($message, false, false, $previous);
}
}

20
inc/lib/Twig/Error/Runtime.php
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@ -1,20 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Exception thrown when an error occurs at runtime.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Error_Runtime extends Twig_Error
{
}

20
inc/lib/Twig/Error/Syntax.php
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@ -1,20 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Exception thrown when a syntax error occurs during lexing or parsing of a template.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Error_Syntax extends Twig_Error
{
}

28
inc/lib/Twig/ExistsLoaderInterface.php
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<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Adds an exists() method for loaders.
*
* @author Florin Patan <florinpatan@gmail.com>
* @deprecated since 1.12 (to be removed in 2.0)
*/
interface Twig_ExistsLoaderInterface
{
/**
* Check if we have the source code of a template, given its name.
*
* @param string $name The name of the template to check if we can load
*
* @return boolean If the template source code is handled by this loader or not
*/
public function exists($name);
}

611
inc/lib/Twig/ExpressionParser.php
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@ -1,611 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Parses expressions.
*
* This parser implements a "Precedence climbing" algorithm.
*
* @see http://www.engr.mun.ca/~theo/Misc/exp_parsing.htm
* @see http://en.wikipedia.org/wiki/Operator-precedence_parser
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_ExpressionParser
{
const OPERATOR_LEFT = 1;
const OPERATOR_RIGHT = 2;
protected $parser;
protected $unaryOperators;
protected $binaryOperators;
public function __construct(Twig_Parser $parser, array $unaryOperators, array $binaryOperators)
{
$this->parser = $parser;
$this->unaryOperators = $unaryOperators;
$this->binaryOperators = $binaryOperators;
}
public function parseExpression($precedence = 0)
{
$expr = $this->getPrimary();
$token = $this->parser->getCurrentToken();
while ($this->isBinary($token) && $this->binaryOperators[$token->getValue()]['precedence'] >= $precedence) {
$op = $this->binaryOperators[$token->getValue()];
$this->parser->getStream()->next();
if (isset($op['callable'])) {
$expr = call_user_func($op['callable'], $this->parser, $expr);
} else {
$expr1 = $this->parseExpression(self::OPERATOR_LEFT === $op['associativity'] ? $op['precedence'] + 1 : $op['precedence']);
$class = $op['class'];
$expr = new $class($expr, $expr1, $token->getLine());
}
$token = $this->parser->getCurrentToken();
}
if (0 === $precedence) {
return $this->parseConditionalExpression($expr);
}
return $expr;
}
protected function getPrimary()
{
$token = $this->parser->getCurrentToken();
if ($this->isUnary($token)) {
$operator = $this->unaryOperators[$token->getValue()];
$this->parser->getStream()->next();
$expr = $this->parseExpression($operator['precedence']);
$class = $operator['class'];
return $this->parsePostfixExpression(new $class($expr, $token->getLine()));
} elseif ($token->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
$this->parser->getStream()->next();
$expr = $this->parseExpression();
$this->parser->getStream()->expect(Twig_Token::PUNCTUATION_TYPE, ')', 'An opened parenthesis is not properly closed');
return $this->parsePostfixExpression($expr);
}
return $this->parsePrimaryExpression();
}
protected function parseConditionalExpression($expr)
{
while ($this->parser->getStream()->test(Twig_Token::PUNCTUATION_TYPE, '?')) {
$this->parser->getStream()->next();
if (!$this->parser->getStream()->test(Twig_Token::PUNCTUATION_TYPE, ':')) {
$expr2 = $this->parseExpression();
if ($this->parser->getStream()->test(Twig_Token::PUNCTUATION_TYPE, ':')) {
$this->parser->getStream()->next();
$expr3 = $this->parseExpression();
} else {
$expr3 = new Twig_Node_Expression_Constant('', $this->parser->getCurrentToken()->getLine());
}
} else {
$this->parser->getStream()->next();
$expr2 = $expr;
$expr3 = $this->parseExpression();
}
$expr = new Twig_Node_Expression_Conditional($expr, $expr2, $expr3, $this->parser->getCurrentToken()->getLine());
}
return $expr;
}
protected function isUnary(Twig_Token $token)
{
return $token->test(Twig_Token::OPERATOR_TYPE) && isset($this->unaryOperators[$token->getValue()]);
}
protected function isBinary(Twig_Token $token)
{
return $token->test(Twig_Token::OPERATOR_TYPE) && isset($this->binaryOperators[$token->getValue()]);
}
public function parsePrimaryExpression()
{
$token = $this->parser->getCurrentToken();
switch ($token->getType()) {
case Twig_Token::NAME_TYPE:
$this->parser->getStream()->next();
switch ($token->getValue()) {
case 'true':
case 'TRUE':
$node = new Twig_Node_Expression_Constant(true, $token->getLine());
break;
case 'false':
case 'FALSE':
$node = new Twig_Node_Expression_Constant(false, $token->getLine());
break;
case 'none':
case 'NONE':
case 'null':
case 'NULL':
$node = new Twig_Node_Expression_Constant(null, $token->getLine());
break;
default:
if ('(' === $this->parser->getCurrentToken()->getValue()) {
$node = $this->getFunctionNode($token->getValue(), $token->getLine());
} else {
$node = new Twig_Node_Expression_Name($token->getValue(), $token->getLine());
}
}
break;
case Twig_Token::NUMBER_TYPE:
$this->parser->getStream()->next();
$node = new Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
break;
case Twig_Token::STRING_TYPE:
case Twig_Token::INTERPOLATION_START_TYPE:
$node = $this->parseStringExpression();
break;
default:
if ($token->test(Twig_Token::PUNCTUATION_TYPE, '[')) {
$node = $this->parseArrayExpression();
} elseif ($token->test(Twig_Token::PUNCTUATION_TYPE, '{')) {
$node = $this->parseHashExpression();
} else {
throw new Twig_Error_Syntax(sprintf('Unexpected token "%s" of value "%s"', Twig_Token::typeToEnglish($token->getType(), $token->getLine()), $token->getValue()), $token->getLine(), $this->parser->getFilename());
}
}
return $this->parsePostfixExpression($node);
}
public function parseStringExpression()
{
$stream = $this->parser->getStream();
$nodes = array();
// a string cannot be followed by another string in a single expression
$nextCanBeString = true;
while (true) {
if ($stream->test(Twig_Token::STRING_TYPE) && $nextCanBeString) {
$token = $stream->next();
$nodes[] = new Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
$nextCanBeString = false;
} elseif ($stream->test(Twig_Token::INTERPOLATION_START_TYPE)) {
$stream->next();
$nodes[] = $this->parseExpression();
$stream->expect(Twig_Token::INTERPOLATION_END_TYPE);
$nextCanBeString = true;
} else {
break;
}
}
$expr = array_shift($nodes);
foreach ($nodes as $node) {
$expr = new Twig_Node_Expression_Binary_Concat($expr, $node, $node->getLine());
}
return $expr;
}
public function parseArrayExpression()
{
$stream = $this->parser->getStream();
$stream->expect(Twig_Token::PUNCTUATION_TYPE, '[', 'An array element was expected');
$node = new Twig_Node_Expression_Array(array(), $stream->getCurrent()->getLine());
$first = true;
while (!$stream->test(Twig_Token::PUNCTUATION_TYPE, ']')) {
if (!$first) {
$stream->expect(Twig_Token::PUNCTUATION_TYPE, ',', 'An array element must be followed by a comma');
// trailing ,?
if ($stream->test(Twig_Token::PUNCTUATION_TYPE, ']')) {
break;
}
}
$first = false;
$node->addElement($this->parseExpression());
}
$stream->expect(Twig_Token::PUNCTUATION_TYPE, ']', 'An opened array is not properly closed');
return $node;
}
public function parseHashExpression()
{
$stream = $this->parser->getStream();
$stream->expect(Twig_Token::PUNCTUATION_TYPE, '{', 'A hash element was expected');
$node = new Twig_Node_Expression_Array(array(), $stream->getCurrent()->getLine());
$first = true;
while (!$stream->test(Twig_Token::PUNCTUATION_TYPE, '}')) {
if (!$first) {
$stream->expect(Twig_Token::PUNCTUATION_TYPE, ',', 'A hash value must be followed by a comma');
// trailing ,?
if ($stream->test(Twig_Token::PUNCTUATION_TYPE, '}')) {
break;
}
}
$first = false;
// a hash key can be:
//
// * a number -- 12
// * a string -- 'a'
// * a name, which is equivalent to a string -- a
// * an expression, which must be enclosed in parentheses -- (1 + 2)
if ($stream->test(Twig_Token::STRING_TYPE) || $stream->test(Twig_Token::NAME_TYPE) || $stream->test(Twig_Token::NUMBER_TYPE)) {
$token = $stream->next();
$key = new Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
} elseif ($stream->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
$key = $this->parseExpression();
} else {
$current = $stream->getCurrent();
throw new Twig_Error_Syntax(sprintf('A hash key must be a quoted string, a number, a name, or an expression enclosed in parentheses (unexpected token "%s" of value "%s"', Twig_Token::typeToEnglish($current->getType(), $current->getLine()), $current->getValue()), $current->getLine(), $this->parser->getFilename());
}
$stream->expect(Twig_Token::PUNCTUATION_TYPE, ':', 'A hash key must be followed by a colon (:)');
$value = $this->parseExpression();
$node->addElement($value, $key);
}
$stream->expect(Twig_Token::PUNCTUATION_TYPE, '}', 'An opened hash is not properly closed');
return $node;
}
public function parsePostfixExpression($node)
{
while (true) {
$token = $this->parser->getCurrentToken();
if ($token->getType() == Twig_Token::PUNCTUATION_TYPE) {
if ('.' == $token->getValue() || '[' == $token->getValue()) {
$node = $this->parseSubscriptExpression($node);
} elseif ('|' == $token->getValue()) {
$node = $this->parseFilterExpression($node);
} else {
break;
}
} else {
break;
}
}
return $node;
}
public function getFunctionNode($name, $line)
{
switch ($name) {
case 'parent':
$args = $this->parseArguments();
if (!count($this->parser->getBlockStack())) {
throw new Twig_Error_Syntax('Calling "parent" outside a block is forbidden', $line, $this->parser->getFilename());
}
if (!$this->parser->getParent() && !$this->parser->hasTraits()) {
throw new Twig_Error_Syntax('Calling "parent" on a template that does not extend nor "use" another template is forbidden', $line, $this->parser->getFilename());
}
return new Twig_Node_Expression_Parent($this->parser->peekBlockStack(), $line);
case 'block':
return new Twig_Node_Expression_BlockReference($this->parseArguments()->getNode(0), false, $line);
case 'attribute':
$args = $this->parseArguments();
if (count($args) < 2) {
throw new Twig_Error_Syntax('The "attribute" function takes at least two arguments (the variable and the attributes)', $line, $this->parser->getFilename());
}
return new Twig_Node_Expression_GetAttr($args->getNode(0), $args->getNode(1), count($args) > 2 ? $args->getNode(2) : new Twig_Node_Expression_Array(array(), $line), Twig_Template::ANY_CALL, $line);
default:
$args = $this->parseArguments(true);
if (null !== $alias = $this->parser->getImportedSymbol('macro', $name)) {
return new Twig_Node_Expression_MacroCall($alias['node'], $alias['name'], $this->createArrayFromArguments($args), $line);
}
try {
$class = $this->getFunctionNodeClass($name, $line);
} catch (Twig_Error_Syntax $e) {
if (!$this->parser->hasMacro($name)) {
throw $e;
}
return new Twig_Node_Expression_MacroCall(new Twig_Node_Expression_Name('_self', $line), $name, $this->createArrayFromArguments($args), $line);
}
return new $class($name, $args, $line);
}
}
public function parseSubscriptExpression($node)
{
$stream = $this->parser->getStream();
$token = $stream->next();
$lineno = $token->getLine();
$arguments = new Twig_Node_Expression_Array(array(), $lineno);
$type = Twig_Template::ANY_CALL;
if ($token->getValue() == '.') {
$token = $stream->next();
if (
$token->getType() == Twig_Token::NAME_TYPE
||
$token->getType() == Twig_Token::NUMBER_TYPE
||
($token->getType() == Twig_Token::OPERATOR_TYPE && preg_match(Twig_Lexer::REGEX_NAME, $token->getValue()))
) {
$arg = new Twig_Node_Expression_Constant($token->getValue(), $lineno);
} else {
throw new Twig_Error_Syntax('Expected name or number', $lineno, $this->parser->getFilename());
}
if ($node instanceof Twig_Node_Expression_Name && null !== $this->parser->getImportedSymbol('template', $node->getAttribute('name'))) {
if (!$arg instanceof Twig_Node_Expression_Constant) {
throw new Twig_Error_Syntax(sprintf('Dynamic macro names are not supported (called on "%s")', $node->getAttribute('name')), $token->getLine(), $this->parser->getFilename());
}
$arguments = $this->createArrayFromArguments($this->parseArguments(true));
return new Twig_Node_Expression_MacroCall($node, $arg->getAttribute('value'), $arguments, $lineno);
}
if ($stream->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
$type = Twig_Template::METHOD_CALL;
$arguments = $this->createArrayFromArguments($this->parseArguments());
}
} else {
$type = Twig_Template::ARRAY_CALL;
// slice?
$slice = false;
if ($stream->test(Twig_Token::PUNCTUATION_TYPE, ':')) {
$slice = true;
$arg = new Twig_Node_Expression_Constant(0, $token->getLine());
} else {
$arg = $this->parseExpression();
}
if ($stream->test(Twig_Token::PUNCTUATION_TYPE, ':')) {
$slice = true;
$stream->next();
}
if ($slice) {
if ($stream->test(Twig_Token::PUNCTUATION_TYPE, ']')) {
$length = new Twig_Node_Expression_Constant(null, $token->getLine());
} else {
$length = $this->parseExpression();
}
$class = $this->getFilterNodeClass('slice', $token->getLine());
$arguments = new Twig_Node(array($arg, $length));
$filter = new $class($node, new Twig_Node_Expression_Constant('slice', $token->getLine()), $arguments, $token->getLine());
$stream->expect(Twig_Token::PUNCTUATION_TYPE, ']');
return $filter;
}
$stream->expect(Twig_Token::PUNCTUATION_TYPE, ']');
}
return new Twig_Node_Expression_GetAttr($node, $arg, $arguments, $type, $lineno);
}
public function parseFilterExpression($node)
{
$this->parser->getStream()->next();
return $this->parseFilterExpressionRaw($node);
}
public function parseFilterExpressionRaw($node, $tag = null)
{
while (true) {
$token = $this->parser->getStream()->expect(Twig_Token::NAME_TYPE);
$name = new Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
if (!$this->parser->getStream()->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
$arguments = new Twig_Node();
} else {
$arguments = $this->parseArguments(true);
}
$class = $this->getFilterNodeClass($name->getAttribute('value'), $token->getLine());
$node = new $class($node, $name, $arguments, $token->getLine(), $tag);
if (!$this->parser->getStream()->test(Twig_Token::PUNCTUATION_TYPE, '|')) {
break;
}
$this->parser->getStream()->next();
}
return $node;
}
/**
* Parses arguments.
*
* @param Boolean $namedArguments Whether to allow named arguments or not
* @param Boolean $definition Whether we are parsing arguments for a function definition
*
* @return Twig_Node
*/
public function parseArguments($namedArguments = false, $definition = false)
{
$args = array();
$stream = $this->parser->getStream();
$stream->expect(Twig_Token::PUNCTUATION_TYPE, '(', 'A list of arguments must begin with an opening parenthesis');
while (!$stream->test(Twig_Token::PUNCTUATION_TYPE, ')')) {
if (!empty($args)) {
$stream->expect(Twig_Token::PUNCTUATION_TYPE, ',', 'Arguments must be separated by a comma');
}
if ($definition) {
$token = $stream->expect(Twig_Token::NAME_TYPE, null, 'An argument must be a name');
$value = new Twig_Node_Expression_Name($token->getValue(), $this->parser->getCurrentToken()->getLine());
} else {
$value = $this->parseExpression();
}
$name = null;
if ($namedArguments && $stream->test(Twig_Token::OPERATOR_TYPE, '=')) {
$token = $stream->next();
if (!$value instanceof Twig_Node_Expression_Name) {
throw new Twig_Error_Syntax(sprintf('A parameter name must be a string, "%s" given', get_class($value)), $token->getLine(), $this->parser->getFilename());
}
$name = $value->getAttribute('name');
if ($definition) {
$value = $this->parsePrimaryExpression();
if (!$this->checkConstantExpression($value)) {
throw new Twig_Error_Syntax('A default value for an argument must be a constant (a boolean, a string, a number, or an array).', $token->getLine(), $this->parser->getFilename());
}
} else {
$value = $this->parseExpression();
}
}
if ($definition && null === $name) {
$name = $value->getAttribute('name');
$value = new Twig_Node_Expression_Constant(null, $this->parser->getCurrentToken()->getLine());
}
if (null === $name) {
$args[] = $value;
} else {
if ($definition && isset($args[$name])) {
throw new Twig_Error_Syntax(sprintf('Arguments cannot contain the same argument name more than once ("%s" is defined twice).', $name), $token->getLine(), $this->parser->getFilename());
}
$args[$name] = $value;
}
}
$stream->expect(Twig_Token::PUNCTUATION_TYPE, ')', 'A list of arguments must be closed by a parenthesis');
return new Twig_Node($args);
}
public function parseAssignmentExpression()
{
$targets = array();
while (true) {
$token = $this->parser->getStream()->expect(Twig_Token::NAME_TYPE, null, 'Only variables can be assigned to');
if (in_array($token->getValue(), array('true', 'false', 'none'))) {
throw new Twig_Error_Syntax(sprintf('You cannot assign a value to "%s"', $token->getValue()), $token->getLine(), $this->parser->getFilename());
}
$targets[] = new Twig_Node_Expression_AssignName($token->getValue(), $token->getLine());
if (!$this->parser->getStream()->test(Twig_Token::PUNCTUATION_TYPE, ',')) {
break;
}
$this->parser->getStream()->next();
}
return new Twig_Node($targets);
}
public function parseMultitargetExpression()
{
$targets = array();
while (true) {
$targets[] = $this->parseExpression();
if (!$this->parser->getStream()->test(Twig_Token::PUNCTUATION_TYPE, ',')) {
break;
}
$this->parser->getStream()->next();
}
return new Twig_Node($targets);
}
protected function getFunctionNodeClass($name, $line)
{
$env = $this->parser->getEnvironment();
if (false === $function = $env->getFunction($name)) {
$message = sprintf('The function "%s" does not exist', $name);
if ($alternatives = $env->computeAlternatives($name, array_keys($env->getFunctions()))) {
$message = sprintf('%s. Did you mean "%s"', $message, implode('", "', $alternatives));
}
throw new Twig_Error_Syntax($message, $line, $this->parser->getFilename());
}
if ($function instanceof Twig_SimpleFunction) {
return $function->getNodeClass();
}
return $function instanceof Twig_Function_Node ? $function->getClass() : 'Twig_Node_Expression_Function';
}
protected function getFilterNodeClass($name, $line)
{
$env = $this->parser->getEnvironment();
if (false === $filter = $env->getFilter($name)) {
$message = sprintf('The filter "%s" does not exist', $name);
if ($alternatives = $env->computeAlternatives($name, array_keys($env->getFilters()))) {
$message = sprintf('%s. Did you mean "%s"', $message, implode('", "', $alternatives));
}
throw new Twig_Error_Syntax($message, $line, $this->parser->getFilename());
}
if ($filter instanceof Twig_SimpleFilter) {
return $filter->getNodeClass();
}
return $filter instanceof Twig_Filter_Node ? $filter->getClass() : 'Twig_Node_Expression_Filter';
}
// checks that the node only contains "constant" elements
protected function checkConstantExpression(Twig_NodeInterface $node)
{
if (!($node instanceof Twig_Node_Expression_Constant || $node instanceof Twig_Node_Expression_Array)) {
return false;
}
foreach ($node as $n) {
if (!$this->checkConstantExpression($n)) {
return false;
}
}
return true;
}
private function createArrayFromArguments(Twig_Node $arguments, $line = null)
{
$line = null === $line ? $arguments->getLine() : $line;
$array = new Twig_Node_Expression_Array(array(), $line);
foreach ($arguments as $key => $value) {
$array->addElement($value, new Twig_Node_Expression_Constant($key, $value->getLine()));
}
return $array;
}
}

93
inc/lib/Twig/Extension.php
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@ -1,93 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
abstract class Twig_Extension implements Twig_ExtensionInterface
{
/**
* Initializes the runtime environment.
*
* This is where you can load some file that contains filter functions for instance.
*
* @param Twig_Environment $environment The current Twig_Environment instance
*/
public function initRuntime(Twig_Environment $environment)
{
}
/**
* Returns the token parser instances to add to the existing list.
*
* @return array An array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances
*/
public function getTokenParsers()
{
return array();
}
/**
* Returns the node visitor instances to add to the existing list.
*
* @return array An array of Twig_NodeVisitorInterface instances
*/
public function getNodeVisitors()
{
return array();
}
/**
* Returns a list of filters to add to the existing list.
*
* @return array An array of filters
*/
public function getFilters()
{
return array();
}
/**
* Returns a list of tests to add to the existing list.
*
* @return array An array of tests
*/
public function getTests()
{
return array();
}
/**
* Returns a list of functions to add to the existing list.
*
* @return array An array of functions
*/
public function getFunctions()
{
return array();
}
/**
* Returns a list of operators to add to the existing list.
*
* @return array An array of operators
*/
public function getOperators()
{
return array();
}
/**
* Returns a list of global variables to add to the existing list.
*
* @return array An array of global variables
*/
public function getGlobals()
{
return array();
}
}

1357
inc/lib/Twig/Extension/Core.php
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71
inc/lib/Twig/Extension/Debug.php
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<?php
/*
* This file is part of Twig.
*
* (c) 2011 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Extension_Debug extends Twig_Extension
{
/**
* Returns a list of global functions to add to the existing list.
*
* @return array An array of global functions
*/
public function getFunctions()
{
// dump is safe if var_dump is overridden by xdebug
$isDumpOutputHtmlSafe = extension_loaded('xdebug')
// false means that it was not set (and the default is on) or it explicitly enabled
&& (false === ini_get('xdebug.overload_var_dump') || ini_get('xdebug.overload_var_dump'))
// false means that it was not set (and the default is on) or it explicitly enabled
// xdebug.overload_var_dump produces HTML only when html_errors is also enabled
&& (false === ini_get('html_errors') || ini_get('html_errors'))
|| 'cli' === php_sapi_name()
;
return array(
new Twig_SimpleFunction('dump', 'twig_var_dump', array('is_safe' => $isDumpOutputHtmlSafe ? array('html') : array(), 'needs_context' => true, 'needs_environment' => true)),
);
}
/**
* Returns the name of the extension.
*
* @return string The extension name
*/
public function getName()
{
return 'debug';
}
}
function twig_var_dump(Twig_Environment $env, $context)
{
if (!$env->isDebug()) {
return;
}
ob_start();
$count = func_num_args();
if (2 === $count) {
$vars = array();
foreach ($context as $key => $value) {
if (!$value instanceof Twig_Template) {
$vars[$key] = $value;
}
}
var_dump($vars);
} else {
for ($i = 2; $i < $count; $i++) {
var_dump(func_get_arg($i));
}
}
return ob_get_clean();
}

107
inc/lib/Twig/Extension/Escaper.php
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@ -1,107 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Extension_Escaper extends Twig_Extension
{
protected $defaultStrategy;
public function __construct($defaultStrategy = 'html')
{
$this->setDefaultStrategy($defaultStrategy);
}
/**
* Returns the token parser instances to add to the existing list.
*
* @return array An array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances
*/
public function getTokenParsers()
{
return array(new Twig_TokenParser_AutoEscape());
}
/**
* Returns the node visitor instances to add to the existing list.
*
* @return array An array of Twig_NodeVisitorInterface instances
*/
public function getNodeVisitors()
{
return array(new Twig_NodeVisitor_Escaper());
}
/**
* Returns a list of filters to add to the existing list.
*
* @return array An array of filters
*/
public function getFilters()
{
return array(
new Twig_SimpleFilter('raw', 'twig_raw_filter', array('is_safe' => array('all'))),
);
}
/**
* Sets the default strategy to use when not defined by the user.
*
* The strategy can be a valid PHP callback that takes the template
* "filename" as an argument and returns the strategy to use.
*
* @param mixed $defaultStrategy An escaping strategy
*/
public function setDefaultStrategy($defaultStrategy)
{
// for BC
if (true === $defaultStrategy) {
$defaultStrategy = 'html';
}
$this->defaultStrategy = $defaultStrategy;
}
/**
* Gets the default strategy to use when not defined by the user.
*
* @param string $filename The template "filename"
*
* @return string The default strategy to use for the template
*/
public function getDefaultStrategy($filename)
{
// disable string callables to avoid calling a function named html or js,
// or any other upcoming escaping strategy
if (!is_string($this->defaultStrategy) && is_callable($this->defaultStrategy)) {
return call_user_func($this->defaultStrategy, $filename);
}
return $this->defaultStrategy;
}
/**
* Returns the name of the extension.
*
* @return string The extension name
*/
public function getName()
{
return 'escaper';
}
}
/**
* Marks a variable as being safe.
*
* @param string $string A PHP variable
*/
function twig_raw_filter($string)
{
return $string;
}

35
inc/lib/Twig/Extension/Optimizer.php
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@ -1,35 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Extension_Optimizer extends Twig_Extension
{
protected $optimizers;
public function __construct($optimizers = -1)
{
$this->optimizers = $optimizers;
}
/**
* {@inheritdoc}
*/
public function getNodeVisitors()
{
return array(new Twig_NodeVisitor_Optimizer($this->optimizers));
}
/**
* {@inheritdoc}
*/
public function getName()
{
return 'optimizer';
}
}

112
inc/lib/Twig/Extension/Sandbox.php
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@ -1,112 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Extension_Sandbox extends Twig_Extension
{
protected $sandboxedGlobally;
protected $sandboxed;
protected $policy;
public function __construct(Twig_Sandbox_SecurityPolicyInterface $policy, $sandboxed = false)
{
$this->policy = $policy;
$this->sandboxedGlobally = $sandboxed;
}
/**
* Returns the token parser instances to add to the existing list.
*
* @return array An array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances
*/
public function getTokenParsers()
{
return array(new Twig_TokenParser_Sandbox());
}
/**
* Returns the node visitor instances to add to the existing list.
*
* @return array An array of Twig_NodeVisitorInterface instances
*/
public function getNodeVisitors()
{
return array(new Twig_NodeVisitor_Sandbox());
}
public function enableSandbox()
{
$this->sandboxed = true;
}
public function disableSandbox()
{
$this->sandboxed = false;
}
public function isSandboxed()
{
return $this->sandboxedGlobally || $this->sandboxed;
}
public function isSandboxedGlobally()
{
return $this->sandboxedGlobally;
}
public function setSecurityPolicy(Twig_Sandbox_SecurityPolicyInterface $policy)
{
$this->policy = $policy;
}
public function getSecurityPolicy()
{
return $this->policy;
}
public function checkSecurity($tags, $filters, $functions)
{
if ($this->isSandboxed()) {
$this->policy->checkSecurity($tags, $filters, $functions);
}
}
public function checkMethodAllowed($obj, $method)
{
if ($this->isSandboxed()) {
$this->policy->checkMethodAllowed($obj, $method);
}
}
public function checkPropertyAllowed($obj, $method)
{
if ($this->isSandboxed()) {
$this->policy->checkPropertyAllowed($obj, $method);
}
}
public function ensureToStringAllowed($obj)
{
if (is_object($obj)) {
$this->policy->checkMethodAllowed($obj, '__toString');
}
return $obj;
}
/**
* Returns the name of the extension.
*
* @return string The extension name
*/
public function getName()
{
return 'sandbox';
}
}

113
inc/lib/Twig/Extension/Staging.php
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@ -1,113 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2012 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Internal class.
*
* This class is used by Twig_Environment as a staging area and must not be used directly.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Extension_Staging extends Twig_Extension
{
protected $functions = array();
protected $filters = array();
protected $visitors = array();
protected $tokenParsers = array();
protected $globals = array();
protected $tests = array();
public function addFunction($name, $function)
{
$this->functions[$name] = $function;
}
/**
* {@inheritdoc}
*/
public function getFunctions()
{
return $this->functions;
}
public function addFilter($name, $filter)
{
$this->filters[$name] = $filter;
}
/**
* {@inheritdoc}
*/
public function getFilters()
{
return $this->filters;
}
public function addNodeVisitor(Twig_NodeVisitorInterface $visitor)
{
$this->visitors[] = $visitor;
}
/**
* {@inheritdoc}
*/
public function getNodeVisitors()
{
return $this->visitors;
}
public function addTokenParser(Twig_TokenParserInterface $parser)
{
$this->tokenParsers[] = $parser;
}
/**
* {@inheritdoc}
*/
public function getTokenParsers()
{
return $this->tokenParsers;
}
public function addGlobal($name, $value)
{
$this->globals[$name] = $value;
}
/**
* {@inheritdoc}
*/
public function getGlobals()
{
return $this->globals;
}
public function addTest($name, $test)
{
$this->tests[$name] = $test;
}
/**
* {@inheritdoc}
*/
public function getTests()
{
return $this->tests;
}
/**
* {@inheritdoc}
*/
public function getName()
{
return 'staging';
}
}

64
inc/lib/Twig/Extension/StringLoader.php
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@ -1,64 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2012 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Extension_StringLoader extends Twig_Extension
{
/**
* {@inheritdoc}
*/
public function getFunctions()
{
return array(
new Twig_SimpleFunction('template_from_string', 'twig_template_from_string', array('needs_environment' => true)),
);
}
/**
* {@inheritdoc}
*/
public function getName()
{
return 'string_loader';
}
}
/**
* Loads a template from a string.
*
* <pre>
* {{ include(template_from_string("Hello {{ name }}")) }}
* </pre>
*
* @param Twig_Environment $env A Twig_Environment instance
* @param string $template A template as a string
*
* @return Twig_Template A Twig_Template instance
*/
function twig_template_from_string(Twig_Environment $env, $template)
{
$name = sprintf('__string_template__%s', hash('sha256', uniqid(mt_rand(), true), false));
$loader = new Twig_Loader_Chain(array(
new Twig_Loader_Array(array($name => $template)),
$current = $env->getLoader(),
));
$env->setLoader($loader);
try {
$template = $env->loadTemplate($name);
} catch (Exception $e) {
$env->setLoader($current);
throw $e;
}
$env->setLoader($current);
return $template;
}

83
inc/lib/Twig/ExtensionInterface.php
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@ -1,83 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Interface implemented by extension classes.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
interface Twig_ExtensionInterface
{
/**
* Initializes the runtime environment.
*
* This is where you can load some file that contains filter functions for instance.
*
* @param Twig_Environment $environment The current Twig_Environment instance
*/
public function initRuntime(Twig_Environment $environment);
/**
* Returns the token parser instances to add to the existing list.
*
* @return array An array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances
*/
public function getTokenParsers();
/**
* Returns the node visitor instances to add to the existing list.
*
* @return array An array of Twig_NodeVisitorInterface instances
*/
public function getNodeVisitors();
/**
* Returns a list of filters to add to the existing list.
*
* @return array An array of filters
*/
public function getFilters();
/**
* Returns a list of tests to add to the existing list.
*
* @return array An array of tests
*/
public function getTests();
/**
* Returns a list of functions to add to the existing list.
*
* @return array An array of functions
*/
public function getFunctions();
/**
* Returns a list of operators to add to the existing list.
*
* @return array An array of operators
*/
public function getOperators();
/**
* Returns a list of global variables to add to the existing list.
*
* @return array An array of global variables
*/
public function getGlobals();
/**
* Returns the name of the extension.
*
* @return string The extension name
*/
public function getName();
}

45
inc/lib/Twig/Extensions/Extension/I18n.php
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@ -1,45 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Extensions_Extension_I18n extends Twig_Extension
{
/**
* Returns the token parser instances to add to the existing list.
*
* @return array An array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances
*/
public function getTokenParsers()
{
return array(new Twig_Extensions_TokenParser_Trans());
}
/**
* Returns a list of filters to add to the existing list.
*
* @return array An array of filters
*/
public function getFilters()
{
return array(
new Twig_SimpleFilter('trans', 'gettext'),
);
}
/**
* Returns the name of the extension.
*
* @return string The extension name
*/
public function getName()
{
return 'i18n';
}
}

135
inc/lib/Twig/Extensions/Extension/Tinyboard.php
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<?php
class Twig_Extensions_Extension_Tinyboard extends Twig_Extension
{
/**
* Returns a list of filters to add to the existing list.
*
* @return array An array of filters
*/
public function getFilters()
{
return array(
new Twig_SimpleFilter('filesize', 'format_bytes'),
new Twig_SimpleFilter('truncate', 'twig_truncate_filter'),
new Twig_SimpleFilter('truncate_body', 'truncate'),
new Twig_SimpleFilter('truncate_filename', 'twig_filename_truncate_filter'),
new Twig_SimpleFilter('extension', 'twig_extension_filter'),
new Twig_SimpleFilter('sprintf', 'sprintf'),
new Twig_SimpleFilter('capcode', 'capcode'),
new Twig_SimpleFilter('remove_modifiers', 'remove_modifiers'),
new Twig_SimpleFilter('hasPermission', 'twig_hasPermission_filter'),
new Twig_SimpleFilter('date', 'twig_date_filter'),
new Twig_SimpleFilter('poster_id', 'poster_id'),
new Twig_SimpleFilter('remove_whitespace', 'twig_remove_whitespace_filter'),
new Twig_SimpleFilter('count', 'count'),
new Twig_SimpleFilter('ago', 'ago'),
new Twig_SimpleFilter('until', 'until'),
new Twig_SimpleFilter('push', 'twig_push_filter'),
new Twig_SimpleFilter('bidi_cleanup', 'bidi_cleanup'),
new Twig_SimpleFilter('addslashes', 'addslashes'),
);
}
/**
* Returns a list of functions to add to the existing list.
*
* @return array An array of filters
*/
public function getFunctions()
{
return array(
new Twig_SimpleFunction('time', 'time'),
new Twig_SimpleFunction('floor', 'floor'),
new Twig_SimpleFunction('timezone', 'twig_timezone_function'),
new Twig_SimpleFunction('hiddenInputs', 'hiddenInputs'),
new Twig_SimpleFunction('hiddenInputsHash', 'hiddenInputsHash'),
new Twig_SimpleFunction('ratio', 'twig_ratio_function'),
new Twig_SimpleFunction('secure_link_confirm', 'twig_secure_link_confirm'),
new Twig_SimpleFunction('secure_link', 'twig_secure_link'),
new Twig_SimpleFunction('link_for', 'link_for')
);
}
/**
* Returns the name of the extension.
*
* @return string The extension name
*/
public function getName()
{
return 'tinyboard';
}
}
function twig_timezone_function() {
return 'Z';
}
function twig_push_filter($array, $value) {
array_push($array, $value);
return $array;
}
function twig_remove_whitespace_filter($data) {
return preg_replace('/[\t\r\n]/', '', $data);
}
function twig_date_filter($date, $format) {
return gmstrftime($format, $date);
}
function twig_hasPermission_filter($mod, $permission, $board = null) {
return hasPermission($permission, $board, $mod);
}
function twig_extension_filter($value, $case_insensitive = true) {
$ext = mb_substr($value, mb_strrpos($value, '.') + 1);
if($case_insensitive)
$ext = mb_strtolower($ext);
return $ext;
}
function twig_sprintf_filter( $value, $var) {
return sprintf($value, $var);
}
function twig_truncate_filter($value, $length = 30, $preserve = false, $separator = '…') {
if (mb_strlen($value) > $length) {
if ($preserve) {
if (false !== ($breakpoint = mb_strpos($value, ' ', $length))) {
$length = $breakpoint;
}
}
return mb_substr($value, 0, $length) . $separator;
}
return $value;
}
function twig_filename_truncate_filter($value, $length = 30, $separator = '…') {
if (mb_strlen($value) > $length) {
$value = strrev($value);
$array = array_reverse(explode(".", $value, 2));
$array = array_map("strrev", $array);
$filename = &$array[0];
$extension = isset($array[1]) ? $array[1] : false;
$filename = mb_substr($filename, 0, $length - ($extension ? mb_strlen($extension) + 1 : 0)) . $separator;
return implode(".", $array);
}
return $value;
}
function twig_ratio_function($w, $h) {
return fraction($w, $h, ':');
}
function twig_secure_link_confirm($text, $title, $confirm_message, $href) {
global $config;
return '<a onclick="if (event.which==2) return true;if (confirm(\'' . htmlentities(addslashes($confirm_message)) . '\')) document.location=\'?/' . htmlspecialchars(addslashes($href . '/' . make_secure_link_token($href))) . '\';return false;" title="' . htmlentities($title) . '" href="?/' . $href . '">' . $text . '</a>';
}
function twig_secure_link($href) {
return $href . '/' . make_secure_link_token($href);
}

133
inc/lib/Twig/Extensions/Node/Trans.php
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@ -1,133 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a trans node.
*
* @package twig
* @author Fabien Potencier <fabien.potencier@symfony-project.com>
*/
class Twig_Extensions_Node_Trans extends Twig_Node
{
public function __construct(Twig_NodeInterface $body, Twig_NodeInterface $plural = null, Twig_Node_Expression $count = null, $lineno, $tag = null)
{
parent::__construct(array('count' => $count, 'body' => $body, 'plural' => $plural), array(), $lineno, $tag);
}
/**
* Compiles the node to PHP.
*
* @param Twig_Compiler A Twig_Compiler instance
*/
public function compile(Twig_Compiler $compiler)
{
$compiler->addDebugInfo($this);
list($msg, $vars) = $this->compileString($this->getNode('body'));
if (null !== $this->getNode('plural')) {
list($msg1, $vars1) = $this->compileString($this->getNode('plural'));
$vars = array_merge($vars, $vars1);
}
$function = null === $this->getNode('plural') ? 'gettext' : 'ngettext';
if ($vars) {
$compiler
->write('echo strtr('.$function.'(')
->subcompile($msg)
;
if (null !== $this->getNode('plural')) {
$compiler
->raw(', ')
->subcompile($msg1)
->raw(', abs(')
->subcompile($this->getNode('count'))
->raw(')')
;
}
$compiler->raw('), array(');
foreach ($vars as $var) {
if ('count' === $var->getAttribute('name')) {
$compiler
->string('%count%')
->raw(' => abs(')
->subcompile($this->getNode('count'))
->raw('), ')
;
} else {
$compiler
->string('%'.$var->getAttribute('name').'%')
->raw(' => ')
->subcompile($var)
->raw(', ')
;
}
}
$compiler->raw("));\n");
} else {
$compiler
->write('echo '.$function.'(')
->subcompile($msg)
;
if (null !== $this->getNode('plural')) {
$compiler
->raw(', ')
->subcompile($msg1)
->raw(', abs(')
->subcompile($this->getNode('count'))
->raw(')')
;
}
$compiler->raw(");\n");
}
}
protected function compileString(Twig_NodeInterface $body)
{
if ($body instanceof Twig_Node_Expression_Name || $body instanceof Twig_Node_Expression_Constant || $body instanceof Twig_Node_Expression_TempName) {
return array($body, array());
}
$vars = array();
if (count($body)) {
$msg = '';
foreach ($body as $node) {
if (get_class($node) === 'Twig_Node' && $node->getNode(0) instanceof Twig_Node_SetTemp) {
$node = $node->getNode(1);
}
if ($node instanceof Twig_Node_Print) {
$n = $node->getNode('expr');
while ($n instanceof Twig_Node_Expression_Filter) {
$n = $n->getNode('node');
}
$msg .= sprintf('%%%s%%', $n->getAttribute('name'));
$vars[] = new Twig_Node_Expression_Name($n->getAttribute('name'), $n->getLine());
} else {
$msg .= $node->getAttribute('data');
}
}
} else {
$msg = $body->getAttribute('data');
}
return array(new Twig_Node(array(new Twig_Node_Expression_Constant(trim($msg), $body->getLine()))), $vars);
}
}

80
inc/lib/Twig/Extensions/TokenParser/Trans.php
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@ -1,80 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Extensions_TokenParser_Trans extends Twig_TokenParser
{
/**
* Parses a token and returns a node.
*
* @param Twig_Token $token A Twig_Token instance
*
* @return Twig_NodeInterface A Twig_NodeInterface instance
*/
public function parse(Twig_Token $token)
{
$lineno = $token->getLine();
$stream = $this->parser->getStream();
$count = null;
$plural = null;
if (!$stream->test(Twig_Token::BLOCK_END_TYPE)) {
$body = $this->parser->getExpressionParser()->parseExpression();
} else {
$stream->expect(Twig_Token::BLOCK_END_TYPE);
$body = $this->parser->subparse(array($this, 'decideForFork'));
if ('plural' === $stream->next()->getValue()) {
$count = $this->parser->getExpressionParser()->parseExpression();
$stream->expect(Twig_Token::BLOCK_END_TYPE);
$plural = $this->parser->subparse(array($this, 'decideForEnd'), true);
}
}
$stream->expect(Twig_Token::BLOCK_END_TYPE);
$this->checkTransString($body, $lineno);
return new Twig_Extensions_Node_Trans($body, $plural, $count, $lineno, $this->getTag());
}
public function decideForFork(Twig_Token $token)
{
return $token->test(array('plural', 'endtrans'));
}
public function decideForEnd(Twig_Token $token)
{
return $token->test('endtrans');
}
/**
* Gets the tag name associated with this token parser.
*
* @param string The tag name
*/
public function getTag()
{
return 'trans';
}
protected function checkTransString(Twig_NodeInterface $body, $lineno)
{
foreach ($body as $i => $node) {
if (
$node instanceof Twig_Node_Text
||
($node instanceof Twig_Node_Print && $node->getNode('expr') instanceof Twig_Node_Expression_Name)
) {
continue;
}
throw new Twig_Error_Syntax(sprintf('The text to be translated with "trans" can only contain references to simple variables'), $lineno);
}
}
}

81
inc/lib/Twig/Filter.php
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<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a template filter.
*
* Use Twig_SimpleFilter instead.
*
* @author Fabien Potencier <fabien@symfony.com>
* @deprecated since 1.12 (to be removed in 2.0)
*/
abstract class Twig_Filter implements Twig_FilterInterface, Twig_FilterCallableInterface
{
protected $options;
protected $arguments = array();
public function __construct(array $options = array())
{
$this->options = array_merge(array(
'needs_environment' => false,
'needs_context' => false,
'pre_escape' => null,
'preserves_safety' => null,
'callable' => null,
), $options);
}
public function setArguments($arguments)
{
$this->arguments = $arguments;
}
public function getArguments()
{
return $this->arguments;
}
public function needsEnvironment()
{
return $this->options['needs_environment'];
}
public function needsContext()
{
return $this->options['needs_context'];
}
public function getSafe(Twig_Node $filterArgs)
{
if (isset($this->options['is_safe'])) {
return $this->options['is_safe'];
}
if (isset($this->options['is_safe_callback'])) {
return call_user_func($this->options['is_safe_callback'], $filterArgs);
}
}
public function getPreservesSafety()
{
return $this->options['preserves_safety'];
}
public function getPreEscape()
{
return $this->options['pre_escape'];
}
public function getCallable()
{
return $this->options['callable'];
}
}

37
inc/lib/Twig/Filter/Function.php
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<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a function template filter.
*
* Use Twig_SimpleFilter instead.
*
* @author Fabien Potencier <fabien@symfony.com>
* @deprecated since 1.12 (to be removed in 2.0)
*/
class Twig_Filter_Function extends Twig_Filter
{
protected $function;
public function __construct($function, array $options = array())
{
$options['callable'] = $function;
parent::__construct($options);
$this->function = $function;
}
public function compile()
{
return $this->function;
}
}

39
inc/lib/Twig/Filter/Method.php
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@ -1,39 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a method template filter.
*
* Use Twig_SimpleFilter instead.
*
* @author Fabien Potencier <fabien@symfony.com>
* @deprecated since 1.12 (to be removed in 2.0)
*/
class Twig_Filter_Method extends Twig_Filter
{
protected $extension;
protected $method;
public function __construct(Twig_ExtensionInterface $extension, $method, array $options = array())
{
$options['callable'] = array($extension, $method);
parent::__construct($options);
$this->extension = $extension;
$this->method = $method;
}
public function compile()
{
return sprintf('$this->env->getExtension(\'%s\')->%s', $this->extension->getName(), $this->method);
}
}

39
inc/lib/Twig/Filter/Node.php
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@ -1,39 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2011 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a template filter as a node.
*
* Use Twig_SimpleFilter instead.
*
* @author Fabien Potencier <fabien@symfony.com>
* @deprecated since 1.12 (to be removed in 2.0)
*/
class Twig_Filter_Node extends Twig_Filter
{
protected $class;
public function __construct($class, array $options = array())
{
parent::__construct($options);
$this->class = $class;
}
public function getClass()
{
return $this->class;
}
public function compile()
{
}
}

23
inc/lib/Twig/FilterCallableInterface.php
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@ -1,23 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2012 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a callable template filter.
*
* Use Twig_SimpleFilter instead.
*
* @author Fabien Potencier <fabien@symfony.com>
* @deprecated since 1.12 (to be removed in 2.0)
*/
interface Twig_FilterCallableInterface
{
public function getCallable();
}

42
inc/lib/Twig/FilterInterface.php
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@ -1,42 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a template filter.
*
* Use Twig_SimpleFilter instead.
*
* @author Fabien Potencier <fabien@symfony.com>
* @deprecated since 1.12 (to be removed in 2.0)
*/
interface Twig_FilterInterface
{
/**
* Compiles a filter.
*
* @return string The PHP code for the filter
*/
public function compile();
public function needsEnvironment();
public function needsContext();
public function getSafe(Twig_Node $filterArgs);
public function getPreservesSafety();
public function getPreEscape();
public function setArguments($arguments);
public function getArguments();
}

71
inc/lib/Twig/Function.php
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<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a template function.
*
* Use Twig_SimpleFunction instead.
*
* @author Fabien Potencier <fabien@symfony.com>
* @deprecated since 1.12 (to be removed in 2.0)
*/
abstract class Twig_Function implements Twig_FunctionInterface, Twig_FunctionCallableInterface
{
protected $options;
protected $arguments = array();
public function __construct(array $options = array())
{
$this->options = array_merge(array(
'needs_environment' => false,
'needs_context' => false,
'callable' => null,
), $options);
}
public function setArguments($arguments)
{
$this->arguments = $arguments;
}
public function getArguments()
{
return $this->arguments;
}
public function needsEnvironment()
{
return $this->options['needs_environment'];
}
public function needsContext()
{
return $this->options['needs_context'];
}
public function getSafe(Twig_Node $functionArgs)
{
if (isset($this->options['is_safe'])) {
return $this->options['is_safe'];
}
if (isset($this->options['is_safe_callback'])) {
return call_user_func($this->options['is_safe_callback'], $functionArgs);
}
return array();
}
public function getCallable()
{
return $this->options['callable'];
}
}

38
inc/lib/Twig/Function/Function.php
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@ -1,38 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2010 Arnaud Le Blanc
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a function template function.
*
* Use Twig_SimpleFunction instead.
*
* @author Arnaud Le Blanc <arnaud.lb@gmail.com>
* @deprecated since 1.12 (to be removed in 2.0)
*/
class Twig_Function_Function extends Twig_Function
{
protected $function;
public function __construct($function, array $options = array())
{
$options['callable'] = $function;
parent::__construct($options);
$this->function = $function;
}
public function compile()
{
return $this->function;
}
}

40
inc/lib/Twig/Function/Method.php
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@ -1,40 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2010 Arnaud Le Blanc
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a method template function.
*
* Use Twig_SimpleFunction instead.
*
* @author Arnaud Le Blanc <arnaud.lb@gmail.com>
* @deprecated since 1.12 (to be removed in 2.0)
*/
class Twig_Function_Method extends Twig_Function
{
protected $extension;
protected $method;
public function __construct(Twig_ExtensionInterface $extension, $method, array $options = array())
{
$options['callable'] = array($extension, $method);
parent::__construct($options);
$this->extension = $extension;
$this->method = $method;
}
public function compile()
{
return sprintf('$this->env->getExtension(\'%s\')->%s', $this->extension->getName(), $this->method);
}
}

39
inc/lib/Twig/Function/Node.php
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@ -1,39 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2011 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a template function as a node.
*
* Use Twig_SimpleFunction instead.
*
* @author Fabien Potencier <fabien@symfony.com>
* @deprecated since 1.12 (to be removed in 2.0)
*/
class Twig_Function_Node extends Twig_Function
{
protected $class;
public function __construct($class, array $options = array())
{
parent::__construct($options);
$this->class = $class;
}
public function getClass()
{
return $this->class;
}
public function compile()
{
}
}

23
inc/lib/Twig/FunctionCallableInterface.php
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@ -1,23 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2012 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a callable template function.
*
* Use Twig_SimpleFunction instead.
*
* @author Fabien Potencier <fabien@symfony.com>
* @deprecated since 1.12 (to be removed in 2.0)
*/
interface Twig_FunctionCallableInterface
{
public function getCallable();
}

39
inc/lib/Twig/FunctionInterface.php
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@ -1,39 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
* (c) 2010 Arnaud Le Blanc
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a template function.
*
* Use Twig_SimpleFunction instead.
*
* @author Arnaud Le Blanc <arnaud.lb@gmail.com>
* @deprecated since 1.12 (to be removed in 2.0)
*/
interface Twig_FunctionInterface
{
/**
* Compiles a function.
*
* @return string The PHP code for the function
*/
public function compile();
public function needsEnvironment();
public function needsContext();
public function getSafe(Twig_Node $filterArgs);
public function setArguments($arguments);
public function getArguments();
}

408
inc/lib/Twig/Lexer.php
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@ -1,408 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Lexes a template string.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Lexer implements Twig_LexerInterface
{
protected $tokens;
protected $code;
protected $cursor;
protected $lineno;
protected $end;
protected $state;
protected $states;
protected $brackets;
protected $env;
protected $filename;
protected $options;
protected $regexes;
protected $position;
protected $positions;
protected $currentVarBlockLine;
const STATE_DATA = 0;
const STATE_BLOCK = 1;
const STATE_VAR = 2;
const STATE_STRING = 3;
const STATE_INTERPOLATION = 4;
const REGEX_NAME = '/[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*/A';
const REGEX_NUMBER = '/[0-9]+(?:\.[0-9]+)?/A';
const REGEX_STRING = '/"([^#"\\\\]*(?:\\\\.[^#"\\\\]*)*)"|\'([^\'\\\\]*(?:\\\\.[^\'\\\\]*)*)\'/As';
const REGEX_DQ_STRING_DELIM = '/"/A';
const REGEX_DQ_STRING_PART = '/[^#"\\\\]*(?:(?:\\\\.|#(?!\{))[^#"\\\\]*)*/As';
const PUNCTUATION = '()[]{}?:.,|';
public function __construct(Twig_Environment $env, array $options = array())
{
$this->env = $env;
$this->options = array_merge(array(
'tag_comment' => array('{#', '#}'),
'tag_block' => array('{%', '%}'),
'tag_variable' => array('{{', '}}'),
'whitespace_trim' => '-',
'interpolation' => array('#{', '}'),
), $options);
$this->regexes = array(
'lex_var' => '/\s*'.preg_quote($this->options['whitespace_trim'].$this->options['tag_variable'][1], '/').'\s*|\s*'.preg_quote($this->options['tag_variable'][1], '/').'/A',
'lex_block' => '/\s*(?:'.preg_quote($this->options['whitespace_trim'].$this->options['tag_block'][1], '/').'\s*|\s*'.preg_quote($this->options['tag_block'][1], '/').')\n?/A',
'lex_raw_data' => '/('.preg_quote($this->options['tag_block'][0].$this->options['whitespace_trim'], '/').'|'.preg_quote($this->options['tag_block'][0], '/').')\s*(?:end%s)\s*(?:'.preg_quote($this->options['whitespace_trim'].$this->options['tag_block'][1], '/').'\s*|\s*'.preg_quote($this->options['tag_block'][1], '/').')/s',
'operator' => $this->getOperatorRegex(),
'lex_comment' => '/(?:'.preg_quote($this->options['whitespace_trim'], '/').preg_quote($this->options['tag_comment'][1], '/').'\s*|'.preg_quote($this->options['tag_comment'][1], '/').')\n?/s',
'lex_block_raw' => '/\s*(raw|verbatim)\s*(?:'.preg_quote($this->options['whitespace_trim'].$this->options['tag_block'][1], '/').'\s*|\s*'.preg_quote($this->options['tag_block'][1], '/').')/As',
'lex_block_line' => '/\s*line\s+(\d+)\s*'.preg_quote($this->options['tag_block'][1], '/').'/As',
'lex_tokens_start' => '/('.preg_quote($this->options['tag_variable'][0], '/').'|'.preg_quote($this->options['tag_block'][0], '/').'|'.preg_quote($this->options['tag_comment'][0], '/').')('.preg_quote($this->options['whitespace_trim'], '/').')?/s',
'interpolation_start' => '/'.preg_quote($this->options['interpolation'][0], '/').'\s*/A',
'interpolation_end' => '/\s*'.preg_quote($this->options['interpolation'][1], '/').'/A',
);
}
/**
* Tokenizes a source code.
*
* @param string $code The source code
* @param string $filename A unique identifier for the source code
*
* @return Twig_TokenStream A token stream instance
*/
public function tokenize($code, $filename = null)
{
if (function_exists('mb_internal_encoding') && ((int) ini_get('mbstring.func_overload')) & 2) {
$mbEncoding = mb_internal_encoding();
mb_internal_encoding('ASCII');
}
$this->code = str_replace(array("\r\n", "\r"), "\n", $code);
$this->filename = $filename;
$this->cursor = 0;
$this->lineno = 1;
$this->end = strlen($this->code);
$this->tokens = array();
$this->state = self::STATE_DATA;
$this->states = array();
$this->brackets = array();
$this->position = -1;
// find all token starts in one go
preg_match_all($this->regexes['lex_tokens_start'], $this->code, $matches, PREG_OFFSET_CAPTURE);
$this->positions = $matches;
while ($this->cursor < $this->end) {
// dispatch to the lexing functions depending
// on the current state
switch ($this->state) {
case self::STATE_DATA:
$this->lexData();
break;
case self::STATE_BLOCK:
$this->lexBlock();
break;
case self::STATE_VAR:
$this->lexVar();
break;
case self::STATE_STRING:
$this->lexString();
break;
case self::STATE_INTERPOLATION:
$this->lexInterpolation();
break;
}
}
$this->pushToken(Twig_Token::EOF_TYPE);
if (!empty($this->brackets)) {
list($expect, $lineno) = array_pop($this->brackets);
throw new Twig_Error_Syntax(sprintf('Unclosed "%s"', $expect), $lineno, $this->filename);
}
if (isset($mbEncoding)) {
mb_internal_encoding($mbEncoding);
}
return new Twig_TokenStream($this->tokens, $this->filename);
}
protected function lexData()
{
// if no matches are left we return the rest of the template as simple text token
if ($this->position == count($this->positions[0]) - 1) {
$this->pushToken(Twig_Token::TEXT_TYPE, substr($this->code, $this->cursor));
$this->cursor = $this->end;
return;
}
// Find the first token after the current cursor
$position = $this->positions[0][++$this->position];
while ($position[1] < $this->cursor) {
if ($this->position == count($this->positions[0]) - 1) {
return;
}
$position = $this->positions[0][++$this->position];
}
// push the template text first
$text = $textContent = substr($this->code, $this->cursor, $position[1] - $this->cursor);
if (isset($this->positions[2][$this->position][0])) {
$text = rtrim($text);
}
$this->pushToken(Twig_Token::TEXT_TYPE, $text);
$this->moveCursor($textContent.$position[0]);
switch ($this->positions[1][$this->position][0]) {
case $this->options['tag_comment'][0]:
$this->lexComment();
break;
case $this->options['tag_block'][0]:
// raw data?
if (preg_match($this->regexes['lex_block_raw'], $this->code, $match, null, $this->cursor)) {
$this->moveCursor($match[0]);
$this->lexRawData($match[1]);
// {% line \d+ %}
} elseif (preg_match($this->regexes['lex_block_line'], $this->code, $match, null, $this->cursor)) {
$this->moveCursor($match[0]);
$this->lineno = (int) $match[1];
} else {
$this->pushToken(Twig_Token::BLOCK_START_TYPE);
$this->pushState(self::STATE_BLOCK);
$this->currentVarBlockLine = $this->lineno;
}
break;
case $this->options['tag_variable'][0]:
$this->pushToken(Twig_Token::VAR_START_TYPE);
$this->pushState(self::STATE_VAR);
$this->currentVarBlockLine = $this->lineno;
break;
}
}
protected function lexBlock()
{
if (empty($this->brackets) && preg_match($this->regexes['lex_block'], $this->code, $match, null, $this->cursor)) {
$this->pushToken(Twig_Token::BLOCK_END_TYPE);
$this->moveCursor($match[0]);
$this->popState();
} else {
$this->lexExpression();
}
}
protected function lexVar()
{
if (empty($this->brackets) && preg_match($this->regexes['lex_var'], $this->code, $match, null, $this->cursor)) {
$this->pushToken(Twig_Token::VAR_END_TYPE);
$this->moveCursor($match[0]);
$this->popState();
} else {
$this->lexExpression();
}
}
protected function lexExpression()
{
// whitespace
if (preg_match('/\s+/A', $this->code, $match, null, $this->cursor)) {
$this->moveCursor($match[0]);
if ($this->cursor >= $this->end) {
throw new Twig_Error_Syntax(sprintf('Unclosed "%s"', $this->state === self::STATE_BLOCK ? 'block' : 'variable'), $this->currentVarBlockLine, $this->filename);
}
}
// operators
if (preg_match($this->regexes['operator'], $this->code, $match, null, $this->cursor)) {
$this->pushToken(Twig_Token::OPERATOR_TYPE, $match[0]);
$this->moveCursor($match[0]);
}
// names
elseif (preg_match(self::REGEX_NAME, $this->code, $match, null, $this->cursor)) {
$this->pushToken(Twig_Token::NAME_TYPE, $match[0]);
$this->moveCursor($match[0]);
}
// numbers
elseif (preg_match(self::REGEX_NUMBER, $this->code, $match, null, $this->cursor)) {
$number = (float) $match[0]; // floats
if (ctype_digit($match[0]) && $number <= PHP_INT_MAX) {
$number = (int) $match[0]; // integers lower than the maximum
}
$this->pushToken(Twig_Token::NUMBER_TYPE, $number);
$this->moveCursor($match[0]);
}
// punctuation
elseif (false !== strpos(self::PUNCTUATION, $this->code[$this->cursor])) {
// opening bracket
if (false !== strpos('([{', $this->code[$this->cursor])) {
$this->brackets[] = array($this->code[$this->cursor], $this->lineno);
}
// closing bracket
elseif (false !== strpos(')]}', $this->code[$this->cursor])) {
if (empty($this->brackets)) {
throw new Twig_Error_Syntax(sprintf('Unexpected "%s"', $this->code[$this->cursor]), $this->lineno, $this->filename);
}
list($expect, $lineno) = array_pop($this->brackets);
if ($this->code[$this->cursor] != strtr($expect, '([{', ')]}')) {
throw new Twig_Error_Syntax(sprintf('Unclosed "%s"', $expect), $lineno, $this->filename);
}
}
$this->pushToken(Twig_Token::PUNCTUATION_TYPE, $this->code[$this->cursor]);
++$this->cursor;
}
// strings
elseif (preg_match(self::REGEX_STRING, $this->code, $match, null, $this->cursor)) {
$this->pushToken(Twig_Token::STRING_TYPE, stripcslashes(substr($match[0], 1, -1)));
$this->moveCursor($match[0]);
}
// opening double quoted string
elseif (preg_match(self::REGEX_DQ_STRING_DELIM, $this->code, $match, null, $this->cursor)) {
$this->brackets[] = array('"', $this->lineno);
$this->pushState(self::STATE_STRING);
$this->moveCursor($match[0]);
}
// unlexable
else {
throw new Twig_Error_Syntax(sprintf('Unexpected character "%s"', $this->code[$this->cursor]), $this->lineno, $this->filename);
}
}
protected function lexRawData($tag)
{
if (!preg_match(str_replace('%s', $tag, $this->regexes['lex_raw_data']), $this->code, $match, PREG_OFFSET_CAPTURE, $this->cursor)) {
throw new Twig_Error_Syntax(sprintf('Unexpected end of file: Unclosed "%s" block', $tag), $this->lineno, $this->filename);
}
$text = substr($this->code, $this->cursor, $match[0][1] - $this->cursor);
$this->moveCursor($text.$match[0][0]);
if (false !== strpos($match[1][0], $this->options['whitespace_trim'])) {
$text = rtrim($text);
}
$this->pushToken(Twig_Token::TEXT_TYPE, $text);
}
protected function lexComment()
{
if (!preg_match($this->regexes['lex_comment'], $this->code, $match, PREG_OFFSET_CAPTURE, $this->cursor)) {
throw new Twig_Error_Syntax('Unclosed comment', $this->lineno, $this->filename);
}
$this->moveCursor(substr($this->code, $this->cursor, $match[0][1] - $this->cursor).$match[0][0]);
}
protected function lexString()
{
if (preg_match($this->regexes['interpolation_start'], $this->code, $match, null, $this->cursor)) {
$this->brackets[] = array($this->options['interpolation'][0], $this->lineno);
$this->pushToken(Twig_Token::INTERPOLATION_START_TYPE);
$this->moveCursor($match[0]);
$this->pushState(self::STATE_INTERPOLATION);
} elseif (preg_match(self::REGEX_DQ_STRING_PART, $this->code, $match, null, $this->cursor) && strlen($match[0]) > 0) {
$this->pushToken(Twig_Token::STRING_TYPE, stripcslashes($match[0]));
$this->moveCursor($match[0]);
} elseif (preg_match(self::REGEX_DQ_STRING_DELIM, $this->code, $match, null, $this->cursor)) {
list($expect, $lineno) = array_pop($this->brackets);
if ($this->code[$this->cursor] != '"') {
throw new Twig_Error_Syntax(sprintf('Unclosed "%s"', $expect), $lineno, $this->filename);
}
$this->popState();
++$this->cursor;
}
}
protected function lexInterpolation()
{
$bracket = end($this->brackets);
if ($this->options['interpolation'][0] === $bracket[0] && preg_match($this->regexes['interpolation_end'], $this->code, $match, null, $this->cursor)) {
array_pop($this->brackets);
$this->pushToken(Twig_Token::INTERPOLATION_END_TYPE);
$this->moveCursor($match[0]);
$this->popState();
} else {
$this->lexExpression();
}
}
protected function pushToken($type, $value = '')
{
// do not push empty text tokens
if (Twig_Token::TEXT_TYPE === $type && '' === $value) {
return;
}
$this->tokens[] = new Twig_Token($type, $value, $this->lineno);
}
protected function moveCursor($text)
{
$this->cursor += strlen($text);
$this->lineno += substr_count($text, "\n");
}
protected function getOperatorRegex()
{
$operators = array_merge(
array('='),
array_keys($this->env->getUnaryOperators()),
array_keys($this->env->getBinaryOperators())
);
$operators = array_combine($operators, array_map('strlen', $operators));
arsort($operators);
$regex = array();
foreach ($operators as $operator => $length) {
// an operator that ends with a character must be followed by
// a whitespace or a parenthesis
if (ctype_alpha($operator[$length - 1])) {
$regex[] = preg_quote($operator, '/').'(?=[\s()])';
} else {
$regex[] = preg_quote($operator, '/');
}
}
return '/'.implode('|', $regex).'/A';
}
protected function pushState($state)
{
$this->states[] = $this->state;
$this->state = $state;
}
protected function popState()
{
if (0 === count($this->states)) {
throw new Exception('Cannot pop state without a previous state');
}
$this->state = array_pop($this->states);
}
}

29
inc/lib/Twig/LexerInterface.php
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<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Interface implemented by lexer classes.
*
* @author Fabien Potencier <fabien@symfony.com>
* @deprecated since 1.12 (to be removed in 2.0)
*/
interface Twig_LexerInterface
{
/**
* Tokenizes a source code.
*
* @param string $code The source code
* @param string $filename A unique identifier for the source code
*
* @return Twig_TokenStream A token stream instance
*/
public function tokenize($code, $filename = null);
}

95
inc/lib/Twig/Loader/Array.php
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<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Loads a template from an array.
*
* When using this loader with a cache mechanism, you should know that a new cache
* key is generated each time a template content "changes" (the cache key being the
* source code of the template). If you don't want to see your cache grows out of
* control, you need to take care of clearing the old cache file by yourself.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Loader_Array implements Twig_LoaderInterface, Twig_ExistsLoaderInterface
{
protected $templates = array();
/**
* Constructor.
*
* @param array $templates An array of templates (keys are the names, and values are the source code)
*
* @see Twig_Loader
*/
public function __construct(array $templates)
{
$this->templates = $templates;
}
/**
* Adds or overrides a template.
*
* @param string $name The template name
* @param string $template The template source
*/
public function setTemplate($name, $template)
{
$this->templates[(string) $name] = $template;
}
/**
* {@inheritdoc}
*/
public function getSource($name)
{
$name = (string) $name;
if (!isset($this->templates[$name])) {
throw new Twig_Error_Loader(sprintf('Template "%s" is not defined.', $name));
}
return $this->templates[$name];
}
/**
* {@inheritdoc}
*/
public function exists($name)
{
return isset($this->templates[(string) $name]);
}
/**
* {@inheritdoc}
*/
public function getCacheKey($name)
{
$name = (string) $name;
if (!isset($this->templates[$name])) {
throw new Twig_Error_Loader(sprintf('Template "%s" is not defined.', $name));
}
return $this->templates[$name];
}
/**
* {@inheritdoc}
*/
public function isFresh($name, $time)
{
$name = (string) $name;
if (!isset($this->templates[$name])) {
throw new Twig_Error_Loader(sprintf('Template "%s" is not defined.', $name));
}
return true;
}
}

138
inc/lib/Twig/Loader/Chain.php
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<?php
/*
* This file is part of Twig.
*
* (c) 2011 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Loads templates from other loaders.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Loader_Chain implements Twig_LoaderInterface, Twig_ExistsLoaderInterface
{
private $hasSourceCache = array();
protected $loaders = array();
/**
* Constructor.
*
* @param Twig_LoaderInterface[] $loaders An array of loader instances
*/
public function __construct(array $loaders = array())
{
foreach ($loaders as $loader) {
$this->addLoader($loader);
}
}
/**
* Adds a loader instance.
*
* @param Twig_LoaderInterface $loader A Loader instance
*/
public function addLoader(Twig_LoaderInterface $loader)
{
$this->loaders[] = $loader;
$this->hasSourceCache = array();
}
/**
* {@inheritdoc}
*/
public function getSource($name)
{
$exceptions = array();
foreach ($this->loaders as $loader) {
if ($loader instanceof Twig_ExistsLoaderInterface && !$loader->exists($name)) {
continue;
}
try {
return $loader->getSource($name);
} catch (Twig_Error_Loader $e) {
$exceptions[] = $e->getMessage();
}
}
throw new Twig_Error_Loader(sprintf('Template "%s" is not defined (%s).', $name, implode(', ', $exceptions)));
}
/**
* {@inheritdoc}
*/
public function exists($name)
{
$name = (string) $name;
if (isset($this->hasSourceCache[$name])) {
return $this->hasSourceCache[$name];
}
foreach ($this->loaders as $loader) {
if ($loader instanceof Twig_ExistsLoaderInterface) {
if ($loader->exists($name)) {
return $this->hasSourceCache[$name] = true;
}
continue;
}
try {
$loader->getSource($name);
return $this->hasSourceCache[$name] = true;
} catch (Twig_Error_Loader $e) {
}
}
return $this->hasSourceCache[$name] = false;
}
/**
* {@inheritdoc}
*/
public function getCacheKey($name)
{
$exceptions = array();
foreach ($this->loaders as $loader) {
if ($loader instanceof Twig_ExistsLoaderInterface && !$loader->exists($name)) {
continue;
}
try {
return $loader->getCacheKey($name);
} catch (Twig_Error_Loader $e) {
$exceptions[] = get_class($loader).': '.$e->getMessage();
}
}
throw new Twig_Error_Loader(sprintf('Template "%s" is not defined (%s).', $name, implode(' ', $exceptions)));
}
/**
* {@inheritdoc}
*/
public function isFresh($name, $time)
{
$exceptions = array();
foreach ($this->loaders as $loader) {
if ($loader instanceof Twig_ExistsLoaderInterface && !$loader->exists($name)) {
continue;
}
try {
return $loader->isFresh($name, $time);
} catch (Twig_Error_Loader $e) {
$exceptions[] = get_class($loader).': '.$e->getMessage();
}
}
throw new Twig_Error_Loader(sprintf('Template "%s" is not defined (%s).', $name, implode(' ', $exceptions)));
}
}

226
inc/lib/Twig/Loader/Filesystem.php
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<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Loads template from the filesystem.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Loader_Filesystem implements Twig_LoaderInterface, Twig_ExistsLoaderInterface
{
/** Identifier of the main namespace. */
const MAIN_NAMESPACE = '__main__';
protected $paths = array();
protected $cache = array();
/**
* Constructor.
*
* @param string|array $paths A path or an array of paths where to look for templates
*/
public function __construct($paths = array())
{
if ($paths) {
$this->setPaths($paths);
}
}
/**
* Returns the paths to the templates.
*
* @param string $namespace A path namespace
*
* @return array The array of paths where to look for templates
*/
public function getPaths($namespace = self::MAIN_NAMESPACE)
{
return isset($this->paths[$namespace]) ? $this->paths[$namespace] : array();
}
/**
* Returns the path namespaces.
*
* The main namespace is always defined.
*
* @return array The array of defined namespaces
*/
public function getNamespaces()
{
return array_keys($this->paths);
}
/**
* Sets the paths where templates are stored.
*
* @param string|array $paths A path or an array of paths where to look for templates
* @param string $namespace A path namespace
*/
public function setPaths($paths, $namespace = self::MAIN_NAMESPACE)
{
if (!is_array($paths)) {
$paths = array($paths);
}
$this->paths[$namespace] = array();
foreach ($paths as $path) {
$this->addPath($path, $namespace);
}
}
/**
* Adds a path where templates are stored.
*
* @param string $path A path where to look for templates
* @param string $namespace A path name
*
* @throws Twig_Error_Loader
*/
public function addPath($path, $namespace = self::MAIN_NAMESPACE)
{
// invalidate the cache
$this->cache = array();
if (!is_dir($path)) {
throw new Twig_Error_Loader(sprintf('The "%s" directory does not exist.', $path));
}
$this->paths[$namespace][] = rtrim($path, '/\\');
}
/**
* Prepends a path where templates are stored.
*
* @param string $path A path where to look for templates
* @param string $namespace A path name
*
* @throws Twig_Error_Loader
*/
public function prependPath($path, $namespace = self::MAIN_NAMESPACE)
{
// invalidate the cache
$this->cache = array();
if (!is_dir($path)) {
throw new Twig_Error_Loader(sprintf('The "%s" directory does not exist.', $path));
}
$path = rtrim($path, '/\\');
if (!isset($this->paths[$namespace])) {
$this->paths[$namespace][] = $path;
} else {
array_unshift($this->paths[$namespace], $path);
}
}
/**
* {@inheritdoc}
*/
public function getSource($name)
{
return file_get_contents($this->findTemplate($name));
}
/**
* {@inheritdoc}
*/
public function getCacheKey($name)
{
return $this->findTemplate($name);
}
/**
* {@inheritdoc}
*/
public function exists($name)
{
$name = (string) $name;
if (isset($this->cache[$name])) {
return true;
}
try {
$this->findTemplate($name);
return true;
} catch (Twig_Error_Loader $exception) {
return false;
}
}
/**
* {@inheritdoc}
*/
public function isFresh($name, $time)
{
return filemtime($this->findTemplate($name)) <= $time;
}
protected function findTemplate($name)
{
$name = (string) $name;
// normalize name
$name = preg_replace('#/{2,}#', '/', strtr($name, '\\', '/'));
if (isset($this->cache[$name])) {
return $this->cache[$name];
}
$this->validateName($name);
$namespace = self::MAIN_NAMESPACE;
$shortname = $name;
if (isset($name[0]) && '@' == $name[0]) {
if (false === $pos = strpos($name, '/')) {
throw new Twig_Error_Loader(sprintf('Malformed namespaced template name "%s" (expecting "@namespace/template_name").', $name));
}
$namespace = substr($name, 1, $pos - 1);
$shortname = substr($name, $pos + 1);
}
if (!isset($this->paths[$namespace])) {
throw new Twig_Error_Loader(sprintf('There are no registered paths for namespace "%s".', $namespace));
}
foreach ($this->paths[$namespace] as $path) {
if (is_file($path.'/'.$shortname)) {
return $this->cache[$name] = $path.'/'.$shortname;
}
}
throw new Twig_Error_Loader(sprintf('Unable to find template "%s" (looked into: %s).', $name, implode(', ', $this->paths[$namespace])));
}
protected function validateName($name)
{
if (false !== strpos($name, "\0")) {
throw new Twig_Error_Loader('A template name cannot contain NUL bytes.');
}
$name = ltrim($name, '/');
$parts = explode('/', $name);
$level = 0;
foreach ($parts as $part) {
if ('..' === $part) {
--$level;
} elseif ('.' !== $part) {
++$level;
}
if ($level < 0) {
throw new Twig_Error_Loader(sprintf('Looks like you try to load a template outside configured directories (%s).', $name));
}
}
}
}

59
inc/lib/Twig/Loader/String.php
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<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Loads a template from a string.
*
* This loader should only be used for unit testing as it has many limitations
* (for instance, the include or extends tag does not make any sense for a string
* loader).
*
* When using this loader with a cache mechanism, you should know that a new cache
* key is generated each time a template content "changes" (the cache key being the
* source code of the template). If you don't want to see your cache grows out of
* control, you need to take care of clearing the old cache file by yourself.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Loader_String implements Twig_LoaderInterface, Twig_ExistsLoaderInterface
{
/**
* {@inheritdoc}
*/
public function getSource($name)
{
return $name;
}
/**
* {@inheritdoc}
*/
public function exists($name)
{
return true;
}
/**
* {@inheritdoc}
*/
public function getCacheKey($name)
{
return $name;
}
/**
* {@inheritdoc}
*/
public function isFresh($name, $time)
{
return true;
}
}

52
inc/lib/Twig/LoaderInterface.php
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<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Interface all loaders must implement.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
interface Twig_LoaderInterface
{
/**
* Gets the source code of a template, given its name.
*
* @param string $name The name of the template to load
*
* @return string The template source code
*
* @throws Twig_Error_Loader When $name is not found
*/
public function getSource($name);
/**
* Gets the cache key to use for the cache for a given template name.
*
* @param string $name The name of the template to load
*
* @return string The cache key
*
* @throws Twig_Error_Loader When $name is not found
*/
public function getCacheKey($name);
/**
* Returns true if the template is still fresh.
*
* @param string $name The template name
* @param timestamp $time The last modification time of the cached template
*
* @return Boolean true if the template is fresh, false otherwise
*
* @throws Twig_Error_Loader When $name is not found
*/
public function isFresh($name, $time);
}

37
inc/lib/Twig/Markup.php
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@ -1,37 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Marks a content as safe.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Markup implements Countable
{
protected $content;
protected $charset;
public function __construct($content, $charset)
{
$this->content = (string) $content;
$this->charset = $charset;
}
public function __toString()
{
return $this->content;
}
public function count()
{
return function_exists('mb_get_info') ? mb_strlen($this->content, $this->charset) : strlen($this->content);
}
}

226
inc/lib/Twig/Node.php
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@ -1,226 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a node in the AST.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Node implements Twig_NodeInterface
{
protected $nodes;
protected $attributes;
protected $lineno;
protected $tag;
/**
* Constructor.
*
* The nodes are automatically made available as properties ($this->node).
* The attributes are automatically made available as array items ($this['name']).
*
* @param array $nodes An array of named nodes
* @param array $attributes An array of attributes (should not be nodes)
* @param integer $lineno The line number
* @param string $tag The tag name associated with the Node
*/
public function __construct(array $nodes = array(), array $attributes = array(), $lineno = 0, $tag = null)
{
$this->nodes = $nodes;
$this->attributes = $attributes;
$this->lineno = $lineno;
$this->tag = $tag;
}
public function __toString()
{
$attributes = array();
foreach ($this->attributes as $name => $value) {
$attributes[] = sprintf('%s: %s', $name, str_replace("\n", '', var_export($value, true)));
}
$repr = array(get_class($this).'('.implode(', ', $attributes));
if (count($this->nodes)) {
foreach ($this->nodes as $name => $node) {
$len = strlen($name) + 4;
$noderepr = array();
foreach (explode("\n", (string) $node) as $line) {
$noderepr[] = str_repeat(' ', $len).$line;
}
$repr[] = sprintf(' %s: %s', $name, ltrim(implode("\n", $noderepr)));
}
$repr[] = ')';
} else {
$repr[0] .= ')';
}
return implode("\n", $repr);
}
public function toXml($asDom = false)
{
$dom = new DOMDocument('1.0', 'UTF-8');
$dom->formatOutput = true;
$dom->appendChild($xml = $dom->createElement('twig'));
$xml->appendChild($node = $dom->createElement('node'));
$node->setAttribute('class', get_class($this));
foreach ($this->attributes as $name => $value) {
$node->appendChild($attribute = $dom->createElement('attribute'));
$attribute->setAttribute('name', $name);
$attribute->appendChild($dom->createTextNode($value));
}
foreach ($this->nodes as $name => $n) {
if (null === $n) {
continue;
}
$child = $n->toXml(true)->getElementsByTagName('node')->item(0);
$child = $dom->importNode($child, true);
$child->setAttribute('name', $name);
$node->appendChild($child);
}
return $asDom ? $dom : $dom->saveXml();
}
public function compile(Twig_Compiler $compiler)
{
foreach ($this->nodes as $node) {
$node->compile($compiler);
}
}
public function getLine()
{
return $this->lineno;
}
public function getNodeTag()
{
return $this->tag;
}
/**
* Returns true if the attribute is defined.
*
* @param string The attribute name
*
* @return Boolean true if the attribute is defined, false otherwise
*/
public function hasAttribute($name)
{
return array_key_exists($name, $this->attributes);
}
/**
* Gets an attribute.
*
* @param string The attribute name
*
* @return mixed The attribute value
*/
public function getAttribute($name)
{
if (!array_key_exists($name, $this->attributes)) {
throw new LogicException(sprintf('Attribute "%s" does not exist for Node "%s".', $name, get_class($this)));
}
return $this->attributes[$name];
}
/**
* Sets an attribute.
*
* @param string The attribute name
* @param mixed The attribute value
*/
public function setAttribute($name, $value)
{
$this->attributes[$name] = $value;
}
/**
* Removes an attribute.
*
* @param string The attribute name
*/
public function removeAttribute($name)
{
unset($this->attributes[$name]);
}
/**
* Returns true if the node with the given identifier exists.
*
* @param string The node name
*
* @return Boolean true if the node with the given name exists, false otherwise
*/
public function hasNode($name)
{
return array_key_exists($name, $this->nodes);
}
/**
* Gets a node by name.
*
* @param string The node name
*
* @return Twig_Node A Twig_Node instance
*/
public function getNode($name)
{
if (!array_key_exists($name, $this->nodes)) {
throw new LogicException(sprintf('Node "%s" does not exist for Node "%s".', $name, get_class($this)));
}
return $this->nodes[$name];
}
/**
* Sets a node.
*
* @param string The node name
* @param Twig_Node A Twig_Node instance
*/
public function setNode($name, $node = null)
{
$this->nodes[$name] = $node;
}
/**
* Removes a node by name.
*
* @param string The node name
*/
public function removeNode($name)
{
unset($this->nodes[$name]);
}
public function count()
{
return count($this->nodes);
}
public function getIterator()
{
return new ArrayIterator($this->nodes);
}
}

39
inc/lib/Twig/Node/AutoEscape.php
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@ -1,39 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents an autoescape node.
*
* The value is the escaping strategy (can be html, js, ...)
*
* The true value is equivalent to html.
*
* If autoescaping is disabled, then the value is false.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Node_AutoEscape extends Twig_Node
{
public function __construct($value, Twig_NodeInterface $body, $lineno, $tag = 'autoescape')
{
parent::__construct(array('body' => $body), array('value' => $value), $lineno, $tag);
}
/**
* Compiles the node to PHP.
*
* @param Twig_Compiler A Twig_Compiler instance
*/
public function compile(Twig_Compiler $compiler)
{
$compiler->subcompile($this->getNode('body'));
}
}

44
inc/lib/Twig/Node/Block.php
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<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a block node.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Node_Block extends Twig_Node
{
public function __construct($name, Twig_NodeInterface $body, $lineno, $tag = null)
{
parent::__construct(array('body' => $body), array('name' => $name), $lineno, $tag);
}
/**
* Compiles the node to PHP.
*
* @param Twig_Compiler A Twig_Compiler instance
*/
public function compile(Twig_Compiler $compiler)
{
$compiler
->addDebugInfo($this)
->write(sprintf("public function block_%s(\$context, array \$blocks = array())\n", $this->getAttribute('name')), "{\n")
->indent()
;
$compiler
->subcompile($this->getNode('body'))
->outdent()
->write("}\n\n")
;
}
}

37
inc/lib/Twig/Node/BlockReference.php
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@ -1,37 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a block call node.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Node_BlockReference extends Twig_Node implements Twig_NodeOutputInterface
{
public function __construct($name, $lineno, $tag = null)
{
parent::__construct(array(), array('name' => $name), $lineno, $tag);
}
/**
* Compiles the node to PHP.
*
* @param Twig_Compiler A Twig_Compiler instance
*/
public function compile(Twig_Compiler $compiler)
{
$compiler
->addDebugInfo($this)
->write(sprintf("\$this->displayBlock('%s', \$context, \$blocks);\n", $this->getAttribute('name')))
;
}
}

19
inc/lib/Twig/Node/Body.php
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@ -1,19 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2011 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a body node.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Node_Body extends Twig_Node
{
}

38
inc/lib/Twig/Node/Do.php
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@ -1,38 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2011 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a do node.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Node_Do extends Twig_Node
{
public function __construct(Twig_Node_Expression $expr, $lineno, $tag = null)
{
parent::__construct(array('expr' => $expr), array(), $lineno, $tag);
}
/**
* Compiles the node to PHP.
*
* @param Twig_Compiler A Twig_Compiler instance
*/
public function compile(Twig_Compiler $compiler)
{
$compiler
->addDebugInfo($this)
->write('')
->subcompile($this->getNode('expr'))
->raw(";\n")
;
}
}

38
inc/lib/Twig/Node/Embed.php
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@ -1,38 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2012 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents an embed node.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Node_Embed extends Twig_Node_Include
{
// we don't inject the module to avoid node visitors to traverse it twice (as it will be already visited in the main module)
public function __construct($filename, $index, Twig_Node_Expression $variables = null, $only = false, $ignoreMissing = false, $lineno, $tag = null)
{
parent::__construct(new Twig_Node_Expression_Constant('not_used', $lineno), $variables, $only, $ignoreMissing, $lineno, $tag);
$this->setAttribute('filename', $filename);
$this->setAttribute('index', $index);
}
protected function addGetTemplate(Twig_Compiler $compiler)
{
$compiler
->write("\$this->env->loadTemplate(")
->string($this->getAttribute('filename'))
->raw(', ')
->string($this->getAttribute('index'))
->raw(")")
;
}
}

20
inc/lib/Twig/Node/Expression.php
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@ -1,20 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Abstract class for all nodes that represents an expression.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
abstract class Twig_Node_Expression extends Twig_Node
{
}

86
inc/lib/Twig/Node/Expression/Array.php
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@ -1,86 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Array extends Twig_Node_Expression
{
protected $index;
public function __construct(array $elements, $lineno)
{
parent::__construct($elements, array(), $lineno);
$this->index = -1;
foreach ($this->getKeyValuePairs() as $pair) {
if ($pair['key'] instanceof Twig_Node_Expression_Constant && ctype_digit((string) $pair['key']->getAttribute('value')) && $pair['key']->getAttribute('value') > $this->index) {
$this->index = $pair['key']->getAttribute('value');
}
}
}
public function getKeyValuePairs()
{
$pairs = array();
foreach (array_chunk($this->nodes, 2) as $pair) {
$pairs[] = array(
'key' => $pair[0],
'value' => $pair[1],
);
}
return $pairs;
}
public function hasElement(Twig_Node_Expression $key)
{
foreach ($this->getKeyValuePairs() as $pair) {
// we compare the string representation of the keys
// to avoid comparing the line numbers which are not relevant here.
if ((string) $key == (string) $pair['key']) {
return true;
}
}
return false;
}
public function addElement(Twig_Node_Expression $value, Twig_Node_Expression $key = null)
{
if (null === $key) {
$key = new Twig_Node_Expression_Constant(++$this->index, $value->getLine());
}
array_push($this->nodes, $key, $value);
}
/**
* Compiles the node to PHP.
*
* @param Twig_Compiler A Twig_Compiler instance
*/
public function compile(Twig_Compiler $compiler)
{
$compiler->raw('array(');
$first = true;
foreach ($this->getKeyValuePairs() as $pair) {
if (!$first) {
$compiler->raw(', ');
}
$first = false;
$compiler
->subcompile($pair['key'])
->raw(' => ')
->subcompile($pair['value'])
;
}
$compiler->raw(')');
}
}

28
inc/lib/Twig/Node/Expression/AssignName.php
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@ -1,28 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_AssignName extends Twig_Node_Expression_Name
{
/**
* Compiles the node to PHP.
*
* @param Twig_Compiler A Twig_Compiler instance
*/
public function compile(Twig_Compiler $compiler)
{
$compiler
->raw('$context[')
->string($this->getAttribute('name'))
->raw(']')
;
}
}

40
inc/lib/Twig/Node/Expression/Binary.php
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@ -1,40 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
abstract class Twig_Node_Expression_Binary extends Twig_Node_Expression
{
public function __construct(Twig_NodeInterface $left, Twig_NodeInterface $right, $lineno)
{
parent::__construct(array('left' => $left, 'right' => $right), array(), $lineno);
}
/**
* Compiles the node to PHP.
*
* @param Twig_Compiler A Twig_Compiler instance
*/
public function compile(Twig_Compiler $compiler)
{
$compiler
->raw('(')
->subcompile($this->getNode('left'))
->raw(' ')
;
$this->operator($compiler);
$compiler
->raw(' ')
->subcompile($this->getNode('right'))
->raw(')')
;
}
abstract public function operator(Twig_Compiler $compiler);
}

18
inc/lib/Twig/Node/Expression/Binary/Add.php
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@ -1,18 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_Add extends Twig_Node_Expression_Binary
{
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('+');
}
}

18
inc/lib/Twig/Node/Expression/Binary/And.php
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@ -1,18 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_And extends Twig_Node_Expression_Binary
{
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('&&');
}
}

18
inc/lib/Twig/Node/Expression/Binary/BitwiseAnd.php
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@ -1,18 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_BitwiseAnd extends Twig_Node_Expression_Binary
{
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('&');
}
}

18
inc/lib/Twig/Node/Expression/Binary/BitwiseOr.php
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@ -1,18 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_BitwiseOr extends Twig_Node_Expression_Binary
{
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('|');
}
}

18
inc/lib/Twig/Node/Expression/Binary/BitwiseXor.php
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@ -1,18 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_BitwiseXor extends Twig_Node_Expression_Binary
{
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('^');
}
}

18
inc/lib/Twig/Node/Expression/Binary/Concat.php
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@ -1,18 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_Concat extends Twig_Node_Expression_Binary
{
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('.');
}
}

18
inc/lib/Twig/Node/Expression/Binary/Div.php
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@ -1,18 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_Div extends Twig_Node_Expression_Binary
{
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('/');
}
}

17
inc/lib/Twig/Node/Expression/Binary/Equal.php
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@ -1,17 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_Equal extends Twig_Node_Expression_Binary
{
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('==');
}
}

29
inc/lib/Twig/Node/Expression/Binary/FloorDiv.php
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@ -1,29 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_FloorDiv extends Twig_Node_Expression_Binary
{
/**
* Compiles the node to PHP.
*
* @param Twig_Compiler A Twig_Compiler instance
*/
public function compile(Twig_Compiler $compiler)
{
$compiler->raw('intval(floor(');
parent::compile($compiler);
$compiler->raw('))');
}
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('/');
}
}

17
inc/lib/Twig/Node/Expression/Binary/Greater.php
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@ -1,17 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_Greater extends Twig_Node_Expression_Binary
{
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('>');
}
}

17
inc/lib/Twig/Node/Expression/Binary/GreaterEqual.php
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@ -1,17 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_GreaterEqual extends Twig_Node_Expression_Binary
{
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('>=');
}
}

33
inc/lib/Twig/Node/Expression/Binary/In.php
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@ -1,33 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_In extends Twig_Node_Expression_Binary
{
/**
* Compiles the node to PHP.
*
* @param Twig_Compiler A Twig_Compiler instance
*/
public function compile(Twig_Compiler $compiler)
{
$compiler
->raw('twig_in_filter(')
->subcompile($this->getNode('left'))
->raw(', ')
->subcompile($this->getNode('right'))
->raw(')')
;
}
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('in');
}
}

17
inc/lib/Twig/Node/Expression/Binary/Less.php
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@ -1,17 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_Less extends Twig_Node_Expression_Binary
{
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('<');
}
}

17
inc/lib/Twig/Node/Expression/Binary/LessEqual.php
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@ -1,17 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_LessEqual extends Twig_Node_Expression_Binary
{
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('<=');
}
}

18
inc/lib/Twig/Node/Expression/Binary/Mod.php
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@ -1,18 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_Mod extends Twig_Node_Expression_Binary
{
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('%');
}
}

18
inc/lib/Twig/Node/Expression/Binary/Mul.php
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@ -1,18 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_Mul extends Twig_Node_Expression_Binary
{
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('*');
}
}

17
inc/lib/Twig/Node/Expression/Binary/NotEqual.php
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@ -1,17 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_NotEqual extends Twig_Node_Expression_Binary
{
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('!=');
}
}

33
inc/lib/Twig/Node/Expression/Binary/NotIn.php
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@ -1,33 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_NotIn extends Twig_Node_Expression_Binary
{
/**
* Compiles the node to PHP.
*
* @param Twig_Compiler A Twig_Compiler instance
*/
public function compile(Twig_Compiler $compiler)
{
$compiler
->raw('!twig_in_filter(')
->subcompile($this->getNode('left'))
->raw(', ')
->subcompile($this->getNode('right'))
->raw(')')
;
}
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('not in');
}
}

18
inc/lib/Twig/Node/Expression/Binary/Or.php
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@ -1,18 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_Or extends Twig_Node_Expression_Binary
{
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('||');
}
}

33
inc/lib/Twig/Node/Expression/Binary/Power.php
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@ -1,33 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_Power extends Twig_Node_Expression_Binary
{
/**
* Compiles the node to PHP.
*
* @param Twig_Compiler A Twig_Compiler instance
*/
public function compile(Twig_Compiler $compiler)
{
$compiler
->raw('pow(')
->subcompile($this->getNode('left'))
->raw(', ')
->subcompile($this->getNode('right'))
->raw(')')
;
}
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('**');
}
}

33
inc/lib/Twig/Node/Expression/Binary/Range.php
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@ -1,33 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_Range extends Twig_Node_Expression_Binary
{
/**
* Compiles the node to PHP.
*
* @param Twig_Compiler A Twig_Compiler instance
*/
public function compile(Twig_Compiler $compiler)
{
$compiler
->raw('range(')
->subcompile($this->getNode('left'))
->raw(', ')
->subcompile($this->getNode('right'))
->raw(')')
;
}
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('..');
}
}

18
inc/lib/Twig/Node/Expression/Binary/Sub.php
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@ -1,18 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Binary_Sub extends Twig_Node_Expression_Binary
{
public function operator(Twig_Compiler $compiler)
{
return $compiler->raw('-');
}
}

51
inc/lib/Twig/Node/Expression/BlockReference.php
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@ -1,51 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a block call node.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Node_Expression_BlockReference extends Twig_Node_Expression
{
public function __construct(Twig_NodeInterface $name, $asString = false, $lineno, $tag = null)
{
parent::__construct(array('name' => $name), array('as_string' => $asString, 'output' => false), $lineno, $tag);
}
/**
* Compiles the node to PHP.
*
* @param Twig_Compiler A Twig_Compiler instance
*/
public function compile(Twig_Compiler $compiler)
{
if ($this->getAttribute('as_string')) {
$compiler->raw('(string) ');
}
if ($this->getAttribute('output')) {
$compiler
->addDebugInfo($this)
->write("\$this->displayBlock(")
->subcompile($this->getNode('name'))
->raw(", \$context, \$blocks);\n")
;
} else {
$compiler
->raw("\$this->renderBlock(")
->subcompile($this->getNode('name'))
->raw(", \$context, \$blocks)")
;
}
}
}

178
inc/lib/Twig/Node/Expression/Call.php
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@ -1,178 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2012 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
abstract class Twig_Node_Expression_Call extends Twig_Node_Expression
{
protected function compileCallable(Twig_Compiler $compiler)
{
$callable = $this->getAttribute('callable');
$closingParenthesis = false;
if ($callable) {
if (is_string($callable)) {
$compiler->raw($callable);
} elseif (is_array($callable) && $callable[0] instanceof Twig_ExtensionInterface) {
$compiler->raw(sprintf('$this->env->getExtension(\'%s\')->%s', $callable[0]->getName(), $callable[1]));
} else {
$type = ucfirst($this->getAttribute('type'));
$compiler->raw(sprintf('call_user_func_array($this->env->get%s(\'%s\')->getCallable(), array', $type, $this->getAttribute('name')));
$closingParenthesis = true;
}
} else {
$compiler->raw($this->getAttribute('thing')->compile());
}
$this->compileArguments($compiler);
if ($closingParenthesis) {
$compiler->raw(')');
}
}
protected function compileArguments(Twig_Compiler $compiler)
{
$compiler->raw('(');
$first = true;
if ($this->hasAttribute('needs_environment') && $this->getAttribute('needs_environment')) {
$compiler->raw('$this->env');
$first = false;
}
if ($this->hasAttribute('needs_context') && $this->getAttribute('needs_context')) {
if (!$first) {
$compiler->raw(', ');
}
$compiler->raw('$context');
$first = false;
}
if ($this->hasAttribute('arguments')) {
foreach ($this->getAttribute('arguments') as $argument) {
if (!$first) {
$compiler->raw(', ');
}
$compiler->string($argument);
$first = false;
}
}
if ($this->hasNode('node')) {
if (!$first) {
$compiler->raw(', ');
}
$compiler->subcompile($this->getNode('node'));
$first = false;
}
if ($this->hasNode('arguments') && null !== $this->getNode('arguments')) {
$callable = $this->hasAttribute('callable') ? $this->getAttribute('callable') : null;
$arguments = $this->getArguments($callable, $this->getNode('arguments'));
foreach ($arguments as $node) {
if (!$first) {
$compiler->raw(', ');
}
$compiler->subcompile($node);
$first = false;
}
}
$compiler->raw(')');
}
protected function getArguments($callable, $arguments)
{
$parameters = array();
$named = false;
foreach ($arguments as $name => $node) {
if (!is_int($name)) {
$named = true;
$name = $this->normalizeName($name);
} elseif ($named) {
throw new Twig_Error_Syntax(sprintf('Positional arguments cannot be used after named arguments for %s "%s".', $this->getAttribute('type'), $this->getAttribute('name')));
}
$parameters[$name] = $node;
}
if (!$named) {
return $parameters;
}
if (!$callable) {
throw new LogicException(sprintf('Named arguments are not supported for %s "%s".', $this->getAttribute('type'), $this->getAttribute('name')));
}
// manage named arguments
if (is_array($callable)) {
$r = new ReflectionMethod($callable[0], $callable[1]);
} elseif (is_object($callable) && !$callable instanceof Closure) {
$r = new ReflectionObject($callable);
$r = $r->getMethod('__invoke');
} else {
$r = new ReflectionFunction($callable);
}
$definition = $r->getParameters();
if ($this->hasNode('node')) {
array_shift($definition);
}
if ($this->hasAttribute('needs_environment') && $this->getAttribute('needs_environment')) {
array_shift($definition);
}
if ($this->hasAttribute('needs_context') && $this->getAttribute('needs_context')) {
array_shift($definition);
}
if ($this->hasAttribute('arguments') && null !== $this->getAttribute('arguments')) {
foreach ($this->getAttribute('arguments') as $argument) {
array_shift($definition);
}
}
$arguments = array();
$pos = 0;
foreach ($definition as $param) {
$name = $this->normalizeName($param->name);
if (array_key_exists($name, $parameters)) {
if (array_key_exists($pos, $parameters)) {
throw new Twig_Error_Syntax(sprintf('Argument "%s" is defined twice for %s "%s".', $name, $this->getAttribute('type'), $this->getAttribute('name')));
}
$arguments[] = $parameters[$name];
unset($parameters[$name]);
} elseif (array_key_exists($pos, $parameters)) {
$arguments[] = $parameters[$pos];
unset($parameters[$pos]);
++$pos;
} elseif ($param->isDefaultValueAvailable()) {
$arguments[] = new Twig_Node_Expression_Constant($param->getDefaultValue(), -1);
} elseif ($param->isOptional()) {
break;
} else {
throw new Twig_Error_Syntax(sprintf('Value for argument "%s" is required for %s "%s".', $name, $this->getAttribute('type'), $this->getAttribute('name')));
}
}
if (!empty($parameters)) {
throw new Twig_Error_Syntax(sprintf('Unknown argument%s "%s" for %s "%s".', count($parameters) > 1 ? 's' : '' , implode('", "', array_keys($parameters)), $this->getAttribute('type'), $this->getAttribute('name')));
}
return $arguments;
}
protected function normalizeName($name)
{
return strtolower(preg_replace(array('/([A-Z]+)([A-Z][a-z])/', '/([a-z\d])([A-Z])/'), array('\\1_\\2', '\\1_\\2'), $name));
}
}

31
inc/lib/Twig/Node/Expression/Conditional.php
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@ -1,31 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Conditional extends Twig_Node_Expression
{
public function __construct(Twig_Node_Expression $expr1, Twig_Node_Expression $expr2, Twig_Node_Expression $expr3, $lineno)
{
parent::__construct(array('expr1' => $expr1, 'expr2' => $expr2, 'expr3' => $expr3), array(), $lineno);
}
public function compile(Twig_Compiler $compiler)
{
$compiler
->raw('((')
->subcompile($this->getNode('expr1'))
->raw(') ? (')
->subcompile($this->getNode('expr2'))
->raw(') : (')
->subcompile($this->getNode('expr3'))
->raw('))')
;
}
}

23
inc/lib/Twig/Node/Expression/Constant.php
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@ -1,23 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Constant extends Twig_Node_Expression
{
public function __construct($value, $lineno)
{
parent::__construct(array(), array('value' => $value), $lineno);
}
public function compile(Twig_Compiler $compiler)
{
$compiler->repr($this->getAttribute('value'));
}
}

33
inc/lib/Twig/Node/Expression/ExtensionReference.php
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@ -1,33 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents an extension call node.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Node_Expression_ExtensionReference extends Twig_Node_Expression
{
public function __construct($name, $lineno, $tag = null)
{
parent::__construct(array(), array('name' => $name), $lineno, $tag);
}
/**
* Compiles the node to PHP.
*
* @param Twig_Compiler A Twig_Compiler instance
*/
public function compile(Twig_Compiler $compiler)
{
$compiler->raw(sprintf("\$this->env->getExtension('%s')", $this->getAttribute('name')));
}
}

36
inc/lib/Twig/Node/Expression/Filter.php
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@ -1,36 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Filter extends Twig_Node_Expression_Call
{
public function __construct(Twig_NodeInterface $node, Twig_Node_Expression_Constant $filterName, Twig_NodeInterface $arguments, $lineno, $tag = null)
{
parent::__construct(array('node' => $node, 'filter' => $filterName, 'arguments' => $arguments), array(), $lineno, $tag);
}
public function compile(Twig_Compiler $compiler)
{
$name = $this->getNode('filter')->getAttribute('value');
$filter = $compiler->getEnvironment()->getFilter($name);
$this->setAttribute('name', $name);
$this->setAttribute('type', 'filter');
$this->setAttribute('thing', $filter);
$this->setAttribute('needs_environment', $filter->needsEnvironment());
$this->setAttribute('needs_context', $filter->needsContext());
$this->setAttribute('arguments', $filter->getArguments());
if ($filter instanceof Twig_FilterCallableInterface || $filter instanceof Twig_SimpleFilter) {
$this->setAttribute('callable', $filter->getCallable());
}
$this->compileCallable($compiler);
}
}

43
inc/lib/Twig/Node/Expression/Filter/Default.php
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@ -1,43 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2011 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Returns the value or the default value when it is undefined or empty.
*
* <pre>
* {{ var.foo|default('foo item on var is not defined') }}
* </pre>
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Node_Expression_Filter_Default extends Twig_Node_Expression_Filter
{
public function __construct(Twig_NodeInterface $node, Twig_Node_Expression_Constant $filterName, Twig_NodeInterface $arguments, $lineno, $tag = null)
{
$default = new Twig_Node_Expression_Filter($node, new Twig_Node_Expression_Constant('default', $node->getLine()), $arguments, $node->getLine());
if ('default' === $filterName->getAttribute('value') && ($node instanceof Twig_Node_Expression_Name || $node instanceof Twig_Node_Expression_GetAttr)) {
$test = new Twig_Node_Expression_Test_Defined(clone $node, 'defined', new Twig_Node(), $node->getLine());
$false = count($arguments) ? $arguments->getNode(0) : new Twig_Node_Expression_Constant('', $node->getLine());
$node = new Twig_Node_Expression_Conditional($test, $default, $false, $node->getLine());
} else {
$node = $default;
}
parent::__construct($node, $filterName, $arguments, $lineno, $tag);
}
public function compile(Twig_Compiler $compiler)
{
$compiler->subcompile($this->getNode('node'));
}
}

35
inc/lib/Twig/Node/Expression/Function.php
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@ -1,35 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Function extends Twig_Node_Expression_Call
{
public function __construct($name, Twig_NodeInterface $arguments, $lineno)
{
parent::__construct(array('arguments' => $arguments), array('name' => $name), $lineno);
}
public function compile(Twig_Compiler $compiler)
{
$name = $this->getAttribute('name');
$function = $compiler->getEnvironment()->getFunction($name);
$this->setAttribute('name', $name);
$this->setAttribute('type', 'function');
$this->setAttribute('thing', $function);
$this->setAttribute('needs_environment', $function->needsEnvironment());
$this->setAttribute('needs_context', $function->needsContext());
$this->setAttribute('arguments', $function->getArguments());
if ($function instanceof Twig_FunctionCallableInterface || $function instanceof Twig_SimpleFunction) {
$this->setAttribute('callable', $function->getCallable());
}
$this->compileCallable($compiler);
}
}

53
inc/lib/Twig/Node/Expression/GetAttr.php
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@ -1,53 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_GetAttr extends Twig_Node_Expression
{
public function __construct(Twig_Node_Expression $node, Twig_Node_Expression $attribute, Twig_Node_Expression_Array $arguments, $type, $lineno)
{
parent::__construct(array('node' => $node, 'attribute' => $attribute, 'arguments' => $arguments), array('type' => $type, 'is_defined_test' => false, 'ignore_strict_check' => false, 'disable_c_ext' => false), $lineno);
}
public function compile(Twig_Compiler $compiler)
{
if (function_exists('twig_template_get_attributes') && !$this->getAttribute('disable_c_ext')) {
$compiler->raw('twig_template_get_attributes($this, ');
} else {
$compiler->raw('$this->getAttribute(');
}
if ($this->getAttribute('ignore_strict_check')) {
$this->getNode('node')->setAttribute('ignore_strict_check', true);
}
$compiler->subcompile($this->getNode('node'));
$compiler->raw(', ')->subcompile($this->getNode('attribute'));
if (count($this->getNode('arguments')) || Twig_Template::ANY_CALL !== $this->getAttribute('type') || $this->getAttribute('is_defined_test') || $this->getAttribute('ignore_strict_check')) {
$compiler->raw(', ')->subcompile($this->getNode('arguments'));
if (Twig_Template::ANY_CALL !== $this->getAttribute('type') || $this->getAttribute('is_defined_test') || $this->getAttribute('ignore_strict_check')) {
$compiler->raw(', ')->repr($this->getAttribute('type'));
}
if ($this->getAttribute('is_defined_test') || $this->getAttribute('ignore_strict_check')) {
$compiler->raw(', '.($this->getAttribute('is_defined_test') ? 'true' : 'false'));
}
if ($this->getAttribute('ignore_strict_check')) {
$compiler->raw(', '.($this->getAttribute('ignore_strict_check') ? 'true' : 'false'));
}
}
$compiler->raw(')');
}
}

60
inc/lib/Twig/Node/Expression/MacroCall.php
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@ -1,60 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2012 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a macro call node.
*
* @author Martin Hasoň <martin.hason@gmail.com>
*/
class Twig_Node_Expression_MacroCall extends Twig_Node_Expression
{
public function __construct(Twig_Node_Expression $template, $name, Twig_Node_Expression_Array $arguments, $lineno)
{
parent::__construct(array('template' => $template, 'arguments' => $arguments), array('name' => $name), $lineno);
}
public function compile(Twig_Compiler $compiler)
{
$namedNames = array();
$namedCount = 0;
$positionalCount = 0;
foreach ($this->getNode('arguments')->getKeyValuePairs() as $pair) {
$name = $pair['key']->getAttribute('value');
if (!is_int($name)) {
$namedCount++;
$namedNames[$name] = 1;
} elseif ($namedCount > 0) {
throw new Twig_Error_Syntax(sprintf('Positional arguments cannot be used after named arguments for macro "%s".', $this->getAttribute('name')), $this->lineno);
} else {
$positionalCount++;
}
}
$compiler
->raw('$this->callMacro(')
->subcompile($this->getNode('template'))
->raw(', ')->repr($this->getAttribute('name'))
->raw(', ')->subcompile($this->getNode('arguments'))
;
if ($namedCount > 0) {
$compiler
->raw(', ')->repr($namedNames)
->raw(', ')->repr($namedCount)
->raw(', ')->repr($positionalCount)
;
}
$compiler
->raw(')')
;
}
}

41
inc/lib/Twig/Node/Expression/MethodCall.php
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@ -1,41 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2012 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_MethodCall extends Twig_Node_Expression
{
public function __construct(Twig_Node_Expression $node, $method, Twig_Node_Expression_Array $arguments, $lineno)
{
parent::__construct(array('node' => $node, 'arguments' => $arguments), array('method' => $method, 'safe' => false), $lineno);
if ($node instanceof Twig_Node_Expression_Name) {
$node->setAttribute('always_defined', true);
}
}
public function compile(Twig_Compiler $compiler)
{
$compiler
->subcompile($this->getNode('node'))
->raw('->')
->raw($this->getAttribute('method'))
->raw('(')
;
$first = true;
foreach ($this->getNode('arguments')->getKeyValuePairs() as $pair) {
if (!$first) {
$compiler->raw(', ');
}
$first = false;
$compiler->subcompile($pair['value']);
}
$compiler->raw(')');
}
}

88
inc/lib/Twig/Node/Expression/Name.php
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@ -1,88 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Name extends Twig_Node_Expression
{
protected $specialVars = array(
'_self' => '$this',
'_context' => '$context',
'_charset' => '$this->env->getCharset()',
);
public function __construct($name, $lineno)
{
parent::__construct(array(), array('name' => $name, 'is_defined_test' => false, 'ignore_strict_check' => false, 'always_defined' => false), $lineno);
}
public function compile(Twig_Compiler $compiler)
{
$name = $this->getAttribute('name');
if ($this->getAttribute('is_defined_test')) {
if ($this->isSpecial()) {
$compiler->repr(true);
} else {
$compiler->raw('array_key_exists(')->repr($name)->raw(', $context)');
}
} elseif ($this->isSpecial()) {
$compiler->raw($this->specialVars[$name]);
} elseif ($this->getAttribute('always_defined')) {
$compiler
->raw('$context[')
->string($name)
->raw(']')
;
} else {
// remove the non-PHP 5.4 version when PHP 5.3 support is dropped
// as the non-optimized version is just a workaround for slow ternary operator
// when the context has a lot of variables
if (version_compare(phpversion(), '5.4.0RC1', '>=')) {
// PHP 5.4 ternary operator performance was optimized
$compiler
->raw('(isset($context[')
->string($name)
->raw(']) ? $context[')
->string($name)
->raw('] : ')
;
if ($this->getAttribute('ignore_strict_check') || !$compiler->getEnvironment()->isStrictVariables()) {
$compiler->raw('null)');
} else {
$compiler->raw('$this->getContext($context, ')->string($name)->raw('))');
}
} else {
$compiler
->raw('$this->getContext($context, ')
->string($name)
;
if ($this->getAttribute('ignore_strict_check')) {
$compiler->raw(', true');
}
$compiler
->raw(')')
;
}
}
}
public function isSpecial()
{
return isset($this->specialVars[$this->getAttribute('name')]);
}
public function isSimple()
{
return !$this->isSpecial() && !$this->getAttribute('is_defined_test');
}
}

47
inc/lib/Twig/Node/Expression/Parent.php
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@ -1,47 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Represents a parent node.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Node_Expression_Parent extends Twig_Node_Expression
{
public function __construct($name, $lineno, $tag = null)
{
parent::__construct(array(), array('output' => false, 'name' => $name), $lineno, $tag);
}
/**
* Compiles the node to PHP.
*
* @param Twig_Compiler A Twig_Compiler instance
*/
public function compile(Twig_Compiler $compiler)
{
if ($this->getAttribute('output')) {
$compiler
->addDebugInfo($this)
->write("\$this->displayParentBlock(")
->string($this->getAttribute('name'))
->raw(", \$context, \$blocks);\n")
;
} else {
$compiler
->raw("\$this->renderParentBlock(")
->string($this->getAttribute('name'))
->raw(", \$context, \$blocks)")
;
}
}
}

26
inc/lib/Twig/Node/Expression/TempName.php
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@ -1,26 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2011 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_TempName extends Twig_Node_Expression
{
public function __construct($name, $lineno)
{
parent::__construct(array(), array('name' => $name), $lineno);
}
public function compile(Twig_Compiler $compiler)
{
$compiler
->raw('$_')
->raw($this->getAttribute('name'))
->raw('_')
;
}
}

32
inc/lib/Twig/Node/Expression/Test.php
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@ -1,32 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Test extends Twig_Node_Expression_Call
{
public function __construct(Twig_NodeInterface $node, $name, Twig_NodeInterface $arguments = null, $lineno)
{
parent::__construct(array('node' => $node, 'arguments' => $arguments), array('name' => $name), $lineno);
}
public function compile(Twig_Compiler $compiler)
{
$name = $this->getAttribute('name');
$test = $compiler->getEnvironment()->getTest($name);
$this->setAttribute('name', $name);
$this->setAttribute('type', 'test');
$this->setAttribute('thing', $test);
if ($test instanceof Twig_TestCallableInterface || $test instanceof Twig_SimpleTest) {
$this->setAttribute('callable', $test->getCallable());
}
$this->compileCallable($compiler);
}
}

46
inc/lib/Twig/Node/Expression/Test/Constant.php
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@ -1,46 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2011 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Checks if a variable is the exact same value as a constant.
*
* <pre>
* {% if post.status is constant('Post::PUBLISHED') %}
* the status attribute is exactly the same as Post::PUBLISHED
* {% endif %}
* </pre>
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Node_Expression_Test_Constant extends Twig_Node_Expression_Test
{
public function compile(Twig_Compiler $compiler)
{
$compiler
->raw('(')
->subcompile($this->getNode('node'))
->raw(' === constant(')
;
if ($this->getNode('arguments')->hasNode(1)) {
$compiler
->raw('get_class(')
->subcompile($this->getNode('arguments')->getNode(1))
->raw(')."::".')
;
}
$compiler
->subcompile($this->getNode('arguments')->getNode(0))
->raw('))')
;
}
}

54
inc/lib/Twig/Node/Expression/Test/Defined.php
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@ -1,54 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2011 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Checks if a variable is defined in the current context.
*
* <pre>
* {# defined works with variable names and variable attributes #}
* {% if foo is defined %}
* {# ... #}
* {% endif %}
* </pre>
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Node_Expression_Test_Defined extends Twig_Node_Expression_Test
{
public function __construct(Twig_NodeInterface $node, $name, Twig_NodeInterface $arguments = null, $lineno)
{
parent::__construct($node, $name, $arguments, $lineno);
if ($node instanceof Twig_Node_Expression_Name) {
$node->setAttribute('is_defined_test', true);
} elseif ($node instanceof Twig_Node_Expression_GetAttr) {
$node->setAttribute('is_defined_test', true);
$this->changeIgnoreStrictCheck($node);
} else {
throw new Twig_Error_Syntax('The "defined" test only works with simple variables', $this->getLine());
}
}
protected function changeIgnoreStrictCheck(Twig_Node_Expression_GetAttr $node)
{
$node->setAttribute('ignore_strict_check', true);
if ($node->getNode('node') instanceof Twig_Node_Expression_GetAttr) {
$this->changeIgnoreStrictCheck($node->getNode('node'));
}
}
public function compile(Twig_Compiler $compiler)
{
$compiler->subcompile($this->getNode('node'));
}
}

33
inc/lib/Twig/Node/Expression/Test/Divisibleby.php
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@ -1,33 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2011 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Checks if a variable is divisible by a number.
*
* <pre>
* {% if loop.index is divisibleby(3) %}
* </pre>
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Node_Expression_Test_Divisibleby extends Twig_Node_Expression_Test
{
public function compile(Twig_Compiler $compiler)
{
$compiler
->raw('(0 == ')
->subcompile($this->getNode('node'))
->raw(' % ')
->subcompile($this->getNode('arguments')->getNode(0))
->raw(')')
;
}
}

32
inc/lib/Twig/Node/Expression/Test/Even.php
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@ -1,32 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2011 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Checks if a number is even.
*
* <pre>
* {{ var is even }}
* </pre>
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Node_Expression_Test_Even extends Twig_Node_Expression_Test
{
public function compile(Twig_Compiler $compiler)
{
$compiler
->raw('(')
->subcompile($this->getNode('node'))
->raw(' % 2 == 0')
->raw(')')
;
}
}

31
inc/lib/Twig/Node/Expression/Test/Null.php
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@ -1,31 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) 2011 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Checks that a variable is null.
*
* <pre>
* {{ var is none }}
* </pre>
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Node_Expression_Test_Null extends Twig_Node_Expression_Test
{
public function compile(Twig_Compiler $compiler)
{
$compiler
->raw('(null === ')
->subcompile($this->getNode('node'))
->raw(')')
;
}
}

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