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[3.1.0] Move ConfigSchema to HTMLPurifier core

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1576 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
2008-02-24 06:19:28 +00:00
parent d3c04de9dc
commit 002fe649f7
19 changed files with 43 additions and 55 deletions
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89
library/HTMLPurifier/ConfigSchema/StringHashAdapter.php Normal file
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<?php
/**
* Takes an array of keys to strings, probably generated by
* HTMLPurifier_ConfigSchema_StringHashParser
*/
class HTMLPurifier_ConfigSchema_StringHashAdapter
{
/**
* Takes a string hash and calls the appropriate functions in $schema
* based on its values.
*/
public function adapt($hash, $schema) {
if (! $hash instanceof HTMLPurifier_ConfigSchema_StringHash) {
$hash = new HTMLPurifier_ConfigSchema_StringHash($hash);
}
if (!isset($hash['ID'])) {
trigger_error('Missing key ID in string hash');
return;
}
// Check namespace:
if (strpos($hash['ID'], '.') === false) {
// This will cause problems if we decide to support nested
// namespaces, but for now it's ok.
$schema->addNamespace($hash->offsetGet('ID'), $hash->offsetGet('DESCRIPTION'));
$this->_findUnused($hash);
return;
}
list($ns, $directive) = explode('.', $hash->offsetGet('ID'), 2);
if (isset($hash['TYPE'], $hash['DEFAULT'], $hash['DESCRIPTION'])) {
$type = $hash->offsetGet('TYPE');
$raw_default = $hash->offsetGet('DEFAULT');
$default = eval("return $raw_default;");
$description = $hash->offsetGet('DESCRIPTION');
$schema->add($ns, $directive, $default, $type, $description);
}
if (isset($hash['ALLOWED'])) {
$raw_allowed = $hash->offsetGet('ALLOWED');
$allowed = eval("return array($raw_allowed);");
$schema->addAllowedValues($ns, $directive, $allowed);
}
// This must be after ALLOWED
if (isset($hash['VALUE-ALIASES'])) {
$raw_value_aliases = $hash->offsetGet('VALUE-ALIASES');
$value_aliases = eval("return array($raw_value_aliases);");
$schema->addValueAliases($ns, $directive, $value_aliases);
}
if (isset($hash['ALIASES'])) {
$raw_aliases = trim($hash->offsetGet('ALIASES'));
$aliases = preg_split('/\s*,\s*/', $raw_aliases);
foreach ($aliases as $alias) {
list($alias_ns, $alias_directive) = explode('.', $alias, 2);
$schema->addAlias($alias_ns, $alias_directive, $ns, $directive);
}
}
// We don't use these yet, but there being used
if (isset($hash['VERSION'])) $hash->offsetGet('VERSION');
if (isset($hash['DEPRECATED-USE'])) $hash->offsetGet('DEPRECATED-USE');
if (isset($hash['DEPRECATED-VERSION'])) $hash->offsetGet('DEPRECATED-VERSION');
$this->_findUnused($hash);
}
/**
* Triggers errors for any unused keys passed in the hash; such keys
* may indicate typos, missing values, etc.
* @param $hash Instance of ConfigSchema_StringHash to check.
*/
protected function _findUnused($hash) {
$accessed = $hash->getAccessed();
foreach ($hash as $k => $v) {
if (!isset($accessed[$k])) {
trigger_error("String hash key '$k' not used by adapter", E_USER_NOTICE);
}
}
}
}