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MDL-51521 lib: Import latest PHPExcel 1.8.1

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This commit is contained in:
Cameron Ball
2015-09-29 13:23:52 +08:00
parent fd57d685c7
commit c9fd90d4a2
199 changed files with 77927 additions and 71039 deletions
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112
lib/phpexcel/PHPExcel/CachedObjectStorageFactory.php
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@@ -1,9 +1,9 @@
<?php
/**
* PHPExcel
* PHPExcel_CachedObjectStorageFactory
*
* Copyright (c) 2006 - 2014 PHPExcel
* Copyright (c) 2006 - 2015 PHPExcel
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@@ -21,19 +21,10 @@
*
* @category PHPExcel
* @package PHPExcel_CachedObjectStorage
* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
* @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
* @version ##VERSION##, ##DATE##
*/
/**
* PHPExcel_CachedObjectStorageFactory
*
* @category PHPExcel
* @package PHPExcel_CachedObjectStorage
* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
*/
class PHPExcel_CachedObjectStorageFactory
{
const cache_in_memory = 'Memory';
@@ -48,28 +39,26 @@ class PHPExcel_CachedObjectStorageFactory
const cache_to_sqlite = 'SQLite';
const cache_to_sqlite3 = 'SQLite3';
/**
* Name of the method used for cell cacheing
*
* @var string
*/
private static $_cacheStorageMethod = NULL;
private static $cacheStorageMethod = null;
/**
* Name of the class used for cell cacheing
*
* @var string
*/
private static $_cacheStorageClass = NULL;
private static $cacheStorageClass = null;
/**
* List of all possible cache storage methods
*
* @var string[]
*/
private static $_storageMethods = array(
private static $storageMethods = array(
self::cache_in_memory,
self::cache_in_memory_gzip,
self::cache_in_memory_serialized,
@@ -83,13 +72,12 @@ class PHPExcel_CachedObjectStorageFactory
self::cache_to_sqlite3,
);
/**
* Default arguments for each cache storage method
*
* @var array of mixed array
*/
private static $_storageMethodDefaultParameters = array(
private static $storageMethodDefaultParameters = array(
self::cache_in_memory => array(
),
self::cache_in_memory_gzip => array(
@@ -100,7 +88,7 @@ class PHPExcel_CachedObjectStorageFactory
),
self::cache_to_phpTemp => array( 'memoryCacheSize' => '1MB'
),
self::cache_to_discISAM => array( 'dir' => NULL
self::cache_to_discISAM => array( 'dir' => null
),
self::cache_to_apc => array( 'cacheTime' => 600
),
@@ -116,36 +104,32 @@ class PHPExcel_CachedObjectStorageFactory
),
);
/**
* Arguments for the active cache storage method
*
* @var array of mixed array
*/
private static $_storageMethodParameters = array();
private static $storageMethodParameters = array();
/**
* Return the current cache storage method
*
* @return string|NULL
* @return string|null
**/
public static function getCacheStorageMethod()
{
return self::$_cacheStorageMethod;
} // function getCacheStorageMethod()
return self::$cacheStorageMethod;
}
/**
* Return the current cache storage class
*
* @return PHPExcel_CachedObjectStorage_ICache|NULL
* @return PHPExcel_CachedObjectStorage_ICache|null
**/
public static function getCacheStorageClass()
{
return self::$_cacheStorageClass;
} // function getCacheStorageClass()
return self::$cacheStorageClass;
}
/**
* Return the list of all possible cache storage methods
@@ -154,9 +138,8 @@ class PHPExcel_CachedObjectStorageFactory
**/
public static function getAllCacheStorageMethods()
{
return self::$_storageMethods;
} // function getCacheStorageMethods()
return self::$storageMethods;
}
/**
* Return the list of all available cache storage methods
@@ -166,15 +149,14 @@ class PHPExcel_CachedObjectStorageFactory
public static function getCacheStorageMethods()
{
$activeMethods = array();
foreach(self::$_storageMethods as $storageMethod) {
foreach (self::$storageMethods as $storageMethod) {
$cacheStorageClass = 'PHPExcel_CachedObjectStorage_' . $storageMethod;
if (call_user_func(array($cacheStorageClass, 'cacheMethodIsAvailable'))) {
$activeMethods[] = $storageMethod;
}
}
return $activeMethods;
} // function getCacheStorageMethods()
}
/**
* Identify the cache storage method to use
@@ -186,30 +168,29 @@ class PHPExcel_CachedObjectStorageFactory
**/
public static function initialize($method = self::cache_in_memory, $arguments = array())
{
if (!in_array($method,self::$_storageMethods)) {
return FALSE;
if (!in_array($method, self::$storageMethods)) {
return false;
}
$cacheStorageClass = 'PHPExcel_CachedObjectStorage_'.$method;
if (!call_user_func(array( $cacheStorageClass,
'cacheMethodIsAvailable'))) {
return FALSE;
return false;
}
self::$_storageMethodParameters[$method] = self::$_storageMethodDefaultParameters[$method];
foreach($arguments as $k => $v) {
if (array_key_exists($k, self::$_storageMethodParameters[$method])) {
self::$_storageMethodParameters[$method][$k] = $v;
self::$storageMethodParameters[$method] = self::$storageMethodDefaultParameters[$method];
foreach ($arguments as $k => $v) {
if (array_key_exists($k, self::$storageMethodParameters[$method])) {
self::$storageMethodParameters[$method][$k] = $v;
}
}
if (self::$_cacheStorageMethod === NULL) {
self::$_cacheStorageClass = 'PHPExcel_CachedObjectStorage_' . $method;
self::$_cacheStorageMethod = $method;
if (self::$cacheStorageMethod === null) {
self::$cacheStorageClass = 'PHPExcel_CachedObjectStorage_' . $method;
self::$cacheStorageMethod = $method;
}
return TRUE;
} // function initialize()
return true;
}
/**
* Initialise the cache storage
@@ -219,33 +200,32 @@ class PHPExcel_CachedObjectStorageFactory
**/
public static function getInstance(PHPExcel_Worksheet $parent)
{
$cacheMethodIsAvailable = TRUE;
if (self::$_cacheStorageMethod === NULL) {
$cacheMethodIsAvailable = true;
if (self::$cacheStorageMethod === null) {
$cacheMethodIsAvailable = self::initialize();
}
if ($cacheMethodIsAvailable) {
$instance = new self::$_cacheStorageClass( $parent,
self::$_storageMethodParameters[self::$_cacheStorageMethod]
);
if ($instance !== NULL) {
$instance = new self::$cacheStorageClass(
$parent,
self::$storageMethodParameters[self::$cacheStorageMethod]
);
if ($instance !== null) {
return $instance;
}
}
return FALSE;
} // function getInstance()
return false;
}
/**
* Clear the cache storage
*
**/
public static function finalize()
{
self::$_cacheStorageMethod = NULL;
self::$_cacheStorageClass = NULL;
self::$_storageMethodParameters = array();
}
public static function finalize()
{
self::$cacheStorageMethod = null;
self::$cacheStorageClass = null;
self::$storageMethodParameters = array();
}
}