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Directory >> /var/www/html/back/vendor/ezyang/htmlpurifier/library/HTMLPurifier/

File / Folder	Size	Action
.	-
AttrDef	--	ren
AttrTransform	--	ren
ChildDef	--	ren
ConfigSchema	--	ren
DefinitionCache	--	ren
EntityLookup	--	ren
Filter	--	ren
HTMLModule	--	ren
Injector	--	ren
Language	--	ren
Lexer	--	ren
Node	--	ren
Printer	--	ren
Strategy	--	ren
TagTransform	--	ren
Token	--	ren
URIFilter	--	ren
URIScheme	--	ren
VarParser	--	ren
Arborize.php	2.49KB	edt ren
AttrCollections.php	4.748KB	edt ren
AttrDef.php	5.073KB	edt ren
AttrTransform.php	1.942KB	edt ren
AttrTypes.php	3.662KB	edt ren
AttrValidator.php	6.419KB	edt ren
Bootstrap.php	2.637KB	edt ren
CSSDefinition.php	19.489KB	edt ren
ChildDef.php	1.522KB	edt ren
Config.php	31.065KB	edt ren
ConfigSchema.php	5.757KB	edt ren
ContentSets.php	5.473KB	edt ren
Context.php	2.363KB	edt ren
Definition.php	1.329KB	edt ren
DefinitionCache.php	3.821KB	edt ren
DefinitionCacheFactory.php	3.119KB	edt ren
Doctype.php	1.545KB	edt ren
DoctypeRegistry.php	4.117KB	edt ren
ElementDef.php	7.354KB	edt ren
Encoder.php	25.106KB	edt ren
EntityLookup.php	1.393KB	edt ren
EntityParser.php	9.801KB	edt ren
ErrorCollector.php	7.446KB	edt ren
ErrorStruct.php	1.849KB	edt ren
Exception.php	0.173KB	edt ren
Filter.php	1.587KB	edt ren
Generator.php	10.012KB	edt ren
HTMLDefinition.php	17.166KB	edt ren
HTMLModule.php	9.956KB	edt ren
HTMLModuleManager.php	15.469KB	edt ren
IDAccumulator.php	1.608KB	edt ren
Injector.php	8.795KB	edt ren
Language.php	5.92KB	edt ren
LanguageFactory.php	6.298KB	edt ren
Length.php	3.801KB	edt ren
Lexer.php	12.711KB	edt ren
Node.php	1.25KB	edt ren
PercentEncoder.php	3.481KB	edt ren
Printer.php	5.759KB	edt ren
PropertyList.php	2.718KB	edt ren
PropertyListIterator.php	0.873KB	edt ren
Queue.php	1.515KB	edt ren
Strategy.php	0.744KB	edt ren
StringHash.php	1.073KB	edt ren
StringHashParser.php	3.556KB	edt ren
TagTransform.php	1.072KB	edt ren
Token.php	2.173KB	edt ren
TokenFactory.php	3.026KB	edt ren
URI.php	10.367KB	edt ren
URIDefinition.php	3.35KB	edt ren
URIFilter.php	2.31KB	edt ren
URIParser.php	2.24KB	edt ren
URIScheme.php	3.399KB	edt ren
URISchemeRegistry.php	2.353KB	edt ren
UnitConverter.php	9.908KB	edt ren
VarParser.php	5.85KB	edt ren
VarParserException.php	0.153KB	edt ren
Zipper.php	4.338KB	edt ren

<?php

/**
 * @todo Unit test
 */
class HTMLPurifier_ContentSets
{

/**
     * List of content set strings (pipe separators) indexed by name.
     * @type array
     */
    public $info = array();

/**
     * List of content set lookups (element => true) indexed by name.
     * @type array
     * @note This is in HTMLPurifier_HTMLDefinition->info_content_sets
     */
    public $lookup = array();

/**
     * Synchronized list of defined content sets (keys of info).
     * @type array
     */
    protected $keys = array();
    /**
     * Synchronized list of defined content values (values of info).
     * @type array
     */
    protected $values = array();

/**
     * Merges in module's content sets, expands identifiers in the content
     * sets and populates the keys, values and lookup member variables.
     * @param HTMLPurifier_HTMLModule[] $modules List of HTMLPurifier_HTMLModule
     */
    public function __construct($modules)
    {
        if (!is_array($modules)) {
            $modules = array($modules);
        }
        // populate content_sets based on module hints
        // sorry, no way of overloading
        foreach ($modules as $module) {
            foreach ($module->content_sets as $key => $value) {
                $temp = $this->convertToLookup($value);
                if (isset($this->lookup[$key])) {
                    // add it into the existing content set
                    $this->lookup[$key] = array_merge($this->lookup[$key], $temp);
                } else {
                    $this->lookup[$key] = $temp;
                }
            }
        }
        $old_lookup = false;
        while ($old_lookup !== $this->lookup) {
            $old_lookup = $this->lookup;
            foreach ($this->lookup as $i => $set) {
                $add = array();
                foreach ($set as $element => $x) {
                    if (isset($this->lookup[$element])) {
                        $add += $this->lookup[$element];
                        unset($this->lookup[$i][$element]);
                    }
                }
                $this->lookup[$i] += $add;
            }
        }

foreach ($this->lookup as $key => $lookup) {
            $this->info[$key] = implode(' | ', array_keys($lookup));
        }
        $this->keys   = array_keys($this->info);
        $this->values = array_values($this->info);
    }

/**
     * Accepts a definition; generates and assigns a ChildDef for it
     * @param HTMLPurifier_ElementDef $def HTMLPurifier_ElementDef reference
     * @param HTMLPurifier_HTMLModule $module Module that defined the ElementDef
     */
    public function generateChildDef(&$def, $module)
    {
        if (!empty($def->child)) { // already done!
            return;
        }
        $content_model = $def->content_model;
        if (is_string($content_model)) {
            // Assume that $this->keys is alphanumeric
            $def->content_model = preg_replace_callback(
                '/\b(' . implode('|', $this->keys) . ')\b/',
                array($this, 'generateChildDefCallback'),
                $content_model
            );
            //$def->content_model = str_replace(
            //    $this->keys, $this->values, $content_model);
        }
        $def->child = $this->getChildDef($def, $module);
    }

public function generateChildDefCallback($matches)
    {
        return $this->info[$matches[0]];
    }

/**
     * Instantiates a ChildDef based on content_model and content_model_type
     * member variables in HTMLPurifier_ElementDef
     * @note This will also defer to modules for custom HTMLPurifier_ChildDef
     *       subclasses that need content set expansion
     * @param HTMLPurifier_ElementDef $def HTMLPurifier_ElementDef to have ChildDef extracted
     * @param HTMLPurifier_HTMLModule $module Module that defined the ElementDef
     * @return HTMLPurifier_ChildDef corresponding to ElementDef
     */
    public function getChildDef($def, $module)
    {
        $value = $def->content_model;
        if (is_object($value)) {
            trigger_error(
                'Literal object child definitions should be stored in '.
                'ElementDef->child not ElementDef->content_model',
                E_USER_NOTICE
            );
            return $value;
        }
        switch ($def->content_model_type) {
            case 'required':
                return new HTMLPurifier_ChildDef_Required($value);
            case 'optional':
                return new HTMLPurifier_ChildDef_Optional($value);
            case 'empty':
                return new HTMLPurifier_ChildDef_Empty();
            case 'custom':
                return new HTMLPurifier_ChildDef_Custom($value);
        }
        // defer to its module
        $return = false;
        if ($module->defines_child_def) { // save a func call
            $return = $module->getChildDef($def);
        }
        if ($return !== false) {
            return $return;
        }

throw new Exception(
            'Could not determine which ChildDef class to instantiate',
            E_USER_ERROR
        );
    }

/**
     * Converts a string list of elements separated by pipes into
     * a lookup array.
     * @param string $string List of elements
     * @return array Lookup array of elements
     */
    protected function convertToLookup($string)
    {
        $array = explode('|', str_replace(' ', '', $string));
        $ret = array();
        foreach ($array as $k) {
            $ret[$k] = true;
        }
        return $ret;
    }
}

// vim: et sw=4 sts=4

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