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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

/**
 * Parses string representations into their corresponding native PHP
 * variable type. The base implementation does a simple type-check.
 */
class HTMLPurifier_VarParser
{

const C_STRING = 1;
    const ISTRING = 2;
    const TEXT = 3;
    const ITEXT = 4;
    const C_INT = 5;
    const C_FLOAT = 6;
    const C_BOOL = 7;
    const LOOKUP = 8;
    const ALIST = 9;
    const HASH = 10;
    const C_MIXED = 11;

/**
     * Lookup table of allowed types. Mainly for backwards compatibility, but
     * also convenient for transforming string type names to the integer constants.
     */
    public static $types = array(
        'string' => self::C_STRING,
        'istring' => self::ISTRING,
        'text' => self::TEXT,
        'itext' => self::ITEXT,
        'int' => self::C_INT,
        'float' => self::C_FLOAT,
        'bool' => self::C_BOOL,
        'lookup' => self::LOOKUP,
        'list' => self::ALIST,
        'hash' => self::HASH,
        'mixed' => self::C_MIXED
    );

/**
     * Lookup table of types that are string, and can have aliases or
     * allowed value lists.
     */
    public static $stringTypes = array(
        self::C_STRING => true,
        self::ISTRING => true,
        self::TEXT => true,
        self::ITEXT => true,
    );

/**
     * Validate a variable according to type.
     * It may return NULL as a valid type if $allow_null is true.
     *
     * @param mixed $var Variable to validate
     * @param int $type Type of variable, see HTMLPurifier_VarParser->types
     * @param bool $allow_null Whether or not to permit null as a value
     * @return string Validated and type-coerced variable
     * @throws HTMLPurifier_VarParserException
     */
    final public function parse($var, $type, $allow_null = false)
    {
        if (is_string($type)) {
            if (!isset(HTMLPurifier_VarParser::$types[$type])) {
                throw new HTMLPurifier_VarParserException("Invalid type '$type'");
            } else {
                $type = HTMLPurifier_VarParser::$types[$type];
            }
        }
        $var = $this->parseImplementation($var, $type, $allow_null);
        if ($allow_null && $var === null) {
            return null;
        }
        // These are basic checks, to make sure nothing horribly wrong
        // happened in our implementations.
        switch ($type) {
            case (self::C_STRING):
            case (self::ISTRING):
            case (self::TEXT):
            case (self::ITEXT):
                if (!is_string($var)) {
                    break;
                }
                if ($type == self::ISTRING || $type == self::ITEXT) {
                    $var = strtolower($var);
                }
                return $var;
            case (self::C_INT):
                if (!is_int($var)) {
                    break;
                }
                return $var;
            case (self::C_FLOAT):
                if (!is_float($var)) {
                    break;
                }
                return $var;
            case (self::C_BOOL):
                if (!is_bool($var)) {
                    break;
                }
                return $var;
            case (self::LOOKUP):
            case (self::ALIST):
            case (self::HASH):
                if (!is_array($var)) {
                    break;
                }
                if ($type === self::LOOKUP) {
                    foreach ($var as $k) {
                        if ($k !== true) {
                            $this->error('Lookup table contains value other than true');
                        }
                    }
                } elseif ($type === self::ALIST) {
                    $keys = array_keys($var);
                    if (array_keys($keys) !== $keys) {
                        $this->error('Indices for list are not uniform');
                    }
                }
                return $var;
            case (self::C_MIXED):
                return $var;
            default:
                $this->errorInconsistent(get_class($this), $type);
        }
        $this->errorGeneric($var, $type);
    }

/**
     * Actually implements the parsing. Base implementation does not
     * do anything to $var. Subclasses should overload this!
     * @param mixed $var
     * @param int $type
     * @param bool $allow_null
     * @return string
     */
    protected function parseImplementation($var, $type, $allow_null)
    {
        return $var;
    }

/**
     * Throws an exception.
     * @throws HTMLPurifier_VarParserException
     */
    protected function error($msg)
    {
        throw new HTMLPurifier_VarParserException($msg);
    }

/**
     * Throws an inconsistency exception.
     * @note This should not ever be called. It would be called if we
     *       extend the allowed values of HTMLPurifier_VarParser without
     *       updating subclasses.
     * @param string $class
     * @param int $type
     * @throws HTMLPurifier_Exception
     */
    protected function errorInconsistent($class, $type)
    {
        throw new HTMLPurifier_Exception(
            "Inconsistency in $class: " . HTMLPurifier_VarParser::getTypeName($type) .
            " not implemented"
        );
    }

/**
     * Generic error for if a type didn't work.
     * @param mixed $var
     * @param int $type
     */
    protected function errorGeneric($var, $type)
    {
        $vtype = gettype($var);
        $this->error("Expected type " . HTMLPurifier_VarParser::getTypeName($type) . ", got $vtype");
    }

/**
     * @param int $type
     * @return string
     */
    public static function getTypeName($type)
    {
        static $lookup;
        if (!$lookup) {
            // Lazy load the alternative lookup table
            $lookup = array_flip(HTMLPurifier_VarParser::$types);
        }
        if (!isset($lookup[$type])) {
            return 'unknown';
        }
        return $lookup[$type];
    }
}

// vim: et sw=4 sts=4

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