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PATH: home / lab2454c / healthvalidate.com / vendor / ezyang / htmlpurifier / library / HTMLPurifier

<?php

/**
 * Converts a stream of HTMLPurifier_Token into an HTMLPurifier_Node,
 * and back again.
 *
 * @note This transformation is not an equivalence.  We mutate the input
 * token stream to make it so; see all [MUT] markers in code.
 */
class HTMLPurifier_Arborize
{
    public static function arborize($tokens, $config, $context) {
        $definition = $config->getHTMLDefinition();
        $parent = new HTMLPurifier_Token_Start($definition->info_parent);
        $stack = array($parent->toNode());
        foreach ($tokens as $token) {
            $token->skip = null; // [MUT]
            $token->carryover = null; // [MUT]
            if ($token instanceof HTMLPurifier_Token_End) {
                $token->start = null; // [MUT]
                $r = array_pop($stack);
                //assert($r->name === $token->name);
                //assert(empty($token->attr));
                $r->endCol = $token->col;
                $r->endLine = $token->line;
                $r->endArmor = $token->armor;
                continue;
            }
            $node = $token->toNode();
            $stack[count($stack)-1]->children[] = $node;
            if ($token instanceof HTMLPurifier_Token_Start) {
                $stack[] = $node;
            }
        }
        //assert(count($stack) == 1);
        return $stack[0];
    }

public static function flatten($node, $config, $context) {
        $level = 0;
        $nodes = array($level => new HTMLPurifier_Queue(array($node)));
        $closingTokens = array();
        $tokens = array();
        do {
            while (!$nodes[$level]->isEmpty()) {
                $node = $nodes[$level]->shift(); // FIFO
                list($start, $end) = $node->toTokenPair();
                if ($level > 0) {
                    $tokens[] = $start;
                }
                if ($end !== NULL) {
                    $closingTokens[$level][] = $end;
                }
                if ($node instanceof HTMLPurifier_Node_Element) {
                    $level++;
                    $nodes[$level] = new HTMLPurifier_Queue();
                    foreach ($node->children as $childNode) {
                        $nodes[$level]->push($childNode);
                    }
                }
            }
            $level--;
            if ($level && isset($closingTokens[$level])) {
                while ($token = array_pop($closingTokens[$level])) {
                    $tokens[] = $token;
                }
            }
        } while ($level > 0);
        return $tokens;
    }
}

[+] Injector
[-] CSSDefinition.php [edit]
[+] URIScheme
[-] TagTransform.php [edit]
[+] DefinitionCache
[+] HTMLModule
[-] Filter.php [edit]
[-] Language.php [edit]
[+] VarParser
[-] ChildDef.php [edit]
[-] TokenFactory.php [edit]
[-] Printer.php [edit]
[+] Lexer
[-] Context.php [edit]
[+] ..
[+] URIFilter
[-] Encoder.php [edit]
[+] Strategy
[-] Config.php [edit]
[-] DefinitionCacheFactory.php [edit]
[-] Definition.php [edit]
[-] PropertyList.php [edit]
[-] AttrCollections.php [edit]
[-] EntityLookup.php [edit]
[-] LanguageFactory.php [edit]
[-] UnitConverter.php [edit]
[-] Bootstrap.php [edit]
[+] ChildDef
[-] Node.php [edit]
[-] URIDefinition.php [edit]
[-] Length.php [edit]
[+] AttrDef
[-] ElementDef.php [edit]
[-] Injector.php [edit]
[+] ConfigSchema
[-] EntityParser.php [edit]
[-] Token.php [edit]
[-] StringHash.php [edit]
[-] AttrDef.php [edit]
[+] Filter
[-] IDAccumulator.php [edit]
[-] ErrorStruct.php [edit]
[-] HTMLDefinition.php [edit]
[-] StringHashParser.php [edit]
[-] Queue.php [edit]
[-] ErrorCollector.php [edit]
[-] URIParser.php [edit]
[-] URI.php [edit]
[-] ConfigSchema.php [edit]
[-] ContentSets.php [edit]
[-] Doctype.php [edit]
[-] AttrValidator.php [edit]
[-] URIScheme.php [edit]
[-] PropertyListIterator.php [edit]
[-] HTMLModuleManager.php [edit]
[-] Strategy.php [edit]
[-] DefinitionCache.php [edit]
[-] Generator.php [edit]
[-] PercentEncoder.php [edit]
[+] Printer
[-] AttrTransform.php [edit]
[-] Exception.php [edit]
[-] URIFilter.php [edit]
[-] VarParserException.php [edit]
[-] AttrTypes.php [edit]
[+] Token
[+] TagTransform
[+] Language
[+] EntityLookup
[-] Arborize.php [edit]
[-] Lexer.php [edit]
[-] DoctypeRegistry.php [edit]
[+] AttrTransform
[+] Node
[-] URISchemeRegistry.php [edit]
[-] VarParser.php [edit]
[-] HTMLModule.php [edit]
[-] Zipper.php [edit]