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author | Klaus Weidenbach <Klaus.Weidenbach@gmx.net> | 2017-03-18 17:50:05 +0100 |
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committer | Klaus Weidenbach <Klaus.Weidenbach@gmx.net> | 2017-03-26 00:41:27 +0100 |
commit | f718e2b0db0fe3477212a8dd6c3ec067f4432862 (patch) | |
tree | 8dfbd3b3d4bdcd967b50f1ee4655440bcdef5bb8 /vendor/ezyang/htmlpurifier/library/HTMLPurifier/Arborize.php | |
parent | 2115eb26a7fd2ca937286bd4e98ab74c7d6e9525 (diff) | |
download | volse-hubzilla-f718e2b0db0fe3477212a8dd6c3ec067f4432862.tar.gz volse-hubzilla-f718e2b0db0fe3477212a8dd6c3ec067f4432862.tar.bz2 volse-hubzilla-f718e2b0db0fe3477212a8dd6c3ec067f4432862.zip |
:arrow_up: Update HTML Purifier library.
Updated HTML Purifier from 4.6.0 to 4.9.2 with better PHP7 compatibility.
Used composer to manage this library.
Diffstat (limited to 'vendor/ezyang/htmlpurifier/library/HTMLPurifier/Arborize.php')
-rw-r--r-- | vendor/ezyang/htmlpurifier/library/HTMLPurifier/Arborize.php | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Arborize.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Arborize.php new file mode 100644 index 000000000..d2e9d22a2 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Arborize.php @@ -0,0 +1,71 @@ +<?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; + } +} |