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authorKlaus <Klaus.Weidenbach@gmx.net>2017-03-27 21:39:02 +0200
committerGitHub <noreply@github.com>2017-03-27 21:39:02 +0200
commit6375401e0af6c52d151dd2b944aa6a054b8ddc05 (patch)
tree982ab84421ffa8ee2c48f38cc2d1eef11853dbf6 /library/HTMLPurifier/Arborize.php
parentb6b62506c5f4ed5bc354d548702538bda36aff36 (diff)
parentf718e2b0db0fe3477212a8dd6c3ec067f4432862 (diff)
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Merge pull request #701 from dawnbreak/HTMLpurifier
HTMLPurifier library update
Diffstat (limited to 'library/HTMLPurifier/Arborize.php')
-rw-r--r--library/HTMLPurifier/Arborize.php71
1 files changed, 0 insertions, 71 deletions
diff --git a/library/HTMLPurifier/Arborize.php b/library/HTMLPurifier/Arborize.php
deleted file mode 100644
index 9e6617be5..000000000
--- a/library/HTMLPurifier/Arborize.php
+++ /dev/null
@@ -1,71 +0,0 @@
-<?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;
- }
-}