mirror of
https://github.com/ezyang/htmlpurifier.git
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70 lines
2.4 KiB
PHP
70 lines
2.4 KiB
PHP
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<?php
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require_once 'HTMLPurifier/ChildDef/Required.php';
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/**
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* Takes the contents of blockquote when in strict and reformats for validation.
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*
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* From XHTML 1.0 Transitional to Strict, there is a notable change where
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*/
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class HTMLPurifier_ChildDef_StrictBlockquote
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extends HTMLPurifier_ChildDef_Required
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{
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var $allow_empty = true;
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var $type = 'strictblockquote';
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var $init = false;
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function HTMLPurifier_ChildDef_StrictBlockquote() {}
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function validateChildren($tokens_of_children, $config, &$context) {
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$def = $config->getHTMLDefinition();
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if (!$this->init) {
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// allow all inline elements
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$this->elements = $def->info_flow_elements;
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$this->elements['#PCDATA'] = true;
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$this->init = true;
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}
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$result = parent::validateChildren($tokens_of_children, $config, $context);
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if ($result === false) return array();
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if ($result === true) $result = $tokens_of_children;
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$block_wrap_start = new HTMLPurifier_Token_Start($def->info_block_wrapper);
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$block_wrap_end = new HTMLPurifier_Token_End( $def->info_block_wrapper);
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$is_inline = false;
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$depth = 0;
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$ret = array();
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// assuming that there are no comment tokens
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foreach ($result as $i => $token) {
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$token = $result[$i];
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// ifs are nested for readability
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if (!$is_inline) {
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if (!$depth) {
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if (($token->type == 'text') ||
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($def->info[$token->name]->type == 'inline')) {
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$is_inline = true;
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$ret[] = $block_wrap_start;
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}
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}
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} else {
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if (!$depth) {
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// starting tokens have been inline text / empty
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if ($token->type == 'start' || $token->type == 'empty') {
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if ($def->info[$token->name]->type == 'block') {
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// ended
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$ret[] = $block_wrap_end;
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$is_inline = false;
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}
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}
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}
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}
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$ret[] = $token;
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if ($token->type == 'start') $depth++;
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if ($token->type == 'end') $depth--;
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}
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if ($is_inline) $ret[] = $block_wrap_end;
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return $ret;
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}
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}
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?>
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