Mike Macgirvin
346 lines
13 KiB
PHP
346 lines
13 KiB
PHP
<?php
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/**
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* Injector that auto paragraphs text in the root node based on
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* double-spacing.
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* @todo Ensure all states are unit tested, including variations as well.
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* @todo Make a graph of the flow control for this Injector.
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*/
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class HTMLPurifier_Injector_AutoParagraph extends HTMLPurifier_Injector
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{
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public $name = 'AutoParagraph';
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public $needed = array('p');
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private function _pStart() {
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$par = new HTMLPurifier_Token_Start('p');
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$par->armor['MakeWellFormed_TagClosedError'] = true;
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return $par;
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}
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public function handleText(&$token) {
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$text = $token->data;
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// Does the current parent allow <p> tags?
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if ($this->allowsElement('p')) {
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if (empty($this->currentNesting) || strpos($text, "\n\n") !== false) {
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// Note that we have differing behavior when dealing with text
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// in the anonymous root node, or a node inside the document.
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// If the text as a double-newline, the treatment is the same;
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// if it doesn't, see the next if-block if you're in the document.
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$i = $nesting = null;
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if (!$this->forwardUntilEndToken($i, $current, $nesting) && $token->is_whitespace) {
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// State 1.1: ... ^ (whitespace, then document end)
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// ----
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// This is a degenerate case
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} else {
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if (!$token->is_whitespace || $this->_isInline($current)) {
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// State 1.2: PAR1
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// ----
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// State 1.3: PAR1\n\nPAR2
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// ------------
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// State 1.4: <div>PAR1\n\nPAR2 (see State 2)
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// ------------
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$token = array($this->_pStart());
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$this->_splitText($text, $token);
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} else {
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// State 1.5: \n<hr />
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// --
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}
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}
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} else {
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// State 2: <div>PAR1... (similar to 1.4)
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// ----
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