115 lines
3.8 KiB
PHP
115 lines
3.8 KiB
PHP
<?php
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/**
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* Plugin Color: Sets new colors for text and background.
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*
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* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
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* @author Christopher Smith <chris@jalakai.co.uk>
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*/
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// must be run within DokuWiki
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if(!defined('DOKU_INC')) die();
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/**
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* All DokuWiki plugins to extend the parser/rendering mechanism
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* need to inherit from this class
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*/
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class syntax_plugin_color extends DokuWiki_Syntax_Plugin {
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function getType(){ return 'formatting'; }
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function getAllowedTypes() { return array('formatting', 'substition', 'disabled'); }
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function getSort(){ return 158; }
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function connectTo($mode) { $this->Lexer->addEntryPattern('<color.*?>(?=.*?</color>)',$mode,'plugin_color'); }
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function postConnect() { $this->Lexer->addExitPattern('</color>','plugin_color'); }
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/**
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* Handle the match
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*/
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function handle($match, $state, $pos, Doku_Handler $handler){
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switch ($state) {
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case DOKU_LEXER_ENTER :
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$str = substr($match, 6, -1);
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if (false === strpbrk($str,':')){
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$m = explode('/', $str);
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} else {
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$m = explode(':', $str);
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}
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$color = $this->_specToCSS('color', $m[0]);
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$background = $this->_specToCSS('background-color',
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isset($m[1]) ? $m[1] : null);
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return [$state, [$color, $background]];
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case DOKU_LEXER_UNMATCHED : return array($state, $match);
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case DOKU_LEXER_EXIT : return array($state, '');
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}
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return array();
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}
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/**
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* Create output
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*/
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function render($mode, Doku_Renderer $renderer, $data) {
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if($mode == 'xhtml'){
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list($state, $match) = $data;
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switch ($state) {
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case DOKU_LEXER_ENTER :
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list($color, $background) = $match;
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$renderer->doc .= "<span style='$color $background'>";
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break;
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case DOKU_LEXER_UNMATCHED : $renderer->doc .= $renderer->_xmlEntities($match); break;
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case DOKU_LEXER_EXIT : $renderer->doc .= "</span>"; break;
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}
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return true;
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}
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if($mode == 'odt'){
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list($state, $match) = $data;
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switch ($state) {
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case DOKU_LEXER_ENTER :
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list($color, $background) = $match;
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if (class_exists('ODTDocument')) {
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$renderer->_odtSpanOpenUseCSS (NULL, 'style="'.$color.$background.'"');
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}
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break;
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case DOKU_LEXER_UNMATCHED :
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$renderer->cdata($match);
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break;
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case DOKU_LEXER_EXIT :
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if (class_exists('ODTDocument')) {
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$renderer->_odtSpanClose();
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}
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break;
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}
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return true;
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}
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if($mode == 'metadata'){
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list($state, $match) = $data;
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switch ($state) {
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case DOKU_LEXER_UNMATCHED :
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if ($renderer->capture) $renderer->cdata($match);
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break;
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}
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return true;
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}
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return false;
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}
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// Build a CSS attribute:value pair.
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function _specToCSS($attrib, $c) {
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$c = trim($c);
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return ((!empty($c) &&
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$this->_isValid($c)) ? $attrib.':'.$c.';'
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: null);
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}
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// validate color value $c
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// this is cut price validation - only to ensure there is nothing harmful
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// just ensure that no illegal characters are included therein
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// leave it to the browsers to ignore a faulty colour specification
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function _isValid($c) {
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return (false === strpbrk($c, '"\'<>&;'));
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}
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}
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?>
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