* @link https://www.dokuwiki.org/plugin:fontcolor * @version 3.1 */ if(!defined('DOKU_INC')) die(); use LesserPHP\Lessc; /** * All DokuWiki plugins to extend the parser/rendering mechanism * need to inherit from this class */ class syntax_plugin_fontcolor extends DokuWiki_Syntax_Plugin { protected $odt_styles; /** * What kind of syntax are we? * * @return string */ public function getType() { return 'formatting'; } /** * What kind of syntax do we allow (optional) * * @return array */ public function getAllowedTypes() { return array('formatting', 'substition', 'disabled'); } /** * What about paragraphs? (optional) * * @return string */ public function getPType() { return 'normal'; } /** * Where to sort in? * * @return int */ public function getSort() { return 90; } /** * Connect pattern to lexer * * @param string $mode */ public function connectTo($mode) { $this->Lexer->addEntryPattern('(?=.*?)', $mode, 'plugin_fontcolor'); /* $this->Lexer->addEntryPattern('(?=.*?)', $mode, 'plugin_fontcolor'); */ } public function postConnect() { $this->Lexer->addExitPattern('', 'plugin_fontcolor'); //$this->Lexer->addExitPattern('', 'plugin_fontcolor'); } /** * override default accepts() method to allow nesting - ie, to get the plugin accepts its own entry syntax * * @param string $mode * @return bool */ public function accepts($mode) { if($mode == 'plugin_fontcolor') return true; return parent::accepts($mode); } /** * Handle the match * * @param string $match The text matched by the patterns * @param int $state The lexer state for the match * @param int $pos The character position of the matched text * @param Doku_Handler $handler The Doku_Handler object * @return array Return an array with all data you want to use in render */ public function handle($match, $state, $pos, Doku_Handler $handler) { switch($state) { case DOKU_LEXER_ENTER : $color = trim(substr($match, 4, -1)); // get the color $color = $this->_color2hexdec($color); if($color) { return array($state, $color); } break; case DOKU_LEXER_UNMATCHED : $handler->_addCall('cdata', array($match), $pos); return false; case DOKU_LEXER_EXIT : break; } return array($state, "#ffff00"); } /** * Create output * * @param $mode string output format being rendered * @param $renderer Doku_Renderer the current renderer object * @param $data array data created by handler() * @return boolean rendered correctly? */ public function render($mode, Doku_Renderer $renderer, $data) { if($mode == 'xhtml') { /** @var $renderer Doku_Renderer_xhtml */ list($state, $color) = $data; switch($state) { case DOKU_LEXER_ENTER : $renderer->doc .= ""; break; case DOKU_LEXER_EXIT : $renderer->doc .= ""; break; } return true; } if($mode == 'odt') { /** @var $renderer renderer_plugin_odt_page */ list($state, $color) = $data; switch($state) { case DOKU_LEXER_ENTER : $style_index = $color; //store style if(empty($this->odt_styles[$style_index])) { $stylename = "ColorizedText" . count($this->odt_styles); $this->odt_styles[$style_index] = $stylename; //Attention: ODT only accepts hexidecimal colors of format #ffffff, not #fff. $color = $color ? 'fo:color="' . $color . '" ' : ''; $renderer->autostyles[$stylename] = ' '; } $renderer->doc .= ''; break; case DOKU_LEXER_EXIT : $renderer->doc .= ""; break; } return true; } return false; } /** * Returns #hexdec color code, or false * * @param string $color * @return bool|string */ protected function _color2hexdec($color) { $less = new Lessc(); $less->setImportDir[] = DOKU_INC; $css = '.test { color: spin('.$color.', 0); }'; //less try to spin all colors, and output them as hexdec try { $parsedcss = $less->compile($css); } catch(Exception $e) { return false; } $hexdec = substr($parsedcss, 17, -4); return $hexdec; } /** * validate color value $c * this is cut price validation - only to ensure the basic format is * correct and there is nothing harmful * three basic formats "colorname", "#fff[fff]", "rgb(255[%],255[%],255[%])" * * @param string $c * @return int */ protected function _isValid($c) { $c = trim($c); $pattern = "/ (^[a-zA-Z]+$)| #colorname - not verified (^\#([0-9a-fA-F]{3}|[0-9a-fA-F]{6})$)| #colorvalue (^rgb\(([0-9]{1,3}%?,){2}[0-9]{1,3}%?\)$) #rgb triplet /x"; return (preg_match($pattern, $c)); } } //Setup VIM: ex: et ts=4 sw=4 enc=utf-8 :