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color.php
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<?php
/**
* @file bbcode/syntax/color.php
* @brief Color formatting support for BBCode Plugin
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
* @author Esther Brunner <esther@kaffeehaus.ch>
* @author Christopher Smith <chris@jalakai.co.uk>
* @author Luis Machuca Bezzaza <luis.machuca@gulix.cl>
* @version 2011-05-25
*/
if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../../').'/');
if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
require_once(DOKU_PLUGIN.'syntax.php');
/**
* All DokuWiki plugins to extend the parser/rendering mechanism
* need to inherit from this class
*/
class syntax_plugin_bbcode_color extends DokuWiki_Syntax_Plugin {
static $htmlcolors = array (
'red' => '#ff0000',
'green' => '#008000',
'blue' => '#0000ff',
'aqua' => '#00ffff',
'cyan' => '#00ffff',
'fuchsia' => '#ff00ff',
'lime' => '#00ff00',
'magenta' => '#ff00ff',
'maroon' => '#800000',
'navy' => '#000080',
'olive' => '#808000',
'purple' => '#800080',
'teal' => '#008080',
'yellow' => '#ffff00',
'black' => '#000000',
'gray' => '#808080',
'grey' => '#808080',
'silver' => '#c0c0c0',
'white' => '#ffffff',
);
static $browsercolors = array (
'aliceblue' => '#f0f8ff' ,
'antiquewhite' => '#faebd7' ,
'aqua' => '#00ffff' ,
'aquamarine' => '#7fffd4' ,
'azure' => '#f0ffff' ,
'beige' => '#f5f5dc' ,
'bisque' => '#ffe4c4' ,
'black' => '#000000' ,
'blanchedalmond' => '#ffebcd' ,
'blue' => '#0000ff' ,
'blueviolet' => '#8a2be2' ,
'brown' => '#a52a2a' ,
'burlywood' => '#deb887' ,
'cadetblue' => '#5f9ea0' ,
'chartreuse' => '#7fff00' ,
'chocolate' => '#d2691e' ,
'coral' => '#ff7f50' ,
'cornflowerblue' => '#6495ed' ,
'cornsilk' => '#fff8dc' ,
'crimson' => '#dc143c' ,
'cyan' => '#00ffff' ,
'darkblue' => '#00008b' ,
'darkcyan' => '#008b8b' ,
'darkgoldenrod' => '#b8860b' ,
'darkgray' => '#a9a9a9' ,
'darkgreen' => '#006400' ,
'darkkhaki' => '#bdb76b' ,
'darkmagenta' => '#8b008b' ,
'darkolivegreen' => '#556b2f' ,
'darkorange' => '#ff8c00' ,
'darkorchid' => '#9932cc' ,
'darkred' => '#8b0000' ,
'darksalmon' => '#e9967a' ,
'darkseagreen' => '#8fbc8f' ,
'darkslateblue' => '#483d8b' ,
'darkslategray' => '#2f4f4f' ,
'darkturquoise' => '#00ced1' ,
'darkviolet' => '#9400d3' ,
'deeppink' => '#ff1493' ,
'deepskyblue' => '#00bfff' ,
'dimgray' => '#696969' ,
'dodgerblue' => '#1e90ff' ,
'firebrick' => '#b22222' ,
'floralwhite' => '#fffaf0' ,
'forestgreen' => '#228b22' ,
'fuchsia' => '#ff00ff' ,
'gainsboro' => '#dcdcdc' ,
'ghostwhite' => '#f8f8ff' ,
'gold' => '#ffd700' ,
'goldenrod' => '#daa520' ,
'gray' => '#808080' ,
'green' => '#008000' ,
'greenyellow' => '#adff2f' ,
'honeydew' => '#f0fff0' ,
'hotpink' => '#ff69b4' ,
'indianred' => '#cd5c5c' ,
'indigo' => '#4b0082' ,
'ivory' => '#fffff0' ,
'khaki' => '#f0e68c' ,
'lavender' => '#e6e6fa' ,
'lavenderblush' => '#fff0f5' ,
'lawngreen' => '#7cfc00' ,
'lemonchiffon' => '#fffacd' ,
'lightblue' => '#add8e6' ,
'lightcoral' => '#f08080' ,
'lightcyan' => '#e0ffff' ,
'lightgoldenrodyellow' => '#fafad2' ,
'lightgrey' => '#d3d3d3' ,
'lightgreen' => '#90ee90' ,
'lightpink' => '#ffb6c1' ,
'lightsalmon' => '#ffa07a' ,
'lightseagreen' => '#20b2aa' ,
'lightskyblue' => '#87cefa' ,
'lightslategray' => '#778899' ,
'lightsteelblue' => '#b0c4de' ,
'lightyellow' => '#ffffe0' ,
'lime' => '#00ff00' ,
'limegreen' => '#32cd32' ,
'linen' => '#faf0e6' ,
'magenta' => '#ff00ff' ,
'maroon' => '#800000' ,
'mediumaquamarine' => '#66cdaa' ,
'mediumblue' => '#0000cd' ,
'mediumorchid' => '#ba55d3' ,
'mediumpurple' => '#9370d8' ,
'mediumseagreen' => '#3cb371' ,
'mediumslateblue' => '#7b68ee' ,
'mediumspringgreen' => '#00fa9a' ,
'mediumturquoise' => '#48d1cc' ,
'mediumvioletred' => '#c71585' ,
'midnightblue' => '#191970' ,
'mintcream' => '#f5fffa' ,
'mistyrose' => '#ffe4e1' ,
'moccasin' => '#ffe4b5' ,
'navajowhite' => '#ffdead' ,
'navy' => '#000080' ,
'oldlace' => '#fdf5e6' ,
'olive' => '#808000' ,
'olivedrab' => '#6b8e23' ,
'orange' => '#ffa500' ,
'orangered' => '#ff4500' ,
'orchid' => '#da70d6' ,
'palegoldenrod' => '#eee8aa' ,
'palegreen' => '#98fb98' ,
'paleturquoise' => '#afeeee' ,
'palevioletred' => '#d87093' ,
'papayawhip' => '#ffefd5' ,
'peachpuff' => '#ffdab9' ,
'peru' => '#cd853f' ,
'pink' => '#ffc0cb' ,
'plum' => '#dda0dd' ,
'powderblue' => '#b0e0e6' ,
'purple' => '#800080' ,
'red' => '#ff0000' ,
'rosybrown' => '#bc8f8f' ,
'royalblue' => '#4169e1' ,
'saddlebrown' => '#8b4513' ,
'salmon' => '#fa8072' ,
'sandybrown' => '#f4a460' ,
'seagreen' => '#2e8b57' ,
'seashell' => '#fff5ee' ,
'sienna' => '#a0522d' ,
'silver' => '#c0c0c0' ,
'skyblue' => '#87ceeb' ,
'slateblue' => '#6a5acd' ,
'slategray' => '#708090' ,
'snow' => '#fffafa' ,
'springgreen' => '#00ff7f' ,
'steelblue' => '#4682b4' ,
'tan' => '#d2b48c' ,
'teal' => '#008080' ,
'thistle' => '#d8bfd8' ,
'tomato' => '#ff6347' ,
'turquoise' => '#40e0d0' ,
'violet' => '#ee82ee' ,
'wheat' => '#f5deb3' ,
'white' => '#ffffff' ,
'whitesmoke' => '#f5f5f5' ,
'yellow' => '#ffff00' ,
'yellowgreen' => '#9acd32' ,
);
function getType() { return 'formatting'; }
function getAllowedTypes() { return array('formatting', 'substition', 'disabled'); }
function getSort() { return 105; }
function connectTo($mode) { $this->Lexer->addEntryPattern('\[color=.*?\](?=.*?\x5B/color\x5D)',$mode,'plugin_bbcode_color'); }
function postConnect() { $this->Lexer->addExitPattern('\[/color\]','plugin_bbcode_color'); }
/**
* Handle the match
*/
function handle($match, $state, $pos, &$handler) {
switch ($state) {
case DOKU_LEXER_ENTER :
$match = substr($match, 7, -1);
if (preg_match('/".+?"/',$match)) $match = substr($match, 1, -1); // addition #1: unquote
return array($state, $match);
case DOKU_LEXER_UNMATCHED :
return array($state, $match);
case DOKU_LEXER_EXIT :
return array($state, '');
}
return array();
}
/**
* Create output
*/
function render($mode, &$renderer, $data) {
list($state, $match) = $data;
if($mode == 'xhtml') {
switch ($state) {
case DOKU_LEXER_ENTER :
$mvalid= $this->_isValid($match);
if ($mvalid) {
// the class isn't needed, but in case someone needs to do something with color...
$renderer->doc .= '<span class="bbcode_color" style="color:'. $match. '">';
} else {
$renderer->doc .= '<span>';
}
break;
case DOKU_LEXER_UNMATCHED :
$renderer->doc .= $renderer->_xmlEntities($match);
break;
case DOKU_LEXER_EXIT :
$renderer->doc .= '</span>';
break;
}
return true;
}
else if($mode == 'odt') {
switch ($state) {
case DOKU_LEXER_ENTER :
$mvalid= $this->_isValid($match);
// non-#rrggbb tuples shall not pass!
if ($mvalid[0]==='#') {
$mname= substr($mvalid,1);
// add the autostyle if it's not already available
$stylename= "bbcode_color_${mname}";
if (!array_key_exists($stylename, $renderer->autostyles)) {
$renderer->autostyles[$stylename]= '
<style:style style:name="'.$stylename.'" style:display-name="BBCode Color '.$mvalid.'" style:family="text">
<style:text-properties fo:color="'.$mvalid.'"/>
</style:style>';
}
$renderer->doc .= '<text:span text:style-name="'.$stylename.'">';
} else {
$renderer->doc .= '<text:span>';
}
break;
case DOKU_LEXER_UNMATCHED :
$renderer->doc .= $renderer->_xmlEntities($match);
break;
case DOKU_LEXER_EXIT :
$renderer->doc .= '</text:span>';
break;
}
return true;
}
return false;
}
/**
* Validate color
*
* This is a moderalety strong validation -- first it ensures that the
* format is correct and there is nothing harmful, then returns
* a convenient form of its argument.
*/
function _isValid($c) {
$c = trim($c);
$pattern= "/^(\#[0-9a-fA-F]{6})$/x";
if (preg_match($pattern,$c)) return $c;
// stretch a #rgb tuple to the form #rrggbb
$pattern= "/^(\#[0-9a-fA-F]{3})$/x";
if (preg_match($pattern,$c)) {
list($hash,$R,$G,$B) = str_split($c);
return "#$R$R$G$G$B$B";
}
// return rgb() and hsl() formulas as-is
// TODO: return rgba() and hsla() too?
$pattern = "/^
(rgb\(([0-9]{1,3}%?,){2}[0-9]{1,3}%?\))| # rgb triplet
(hsl\([0-9]+,(100|[0-9][0-9]?)%,(100|[0-9][0-9])%\)) #hsl triplet
$/x";
if (preg_match($pattern, $c)) return $c;
// return lowercase HTML colornames as-is
if (ctype_lower($c) && !empty(self::$htmlcolors[$c])) return self::$htmlcolors[$c];
// demans CamelCase SVG colornames for easier distinction
$d= strtolower($c);
if (ctype_upper($c[0]) && !empty(self::$browsercolors[$d])) return self::$browsercolors[$d];
// at this point we weren't handed over something usable
return false;
}
}