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<?php
/**
* This demo shows how combine Texy! with syntax highlighter GESHI
* - define user callback (for /--code elements)
* - load language, highlight and return stylesheet + html output
*/
// include libs
require_once dirname(__FILE__) . 'Texy.php';
$geshiPath = dirname(__FILE__).'/geshi/';
@include_once $geshiPath . 'geshi.php';
if (!class_exists('Geshi')) {
die('DOWNLOAD <a href="http://qbnz.com/highlighter/">GESHI</a> AND UNPACK TO GESHI FOLDER FIRST!');
}
/**
* User handler for code block
*
* @param TexyHandlerInvocation handler invocation
* @param string block type
* @param string text to highlight
* @param string language
* @param TexyModifier modifier
* @return TexyHtml
*/
function blockHandler($invocation, $blocktype, $content, $lang, $modifier)
{
if ($blocktype !== 'block/code') {
return $invocation->proceed();
}
$texy = $invocation->getTexy();
global $geshiPath;
if ($lang == 'html') $lang = 'html4strict';
$content = Texy::outdent($content);
$geshi = new GeSHi($content, $lang, $geshiPath.'geshi/');
// GeSHi could not find the language
if ($geshi->error) {
return $invocation->proceed();
}
// do syntax-highlighting
$geshi->set_encoding('UTF-8');
$geshi->set_header_type(GESHI_HEADER_PRE);
$geshi->enable_classes();
$geshi->set_overall_style('color: #000066; border: 1px solid #d0d0d0; background-color: #f0f0f0;', true);
$geshi->set_line_style('font: normal normal 95% \'Courier New\', Courier, monospace; color: #003030;', 'font-weight: bold; color: #006060;', true);
$geshi->set_code_style('color: #000020;', 'color: #000020;');
$geshi->set_link_styles(GESHI_LINK, 'color: #000060;');
$geshi->set_link_styles(GESHI_HOVER, 'background-color: #f0f000;');
// save generated stylesheet
$texy->styleSheet .= $geshi->get_stylesheet();
$content = $geshi->parse_code();
// check buggy GESHI, it sometimes produce not UTF-8 valid code :-((
$content = iconv('UTF-8', 'UTF-8//IGNORE', $content);
// protect output is in HTML
$content = $texy->protect($content, Texy::CONTENT_BLOCK);
$el = TexyHtml::el();
$el->setText($content);
return $el;
}
$texy = new Texy();
$texy->addHandler('block', 'blockHandler');
// prepare CSS stylesheet
$texy->styleSheet = 'pre { padding:10px } ';
// processing
$text = file_get_contents('sample.texy');
$html = $texy->process($text); // that's all folks!
// echo Geshi Stylesheet
header('Content-type: text/html; charset=utf-8');
echo '<style type="text/css">'. $texy->styleSheet . '</style>';
echo '<title>' . $texy->headingModule->title . '</title>';
// echo formated output
echo $html;
// and echo generated HTML code
echo '<hr />';
echo '<pre>';
echo htmlSpecialChars($html);
echo '</pre>';
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