197 lines
7.5 KiB
PHP
197 lines
7.5 KiB
PHP
<?php
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/**
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* serendipity_event_geshi.php
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*
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* This event plugin is a wrapper around GeSHi, the Generic Syntax Hi-liter
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* package. This plugin allows you to use markup inside your articles that
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* indicates you are embedding code.
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*
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* The markup tag is:
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* [geshi lang=name {ln={y|n}}] [/geshi].
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*
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* Where 'name' is the name of the language file, and ln= is an optional
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* line numbering over ride parameter, that will explicitly set line numbering
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* for the code block to yes (on) or no (off).
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*
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* For example, to make a c++ block with line numbering on:
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*
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* [geshi lang=c++ ln=y] ..c++ code here [/geshi]
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*
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* There are numerous language files included with geshi, and it is even
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* possible to extend the package by defining your own files and including them
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* in the /geshi/ subdirectory. See the GeSHi project page for more
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* information.
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*
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*
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* @package Serendipity
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* @author David Rolston <gizmo@gizmola.com>
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* @version 05
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*
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* .02 release:
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* -Enabled Path to GeSHi override. Default should be best for 99.9% of users
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* -Default line numbering option implemented
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* -added ln={y|n} to turn on line numbering inside individual blocks
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* (overriding the default, set during plugin configuration)
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* -IE line numbering style issues magically went away in serendipity 08
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*
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* .03 release:
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* -Code blocks are now forced to be left aligned,
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* thanks to patch from Norbert Mocsnik
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*
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* .04 release:
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* Thanks to Ivan Cenov for language enhancements and bulgarian language strings
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* -Added PLUGIN_EVENT_GESHI_PATHTOGESHI_DESC and PLUGIN_EVENT_GESHI_SHOWLINENUMBERS_DESC strings.
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* -Changes in function introspect_config_item to use these string constants.
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*
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* .05 release
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* Updated GeSHi to latest release (1.0.7.4)
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* This release includes some fixes, and new language files for: applescript, D, diff output, DIV game language, DOS batch language,
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* eiffel, freebasic, gml, Delphi Inno script, Matlab M language files, MySQL specific SQL, Objective CAML, Ruby, Scheme, SDLBasic, and VHDL: Very high speed integrated circuit HDL
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*
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*/
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if (IN_serendipity !== true) {
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die ("Don't hack!");
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}
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@serendipity_plugin_api::load_language(dirname(__FILE__));
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class serendipity_event_geshi extends serendipity_event
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{
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var $title = PLUGIN_EVENT_GESHI_NAME;
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// Top Level Configuration, requires name of the Plugin, description text, and configuration information in an array..
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function introspect(&$propbag)
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{
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global $serendipity;
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$propbag->add('name', PLUGIN_EVENT_GESHI_NAME);
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$propbag->add('description', PLUGIN_EVENT_GESHI_DESC);
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$propbag->add('stackable', false);
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$propbag->add('author', 'David Rolston');
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$propbag->add('requirements', array(
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'serendipity' => '0.7',
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'smarty' => '2.6.7',
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'php' => '7.0'
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));
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$propbag->add('version', '1.1.1');
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$propbag->add('event_hooks', array('frontend_display' => true, 'frontend_comment' => true));
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$propbag->add('groups', array('MARKUP'));
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$this->markup_elements = array(
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array(
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'name' => 'ENTRY_BODY',
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'element' => 'body',
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),
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array(
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'name' => 'EXTENDED_BODY',
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'element' => 'extended',
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),
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array(
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'name' => 'COMMENT',
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'element' => 'comment',
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),
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array(
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'name' => 'HTML_NUGGET',
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'element' => 'html_nugget',
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)
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);
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$conf_array = array('pathtogeshi','showlinenumbers');
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foreach($this->markup_elements as $element) {
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$conf_array[] = $element['name'];
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}
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$propbag->add('configuration', $conf_array);
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}
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function generate_content(&$title) {
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$title = $this->title;
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}
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function introspect_config_item($name, &$propbag) {
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switch ($name) {
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case 'pathtogeshi' :
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$propbag->add('name', PLUGIN_EVENT_GESHI_PATHTOGESHI);
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$propbag->add('type', 'string');
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$propbag->add('description', PLUGIN_EVENT_GESHI_PATHTOGESHI_DESC);
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$pathtogeshi = substr(__FILE__, 0, strrpos(__FILE__, '/'));
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$propbag->add('default', $pathtogeshi);
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break;
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case 'showlinenumbers' :
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$propbag->add('name', PLUGIN_EVENT_GESHI_SHOWLINENUMBERS);
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$propbag->add('type', 'boolean');
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$propbag->add('description', PLUGIN_EVENT_GESHI_SHOWLINENUMBERS_DESC);
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$propbag->add('default', 'false');
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break;
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default :
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$propbag->add('name', constant($name));
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$propbag->add('type', 'boolean');
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$propbag->add('default', 'true');
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$propbag->add('description', sprintf(APPLY_MARKUP_TO, constant($name)));
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}
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return true;
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}
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function geshi($input) {
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$pathtogeshi = $this->get_config('pathtogeshi');
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require_once($pathtogeshi . '/geshi.php');
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$input = preg_replace_callback('/\[geshi(?:\s)*lang=([A-Za-z0-9_\-]+)(?:\s)*(ln=[YyNn])?\](.*?)\[\/geshi\]/si', array(&$this, 'geshicallback'), $input);
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return $input;
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}
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function event_hook($event, &$bag, &$eventData, $addData = null) {
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global $serendipity;
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$hooks = &$bag->get('event_hooks');
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if (isset($hooks[$event])) {
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switch($event) {
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case 'frontend_display':
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foreach ($this->markup_elements as $temp) {
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if (serendipity_db_bool($this->get_config($temp['name'], true)) && isset($eventData[$temp['element']]) &&
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!$eventData['properties']['ep_disable_markup_' . $this->instance] &&
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!isset($serendipity['POST']['properties']['disable_markup_' . $this->instance])) {
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$element = $temp['element'];
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$eventData[$element] = $this->geshi($eventData[$element]);
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}
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}
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return true;
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break;
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case 'frontend_comment':
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if (serendipity_db_bool($this->get_config('COMMENT', true))) {
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echo '<div class="serendipity_commentDirection serendipity_comment_geshi">' . PLUGIN_EVENT_GESHI_TRANSFORM . '</div>';
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}
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return true;
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break;
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default:
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return false;
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}
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} else {
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return false;
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}
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}
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function geshicallback($matches) {
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$pathtogeshi = $this->get_config('pathtogeshi') . '/geshi';
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$geshilang = strtolower($matches[1]);
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$showln = ($this->get_config('showlinenumbers') == TRUE) ? TRUE : FALSE;
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if ((strlen($matches[2]) == 4) and (substr($matches[2], 0, 3) == 'ln=')) {
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$showln = (strtolower(substr($matches[2],-1)) == 'y') ? TRUE : FALSE;
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}
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$geshi = new GeSHi($matches[3], $geshilang, $pathtogeshi);
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$geshi->set_header_type(GESHI_HEADER_DIV);
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if ($showln)
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$geshi->enable_line_numbers(GESHI_NORMAL_LINE_NUMBERS);
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// Have to get rid of newlines.
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// Left align per suggestion from Norbert Mocsnik
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$geshi->set_overall_style('text-align: left');
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$geshi->set_overall_class('geshi');
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return str_replace("\n", '', $geshi->parse_code());
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}
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}
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/* vim: set sts=4 ts=4 expandtab : */
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?>
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