ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
class.ilPCSourceCode.php
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1<?php
2/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */
3
4require_once("./Services/COPage/classes/class.ilPCParagraph.php");
5
18{
22 function init()
23 {
24 $this->setType("src");
25 }
26
31 static function getLangVars()
32 {
33 return array("ed_insert_code", "pc_code");
34 }
35
42 function modifyPageContentPostXsl($a_output, $outputmode = "presentation")
43 {
44 $dom = $this->getPage()->getDom();
45
46 $xpc = xpath_new_context($dom);
47 $path = "//Paragraph"; //"[@Characteristic = 'Code']";
48 $res = & xpath_eval($xpc, $path);
49 for($i = 0; $i < count($res->nodeset); $i++)
50 {
51 $context_node = $res->nodeset[$i];
52 $char = $context_node->get_attribute('Characteristic');
53
54 if ($char != "Code")
55 continue;
56
57 $n = $context_node->parent_node();
58 $char = $context_node->get_attribute('Characteristic');
59 $subchar = $context_node->get_attribute('SubCharacteristic');
60 $showlinenumbers = $context_node->get_attribute('ShowLineNumbers');
61 $downloadtitle = $context_node->get_attribute('DownloadTitle');
62 $autoindent = $context_node->get_attribute('AutoIndent');
63
64 $content = "";
65
66 // get XML Content
67 $childs = $context_node->child_nodes();
68
69 for($j=0; $j<count($childs); $j++)
70 {
71 $content .= $dom->dump_node($childs[$j]);
72 }
73
74 while ($context_node->has_child_nodes ())
75 {
76 $node_del = $context_node->first_child ();
77 $context_node->remove_child ($node_del);
78 }
79
80 $content = str_replace("<br />", "<br/>", utf8_decode($content) );
81 $content = str_replace("<br/>", "\n", $content);
82 $rownums = count(split ("\n",$content));
83
84 $plain_content = html_entity_decode($content);
85 $plain_content = preg_replace_callback(
86 "/\&#x([1-9a-f]{2});?/is",
87 function($hit) {
88 return chr(base_convert($hit[1], 16, 10));
89 },
90 $plain_content
91 );
92 $plain_content = preg_replace_callback(
93 "/\&#(\d+);?/is",
94 function($hit) {
95 return chr($hit[1]);
96 },
97 $plain_content
98 );
99 $content = utf8_encode($this->highlightText($plain_content, $subchar, $autoindent));
100
101 $content = str_replace("&amp;lt;", "&lt;", $content);
102 $content = str_replace("&amp;gt;", "&gt;", $content);
103// $content = str_replace("&", "&amp;", $content);
104//var_dump($content);
105 $rows = "<tr valign=\"top\">";
106 $rownumbers = "";
107 $linenumbers= "";
108
109 //if we have to show line numbers
110 if (strcmp($showlinenumbers,"y")==0)
111 {
112 $linenumbers = "<td nowrap=\"nowrap\" class=\"ilc_LineNumbers\" >";
113 $linenumbers .= "<pre class=\"ilc_Code\">";
114
115 for ($j=0; $j < $rownums; $j++)
116 {
117 $indentno = strlen($rownums) - strlen($j+1) + 2;
118 $rownumeration = ($j+1);
119 $linenumbers .= "<span class=\"ilc_LineNumber\">$rownumeration</span>";
120 if ($j < $rownums-1)
121 {
122 $linenumbers .= "\n";
123 }
124 }
125 $linenumbers .= "</pre>";
126 $linenumbers .= "</td>";
127 }
128
129 $rows .= $linenumbers."<td class=\"ilc_Sourcecode\"><pre class=\"ilc_Code\">".$content."</pre></td>";
130 $rows .= "</tr>";
131
132 // fix for ie explorer which is not able to produce empty line feeds with <br /><br />;
133 // workaround: add a space after each br.
134 $newcontent = str_replace("\n", "<br/>",$rows);
135 // fix for IE
136 $newcontent = str_replace("<br/><br/>", "<br/> <br/>",$newcontent);
137 // falls drei hintereinander...
138 $newcontent = str_replace("<br/><br/>", "<br/> <br/>",$newcontent);
139
140 // workaround for preventing template engine
141 // from hiding paragraph text that is enclosed
142 // in curly brackets (e.g. "{a}", see ilLMEditorGUI::executeCommand())
143 $newcontent = str_replace("{", "&#123;", $newcontent);
144 $newcontent = str_replace("}", "&#125;", $newcontent);
145
146//echo htmlentities($newcontent);
147 $a_output = str_replace("[[[[[Code;".($i + 1)."]]]]]", $newcontent, $a_output);
148
149 if ($outputmode != "presentation" && is_object($this->getPage()->getOfflineHandler())
150 && trim($downloadtitle) != "")
151 {
152 // call code handler for offline versions
153 $this->getPage()->getOfflineHandler()->handleCodeParagraph($this->getPage()->getId(), $i + 1, $downloadtitle, $plain_content);
154 }
155 }
156
157 return $a_output;
158 }
159
163 function highlightText($a_text, $proglang, $autoindent)
164 {
165
166 if (!$this->hasHighlighter($proglang))
167 {
168 $proglang="plain";
169 }
170
171 require_once("./Services/COPage/syntax_highlight/php/HFile/HFile_".$proglang.".php");
172 $classname = "HFile_$proglang";
173 $h_instance = new $classname();
174 if ($autoindent == "n") {
175 $h_instance ->notrim = 1;
176 $h_instance ->indent = array ("");
177 $h_instance ->unindent = array ("");
178 }
179
180 $highlighter = new Core($h_instance, new Output_css());
181 $a_text = $highlighter->highlight_text(html_entity_decode($a_text));
182
183 return $a_text;
184 }
185
186 function hasHighlighter ($hfile_ext)
187 {
188 return file_exists ("Services/COPage/syntax_highlight/php/HFile/HFile_".$hfile_ext.".php");
189 }
190
191}
192?>
$n
Definition: RandomTest.php:80
Definition: Core.php:27
Class ilPCParagraph.
Class ilPCSourceCode.
static getLangVars()
Get lang vars needed for editing.
highlightText($a_text, $proglang, $autoindent)
Highligths Text with given ProgLang.
init()
Init page content component.
modifyPageContentPostXsl($a_output, $outputmode="presentation")
Modify page content after xsl.
hasHighlighter($hfile_ext)
setType($a_type)
Set Type.
xpath_eval($xpath_context, $eval_str, $contextnode=null)
xpath_new_context($dom_document)
$path
Definition: index.php:22