3 require_once 'lib/ErrorManager.php';
10 * name optionally of form "theme/template" to include parent templates in children
12 function Template($name, &$request, $args = array())
16 $this->_request =& $request;
17 $this->_basepage = $request->getArg('pagename');
19 if (strstr($name, "/")) {
20 $oldname = $WikiTheme->_name;
21 $oldtheme = $WikiTheme->_theme;
22 list($themename, $name) = explode("/", $name);
23 $WikiTheme->_theme = "themes/$themename";
24 $WikiTheme->_name = $name;
27 $file = $WikiTheme->findTemplate($name);
29 trigger_error("no template for $name found.", E_USER_WARNING);
32 if (isset($oldname)) {
33 $WikiTheme->_name = $oldname;
34 $WikiTheme->_theme = $oldtheme;
36 $fp = fopen($file, "rb");
38 trigger_error("$file not found", E_USER_WARNING);
41 $request->_TemplatesProcessed[$name] = 1;
42 $this->_tmpl = fread($fp, filesize($file));
44 //$userid = $request->_user->_userid;
46 $this->_locals = $args;
48 $this->_locals = array('CONTENT' => $args); else
49 $this->_locals = array();
52 private function _munge_input($template)
55 // Convert < ?plugin expr ? > to < ?php $this->_printPluginPI("expr"); ? >
56 $orig[] = '/<\?plugin.*?\?>/se';
57 $repl[] = "\$this->_mungePlugin('\\0')";
59 // Convert < ?= expr ? > to < ?php $this->_print(expr); ? >
60 $orig[] = '/<\?=(.*?)\?>/s';
61 $repl[] = '<?php $this->_print(\1);?>';
63 // Convert < ?php echo expr ? > to < ?php $this->_print(expr); ? >
64 $orig[] = '/<\?php echo (.*?)\?>/s';
65 $repl[] = '<?php $this->_print(\1);?>';
67 // Avoid PHP 5.5 warning about /e
68 return @preg_replace($orig, $repl, $template);
71 private function _mungePlugin($pi)
73 // HACK ALERT: PHP's preg_replace, with the /e option seems to
74 // escape both single and double quotes with backslashes.
75 // So we need to unescape the double quotes here...
77 $pi = preg_replace('/(?!<\\\\)\\\\"/x', '"', $pi);
78 return sprintf('<?php $this->_printPlugin(%s); ?>',
79 "'" . str_replace("'", "\'", $pi) . "'");
82 private function _printPlugin($pi)
84 include_once 'lib/WikiPlugin.php';
88 $loader = new WikiPluginLoader();
90 $this->_print($loader->expandPI($pi, $this->_request, $this, $this->_basepage));
93 private function _print($val)
95 if (isa($val, 'Template')) {
96 $this->_expandSubtemplate($val);
102 private function _expandSubtemplate(&$template)
105 //if (!$template->_request)
106 // $template->_request = &$this->_request;
108 echo "<!-- Begin $template->_name -->\n";
110 // Expand sub-template with defaults from this template.
111 $template->printExpansion($this->_vars);
113 echo "<!-- End $template->_name -->\n";
118 * Substitute HTML replacement text for tokens in template.
120 * Constructs a new WikiTemplate based upon the named template.
121 * @param string $varname Name of token to substitute for.
122 * @param string $value Replacement HTML text.
124 public function replace($varname, $value)
126 $this->_locals[$varname] = $value;
129 public function printExpansion($defaults = false)
131 if (!is_array($defaults)) // HTML object or template object
132 $defaults = array('CONTENT' => $defaults);
133 $this->_vars = array_merge($defaults, $this->_locals);
134 extract($this->_vars);
138 $user = $request->getUser();
140 $page = $request->getPage();
141 // Speedup. I checked all templates
142 if (!isset($revision))
146 //$this->_dump_template();
147 $SEP = $WikiTheme->getButtonSeparator();
149 global $ErrorManager;
150 $ErrorManager->pushErrorHandler(new WikiMethodCb($this, '_errorHandler'));
152 eval('?>' . $this->_munge_input($this->_tmpl));
154 $ErrorManager->popErrorHandler();
158 // Find a way to do template expansion less memory intensive and faster.
159 // 1.3.4 needed no memory at all for dumphtml, now it needs +15MB.
160 // Smarty? As before?
161 public function getExpansion($defaults = false)
164 $this->printExpansion($defaults);
165 $xml = ob_get_contents();
166 ob_end_clean(); // PHP problem: Doesn't release its memory?
170 public function printXML()
172 $this->printExpansion();
175 public function asXML()
177 return $this->getExpansion();
181 private function _dump_template()
183 $lines = explode("\n", $this->_munge_input($this->_tmpl));
186 foreach ($lines as $line)
187 $pre->pushContent(fmt("%4d %s\n", $n++, $line));
191 public function _errorHandler($error)
193 //if (!preg_match('/: eval\(\)\'d code$/', $error->errfile))
196 if (preg_match('/: eval\(\)\'d code$/', $error->errfile)) {
197 $error->errfile = "In template '$this->_name'";
198 // Hack alert: Ignore 'undefined variable' messages for variables
199 // whose names are ALL_CAPS.
200 if (preg_match('/Undefined variable:\s*[_A-Z]+\s*$/', $error->errstr))
202 } // ignore recursively nested htmldump loop: browse -> body -> htmldump -> browse -> body ...
203 // FIXME for other possible loops also
204 elseif (strstr($error->errfile, "In template 'htmldump'")) {
206 } elseif (strstr($error->errfile, "In template '")) { // merge
207 $error->errfile = preg_replace("/'(\w+)'\)$/", "'\\1' < '$this->_name')",
210 $error->errfile .= " (In template '$this->_name')";
213 if (!empty($this->_tmpl)) {
214 $lines = explode("\n", $this->_tmpl);
215 if (isset($lines[$error->errline - 1]))
216 $error->errstr .= ":\n\t" . $lines[$error->errline - 1];
225 * This is a convenience function and is equivalent to:
230 function Template($name, $args = array())
233 return new Template($name, $request, $args);
236 function alreadyTemplateProcessed($name)
239 return !empty($request->_TemplatesProcessed[$name]) ? true : false;
243 * Make and expand the top-level template.
246 * @param mixed $content html content to put into the page
247 * @param string $title page title
248 * @param object|bool $page_revision A WikiDB_PageRevision object or false
249 * @param array $args hash Extract args for top-level template
251 * @return string HTML expansion of template.
253 function GeneratePage($content, $title, $page_revision = false, $args = array())
257 if (!is_array($args))
260 $args['CONTENT'] = $content;
261 $args['TITLE'] = $title;
262 $args['revision'] = $page_revision;
264 if (!isset($args['HEADER']))
265 $args['HEADER'] = $title;
267 printXML(new Template('html', $request, $args));
271 * For dumping pages as html to a file.
272 * Used for action=dumphtml,action=ziphtml,format=pdf,format=xml
274 function GeneratePageasXML($content, $title, $page_revision = false, $args = array())
278 if (!is_array($args))
281 $content->_basepage = $title;
282 $args['CONTENT'] = $content;
283 $args['TITLE'] = SplitPagename($title);
284 $args['revision'] = $page_revision;
286 if (!isset($args['HEADER']))
287 $args['HEADER'] = SplitPagename($title);
289 global $HIDE_TOOLBARS, $NO_BASEHREF, $WikiTheme;
290 $HIDE_TOOLBARS = true;
291 if (!$WikiTheme->DUMP_MODE)
292 $WikiTheme->DUMP_MODE = 'HTML';
294 // FIXME: unfatal errors and login requirements
295 $html = asXML(new Template('htmldump', $request, $args));
297 $HIDE_TOOLBARS = false;
298 //$WikiTheme->DUMP_MODE = false;
306 // c-hanging-comment-ender-p: nil
307 // indent-tabs-mode: nil