/**
* References a file.
* Parses the files contents for symbols and creates references to the
* files where these symbols are defined.
*
* @param Luxor_Driver $files An instance of a storage backend driver.
* @param string $pathname The (relative) pathname of the file to
* be referenced.
* @param Luxor_Lang $lang The language object for $pathname.
*
* @return mixed A PEAR_Error if an error occured.
*/
function processRefs($files, $pathname, $lang)
{
global $index;
/* Get the unique ID for this file. */
$fileId = $index->fileId($pathname);
if ($fileId === false) {
$fileId = $index->createFileId($pathname, '', $files->getFiletime($pathname));
}
if (is_a($fileId, 'PEAR_Error')) {
return $fileId;
}
/* Update the file's status. */
$result = $index->toReference($fileId);
if ($result === false) {
return PEAR::raiseError(sprintf(_("%s was already indexed."), $pathname));
} elseif (is_a($result, 'PEAR_Error')) {
return $result;
}
/* Empty symbol cache. */
$index->clearCache();
/* Create references to symbol definitions. */
$path = $files->tmpFile($pathname);
if (!$path) {
return PEAR::raiseError(sprintf(_("Can't create copy of file %s."), $pathname));
}
$result = $lang->referenceFile($path, $fileId);
if (is_a($result, 'PEAR_Error')) {
return $result;
}
}
/**
* Attempts to determine a files programming language and returns
* a parser instance for this language.
*
* @param Luxor_Files $files An instance of Luxor_Files to use for file
* operations and path name resolution.
* @param string $pathname The path name of the file to create a
* parser for.
*
* @return mixed The created concrete Luxor_Lang instance, or false
* on error.
*/
function builder($files, $pathname)
{
global $languages;
$languages = Horde::loadConfiguration('languages.php', 'languages', 'luxor');
/* First, check the 'filetype' hash for a matching file extension. */
foreach ($languages['filetype'] as $type) {
if (preg_match('/' . $type[1] . '/', $pathname)) {
return Luxor_Lang::factory($type[2], $type);
}
}
/* Next, try to detect the shebang line. */
$fh = $files->getFileHandle($pathname);
if (!$fh || is_a($fh, 'PEAR_Error')) {
return $fh;
}
$line = fgets($fh);
if (!preg_match('/^\\#!\\s*(\\S+)/s', $line, $match)) {
return false;
}
if (isset($languages['interpreters'][$match[1]])) {
$lang = $languages['filetype'][$languages['interpreters'][$match[1]]];
return Luxor_Lang::factory($lang[2], $lang);
}
return false;
}
/**
*/
function markupfile($pathname, $fileh, $ann = array())
{
global $files, $conf;
preg_match_all('|^(.*/)|', $pathname, $dir);
$dir = $dir[0];
/* Determine the file's language and create a Luxor_Lang
* instance. */
$lang =& Luxor_Lang::builder($files, $pathname);
if (is_a($lang, 'PEAR_Error')) {
return $lang;
}
$html = '<table cellspacing="0" width="100%" class="text">';
// A source code file.
if (!$lang) {
return false;
}
$parser = new Luxor_SimpleParse($fileh, 1, $lang->_langmap['spec']);
$linenum = 1;
list($btype, $frag) = $parser->nextFrag();
$ofrag = '';
while ($frag) {
$frag = preg_replace('/([&<>])/', chr(0) . '$1', $frag);
switch ($btype) {
case 'comment':
// Comment
// Convert mail adresses to mailto:
// &freetextmarkup($frag);
// $lang->processComment(\$frag);
$frag = Luxor::fixString($frag, '<span class="comment">', '</span>');
break;
case 'string':
$frag = Luxor::fixString($frag, '<span class="string">', '</span>');
break;
case 'include':
// Include directive
$frag = $lang->processInclude($frag, $dir);
break;
case 'variable':
if (!empty($conf['options']['use_show_var'])) {
$pre = sprintf('<span class="variable"><span class="var_%s" onmouseover="show_var(\'var_%s\');" onmouseout="unshow_var(\'var_%s\');">', substr($frag, 1), substr($frag, 1), substr($frag, 1));
$frag = Luxor::fixString($frag, $pre, '</span></span>');
} else {
$frag = Luxor::fixString($frag, '<span class="variable">', '</span>');
}
break;
default:
// Code
// somehow get $source['may_reference'] into the second parameter here.
$frag = $lang->processCode($frag);
}
$frag = preg_replace('/\\0([&<>])/', '$1', $frag);
$ofrag .= $frag;
list($btype, $frag) = $parser->nextFrag();
}
$lines = preg_split('(\\r\\n|\\n|\\r)', $ofrag);
foreach ($lines as $line) {
$html .= '<tr><td align="right" style="padding-left:10px; padding-right:10px;"><a id="l' . $linenum . '" class="fixed" style="color:black">' . $linenum++ . '</a></td><td width="100%" class="fixed">' . $line . "</td></tr>\n";
}
return $html . '</table>';
}