"cpp", "h" => "cpp", "hpp" => "cpp", "rc"=>"text", "sh"=>"bash", "cs"=>"csharp");
public static $syntaxhighlightext = array("html", "as3", "cf", "cpp", "c", "css", "pas", "diff", "patch", "erl", "java", "jfx", "js", "pl", "php", "py", "rb", "sass", "scss", "scala", "sql", "vb", );
/**
* Test if an extension is supported by the syntax highlighter.
*
* @param string The extension to test
* @return bool
*/
public static function isSupportedExtension($extension)
{
return in_array($extension, self::$supportedExtenstions);
}
/**
* Returns a HTML snippet with a line-by-line pre-rendered table
* for the given source content
*
* @param array file information as returned by getMimeType or getMimeTypeFromContent
* @param string the content of the file
* @return string
*/
public static function highLight($fileinfo, $content, $url)
{
if (self::isText($fileinfo)) {
$pretty = '';
if (self::isSupportedExtension($fileinfo[2])) {
$pretty = ' prettyprint';
}
$table = array();
$i = 1;
/*foreach (self::splitIntoLines($content) as $line) {
$table[] = '
';
}
return Pluf_Template::markSafe($content);
}
/**
* Find the mime type of a file.
*
* Use /etc/mime.types to find the type.
*
* @param string Filename/Filepath
* @param array Mime type found or 'application/octet-stream', basename, extension
*/
public static function getMimeType($file)
{
static $mimes = null;
if ($mimes == null) {
$mimes = array();
$src = Pluf::f('idf_mimetypes_db', '/etc/mime.types');
$filecontent = @file_get_contents($src);
if ($filecontent !== false) {
$mimes = preg_split("/\015\012|\015|\012/", $filecontent);
}
}
$info = pathinfo($file);
if (isset($info['extension'])) {
$extension = strtolower($info["extension"]);
foreach ($mimes as $mime) {
if ('#' != substr($mime, 0, 1)) {
$elts = preg_split('/ |\t/', $mime, -1, PREG_SPLIT_NO_EMPTY);
if (in_array($extension, $elts)) {
return array($elts[0], $info['basename'], $info['extension']);
}
}
}
} else {
// we consider that if no extension and base name is all
// uppercase, then we have a text file.
if ($info['basename'] == strtoupper($info['basename'])) {
return array('text/plain', $info['basename'], 'txt');
}
$info['extension'] = 'bin';
}
return array('application/octet-stream', $info['basename'], $info['extension']);
}
/**
* Find the mime type of a file using the fileinfo class.
*
* @param string Filename/Filepath
* @param string File content
* @return array Mime type found or 'application/octet-stream', basename, extension
*/
public static function getMimeTypeFromContent($file, $filedata)
{
// There is a bug/memory leak in finfo_buffer
// finfo_buffer works 99% of the time - so rather than
// replacing it with some complex mime check system - just create
// a list of extensions that we know
// And document the types best we can:
// po is a translation file in indefero - tried text/plain but the syntax highlight JS library didn't like it
$ext_hack = array("po" => "text/plain");
$info = pathinfo($file);
$res = array('application/octet-stream',
$info['basename'],
isset($info['extension']) ? $info['extension'] : 'bin');
if ($info && isset($info["extension"]) && array_key_exists($info["extension"], $ext_hack))
{
$res[0] = $ext_hack[$info["extension"]];
return $res;
}
if (function_exists('finfo_open')) {
$finfo = finfo_open(FILEINFO_MIME);
$mime = finfo_buffer($finfo, $filedata);
finfo_close($finfo);
if ($mime) {
$res[0] = $mime;
}
if (!isset($info['extension']) && $mime) {
$res[2] = (0 === strpos($mime, 'text/')) ? 'txt' : 'bin';
} elseif (!isset($info['extension'])) {
$res[2] = 'bin';
}
}
return $res;
}
/**
* Splits a string into separate lines while retaining the individual
* line ending character for every line.
*
* OS 9 line endings are not supported.
*
* @param string content
* @param boolean if true, skip completely empty lines
* @return string
*/
public static function splitIntoLines($content, $skipEmpty = false)
{
$last_off = 0;
$lines = array();
while (preg_match("/\r\n|\n/", $content, $m, PREG_OFFSET_CAPTURE, $last_off)) {
$next_off = strlen($m[0][0]) + $m[0][1];
$line = substr($content, $last_off, $next_off - $last_off);
$last_off = $next_off;
if ($line !== $m[0][0] || !$skipEmpty) $lines[] = $line;
}
$line = substr($content, $last_off);
if ($line !== false && strlen($line) > 0) $lines[] = $line;
return $lines;
}
/**
* This translates most of the C0 ASCII control characters into
* their visual counterparts in the 0x24## unicode plane
* (http://en.wikipedia.org/wiki/C0_and_C1_control_codes).
*
* We could add DEL (0x7F) to this set, but unfortunately this
* is not nicely mapped to 0x247F in the control plane, but 0x2421
* and adding an if expression below just for this is a little bit
* of a hassle. And of course, the more esoteric ones from C1 are
* missing as well...
*
* @param string $content
* @return string
*/
public static function emphasizeControlCharacters($content)
{
return preg_replace(
'/([\x00-\x1F])/ue',
'"$".bin2hex("\\1").""',
$content);
}
/**
* Find if a given mime type is a text file.
* This uses the output of the self::getMimeType function.
*
* @param array (Mime type, file name, extension)
* @return bool Is text
*/
public static function isText($fileinfo)
{
if (0 === strpos($fileinfo[0], 'text/')) {
return true;
}
$ext = 'mdtext php-dist h gitignore diff patch';
$extra_ext = trim(Pluf::f('idf_extra_text_ext', ''));
if (!empty($extra_ext))
$ext .= ' ' . $extra_ext;
$ext = array_merge(self::$supportedExtenstions, explode(' ' , $ext));
return (in_array($fileinfo[2], $ext));
}
public static function isImage($fileinfo) {
if (0 === strpos($fileinfo[0], 'image/')) {
return true;
}
return false;
}
}