544 lines
15 KiB
PHP
544 lines
15 KiB
PHP
<?php
|
|
require_once ('global.php');
|
|
require_once (CRAYON_RESOURCE_PHP);
|
|
|
|
class CrayonLangsResourceType {
|
|
const EXTENSION = 0;
|
|
const ALIAS = 1;
|
|
const DELIMITER = 2;
|
|
}
|
|
|
|
/* Manages languages once they are loaded. The parser directly loads them, saves them here. */
|
|
class CrayonLangs extends CrayonUserResourceCollection {
|
|
// Properties and Constants ===============================================
|
|
// CSS classes for known elements
|
|
private static $known_elements = array('COMMENT' => 'c', 'PREPROCESSOR' => 'p', 'STRING' => 's', 'KEYWORD' => 'k',
|
|
'STATEMENT' => 'st', 'RESERVED' => 'r', 'TYPE' => 't', 'TAG' => 'ta', 'MODIFIER' => 'm', 'IDENTIFIER' => 'i',
|
|
'ENTITY' => 'e', 'VARIABLE' => 'v', 'CONSTANT' => 'cn', 'OPERATOR' => 'o', 'SYMBOL' => 'sy',
|
|
'NOTATION' => 'n', 'FADED' => 'f', CrayonParser::HTML_CHAR => 'h', CrayonParser::CRAYON_ELEMENT => 'crayon-internal-element');
|
|
const DEFAULT_LANG = 'default';
|
|
const DEFAULT_LANG_NAME = 'Default';
|
|
|
|
const RESOURCE_TYPE = 'CrayonLangsResourceType';
|
|
|
|
// Used to cache the objects, since they are unlikely to change during a single run
|
|
private static $resource_cache = array();
|
|
|
|
// Methods ================================================================
|
|
public function __construct() {
|
|
$this->set_default(self::DEFAULT_LANG, self::DEFAULT_LANG_NAME);
|
|
$this->directory(CRAYON_LANG_PATH);
|
|
$this->relative_directory(CRAYON_LANG_DIR);
|
|
$this->extension('txt');
|
|
|
|
CrayonLog::debug("Setting lang directories");
|
|
$upload = CrayonGlobalSettings::upload_path();
|
|
if ($upload) {
|
|
$this->user_directory($upload . CRAYON_LANG_DIR);
|
|
if (!is_dir($this->user_directory())) {
|
|
CrayonGlobalSettings::mkdir($this->user_directory());
|
|
CrayonLog::debug($this->user_directory(), "LANG USER DIR");
|
|
}
|
|
} else {
|
|
CrayonLog::syslog("Upload directory is empty: " . $upload . " cannot load languages.");
|
|
}
|
|
CrayonLog::debug($this->directory());
|
|
CrayonLog::debug($this->user_directory());
|
|
}
|
|
|
|
public function filename($id, $user = NULL) {
|
|
return $id."/$id.".$this->extension();
|
|
}
|
|
|
|
// XXX Override
|
|
public function load_process() {
|
|
parent::load_process();
|
|
$this->load_exts();
|
|
$this->load_aliases();
|
|
$this->load_delimiters(); // TODO check for setting?
|
|
}
|
|
|
|
public function load_resources($dir = NULL) {
|
|
parent::load_resources($dir);
|
|
|
|
}
|
|
|
|
// XXX Override
|
|
public function create_user_resource_instance($id, $name = NULL) {
|
|
return new CrayonLang($id, $name);
|
|
}
|
|
|
|
// XXX Override
|
|
public function add_default() {
|
|
$result = parent::add_default();
|
|
if ($this->is_state_loading() && !$result) {
|
|
// Default not added, must already be loaded, ready to parse
|
|
CrayonParser::parse(self::DEFAULT_LANG);
|
|
}
|
|
}
|
|
|
|
/* Attempts to detect the language based on extension, otherwise falls back to fallback language given.
|
|
* Returns a CrayonLang object. */
|
|
public function detect($path, $fallback_id = NULL) {
|
|
$this->load();
|
|
extract(pathinfo($path));
|
|
|
|
// If fallback id if given
|
|
if ($fallback_id == NULL) {
|
|
// Otherwise use global fallback
|
|
$fallback_id = CrayonGlobalSettings::get(CrayonSettings::FALLBACK_LANG);
|
|
}
|
|
// Attempt to use fallback
|
|
$fallback = $this->get($fallback_id);
|
|
// Use extension before trying fallback
|
|
$extension = isset($extension) ? $extension : '';
|
|
|
|
if ( !empty($extension) && ($lang = $this->ext($extension)) || ($lang = $this->get($extension)) ) {
|
|
// If extension is found, attempt to find a language for it.
|
|
// If that fails, attempt to load a language with the same id as the extension.
|
|
return $lang;
|
|
} else if ($fallback != NULL || $fallback = $this->get_default()) {
|
|
// Resort to fallback if loaded, or fallback to default
|
|
return $fallback;
|
|
} else {
|
|
// No language found
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
/* Load all extensions and add them into each language. */
|
|
private function load_exts() {
|
|
// Load only once
|
|
if (!$this->is_state_loading()) {
|
|
return;
|
|
}
|
|
if ( ($lang_exts = self::load_attr_file(CRAYON_LANG_EXT)) !== FALSE ) {
|
|
foreach ($lang_exts as $lang_id=>$exts) {
|
|
$lang = $this->get($lang_id);
|
|
$lang->ext($exts);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Load all extensions and add them into each language. */
|
|
private function load_aliases() {
|
|
// Load only once
|
|
if (!$this->is_state_loading()) {
|
|
return;
|
|
}
|
|
if ( ($lang_aliases = self::load_attr_file(CRAYON_LANG_ALIAS)) !== FALSE ) {
|
|
foreach ($lang_aliases as $lang_id=>$aliases) {
|
|
$lang = $this->get($lang_id);
|
|
$lang->alias($aliases);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Load all extensions and add them into each language. */
|
|
private function load_delimiters() {
|
|
// Load only once
|
|
if (!$this->is_state_loading()) {
|
|
return;
|
|
}
|
|
if ( ($lang_delims = self::load_attr_file(CRAYON_LANG_DELIM)) !== FALSE ) {
|
|
foreach ($lang_delims as $lang_id=>$delims) {
|
|
$lang = $this->get($lang_id);
|
|
$lang->delimiter($delims);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Used to load aliases and extensions to languages
|
|
private function load_attr_file($path) {
|
|
if ( ($lines = CrayonUtil::lines($path, 'lwc')) !== FALSE) {
|
|
$attributes = array(); // key = language id, value = array of attr
|
|
foreach ($lines as $line) {
|
|
preg_match('#^[\t ]*([^\r\n\t ]+)[\t ]+([^\r\n]+)#', $line, $matches);
|
|
if (count($matches) == 3 && $lang = $this->get($matches[1])) {
|
|
// If the langauges of the attribute exists, return it in an array
|
|
// TODO merge instead of replace key?
|
|
$attributes[$matches[1]] = explode(' ', $matches[2]);
|
|
}
|
|
}
|
|
return $attributes;
|
|
} else {
|
|
CrayonLog::syslog('Could not load attr file: ' . $path);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/* Returns the CrayonLang for the given extension */
|
|
public function ext($ext) {
|
|
$this->load();
|
|
foreach ($this->get() as $lang) {
|
|
if ($lang->has_ext($ext)) {
|
|
return $lang;
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/* Returns the CrayonLang for the given alias */
|
|
public function alias($alias) {
|
|
$this->load();
|
|
foreach ($this->get() as $lang) {
|
|
if ($lang->has_alias($alias)) {
|
|
return $lang;
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/* Fetches a resource. Type is an int from CrayonLangsResourceType. */
|
|
public function fetch($type, $reload = FALSE, $keep_empty_fetches = FALSE) {
|
|
$this->load();
|
|
|
|
if (!array_key_exists($type, self::$resource_cache) || $reload) {
|
|
$fetches = array();
|
|
foreach ($this->get() as $lang) {
|
|
|
|
switch ($type) {
|
|
case CrayonLangsResourceType::EXTENSION:
|
|
$fetch = $lang->ext();
|
|
break;
|
|
case CrayonLangsResourceType::ALIAS:
|
|
$fetch = $lang->alias();
|
|
break;
|
|
case CrayonLangsResourceType::DELIMITER:
|
|
$fetch = $lang->delimiter();
|
|
break;
|
|
default:
|
|
return FALSE;
|
|
}
|
|
|
|
if ( !empty($fetch) || $keep_empty_fetches ) {
|
|
$fetches[$lang->id()] = $fetch;
|
|
}
|
|
}
|
|
self::$resource_cache[$type] = $fetches;
|
|
}
|
|
return self::$resource_cache[$type];
|
|
}
|
|
|
|
public function extensions($reload = FALSE) {
|
|
return $this->fetch(CrayonLangsResourceType::EXTENSION, $reload);
|
|
}
|
|
|
|
public function aliases($reload = FALSE) {
|
|
return $this->fetch(CrayonLangsResourceType::ALIAS, $reload);
|
|
}
|
|
|
|
public function delimiters($reload = FALSE) {
|
|
return $this->fetch(CrayonLangsResourceType::DELIMITER, $reload);
|
|
}
|
|
|
|
public function extensions_inverted($reload = FALSE) {
|
|
$extensions = $this->extensions($reload);
|
|
$inverted = array();
|
|
foreach ($extensions as $lang=>$exts) {
|
|
foreach ($exts as $ext) {
|
|
$inverted[$ext] = $lang;
|
|
}
|
|
}
|
|
return $inverted;
|
|
}
|
|
|
|
public function ids_and_aliases($reload = FALSE) {
|
|
$fetch = $this->fetch(CrayonLangsResourceType::ALIAS, $reload, TRUE);
|
|
foreach ($fetch as $id=>$alias_array) {
|
|
$ids_and_aliases[] = $id;
|
|
foreach ($alias_array as $alias) {
|
|
$ids_and_aliases[] = $alias;
|
|
}
|
|
}
|
|
return $ids_and_aliases;
|
|
}
|
|
|
|
/* Return the array of valid elements or a particular element value */
|
|
public static function known_elements($name = NULL) {
|
|
if ($name === NULL) {
|
|
return self::$known_elements;
|
|
} else if (is_string($name) && array_key_exists($name, self::$known_elements)) {
|
|
return self::$known_elements[$name];
|
|
} else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/* Verify an element is valid */
|
|
public static function is_known_element($name) {
|
|
return self::known_elements($name) !== FALSE;
|
|
}
|
|
|
|
/* Compare two languages by name */
|
|
public static function langcmp($a, $b) {
|
|
$a = strtolower($a->name());
|
|
$b = strtolower($b->name());
|
|
if ($a == $b) {
|
|
return 0;
|
|
} else {
|
|
return ($a < $b) ? -1 : 1;
|
|
}
|
|
}
|
|
|
|
public static function sort_by_name($langs) {
|
|
// Sort by name
|
|
usort($langs, 'CrayonLangs::langcmp');
|
|
$sorted_lags = array();
|
|
foreach ($langs as $lang) {
|
|
$sorted_lags[$lang->id()] = $lang;
|
|
}
|
|
return $sorted_lags;
|
|
}
|
|
|
|
public function is_parsed($id = NULL) {
|
|
if ($id === NULL) {
|
|
// Determine if all langs are successfully parsed
|
|
foreach ($this->get() as $lang) {
|
|
if ($lang->state() != CrayonLang::PARSED_SUCCESS) {
|
|
return FALSE;
|
|
}
|
|
}
|
|
return TRUE;
|
|
} else if (($lang = $this->get($id)) != FALSE) {
|
|
return $lang->is_parsed();
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
public function is_default($id) {
|
|
if (($lang = $this->get($id)) != FALSE) {
|
|
return $lang->is_default();
|
|
}
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/* Individual language. */
|
|
class CrayonLang extends CrayonVersionResource {
|
|
private $ext = array();
|
|
private $aliases = array();
|
|
private $delimiters = '';
|
|
// Associative array of CrayonElement objects
|
|
private $elements = array();
|
|
//private $regex = '';
|
|
private $state = self::UNPARSED;
|
|
private $modes = array();
|
|
// Whether this language allows Multiple Highlighting from other languages
|
|
const PARSED_ERRORS = -1;
|
|
const UNPARSED = 0;
|
|
const PARSED_SUCCESS = 1;
|
|
|
|
function __construct($id, $name = NULL) {
|
|
parent::__construct($id, $name);
|
|
$this->modes = CrayonParser::modes();
|
|
}
|
|
|
|
// Override
|
|
function clean_id($id) {
|
|
$id = CrayonUtil::space_to_hyphen( strtolower(trim($id)) );
|
|
return preg_replace('/[^\w\-+#]/msi', '', $id);
|
|
}
|
|
|
|
function ext($ext = NULL) {
|
|
if ($ext === NULL) {
|
|
return $this->ext;
|
|
} else if (is_array($ext) && !empty($ext)) {
|
|
foreach ($ext as $e) {
|
|
$this->ext($e);
|
|
}
|
|
} else if (is_string($ext) && !empty($ext) && !in_array($ext, $this->ext)) {
|
|
$ext = strtolower($ext);
|
|
$ext = str_replace('.', '', $ext);
|
|
$this->ext[] = $ext;
|
|
}
|
|
}
|
|
|
|
function has_ext($ext) {
|
|
return is_string($ext) && in_array($ext, $this->ext);
|
|
}
|
|
|
|
function alias($alias = NULL) {
|
|
if ($alias === NULL) {
|
|
return $this->aliases;
|
|
} else if (is_array($alias) && !empty($alias)) {
|
|
foreach ($alias as $a) {
|
|
$this->alias($a);
|
|
}
|
|
} else if (is_string($alias) && !empty($alias) && !in_array($alias, $this->aliases)) {
|
|
$alias = strtolower($alias);
|
|
$this->aliases[] = $alias;
|
|
}
|
|
}
|
|
|
|
function has_alias($alias) {
|
|
return is_string($alias) && in_array($alias, $this->aliases);
|
|
}
|
|
|
|
function delimiter($delim = NULL) {
|
|
if ($delim === NULL) {
|
|
return $this->delimiters;
|
|
// Convert to regex for capturing delimiters
|
|
} else if (is_string($delim) && !empty($delim)) {
|
|
$this->delimiters = '(?:'.$delim.')';
|
|
} else if (is_array($delim) && !empty($delim)) {
|
|
for ($i = 0; $i < count($delim); $i++) {
|
|
$delim[$i] = CrayonUtil::esc_atomic($delim[$i]);
|
|
}
|
|
|
|
$this->delimiters = '(?:'.implode(')|(?:', $delim).')';
|
|
}
|
|
}
|
|
|
|
function regex($element = NULL) {
|
|
if ($element == NULL) {
|
|
$regexes = array();
|
|
foreach ($this->elements as $element) {
|
|
$regexes[] = $element->regex();
|
|
}
|
|
return '#' . '(?:('. implode(')|(', array_values($regexes)) . '))' . '#' .
|
|
($this->mode(CrayonParser::CASE_INSENSITIVE) ? 'i' : '') .
|
|
($this->mode(CrayonParser::MULTI_LINE) ? 'm' : '') .
|
|
($this->mode(CrayonParser::SINGLE_LINE) ? 's' : '');
|
|
} else if (is_string($element) && array_key_exists($element, $this->elements)) {
|
|
return $this->elements[$element]->regex();
|
|
}
|
|
}
|
|
|
|
// Retrieve by element name or set by CrayonElement
|
|
function element($name, $element = NULL) {
|
|
if (is_string($name)) {
|
|
$name = trim(strtoupper($name));
|
|
if (array_key_exists($name, $this->elements) && $element === NULL) {
|
|
return $this->elements[$name];
|
|
} else if (@get_class($element) == CRAYON_ELEMENT_CLASS) {
|
|
$this->elements[$name] = $element;
|
|
}
|
|
}
|
|
}
|
|
|
|
function elements() {
|
|
return $this->elements;
|
|
}
|
|
|
|
function mode($name = NULL, $value = NULL) {
|
|
if (is_string($name) && CrayonParser::is_mode($name)) {
|
|
$name = trim(strtoupper($name));
|
|
if ($value == NULL && array_key_exists($name, $this->modes)) {
|
|
return $this->modes[$name];
|
|
} else if (is_string($value)) {
|
|
if (CrayonUtil::str_equal_array(trim($value), array('ON', 'YES', '1'))) {
|
|
$this->modes[$name] = TRUE;
|
|
} else if (CrayonUtil::str_equal_array(trim($value), array('OFF', 'NO', '0'))) {
|
|
$this->modes[$name] = FALSE;
|
|
}
|
|
}
|
|
} else {
|
|
return $this->modes;
|
|
}
|
|
}
|
|
|
|
function state($state = NULL) {
|
|
if ($state === NULL) {
|
|
return $this->state;
|
|
} else if (is_int($state)) {
|
|
if ($state < 0) {
|
|
$this->state = self::PARSED_ERRORS;
|
|
} else if ($state > 0) {
|
|
$this->state = self::PARSED_SUCCESS;
|
|
} else if ($state == 0) {
|
|
$this->state = self::UNPARSED;
|
|
}
|
|
}
|
|
}
|
|
|
|
function state_info() {
|
|
switch ($this->state) {
|
|
case self::PARSED_ERRORS :
|
|
return 'Parsed With Errors';
|
|
case self::PARSED_SUCCESS :
|
|
return 'Successfully Parsed';
|
|
case self::UNPARSED :
|
|
return 'Not Parsed';
|
|
default :
|
|
return 'Undetermined';
|
|
}
|
|
}
|
|
|
|
function is_parsed() {
|
|
return ($this->state != self::UNPARSED);
|
|
}
|
|
|
|
function is_default() {
|
|
return $this->id() == CrayonLangs::DEFAULT_LANG;
|
|
}
|
|
}
|
|
|
|
class CrayonElement {
|
|
// The pure regex syntax without any modifiers or delimiters
|
|
private $name = '';
|
|
private $css = '';
|
|
private $regex = '';
|
|
private $fallback = '';
|
|
private $path = '';
|
|
|
|
function __construct($name, $path, $regex = '') {
|
|
$this->name($name);
|
|
$this->path($path);
|
|
$this->regex($regex);
|
|
}
|
|
|
|
function __toString() {
|
|
return $this->regex();
|
|
}
|
|
|
|
function name($name = NULL) {
|
|
if ($name == NULL) {
|
|
return $this->name;
|
|
} else if (is_string($name)) {
|
|
$name = trim(strtoupper($name));
|
|
if (CrayonLangs::is_known_element($name)) {
|
|
// If known element, set CSS to known class
|
|
$this->css(CrayonLangs::known_elements($name));
|
|
}
|
|
$this->name = $name;
|
|
}
|
|
}
|
|
|
|
function regex($regex = NULL) {
|
|
if ($regex == NULL) {
|
|
return $this->regex;
|
|
} else if (is_string($regex)) {
|
|
if (($result = CrayonParser::validate_regex($regex, $this)) !== FALSE) {
|
|
$this->regex = $result;
|
|
} else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Expects: 'class1 class2 class3'
|
|
function css($css = NULL) {
|
|
if ($css == NULL) {
|
|
return $this->css;
|
|
} else if (is_string($css)) {
|
|
$this->css = CrayonParser::validate_css($css);
|
|
}
|
|
}
|
|
|
|
function fallback($fallback = NULL) {
|
|
if ($fallback == NULL) {
|
|
return $this->fallback;
|
|
} else if (is_string($fallback) && CrayonLangs::is_known_element($fallback)) {
|
|
$this->fallback = $fallback;
|
|
}
|
|
}
|
|
|
|
function path($path = NULL) {
|
|
if ($path == NULL) {
|
|
return $this->path;
|
|
} else if (is_string($path) && @file_exists($path)) {
|
|
$this->path = $path;
|
|
}
|
|
}
|
|
} |