class SyntaxMgr(object): """Class Object for managing loaded syntax data. The manager is only created once as a singleton and shared amongst all editor windows """ instance = None first = True def __init__(self, config=None): """Initialize a syntax manager. If the optional value config is set the mapping of extensions to lexers will be loaded from a config file. @keyword config: path of config file to load file extension config from """ if SyntaxMgr.first: object.__init__(self) SyntaxMgr.first = False self._extreg = ExtensionRegister() self._config = config if self._config: self._extreg.LoadFromConfig(self._config) else: self._extreg.LoadDefault() self._loaded = dict() def __new__(cls, config=None): """Ensure only a single instance is shared amongst all objects. @return: class instance """ if cls.instance is None: cls.instance = object.__new__(cls) return cls.instance def _ExtToMod(self, ext): """Gets the name of the module that is is associated with the given extension or None in the event that there is no association or that the association is plain text. @param ext: extension string to lookup module for """ ftype = self._extreg.FileTypeFromExt(ext) lexdat = synglob.LANG_MAP.get(ftype) mod = None if lexdat: mod = lexdat[2] return mod def GetLangId(self, ext): """Gets the language Id that is associated with the file extension. @param ext: extension to get lang id for """ ftype = self._extreg.FileTypeFromExt(ext) return synglob.LANG_MAP[ftype][0] def IsModLoaded(self, modname): """Checks if a module has already been loaded @param modname: name of module to lookup """ if modname in self._loaded: return True else: return False def LoadModule(self, modname): """Dynamically loads a module by name. The loading is only done if the modules data set is not already being managed @param modname: name of syntax module to load """ if modname == None: return False if not self.IsModLoaded(modname): try: self._loaded[modname] = __import__(modname, globals(), locals(), ['']) except ImportError, msg: return False return True
class SyntaxMgr(object): """Class Object for managing loaded syntax data. The manager is only created once as a singleton and shared amongst all editor windows """ instance = None first = True def __init__(self, config=None): """Initialize a syntax manager. If the optional value config is set the mapping of extensions to lexers will be loaded from a config file. @keyword config: path of config file to load file extension config from """ if self.first: object.__init__(self) self.first = False self._extreg = ExtensionRegister() self._config = config if self._config: self._extreg.LoadFromConfig(self._config) else: self._extreg.LoadDefault() self._loaded = dict() def __new__(cls, *args, **kargs): """Ensure only a single instance is shared amongst all objects. @return: class instance """ if not cls.instance: cls.instance = object.__new__(cls, *args, **kargs) return cls.instance def _ExtToMod(self, ext): """Gets the name of the module that is is associated with the given extension or None in the event that there is no association or that the association is plain text. @param ext: extension string to lookup module for """ ftype = self._extreg.FileTypeFromExt(ext) lexdat = synglob.LANG_MAP.get(ftype) mod = None if lexdat: mod = lexdat[2] return mod def GetLangId(self, ext): """Gets the language Id that is associated with the file extension. @param ext: extension to get lang id for """ ftype = self._extreg.FileTypeFromExt(ext) return synglob.LANG_MAP[ftype][0] def IsModLoaded(self, modname): """Checks if a module has already been loaded @param modname: name of module to lookup """ if modname in self._loaded: return True else: return False def LoadModule(self, modname): """Dynamically loads a module by name. The loading is only done if the modules data set is not already being managed @param modname: name of syntax module to load """ if modname == None: return False if not self.IsModLoaded(modname): try: self._loaded[modname] = __import__(modname, globals(), locals(), ['']) except ImportError: return False return True def SaveState(self): """Saves the current configuration state of the manager to disk for use in other sessions. @return: whether save was successful or not """ if not self._config or not os.path.exists(self._config): return False path = os.path.join(self._config, self._extreg.config) try: file_h = open(path, "wb") file_h.write(str(self._extreg)) file_h.close() except IOError: return False return True def SyntaxData(self, ext): """Fetches the language data based on a file extention string. The file extension is used to look up the default lexer actions from the EXT_REG dictionary. @see: L{synglob} @param ext: a string representing the file extension @return: Returns a Dictionary of Lexer Config Data """ # The Return Value syn_data = dict() lex_cfg = synglob.LANG_MAP[self._extreg.FileTypeFromExt(ext)] syn_data[LEXER] = lex_cfg[LEXER_ID] if lex_cfg[LANG_ID] == synglob.ID_LANG_TXT: syn_data[LANGUAGE] = lex_cfg[LANG_ID] # Check if module is loaded and load if necessary if not self.LoadModule(lex_cfg[MODULE]): # Bail out as nothing else can be done at this point return syn_data # This little bit of code fetches the keyword/syntax # spec set(s) from the specified module mod = self._loaded[lex_cfg[MODULE]] #HACK syn_data[KEYWORDS] = mod.Keywords(lex_cfg[LANG_ID]) syn_data[SYNSPEC] = mod.SyntaxSpec(lex_cfg[LANG_ID]) syn_data[PROPERTIES] = mod.Properties(lex_cfg[LANG_ID]) syn_data[LANGUAGE] = lex_cfg[LANG_ID] syn_data[COMMENT] = mod.CommentPattern(lex_cfg[LANG_ID]) if syn_data[LEXER] == wx.stc.STC_LEX_CONTAINER: syn_data[CLEXER] = mod.StyleText else: syn_data[CLEXER] = None syn_data[INDENTER] = getattr(mod, 'AutoIndenter', None) return syn_data