Python OutputGenerator.setRegistry方法代碼示例

# 需要導入模塊: from generator import OutputGenerator [as 別名]
# 或者: from generator.OutputGenerator import setRegistry [as 別名]
class Registry:
    """Represents an API registry loaded from XML"""
    def __init__(self):
        self.tree         = None
        self.typedict     = {}
        self.groupdict    = {}
        self.enumdict     = {}
        self.cmddict      = {}
        self.apidict      = {}
        self.extensions   = []
        self.extdict      = {}
        # A default output generator, so commands prior to apiGen can report
        # errors via the generator object.
        self.gen          = OutputGenerator()
        self.genOpts      = None
        self.emitFeatures = False
    def loadElementTree(self, tree):
        """Load ElementTree into a Registry object and parse it"""
        self.tree = tree
        self.parseTree()
    def loadFile(self, file):
        """Load an API registry XML file into a Registry object and parse it"""
        self.tree = etree.parse(file)
        self.parseTree()
    def setGenerator(self, gen):
        """Specify output generator object. None restores the default generator"""
        self.gen = gen
        self.gen.setRegistry(self)

    # addElementInfo - add information about an element to the
    # corresponding dictionary
    #   elem - <type>/<enums>/<enum>/<command>/<feature>/<extension> Element
    #   info - corresponding {Type|Group|Enum|Cmd|Feature}Info object
    #   infoName - 'type' / 'group' / 'enum' / 'command' / 'feature' / 'extension'
    #   dictionary - self.{type|group|enum|cmd|api|ext}dict
    # If the Element has an 'api' attribute, the dictionary key is the
    # tuple (name,api). If not, the key is the name. 'name' is an
    # attribute of the Element
    def addElementInfo(self, elem, info, infoName, dictionary):
        if ('api' in elem.attrib):
            key = (elem.get('name'),elem.get('api'))
        else:
            key = elem.get('name')
        if key in dictionary:
            self.gen.logMsg('warn', '*** Attempt to redefine',
                            infoName, 'with key:', key)
        else:
            dictionary[key] = info
    #
    # lookupElementInfo - find a {Type|Enum|Cmd}Info object by name.
    # If an object qualified by API name exists, use that.
    #   fname - name of type / enum / command
    #   dictionary - self.{type|enum|cmd}dict
    def lookupElementInfo(self, fname, dictionary):
        key = (fname, self.genOpts.apiname)
        if (key in dictionary):
            # self.gen.logMsg('diag', 'Found API-specific element for feature', fname)
            return dictionary[key]
        elif (fname in dictionary):
            # self.gen.logMsg('diag', 'Found generic element for feature', fname)
            return dictionary[fname]
        else:
            return None
    def parseTree(self):
        """Parse the registry Element, once created"""
        # This must be the Element for the root <registry>
        self.reg = self.tree.getroot()
        #
        # Create dictionary of registry types from toplevel <types> tags
        # and add 'name' attribute to each <type> tag (where missing)
        # based on its <name> element.
        #
        # There's usually one <types> block; more are OK
        # Required <type> attributes: 'name' or nested <name> tag contents
        self.typedict = {}
        for type in self.reg.findall('types/type'):
            # If the <type> doesn't already have a 'name' attribute, set
            # it from contents of its <name> tag.
            if (type.get('name') == None):
                type.attrib['name'] = type.find('name').text
            self.addElementInfo(type, TypeInfo(type), 'type', self.typedict)
        #
        # Create dictionary of registry enum groups from <enums> tags.
        #
        # Required <enums> attributes: 'name'. If no name is given, one is
        # generated, but that group can't be identified and turned into an
        # enum type definition - it's just a container for <enum> tags.
        self.groupdict = {}
        for group in self.reg.findall('enums'):
            self.addElementInfo(group, GroupInfo(group), 'group', self.groupdict)
        #
        # Create dictionary of registry enums from <enum> tags
        #
        # <enums> tags usually define different namespaces for the values
        #   defined in those tags, but the actual names all share the
        #   same dictionary.
        # Required <enum> attributes: 'name', 'value'
        # For containing <enums> which have type="enum" or type="bitmask",
        # tag all contained <enum>s are required. This is a stopgap until
        # a better scheme for tagging core and extension enums is created.
#.........這裏部分代碼省略.........