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author | marha <marha@users.sourceforge.net> | 2009-07-25 10:26:41 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-07-25 10:26:41 +0000 |
commit | 1dad159fe09ac3a88b21b98544880e5ecc0e8d54 (patch) | |
tree | 00297a0e4602eb3fda6bd602e585ceab8c9f1024 /libxcb/xcb-proto/xcbgen/state.py | |
parent | 87db695311f33c4ff560b2cafdbd1d2e421f29bb (diff) | |
download | vcxsrv-1dad159fe09ac3a88b21b98544880e5ecc0e8d54.tar.gz vcxsrv-1dad159fe09ac3a88b21b98544880e5ecc0e8d54.tar.bz2 vcxsrv-1dad159fe09ac3a88b21b98544880e5ecc0e8d54.zip |
Added xcb-proto-1.5.tar.gz. Removed old files.
Diffstat (limited to 'libxcb/xcb-proto/xcbgen/state.py')
-rw-r--r-- | libxcb/xcb-proto/xcbgen/state.py | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/libxcb/xcb-proto/xcbgen/state.py b/libxcb/xcb-proto/xcbgen/state.py new file mode 100644 index 000000000..51efc9480 --- /dev/null +++ b/libxcb/xcb-proto/xcbgen/state.py @@ -0,0 +1,166 @@ +''' +This module contains the namespace class and the singleton module class. +''' +from os.path import dirname, basename +from xml.etree.cElementTree import parse + +import matcher +from error import * +from xtypes import * + +import __main__ + +class Namespace(object): + ''' + Contains the naming information for an extension. + + Public fields: + + header is the header attribute ("header file" name). + is_ext is true for extensions, false for xproto. + major_version and minor_version are extension version info. + ext_xname is the X extension name string. + ext_name is the XCB extension name prefix. + ''' + def __init__(self, filename): + # Path info + self.path = filename + self.dir = dirname(filename) + self.file = basename(filename) + + # Parse XML + self.root = parse(filename).getroot() + self.header = self.root.get('header') + self.ns = self.header + ':' + + # Get root element attributes + if self.root.get('extension-xname', False): + self.is_ext = True + self.major_version = self.root.get('major-version') + self.minor_version = self.root.get('minor-version') + self.ext_xname = self.root.get('extension-xname') + self.ext_name = self.root.get('extension-name') + self.prefix = ('xcb', self.ext_name) + else: + self.is_ext = False + self.ext_name = '' + self.prefix = ('xcb',) + + +class Module(object): + ''' + This is the grand, encompassing class that represents an entire XCB specification. + Only gets instantiated once, in the main() routine. + + Don't need to worry about this much except to declare it and to get the namespace. + + Public fields: + namespace contains the namespace info for the spec. + ''' + open = __main__.output['open'] + close = __main__.output['close'] + + def __init__(self, filename, output): + self.namespace = Namespace(filename) + self.output = output + + self.imports = [] + self.types = {} + self.events = {} + self.errors = {} + self.all = [] + + # Register some common types + self.add_type('CARD8', '', ('uint8_t',), tcard8) + self.add_type('CARD16', '', ('uint16_t',), tcard16) + self.add_type('CARD32', '', ('uint32_t',), tcard32) + self.add_type('INT8', '', ('int8_t',), tint8) + self.add_type('INT16', '', ('int16_t',), tint16) + self.add_type('INT32', '', ('int32_t',), tint32) + self.add_type('BYTE', '', ('uint8_t',), tcard8) + self.add_type('BOOL', '', ('uint8_t',), tcard8) + self.add_type('char', '', ('char',), tchar) + self.add_type('float', '', ('float',), tfloat) + self.add_type('double', '', ('double',), tdouble) + self.add_type('void', '', ('void',), tcard8) + + # This goes out and parses the rest of the XML + def register(self): + matcher.execute(self, self.namespace) + + # Recursively resolve all types + def resolve(self): + for (name, item) in self.all: + item.resolve(self) + + # Call all the output methods + def generate(self): + self.open() + + for (name, item) in self.all: + item.out(name) + + self.close() + + # Keeps track of what's been imported so far. + def add_import(self, name, namespace): + self.imports.append((name, namespace.header)) + + def has_import(self, name): + for (name_, header) in self.imports: + if name_ == name: + return True + return False + + # Keeps track of non-request/event/error datatypes + def add_type(self, id, ns, name, item): + key = ns + id + if key in self.types: + return + self.types[key] = (name, item) + if name[:-1] == self.namespace.prefix: + self.all.append((name, item)) + + def get_type_impl(self, id, idx): + key = id + if key in self.types: + return self.types[key][idx] + + key = self.namespace.ns + id + if key in self.types: + return self.types[key][idx] + + for key in self.types.keys(): + if key.rpartition(':')[2] == id: + return self.types[key][idx] + + raise ResolveException('Type %s not found' % id) + + def get_type(self, id): + return self.get_type_impl(id, 1) + + def get_type_name(self, id): + return self.get_type_impl(id, 0) + + # Keeps track of request datatypes + def add_request(self, id, name, item): + if name[:-1] == self.namespace.prefix: + self.all.append((name, item)) + + # Keeps track of event datatypes + def add_event(self, id, name, item): + self.events[id] = (name, item) + if name[:-1] == self.namespace.prefix: + self.all.append((name, item)) + + def get_event(self, id): + return self.events[id][1] + + # Keeps track of error datatypes + def add_error(self, id, name, item): + self.errors[id] = (name, item) + if name[:-1] == self.namespace.prefix: + self.all.append((name, item)) + + def get_error(self, id): + return self.errors[id][1] |