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authormarha <marha@users.sourceforge.net>2010-05-18 13:54:22 +0000
committermarha <marha@users.sourceforge.net>2010-05-18 13:54:22 +0000
commit96bd0f520fd4a3a8c54e76638985389f60d936e0 (patch)
tree32643acb5ff4fc3b8a35c7842f94dea7d69c2c73 /libxcb/xcb-proto/src/size.py
parent4787c5a8db870b0cff2326bd750c4d96c7d84e51 (diff)
parenta457b80612b4f37be47099e9a0f38c4fc2a42252 (diff)
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svn merge "^/branches/released" .
Diffstat (limited to 'libxcb/xcb-proto/src/size.py')
-rw-r--r--libxcb/xcb-proto/src/size.py76
1 files changed, 76 insertions, 0 deletions
diff --git a/libxcb/xcb-proto/src/size.py b/libxcb/xcb-proto/src/size.py
new file mode 100644
index 000000000..5ead8b238
--- /dev/null
+++ b/libxcb/xcb-proto/src/size.py
@@ -0,0 +1,76 @@
+#!/usr/bin/python
+
+from xml.sax.saxutils import XMLFilterBase, XMLGenerator
+from xml.sax.xmlreader import AttributesImpl
+from xml.sax import make_parser
+import sys
+
+def AttributesUnion(base, **values):
+ baseitems = dict(base)
+ baseitems.update(values)
+ return AttributesImpl(baseitems)
+
+class AnnotateSize(XMLFilterBase):
+ types = {
+ 'BYTE': 1, 'BOOL': 1,
+ 'CARD8': 1, 'CARD16': 2, 'CARD32': 4,
+ 'INT8': 1, 'INT16': 2, 'INT32': 4,
+ 'char': 1, 'void': 1,
+ 'float': 4, 'double': 8,
+ 'XID': 4,
+ }
+ header = []
+ def setTypeSize(self, name, size):
+ assert not self.types.has_key(name), "size of " + name + " declared as both " + str(size) + " and " + str(self.types[name])
+ self.types[name] = size
+
+ struct = None
+ union = None
+ def startElement(self, name, attrs):
+ if name == 'xcb':
+ self.header.insert(0, attrs['header'])
+ elif name == 'field':
+ size = self.types.get(attrs['type'], 0)
+ if self.struct is not None:
+ self.totalsize += size
+ elif self.union is not None:
+ self.totalsize = max(self.totalsize, size)
+ attrs = AttributesUnion(attrs, bytes=str(size))
+ elif name == 'pad':
+ assert self.union is None
+ if self.struct is not None:
+ self.totalsize += int(attrs['bytes'])
+ elif name == 'xidtype':
+ self.setTypeSize(attrs['name'], 4)
+ elif name == 'typedef':
+ self.setTypeSize(attrs['newname'], self.types[attrs['oldname']])
+ elif name == 'struct' or name == 'union':
+ assert self.struct is None and self.union is None
+ setattr(self, name, attrs['name'])
+ self.totalsize = 0
+
+ if len(self.header) == 1 or name == 'xcb':
+ XMLFilterBase.startElement(self, name, attrs)
+
+ def characters(self, content):
+ if len(self.header) == 1:
+ XMLFilterBase.characters(self, content)
+
+ def endElement(self, name):
+ if len(self.header) == 1 or name == 'xcb':
+ XMLFilterBase.endElement(self, name)
+
+ if name == 'xcb':
+ self.header.pop(0)
+ elif name == 'struct' or name == 'union':
+ assert getattr(self, name) is not None
+ self.setTypeSize(getattr(self, name), self.totalsize)
+ setattr(self, name, None)
+ del self.totalsize
+
+annotator = AnnotateSize(make_parser())
+annotator.setContentHandler(XMLGenerator())
+if len(sys.argv) > 1:
+ annotator.parse(sys.argv[1])
+else:
+ annotator.parse(sys.stdin)