1 files changed, 62 insertions, 0 deletions
diff --git a/Source/WebKit2/Scripts/webkit/model.py b/Source/WebKit2/Scripts/webkit/model.py
new file mode 100644
index 000000000..ebf75ccd4
--- /dev/null
+++ b/Source/WebKit2/Scripts/webkit/model.py
@@ -0,0 +1,62 @@
+# Copyright (C) 2010, 2011 Apple Inc. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1.  Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+# 2.  Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import itertools
+
+
+class MessageReceiver(object):
+    def __init__(self, name, superclass, attributes, messages, condition):
+        self.name = name
+        self.superclass = superclass
+        self.attributes = frozenset(attributes or [])
+        self.messages = messages
+        self.condition = condition
+
+    def iterparameters(self):
+        return itertools.chain((parameter for message in self.messages for parameter in message.parameters),
+            (reply_parameter for message in self.messages if message.reply_parameters for reply_parameter in message.reply_parameters))
+
+    def has_attribute(self, attribute):
+        return attribute in self.attributes
+
+class Message(object):
+    def __init__(self, name, parameters, reply_parameters, attributes, condition):
+        self.name = name
+        self.parameters = parameters
+        self.reply_parameters = reply_parameters
+        self.attributes = frozenset(attributes or [])
+        self.condition = condition
+
+    def has_attribute(self, attribute):
+        return attribute in self.attributes
+
+
+class Parameter(object):
+    def __init__(self, kind, type, name, attributes=None, condition=None):
+        self.kind = kind
+        self.type = type
+        self.name = name
+        self.attributes = frozenset(attributes or [])
+        self.condition = condition
+
+    def has_attribute(self, attribute):
+        return attribute in self.attributes