From 9353bf0419919a3af28658ae987b0b5744ad0c40 Mon Sep 17 00:00:00 2001
From: Tony Garnock-Jones <tonyg@lshift.net>
Date: Thu, 3 Jul 2008 13:35:10 +0100
Subject: Initial commit, from repo-rebase-20080703121916_default
 (e96543d904a2)

---
 amqp_codegen.py | 156 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 156 insertions(+)
 create mode 100644 amqp_codegen.py

(limited to 'amqp_codegen.py')

diff --git a/amqp_codegen.py b/amqp_codegen.py
new file mode 100644
index 0000000..71c0801
--- /dev/null
+++ b/amqp_codegen.py
@@ -0,0 +1,156 @@
+##   The contents of this file are subject to the Mozilla Public License
+##   Version 1.1 (the "License"); you may not use this file except in
+##   compliance with the License. You may obtain a copy of the License at
+##   http://www.mozilla.org/MPL/
+##
+##   Software distributed under the License is distributed on an "AS IS"
+##   basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
+##   License for the specific language governing rights and limitations
+##   under the License.
+##
+##   The Original Code is RabbitMQ.
+##
+##   The Initial Developers of the Original Code are LShift Ltd.,
+##   Cohesive Financial Technologies LLC., and Rabbit Technologies Ltd.
+##
+##   Portions created by LShift Ltd., Cohesive Financial Technologies
+##   LLC., and Rabbit Technologies Ltd. are Copyright (C) 2007-2008
+##   LShift Ltd., Cohesive Financial Technologies LLC., and Rabbit
+##   Technologies Ltd.;
+##
+##   All Rights Reserved.
+##
+##   Contributor(s): ______________________________________.
+##
+
+from __future__ import nested_scopes
+import json
+import re
+
+def insert_base_types(d):
+    for t in ['octet', 'shortstr', 'longstr', 'short', 'long',
+              'longlong', 'bit', 'table', 'timestamp']:
+        d[t] = t
+        
+class AmqpSpec:
+    def __init__(self, filename):
+        self.spec = json.read(file(filename).read())
+
+        self.major = self.spec['major-version']
+        self.minor = self.spec['minor-version']
+        self.port =  self.spec['port']
+
+        self.domains = {}
+        insert_base_types(self.domains)
+        for entry in self.spec['domains']:
+            self.domains[ entry[0] ] = entry[1]
+
+        self.constants = []
+        for d in self.spec['constants']:
+            if d.has_key('class'):
+                klass = d['class']
+            else:
+                klass = ''
+            self.constants.append((d['name'], d['value'], klass))
+
+        self.classes = []
+        for element in self.spec['classes']:
+            self.classes.append(AmqpClass(self.spec, element))
+        
+    def allClasses(self):
+        return self.classes
+    
+    def allMethods(self):
+        return [m for c in self.classes for m in c.allMethods()]
+
+    def resolveDomain(self, n):
+        return self.domains[n]
+
+class AmqpEntity:
+    def __init__(self, element):
+        self.element = element
+        self.name = element['name']
+    
+class AmqpClass(AmqpEntity):
+    def __init__(self, spec, element):
+        AmqpEntity.__init__(self, element)
+        self.spec = spec
+        self.index = int(self.element['id'])
+
+        self.methods = []
+        for method_element in self.element['methods']:
+            self.methods.append(AmqpMethod(self, method_element))
+
+        self.hasContentProperties = False
+        for method in self.methods:
+            if method.hasContent:
+                self.hasContentProperties = True
+                break
+
+        self.fields = []
+        if self.element.has_key('properties'):
+            index = 0
+            for e in self.element['properties']:
+                self.fields.append(AmqpField(self, e, index))
+                index = index + 1
+            
+    def allMethods(self):
+        return self.methods
+
+    def __repr__(self):
+        return 'AmqpClass("' + self.name + '")'
+
+class AmqpMethod(AmqpEntity):
+    def __init__(self, klass, element):
+        AmqpEntity.__init__(self, element)
+        self.klass = klass
+        self.index = int(self.element['id'])
+        if self.element.has_key('synchronous'):
+            self.isSynchronous = self.element['synchronous']
+        else:
+            self.isSynchronous = False
+        if self.element.has_key('content'):
+            self.hasContent = self.element['content']
+        else:
+            self.hasContent = False
+        self.arguments = []
+
+        index = 0
+        for argument in element['arguments']:
+            self.arguments.append(AmqpField(self, argument, index))
+            index = index + 1
+        
+    def __repr__(self):
+        return 'AmqpMethod("' + self.klass.name + "." + self.name + '" ' + repr(self.arguments) + ')'
+
+class AmqpField(AmqpEntity):
+    def __init__(self, method, element, index):
+        AmqpEntity.__init__(self, element)
+        self.method = method
+        self.index = index
+
+        if self.element.has_key('type'):
+            self.domain = self.element['type']
+        else:
+            self.domain = self.element['domain']
+
+    def __repr__(self):
+        return 'AmqpField("' + self.name + '")'
+
+import sys
+
+def do_main(header_fn,body_fn):
+    def usage():
+        print >> sys.stderr , "Usage:"
+        print >> sys.stderr , " %s header|body path_to_amqp_spec.json" % (sys.argv[0])
+        print >> sys.stderr , ""
+    if not len(sys.argv) == 3:
+        usage()
+        sys.exit(1)
+    else:
+        if sys.argv[1] == "header":
+            header_fn(sys.argv[2])
+        elif sys.argv[1] == "body":
+            body_fn(sys.argv[2])
+        else:
+            usage()
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