1 files changed, 208 insertions, 0 deletions
diff --git a/qpid/cpp/rubygen/framing.0-10/constants.rb b/qpid/cpp/rubygen/framing.0-10/constants.rb
new file mode 100755
index 0000000000..85bfb96ac0
--- /dev/null
+++ b/qpid/cpp/rubygen/framing.0-10/constants.rb
@@ -0,0 +1,208 @@
+#!/usr/bin/env ruby
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+$: << ".."                      # Include .. in load path
+require 'cppgen'
+
+class ConstantsGen < CppGen
+  
+  def initialize(outdir, amqp)
+    super(outdir, amqp)
+    @namespace="qpid::framing"
+    @dir="qpid/framing"
+  end
+
+  def constants_h()
+    public_api("#{@dir}/constants.h")
+    h_file("#{@dir}/constants.h") {
+      namespace(@namespace) {
+        # Constants for class/method names.
+        scope("enum AmqpConstant {","};") {
+          l=[]
+          l.concat @amqp.constants.map { |c| "#{c.name.shout}=#{c.value}" }
+          @amqp.classes.each { |c|
+            l << "#{c.name.shout}_CLASS_ID=#{c.code}"
+            l.concat c.methods_.map { |m|
+              "#{c.name.shout}_#{m.name.shout}_METHOD_ID=#{m.code}" }
+          }
+          genl l.join(",\n")
+        }
+      }
+    }
+  end
+
+  def typecode_enum(t) "TYPE_CODE_#{t.name.shout}" end
+
+  def typecode_h_cpp
+    path="#{@dir}/TypeCode"
+    public_api(path+".h") 
+    h_file(path) {
+      include("<iosfwd>")
+      include("\"qpid/sys/IntegerTypes.h\"")
+      namespace(@namespace) { 
+        scope("enum TypeCode {", "};") {
+          genl @amqp.types.map { |t| "#{typecode_enum t} = #{t.code}" if t.code }.compact.join(",\n")
+        }
+        genl <<EOS
+
+/** True if t is a valid TypeCode value */
+bool isTypeCode(uint8_t t);
+
+/** Throw exception if not a valid TypeCode */
+TypeCode typeCode(uint8_t);
+
+/**@return 0 if t is not a valid enum TypeCode value. */
+const char* typeName(TypeCode t);
+
+std::ostream& operator<<(std::ostream&, TypeCode);
+EOS
+      }
+    }
+
+    cpp_file(path) {
+      include(path);
+      include("qpid/Exception.h")
+      include("qpid/Msg.h")
+      include("<ostream>")
+      namespace(@namespace) { 
+        scope("const char* typeName(TypeCode t) {") {
+          scope("switch (t) {") {
+            @amqp.types.each { |t| genl "case #{typecode_enum t}: return \"#{t.name}\";" if t.code }
+            genl "default: break;"
+          }
+          genl "return 0;";
+        }
+        genl <<EOS
+
+bool isTypeCode(uint8_t t) { return typeName(TypeCode(t)); }
+
+TypeCode typeCode(uint8_t t) {
+    if (!isTypeCode(t)) throw Exception(QPID_MSG("Invalid TypeCode " << t));
+    return TypeCode(t);
+}
+
+std::ostream& operator<<(std::ostream& o, TypeCode t) {
+    if (isTypeCode(t)) return o << typeName(t);
+    else return o << "Invalid TypeCode " << t;
+}
+EOS
+      }
+    }
+  end
+  
+  def enum_h()
+    public_api("#{@dir}/enum.h")
+    h_file("#{@dir}/enum.h") {
+      # Constants for enum domains.
+      namespace(@namespace) {
+        @amqp.domains.each { |d| declare_enum(d.enum) if d.enum }
+        @amqp.classes.each { |c|
+          enums=c.collect_all(AmqpEnum)
+          if !enums.empty? then
+            namespace(c.nsname) { enums.each { |e| declare_enum(e) } }
+          end
+        }
+      }
+    }
+  end
+
+  def declare_enum(enum)
+    # Generated like this: enum containing_class::Foo { FOO_X, FOO_Y; }
+    name="#{enum.parent.name.caps}"
+    prefix=enum.parent.name.shout+"_" 
+    scope("enum #{name} {","};") {
+      genl enum.choices.collect { |c| "#{prefix}#{c.name.shout}=#{c.value}" }.join(",\n")
+    }
+  end
+
+  def declare_exception(c, base, package, enum)
+    name=c.name.caps+"Exception"
+    value="#{package}::#{enum.parent.name.shout}_#{c.name.shout}"
+    genl
+    doxygen_comment { genl c.doc }
+    struct(c.name.caps+"Exception", base) {
+      genl "std::string getPrefix() const { return \"#{c.name}\"; }"
+      genl "#{c.name.caps}Exception(const std::string& msg=std::string()) : #{base}(#{value}, \"\"+msg) {}"
+    }
+  end
+
+  def declare_exceptions(class_name, domain_name, base)
+    enum = @amqp.class_(class_name).domain(domain_name).enum
+    enum.choices.each { |c| declare_exception(c, base, class_name, enum) unless c.name == "normal" }
+    genl
+    genl "QPID_COMMON_EXTERN sys::ExceptionHolder create#{base}(int code, const std::string& text);"
+  end
+
+  def create_exception(class_name, domain_name, base, invalid)
+    scope("sys::ExceptionHolder create#{base}(int code, const std::string& text) {") {
+      genl "sys::ExceptionHolder holder;"
+      scope("switch (code) {") {
+        enum = @amqp.class_(class_name).domain(domain_name).enum
+        enum.choices.each { |c|
+          assign = "holder = new #{c.name.caps}Exception(text); " unless c.name == "normal"
+          genl "case #{c.value}: #{assign}break;" 
+        }
+        genl "default: holder = new #{invalid}(QPID_MSG(\"Bad #{enum.parent.name}: \" << code << \": \" << text));"
+      }
+      genl "return holder;"
+    }
+  end
+
+  def reply_exceptions_h()
+    public_api("#{@dir}/reply_exceptions.h")
+    h_file("#{@dir}/reply_exceptions.h") {
+      include "qpid/Exception"
+      include "qpid/sys/ExceptionHolder"
+      include "qpid/framing/enum"
+      include "qpid/CommonImportExport.h"
+      namespace(@namespace) {
+        declare_exceptions("execution", "error-code", "SessionException")
+        declare_exceptions("connection", "close-code", "ConnectionException")
+        declare_exceptions("session", "detach-code", "ChannelException")
+      }
+    }
+  end
+
+  def reply_exceptions_cpp()
+    cpp_file("#{@dir}/reply_exceptions") {
+      include "#{@dir}/reply_exceptions"
+      include "qpid/Msg.h"
+      include "<sstream>"
+      include "<assert.h>"
+      namespace("qpid::framing") {
+        create_exception("execution", "error-code", "SessionException", "InvalidArgumentException")
+        # FIXME aconway 2008-10-07: there are no good exception codes in 0-10 for an invalid code.
+        # The following choices are arbitrary.
+        create_exception("connection", "close-code", "ConnectionException", "FramingErrorException")
+        create_exception("session", "detach-code", "ChannelException", "NotAttachedException")
+      }
+    }
+  end
+
+  def generate()
+    constants_h
+    enum_h
+    reply_exceptions_h
+    reply_exceptions_cpp
+    typecode_h_cpp
+  end
+end
+
+ConstantsGen.new($outdir, $amqp).generate();
+