From 22c323f9c9348a651e1f78913b438535b554edfc Mon Sep 17 00:00:00 2001
From: Alan Conway <aconway@apache.org>
Date: Thu, 9 Aug 2007 22:31:59 +0000
Subject: 	* src/qpid/framing/MethodHolder.h, .cpp: 	  Replace
 boost::variant with Blob. 	* rubygen/templates/MethodHolder.rb: 	 
 Generate support files for Blob-based MethodHolder. 	* src/Makefile.am:
 generate MethodHolder suppport files. 	* rubygen/cppgen.rb: Minor
 fixes/enhancements.

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk@564409 13f79535-47bb-0310-9956-ffa450edef68
---
 qpid/cpp/rubygen/cppgen.rb                 |  8 ++--
 qpid/cpp/rubygen/templates/MethodHolder.rb | 67 ++++++++++++++++++++++++++++++
 2 files changed, 72 insertions(+), 3 deletions(-)
 create mode 100755 qpid/cpp/rubygen/templates/MethodHolder.rb

(limited to 'qpid/cpp/rubygen')

diff --git a/qpid/cpp/rubygen/cppgen.rb b/qpid/cpp/rubygen/cppgen.rb
index 8feaeb9ba5..64987e763f 100755
--- a/qpid/cpp/rubygen/cppgen.rb
+++ b/qpid/cpp/rubygen/cppgen.rb
@@ -136,7 +136,9 @@ class CppGen < Generator
   end
 
   def include(header)
-    genl /<.*>/.match(header) ? "#include #{header}" : "#include \"#{header}\""
+    header+=".h" unless /(\.h|[">])$/===header
+    header="\"#{header}\"" unless /(^<.*>$)|(^".*"$)/===header
+    genl "#include #{header}"
   end
 
   def scope(open="{",close="}", &block) 
@@ -154,11 +156,11 @@ class CppGen < Generator
     genl
   end
 
-  def struct_class(type, name, *bases, &block)
+  def struct_class(type, name, bases, &block)
     genl
     gen "#{type} #{name}"
     gen ": #{bases.join(', ')}" unless bases.empty?
-    scope(" {","};", &block)
+    scope(" {","};") { yield }
   end
 
   def struct(name, *bases, &block) struct_class("struct", name, bases, &block); end
diff --git a/qpid/cpp/rubygen/templates/MethodHolder.rb b/qpid/cpp/rubygen/templates/MethodHolder.rb
new file mode 100755
index 0000000000..a99270055f
--- /dev/null
+++ b/qpid/cpp/rubygen/templates/MethodHolder.rb
@@ -0,0 +1,67 @@
+#!/usr/bin/env ruby
+$: << ".."                      # Include .. in load path
+require 'cppgen'
+
+class MethodHolderGen < CppGen
+  
+  def initialize(outdir, amqp)
+    super(outdir, amqp)
+    @namespace="qpid::framing"
+    @classname="MethodHolder"
+    @filename="qpid/framing/MethodHolder"
+  end
+
+  def gen_max_size()
+    # Generate program to generate MaxSize.h
+    cpp_file("generate_#{@classname}MaxSize_h") {
+      @amqp.amqp_methods.each { |m| include "qpid/framing/#{m.body_name}" }
+      genl
+      include "<algorithm>"
+      include "<fstream>"
+      genl
+      genl "using namespace std;"
+      genl "using namespace qpid::framing;"
+      genl
+      scope("int main(int argc, char** argv) {") {
+        genl "size_t maxSize=0;"
+        @amqp.amqp_methods.each { |m|
+          genl "maxSize=max(maxSize, sizeof(#{m.body_name}));" }
+        gen <<EOS
+ofstream out("#{@filename}MaxSize.h");
+out << "// GENERATED CODE: generated by " << argv[0] << endl;
+out << "namespace qpid{ namespace framing { " << endl;
+out << "const size_t MAX_METHODBODY_SIZE=" << maxSize << ";" << endl;
+out << "}}" << endl;
+EOS
+      }
+    }
+  end
+
+  def gen_construct
+    cpp_file(@filename+"_construct") {
+      include @filename
+      @amqp.amqp_methods.each { |m| include "qpid/framing/#{m.body_name}" }
+      genl
+      namespace(@namespace) { 
+        scope("void #{@classname}::construct(const Id& newId) {") {
+          scope("switch (newId.first) {") {
+            @amqp.amqp_classes.each { |c|
+              scope("case #{c.index}: switch(newId.second) {") {
+                c.amqp_methods.each { |m|
+                  genl "case #{m.index}: blob.construct(in_place<#{m.body_name}>()); break;"
+                }}
+              genl "break;"
+            }}
+          genl "id=newId;";
+        }}}
+  end
+
+
+  def generate
+    gen_max_size
+    gen_construct
+  end
+end
+
+MethodHolderGen.new(Outdir, Amqp).generate();
+
-- 
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