* 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

1 files changed, 67 insertions, 0 deletions

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();
+