Ruby code generator for C++.

Not yet in active use yet but two sample templates are provided.

Note: same dependency story as java codegen: distribution has pre-generated
code so ruby not required to build a distro. Only required for svn working
copy builds.


git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@561468 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 85 insertions, 0 deletions

diff --git a/cpp/rubygen/samples/Operations.rb b/cpp/rubygen/samples/Operations.rb
new file mode 100755
index 0000000000..1c245ca188
--- /dev/null
+++ b/cpp/rubygen/samples/Operations.rb
@@ -0,0 +1,85 @@
+#!/usr/bin/env ruby
+# Usage: output_directory xml_spec_file [xml_spec_file...]
+# 
+$: << '..'
+require 'cppgen'
+
+class OperationsGen < CppGen
+
+  def initialize(chassis, outdir, amqp)
+    super(outdir, amqp)
+    @chassis=chassis
+    @classname="AMQP_#{@chassis.caps}Operations"
+  end
+  
+  def handler_method (m)
+    gen "\nvirtual void #{m.cppname}("
+    gen m.signature.join(",\n")
+    gen ") = 0;\n"
+  end
+
+  def handler_classname(c) c.name.caps+"Handler"; end
+
+  def handler_class(c)
+    handlerclass=handler_classname c
+    gen <<EOS
+// ==================== class #{handlerclass} ====================
+class #{handlerclass} : Invocable {
+    // Constructors and destructors
+  public:
+    #{handlerclass}(){};
+    virtual ~#{handlerclass}() {}
+    // Protocol methods
+EOS
+    c.methods_on(@chassis).each { |m| handler_method(m) }
+    gen <<EOS
+}; // class #{handlerclass}
+
+
+EOS
+  end
+
+  def handler_get(c)
+    handlerclass=handler_classname c
+    gen "virtual #{handlerclass}* get#{handlerclass}() = 0;\n"
+  end
+
+  def generate()
+    h_file("#{@classname}.h") { 
+      gen <<EOS
+#include <sstream> 
+#include "qpid/framing/ProtocolVersion.h"
+
+namespace qpid {
+namespace framing {
+
+class #{@classname} {
+
+  public:
+    virtual ~#{@classname}() {}
+
+    virtual ProtocolVersion getVersion() const = 0;
+
+    // Include framing constant declarations
+    #include "AMQP_Constants.h"
+
+    // Inner classes
+EOS
+  indent { @amqp.classes.each { |c| handler_class(c) } }
+  gen <<EOS
+
+    // Method handler get methods
+
+EOS
+  indent { @amqp.classes.each { |c| handler_get(c) } }
+  gen <<EOS
+}; /* class #{@classname} */
+}
+EOS
+}
+  end
+end
+
+OperationsGen.new("client",ARGV[0], Amqp).generate()
+OperationsGen.new("server",ARGV[0], Amqp).generate()
+