diff options
Diffstat (limited to 'qpid/cpp/rubygen/0-10/typecode.rb')
-rwxr-xr-x | qpid/cpp/rubygen/0-10/typecode.rb | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/qpid/cpp/rubygen/0-10/typecode.rb b/qpid/cpp/rubygen/0-10/typecode.rb new file mode 100755 index 0000000000..e36b92c07c --- /dev/null +++ b/qpid/cpp/rubygen/0-10/typecode.rb @@ -0,0 +1,99 @@ +#!/usr/bin/env ruby +$: << ".." # Include .. in load path +require 'cppgen' + +class TypeCode < CppGen + def initialize(outdir, amqp) + super(outdir, amqp) + @ns="qpid::amqp_#{@amqp.version.bars}" + @dir="qpid/amqp_#{@amqp.version.bars}" + @types = @amqp.collect_all(AmqpType).select { |t| t.code } + + end + + def type_for_code_h() + h_file("#{@dir}/TypeForCode") { + include "#{@dir}/built_in_types.h" + include "#{@dir}/UnknownType.h" + namespace(@ns) { + genl + genl "template <uint8_t Code> struct TypeForCode;" + genl + @types.each { |t| + genl "template <> struct TypeForCode<#{t.code}> { typedef #{t.typename} type; };" + } + genl + genl "template <class V> typename V::result_type" + scope("apply_visitor(V& visitor, uint8_t code) {") { + scope("switch (code) {", "}") { + @types.each { |t| + genl "case #{t.code}: return visitor((#{t.typename}*)0);" + } + genl "default: return visitor((UnknownType*)0);" + } + } + genl + genl "std::string typeName(uint8_t code);" + } + } + end + + def type_for_code_cpp() + cpp_file("#{@dir}/TypeForCode") { + include "<string>" + include "<sstream>" + namespace(@ns) { + namespace("") { + struct("Names") { + scope("Names() {") { + scope("for (int i =0; i < 256; ++i) {") { + genl "std::ostringstream os;" + genl "os << \"UnknownType<\" << i << \">\";" + genl "names[i] = os.str();" + } + @types.each { |t| genl "names[#{t.code}] = \"#{t.name}\";" } + } + genl "std::string names[256];" + } + genl "Names names;" + } + genl "std::string typeName(uint8_t code) { return names.names[code]; }" + }} + end + + def code_for_type_h() + name="#{@dir}/CodeForType" + h_file(name) { + include "#{@dir}/built_in_types.h" + + namespace(@ns) { + genl + genl "template <class T> struct CodeForType;" + genl + @types.each { |t| + genl "template <> struct CodeForType<#{t.typename}> { static const uint8_t value; };" + } + genl + genl "template <class T> uint8_t codeFor(const T&) { return CodeForType<T>::value; }" + } + } + + cpp_file(name) { + include name + namespace(@ns) { + @types.each { |t| + genl "const uint8_t CodeForType<#{t.typename}>::value=#{t.code};" + } + } + } + end + + def generate + type_for_code_h + type_for_code_cpp + code_for_type_h + end +end + +TypeCode.new($outdir, $amqp).generate(); + |