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#!/usr/bin/env ruby
$: << ".." # Include .. in load path
require 'cppgen'
class ConstantsGen < CppGen
def initialize(outdir, amqp)
super(outdir, amqp)
@namespace="qpid::framing"
@dir="qpid/framing"
end
def constants_h()
h_file("#{@dir}/constants") {
namespace(@namespace) {
scope("enum AmqpConstant {","};") {
l=[]
l.concat @amqp.constants.map { |c| "#{c.name.shout}=#{c.value}" }
@amqp.classes.each { |c|
l << "#{c.name.shout}_CLASS_ID=#{c.index}"
l.concat c.methods_.map { |m|
"#{c.name.shout}_#{m.name.shout}_METHOD_ID=#{m.index}" }
}
genl l.join(",\n")
}}}
end
def exbase(c)
case c.class_
when "soft-error" then "ChannelException"
when "hard-error" then "ConnectionException"
end
end
def reply_exceptions_h()
h_file("#{@dir}/reply_exceptions") {
include "qpid/Exception"
namespace(@namespace) {
@amqp.constants.each { |c|
base = exbase c
if base
genl
struct(c.name.caps+"Exception", base) {
genl "#{c.name.caps}Exception(const std::string& msg=std::string()) : #{base}(#{c.value}, \"#{c.name}: \"+msg) {}"
}
end
}
genl
genl "void throwReplyException(int code, const std::string& text);"
}
}
end
def reply_exceptions_cpp()
cpp_file("#{@dir}/reply_exceptions") {
include "#{@dir}/reply_exceptions"
include "<sstream>"
namespace("qpid::framing") {
scope("void throwReplyException(int code, const std::string& text) {"){
scope("switch (code) {") {
genl "case 200: break; // No exception"
@amqp.constants.each { |c|
if exbase c
genl "case #{c.value}: throw #{c.name.caps}Exception(text);"
end
}
scope("default:","") {
genl "std::ostringstream msg;"
genl 'msg << "Invalid reply code " << code << ": " << text;'
genl 'throw InvalidArgumentException(msg.str());'
}}}}}
end
def generate()
constants_h
reply_exceptions_h
reply_exceptions_cpp
end
end
ConstantsGen.new($outdir, $amqp).generate();
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