gecko/js/ipc/CPOWTypes.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=8 sw=4 et tw=80:
*
2012-05-21 04:12:37 -07:00
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_jsipc_ContextWrapperTypes_h__
#define mozilla_jsipc_ContextWrapperTypes_h__
#include "jsapi.h"
#include "jspubtd.h"
using mozilla::void_t;
namespace mozilla {
namespace jsipc {
using namespace IPC;
template <typename P>
struct CPOWSingleton
{
static void Write(Message*, const P&) {}
static bool Read(const Message*, void**, P*) { return true; }
};
template <typename Type, typename As>
struct CPOWConvertible
{
static void Write(Message* m, const Type& t) {
WriteParam(m, As(t));
}
static bool Read(const Message* m, void** iter, Type* tp) {
As a;
return (ReadParam(m, iter, &a) &&
(*tp = Type(a), true));
}
};
} // namespace jsipc
} // namespace mozilla
namespace IPC {
using namespace mozilla::jsipc;
template <> struct ParamTraits<JSType> : public CPOWConvertible<JSType, int> {};
}
// TODO Use a more standard logging mechanism.
#ifdef LOGGING
#define CPOW_LOG(PRINTF_ARGS) \
JS_BEGIN_MACRO \
printf("CPOW | "); \
printf PRINTF_ARGS ; \
printf("\n"); \
JS_END_MACRO
#define JSVAL_TO_CSTR(CX, V) \
NS_ConvertUTF16toUTF8(nsString(JS_GetStringChars(JS_ValueToString(CX, V)))).get()
#else
#define CPOW_LOG(_) JS_BEGIN_MACRO JS_END_MACRO
#define JSVAL_TO_CSTR(CX, V) ((char*)0)
#endif
#endif