1 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2 : * vim: set ts=8 sw=4 et tw=80:
3 : *
4 : * ***** BEGIN LICENSE BLOCK *****
5 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6 : *
7 : * The contents of this file are subject to the Mozilla Public License Version
8 : * 1.1 (the "License"); you may not use this file except in compliance with
9 : * the License. You may obtain a copy of the License at
10 : * http://www.mozilla.org/MPL/
11 : *
12 : * Software distributed under the License is distributed on an "AS IS" basis,
13 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14 : * for the specific language governing rights and limitations under the
15 : * License.
16 : *
17 : * The Original Code is mozilla.org code.
18 : *
19 : * The Initial Developer of the Original Code is
20 : * The Mozilla Foundation.
21 : * Portions created by the Initial Developer are Copyright (C) 2010
22 : * the Initial Developer. All Rights Reserved.
23 : *
24 : * Contributor(s):
25 : * Ben Newman <b{enjam,newma}n@mozilla.com> (original author)
26 : *
27 : * Alternatively, the contents of this file may be used under the terms of
28 : * either of the GNU General Public License Version 2 or later (the "GPL"),
29 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
30 : * in which case the provisions of the GPL or the LGPL are applicable instead
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38 : *
39 : * ***** END LICENSE BLOCK ***** */
40 :
41 : #ifndef mozilla_jsipc_ContextWrapperTypes_h__
42 : #define mozilla_jsipc_ContextWrapperTypes_h__
43 :
44 : #include "jsapi.h"
45 : #include "jspubtd.h"
46 :
47 : using mozilla::void_t;
48 :
49 : namespace mozilla {
50 : namespace jsipc {
51 :
52 : using namespace IPC;
53 :
54 : template <typename P>
55 : struct CPOWSingleton
56 : {
57 : static void Write(Message*, const P&) {}
58 : static bool Read(const Message*, void**, P*) { return true; }
59 : };
60 :
61 : template <typename Type, typename As>
62 : struct CPOWConvertible
63 : {
64 0 : static void Write(Message* m, const Type& t) {
65 0 : WriteParam(m, As(t));
66 0 : }
67 0 : static bool Read(const Message* m, void** iter, Type* tp) {
68 : As a;
69 : return (ReadParam(m, iter, &a) &&
70 0 : (*tp = Type(a), true));
71 : }
72 : };
73 :
74 : } // namespace jsipc
75 : } // namespace mozilla
76 :
77 : namespace IPC {
78 :
79 : using namespace mozilla::jsipc;
80 :
81 : template <> struct ParamTraits<JSType> : public CPOWConvertible<JSType, int> {};
82 :
83 : }
84 :
85 : // TODO Use a more standard logging mechanism.
86 : #ifdef LOGGING
87 : #define CPOW_LOG(PRINTF_ARGS) \
88 : JS_BEGIN_MACRO \
89 : printf("CPOW | "); \
90 : printf PRINTF_ARGS ; \
91 : printf("\n"); \
92 : JS_END_MACRO
93 : #define JSVAL_TO_CSTR(CX, V) \
94 : NS_ConvertUTF16toUTF8(nsString(JS_GetStringChars(JS_ValueToString(CX, V)))).get()
95 : #else
96 : #define CPOW_LOG(_) JS_BEGIN_MACRO JS_END_MACRO
97 : #define JSVAL_TO_CSTR(CX, V) ((char*)0)
98 : #endif
99 :
100 : #endif
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