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calAttributeHelpers.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
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00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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00014  *
00015  * The Original Code is Oracle Corporation code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  *  Oracle Corporation
00019  * Portions created by the Initial Developer are Copyright (C) 2004
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Vladimir Vukicevic <vladimir.vukicevic@oracle.com>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either the GNU General Public License Version 2 or later (the "GPL"), or
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00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #ifndef CALATTRIBUTEHELPERS_H_
00040 #define CALATTRIBUTEHELPERS_H_
00041 
00042 #ifndef CAL_ATTR_SET_PRE
00043 #define CAL_ATTR_SET_PRE 
00044 #endif
00045 
00046 #ifndef CAL_ATTR_SET_POST
00047 #define CAL_ATTR_SET_POST 
00048 #endif
00049 
00055 // helpers for string types
00056 #define CAL_STRINGTYPE_ATTR_GETTER(cname,mtype,name) \
00057 NS_IMETHODIMP \
00058 cname::Get##name (mtype &_retval) { \
00059     _retval.Assign(m##name); \
00060     return NS_OK; \
00061 }
00062 
00063 #define CAL_STRINGTYPE_ATTR_SETTER(cname,mtype,name) \
00064 NS_IMETHODIMP \
00065 cname::Set##name (const mtype &aValue) { \
00066     CAL_ATTR_SET_PRE; \
00067     m##name.Assign(aValue); \
00068     CAL_ATTR_SET_POST; \
00069     return NS_OK; \
00070 }
00071 
00072 #define CAL_STRINGTYPE_ATTR(cname,mtype,name) \
00073     CAL_STRINGTYPE_ATTR_GETTER(cname,mtype,name) \
00074     CAL_STRINGTYPE_ATTR_SETTER(cname,mtype,name)
00075 
00076 // helpers for value types
00077 #define CAL_VALUETYPE_ATTR_GETTER(cname,mtype,name) \
00078 NS_IMETHODIMP \
00079 cname::Get##name (mtype *_retval) { \
00080     NS_ENSURE_ARG_POINTER(_retval); \
00081     *_retval = m##name; \
00082     return NS_OK; \
00083 }
00084 
00085 #define CAL_VALUETYPE_ATTR_SETTER(cname,mtype,name) \
00086 NS_IMETHODIMP \
00087 cname::Set##name (mtype aValue) { \
00088     CAL_ATTR_SET_PRE; \
00089     if (m##name != aValue) { \
00090         m##name = aValue; \
00091         CAL_ATTR_SET_POST; \
00092     } \
00093     return NS_OK; \
00094 }
00095 
00096 #define CAL_VALUETYPE_ATTR(cname,mtype,name) \
00097     CAL_VALUETYPE_ATTR_GETTER(cname,mtype,name) \
00098     CAL_VALUETYPE_ATTR_SETTER(cname,mtype,name)
00099 
00100 // helpers for interface types
00101 #define CAL_ISUPPORTS_ATTR_GETTER(cname,mtype,name) \
00102 NS_IMETHODIMP \
00103 cname::Get##name (mtype **_retval) { \
00104     NS_ENSURE_ARG_POINTER(_retval); \
00105     NS_IF_ADDREF (*_retval = m##name); \
00106     return NS_OK; \
00107 }
00108 
00109 #define CAL_ISUPPORTS_ATTR_SETTER(cname,mtype,name) \
00110 NS_IMETHODIMP \
00111 cname::Set##name (mtype *aValue) { \
00112     CAL_ATTR_SET_PRE; \
00113     if (m##name != aValue) { \
00114         m##name = aValue; \
00115         CAL_ATTR_SET_POST; \
00116     } \
00117     return NS_OK; \
00118 }
00119 
00120 #define CAL_ISUPPORTS_ATTR(cname,mtype,name) \
00121     CAL_ISUPPORTS_ATTR_GETTER(cname,mtype,name) \
00122     CAL_ISUPPORTS_ATTR_SETTER(cname,mtype,name)
00123 
00124 
00125 #endif