gecko-dev/lib/libmsg/msgstrob.h

124 строки
2.9 KiB
C
Исходник Обычный вид История

1998-06-23 02:39:40 +04:00
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
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*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
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*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
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*/
#ifndef MSGSTROB_H
#define MSGSTROB_H
class XPStringObj
{
public:
~XPStringObj();
XPStringObj(const char *str = 0);
XPStringObj & operator =(const XPStringObj &xpStringObj);
XPStringObj & operator =(const char *str);
operator const char*() const;
XPStringObj & operator +=(const char chr);
XPStringObj & operator +=(const char *str);
XPStringObj & operator +=(XPStringObj &xpStringObj);
char operator [](int charIdx);
void SetStrPtr(char *str);
protected:
friend char * operator +(const XPStringObj &xpStringObj, const char *str);
friend char * operator +(const XPStringObj &xpStringObj1, const XPStringObj &xpStringObj2);
friend char * operator +(const char *str,const XPStringObj &xpStringObj);
char *m_strPtr;
};
inline XPStringObj::~XPStringObj()
{
if (m_strPtr)
XP_FREE(m_strPtr);
}
inline XPStringObj::XPStringObj(const char *str)
{
m_strPtr = (str) ? XP_STRDUP(str) : 0;
}
inline XPStringObj &XPStringObj::operator =(const XPStringObj &xpStringObj)
{
XP_FREEIF(m_strPtr);
m_strPtr = (xpStringObj.m_strPtr) ? XP_STRDUP(xpStringObj.m_strPtr) : 0;
return *this;
}
inline XPStringObj &XPStringObj::operator =(const char *str)
{
XP_FREEIF(m_strPtr);
m_strPtr = XP_STRDUP(str);
return *this;
}
inline XPStringObj::operator const char *(void) const
{
return m_strPtr;
}
inline XPStringObj &XPStringObj::operator +=(const char chr)
{
char str[2];
*str = chr;
str[1] = '\0';
m_strPtr = XP_AppendStr(m_strPtr, str);
return *this;
}
inline XPStringObj &XPStringObj::operator +=(const char *str)
{
m_strPtr = XP_AppendStr(m_strPtr, str);
return *this;
}
/*
* This operator is envoked by compiler generated code when
* concatenating another string on the end of this string.
*/
inline XPStringObj &XPStringObj::operator +=(XPStringObj &str)
{
m_strPtr = XP_AppendStr(m_strPtr, str.m_strPtr);
return *this;
}
inline char XPStringObj::operator [](int charIdx)
{
XP_ASSERT(m_strPtr && charIdx < (int) XP_STRLEN(m_strPtr));
return (m_strPtr) ? m_strPtr[charIdx] : 0;
}
inline void XPStringObj::SetStrPtr(char *str)
{
XP_FREEIF(m_strPtr);
m_strPtr = str;
}
#endif