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