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101 lines
2.7 KiB
C++
101 lines
2.7 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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// StringUtils.h
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//
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// Small replacements for the standard string class which is
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// probably too big and complicated for our needs.
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#include "prprf.h"
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#include "plstr.h"
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#include "LogModule.h"
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// TemporaryStringCopy
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//
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// Make a copy of a string, for temporary use. Intended to be used
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// statically.
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class TemporaryStringCopy
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{
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char* mCopy;
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public:
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// Make a copy of a string
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TemporaryStringCopy(const char* inStringToCopy)
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{
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mCopy = new char[PL_strlen(inStringToCopy)+1];
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PL_strcpy(mCopy, inStringToCopy);
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}
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// Make a copy of the first len characters of the string */
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TemporaryStringCopy(const char *inStringToCopy, Int32 len)
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{
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mCopy = new char[len+1];
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mCopy = PL_strncpy(mCopy, inStringToCopy, len);
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mCopy[len] = 0;
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}
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~TemporaryStringCopy() { delete [] mCopy; }
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char& operator[](int inIndex) { return mCopy[inIndex]; }
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operator char*(void) { return mCopy; }
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#ifdef DEBUG
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private:
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TemporaryStringCopy(const TemporaryStringCopy &); // Copying forbidden
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void operator=(const TemporaryStringCopy &); // Copying forbidden
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#endif
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};
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// TemporaryBuffer
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//
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// Buffer is thrown away in destructor
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class TemporaryBuffer
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{
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char *mData;
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public:
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TemporaryBuffer(Uint32 len) { mData = new char[len]; }
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~TemporaryBuffer() { delete [] mData; }
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operator char*(void) { return mData; }
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};
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#ifdef DEBUG_LOG
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#define DEBUG_TRACER(inLogModule, inString) Tracer(inLogModule, inString)
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#else
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#define DEBUG_TRACER(inLogModule, inString)
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#endif
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class Tracer
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{
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TemporaryStringCopy mString;
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LogModuleObject& mLogModule;
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public:
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Tracer(LogModuleObject& inLogModule, const char* inString) :
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mString(inString),
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mLogModule(inLogModule) { UT_OBJECTLOG(mLogModule, PR_LOG_ALWAYS, ("--> %s\n", (char*) mString)); }
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~Tracer() { UT_OBJECTLOG(mLogModule, PR_LOG_ALWAYS, ("<-- %s\n", (char*) mString)); }
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};
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