129 lines
3.1 KiB
C++
129 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef COSV_STRINGDATA_HXX
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#define COSV_STRINGDATA_HXX
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#include <cosv/str_types.hxx>
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namespace csv
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{
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/** @tpl CHAR
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The expression CHAR(0) has to be valid.
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*/
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template <class CHAR>
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class StringData
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{
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public:
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typedef StringData self;
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typedef str::size size_type;
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typedef str::position position_type;
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// LIFECYCLE
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StringData();
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/** @precond i_pData != 0
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@precond i_nValidLength <= strlen(i_pData)
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*/
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StringData(
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const CHAR * i_pData,
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size_type i_nValidLength );
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~StringData();
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// OPERATORS
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// OPERATIONS
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// INQUIRY
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const CHAR * Data() const;
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/** @returns the allocated number of CHAR.
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This may be different from the number of bytes.
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There is actually allocated one more CHAR,
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which is guaranteed to be CHAR(0) in all circumstances.
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*/
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size_type Size() const;
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private:
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/* Because this is used only within a refcounted structure,
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these functions are forbidden - at least yet.
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*/
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StringData(const self&);
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self & operator=(const self&);
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// DATA
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DYN CHAR * dpData;
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size_type nSize; /// The allocated size - 1 (for the finishing 0).
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};
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// IMPLEMENTATION
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template <class CHAR>
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StringData<CHAR>::StringData()
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: dpData( new CHAR[1] ),
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nSize(0)
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{
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*dpData = CHAR(0);
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}
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template <class CHAR>
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StringData<CHAR>::StringData( const CHAR * i_pData,
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size_type i_nValidLength )
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: dpData( new CHAR[i_nValidLength + 1] ),
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nSize(i_nValidLength)
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{
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memcpy( dpData, i_pData, i_nValidLength * sizeof(CHAR) );
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dpData[nSize] = CHAR(0);
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}
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template <class CHAR>
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StringData<CHAR>::~StringData()
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{
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delete [] dpData;
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}
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template <class CHAR>
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const CHAR *
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StringData<CHAR>::Data() const
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{
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return dpData;
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}
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template <class CHAR>
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typename StringData<CHAR>::size_type
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StringData<CHAR>::Size() const
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{
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return nSize;
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}
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} // namespace csv
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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