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libreoffice/tools/source/string/tstring.cxx

358 lines
9.4 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_tools.hxx"
#include <string.h>
#include "osl/diagnose.h"
#include <osl/interlck.h>
#include <rtl/alloc.h>
#include <rtl/memory.h>
#include <rtl/tencinfo.h>
#include <tools/string.hxx>
#include <impstrg.hxx>
// For shared byte convert tables
#include <toolsin.hxx>
#include <tools/debug.hxx>
// =======================================================================
DBG_NAME( ByteString )
DBG_NAMEEX( UniString )
// -----------------------------------------------------------------------
#define STRCODE sal_Char
#define STRCODEU unsigned char
#define STRING ByteString
#define STRINGDATA ByteStringData
#define DBGCHECKSTRING DbgCheckByteString
#define STRING_TYPE rtl_String
#define STRING_ACQUIRE rtl_string_acquire
#define STRING_RELEASE rtl_string_release
#define STRING_NEW rtl_string_new
// -----------------------------------------------------------------------
xub_StrLen ImplStringLen( const sal_Char* pStr )
{
const sal_Char* pTempStr = pStr;
while( *pTempStr )
++pTempStr;
return (xub_StrLen)(pTempStr-pStr);
}
// -----------------------------------------------------------------------
xub_StrLen ImplStringLen( const sal_Unicode* pStr )
{
const sal_Unicode* pTempStr = pStr;
while( *pTempStr )
++pTempStr;
return (xub_StrLen)(pTempStr-pStr);
}
// -----------------------------------------------------------------------
#include <strimp.cxx>
#include <strcvt.cxx>
// -----------------------------------------------------------------------
sal_Int32 ByteString::ToInt32() const
{
DBG_CHKTHIS( ByteString, DbgCheckByteString );
return atoi( mpData->maStr );
}
// -----------------------------------------------------------------------
sal_Bool ByteString::IsLowerAscii() const
{
DBG_CHKTHIS( ByteString, DbgCheckByteString );
sal_Int32 nIndex = 0;
sal_Int32 nLen = mpData->mnLen;
const sal_Char* pStr = mpData->maStr;
while ( nIndex < nLen )
{
if ( (*pStr >= 65) && (*pStr <= 90) )
return sal_False;
++pStr,
++nIndex;
}
return sal_True;
}
// -----------------------------------------------------------------------
sal_Bool ByteString::IsUpperAscii() const
{
DBG_CHKTHIS( ByteString, DbgCheckByteString );
sal_Int32 nIndex = 0;
sal_Int32 nLen = mpData->mnLen;
const sal_Char* pStr = mpData->maStr;
while ( nIndex < nLen )
{
if ( (*pStr >= 97) && (*pStr <= 122) )
return sal_False;
++pStr,
++nIndex;
}
return sal_True;
}
// -----------------------------------------------------------------------
sal_Bool ByteString::IsAlphaAscii() const
{
DBG_CHKTHIS( ByteString, DbgCheckByteString );
sal_Int32 nIndex = 0;
sal_Int32 nLen = mpData->mnLen;
const sal_Char* pStr = mpData->maStr;
while ( nIndex < nLen )
{
if ( !(((*pStr >= 97) && (*pStr <= 122)) ||
((*pStr >= 65) && (*pStr <= 90))) )
return sal_False;
++pStr,
++nIndex;
}
return sal_True;
}
// -----------------------------------------------------------------------
sal_Bool ByteString::IsNumericAscii() const
{
DBG_CHKTHIS( ByteString, DbgCheckByteString );
sal_Int32 nIndex = 0;
sal_Int32 nLen = mpData->mnLen;
const sal_Char* pStr = mpData->maStr;
while ( nIndex < nLen )
{
if ( !((*pStr >= 48) && (*pStr <= 57)) )
return sal_False;
++pStr,
++nIndex;
}
return sal_True;
}
// -----------------------------------------------------------------------
sal_Bool ByteString::IsAlphaNumericAscii() const
{
DBG_CHKTHIS( ByteString, DbgCheckByteString );
sal_Int32 nIndex = 0;
sal_Int32 nLen = mpData->mnLen;
const sal_Char* pStr = mpData->maStr;
while ( nIndex < nLen )
{
if ( !(((*pStr >= 97) && (*pStr <= 122)) ||
((*pStr >= 65) && (*pStr <= 90)) ||
((*pStr >= 48) && (*pStr <= 57))) )
return sal_False;
++pStr,
++nIndex;
}
return sal_True;
}
void STRING::SearchAndReplaceAll( const STRCODE* pCharStr, const STRING& rRepStr )
{
DBG_CHKTHIS( STRING, DBGCHECKSTRING );
DBG_CHKOBJ( &rRepStr, STRING, DBGCHECKSTRING );
xub_StrLen nCharLen = ImplStringLen( pCharStr );
xub_StrLen nSPos = Search( pCharStr, 0 );
while ( nSPos != STRING_NOTFOUND )
{
Replace( nSPos, nCharLen, rRepStr );
nSPos = nSPos + rRepStr.Len();
nSPos = Search( pCharStr, nSPos );
}
}
xub_StrLen STRING::SearchAndReplace( const STRCODE* pCharStr, const STRING& rRepStr,
xub_StrLen nIndex )
{
DBG_CHKTHIS( STRING, DBGCHECKSTRING );
DBG_CHKOBJ( &rRepStr, STRING, DBGCHECKSTRING );
xub_StrLen nSPos = Search( pCharStr, nIndex );
if ( nSPos != STRING_NOTFOUND )
Replace( nSPos, ImplStringLen( pCharStr ), rRepStr );
return nSPos;
}
static sal_Int32 ImplStringICompare( const STRCODE* pStr1, const STRCODE* pStr2,
xub_StrLen nCount )
{
sal_Int32 nRet = 0;
STRCODE c1;
STRCODE c2;
do
{
if ( !nCount )
break;
// Ist das Zeichen zwischen 'A' und 'Z' dann umwandeln
c1 = *pStr1;
c2 = *pStr2;
if ( (c1 >= 65) && (c1 <= 90) )
c1 += 32;
if ( (c2 >= 65) && (c2 <= 90) )
c2 += 32;
nRet = ((sal_Int32)((STRCODEU)c1))-((sal_Int32)((STRCODEU)c2));
if ( nRet != 0 )
break;
++pStr1,
++pStr2,
--nCount;
}
while ( c2 );
return nRet;
}
StringCompare STRING::CompareIgnoreCaseToAscii( const STRCODE* pCharStr,
xub_StrLen nLen ) const
{
DBG_CHKTHIS( STRING, DBGCHECKSTRING );
// String vergleichen
sal_Int32 nCompare = ImplStringICompare( mpData->maStr, pCharStr, nLen );
// Rueckgabewert anpassen
if ( nCompare == 0 )
return COMPARE_EQUAL;
else if ( nCompare < 0 )
return COMPARE_LESS;
else
return COMPARE_GREATER;
}
StringCompare STRING::CompareTo( const STRCODE* pCharStr, xub_StrLen nLen ) const
{
DBG_CHKTHIS( STRING, DBGCHECKSTRING );
// String vergleichen
sal_Int32 nCompare = ImplStringCompare( mpData->maStr, pCharStr, nLen );
// Rueckgabewert anpassen
if ( nCompare == 0 )
return COMPARE_EQUAL;
else if ( nCompare < 0 )
return COMPARE_LESS;
else
return COMPARE_GREATER;
}
// =======================================================================
static sal_Int32 ImplStringCompare( const STRCODE* pStr1, const STRCODE* pStr2 )
{
sal_Int32 nRet;
while ( ((nRet = ((sal_Int32)((STRCODEU)*pStr1))-((sal_Int32)((STRCODEU)*pStr2))) == 0) &&
*pStr2 )
{
++pStr1,
++pStr2;
}
return nRet;
}
sal_Bool STRING::Equals( const STRCODE* pCharStr ) const
{
DBG_CHKTHIS( STRING, DBGCHECKSTRING );
return (ImplStringCompare( mpData->maStr, pCharStr ) == 0);
}
STRING& STRING::Insert( const STRCODE* pCharStr, xub_StrLen nIndex )
{
DBG_CHKTHIS( STRING, DBGCHECKSTRING );
DBG_ASSERT( pCharStr, "String::Insert() - pCharStr is NULL" );
// Stringlaenge ermitteln
sal_Int32 nCopyLen = ImplStringLen( pCharStr );
// Ueberlauf abfangen
nCopyLen = ImplGetCopyLen( mpData->mnLen, nCopyLen );
// Ist der einzufuegende String ein Leerstring
if ( !nCopyLen )
return *this;
// Index groesser als Laenge
if ( nIndex > mpData->mnLen )
nIndex = static_cast< xub_StrLen >(mpData->mnLen);
// Neue Laenge ermitteln und neuen String anlegen
STRINGDATA* pNewData = ImplAllocData( mpData->mnLen+nCopyLen );
// String kopieren
memcpy( pNewData->maStr, mpData->maStr, nIndex*sizeof( STRCODE ) );
memcpy( pNewData->maStr+nIndex, pCharStr, nCopyLen*sizeof( STRCODE ) );
memcpy( pNewData->maStr+nIndex+nCopyLen, mpData->maStr+nIndex,
(mpData->mnLen-nIndex)*sizeof( STRCODE ) );
// Alte Daten loeschen und Neue zuweisen
STRING_RELEASE((STRING_TYPE *)mpData);
mpData = pNewData;
return *this;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */