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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
namespace binfilter
{
#ifdef DBG_UTIL
static sal_Bool ImplDbgCheckAsciiStr( const sal_Char* pAsciiStr, sal_Int32 nLen )
{
while ( nLen && *pAsciiStr )
{
if ( ((unsigned char)*pAsciiStr) > 127 )
return sal_False;
++pAsciiStr,
--nLen;
}
return sal_True;
}
#endif
// =======================================================================
static void ImplCopyAsciiStr( sal_Unicode* pDest, const sal_Char* pSrc,
sal_Int32 nLen )
{
DBG_ASSERT( ImplDbgCheckAsciiStr( pSrc, nLen ),
"UniString::CopyAsciiStr() - pAsciiStr include characters > 127" );
while ( nLen )
{
*pDest = (unsigned char)*pSrc;
++pDest,
++pSrc,
--nLen;
}
}
// =======================================================================
static sal_Int32 ImplStringCompareAscii( const sal_Unicode* pStr1, const sal_Char* pStr2 )
{
sal_Int32 nRet;
while ( ((nRet = ((sal_Int32)*pStr1)-((sal_Int32)((unsigned char)*pStr2))) == 0) &&
*pStr2 )
{
++pStr1,
++pStr2;
}
return nRet;
}
// -----------------------------------------------------------------------
static sal_Int32 ImplStringCompareAscii( const sal_Unicode* pStr1, const sal_Char* pStr2,
xub_StrLen nCount )
{
sal_Int32 nRet = 0;
while ( nCount &&
((nRet = ((sal_Int32)*pStr1)-((sal_Int32)((unsigned char)*pStr2))) == 0) &&
*pStr2 )
{
++pStr1,
++pStr2,
--nCount;
}
return nRet;
}
// -----------------------------------------------------------------------
static sal_Int32 ImplStringCompareWithoutZeroAscii( const sal_Unicode* pStr1, const sal_Char* pStr2,
xub_StrLen nCount )
{
sal_Int32 nRet = 0;
while ( nCount &&
((nRet = ((sal_Int32)*pStr1)-((sal_Int32)((unsigned char)*pStr2))) == 0) )
{
++pStr1,
++pStr2,
--nCount;
}
return nRet;
}
// -----------------------------------------------------------------------
static sal_Int32 ImplStringICompareAscii( const sal_Unicode* pStr1, const sal_Char* pStr2 )
{
sal_Int32 nRet;
sal_Unicode c1;
sal_Char c2;
do
{
// 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)c1)-((sal_Int32)((unsigned char)c2));
if ( nRet != 0 )
break;
++pStr1,
++pStr2;
}
while ( c2 );
return nRet;
}
// -----------------------------------------------------------------------
static sal_Int32 ImplStringICompareAscii( const sal_Unicode* pStr1, const sal_Char* pStr2,
xub_StrLen nCount )
{
sal_Int32 nRet = 0;
sal_Unicode c1;
sal_Char 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)c1)-((sal_Int32)((unsigned char)c2));
if ( nRet != 0 )
break;
++pStr1,
++pStr2,
--nCount;
}
while ( c2 );
return nRet;
}
// =======================================================================
UniString UniString::CreateFromAscii( const sal_Char* pAsciiStr )
{
DBG_ASSERT( pAsciiStr, "UniString::CreateFromAscii() - pAsciiStr is NULL" );
// Stringlaenge ermitteln
xub_StrLen nLen = ImplStringLen( pAsciiStr );
UniString aTempStr;
if ( nLen )
{
ImplCopyAsciiStr( aTempStr.AllocBuffer( nLen ), pAsciiStr, nLen );
}
return aTempStr;
}
// -----------------------------------------------------------------------
UniString UniString::CreateFromAscii( const sal_Char* pAsciiStr, xub_StrLen nLen )
{
DBG_ASSERT( pAsciiStr, "UniString::CreateFromAscii() - pAsciiStr is NULL" );
// Stringlaenge ermitteln
if ( nLen == STRING_LEN )
nLen = ImplStringLen( pAsciiStr );
UniString aTempStr;
if ( nLen )
{
ImplCopyAsciiStr( aTempStr.AllocBuffer( nLen ), pAsciiStr, nLen );
}
return aTempStr;
}
// -----------------------------------------------------------------------
UniString& UniString::AssignAscii( const sal_Char* pAsciiStr )
{
DBG_CHKTHIS( UniString, DbgCheckUniString );
DBG_ASSERT( pAsciiStr, "UniString::AssignAscii() - pAsciiStr is NULL" );
// Stringlaenge ermitteln
xub_StrLen nLen = ImplStringLen( pAsciiStr );
if ( !nLen )
{
STRING_NEW((STRING_TYPE **)&mpData);
}
else
{
// Wenn String genauso lang ist, wie der String, dann direkt kopieren
if ( (nLen == mpData->mnLen) && (mpData->mnRefCount == 1) )
ImplCopyAsciiStr( mpData->maStr, pAsciiStr, nLen );
else
{
// Alte Daten loeschen
STRING_RELEASE((STRING_TYPE *)mpData);
// Daten initialisieren und String kopieren
mpData = ImplAllocData( nLen );
ImplCopyAsciiStr( mpData->maStr, pAsciiStr, nLen );
}
}
return *this;
}
// -----------------------------------------------------------------------
UniString& UniString::AssignAscii( const sal_Char* pAsciiStr, xub_StrLen nLen )
{
DBG_CHKTHIS( UniString, DbgCheckUniString );
DBG_ASSERT( pAsciiStr, "UniString::AssignAscii() - pAsciiStr is NULL" );
if ( nLen == STRING_LEN )
nLen = ImplStringLen( pAsciiStr );
#ifdef DBG_UTIL
if ( DbgIsAssert() )
{
for ( xub_StrLen i = 0; i < nLen; ++i )
{
if ( !pAsciiStr[i] )
{
OSL_FAIL( "UniString::AssignAscii() : nLen is wrong" );
}
}
}
#endif
if ( !nLen )
{
STRING_NEW((STRING_TYPE **)&mpData);
}
else
{
// Wenn String genauso lang ist, wie der String, dann direkt kopieren
if ( (nLen == mpData->mnLen) && (mpData->mnRefCount == 1) )
ImplCopyAsciiStr( mpData->maStr, pAsciiStr, nLen );
else
{
// Alte Daten loeschen
STRING_RELEASE((STRING_TYPE *)mpData);
// Daten initialisieren und String kopieren
mpData = ImplAllocData( nLen );
ImplCopyAsciiStr( mpData->maStr, pAsciiStr, nLen );
}
}
return *this;
}
// -----------------------------------------------------------------------
UniString& UniString::AppendAscii( const sal_Char* pAsciiStr )
{
DBG_CHKTHIS( UniString, DbgCheckUniString );
DBG_ASSERT( pAsciiStr, "UniString::AppendAscii() - pAsciiStr is NULL" );
// Stringlaenge ermitteln
sal_Int32 nCopyLen = ImplStringLen( pAsciiStr );
// Ueberlauf abfangen
nCopyLen = ImplGetCopyLen( mpData->mnLen, nCopyLen );
// Ist es kein leerer String
if ( nCopyLen )
{
// Neue Datenstruktur und neuen String erzeugen
UniStringData* pNewData = ImplAllocData( mpData->mnLen+nCopyLen );
// String kopieren
memcpy( pNewData->maStr, mpData->maStr, mpData->mnLen*sizeof( sal_Unicode ) );
ImplCopyAsciiStr( pNewData->maStr+mpData->mnLen, pAsciiStr, nCopyLen );
// Alte Daten loeschen und Neue zuweisen
STRING_RELEASE((STRING_TYPE *)mpData);
mpData = pNewData;
}
return *this;
}
// -----------------------------------------------------------------------
UniString& UniString::AppendAscii( const sal_Char* pAsciiStr, xub_StrLen nLen )
{
DBG_CHKTHIS( UniString, DbgCheckUniString );
DBG_ASSERT( pAsciiStr, "UniString::AppendAscii() - pAsciiStr is NULL" );
if ( nLen == STRING_LEN )
nLen = ImplStringLen( pAsciiStr );
#ifdef DBG_UTIL
if ( DbgIsAssert() )
{
for ( xub_StrLen i = 0; i < nLen; ++i )
{
if ( !pAsciiStr[i] )
{
OSL_FAIL( "UniString::AppendAscii() : nLen is wrong" );
}
}
}
#endif
// Ueberlauf abfangen
sal_Int32 nCopyLen = ImplGetCopyLen( mpData->mnLen, nLen );
// Ist es kein leerer String
if ( nCopyLen )
{
// Neue Datenstruktur und neuen String erzeugen
UniStringData* pNewData = ImplAllocData( mpData->mnLen+nCopyLen );
// String kopieren
memcpy( pNewData->maStr, mpData->maStr, mpData->mnLen*sizeof( sal_Unicode ) );
ImplCopyAsciiStr( pNewData->maStr+mpData->mnLen, pAsciiStr, nCopyLen );
// Alte Daten loeschen und Neue zuweisen
STRING_RELEASE((STRING_TYPE *)mpData);
mpData = pNewData;
}
return *this;
}
// -----------------------------------------------------------------------
UniString& UniString::InsertAscii( const char* pAsciiStr, xub_StrLen nIndex )
{
DBG_CHKTHIS( UniString, DbgCheckUniString );
DBG_ASSERT( pAsciiStr, "UniString::InsertAscii() - pAsciiStr is NULL" );
// Stringlaenge ermitteln
sal_Int32 nCopyLen = ImplStringLen( pAsciiStr );
// 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
UniStringData* pNewData = ImplAllocData( mpData->mnLen+nCopyLen );
// String kopieren
memcpy( pNewData->maStr, mpData->maStr, nIndex*sizeof( sal_Unicode ) );
ImplCopyAsciiStr( pNewData->maStr+nIndex, pAsciiStr, nCopyLen );
memcpy( pNewData->maStr+nIndex+nCopyLen, mpData->maStr+nIndex,
(mpData->mnLen-nIndex)*sizeof( sal_Unicode ) );
// Alte Daten loeschen und Neue zuweisen
STRING_RELEASE((STRING_TYPE *)mpData);
mpData = pNewData;
return *this;
}
// -----------------------------------------------------------------------
StringCompare UniString::CompareToAscii( const sal_Char* pAsciiStr,
xub_StrLen nLen ) const
{
DBG_CHKTHIS( UniString, DbgCheckUniString );
DBG_ASSERT( ImplDbgCheckAsciiStr( pAsciiStr, nLen ),
"UniString::CompareToAscii() - pAsciiStr include characters > 127" );
// String vergleichen
sal_Int32 nCompare = ImplStringCompareAscii( mpData->maStr, pAsciiStr, nLen );
// Rueckgabewert anpassen
if ( nCompare == 0 )
return COMPARE_EQUAL;
else if ( nCompare < 0 )
return COMPARE_LESS;
else
return COMPARE_GREATER;
}
// -----------------------------------------------------------------------
StringCompare UniString::CompareIgnoreCaseToAscii( const sal_Char* pAsciiStr,
xub_StrLen nLen ) const
{
DBG_CHKTHIS( UniString, DbgCheckUniString );
DBG_ASSERT( ImplDbgCheckAsciiStr( pAsciiStr, nLen ),
"UniString::CompareIgnoreCaseToAscii() - pAsciiStr include characters > 127" );
// String vergleichen
sal_Int32 nCompare = ImplStringICompareAscii( mpData->maStr, pAsciiStr, nLen );
// Rueckgabewert anpassen
if ( nCompare == 0 )
return COMPARE_EQUAL;
else if ( nCompare < 0 )
return COMPARE_LESS;
else
return COMPARE_GREATER;
}
// -----------------------------------------------------------------------
sal_Bool UniString::EqualsAscii( const sal_Char* pAsciiStr ) const
{
DBG_CHKTHIS( UniString, DbgCheckUniString );
DBG_ASSERT( ImplDbgCheckAsciiStr( pAsciiStr, STRING_LEN ),
"UniString::EqualsAscii() - pAsciiStr include characters > 127" );
return (ImplStringCompareAscii( mpData->maStr, pAsciiStr ) == 0);
}
// -----------------------------------------------------------------------
sal_Bool UniString::EqualsIgnoreCaseAscii( const sal_Char* pAsciiStr ) const
{
DBG_CHKTHIS( UniString, DbgCheckUniString );
DBG_ASSERT( ImplDbgCheckAsciiStr( pAsciiStr, STRING_LEN ),
"UniString::EqualsIgnoreCaseAscii() - pAsciiStr include characters > 127" );
return (ImplStringICompareAscii( mpData->maStr, pAsciiStr ) == 0);
}
// -----------------------------------------------------------------------
sal_Bool UniString::EqualsAscii( const sal_Char* pAsciiStr,
xub_StrLen nIndex, xub_StrLen nLen ) const
{
DBG_CHKTHIS( UniString, DbgCheckUniString );
DBG_ASSERT( ImplDbgCheckAsciiStr( pAsciiStr, nLen ),
"UniString::EqualsAscii() - pAsciiStr include characters > 127" );
// Are there enough codes for comparing?
if ( nIndex > mpData->mnLen )
return (*pAsciiStr == 0);
return (ImplStringCompareAscii( mpData->maStr+nIndex, pAsciiStr, nLen ) == 0);
}
// -----------------------------------------------------------------------
sal_Bool UniString::EqualsIgnoreCaseAscii( const sal_Char* pAsciiStr,
xub_StrLen nIndex, xub_StrLen nLen ) const
{
DBG_CHKTHIS( UniString, DbgCheckUniString );
DBG_ASSERT( ImplDbgCheckAsciiStr( pAsciiStr, nLen ),
"UniString::EqualsIgnoreCaseAscii() - pAsciiStr include characters > 127" );
// Are there enough codes for comparing?
if ( nIndex > mpData->mnLen )
return (*pAsciiStr == 0);
return (ImplStringICompareAscii( mpData->maStr+nIndex, pAsciiStr, nLen ) == 0);
}
// -----------------------------------------------------------------------
xub_StrLen UniString::SearchAscii( const sal_Char* pAsciiStr, xub_StrLen nIndex ) const
{
DBG_CHKTHIS( UniString, DbgCheckUniString );
DBG_ASSERT( ImplDbgCheckAsciiStr( pAsciiStr, STRING_LEN ),
"UniString::SearchAscii() - pAsciiStr include characters > 127" );
sal_Int32 nLen = mpData->mnLen;
xub_StrLen nStrLen = ImplStringLen( pAsciiStr );
// Falls die Laenge des uebergebenen Strings 0 ist oder der Index
// hinter dem String liegt, dann wurde der String nicht gefunden
if ( !nStrLen || (nIndex >= nLen) )
return STRING_NOTFOUND;
const sal_Unicode* pStr = mpData->maStr;
pStr += nIndex;
if ( nStrLen == 1 )
{
sal_Unicode cSearch = (unsigned char)*pAsciiStr;
while ( nIndex < nLen )
{
if ( *pStr == cSearch )
return nIndex;
++pStr,
++nIndex;
}
}
else
{
// Nur innerhalb des Strings suchen
while ( nLen - nIndex >= nStrLen )
{
// Stimmt der String ueberein
if ( ImplStringCompareWithoutZeroAscii( pStr, pAsciiStr, nStrLen ) == 0 )
return nIndex;
++pStr,
++nIndex;
}
}
return STRING_NOTFOUND;
}
// -----------------------------------------------------------------------
xub_StrLen UniString::SearchAndReplaceAscii( const sal_Char* pAsciiStr, const UniString& rRepStr,
xub_StrLen nIndex )
{
DBG_CHKTHIS( UniString, DbgCheckUniString );
DBG_ASSERT( ImplDbgCheckAsciiStr( pAsciiStr, STRING_LEN ),
"UniString::SearchAndReplaceAscii() - pAsciiStr include characters > 127" );
xub_StrLen nSPos = SearchAscii( pAsciiStr, nIndex );
if ( nSPos != STRING_NOTFOUND )
Replace( nSPos, ImplStringLen( pAsciiStr ), rRepStr );
return nSPos;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
