246 lines
7.6 KiB
C++
246 lines
7.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <string.h>
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#include <osl/interlck.h>
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#include <rtl/ustrbuf.hxx>
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#include <rtl/memory.h>
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#include <strimp.hxx>
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void SAL_CALL rtl_uStringbuffer_newFromStr_WithLength( rtl_uString ** newStr,
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const sal_Unicode * value,
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sal_Int32 count)
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{
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if (!value)
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{
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rtl_uString_new_WithLength( newStr, 16 );
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return;
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}
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rtl_uString_new_WithLength( newStr, count + 16 );
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(*newStr)->length = count;
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memcpy( (*newStr)->buffer, value, count * sizeof(sal_Unicode));
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RTL_LOG_STRING_NEW( *newStr );
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return;
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}
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rtl_uString * SAL_CALL rtl_uStringBuffer_refReturn( rtl_uString * pThis )
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{
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RTL_LOG_STRING_NEW( pThis );
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rtl_uString_acquire( pThis );
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return pThis;
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}
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rtl_uString * SAL_CALL rtl_uStringBuffer_makeStringAndClear( rtl_uString ** ppThis,
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sal_Int32 *nCapacity )
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{
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// avoid an un-necessary atomic ref/unref pair
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rtl_uString *pStr = *ppThis;
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*ppThis = NULL;
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rtl_uString_new (ppThis);
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*nCapacity = 0;
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RTL_LOG_STRING_NEW( pStr );
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return pStr;
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}
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sal_Int32 SAL_CALL rtl_uStringbuffer_newFromStringBuffer( rtl_uString ** newStr,
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sal_Int32 capacity,
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rtl_uString * oldStr )
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{
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sal_Int32 newCapacity = capacity;
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if (newCapacity < oldStr->length)
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newCapacity = oldStr->length;
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rtl_uString_new_WithLength( newStr, newCapacity );
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if (oldStr->length > 0) {
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(*newStr)->length = oldStr->length;
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memcpy( (*newStr)->buffer, oldStr->buffer, oldStr->length * sizeof(sal_Unicode));
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}
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RTL_LOG_STRING_NEW( *newStr );
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return newCapacity;
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}
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void SAL_CALL rtl_uStringbuffer_ensureCapacity
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(rtl_uString ** This, sal_Int32* capacity, sal_Int32 minimumCapacity)
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{
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if (minimumCapacity > *capacity)
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{
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rtl_uString * pTmp = *This;
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rtl_uString * pNew = NULL;
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*capacity = ((*This)->length + 1) * 2;
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if (minimumCapacity > *capacity)
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/* still lower, set to the minimum capacity */
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*capacity = minimumCapacity;
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rtl_uString_new_WithLength(&pNew, *capacity);
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pNew->length = (*This)->length;
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*This = pNew;
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memcpy( (*This)->buffer, pTmp->buffer, pTmp->length * sizeof(sal_Unicode) );
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RTL_LOG_STRING_NEW( pTmp ); // with accurate contents
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rtl_uString_release( pTmp );
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}
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}
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void SAL_CALL rtl_uStringbuffer_insert( rtl_uString ** This,
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sal_Int32 * capacity,
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sal_Int32 offset,
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const sal_Unicode * str,
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sal_Int32 len)
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{
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sal_Int32 nOldLen;
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sal_Unicode * pBuf;
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sal_Int32 n;
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if( len != 0 )
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{
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if (*capacity < (*This)->length + len)
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rtl_uStringbuffer_ensureCapacity( This, capacity, (*This)->length + len );
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/*
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if( len == 1 )
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This->buffer
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*/
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nOldLen = (*This)->length;
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pBuf = (*This)->buffer;
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/* copy the tail */
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n = (nOldLen - offset);
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if( n == 1 )
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/* optimized for 1 character */
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pBuf[offset + len] = pBuf[offset];
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else if( n > 1 )
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rtl_moveMemory( pBuf + offset + len, pBuf + offset, n * sizeof(sal_Unicode) );
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/* insert the new characters */
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if( len == 1 )
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/* optimized for 1 character */
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pBuf[offset] = *str;
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else if( len > 1 )
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memcpy( pBuf + offset, str, len * sizeof(sal_Unicode) );
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(*This)->length = nOldLen + len;
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pBuf[ nOldLen + len ] = 0;
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}
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}
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void rtl_uStringbuffer_insertUtf32(
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rtl_uString ** pThis, sal_Int32 * capacity, sal_Int32 offset, sal_uInt32 c)
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SAL_THROW_EXTERN_C()
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{
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sal_Unicode buf[2];
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sal_Int32 len;
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OSL_ASSERT(c <= 0x10FFFF && !(c >= 0xD800 && c <= 0xDFFF));
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if (c <= 0xFFFF) {
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buf[0] = (sal_Unicode) c;
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len = 1;
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} else {
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c -= 0x10000;
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buf[0] = (sal_Unicode) ((c >> 10) | 0xD800);
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buf[1] = (sal_Unicode) ((c & 0x3FF) | 0xDC00);
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len = 2;
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}
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rtl_uStringbuffer_insert(pThis, capacity, offset, buf, len);
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}
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void SAL_CALL rtl_uStringbuffer_insert_ascii( /*inout*/rtl_uString ** This,
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/*inout*/sal_Int32 * capacity,
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sal_Int32 offset,
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const sal_Char * str,
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sal_Int32 len)
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{
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sal_Int32 nOldLen;
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sal_Unicode * pBuf;
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sal_Int32 n;
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if( len != 0 )
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{
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if (*capacity < (*This)->length + len)
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rtl_uStringbuffer_ensureCapacity( This, capacity, (*This)->length + len );
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nOldLen = (*This)->length;
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pBuf = (*This)->buffer;
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/* copy the tail */
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n = (nOldLen - offset);
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if( n == 1 )
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/* optimized for 1 character */
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pBuf[offset + len] = pBuf[offset];
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else if( n > 1 )
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rtl_moveMemory( pBuf + offset + len, pBuf + offset, n * sizeof(sal_Unicode) );
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/* insert the new characters */
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for( n = 0; n < len; n++ )
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{
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/* Check ASCII range */
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OSL_ENSURE( (*str & 0x80) == 0, "Found ASCII char > 127");
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pBuf[offset + n] = (sal_Unicode)*(str++);
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}
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(*This)->length = nOldLen + len;
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pBuf[ nOldLen + len ] = 0;
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}
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}
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/*************************************************************************
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* rtl_uStringbuffer_remove
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*/
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void SAL_CALL rtl_uStringbuffer_remove( rtl_uString ** This,
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sal_Int32 start,
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sal_Int32 len )
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{
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sal_Int32 nTailLen;
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sal_Unicode * pBuf;
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if (len > (*This)->length - start)
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len = (*This)->length - start;
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//remove nothing
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if (!len)
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return;
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pBuf = (*This)->buffer;
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nTailLen = (*This)->length - ( start + len );
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if (nTailLen)
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{
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/* move the tail */
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rtl_moveMemory(pBuf + start, pBuf + start + len, nTailLen * sizeof(sal_Unicode));
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}
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(*This)->length-=len;
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pBuf[ (*This)->length ] = 0;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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