b0b1202e36
2004/02/05 14:02:50 sb 1.3.224.1: #i19699# Added rtl::OUStringBuffer::append/insertUtf32.
246 lines
7.9 KiB
C
246 lines
7.9 KiB
C
/*************************************************************************
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*
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* $RCSfile: ustrbuf.c,v $
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*
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* $Revision: 1.4 $
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*
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* last change: $Author: kz $ $Date: 2004-02-26 13:37:24 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source 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 the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef _OSL_INTERLOCK_H_
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#include <osl/interlck.h>
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#endif
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#ifndef _RTL_STRING_HXX_
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#include <rtl/ustrbuf.hxx>
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#endif
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#ifndef _RTL_MEMORY_H_
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#include <rtl/memory.h>
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#endif
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/*
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#ifndef _RTL_ALLOC_H_
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#include <rtl/alloc.h>
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#endif
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*/
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/*************************************************************************
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* rtl_uStringbuffer_newFromStr_WithLength
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*/
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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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rtl_copyMemory( (*newStr)->buffer, value, count * sizeof(sal_Unicode));
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return;
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}
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/*************************************************************************
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* rtl_uStringbuffer_newFromStringBuffer
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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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(*newStr)->length = oldStr->length;
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rtl_copyMemory( (*newStr)->buffer, oldStr->buffer, oldStr->length * sizeof(sal_Unicode));
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return newCapacity;
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}
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/*************************************************************************
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* rtl_uStringbuffer_ensureCapacity
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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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rtl_copyMemory( (*This)->buffer, pTmp->buffer, pTmp->length * sizeof(sal_Unicode) );
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rtl_uString_release( pTmp );
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}
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}
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/*************************************************************************
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* rtl_uStringbuffer_insert
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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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rtl_copyMemory( 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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{
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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] = c;
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len = 1;
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} else {
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c -= 0x10000;
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buf[0] = (c >> 10) | 0xD800;
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buf[1] = (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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/*************************************************************************
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* rtl_uStringbuffer_insert_ascii
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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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