diff options
author | Tor Lillqvist <tml@iki.fi> | 2013-02-22 18:49:53 +0200 |
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committer | Tor Lillqvist <tml@iki.fi> | 2013-02-22 18:50:41 +0200 |
commit | 393609f3f702bf5cf34e1495f32e78b75e3d5f17 (patch) | |
tree | d1e8637b28d34fabf842e39d4154eb63598a9080 /sal/rtl/strbuf.cxx | |
parent | 0208ead70a9412ccd554fcef3e9308f8ca17037b (diff) |
Bin pointless single-child directory level
Change-Id: I03de46fb6c095bb176fd25fc5f803be6d2d89bcf
Diffstat (limited to 'sal/rtl/strbuf.cxx')
-rw-r--r-- | sal/rtl/strbuf.cxx | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/sal/rtl/strbuf.cxx b/sal/rtl/strbuf.cxx new file mode 100644 index 000000000000..5472ceb72091 --- /dev/null +++ b/sal/rtl/strbuf.cxx @@ -0,0 +1,162 @@ +/* -*- 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 . + */ + +#include <string.h> + +#include <osl/interlck.h> +#include <rtl/strbuf.hxx> + +/************************************************************************* + * rtl_stringbuffer_newFromStr_WithLength + */ +void SAL_CALL rtl_stringbuffer_newFromStr_WithLength( rtl_String ** newStr, + const sal_Char * value, + sal_Int32 count ) +{ + if (!value) + { + rtl_string_new_WithLength( newStr, 16 ); + return; + } + + rtl_string_new_WithLength( newStr, count + 16 ); + (*newStr)->length = count; + memcpy( (*newStr)->buffer, value, count ); + return; +} + +/************************************************************************* + * rtl_stringbuffer_newFromStringBuffer + */ +sal_Int32 SAL_CALL rtl_stringbuffer_newFromStringBuffer( rtl_String ** newStr, + sal_Int32 capacity, + rtl_String * oldStr ) +{ + sal_Int32 newCapacity = capacity; + + if (newCapacity < oldStr->length) + newCapacity = oldStr->length; + + rtl_string_new_WithLength( newStr, newCapacity ); + if (oldStr->length > 0) { + (*newStr)->length = oldStr->length; + memcpy( (*newStr)->buffer, oldStr->buffer, oldStr->length ); + } + return newCapacity; +} + +/************************************************************************* + * rtl_stringbuffer_ensureCapacity + */ +void SAL_CALL rtl_stringbuffer_ensureCapacity + (rtl_String ** This, sal_Int32* capacity, sal_Int32 minimumCapacity) +{ + if (minimumCapacity > *capacity) + { + rtl_String * pTmp = *This; + rtl_String * pNew = NULL; + *capacity = ((*This)->length + 1) * 2; + if (minimumCapacity > *capacity) + /* still lower, set to the minimum capacity */ + *capacity = minimumCapacity; + + rtl_string_new_WithLength(&pNew, *capacity); + pNew->length = (*This)->length; + *This = pNew; + + memcpy( (*This)->buffer, pTmp->buffer, pTmp->length ); + rtl_string_release( pTmp ); + } +} + +/************************************************************************* + * rtl_stringbuffer_insert + */ +void SAL_CALL rtl_stringbuffer_insert( rtl_String ** This, + sal_Int32 * capacity, + sal_Int32 offset, + const sal_Char * str, + sal_Int32 len ) +{ + sal_Int32 nOldLen; + sal_Char * pBuf; + sal_Int32 n; + if( len != 0 ) + { + if (*capacity < (*This)->length + len) + rtl_stringbuffer_ensureCapacity( This, capacity, (*This)->length + len ); + + /* + if( len == 1 ) + This->buffer + */ + nOldLen = (*This)->length; + pBuf = (*This)->buffer; + + /* copy the tail */ + n = (nOldLen - offset); + if( n == 1 ) + /* optimized for 1 character */ + pBuf[offset + len] = pBuf[offset]; + else if( n > 1 ) + memmove( pBuf + offset + len, pBuf + offset, n * sizeof(sal_Char) ); + + /* insert the new characters */ + n = len; + if( len == 1 ) + /* optimized for 1 character */ + pBuf[offset] = *str; + else if( n > 1 ) + memcpy( pBuf + offset, str, len * sizeof(sal_Char) ); + (*This)->length = nOldLen + len; + pBuf[ nOldLen + len ] = 0; + } +} + +/************************************************************************* + * rtl_stringbuffer_remove + */ +void SAL_CALL rtl_stringbuffer_remove( rtl_String ** This, + sal_Int32 start, + sal_Int32 len ) +{ + sal_Int32 nTailLen; + sal_Char * pBuf; + + if (len > (*This)->length - start) + len = (*This)->length - start; + + //remove nothing + if (!len) + return; + + pBuf = (*This)->buffer; + nTailLen = (*This)->length - ( start + len ); + + if (nTailLen) + { + /* move the tail */ + memmove(pBuf + start, pBuf + start + len, nTailLen * sizeof(sal_Char)); + } + + (*This)->length-=len; + pBuf[ (*This)->length ] = 0; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |