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Diffstat (limited to 'include/rtl/ustrbuf.h')
| -rw-r--r-- | include/rtl/ustrbuf.h | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/include/rtl/ustrbuf.h b/include/rtl/ustrbuf.h new file mode 100644 index 000000000..9c24724f5 --- /dev/null +++ b/include/rtl/ustrbuf.h @@ -0,0 +1,214 @@ +/* -*- 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 . + */ + +#ifndef INCLUDED_RTL_USTRBUF_H +#define INCLUDED_RTL_USTRBUF_H + +#include "sal/config.h" + +#include "rtl/ustring.h" +#include "sal/saldllapi.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** Allocates a new <code>String</code> that contains characters from + the character array argument. + + The <code>count</code> argument specifies + the length of the array. The initial capacity of the string buffer is + <code>16</code> plus the length of the string argument. + + @param newStr out parameter, contains the new string. The reference count is 1. + @param value the initial value of the string. + @param count the length of value. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uStringbuffer_newFromStr_WithLength( + rtl_uString ** newStr, + const sal_Unicode * value, + sal_Int32 count ); + +/** + Allocates a new <code>String</code> that contains the same sequence of + characters as the string argument. + + The initial capacity is the larger of: + <ul> + <li> The <code>bufferLen</code> argument. + <li> The <code>length</code> of the string argument. + </ul> + + @param newStr out parameter, contains the new string. The reference count is 1. + @param capacity the initial len of the string buffer. + @param oldStr the initial value of the string. + @return the new capacity of the string buffer + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_uStringbuffer_newFromStringBuffer( + rtl_uString ** newStr, + sal_Int32 capacity, + rtl_uString * oldStr ); + +/** + Ensures that the capacity of the buffer is at least equal to the + specified minimum. + + If the current capacity of this string buffer is less than the + argument, then a new internal buffer is allocated with greater + capacity. The new capacity is the larger of: + <ul> + <li>The <code>minimumCapacity</code> argument. + <li>Twice the old capacity, plus <code>2</code>. + </ul> + If the <code>minimumCapacity</code> argument is nonpositive, this + method takes no action and simply returns. + + @param[in,out] This the String to operate on. + @param[in,out] capacity in: old capacity, out: new capacity. + @param[in] minimumCapacity the minimum desired capacity. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uStringbuffer_ensureCapacity( + rtl_uString ** This, + sal_Int32* capacity, + sal_Int32 minimumCapacity); + +/** + Inserts the string representation of the <code>str</code> array + argument into this string buffer. + + The characters of the array argument are inserted into the + contents of this string buffer at the position indicated by + <code>offset</code>. The length of this string buffer increases by + the length of the argument. + + @param This The string, on that the operation should take place + @param capacity the capacity of the string buffer + @param offset the offset. + @param str a character array. Since LibreOffice 4.4, as a special + case, if str is null then the len added characters are + left uninitialized. + @param len the number of characters to append. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uStringbuffer_insert( + /*inout*/rtl_uString ** This, + /*inout*/sal_Int32 * capacity, + sal_Int32 offset, + const sal_Unicode * str, + sal_Int32 len); + +/** + Inserts a single UTF-32 character into this string buffer. + + <p>The single UTF-32 character will be represented within the string buffer + as either one or two UTF-16 code units.</p> + + @param pThis the string buffer on which the operation is performed + + @param capacity the capacity of the string buffer + + @param offset the offset into this string buffer (from zero to the length + of this string buffer, inclusive) + + @param c a well-formed UTF-32 code unit (that is, a value in the range + <code>0</code>–<code>0x10FFFF</code>, but excluding + <code>0xD800</code>–<code>0xDFFF</code>) + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uStringbuffer_insertUtf32( + rtl_uString ** pThis, sal_Int32 * capacity, sal_Int32 offset, sal_uInt32 c) + SAL_THROW_EXTERN_C(); + +/** + Inserts the 8-Bit ASCII string representation of the <code>str</code> + array argument into this string buffer. + + Since this function is optimized + for performance, the ASCII character values are not converted in any way. + The caller has to make sure that all ASCII characters are in the allowed + range between 0 and 127. + <p> + The characters of the array argument are inserted into the + contents of this string buffer at the position indicated by + <code>offset</code>. The length of this string buffer increases by + the length of the argument. + + @param This The string, on that the operation should take place + @param capacity the capacity of the string buffer + @param offset the offset. + @param str a character array. + @param len the number of characters to append. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uStringbuffer_insert_ascii( + /*inout*/rtl_uString ** This, + /*inout*/sal_Int32 * capacity, + sal_Int32 offset, + const sal_Char * str, + sal_Int32 len); + +/** + Removes the characters in a substring of this sequence. + + The substring begins at the specified <code>start</code> and + is <code>len</code> characters long. + + start must be >= 0 && <= This->length + + @param[in,out] This The String to operate on. + @param[in] start The beginning index, inclusive + @param[in] len The substring length + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uStringbuffer_remove( + rtl_uString ** This, + sal_Int32 start, + sal_Int32 len ); + +/** + Returns an immutable rtl_uString object, while clearing the string buffer. + + This method is primarily used to allow these completed + string allocation events to be traced. + + @param ppThis The string, on that the operation should take place + @param nCapacity pointer to the capacity of the string buffer + + @since LibreOffice 3.6 + */ +SAL_DLLPUBLIC rtl_uString * SAL_CALL rtl_uStringBuffer_makeStringAndClear( + /*inout*/ rtl_uString ** ppThis, + sal_Int32 *nCapacity ) SAL_RETURNS_NONNULL; + +/** + References and returns an immutable rtl_uString object, from a mutable + string-buffer object. + + This method is primarily used to allow legacy 'String' class + conversions to OUString to be accurately traced. + + @param pThis The string, on that the operation should take place + + @since LibreOffice 3.6 + */ +SAL_DLLPUBLIC rtl_uString * SAL_CALL rtl_uStringBuffer_refReturn( rtl_uString *pThis ); + +#ifdef __cplusplus +} +#endif + +#endif // INCLUDED_RTL_USTRBUF_H + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |