/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: strbuf.h,v $
 *
 *  $Revision: 1.4 $
 *
 *  last change: $Author: rt $ $Date: 2005/09/08 14:41:10 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

#ifndef _RTL_STRBUF_H_
#define _RTL_STRBUF_H_

#ifndef _RTL_STRING_H_
#include <rtl/string.h>
#endif

#ifdef __cplusplus
extern "C" {
#endif

/** @HTML
	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.
 */
void SAL_CALL rtl_stringbuffer_newFromStr_WithLength( rtl_String ** newStr,
													  const sal_Char * 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_Int32 SAL_CALL rtl_stringbuffer_newFromStringBuffer( rtl_String ** newStr,
													     sal_Int32 capacity,
													     rtl_String * olsStr );

/**
	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   capacity		  in: old capicity, out: new capacity.
	@param   minimumCapacity   the minimum desired capacity.
 */
void SAL_CALL rtl_stringbuffer_ensureCapacity(	/*inout*/rtl_String ** This, 
												/*inout*/sal_Int32* capacity, 
												sal_Int32 minimumCapacity);


/**
	Inserts the string representation of the <code>char</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	capacity 	the capacity of the string buffer
	@param 	offset  	the offset.
	@param 	ch      	a character array.
	@param	len    		the number of characters to append.
	@return	this string buffer.
 */
void SAL_CALL rtl_stringbuffer_insert( /*inout*/rtl_String ** This, 
									   /*inout*/sal_Int32 * capacity,
									   sal_Int32 offset, 
									   const sal_Char * str, 
									   sal_Int32 len);

#ifdef __cplusplus
}
#endif

#endif	/* _RTL_STRBUF_H_ */
