tinystr.cpp

机器人开源项目orocos的源代码

/***************************************************************************
  tag: Peter Soetens  do nov 2 13:06:02 CET 2006  tinystr.cpp 

                        tinystr.cpp -  description
                           -------------------
    begin                : do november 02 2006
    copyright            : (C) 2006 Peter Soetens
    email                : [e-mail]
 
 ***************************************************************************
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU General Public                   *
 *   License as published by the Free Software Foundation;                 *
 *   version 2 of the License.                                             *
 *                                                                         *
 *   As a special exception, you may use this file as part of a free       *
 *   software library without restriction.  Specifically, if other files   *
 *   instantiate templates or use macros or inline functions from this     *
 *   file, or you compile this file and link it with other files to        *
 *   produce an executable, this file does not by itself cause the         *
 *   resulting executable to be covered by the GNU General Public          *
 *   License.  This exception does not however invalidate any other        *
 *   reasons why the executable file might be covered by the GNU General   *
 *   Public License.                                                       *
 *                                                                         *
 *   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 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                                *
 *                                                                         *
 ***************************************************************************/
 
 
/*
www.sourceforge.net/projects/tinyxml
Original file by Yves Berquin.

This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any
damages arising from the use of this software.

Permission is granted to anyone to use this software for any
purpose, including commercial applications, and to alter it and
redistribute it freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must
not claim that you wrote the original software. If you use this
software in a product, an acknowledgment in the product documentation
would be appreciated but is not required.

2. Altered source versions must be plainly marked as such, and
must not be misrepresented as being the original software.

3. This notice may not be removed or altered from any source
distribution.
*/

/*
 * THIS FILE WAS ALTERED BY Tyge L鴙set, 7. April 2005.
 */


#ifndef TIXML_USE_STL

#include "tinystr.h"

namespace RTT { namespace detail {

// Error value for find primitive
const TiXmlString::size_type TiXmlString::npos = static_cast< size_type >(-1);

// Null rep.
TiXmlString::Rep TiXmlString::nullrep_ = { 0, 0, '\0' };


void TiXmlString::reserve (size_type cap)
{
	if (cap > capacity())
	{
		TiXmlString tmp;
		tmp.init(length(), cap);
		memcpy(tmp.start(), data(), length());
		swap(tmp);
	}
}


TiXmlString& TiXmlString::assign(const char* str, size_type len)
{
	size_type cap = capacity();
	if (len > cap || cap > 3*(len + 8))
	{
		TiXmlString tmp;
		tmp.init(len);
		memcpy(tmp.start(), str, len);
		swap(tmp);
	}
	else
	{
		memmove(start(), str, len);
		set_size(len);
	}
	return *this;
}


TiXmlString& TiXmlString::append(const char* str, size_type len)
{
	size_type newsize = length() + len;
	if (newsize > capacity())
	{
		reserve (newsize + capacity());
	}
	memmove(finish(), str, len);
	set_size(newsize);
	return *this;
}


TiXmlString operator + (const TiXmlString & a, const TiXmlString & b)
{
	TiXmlString tmp;
	tmp.reserve(a.length() + b.length());
	tmp += a;
	tmp += b;
	return tmp;
}

TiXmlString operator + (const TiXmlString & a, const char* b)
{
	TiXmlString tmp;
	TiXmlString::size_type b_len = static_cast<TiXmlString::size_type>( strlen(b) );
	tmp.reserve(a.length() + b_len);
	tmp += a;
	tmp.append(b, b_len);
	return tmp;
}

TiXmlString operator + (const char* a, const TiXmlString & b)
{
	TiXmlString tmp;
	TiXmlString::size_type a_len = static_cast<TiXmlString::size_type>( strlen(a) );
	tmp.reserve(a_len + b.length());
	tmp.append(a, a_len);
	tmp += b;
	return tmp;
}

}}

#endif	// TIXML_USE_STL