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SdpBandWidth.cpp
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106 lines (93 loc) · 2.75 KB
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/*
* Copyright (C) 2012 Yee Young Han <websearch@naver.com> (http://blog.naver.com/websearch)
*
* This program 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; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "SipPlatformDefine.h"
#include "SdpBandWidth.h"
#include "MemoryDebug.h"
/**
* @ingroup SdpParser
* @brief 생성자
*/
CSdpBandWidth::CSdpBandWidth()
{
}
/**
* @ingroup SdpParser
* @brief 소멸자
*/
CSdpBandWidth::~CSdpBandWidth()
{
}
/**
* @ingroup SdpParser
* @brief SDP bandwitdh 의 value 문자열을 파싱한다.
* @param pszText SDP bandwitdh 의 value 문자열
* @param iTextLen SDP bandwitdh 의 value 문자열 길이
* @returns 성공하면 파싱한 길이를 리턴하고 그렇지 않으면 -1를 리턴한다.
*/
int CSdpBandWidth::Parse( const char * pszText, int iTextLen )
{
Clear();
if( pszText == NULL || iTextLen <= 0 ) return -1;
int iPos;
for( iPos = 0; iPos < iTextLen; ++iPos )
{
if( pszText[iPos] == ':' )
{
m_strType.append( pszText, iPos );
m_strBandWidth.append( pszText + iPos + 1, iTextLen - ( iPos + 1 ) );
break;
}
}
if( m_strType.empty() )
{
m_strType.append( pszText, iTextLen );
}
return iTextLen;
}
/**
* @ingroup SdpParser
* @brief SDP bandwitdh 의 value 문자열을 저장한다.
* @param pszText SDP bandwitdh 의 value 문자열을 저장할 변수
* @param iTextSize pszText 변수의 크기
* @returns 성공하면 저장된 문자열 길이를 리턴하고 그렇지 않으면 -1 를 리턴한다.
*/
int CSdpBandWidth::ToString( char * pszText, int iTextSize )
{
if( pszText == NULL || iTextSize <= 0 ) return -1;
if( Empty() ) return -1;
return snprintf( pszText, iTextSize, "%s:%s", m_strType.c_str(), m_strBandWidth.c_str() );
}
/**
* @ingroup SdpParser
* @brief 멤버 변수를 초기화시킨다.
*/
void CSdpBandWidth::Clear()
{
m_strType.clear();
m_strBandWidth.clear();
}
/**
* @ingroup SdpParser
* @brief 데이터가 존재하면 false 를 리턴하고 그렇지 않으면 true 를 리턴한다.
* @return 데이터가 존재하면 false 를 리턴하고 그렇지 않으면 true 를 리턴한다.
*/
bool CSdpBandWidth::Empty()
{
if( m_strType.empty() || m_strBandWidth.empty() ) return true;
return false;
}