/****************************************************************************
 *
 *  Copyright (C) 2000-2001 RealNetworks, Inc. All rights reserved.
 *
 *  This program is free software.  It may be distributed under the terms
 *  in the file LICENSE, found in the top level of the source distribution.
 *
 */

#include "url.h"

#include <stdlib.h>
#include <string.h>

CUrl::CUrl( void ) :
    m_scheme(SCHEME_INVALID)
{
    // Empty
}

CUrl::CUrl( const CString& strUrl ) :
    m_scheme(SCHEME_INVALID)
{
    Parse( strUrl );
}

CUrl::~CUrl( void )
{
}

bool CUrl::IsValid( void ) const
{
    return ( m_scheme != SCHEME_INVALID );
}

bool CUrl::Set( const CString& strUrl )
{
    return Parse( strUrl );
}

bool CUrl::Get( Scheme* pscheme, CString* pstrHost, UINT16* pusPort, CString* pstrPath ) const
{
    if( m_scheme == SCHEME_INVALID ) return false;

    *pscheme = m_scheme;
    *pstrHost = m_strHost;
    *pusPort = m_usPort;
    *pstrPath = m_strPath;
    return true;
}

CUrl::Scheme CUrl::GetScheme( void ) const
{
    return m_scheme;
}

const CString& CUrl::GetHost( void ) const
{
    return m_strHost;
}

UINT16 CUrl::GetPort( void ) const
{
    return m_usPort;
}

const CString& CUrl::GetPath( void ) const
{
    return m_strPath;
}

bool CUrl::Parse( const CString& strUrl )
{
    CPCHAR p = NULL;

    //FIXME: Cheap and sleazy and *incomplete* parser for HTTP and RTSP only
    if( 0 == strncasecmp( strUrl, "http://", 7 ) )
    {
        m_scheme = SCHEME_HTTP;
        m_usPort = 80;
    }
    else if( 0 == strncasecmp( strUrl, "rtsp://", 7 ) )
    {
        m_scheme = SCHEME_RTSP;
        m_usPort = 554;
    }
    else
    {
        return false;
    }

    // Found host, look for port or path
    p = (CPCHAR)strUrl + 7;
    while( *p && *p != ':' && *p != '/' ) p++;

    m_strHost.Set( (CPCHAR)strUrl + 7, p - (CPCHAR)strUrl - 7 );

    if( *p == ':' )
    {
        // Found port
        m_usPort = atoi( p+1 );
        while( *p && *p != '/' ) p++;
    }
    if( *p )
    {
        // Found path
        m_strPath = p+1;
    }

    return true;
}