rpsmplxml.cpp
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of RealNetworks Community Source License
- * Version 1.0 (the "License"). You may not use this file except in
- * compliance with the License executed by both you and RealNetworks. You
- * may obtain a copy of the License at
- * http://www.helixcommunity.org/content/rcsl. You may also obtain a
- * copy of the License by contacting RealNetworks directly. Please see the
- * License for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- //$Id: rpsmplxml.cpp,v 1.2 2003/05/01 16:15:40 sblachowicz Exp $
- #include <ctype.h>
- //#include "hlxclib/stdio.h"
- #include "hlxclib/string.h"
- #include "rpsmplxml.h"
- //----------------------------------------------------------- Constants
- //----------------------------------------------------------- Types
- //----------------------------------------------------------- Functions
- //----------------------------------------------------------- Methods
- //---------------------------------------------------- CRPSimpleXMLTag
- CRPSimpleXMLTag::CRPSimpleXMLTag()
- {
- Init();
- }
- void CRPSimpleXMLTag::Init()
- {
- m_type = RPXMLTag_Plain;
- m_pName = 0;
- m_bNeedClose = TRUE;
- m_numAttrs = 0;
- }
- CRPSimpleXMLAttr *CRPSimpleXMLTag::FindAttribute( const char *pAttrName )
- {
- CRPSimpleXMLAttr *pCurAttr = m_attrs;
- for( INT32 i=0; i<m_numAttrs; i++, pCurAttr++ )
- {
- if( !strcmp( pAttrName, pCurAttr->m_pName ) )
- return pCurAttr;
- }
- return 0;
- }
- //---------------------------------------------------- CRPSimpleXMLParser
- CRPSimpleXMLParser::CRPSimpleXMLParser( char *pData ) :
- m_pData( pData ),
- m_pCurPtr( pData )
- {
- }
- CRPSimpleXMLParser::~CRPSimpleXMLParser()
- {
- }
- RPXMLParseResult CRPSimpleXMLParser::NextTag( CRPSimpleXMLTag& tag, BOOL bStrict )
- {
- // Initialize the tag to an empty state
- tag.Init();
- // Look for opening bracket
- while( *m_pCurPtr && *m_pCurPtr != '<' )
- m_pCurPtr++;
- // Check for end of file
- if( !*m_pCurPtr )
- return RPXMLResult_EOF;
- // Skip past opening bracket
- m_pCurPtr++;
- // Skip white space
- while( isspace( *m_pCurPtr ) )
- m_pCurPtr++;
- // Check for end tag condition
- if( *m_pCurPtr == '/' )
- {
- tag.m_type = RPXMLTag_End;
- tag.m_bNeedClose = FALSE;
- m_pCurPtr++;
- }
- // Get tag name
- tag.m_pName = m_pCurPtr;
- while( _IsValidNameChar( *m_pCurPtr ) )
- m_pCurPtr++;
- char *pNameEnd = m_pCurPtr;
- // Look for attributes
- while( *m_pCurPtr != '>' )
- {
- // Check for error
- if( !*m_pCurPtr )
- return RPXMLResult_Error;
- // check for an id
- if( isalpha( *m_pCurPtr ) || *m_pCurPtr == '_' )
- {
- // found an id. Check bound condiditons for number of attributes
- HX_ASSERT( tag.m_numAttrs < kMaxXMLAttributes );
- if( tag.m_numAttrs >= kMaxXMLAttributes )
- return RPXMLResult_Error;
- // Parse the name
- tag.m_attrs[ tag.m_numAttrs ].m_pName = m_pCurPtr;
- while( _IsValidNameChar( *m_pCurPtr ) )
- m_pCurPtr++;
- // Check for error
- if( !*m_pCurPtr )
- return RPXMLResult_Error;
- char *pIDEnd = m_pCurPtr;
- // skip the equal sign
- while( *m_pCurPtr != '=' )
- {
- if( !*m_pCurPtr )
- return RPXMLResult_Error;
- m_pCurPtr++;
- }
- m_pCurPtr++;
- // Get the value
- while( isspace( *m_pCurPtr ) )
- m_pCurPtr++;
- // Check for error
- if( !*m_pCurPtr )
- return RPXMLResult_Error;
- // save quote type
- char delim = 0;
- if( *m_pCurPtr == '"' || *m_pCurPtr == ''' )
- {
- delim = *m_pCurPtr;
- m_pCurPtr++;
- }
- if( bStrict && !delim )
- return RPXMLResult_Error;
- tag.m_attrs[ tag.m_numAttrs++ ].m_pValue = m_pCurPtr;
- while( delim && *m_pCurPtr != delim ||
- !delim && !isspace(*m_pCurPtr) && *m_pCurPtr != '/')
- {
- // Check for error
- if( !*m_pCurPtr )
- return RPXMLResult_Error;
- m_pCurPtr++;
- }
- char *pValueEnd = m_pCurPtr;
- m_pCurPtr++;
- // If we ran into a forward slash either report an error, or note it
- if( *pValueEnd == '/' )
- {
- if( bStrict )
- return RPXMLResult_Error;
- else
- tag.m_bNeedClose = FALSE;
- }
- // Fix up ends of strings
- *pIDEnd = ' ';
- *pValueEnd = ' ';
- }
- else
- m_pCurPtr++;
- }
- // Check for an end marker
- if( *( m_pCurPtr - 1 ) == '/' )
- {
- tag.m_bNeedClose = FALSE;
- }
- m_pCurPtr++;
- // Fix up ends of strings
- *pNameEnd = ' ';
- return RPXMLResult_Tag;
- }