cpl_minixml.h

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/**********************************************************************
 * $Id$
 *
 * Project:  CPL - Common Portability Library
 * Purpose:  Declarations for MiniXML Handler.
 * Author:   Frank Warmerdam, warmerdam@pobox.com
 *
 **********************************************************************
 * Copyright (c) 2001, Frank Warmerdam
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 ****************************************************************************/
 
#ifndef CPL_MINIXML_H_INCLUDED
#define CPL_MINIXML_H_INCLUDED
 
#include "cpl_port.h"
 
CPL_C_START
 
typedef enum
{           CXT_Element = 0,     CXT_Text = 1,            CXT_Attribute = 2,      CXT_Comment = 3,    CXT_Literal = 4
} CPLXMLNodeType;
 
typedef struct CPLXMLNode CPLXMLNode;
struct CPLXMLNode
{
    CPLXMLNodeType      eType;
 
    char                *pszValue;
 
    struct CPLXMLNode  *psNext;
 
    struct CPLXMLNode  *psChild;
};
 
CPLXMLNode CPL_DLL *CPLParseXMLString( const char * );
void       CPL_DLL  CPLDestroyXMLNode( CPLXMLNode * );
CPLXMLNode CPL_DLL *CPLGetXMLNode( CPLXMLNode *poRoot,
                                   const char *pszPath );
#if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
extern "C++"
{
inline const CPLXMLNode *CPLGetXMLNode( const CPLXMLNode *poRoot,
                                        const char *pszPath ) {
    return const_cast<const CPLXMLNode*>(CPLGetXMLNode(
        const_cast<CPLXMLNode*>(poRoot), pszPath));
}
}
#endif
CPLXMLNode CPL_DLL *CPLSearchXMLNode( CPLXMLNode *poRoot,
                                      const char *pszTarget );
#if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
extern "C++"
{
inline const CPLXMLNode *CPLSearchXMLNode( const CPLXMLNode *poRoot,
                                           const char *pszTarget ) {
    return const_cast<const CPLXMLNode*>(CPLSearchXMLNode(
        const_cast<CPLXMLNode*>(poRoot), pszTarget));
}
}
#endif
const char CPL_DLL *CPLGetXMLValue( const CPLXMLNode *poRoot,
                                    const char *pszPath,
                                    const char *pszDefault );
CPLXMLNode CPL_DLL *CPLCreateXMLNode( CPLXMLNode *poParent,
                                      CPLXMLNodeType eType,
                                      const char *pszText );
char       CPL_DLL *CPLSerializeXMLTree( const CPLXMLNode *psNode );
void       CPL_DLL  CPLAddXMLChild( CPLXMLNode *psParent,
                                    CPLXMLNode *psChild );
int        CPL_DLL  CPLRemoveXMLChild( CPLXMLNode *psParent,
                                       CPLXMLNode *psChild );
void       CPL_DLL  CPLAddXMLSibling( CPLXMLNode *psOlderSibling,
                                      CPLXMLNode *psNewSibling );
CPLXMLNode CPL_DLL *CPLCreateXMLElementAndValue( CPLXMLNode *psParent,
                                                 const char *pszName,
                                                 const char *pszValue );
void       CPL_DLL CPLAddXMLAttributeAndValue( CPLXMLNode *psParent,
                                                 const char *pszName,
                                                 const char *pszValue );
CPLXMLNode CPL_DLL *CPLCloneXMLTree( const CPLXMLNode *psTree );
int        CPL_DLL CPLSetXMLValue( CPLXMLNode *psRoot,  const char *pszPath,
                                   const char *pszValue );
void       CPL_DLL CPLStripXMLNamespace( CPLXMLNode *psRoot,
                                         const char *pszNameSpace,
                                         int bRecurse );
void       CPL_DLL CPLCleanXMLElementName( char * );
 
CPLXMLNode CPL_DLL *CPLParseXMLFile( const char *pszFilename );
int        CPL_DLL CPLSerializeXMLTreeToFile( const CPLXMLNode *psTree,
                                              const char *pszFilename );
 
CPL_C_END
 
#if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
 
extern "C++"
{
#ifndef DOXYGEN_SKIP
#include <memory>
#endif
 
struct CPL_DLL CPLXMLTreeCloserDeleter
{
    void operator()(CPLXMLNode* psNode) const { CPLDestroyXMLNode(psNode); }
};
class CPL_DLL CPLXMLTreeCloser: public std::unique_ptr<CPLXMLNode, CPLXMLTreeCloserDeleter>
{
 public:
  explicit CPLXMLTreeCloser(CPLXMLNode* data):
    std::unique_ptr<CPLXMLNode, CPLXMLTreeCloserDeleter>(data) {}
 
  CPLXMLNode* getDocumentElement();
};
 
} // extern "C++"
 
#endif /* __cplusplus */
 
#endif /* CPL_MINIXML_H_INCLUDED */