cpl_minixml.h

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/**********************************************************************
 * $Id: cpl_minixml.h 35921 2016-10-25 02:28:29Z goatbar $
 *
 * 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
{
    CPLXMLNodeType      eType;

    char                *pszValue;

    struct CPLXMLNode  *psNext;

    struct CPLXMLNode  *psChild;
} CPLXMLNode;

CPLXMLNode CPL_DLL *CPLParseXMLString( const char * );
void       CPL_DLL  CPLDestroyXMLNode( CPLXMLNode * );
CPLXMLNode CPL_DLL *CPLGetXMLNode( CPLXMLNode *poRoot,
                                   const char *pszPath );
CPLXMLNode CPL_DLL *CPLSearchXMLNode( CPLXMLNode *poRoot,
                                      const char *pszTarget );
const char CPL_DLL *CPLGetXMLValue( 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( 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

#ifdef __cplusplus

class CPLXMLTreeCloser {
 public:
  explicit CPLXMLTreeCloser(CPLXMLNode* data) { the_data_ = data; }

  ~CPLXMLTreeCloser() {
    if (the_data_) CPLDestroyXMLNode(the_data_);
  }

  CPLXMLNode* get() const { return the_data_; }

  CPLXMLNode* operator->() const { return get(); }

 private:
  CPLXMLNode* the_data_;
};
#endif /* __cplusplus */

#endif /* CPL_MINIXML_H_INCLUDED */