Line data    Source code

       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  VICAR Driver; JPL/MIPL VICAR Format
       4             :  * Purpose:  Implementation of VICARKeywordHandler - a class to read
       5             :  *           keyword data from VICAR data products.
       6             :  * Authors:  Sebastian Walter <sebastian dot walter at fu-berlin dot de>
       7             :  *
       8             :  * NOTE: This driver code is loosely based on the ISIS and PDS drivers.
       9             :  * It is not intended to diminish the contribution of the authors.
      10             :  ******************************************************************************
      11             :  * Copyright (c) 2014, Sebastian Walter <sebastian dot walter at fu-berlin dot
      12             :  *de>
      13             :  *
      14             :  * Permission is hereby granted, free of charge, to any person obtaining a
      15             :  * copy of this software and associated documentation files (the "Software"),
      16             :  * to deal in the Software without restriction, including without limitation
      17             :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      18             :  * and/or sell copies of the Software, and to permit persons to whom the
      19             :  * Software is furnished to do so, subject to the following conditions:
      20             :  *
      21             :  * The above copyright notice and this permission notice shall be included
      22             :  * in all copies or substantial portions of the Software.
      23             :  *
      24             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
      25             :  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      26             :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
      27             :  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      28             :  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
      29             :  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
      30             :  * DEALINGS IN THE SOFTWARE.
      31             :  ****************************************************************************/
      32             : 
      33             : #ifndef VICARKEYWORDHANDLER_H
      34             : #define VICARKEYWORDHANDLER_H
      35             : 
      36             : #include "cpl_json.h"
      37             : 
      38             : class VICARKeywordHandler
      39             : {
      40             :     char **papszKeywordList;
      41             : 
      42             :     CPLString osHeaderText;
      43             :     const char *pszHeaderNext;
      44             : 
      45             :     CPLJSONObject oJSon;
      46             : 
      47             :     void SkipWhite();
      48             :     bool ReadName(CPLString &osWord);
      49             :     bool ReadValue(CPLString &osWord, bool bInList, bool &bIsString);
      50             :     bool ReadPair(CPLString &osName, CPLString &osValue, CPLJSONObject &oCur);
      51             :     bool Parse();
      52             : 
      53             :   public:
      54             :     VICARKeywordHandler();
      55             :     ~VICARKeywordHandler();
      56             : 
      57             :     bool Ingest(VSILFILE *fp, const GByte *pabyHeader);
      58             : 
      59             :     const char *GetKeyword(const char *pszPath, const char *pszDefault) const;
      60             : 
      61         112 :     const CPLJSONObject &GetJsonObject() const
      62             :     {
      63         112 :         return oJSon;
      64             :     }
      65             : };
      66             : 
      67             : #endif  // VICARKEYWORDHANDLER_H