SettingsData.h

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//     ____   ______ __
//    / __ \ / ____// /
//   / /_/ // /    / /
//  / ____// /___ / /___   PixInsight Class Library
// /_/     \____//_____/   PCL 2.7.0
// ----------------------------------------------------------------------------
// pcl/SettingsData.h - Released 2024-06-18T15:48:54Z
// ----------------------------------------------------------------------------
// This file is part of the PixInsight Class Library (PCL).
// PCL is a multiplatform C++ framework for development of PixInsight modules.
//
// Copyright (c) 2003-2024 Pleiades Astrophoto S.L. All Rights Reserved.
//
// Redistribution and use in both source and binary forms, with or without
// modification, is permitted provided that the following conditions are met:
//
// 1. All redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
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// 2. All redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
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// 4. All products derived from this software, in any form whatsoever, must
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// ----------------------------------------------------------------------------
 
#ifndef __PCL_SettingsData_h
#define __PCL_SettingsData_h
 
 
#include <pcl/Defs.h>
#include <pcl/Diagnostics.h>
 
#include <pcl/AutoPointer.h>
#include <pcl/Variant.h>
 
namespace pcl
{
 
// ----------------------------------------------------------------------------
 
struct SettingsTree;
 
class PCL_CLASS SettingsData
{
public:
 
   SettingsData( const IsoString& identifier );
 
   virtual ~SettingsData();
 
   bool IsEmpty() const;
 
   fsize_type FileSize() const;
 
   void Clear();
 
   bool Add( const IsoString& key, const Variant& value );
 
   bool Remove( const IsoString& key );
 
   Variant Search( const IsoString& key ) const;
 
   IsoStringList Keys( const IsoString& key ) const;
 
   IsoStringList AllKeys() const;
 
   bool IsMinifiedXMLEnabled() const
   {
      return m_minifyXML;
   }
 
   void EnableMinifiedXML( bool enable = true )
   {
      m_minifyXML = enable;
   }
 
   void DisableMinifiedXML( bool disable = true )
   {
      EnableMinifiedXML( !disable );
   }
 
   bool IsBlockCompressionEnabled() const
   {
      return m_compressBlocks;
   }
 
   void EnableBlockCompression( bool enable = true )
   {
      m_compressBlocks = enable;
   }
 
   void DisableBlockCompression( bool disable = true )
   {
      EnableBlockCompression( !disable );
   }
 
   unsigned CompressionThreshold() const
   {
      return m_compressionThreshold;
   }
 
   void SetCompressionThreshold( unsigned threshold )
   {
      m_compressionThreshold = Range( threshold, 256u, 65536u );
   }
 
   int ModifiedCount() const
   {
      return m_modifiedCount;
   }
 
   bool IsModified() const
   {
      return m_modifiedCount > 0;
   }
 
   virtual void Load();
 
   virtual void Save() const;
 
   virtual void Purge();
 
protected:
 
           AutoPointer<SettingsTree> m_root;
           IsoString                 m_identifier;
           String                    m_filePath;
           bool                      m_minifyXML = true;
           bool                      m_compressBlocks = true;
           unsigned                  m_compressionThreshold = 4096;
   mutable Mutex                     m_mutex;
   mutable int                       m_modifiedCount = 0;
 
   static IsoStringList TokenizedKey( const IsoString& );
};
 
// ----------------------------------------------------------------------------
 
} // pcl
 
#endif   // __PCL_SettingsData_h
 
// ----------------------------------------------------------------------------
// EOF pcl/SettingsData.h - Released 2024-06-18T15:48:54Z