81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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Audacity(R) is copyright (c) 1999-2010 Audacity Team.
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License: GPL v2. See License.txt.
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AutoRecovery.h
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*******************************************************************/
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#ifndef __AUDACITY_AUTORECOVERY__
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#define __AUDACITY_AUTORECOVERY__
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#include "xml/XMLTagHandler.h"
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#include <wx/mstream.h> // member variables
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#include <unordered_map>
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#include "audacity/Types.h"
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///
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/// AutoSaveFile
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///
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using NameMap = std::unordered_map<wxString, short>;
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using IdMap = std::unordered_map<short, wxString>;
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// This class's overrides do NOT throw AudacityException.
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class AUDACITY_DLL_API AutoSaveFile final : public XMLWriter
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{
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public:
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static TranslatableString FailureMessage( const FilePath &filePath );
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AutoSaveFile(size_t allocSize = 1024 * 1024);
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virtual ~AutoSaveFile();
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void StartTag(const wxString & name) override;
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void EndTag(const wxString & name) override;
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void WriteAttr(const wxString & name, const wxString &value) override;
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void WriteAttr(const wxString & name, const wxChar *value) override;
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void WriteAttr(const wxString & name, int value) override;
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void WriteAttr(const wxString & name, bool value) override;
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void WriteAttr(const wxString & name, long value) override;
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void WriteAttr(const wxString & name, long long value) override;
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void WriteAttr(const wxString & name, size_t value) override;
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void WriteAttr(const wxString & name, float value, int digits = -1) override;
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void WriteAttr(const wxString & name, double value, int digits = -1) override;
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void WriteData(const wxString & value) override;
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void Write(const wxString & data) override;
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// Non-override functions
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void WriteSubTree(const AutoSaveFile & value);
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bool Write(wxFFile & file) const;
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bool Append(wxFFile & file) const;
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const wxMemoryBuffer &GetDict() const;
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const wxMemoryBuffer &GetData() const;
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bool IsEmpty() const;
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bool DictChanged() const;
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static wxString Decode(const wxMemoryBuffer &buffer);
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private:
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void WriteName(const wxString & name);
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private:
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wxMemoryBuffer mBuffer;
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bool mDictChanged;
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static NameMap mNames;
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static wxMemoryBuffer mDict;
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};
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#endif
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