mirror of https://github.com/PCSX2/pcsx2.git
120 lines
3.8 KiB
C++
120 lines
3.8 KiB
C++
/* PCSX2 - PS2 Emulator for PCs
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* Copyright (C) 2002-2010 PCSX2 Dev Team
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*
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* PCSX2 is free software: you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with PCSX2.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <wx/stream.h>
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#include <wx/filefn.h>
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#include <memory>
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#include "Dependencies.h"
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// --------------------------------------------------------------------------------------
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// pxStreamBase
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// --------------------------------------------------------------------------------------
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class pxStreamBase
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{
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DeclareNoncopyableObject(pxStreamBase);
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protected:
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// Filename of the stream, provided by the creator/caller. This is typically used *only*
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// for generating comprehensive error messages when an error occurs (the stream name is
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// passed to the exception handlers).
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wxString m_filename;
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public:
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pxStreamBase(const wxString& filename);
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virtual ~pxStreamBase() = default;
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// Implementing classes should return the base wxStream object (usually either a wxInputStream
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// or wxOputStream derivative).
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virtual wxStreamBase* GetWxStreamBase() const = 0;
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virtual void Close() = 0;
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virtual wxFileOffset Tell() const = 0;
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virtual wxFileOffset Seek(wxFileOffset ofs, wxSeekMode mode = wxFromStart) = 0;
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virtual wxFileOffset Length() const;
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bool IsOk() const;
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wxString GetStreamName() const { return m_filename; }
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};
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// --------------------------------------------------------------------------------------
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// pxOutputStream
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// --------------------------------------------------------------------------------------
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class pxOutputStream : public pxStreamBase
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{
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DeclareNoncopyableObject(pxOutputStream);
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protected:
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std::unique_ptr<wxOutputStream> m_stream_out;
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public:
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pxOutputStream(const wxString& filename, std::unique_ptr<wxOutputStream>& output);
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pxOutputStream(const wxString& filename, wxOutputStream* output);
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virtual ~pxOutputStream() = default;
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virtual void Write(const void* data, size_t size);
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void SetStream(const wxString& filename, std::unique_ptr<wxOutputStream>& stream);
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void SetStream(const wxString& filename, wxOutputStream* stream);
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void Close() { m_stream_out = nullptr; }
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virtual wxStreamBase* GetWxStreamBase() const;
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template <typename T>
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void Write(const T& data)
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{
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Write(&data, sizeof(data));
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}
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wxFileOffset Tell() const;
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wxFileOffset Seek(wxFileOffset ofs, wxSeekMode mode = wxFromStart);
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};
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// --------------------------------------------------------------------------------------
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// pxInputStream
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// --------------------------------------------------------------------------------------
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class pxInputStream : public pxStreamBase
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{
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DeclareNoncopyableObject(pxInputStream);
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protected:
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std::unique_ptr<wxInputStream> m_stream_in;
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public:
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pxInputStream(const wxString& filename, std::unique_ptr<wxInputStream>& input);
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pxInputStream(const wxString& filename, wxInputStream* input);
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virtual ~pxInputStream() = default;
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virtual void Read(void* dest, size_t size);
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void SetStream(const wxString& filename, std::unique_ptr<wxInputStream>& stream);
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void SetStream(const wxString& filename, wxInputStream* stream);
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void Close() { m_stream_in = nullptr; }
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virtual wxStreamBase* GetWxStreamBase() const;
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template <typename T>
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void Read(T& dest)
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{
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Read(&dest, sizeof(dest));
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}
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wxFileOffset Tell() const;
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wxFileOffset Seek(wxFileOffset ofs, wxSeekMode mode = wxFromStart);
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};
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