mirror of https://github.com/axmolengine/axmol.git
90 lines
2.0 KiB
C++
90 lines
2.0 KiB
C++
// Copyright (c) 2018-2019 HALX99
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// Copyright (c) 2020 C4games Ltd
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#pragma once
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#include "platform/IFileStream.h"
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#include "platform/PlatformConfig.h"
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#include <string>
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#include <functional>
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#include "platform/PlatformMacros.h"
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#if AX_TARGET_PLATFORM == AX_PLATFORM_ANDROID
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# include <android/asset_manager.h>
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#endif
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NS_AX_BEGIN
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struct ZipEntryInfo;
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union PXFileHandle
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{
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void* value;
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#if defined(_WIN32)
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struct
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{
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osfhnd_t osfh; // underlying OS file HANDLE
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bool append; // append mode?
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};
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#else
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osfhnd_t osfh = -1; // underlying OS file HANDLE
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#endif
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#if AX_TARGET_PLATFORM == AX_PLATFORM_ANDROID
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AAsset* aasset;
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ZipEntryInfo* zentry;
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#endif
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};
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struct PXIoF;
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class AX_DLL FileStream : public IFileStream
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{
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public:
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FileStream() = default;
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virtual ~FileStream();
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FileStream(const FileStream& other) = delete;
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FileStream(FileStream&& other) noexcept
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: IFileStream(std::move(other)), _handle(std::move(other._handle)), _iof(other._iof)
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{
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other.reset();
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}
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FileStream& operator=(const FileStream& other) = delete;
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FileStream& operator=(FileStream&& other) noexcept
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{
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if (this == &other)
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return *this;
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IFileStream::operator=(std::move(other));
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_handle = std::move(other._handle);
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_iof = other._iof;
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other.reset();
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return *this;
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}
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bool open(std::string_view path, IFileStream::Mode mode) override;
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int close() override;
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int64_t seek(int64_t offset, int origin) const override;
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int read(void* buf, unsigned int size) const override;
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int write(const void* buf, unsigned int size) const override;
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int64_t size() const override;
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bool resize(int64_t size) const override;
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bool isOpen() const override;
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osfhnd_t nativeHandle() const override;
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private:
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int internalClose();
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void reset() { _iof = nullptr; }
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PXFileHandle _handle{};
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const PXIoF* _iof{nullptr};
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};
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NS_AX_END
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