mirror of https://github.com/axmolengine/axmol.git
136 lines
3.6 KiB
C++
136 lines
3.6 KiB
C++
// Copyright (c) 2018-2019 HALX99
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// Copyright (c) 2020 c4games.com
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#pragma once
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#include "platform/CCFileStream.h"
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#include "platform/CCPlatformConfig.h"
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#include <string>
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#if CC_TARGET_PLATFORM == CC_PLATFORM_WIN32
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# include <io.h>
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# include <direct.h>
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#else
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# include <unistd.h>
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# include <errno.h>
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#endif
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#include <fcntl.h>
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#include <functional>
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#include "platform/CCPlatformMacros.h"
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#if CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID
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# include "platform/android/CCFileUtils-android.h"
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# include <jni.h>
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# include <android/asset_manager.h>
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# include <android/asset_manager_jni.h>
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# include "base/ZipUtils.h"
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#endif
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#if defined(_WIN32)
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# include "ntcvt/ntcvt.hpp"
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# define O_READ_FLAGS O_BINARY | O_RDONLY, S_IREAD
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# define O_WRITE_FLAGS O_CREAT | O_RDWR | O_BINARY | O_TRUNC, S_IWRITE | S_IREAD
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# define O_APPEND_FLAGS O_APPEND | O_CREAT | O_RDWR | O_BINARY, S_IWRITE | S_IREAD
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# define O_OVERLAP_FLAGS O_CREAT | O_RDWR | O_BINARY, S_IWRITE | S_IREAD
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# define posix_open_cxx(path, ...) ::_wopen(ntcvt::from_chars(path).c_str(), ##__VA_ARGS__)
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# define posix_open(path, ...) ::_wopen(ntcvt::from_chars(path).c_str(), ##__VA_ARGS__)
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# define posix_close ::_close
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# define posix_lseek ::_lseek
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# define posix_lseek64 ::_lseeki64
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# define posix_read ::_read
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# define posix_write ::_write
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# define posix_fd2fh(fd) reinterpret_cast<HANDLE>(_get_osfhandle(fd))
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# define posix_fsetsize(fd, size) ::_chsize(fd, size)
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#else
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# if defined(__APPLE__)
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# define posix_lseek64 ::lseek
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# else
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# define posix_lseek64 ::lseek64
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# endif
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# define O_READ_FLAGS O_RDONLY
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# define O_WRITE_FLAGS O_CREAT | O_RDWR | O_TRUNC, S_IRWXU
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# define O_APPEND_FLAGS O_APPEND | O_CREAT | O_RDWR, S_IRWXU
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# define O_OVERLAP_FLAGS O_CREAT | O_RDWR, S_IRWXU
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# define posix_open_cxx(path, ...) ::open(path.data(), ##__VA_ARGS__)
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# define posix_open ::open
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# define posix_close ::close
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# define posix_lseek ::lseek
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# define posix_read ::read
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# define posix_write ::write
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# define posix_fd2fh(fd) (fd)
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# define posix_fsetsize(fd, size) (::ftruncate(fd, size), ::lseek(fd, 0, SEEK_SET))
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#endif
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NS_CC_BEGIN
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struct UnzFileStream;
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union PXFileHandle
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{
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int _fd = -1;
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#if CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID
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AAsset* _asset;
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ZipFileStream _zfs;
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#endif
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};
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struct PXIoF;
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class CC_DLL PosixFileStream : public FileStream
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{
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public:
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PosixFileStream() = default;
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virtual ~PosixFileStream();
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PosixFileStream(const PosixFileStream& other) = delete;
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PosixFileStream(PosixFileStream&& other) noexcept
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: FileStream(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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PosixFileStream& operator=(const PosixFileStream& other) = delete;
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PosixFileStream& operator=(PosixFileStream&& other) noexcept
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{
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if (this == &other)
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return *this;
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FileStream::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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enum class Mode
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{
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READ,
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WRITE,
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APPEND,
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};
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bool open(std::string_view path, FileStream::Mode mode) override;
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int close() override;
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int seek(int64_t offset, int origin) override;
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int read(void* buf, unsigned int size) override;
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int write(const void* buf, unsigned int size) override;
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int64_t tell() override;
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int64_t size() override;
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bool isOpen() const override;
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private:
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int internalClose();
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void reset();
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PXFileHandle _handle{};
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const PXIoF* _iof{};
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};
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NS_CC_END
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