mirror of https://github.com/ksherlock/afp.git
85 lines
1.9 KiB
C++
85 lines
1.9 KiB
C++
#ifndef __afp_resource_fork_h__
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#define __afp_resource_fork_h__
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#include <string>
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#include <system_error>
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#if defined(_WIN32) || defined(__CYGWIN__) || defined(__MSYS__)
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#define AFP_WIN32
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#endif
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namespace afp {
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class resource_fork {
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public:
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enum open_mode {
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read_only = 1,
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write_only = 2,
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read_write = 3,
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};
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resource_fork() = default;
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resource_fork(const resource_fork &) = delete;
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resource_fork(resource_fork &&rhs);
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resource_fork& operator=(const resource_fork &rhs) = delete;
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resource_fork& operator=(resource_fork &&rhs);
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~resource_fork() { close(); }
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static size_t size(const std::string &path, std::error_code &ec);
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static bool remove(const std::string &path, std::error_code &ec);
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static size_t write(const std::string &path, const void *buffer, size_t n, std::error_code &ec);
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#ifdef AFP_WIN32
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static size_t size(const std::wstring &path, std::error_code &ec);
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static bool remove(const std::wstring &path, std::error_code &ec);
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static size_t write(const std::wstring &path, const void *buffer, size_t n, std::error_code &ec);
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#endif
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bool open(const std::string &s, open_mode mode, std::error_code &ec);
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bool open(const std::string &s, std::error_code &ec) {
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return open(s, read_only, ec);
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}
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#ifdef AFP_WIN32
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bool open(const std::wstring &s, open_mode mode, std::error_code &ec);
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bool open(const std::wstring &s, std::error_code &ec) {
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return open(s, read_only, ec);
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}
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#endif
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void close();
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size_t read(void *buffer, size_t n, std::error_code &);
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size_t write(const void *buffer, size_t n, std::error_code &);
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bool truncate(size_t pos, std::error_code &ec);
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bool seek(size_t pos, std::error_code &ec);
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size_t size(std::error_code &ec);
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private:
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#ifdef AFP_WIN32
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void *_fd = (void *)-1;
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#else
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int _fd = -1;
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#endif
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#if defined(__linux__) || defined(__FreeBSD__) || defined(_AIX)
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size_t _offset = 0;
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open_mode _mode = read_only;
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#endif
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};
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}
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#undef AFP_WIN32
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#endif
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