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89 lines
2.3 KiB
C++
89 lines
2.3 KiB
C++
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#ifndef __native_file_h__
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#define __native_file_h__
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#include <memory>
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#include <string>
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#include <stddef.h>
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#include <sys/types.h>
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#include <macos/tool_return.h>
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#ifdef _WIN32
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typedef long ssize_t;
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#endif
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namespace native {
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using MacOS::tool_return;
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class file {
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public:
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int refcount = 1;
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bool text = false;
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bool resource = false;
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std::string filename;
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virtual ~file() = default;
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virtual tool_return<size_t> read(void *out_buffer, size_t count) = 0;
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virtual tool_return<size_t> write(const void *in_buffer, size_t count) = 0;
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virtual tool_return<size_t> seek(ssize_t position, int whence);
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virtual tool_return<size_t> get_mark() = 0;
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virtual tool_return<size_t> set_mark(ssize_t new_mark) = 0;
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virtual tool_return<size_t> get_eof() = 0;
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virtual tool_return<size_t> set_eof(ssize_t new_eof) = 0;
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virtual bool interactive();
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protected:
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file() = default;
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file(const std::string &s) : filename(s)
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{}
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file(std::string &&s) : filename(std::move(s))
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{}
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};
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class fd_file final : public file {
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public:
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fd_file(const std::string &s, int fd);
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virtual ~fd_file();
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virtual tool_return<size_t> read(void *out_buffer, size_t count) override;
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virtual tool_return<size_t> write(const void *in_buffer, size_t count) override;
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virtual tool_return<size_t> seek(ssize_t position, int whence) override;
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virtual tool_return<size_t> get_mark() override;
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virtual tool_return<size_t> set_mark(ssize_t new_mark) override;
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virtual tool_return<size_t> get_eof() override;
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virtual tool_return<size_t> set_eof(ssize_t new_eof) override;
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virtual bool interactive() override;
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private:
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int _fd;
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bool _interactive = false;
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};
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/* empty, read-only pseudo file (for empty resource forks?) */
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class empty_file final : public file {
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public:
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empty_file(const std::string &s) : file(s) {}
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virtual tool_return<size_t> read(void *out_buffer, size_t count) override;
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virtual tool_return<size_t> write(const void *in_buffer, size_t count) override;
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virtual tool_return<size_t> seek(ssize_t position, int whence) override;
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virtual tool_return<size_t> get_mark() override;
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virtual tool_return<size_t> set_mark(ssize_t new_mark) override;
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virtual tool_return<size_t> get_eof() override;
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virtual tool_return<size_t> set_eof(ssize_t new_eof) override;
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};
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typedef std::unique_ptr<file> file_ptr;
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}
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#endif
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