X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fio%2Ffile.h;h=f23cc93e7d013b71dc33cbe060cd83ce939fbe4a;hp=5fb0353211b2e99d23384afa2924e87ee78acc10;hb=991fabc1956b73a4007859058fb44171000b452e;hpb=8642ac1b4478419630911a51a53fe8ef5fb46647 diff --git a/source/io/file.h b/source/io/file.h index 5fb0353..f23cc93 100644 --- a/source/io/file.h +++ b/source/io/file.h @@ -4,7 +4,6 @@ #include #include #include "buffered.h" -#include "filtered.h" #include "handle.h" #include "seekable.h" @@ -15,12 +14,14 @@ class file_not_found: public std::runtime_error { public: file_not_found(const std::string &fn): std::runtime_error(fn) { } + ~file_not_found() throw() override = default; }; class file_already_exists: public std::runtime_error { public: file_already_exists(const std::string &fn): std::runtime_error(fn) { } + ~file_already_exists() throw() override = default; }; @@ -50,21 +51,25 @@ public: write access is requested and the file does exist, it is created. Otherwise a missing file is an error. */ File(const std::string &, Mode = M_READ, CreateMode = C_OVERWRITE); - virtual ~File(); +private: + void platform_init(const std::string &, CreateMode); +public: + ~File() override; - void set_block(bool); + void set_block(bool) override; + void set_inherit(bool) override; protected: - virtual unsigned do_write(const char *, unsigned); - virtual unsigned do_read(char *, unsigned); + std::size_t do_write(const char *, std::size_t) override; + std::size_t do_read(char *, std::size_t) override; public: - virtual void sync(); + void sync(); - virtual SeekOffset seek(SeekOffset, SeekType); - virtual SeekOffset tell() const; + SeekOffset seek(SeekOffset, SeekType) override; + SeekOffset tell() const override; - virtual const Handle &get_handle(Mode); + const Handle &get_handle(Mode) override; }; inline File::CreateMode operator|(File::CreateMode m, File::CreateMode n) @@ -76,7 +81,34 @@ inline File::CreateMode operator&(File::CreateMode m, File::CreateMode n) inline File::CreateMode operator~(File::CreateMode m) { return File::CreateMode(~static_cast(m)); } -typedef Filtered BufferedFile; + +class BufferedFile: public Seekable +{ +private: + File file; + Buffered buffer; + SeekOffset position; + +public: + BufferedFile(const std::string &, Mode = M_READ, File::CreateMode = File::C_OVERWRITE); + + void set_block(bool) override; + void set_inherit(bool) override; + +protected: + std::size_t do_write(const char *, std::size_t) override; + std::size_t do_read(char *, std::size_t) override; +public: + std::size_t put(char) override; + + bool getline(std::string &) override; + int get() override; + + const Handle &get_handle(Mode) override; + + SeekOffset seek(SeekOffset, SeekType) override; + SeekOffset tell() const override { return position; } +}; } // namespace IO } // namespace Msp