X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Fio%2Ffile.h;h=292897b5251a1710bc7802a9a9ae1c76914d7f55;hb=f832af5e832a5be2804e5613a73e7cc75428956c;hp=d106561e5f599cc31367be5f3de9140a4d349cbf;hpb=609c9a508cfdc7b42c46c4f21d17639204165a00;p=libs%2Fcore.git diff --git a/source/io/file.h b/source/io/file.h index d106561..292897b 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" @@ -15,14 +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() { } + virtual ~file_not_found() throw() = 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() { } + virtual ~file_already_exists() throw() = default; }; @@ -57,11 +56,12 @@ private: public: virtual ~File(); - void set_block(bool); + virtual void set_block(bool); + virtual void set_inherit(bool); protected: - virtual unsigned do_write(const char *, unsigned); - virtual unsigned do_read(char *, unsigned); + virtual std::size_t do_write(const char *, std::size_t); + virtual std::size_t do_read(char *, std::size_t); public: virtual void sync(); @@ -81,7 +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); + + virtual void set_block(bool); + virtual void set_inherit(bool); + +protected: + virtual std::size_t do_write(const char *, std::size_t); + virtual std::size_t do_read(char *, std::size_t); +public: + virtual std::size_t put(char); + + virtual bool getline(std::string &); + virtual int get(); + + virtual const Handle &get_handle(Mode); + + virtual SeekOffset seek(SeekOffset, SeekType); + virtual SeekOffset tell() const { return position; } +}; } // namespace IO } // namespace Msp