X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fio%2Ffile.h;h=f23cc93e7d013b71dc33cbe060cd83ce939fbe4a;hp=90a1041ccda6520db5386b724f43fe6e936bfe85;hb=HEAD;hpb=933356a36607f5d4480172e285071d4d7dfc5a7b diff --git a/source/io/file.h b/source/io/file.h index 90a1041..2af56ae 100644 --- a/source/io/file.h +++ b/source/io/file.h @@ -3,26 +3,24 @@ #include #include +#include #include "buffered.h" -#include "filtered.h" #include "handle.h" #include "seekable.h" namespace Msp { namespace IO { -class file_not_found: public std::runtime_error +class MSPCORE_API file_not_found: public std::runtime_error { public: file_not_found(const std::string &fn): std::runtime_error(fn) { } - ~file_not_found() throw() { } }; -class file_already_exists: public std::runtime_error +class MSPCORE_API file_already_exists: public std::runtime_error { public: file_already_exists(const std::string &fn): std::runtime_error(fn) { } - ~file_already_exists() throw() { } }; @@ -31,7 +29,7 @@ A class for reading and writing files. Non-blocking mode is not supported on Win32. */ -class File: public Seekable +class MSPCORE_API File: public Seekable { public: enum CreateMode @@ -52,21 +50,25 @@ 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) @@ -78,7 +80,34 @@ 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 MSPCORE_API 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