X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fio%2Ffile.h;h=36f37706a8432b35aed12f8772b9bd3958c7a78b;hb=99b9121e2158603372c7313400283b622e6754d8;hp=5fb0353211b2e99d23384afa2924e87ee78acc10;hpb=8642ac1b4478419630911a51a53fe8ef5fb46647;p=libs%2Fcore.git

diff --git a/source/io/file.h b/source/io/file.h
index 5fb0353..36f3770 100644
--- a/source/io/file.h
+++ b/source/io/file.h
@@ -15,12 +15,14 @@ class file_not_found: public std::runtime_error
 {
 public:
 	file_not_found(const std::string &fn): std::runtime_error(fn) { }
+	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) { }
+	virtual ~file_already_exists() throw() = default;
 };
 
 
@@ -50,13 +52,17 @@ 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);
+private:
+	void platform_init(const std::string &, CreateMode);
+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();
@@ -76,7 +82,34 @@ inline File::CreateMode operator&(File::CreateMode m, File::CreateMode n)
 inline File::CreateMode operator~(File::CreateMode m)
 { return File::CreateMode(~static_cast<int>(m)); }
 
-typedef Filtered<File, Buffered> 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