X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fio%2Ffile.h;h=85075d0cca6e8709db663012ced369dd5f0cda52;hp=4f8e5ddf8612b559f82ce5bfc7c2623ba5860cc9;hb=ea8bf8f588310b0d7fd3297d74907602705bba1d;hpb=fd074aa05df58fd60d490bb4e367aa2c82338741

diff --git a/source/io/file.h b/source/io/file.h
index 4f8e5dd..85075d0 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) { }
+	~file_not_found() throw() { }
 };
 
 class file_already_exists: public std::runtime_error
 {
 public:
 	file_already_exists(const std::string &fn): std::runtime_error(fn) { }
+	~file_already_exists() throw() { }
 };
 
 
@@ -37,7 +39,9 @@ public:
 		C_NONE = 0,
 		C_CREATE = 1,
 		C_TRUNCATE = 2,
-		C_EXCLUSIVE = 4
+		C_OVERWRITE = C_CREATE+C_TRUNCATE,
+		C_EXCLUSIVE = 4,
+		C_NEW = C_CREATE+C_EXCLUSIVE
 	};
 
 private:
@@ -47,10 +51,14 @@ public:
 	/** Creates a new file object and opens it.  If the create flag is set and
 	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 = CreateMode(C_CREATE+C_TRUNCATE));
+	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);
@@ -74,7 +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 unsigned do_write(const char *, unsigned);
+	virtual unsigned do_read(char *, unsigned);
+public:
+	virtual unsigned 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