X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fio%2Ffile.h;h=4f8e5ddf8612b559f82ce5bfc7c2623ba5860cc9;hp=57dc6831449416a0a0e9af75626ac1702757c8ce;hb=fd074aa05df58fd60d490bb4e367aa2c82338741;hpb=31e72f50fbb34d86877e5110401c49ce3fefd4bb

diff --git a/source/io/file.h b/source/io/file.h
index 57dc683..4f8e5dd 100644
--- a/source/io/file.h
+++ b/source/io/file.h
@@ -17,6 +17,12 @@ public:
 	file_not_found(const std::string &fn): std::runtime_error(fn) { }
 };
 
+class file_already_exists: public std::runtime_error
+{
+public:
+	file_already_exists(const std::string &fn): std::runtime_error(fn) { }
+};
+
 
 /**
 A class for reading and writing files.
@@ -30,7 +36,8 @@ public:
 	{
 		C_NONE = 0,
 		C_CREATE = 1,
-		C_TRUNCATE = 2
+		C_TRUNCATE = 2,
+		C_EXCLUSIVE = 4
 	};
 
 private:
@@ -43,10 +50,6 @@ public:
 	File(const std::string &, Mode = M_READ, CreateMode = CreateMode(C_CREATE+C_TRUNCATE));
 	virtual ~File();
 
-	/** Closes the file.  Any attempt to access the file after this will cause
-	an exception to be thrown. */
-	void close();
-
 	void set_block(bool);
 
 protected:
@@ -56,13 +59,10 @@ protected:
 public:
 	virtual void sync();
 
-	virtual unsigned seek(int, SeekType);
-	virtual unsigned tell() const;
-
-	virtual const Handle &get_event_handle() { return handle; }
+	virtual SeekOffset seek(SeekOffset, SeekType);
+	virtual SeekOffset tell() const;
 
-private:
-	void check_access(Mode) const;
+	virtual const Handle &get_handle(Mode);
 };
 
 inline File::CreateMode operator|(File::CreateMode m, File::CreateMode n)