X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fio%2Ffile.cpp;h=666b1edc784b9fc9d0bc76cf29d77b82ff80b826;hp=90694324aa1d6e52f8c59b9f649135725926e031;hb=7b81490ae4ed6c7c8566f889d146677827f5d4a5;hpb=0f5501ad79950e9658fb672ac6b97a608e3a2dd9

diff --git a/source/io/file.cpp b/source/io/file.cpp
index 9069432..666b1ed 100644
--- a/source/io/file.cpp
+++ b/source/io/file.cpp
@@ -81,5 +81,66 @@ const Handle &File::get_handle(Mode m)
 	return handle;
 }
 
+
+BufferedFile::BufferedFile(const string &fn, Mode m, File::CreateMode cm):
+	file(fn, m, cm),
+	buffer(file),
+	position(0)
+{
+	mode = m;
+	file.signal_end_of_file.connect(sigc::mem_fun(this, &BufferedFile::set_eof));
+}
+
+unsigned BufferedFile::do_write(const char *buf, unsigned size)
+{
+	unsigned ret = buffer.write(buf, size);
+	position += ret;
+	return ret;
+}
+
+unsigned BufferedFile::do_read(char *buf, unsigned size)
+{
+	unsigned ret = buffer.read(buf, size);
+	position += ret;
+	return ret;
+}
+
+unsigned BufferedFile::put(char c)
+{
+	unsigned ret = buffer.put(c);
+	position += ret;
+	return ret;
+}
+
+bool BufferedFile::getline(string &line)
+{
+	bool ret = buffer.getline(line);
+	if(ret)
+		position += line.size();
+	return ret;
+}
+
+int BufferedFile::get()
+{
+	int ret = buffer.get();
+	if(ret>=0)
+		++position;
+	return ret;
+}
+
+SeekOffset BufferedFile::seek(SeekOffset offset, SeekType type)
+{
+	if(type==S_CUR)
+	{
+		offset += position;
+		type = S_BEG;
+	}
+
+	signal_flush_required.emit();
+	position = file.seek(offset, type);
+	eof_flag = false;
+	return position;
+}
+
 } // namespace IO
 } // namespace Msp