30.11.2010 - initial commit

pifile.cpp

@@ -0,0 +1,57 @@
+#include "pifile.h"
+
+
+bool PIFile::open(const string & path_, Flags<Mode> mode_) {
+	cpath = path_;
+	cmode = mode_;
+	if (cmode[New]) {
+		stream.open(cpath.c_str(), fstream::in | fstream::out | fstream::trunc);
+		stream.close();
+		cmode &= ~New;
+		stream.open(cpath.c_str(), (fstream::openmode)(int)cmode | fstream::binary);
+	} else stream.open(cpath.c_str(), (fstream::openmode)(int)cmode | fstream::binary);
+	return isOpened();
+}
+
+
+string PIFile::readLine() {
+	char * buff = new char[4096];
+	stream.getline(buff, 4096);
+	return string(buff);
+}
+
+
+int PIFile::size() {
+	int s, cp = stream.tellg();
+	stream.seekg(0, fstream::end);
+	s = stream.tellg();
+	stream.seekg(cp);
+	return s;
+}
+
+
+void PIFile::seek(int position) {
+	if (cmode[Read]) stream.seekg(position);
+	if (cmode[Write]) stream.seekp(position);
+}
+
+
+void PIFile::resize(int new_size, char fill_) {
+	int ds = new_size - size();
+	if (ds == 0) return;
+	if (ds > 0) {
+		char * buff = new char[ds];
+		memset(buff, fill_, ds);
+		stream.write(buff, ds);
+		delete buff;
+		return;
+	}
+	cout << "[PIFile] Downsize is not support yet :-(" << endl;
+}
+
+
+int PIFile::pos() {
+	if (cmode[Read]) return stream.tellg();
+	if (cmode[Write]) return stream.tellp();
+	return -1;
+}