First implementation of RelationReader

libcorpus2/CMakeLists.txt

@@ -66,6 +66,7 @@ SET(libcorpus2_STAT_SRC
 	io/plainwriter.cpp
 	io/premorphwriter.cpp
 	io/reader.cpp
+	io/relreader.cpp
 	io/rft.cpp
 	io/sax.cpp
 	io/statwriter.cpp

libcorpus2/io/relreader.cpp

+/*
+	Copyright (C) 2010 Tomasz Śniatowski, Adam Radziszewski, Paweł Kędzia
+	Part of the libcorpus2 project
+
+	This program is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3 of the License, or (at your option)
+any later version.
+
+	This program is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+or FITNESS FOR A PARTICULAR PURPOSE.
+
+	See the LICENSE and COPYING files for more details.
+*/
+
+#include <libcorpus2/io/relreader.h>
+#include <boost/make_shared.hpp>
+
+namespace Corpus2 {
+RelationReader::RelationReader(const std::string &rela_path)
+	: rela_path_(rela_path)
+{
+	readed_ = false;
+}
+
+void RelationReader::read()
+{
+	// mark that document has been readed
+	readed_ = true;
+}
+
+} /* end ns Corpus2 */

libcorpus2/io/relreader.h

+/*
+	Copyright (C) 2010 Tomasz Śniatowski, Adam Radziszewski, Paweł Kędzia
+	Part of the libcorpus2 project
+
+	This program is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3 of the License, or (at your option)
+any later version.
+
+	This program is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+or FITNESS FOR A PARTICULAR PURPOSE.
+
+	See the LICENSE and COPYING files for more details.
+*/
+
+#ifndef LIBCORPUS2_RELREADER_H
+#define LIBCORPUS2_RELREADER_H
+
+#include <vector>
+#include <boost/shared_ptr.hpp>
+#include <libcorpus2/relation.h>
+
+namespace Corpus2 {
+
+/**
+ * A reader for realtion documents. Note that document is read into memory
+ * before any processing may take place.
+ */
+class RelationReader {
+public:
+	/**
+	 * Reads a document with relations
+	 * @param rela_path  path to file with relations
+	 * TODO! Not implemented yet!
+	 */
+	RelationReader(const std::string &rela_path);
+
+	/**
+	 * Relations accessor. If relations are not readed then read relations
+	 * and returns list of them.
+	 * @return List of readed relations
+	 */
+	const std::vector< boost::shared_ptr<Relation> >& relations() {
+		if (!readed_) {
+			read();
+		}
+
+		return relations_;
+	}
+
+private:
+	void read();
+
+	/// List of the relations in given relation file
+	std::vector< boost::shared_ptr<Relation> > relations_;
+
+	/// Path to file with relations
+	const std::string rela_path_;
+
+	///
+	bool readed_;
+};
+} /* end ns Corpus2 */
+
+#endif // LIBCORPUS2_RELREADER_H