Added CorpusReader

libcorpus2_whole/io/corpusreader.cpp

+#include <libcorpus2_whole/io/corpusreader.h>
+#include <libcorpus2_whole/io/poliqarpcorpusreader.h>
+#include <libcorpus2_whole/io/documentcorpusreader.h>
+
+namespace Corpus2 {
+namespace whole{
+
+CorpusReader::CorpusReader(const Tagset& tagset, const std::string& corpus_type)
+	: corpus_type_(corpus_type), tagset_(tagset)
+{
+	//
+}
+
+boost::shared_ptr<Corpus> CorpusReader::read(const std::string& corpus_file_path)
+{
+	boost::shared_ptr<CorpusReaderI> reader = this->get_corpus_reader_by_type();
+	return reader->read(corpus_file_path);
+}
+
+//
+boost::shared_ptr<CorpusReaderI> CorpusReader::get_corpus_reader_by_type()
+{
+	if (corpus_type_ == "poliqarp") {
+		return boost::shared_ptr<PoliqarpCorpusReader>(
+				new PoliqarpCorpusReader(tagset_));
+	} else if (corpus_type_ == "document") {
+		return boost::shared_ptr<DocumentCorpusReader>(
+				new DocumentCorpusReader(tagset_));
+	}
+	throw Corpus2Error(corpus_type_ + " is unknown reader type!");
+}
+
+} // whole ns
+} // Corpus2 ns

libcorpus2_whole/io/corpusreader.h

+#ifndef LIBCORPUS2_WHOLE_CORPUSREADER_H
+#define LIBCORPUS2_WHOLE_CORPUSREADER_H
+
+#include <string>
+#include <libcorpus2_whole/corpus.h>
+#include <libcorpus2_whole/io/reader_i.h>
+
+namespace Corpus2 {
+namespace whole {
+
+class CorpusReader
+{
+public:
+	/**
+	 * @arg corpus_type may be:
+	 *  - document (contains relations)
+	 *  - poliqarp
+	 */
+	CorpusReader(const Tagset& tagset, const std::string& corpus_type);
+
+	/**
+	 * Reads corpus from given path
+	 * @arg corpus_file Path to file contains paths to corpus files.
+	 *      Depend on corpus type, each line in this file should contains only
+	 *      path to one document from corpus or path to (in particular DocReader)
+	 *      relations and annotatons (in one line, first is path to annotations
+	 *      and second are relations -- these paths, should be separated by semicolon)
+	 * @return Readed corpus
+	 */
+	boost::shared_ptr<Corpus> read(const std::string& corpus_file);
+
+private:
+	/// Returns reader based on corpus type (poliqarp/document)
+	boost::shared_ptr<CorpusReaderI> get_corpus_reader_by_type();
+
+private:
+	/// Type of corpus, sets only once in constructor
+	const std::string& corpus_type_;
+
+	/// Tagset to use, sets only onece in constructor
+	const Tagset& tagset_;
+};
+
+} // whole ns
+} // Corpus2 ns
+
+#endif // LIBCORPUS2_WHOLE_CORPUSREADER_H