Param ann

Adding possibility to set custom name (other than "mwe" and "mwe_base") for annotation

src/libmwereader/mwereader.cpp

@@ -37,6 +37,7 @@ bool MWEReader::registered = TokenReader::register_path_reader<MWEReader>(
 		: TokenReader(tagset), inner_filename_(filename)
 	{
 		mwes_counter=0;
+		chan_ann_name = "mwe";
 	}
 
 	MWEReader::MWEReader(const Tagset &tagset, const std::string &filename, 
@@ -45,6 +46,7 @@ bool MWEReader::registered = TokenReader::register_path_reader<MWEReader>(
 	{
 		mwes_counter=0;
 		inner_reader_ = reader;
+		chan_ann_name = "mwe";
 	}
 	
 	void MWEReader::setFile(const std::string &filename)
@@ -58,6 +60,16 @@ bool MWEReader::registered = TokenReader::register_path_reader<MWEReader>(
 		// TODO implementataion
 	}
 
+	void MWEReader::set_annotation_channel(const std::string & chan_name)
+	{
+		chan_ann_name = chan_name;
+	}
+
+	std::string MWEReader::get_annotation_channel_base_name()
+	{
+		return chan_ann_name + "_base";
+	}
+
 	Token* MWEReader::get_next_token()
 	{
 		if(currentSentence->empty())
@@ -104,11 +116,11 @@ bool MWEReader::registered = TokenReader::register_path_reader<MWEReader>(
 		
 		// create 'mwe' channel if not exists
 		ChanMapT chan_map = ann_sentence->all_channels();
-		if (chan_map.find("mwe") == chan_map.end()) {
-			ann_sentence->create_channel("mwe");
+		if (chan_map.find(chan_ann_name) == chan_map.end()) {
+			ann_sentence->create_channel(chan_ann_name);
 		}
 		
-		AnnotationChannel& channel = ann_sentence->get_channel("mwe");
+		AnnotationChannel& channel = ann_sentence->get_channel(chan_ann_name);
 
 		// if channel exists, we leave annotation numbers
 		int head_ann_num = channel.get_segment_at(head);
@@ -123,7 +135,7 @@ bool MWEReader::registered = TokenReader::register_path_reader<MWEReader>(
 			tokens[head]->create_metadata();
 		}
 		TokenMetaDataPtr md = tokens[head]->get_metadata();
-		md->set_attribute("mwe_base", new_base);
+		md->set_attribute(get_annotation_channel_base_name(), new_base);
 
 		// annotate mwe elements with annotation_number of head
 		std::set<int>::iterator pos_it;