tagging: token as tag projection

libcorpus2/tagging.cpp

@@ -15,9 +15,10 @@ or FITNESS FOR A PARTICULAR PURPOSE.
 */
 
 #include <libcorpus2/tagging.h>
-#include <libcorpus2/tagsetmanager.h>
+#include <libcorpus2/lexeme.h>
 
-// #include <libpwrutils/foreach.h>
+
+#include <libpwrutils/foreach.h>
 
 namespace Corpus2 {
 
@@ -40,5 +41,16 @@ Tag get_attribute_mask(const Tagset& tagset, std::string attr_name)
 	}
 }
 
+Tag mask_token(const Token& token, const Tag& mask, bool disamb_only)
+{
+	Tag t;
+	foreach (const Corpus2::Lexeme& lexeme, token.lexemes()) {
+		if(lexeme.is_disamb() || !disamb_only) {
+			t.combine_with(lexeme.tag().get_masked(mask));
+		}
+	}
+	return t;
+}
+
 
 } /* end ns Corpus2 */

libcorpus2/tagging.h

@@ -18,6 +18,7 @@ or FITNESS FOR A PARTICULAR PURPOSE.
 #define LIBCORPUS2_TAGGING_H
 
 #include <libcorpus2/tag.h>
+#include <libcorpus2/token.h>
 #include <libcorpus2/tagset.h>
 
 namespace Corpus2 {
@@ -35,6 +36,12 @@ namespace Corpus2 {
 Tag get_attribute_mask(const Tagset& tagset,
 					   const std::string attr_name);
 
+/**
+  * Projects the token onto the mask. Depending on disamb_only, will consider
+  * only disamb or all lexemes.
+  */
+Tag mask_token(const Token& token, const Tag& mask, bool disamb_only);
+
 } /* end ns Corpus2 */
 
 #endif // LIBCORPUS2_TAGGING_H

swig/tagging.i

@@ -10,11 +10,15 @@
 
 %include "tag.i"
 %include "tagset.i"
+%include "token.i"
 
 namespace Corpus2 {
 
 Tag get_attribute_mask(const Tagset& tagset,
-					   const std::string attr_name);
+                       const std::string attr_name);
+
+Tag mask_token(const Token& token, const Tag& mask, bool disamb_only);
+
 }
 
 using namespace std;