From 52a8d49e81c14b6f7ed3afb5bdb50b17391995a8 Mon Sep 17 00:00:00 2001
From: graehl <graehl@ec762483-ff6d-05da-a07a-a48fb63a330f>
Date: Thu, 8 Jul 2010 19:21:02 +0000
Subject: actually use -n feature_name in LanguageModel.  FF factory usage
 facility, FF feature ids facility (not used yet)

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@186 ec762483-ff6d-05da-a07a-a48fb63a330f
---
 decoder/ff_factory.cc | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'decoder/ff_factory.cc')

diff --git a/decoder/ff_factory.cc b/decoder/ff_factory.cc
index 1854e0bb..d66cd883 100644
--- a/decoder/ff_factory.cc
+++ b/decoder/ff_factory.cc
@@ -14,6 +14,13 @@ void FFRegistry::DisplayList() const {
   }
 }
 
+string FFRegistry::usage(string const& ffname,bool params,bool verbose) const {
+  map<string, shared_ptr<FFFactoryBase> >::const_iterator it = reg_.find(ffname);
+  return it == reg_.end()
+    ? "Unknown feature " + ffname
+    : it->second->usage(params,verbose);
+}
+
 shared_ptr<FeatureFunction> FFRegistry::Create(const string& ffname, const string& param) const {
   map<string, shared_ptr<FFFactoryBase> >::const_iterator it = reg_.find(ffname);
   shared_ptr<FeatureFunction> res;
@@ -33,3 +40,8 @@ void FFRegistry::Register(const string& ffname, FFFactoryBase* factory) {
   reg_[ffname].reset(factory);
 }
 
+
+void FFRegistry::Register(FFFactoryBase* factory)
+{
+  Register(factory->usage(false,false),factory);
+}
-- 
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