re-factor choose candidate

4 files changed, 15 insertions, 15 deletions

diff --git a/src/lookup/pinyin_lookup.cpp b/src/lookup/pinyin_lookup.cpp
index 4e67c49..2e6408d 100644
--- a/src/lookup/pinyin_lookup.cpp
+++ b/src/lookup/pinyin_lookup.cpp
@@ -494,13 +494,13 @@ bool PinyinLookup::train_result(PinyinKeyVector keys, CandidateConstraints const
     return true;
 }
 
-bool PinyinLookup::add_constraint(CandidateConstraints constraints, size_t index, phrase_token_t token){
+guint8 PinyinLookup::add_constraint(CandidateConstraints constraints, size_t index, phrase_token_t token){
     if ( m_phrase_index->get_phrase_item(token, m_cache_phrase_item) )
-	return false;
+	return 0;
 
     size_t phrase_length = m_cache_phrase_item.get_phrase_length();
     if ( index + phrase_length > constraints->len )
-	return false;
+	return 0;
 
     for ( size_t i = index; i < index + phrase_length ; ++i ){
 	clear_constraint(constraints, i);
@@ -515,7 +515,7 @@ bool PinyinLookup::add_constraint(CandidateConstraints constraints, size_t index
 	constraint->m_type = CONSTRAINT_NOSEARCH;
 	constraint->m_constraint_step = index;
     }
-	return true;
+    return phrase_length;
 }
 
 bool PinyinLookup::clear_constraint(CandidateConstraints constraints, size_t index){
diff --git a/src/lookup/pinyin_lookup.h b/src/lookup/pinyin_lookup.h
index 47cc4a9..7bc206d 100644
--- a/src/lookup/pinyin_lookup.h
+++ b/src/lookup/pinyin_lookup.h
@@ -134,7 +134,7 @@ public:
     }
 
     /* user interactions */
-    bool add_constraint(CandidateConstraints constraints, size_t index, phrase_token_t token);
+    guint8 add_constraint(CandidateConstraints constraints, size_t index, phrase_token_t token);
 
     bool clear_constraint(CandidateConstraints constraints, size_t index);
 
diff --git a/src/pinyin.cpp b/src/pinyin.cpp
index 36969af..ee05a0a 100644
--- a/src/pinyin.cpp
+++ b/src/pinyin.cpp
@@ -466,18 +466,18 @@ bool pinyin_get_candidates(pinyin_instance_t * instance,
     return true;
 }
 
-bool pinyin_choose_candidate(pinyin_instance_t * instance,
-                             size_t offset,
-                             phrase_token_t token){
+guint8 pinyin_choose_candidate(pinyin_instance_t * instance,
+                               size_t offset,
+                               phrase_token_t token){
     pinyin_context_t * & context = instance->m_context;
 
-    bool retval = context->m_pinyin_lookup->add_constraint
+    guint8 len = context->m_pinyin_lookup->add_constraint
         (instance->m_constraints, offset, token);
 
-    retval = context->m_pinyin_lookup->validate_constraint
-        (instance->m_constraints, instance->m_pinyin_keys) && retval;
+    bool retval = context->m_pinyin_lookup->validate_constraint
+        (instance->m_constraints, instance->m_pinyin_keys) && len;
 
-    return retval;
+    return len;
 }
 
 bool pinyin_clear_constraint(pinyin_instance_t * instance,
diff --git a/src/pinyin.h b/src/pinyin.h
index 8b34a52..b06e578 100644
--- a/src/pinyin.h
+++ b/src/pinyin.h
@@ -86,9 +86,9 @@ bool pinyin_get_candidates(pinyin_instance_t * instance,
                            size_t offset,
                            TokenVector candidates);
 
-bool pinyin_choose_candidate(pinyin_instance_t * instance,
-                             size_t offset,
-                             phrase_token_t token);
+guint8 pinyin_choose_candidate(pinyin_instance_t * instance,
+                               size_t offset,
+                               phrase_token_t token);
 
 bool pinyin_clear_constraint(pinyin_instance_t * instance,
                              size_t offset);