3 files changed, 50 insertions, 0 deletions

diff --git a/src/libpinyin.ver b/src/libpinyin.ver
index c6b29a6..41bf6ab 100644
--- a/src/libpinyin.ver
+++ b/src/libpinyin.ver
@@ -72,6 +72,8 @@ LIBPINYIN {
         pinyin_get_double_pinyin_auxiliary_text;
         pinyin_get_chewing_auxiliary_text;
         pinyin_remember_user_input;
+        pinyin_is_user_candidate;
+        pinyin_remove_user_candidate;
 
     local:
 	*;
diff --git a/src/pinyin.cpp b/src/pinyin.cpp
index 26653e8..fcb82ac 100644
--- a/src/pinyin.cpp
+++ b/src/pinyin.cpp
@@ -3290,6 +3290,29 @@ bool pinyin_remember_user_input(pinyin_instance_t * instance,
     return result;
 }
 
+bool pinyin_is_user_candidate(pinyin_instance_t * instance,
+                              lookup_candidate_t * candidate) {
+    if (NORMAL_CANDIDATE != candidate->m_candidate_type)
+        return false;
+
+    phrase_token_t token = candidate->m_token;
+    guint8 index = PHRASE_INDEX_LIBRARY_INDEX(token);
+    if (USER_DICTIONARY != index)
+        return false;
+
+    return true;
+}
+
+bool pinyin_remove_user_candidate(pinyin_instance_t * instance,
+                                  lookup_candidate_t * candidate) {
+    assert(NORMAL_CANDIDATE == candidate->m_candidate_type);
+
+    phrase_token_t token = candidate->m_token;
+    guint8 index = PHRASE_INDEX_LIBRARY_INDEX(token);
+    assert(USER_DICTIONARY == index);
+}
+
+
 /**
  *  Note: prefix is the text before the pre-edit string.
  */
diff --git a/src/pinyin.h b/src/pinyin.h
index 9599aab..d29011b 100644
--- a/src/pinyin.h
+++ b/src/pinyin.h
@@ -1008,6 +1008,31 @@ bool pinyin_remember_user_input(pinyin_instance_t * instance,
                                 const char * phrase,
                                 gint count);
 
+/**
+ * pinyin_is_user_candidate:
+ * @instance: the pinyin instance.
+ * @candidate: the lookup candidate.
+ * @returns: whether the candidate is user candidate.
+ *
+ * Check whether the candidate is user candidate.
+ *
+ */
+bool pinyin_is_user_candidate(pinyin_instance_t * instance,
+                              lookup_candidate_t * candidate);
+
+/**
+ * pinyin_remove_user_candidate:
+ * @instance: the pinyin instance.
+ * @candidate: the lookup candidate.
+ * @returns: whether the remove operation is successful.
+ *
+ * Remove the user candidate from dictionary.
+ *
+ */
+bool pinyin_remove_user_candidate(pinyin_instance_t * instance,
+                                  lookup_candidate_t * candidate);
+
+
 
 /* for compatibility. */
 typedef ChewingKey PinyinKey;