From 012308bb33c81978617d91aef7352c2e5dd966a4 Mon Sep 17 00:00:00 2001
From: Peng Wu <alexepico@gmail.com>
Date: Fri, 10 Feb 2017 14:15:12 +0800
Subject: write pinyin_get_candidate_nbest_index function

---
 src/libpinyin.ver |  1 +
 src/pinyin.cpp    | 37 +++++++++++++++++++++++++++++++++++++
 src/pinyin.h      | 14 ++++++++++++++
 3 files changed, 52 insertions(+)

diff --git a/src/libpinyin.ver b/src/libpinyin.ver
index d59c0e9..153c762 100644
--- a/src/libpinyin.ver
+++ b/src/libpinyin.ver
@@ -57,6 +57,7 @@ LIBPINYIN {
         pinyin_get_candidate;
         pinyin_get_candidate_type;
         pinyin_get_candidate_string;
+        pinyin_get_candidate_nbest_index;
         pinyin_get_pinyin_key;
         pinyin_get_pinyin_key_rest;
         pinyin_get_pinyin_key_rest_positions;
diff --git a/src/pinyin.cpp b/src/pinyin.cpp
index cea16bd..62bb9c3 100644
--- a/src/pinyin.cpp
+++ b/src/pinyin.cpp
@@ -2266,6 +2266,14 @@ bool pinyin_get_candidate_string(pinyin_instance_t * instance,
     return true;
 }
 
+bool pinyin_get_candidate_nbest_index(pinyin_instance_t * instance,
+                                      lookup_candidate_t * candidate,
+                                      guint8 * index) {
+    assert(NBEST_MATCH_CANDIDATE == candidate->m_candidate_type);
+    *index = candidate->m_nbest_index;
+    return true;
+}
+
 #if 0
 bool pinyin_get_n_pinyin(pinyin_instance_t * instance,
                          guint * num) {
@@ -2620,6 +2628,35 @@ bool pinyin_get_character_offset(pinyin_instance_t * instance,
     return result;
 }
 
+#if 0
+bool pinyin_get_character_offset(pinyin_instance_t * instance,
+                                 size_t offset,
+                                 size_t * plength) {
+    pinyin_context_t * context = instance->m_context;
+    FacadePhraseIndex * phrase_index = context->m_phrase_index;
+
+    PhoneticKeyMatrix & matrix = instance->m_matrix;
+    MatchResults results = instance->m_match_results;
+    _check_offset(matrix, offset);
+
+    size_t length = 0;
+    PhraseItem item;
+    for (size_t i = 0; i < offset; ++i) {
+        phrase_token_t token = g_array_index(results, phrase_token_t, i);
+        if (null_token == token)
+            continue;
+
+        int retval = phrase_index->get_phrase_item(token, item);
+        assert(ERROR_OK == retval);
+        guint8 len = item.get_phrase_length();
+        length += len;
+    }
+
+    *plength = length;
+    return true;
+}
+#endif
+
 bool pinyin_get_n_phrase(pinyin_instance_t * instance,
                          guint * num) {
     *num = instance->m_phrase_result->len;
diff --git a/src/pinyin.h b/src/pinyin.h
index 07ca2fc..7ebb82f 100644
--- a/src/pinyin.h
+++ b/src/pinyin.h
@@ -789,6 +789,20 @@ bool pinyin_get_candidate_string(pinyin_instance_t * instance,
                                  lookup_candidate_t * candidate,
                                  const gchar ** utf8_str);
 
+/**
+ * pinyin_get_candidate_nbest_index:
+ * @instance: the pinyin instance.
+ * @candidate: the lookup candidate.
+ * @index: the index of the nbest result.
+ * @returns: whether the get operation is successful.
+ *
+ * Get the nbest index of the candidate.
+ *
+ */
+bool pinyin_get_candidate_nbest_index(pinyin_instance_t * instance,
+                                      lookup_candidate_t * candidate,
+                                      guint8 * index);
+
 /**
  * pinyin_get_pinyin_key:
  * @instance: the pinyin instance.
-- 
cgit