Add spellcheck and word suggestion to the prediction service

third_party/prediction/suggest/core/result/suggestion_results.cpp

+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "third_party/prediction/suggest/core/result/suggestion_results.h"
+
+namespace latinime {
+
+void SuggestionResults::addPrediction(const int* const codePoints,
+                                      const int codePointCount,
+                                      const int probability) {
+  if (probability == NOT_A_PROBABILITY) {
+    // Invalid word.
+    return;
+  }
+  addSuggestion(codePoints, codePointCount, probability,
+                Dictionary::KIND_PREDICTION, NOT_AN_INDEX,
+                NOT_A_FIRST_WORD_CONFIDENCE);
+}
+
+void SuggestionResults::addSuggestion(
+    const int* const codePoints,
+    const int codePointCount,
+    const int score,
+    const int type,
+    const int indexToPartialCommit,
+    const int autocimmitFirstWordConfindence) {
+  if (codePointCount <= 0 || codePointCount > MAX_WORD_LENGTH) {
+    // Invalid word.
+    AKLOGE(
+        "Invalid word is added to the suggestion results. codePointCount: %d",
+        codePointCount);
+    return;
+  }
+  if (getSuggestionCount() >= mMaxSuggestionCount) {
+    const SuggestedWord& mWorstSuggestion = mSuggestedWords.top();
+    if (score > mWorstSuggestion.getScore() ||
+        (score == mWorstSuggestion.getScore() &&
+         codePointCount < mWorstSuggestion.getCodePointCount())) {
+      mSuggestedWords.pop();
+    } else {
+      return;
+    }
+  }
+  mSuggestedWords.push(SuggestedWord(codePoints, codePointCount, score, type,
+                                     indexToPartialCommit,
+                                     autocimmitFirstWordConfindence));
+}
+
+void SuggestionResults::getSortedScores(int* const outScores) const {
+  auto copyOfSuggestedWords = mSuggestedWords;
+  while (!copyOfSuggestedWords.empty()) {
+    const SuggestedWord& suggestedWord = copyOfSuggestedWords.top();
+    outScores[copyOfSuggestedWords.size() - 1] = suggestedWord.getScore();
+    copyOfSuggestedWords.pop();
+  }
+}
+
+void SuggestionResults::dumpSuggestions() const {
+  AKLOGE("language weight: %f", mLanguageWeight);
+  std::vector<SuggestedWord> suggestedWords;
+  auto copyOfSuggestedWords = mSuggestedWords;
+  while (!copyOfSuggestedWords.empty()) {
+    suggestedWords.push_back(copyOfSuggestedWords.top());
+    copyOfSuggestedWords.pop();
+  }
+  int index = 0;
+  for (auto it = suggestedWords.rbegin(); it != suggestedWords.rend(); ++it) {
+    DUMP_SUGGESTION(it->getCodePoint(), it->getCodePointCount(), index,
+                    it->getScore());
+    index++;
+  }
+}
+
+}  // namespace latinime