Add spellcheck and word suggestion to the prediction service

third_party/prediction/suggest/policyimpl/dictionary/utils/dict_file_writing_utils.h

+/*
+ * Copyright (C) 2013, 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.
+ */
+
+#ifndef LATINIME_DICT_FILE_WRITING_UTILS_H
+#define LATINIME_DICT_FILE_WRITING_UTILS_H
+
+#include <cstdio>
+
+#include "third_party/prediction/defines.h"
+#include "third_party/prediction/suggest/policyimpl/dictionary/header/header_read_write_utils.h"
+#include "third_party/prediction/suggest/policyimpl/dictionary/utils/format_utils.h"
+
+namespace latinime {
+
+class BufferWithExtendableBuffer;
+
+class DictFileWritingUtils {
+ public:
+  static const char* const TEMP_FILE_SUFFIX_FOR_WRITING_DICT_FILE;
+
+  static bool createEmptyDictFile(
+      const char* const filePath,
+      const int dictVersion,
+      const std::vector<int> localeAsCodePointVector,
+      const DictionaryHeaderStructurePolicy::AttributeMap* const attributeMap);
+
+  static bool flushBufferToFileWithSuffix(
+      const char* const basePath,
+      const char* const suffix,
+      const BufferWithExtendableBuffer* const buffer);
+
+  static bool writeBufferToFileTail(
+      FILE* const file,
+      const BufferWithExtendableBuffer* const buffer);
+
+ private:
+  DISALLOW_IMPLICIT_CONSTRUCTORS(DictFileWritingUtils);
+
+  static const int SIZE_OF_BUFFER_SIZE_FIELD;
+
+  static bool createEmptyV401DictFile(
+      const char* const filePath,
+      const std::vector<int> localeAsCodePointVector,
+      const DictionaryHeaderStructurePolicy::AttributeMap* const attributeMap,
+      const FormatUtils::FORMAT_VERSION formatVersion);
+
+  template <class DictConstants, class DictBuffers, class DictBuffersPtr>
+  static bool createEmptyV4DictFile(
+      const char* const filePath,
+      const std::vector<int> localeAsCodePointVector,
+      const DictionaryHeaderStructurePolicy::AttributeMap* const attributeMap,
+      const FormatUtils::FORMAT_VERSION formatVersion);
+
+  static bool flushBufferToFile(const char* const filePath,
+                                const BufferWithExtendableBuffer* const buffer);
+
+  static bool writeBufferToFile(FILE* const file,
+                                const BufferWithExtendableBuffer* const buffer);
+};
+}  // namespace latinime
+#endif /* LATINIME_DICT_FILE_WRITING_UTILS_H */