| /* |
| * 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. |
| */ |
| |
| #include "suggest/policyimpl/dictionary/dictionary_structure_with_buffer_policy_factory.h" |
| |
| #include <stdint.h> |
| |
| #include "defines.h" |
| #include "suggest/policyimpl/dictionary/dynamic_patricia_trie_policy.h" |
| #include "suggest/policyimpl/dictionary/patricia_trie_policy.h" |
| #include "suggest/policyimpl/dictionary/utils/format_utils.h" |
| #include "suggest/policyimpl/dictionary/utils/mmapped_buffer.h" |
| |
| namespace latinime { |
| |
| /* static */ DictionaryStructureWithBufferPolicy *DictionaryStructureWithBufferPolicyFactory |
| ::newDictionaryStructureWithBufferPolicy(const char *const path, const int bufOffset, |
| const int size, const bool isUpdatable) { |
| // Allocated buffer in MmapedBuffer::openBuffer() will be freed in the destructor of |
| // impl classes of DictionaryStructureWithBufferPolicy. |
| const MmappedBuffer *const mmapedBuffer = MmappedBuffer::openBuffer(path, bufOffset, size, |
| isUpdatable); |
| if (!mmapedBuffer) { |
| return 0; |
| } |
| switch (FormatUtils::detectFormatVersion(mmapedBuffer->getBuffer(), |
| mmapedBuffer->getBufferSize())) { |
| case FormatUtils::VERSION_2: |
| return new PatriciaTriePolicy(mmapedBuffer); |
| case FormatUtils::VERSION_3: |
| return new DynamicPatriciaTriePolicy(mmapedBuffer); |
| default: |
| AKLOGE("DICT: dictionary format is unknown, bad magic number"); |
| delete mmapedBuffer; |
| ASSERT(false); |
| return 0; |
| } |
| } |
| |
| } // namespace latinime |