| // Copyright 2010-2015, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| // Provides hash_map, hash_set, and the basic hash functions. |
| // Eventually we'll be switching to unorderd_map and unorderd_set. |
| |
| #ifndef MOZC_BASE_HASH_TABLES_H_ |
| #define MOZC_BASE_HASH_TABLES_H_ |
| |
| |
| #ifdef OS_WIN |
| #include <hash_map> |
| #include <hash_set> |
| #if _MSC_VER < 1310 || _MSC_VER >= 1600 |
| using std::hash_map; |
| using std::hash_set; |
| #else |
| using stdext::hash_map; |
| using stdext::hash_set; |
| #endif |
| #else // not OS_WIN |
| |
| #ifdef MOZC_USE_STLPORT |
| // Use stlport hash_set/hash_map for android. |
| #include <hash_map> |
| #include <hash_set> |
| #else // not MOZC_USE_STLPORT |
| |
| #include <ext/hash_map> |
| #include <ext/hash_set> |
| using __gnu_cxx::hash_map; |
| using __gnu_cxx::hash_set; |
| |
| #include <string> |
| namespace __gnu_cxx { |
| // FNV-1a hash similar to tr1/functional_hash.h. |
| template <> |
| struct hash<std::string> { |
| std::size_t operator()(const std::string& s) const { |
| std::size_t result = 0; |
| for (std::string::const_iterator i = s.begin(); i != s.end(); ++i) { |
| result = (result * 131) + *i; |
| } |
| return result; |
| } |
| }; |
| } |
| #endif // not MOZC_USE_STLPORT |
| #endif // not OS_WIN |
| |
| #endif // MOZC_BASE_HASH_TABLES_H_ |