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Diffstat (limited to 'src')
| -rw-r--r-- | src/storage/pinyin_phrase3.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/storage/pinyin_phrase3.h b/src/storage/pinyin_phrase3.h index fb6c769..051e24d 100644 --- a/src/storage/pinyin_phrase3.h +++ b/src/storage/pinyin_phrase3.h @@ -60,6 +60,47 @@ inline int pinyin_exact_compare2(const ChewingKey * key_lhs, return 0; } +/* compare pinyins with chewing internal representations, + fuzzy pinyin is not handled here. */ +inline int pinyin_compare_initial3(ChewingInitial lhs, + ChewingInitial rhs) { + return (lhs - rhs); +} + +inline int pinyin_compare_middle_and_final3(ChewingMiddle middle_lhs, + ChewingMiddle middle_rhs, + ChewingFinal final_lhs, + ChewingFinal final_rhs) { + if (middle_lhs == middle_rhs && final_lhs == final_rhs) + return 0; + + /* handle in-complete pinyin here. */ + if (middle_lhs == CHEWING_ZERO_MIDDLE && + final_lhs == CHEWING_ZERO_FINAL) + return 0; + if (middle_rhs == CHEWING_ZERO_MIDDLE && + final_rhs == CHEWING_ZERO_FINAL) + return 0; + + /* compare chewing middle first. */ + int middle_diff = middle_lhs - middle_rhs; + if (middle_diff) + return middle_diff; + + return (final_lhs - final_rhs); +} + +inline int pinyin_compare_tone3(ChewingTone lhs, + ChewingTone rhs) { + if (lhs == rhs) + return 0; + if (lhs == CHEWING_ZERO_TONE) + return 0; + if (rhs == CHEWING_ZERO_TONE) + return 0; + return (lhs - rhs); +} + template<size_t phrase_length> struct PinyinIndexItem2{ |