343 lines
11 KiB
C++
343 lines
11 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef LATINIME_DEFINES_H
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#define LATINIME_DEFINES_H
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#include <cstdint>
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#ifdef __GNUC__
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#define AK_FORCE_INLINE __attribute__((always_inline)) __inline__
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#else // __GNUC__
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#define AK_FORCE_INLINE inline
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#endif // __GNUC__
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#if defined(FLAG_DBG)
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#undef AK_FORCE_INLINE
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#define AK_FORCE_INLINE inline
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#endif // defined(FLAG_DBG)
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// Must be equal to Constants.Dictionary.MAX_WORD_LENGTH in Java
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#define MAX_WORD_LENGTH 48
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// Must be equal to BinaryDictionary.MAX_RESULTS in Java
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#define MAX_RESULTS 18
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// Must be equal to ProximityInfo.MAX_PROXIMITY_CHARS_SIZE in Java
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#define MAX_PROXIMITY_CHARS_SIZE 16
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#define ADDITIONAL_PROXIMITY_CHAR_DELIMITER_CODE 2
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// TODO: Use size_t instead of int.
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// Disclaimer: You will see a compile error if you use this macro against a variable-length array.
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// Sorry for the inconvenience. It isn't supported.
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template <typename T, int N>
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char (&ArraySizeHelper(T (&array)[N]))[N];
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#define NELEMS(x) (sizeof(ArraySizeHelper(x)))
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AK_FORCE_INLINE static int intArrayToCharArray(const int *const source, const int sourceSize,
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char *dest, const int destSize) {
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// We want to always terminate with a 0 char, so stop one short of the length to make
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// sure there is room.
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const int destLimit = destSize - 1;
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int si = 0;
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int di = 0;
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while (si < sourceSize && di < destLimit && 0 != source[si]) {
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const uint32_t codePoint = static_cast<uint32_t>(source[si++]);
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if (codePoint < 0x7F) { // One byte
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dest[di++] = codePoint;
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} else if (codePoint < 0x7FF) { // Two bytes
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if (di + 1 >= destLimit) break;
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dest[di++] = 0xC0 + (codePoint >> 6);
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dest[di++] = 0x80 + (codePoint & 0x3F);
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} else if (codePoint < 0xFFFF) { // Three bytes
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if (di + 2 >= destLimit) break;
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dest[di++] = 0xE0 + (codePoint >> 12);
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dest[di++] = 0x80 + ((codePoint >> 6) & 0x3F);
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dest[di++] = 0x80 + (codePoint & 0x3F);
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} else if (codePoint <= 0x1FFFFF) { // Four bytes
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if (di + 3 >= destLimit) break;
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dest[di++] = 0xF0 + (codePoint >> 18);
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dest[di++] = 0x80 + ((codePoint >> 12) & 0x3F);
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dest[di++] = 0x80 + ((codePoint >> 6) & 0x3F);
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dest[di++] = 0x80 + (codePoint & 0x3F);
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} else if (codePoint <= 0x3FFFFFF) { // Five bytes
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if (di + 4 >= destLimit) break;
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dest[di++] = 0xF8 + (codePoint >> 24);
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dest[di++] = 0x80 + ((codePoint >> 18) & 0x3F);
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dest[di++] = 0x80 + ((codePoint >> 12) & 0x3F);
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dest[di++] = 0x80 + ((codePoint >> 6) & 0x3F);
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dest[di++] = codePoint & 0x3F;
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} else if (codePoint <= 0x7FFFFFFF) { // Six bytes
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if (di + 5 >= destLimit) break;
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dest[di++] = 0xFC + (codePoint >> 30);
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dest[di++] = 0x80 + ((codePoint >> 24) & 0x3F);
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dest[di++] = 0x80 + ((codePoint >> 18) & 0x3F);
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dest[di++] = 0x80 + ((codePoint >> 12) & 0x3F);
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dest[di++] = 0x80 + ((codePoint >> 6) & 0x3F);
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dest[di++] = codePoint & 0x3F;
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} else {
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// Not a code point... skip.
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}
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}
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dest[di] = 0;
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return di;
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}
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#if defined(FLAG_DO_PROFILE) || defined(FLAG_DBG)
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#if defined(__ANDROID__)
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#include <android/log.h>
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#endif // defined(__ANDROID__)
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#ifndef LOG_TAG
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#define LOG_TAG "LatinIME: "
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#endif // LOG_TAG
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#if defined(HOST_TOOL)
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#include <stdio.h>
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#define AKLOGE(fmt, ...) printf(fmt "\n", ##__VA_ARGS__)
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#define AKLOGI(fmt, ...) printf(fmt "\n", ##__VA_ARGS__)
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#else // defined(HOST_TOOL)
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#define AKLOGE(fmt, ...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, fmt, ##__VA_ARGS__)
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#define AKLOGI(fmt, ...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, fmt, ##__VA_ARGS__)
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#endif // defined(HOST_TOOL)
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#define DUMP_SUGGESTION(words, frequencies, index, score) \
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do { dumpWordInfo(words, frequencies, index, score); } while (0)
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#define DUMP_WORD(word, length) do { dumpWord(word, length); } while (0)
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#define INTS_TO_CHARS(input, length, output, outlength) do { \
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intArrayToCharArray(input, length, output, outlength); } while (0)
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static inline void dumpWordInfo(const int *word, const int length, const int rank,
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const int probability) {
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static char charBuf[50];
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const int N = intArrayToCharArray(word, length, charBuf, NELEMS(charBuf));
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if (N > 0) {
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AKLOGI("%2d [ %s ] (%d)", rank, charBuf, probability);
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}
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}
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static AK_FORCE_INLINE void dumpWord(const int *word, const int length) {
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static char charBuf[50];
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const int N = intArrayToCharArray(word, length, charBuf, NELEMS(charBuf));
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if (N > 1) {
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AKLOGI("[ %s ]", charBuf);
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}
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}
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#ifndef __ANDROID__
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#include <cassert>
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#include <execinfo.h>
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#include <stdlib.h>
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#define DO_ASSERT_TEST
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#define ASSERT(success) do { if (!(success)) { showStackTrace(); assert(success);} } while (0)
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#define SHOW_STACK_TRACE do { showStackTrace(); } while (0)
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static inline void showStackTrace() {
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void *callstack[128];
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int i, frames = backtrace(callstack, 128);
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char **strs = backtrace_symbols(callstack, frames);
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for (i = 0; i < frames; ++i) {
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if (i == 0) {
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AKLOGI("=== Trace ===");
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continue;
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}
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AKLOGI("%s", strs[i]);
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}
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free(strs);
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}
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#else // __ANDROID__
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#include <cassert>
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#define DO_ASSERT_TEST
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#define ASSERT(success) assert(success)
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#define SHOW_STACK_TRACE
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#endif // __ANDROID__
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#else // defined(FLAG_DO_PROFILE) || defined(FLAG_DBG)
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#define AKLOGE(fmt, ...)
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#define AKLOGI(fmt, ...)
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#define DUMP_SUGGESTION(words, frequencies, index, score)
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#define DUMP_WORD(word, length)
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#undef DO_ASSERT_TEST
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#define ASSERT(success)
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#define SHOW_STACK_TRACE
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#define INTS_TO_CHARS(input, length, output)
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#endif // defined(FLAG_DO_PROFILE) || defined(FLAG_DBG)
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#ifdef FLAG_DBG
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#define DEBUG_DICT true
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#define DEBUG_DICT_FULL false
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#define DEBUG_EDIT_DISTANCE false
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#define DEBUG_NODE DEBUG_DICT_FULL
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#define DEBUG_TRACE DEBUG_DICT_FULL
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#define DEBUG_PROXIMITY_INFO false
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#define DEBUG_PROXIMITY_CHARS false
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#define DEBUG_CORRECTION false
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#define DEBUG_CORRECTION_FREQ false
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#define DEBUG_SAMPLING_POINTS false
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#define DEBUG_POINTS_PROBABILITY false
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#define DEBUG_DOUBLE_LETTER false
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#define DEBUG_CACHE false
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#define DEBUG_DUMP_ERROR false
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#define DEBUG_EVALUATE_MOST_PROBABLE_STRING false
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#ifdef FLAG_FULL_DBG
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#define DEBUG_GEO_FULL true
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#else
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#define DEBUG_GEO_FULL false
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#endif
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#else // FLAG_DBG
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#define DEBUG_DICT false
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#define DEBUG_DICT_FULL false
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#define DEBUG_EDIT_DISTANCE false
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#define DEBUG_NODE false
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#define DEBUG_TRACE false
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#define DEBUG_PROXIMITY_INFO false
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#define DEBUG_PROXIMITY_CHARS false
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#define DEBUG_CORRECTION false
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#define DEBUG_CORRECTION_FREQ false
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#define DEBUG_SAMPLING_POINTS false
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#define DEBUG_POINTS_PROBABILITY false
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#define DEBUG_DOUBLE_LETTER false
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#define DEBUG_CACHE false
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#define DEBUG_DUMP_ERROR false
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#define DEBUG_EVALUATE_MOST_PROBABLE_STRING false
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#define DEBUG_GEO_FULL false
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#endif // FLAG_DBG
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#ifndef S_INT_MAX
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#define S_INT_MAX 2147483647 // ((1 << 31) - 1)
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#endif
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#ifndef S_INT_MIN
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// The literal constant -2147483648 does not work in C prior C90, because
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// the compiler tries to fit the positive number into an int and then negate it.
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// GCC warns about this.
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#define S_INT_MIN (-2147483647 - 1) // -(1 << 31)
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#endif
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#define M_PI_F 3.14159265f
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#define MAX_PERCENTILE 100
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#define NOT_A_CODE_POINT (-1)
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#define NOT_A_DISTANCE (-1)
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#define NOT_A_COORDINATE (-1)
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#define NOT_AN_INDEX (-1)
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#define NOT_A_PROBABILITY (-1)
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#define NOT_A_DICT_POS (S_INT_MIN)
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#define NOT_A_WORD_ID (S_INT_MIN)
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#define NOT_A_TIMESTAMP (-1)
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#define NOT_A_WEIGHT_OF_LANG_MODEL_VS_SPATIAL_MODEL (-1.0f)
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// A special value to mean the first word confidence makes no sense in this case,
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// e.g. this is not a multi-word suggestion.
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#define NOT_A_FIRST_WORD_CONFIDENCE (S_INT_MIN)
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// How high the confidence needs to be for us to auto-commit. Arbitrary.
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// This needs to be the same as CONFIDENCE_FOR_AUTO_COMMIT in BinaryDictionary.java
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#define CONFIDENCE_FOR_AUTO_COMMIT (1000000)
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// 80% of the full confidence
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#define DISTANCE_WEIGHT_FOR_AUTO_COMMIT (80 * CONFIDENCE_FOR_AUTO_COMMIT / 100)
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// 100% of the full confidence
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#define LENGTH_WEIGHT_FOR_AUTO_COMMIT (CONFIDENCE_FOR_AUTO_COMMIT)
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// 80% of the full confidence
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#define SPACE_COUNT_WEIGHT_FOR_AUTO_COMMIT (80 * CONFIDENCE_FOR_AUTO_COMMIT / 100)
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#define KEYCODE_SPACE ' '
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#define KEYCODE_SINGLE_QUOTE '\''
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#define KEYCODE_HYPHEN_MINUS '-'
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// Code point to indicate beginning-of-sentence. This is not in the code point space of unicode.
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#define CODE_POINT_BEGINNING_OF_SENTENCE 0x110000
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#define SUGGEST_INTERFACE_OUTPUT_SCALE 1000000.0f
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#define MAX_PROBABILITY 255
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#define MAX_BIGRAM_ENCODED_PROBABILITY 15
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// Max value for length, distance and probability which are used in weighting
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// TODO: Remove
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#define MAX_VALUE_FOR_WEIGHTING 10000000
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// The max number of the keys in one keyboard layout
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#define MAX_KEY_COUNT_IN_A_KEYBOARD 64
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// TODO: Remove
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#define MAX_POINTER_COUNT 1
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#define MAX_POINTER_COUNT_G 2
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// (MAX_PREV_WORD_COUNT_FOR_N_GRAM + 1)-gram is supported.
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#define MAX_PREV_WORD_COUNT_FOR_N_GRAM 3
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#define DISALLOW_DEFAULT_CONSTRUCTOR(TypeName) \
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TypeName() = delete
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#define DISALLOW_COPY_CONSTRUCTOR(TypeName) \
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TypeName(const TypeName&) = delete
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#define DISALLOW_ASSIGNMENT_OPERATOR(TypeName) \
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void operator=(const TypeName&) = delete
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#define DISALLOW_COPY_AND_ASSIGN(TypeName) \
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DISALLOW_COPY_CONSTRUCTOR(TypeName); \
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DISALLOW_ASSIGNMENT_OPERATOR(TypeName)
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#define DISALLOW_IMPLICIT_CONSTRUCTORS(TypeName) \
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DISALLOW_DEFAULT_CONSTRUCTOR(TypeName); \
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DISALLOW_COPY_AND_ASSIGN(TypeName)
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// Used as a return value for character comparison
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typedef enum {
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// Same char, possibly with different case or accent
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MATCH_CHAR,
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// It is a char located nearby on the keyboard
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PROXIMITY_CHAR,
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// Additional proximity char which can differ by language.
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ADDITIONAL_PROXIMITY_CHAR,
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// It is a substitution char
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SUBSTITUTION_CHAR,
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// It is an unrelated char
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UNRELATED_CHAR,
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} ProximityType;
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typedef enum {
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NOT_A_DOUBLE_LETTER,
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A_DOUBLE_LETTER,
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A_STRONG_DOUBLE_LETTER
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} DoubleLetterLevel;
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typedef enum {
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// Correction for MATCH_CHAR
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CT_MATCH,
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// Correction for PROXIMITY_CHAR
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CT_PROXIMITY,
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// Correction for ADDITIONAL_PROXIMITY_CHAR
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CT_ADDITIONAL_PROXIMITY,
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// Correction for SUBSTITUTION_CHAR
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CT_SUBSTITUTION,
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// Skip one omitted letter
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CT_OMISSION,
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// Delete an unnecessarily inserted letter
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CT_INSERTION,
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// Swap the order of next two touch points
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CT_TRANSPOSITION,
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CT_COMPLETION,
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CT_TERMINAL,
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CT_TERMINAL_INSERTION,
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// Create new word with space omission
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CT_NEW_WORD_SPACE_OMISSION,
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// Create new word with space substitution
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CT_NEW_WORD_SPACE_SUBSTITUTION,
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} CorrectionType;
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#endif // LATINIME_DEFINES_H
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