static void latinime_BinaryDictionary_close(JNIEnv *env, jobject object, jint dict) {
Dictionary *dictionary = (Dictionary*)dict;
if (!dictionary) return;
void *dictBuf = dictionary->getDict();
if (!dictBuf) return;
#ifdef USE_MMAP_FOR_DICTIONARY
releaseDictBuf((void *)((char *)dictBuf - dictionary->getDictBufAdjust()),
dictionary->getDictSize() + dictionary->getDictBufAdjust(), dictionary->getMmapFd());
#else // USE_MMAP_FOR_DICTIONARY
releaseDictBuf(dictBuf, 0, 0);
#endif // USE_MMAP_FOR_DICTIONARY
delete dictionary;
}
static void latinime_BinaryDictionary_close(JNIEnv *env, jclass clazz, jlong dict) {
Dictionary *dictionary = reinterpret_cast<Dictionary *>(dict);
if (!dictionary) return;
const void *dictBuf = dictionary->getDict();
if (!dictBuf) return;
#ifdef USE_MMAP_FOR_DICTIONARY
releaseDictBuf(static_cast<const char *>(dictBuf) - dictionary->getDictBufAdjust(),
dictionary->getDictSize() + dictionary->getDictBufAdjust(), dictionary->getMmapFd());
#else // USE_MMAP_FOR_DICTIONARY
releaseDictBuf(dictBuf, 0, 0);
#endif // USE_MMAP_FOR_DICTIONARY
delete dictionary;
}
static jint latinime_BinaryDictionary_open(JNIEnv *env, jobject object,
jstring sourceDir, jlong dictOffset, jlong dictSize,
jint typedLetterMultiplier, jint fullWordMultiplier, jint maxWordLength, jint maxWords,
jint maxAlternatives) {
PROF_OPEN;
PROF_START(66);
const char *sourceDirChars = env->GetStringUTFChars(sourceDir, NULL);
if (sourceDirChars == NULL) {
LOGE("DICT: Can't get sourceDir string");
return 0;
}
int fd = 0;
void *dictBuf = NULL;
int adjust = 0;
#ifdef USE_MMAP_FOR_DICTIONARY
/* mmap version */
fd = open(sourceDirChars, O_RDONLY);
if (fd < 0) {
LOGE("DICT: Can't open sourceDir. sourceDirChars=%s errno=%d", sourceDirChars, errno);
return 0;
}
int pagesize = getpagesize();
adjust = dictOffset % pagesize;
int adjDictOffset = dictOffset - adjust;
int adjDictSize = dictSize + adjust;
dictBuf = mmap(NULL, sizeof(char) * adjDictSize, PROT_READ, MAP_PRIVATE, fd, adjDictOffset);
if (dictBuf == MAP_FAILED) {
LOGE("DICT: Can't mmap dictionary. errno=%d", errno);
return 0;
}
dictBuf = (void *)((char *)dictBuf + adjust);
#else // USE_MMAP_FOR_DICTIONARY
/* malloc version */
FILE *file = NULL;
file = fopen(sourceDirChars, "rb");
if (file == NULL) {
LOGE("DICT: Can't fopen sourceDir. sourceDirChars=%s errno=%d", sourceDirChars, errno);
return 0;
}
dictBuf = malloc(sizeof(char) * dictSize);
if (!dictBuf) {
LOGE("DICT: Can't allocate memory region for dictionary. errno=%d", errno);
return 0;
}
int ret = fseek(file, (long)dictOffset, SEEK_SET);
if (ret != 0) {
LOGE("DICT: Failure in fseek. ret=%d errno=%d", ret, errno);
return 0;
}
ret = fread(dictBuf, sizeof(char) * dictSize, 1, file);
if (ret != 1) {
LOGE("DICT: Failure in fread. ret=%d errno=%d", ret, errno);
return 0;
}
ret = fclose(file);
if (ret != 0) {
LOGE("DICT: Failure in fclose. ret=%d errno=%d", ret, errno);
return 0;
}
#endif // USE_MMAP_FOR_DICTIONARY
env->ReleaseStringUTFChars(sourceDir, sourceDirChars);
if (!dictBuf) {
LOGE("DICT: dictBuf is null");
return 0;
}
Dictionary *dictionary = NULL;
if (BinaryFormat::UNKNOWN_FORMAT == BinaryFormat::detectFormat((uint8_t*)dictBuf)) {
LOGE("DICT: dictionary format is unknown, bad magic number");
#ifdef USE_MMAP_FOR_DICTIONARY
releaseDictBuf(((char*)dictBuf) - adjust, adjDictSize, fd);
#else // USE_MMAP_FOR_DICTIONARY
releaseDictBuf(dictBuf, 0, 0);
#endif // USE_MMAP_FOR_DICTIONARY
} else {
dictionary = new Dictionary(dictBuf, dictSize, fd, adjust, typedLetterMultiplier,
fullWordMultiplier, maxWordLength, maxWords, maxAlternatives);
}
PROF_END(66);
PROF_CLOSE;
return (jint)dictionary;
}
static jlong latinime_BinaryDictionary_open(JNIEnv *env, jclass clazz, jstring sourceDir,
jlong dictOffset, jlong dictSize) {
PROF_OPEN;
PROF_START(66);
const jsize sourceDirUtf8Length = env->GetStringUTFLength(sourceDir);
if (sourceDirUtf8Length <= 0) {
AKLOGE("DICT: Can't get sourceDir string");
return 0;
}
char sourceDirChars[sourceDirUtf8Length + 1];
env->GetStringUTFRegion(sourceDir, 0, env->GetStringLength(sourceDir), sourceDirChars);
sourceDirChars[sourceDirUtf8Length] = '\0';
int fd = 0;
void *dictBuf = 0;
int adjust = 0;
#ifdef USE_MMAP_FOR_DICTIONARY
/* mmap version */
fd = open(sourceDirChars, O_RDONLY);
if (fd < 0) {
AKLOGE("DICT: Can't open sourceDir. sourceDirChars=%s errno=%d", sourceDirChars, errno);
return 0;
}
int pagesize = getpagesize();
adjust = static_cast<int>(dictOffset) % pagesize;
int adjDictOffset = static_cast<int>(dictOffset) - adjust;
int adjDictSize = static_cast<int>(dictSize) + adjust;
dictBuf = mmap(0, adjDictSize, PROT_READ, MAP_PRIVATE, fd, adjDictOffset);
if (dictBuf == MAP_FAILED) {
AKLOGE("DICT: Can't mmap dictionary. errno=%d", errno);
return 0;
}
dictBuf = static_cast<char *>(dictBuf) + adjust;
#else // USE_MMAP_FOR_DICTIONARY
/* malloc version */
FILE *file = 0;
file = fopen(sourceDirChars, "rb");
if (file == 0) {
AKLOGE("DICT: Can't fopen sourceDir. sourceDirChars=%s errno=%d", sourceDirChars, errno);
return 0;
}
dictBuf = malloc(dictSize);
if (!dictBuf) {
AKLOGE("DICT: Can't allocate memory region for dictionary. errno=%d", errno);
return 0;
}
int ret = fseek(file, static_cast<long>(dictOffset), SEEK_SET);
if (ret != 0) {
AKLOGE("DICT: Failure in fseek. ret=%d errno=%d", ret, errno);
return 0;
}
ret = fread(dictBuf, dictSize, 1, file);
if (ret != 1) {
AKLOGE("DICT: Failure in fread. ret=%d errno=%d", ret, errno);
return 0;
}
ret = fclose(file);
if (ret != 0) {
AKLOGE("DICT: Failure in fclose. ret=%d errno=%d", ret, errno);
return 0;
}
#endif // USE_MMAP_FOR_DICTIONARY
if (!dictBuf) {
AKLOGE("DICT: dictBuf is null");
return 0;
}
Dictionary *dictionary = 0;
if (BinaryFormat::UNKNOWN_FORMAT
== BinaryFormat::detectFormat(static_cast<uint8_t *>(dictBuf),
static_cast<int>(dictSize))) {
AKLOGE("DICT: dictionary format is unknown, bad magic number");
#ifdef USE_MMAP_FOR_DICTIONARY
releaseDictBuf(static_cast<const char *>(dictBuf) - adjust, adjDictSize, fd);
#else // USE_MMAP_FOR_DICTIONARY
releaseDictBuf(dictBuf, 0, 0);
#endif // USE_MMAP_FOR_DICTIONARY
} else {
dictionary = new Dictionary(dictBuf, static_cast<int>(dictSize), fd, adjust);
}
PROF_END(66);
PROF_CLOSE;
return reinterpret_cast<jlong>(dictionary);
}
