1 files changed, 105 insertions, 0 deletions
diff --git a/native/jni/org_kelar_inputmethod_latin_BinaryDictionaryUtils.cpp b/native/jni/org_kelar_inputmethod_latin_BinaryDictionaryUtils.cpp
new file mode 100644
index 000000000..0ce65605c
--- /dev/null
+++ b/native/jni/org_kelar_inputmethod_latin_BinaryDictionaryUtils.cpp
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+#define LOG_TAG "LatinIME: jni: BinaryDictionaryUtils"
+
+#include "org_kelar_inputmethod_latin_BinaryDictionaryUtils.h"
+
+#include "defines.h"
+#include "dictionary/utils/dict_file_writing_utils.h"
+#include "jni.h"
+#include "jni_common.h"
+#include "utils/autocorrection_threshold_utils.h"
+#include "utils/char_utils.h"
+#include "utils/jni_data_utils.h"
+#include "utils/time_keeper.h"
+
+namespace latinime {
+
+static jboolean latinime_BinaryDictionaryUtils_createEmptyDictFile(JNIEnv *env, jclass clazz,
+        jstring filePath, jlong dictVersion, jstring locale, jobjectArray attributeKeyStringArray,
+        jobjectArray attributeValueStringArray) {
+    const jsize filePathUtf8Length = env->GetStringUTFLength(filePath);
+    char filePathChars[filePathUtf8Length + 1];
+    env->GetStringUTFRegion(filePath, 0, env->GetStringLength(filePath), filePathChars);
+    filePathChars[filePathUtf8Length] = '\0';
+
+    const jsize localeUtf8Length = env->GetStringUTFLength(locale);
+    char localeChars[localeUtf8Length + 1];
+    env->GetStringUTFRegion(locale, 0, env->GetStringLength(locale), localeChars);
+    localeChars[localeUtf8Length] = '\0';
+    std::vector<int> localeCodePoints;
+    HeaderReadWriteUtils::insertCharactersIntoVector(localeChars, &localeCodePoints);
+
+    const int keyCount = env->GetArrayLength(attributeKeyStringArray);
+    const int valueCount = env->GetArrayLength(attributeValueStringArray);
+    if (keyCount != valueCount) {
+        return false;
+    }
+    DictionaryHeaderStructurePolicy::AttributeMap attributeMap =
+            JniDataUtils::constructAttributeMap(env, attributeKeyStringArray,
+                    attributeValueStringArray);
+    return DictFileWritingUtils::createEmptyDictFile(filePathChars, static_cast<int>(dictVersion),
+            localeCodePoints, &attributeMap);
+}
+
+static jfloat latinime_BinaryDictionaryUtils_calcNormalizedScore(JNIEnv *env, jclass clazz,
+        jintArray before, jintArray after, jint score) {
+    jsize beforeLength = env->GetArrayLength(before);
+    jsize afterLength = env->GetArrayLength(after);
+    int beforeCodePoints[beforeLength];
+    int afterCodePoints[afterLength];
+    env->GetIntArrayRegion(before, 0, beforeLength, beforeCodePoints);
+    env->GetIntArrayRegion(after, 0, afterLength, afterCodePoints);
+    return AutocorrectionThresholdUtils::calcNormalizedScore(beforeCodePoints, beforeLength,
+            afterCodePoints, afterLength, score);
+}
+
+static int latinime_BinaryDictionaryUtils_setCurrentTimeForTest(JNIEnv *env, jclass clazz,
+        jint currentTime) {
+    if (currentTime >= 0) {
+        TimeKeeper::startTestModeWithForceCurrentTime(currentTime);
+    } else {
+        TimeKeeper::stopTestMode();
+    }
+    TimeKeeper::setCurrentTime();
+    return TimeKeeper::peekCurrentTime();
+}
+
+static const JNINativeMethod sMethods[] = {
+    {
+        const_cast<char *>("createEmptyDictFileNative"),
+        const_cast<char *>(
+                "(Ljava/lang/String;JLjava/lang/String;[Ljava/lang/String;[Ljava/lang/String;)Z"),
+        reinterpret_cast<void *>(latinime_BinaryDictionaryUtils_createEmptyDictFile)
+    },
+    {
+        const_cast<char *>("calcNormalizedScoreNative"),
+        const_cast<char *>("([I[II)F"),
+        reinterpret_cast<void *>(latinime_BinaryDictionaryUtils_calcNormalizedScore)
+    },
+    {
+        const_cast<char *>("setCurrentTimeForTestNative"),
+        const_cast<char *>("(I)I"),
+        reinterpret_cast<void *>(latinime_BinaryDictionaryUtils_setCurrentTimeForTest)
+    }
+};
+
+int register_BinaryDictionaryUtils(JNIEnv *env) {
+    const char *const kClassPathName = "org/kelar/inputmethod/latin/utils/BinaryDictionaryUtils";
+    return registerNativeMethods(env, kClassPathName, sMethods, NELEMS(sMethods));
+}
+} // namespace latinime