1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #define LOG_TAG "NativeNormalizer" 18 19 #include "IcuUtilities.h" 20 #include "JNIHelp.h" 21 #include "JniConstants.h" 22 #include "JniException.h" 23 #include "ScopedJavaUnicodeString.h" 24 #include "unicode/normlzr.h" 25 26 static jstring NativeNormalizer_normalizeImpl(JNIEnv* env, jclass, jstring s, jint intMode) { 27 ScopedJavaUnicodeString src(env, s); 28 if (!src.valid()) { 29 return NULL; 30 } 31 UNormalizationMode mode = static_cast<UNormalizationMode>(intMode); 32 UErrorCode status = U_ZERO_ERROR; 33 icu::UnicodeString dst; 34 icu::Normalizer::normalize(src.unicodeString(), mode, 0, dst, status); 35 maybeThrowIcuException(env, "Normalizer::normalize", status); 36 return dst.isBogus() ? NULL : env->NewString(dst.getBuffer(), dst.length()); 37 } 38 39 static jboolean NativeNormalizer_isNormalizedImpl(JNIEnv* env, jclass, jstring s, jint intMode) { 40 ScopedJavaUnicodeString src(env, s); 41 if (!src.valid()) { 42 return JNI_FALSE; 43 } 44 UNormalizationMode mode = static_cast<UNormalizationMode>(intMode); 45 UErrorCode status = U_ZERO_ERROR; 46 UBool result = icu::Normalizer::isNormalized(src.unicodeString(), mode, status); 47 maybeThrowIcuException(env, "Normalizer::isNormalized", status); 48 return result; 49 } 50 51 static JNINativeMethod gMethods[] = { 52 NATIVE_METHOD(NativeNormalizer, normalizeImpl, "(Ljava/lang/String;I)Ljava/lang/String;"), 53 NATIVE_METHOD(NativeNormalizer, isNormalizedImpl, "(Ljava/lang/String;I)Z"), 54 }; 55 void register_libcore_icu_NativeNormalizer(JNIEnv* env) { 56 jniRegisterNativeMethods(env, "libcore/icu/NativeNormalizer", gMethods, NELEM(gMethods)); 57 } 58