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
26static 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  UnicodeString dst;
34  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
39static 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 = Normalizer::isNormalized(src.unicodeString(), mode, status);
47  maybeThrowIcuException(env, "Normalizer::isNormalized", status);
48  return result;
49}
50
51static 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};
55void register_libcore_icu_NativeNormalizer(JNIEnv* env) {
56  jniRegisterNativeMethods(env, "libcore/icu/NativeNormalizer", gMethods, NELEM(gMethods));
57}
58