| /* |
| * Copyright (C) 2010 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 "NativeIDN" |
| |
| #include "ErrorCode.h" |
| #include "JNIHelp.h" |
| #include "JniConstants.h" |
| #include "ScopedJavaUnicodeString.h" |
| #include "unicode/uidna.h" |
| |
| static bool isLabelSeparator(const UChar ch) { |
| switch (ch) { |
| case 0x3002: // ideographic full stop |
| case 0xff0e: // fullwidth full stop |
| case 0xff61: // halfwidth ideographic full stop |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| static jstring NativeIDN_convertImpl(JNIEnv* env, jclass, jstring s, jint flags, jboolean toAscii) { |
| ScopedJavaUnicodeString sus(env, s); |
| const UChar* src = sus.unicodeString().getBuffer(); |
| const size_t srcLength = sus.unicodeString().length(); |
| UChar dst[256]; |
| UErrorCode status = U_ZERO_ERROR; |
| size_t resultLength = toAscii |
| ? uidna_IDNToASCII(src, srcLength, &dst[0], sizeof(dst), flags, NULL, &status) |
| : uidna_IDNToUnicode(src, srcLength, &dst[0], sizeof(dst), flags, NULL, &status); |
| if (U_FAILURE(status)) { |
| jniThrowException(env, "java/lang/IllegalArgumentException", u_errorName(status)); |
| return NULL; |
| } |
| if (!toAscii) { |
| // ICU only translates separators to ASCII for toASCII. |
| // Java expects the translation for toUnicode too. |
| // We may as well do this here, while the string is still mutable. |
| for (size_t i = 0; i < resultLength; ++i) { |
| if (isLabelSeparator(dst[i])) { |
| dst[i] = '.'; |
| } |
| } |
| } |
| return env->NewString(&dst[0], resultLength); |
| } |
| |
| static JNINativeMethod gMethods[] = { |
| NATIVE_METHOD(NativeIDN, convertImpl, "(Ljava/lang/String;IZ)Ljava/lang/String;"), |
| }; |
| int register_libcore_icu_NativeIDN(JNIEnv* env) { |
| return jniRegisterNativeMethods(env, "libcore/icu/NativeIDN", gMethods, NELEM(gMethods)); |
| } |