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- // Copyright 2014 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include <string.h>
- #include <string>
- #include "base/android/jni_android.h"
- #include "base/android/jni_string.h"
- #include "base/strings/string_piece.h"
- #include "url/url_canon_internal.h"
- #include "url/url_jni_headers/IDNStringUtil_jni.h"
- using base::android::ScopedJavaLocalRef;
- namespace url {
- // This uses the JDK's conversion function, which uses IDNA 2003, unlike the
- // ICU implementation.
- bool IDNToASCII(const char16_t* src, int src_len, CanonOutputW* output) {
- DCHECK_EQ(0u, output->length()); // Output buffer is assumed empty.
- JNIEnv* env = base::android::AttachCurrentThread();
- base::android::ScopedJavaLocalRef<jstring> java_src =
- base::android::ConvertUTF16ToJavaString(
- env, base::StringPiece16(src, src_len));
- ScopedJavaLocalRef<jstring> java_result =
- android::Java_IDNStringUtil_idnToASCII(env, java_src);
- // NULL indicates failure.
- if (java_result.is_null())
- return false;
- std::u16string utf16_result =
- base::android::ConvertJavaStringToUTF16(java_result);
- output->Append(utf16_result.data(), utf16_result.size());
- return true;
- }
- } // namespace url
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