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