blob: 401acb960f445f97f4f165f365668d69b4066052 [file] [log] [blame]
// Copyright 2014 The Chromium Authors
// 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 <string_view>
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "url/url_canon_internal.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#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(std::u16string_view src, 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, src);
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