| // 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" |
| #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 |