1 files changed, 40 insertions, 0 deletions
diff --git a/string_byte_sink.h b/string_byte_sink.h
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+++ b/string_byte_sink.h
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+// Copyright (C) 2012 The Libphonenumber Authors
+//
+// 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.
+
+// We need this because when ICU is built without std::string support,
+// UnicodeString::toUTF8String() is not available. The alternative,
+// UnicodeString::toUTF8(), requires an implementation of a string byte sink.
+// See unicode/unistr.h and unicode/bytestream.h in ICU for more details.
+
+#include <string>
+
+#include <unicode/unistr.h>
+
+namespace i18n {
+namespace phonenumbers {
+
+class StringByteSink : public icu::ByteSink {
+ public:
+  // Constructs a ByteSink that will append bytes to the dest string.
+  explicit StringByteSink(std::string* dest);
+  virtual ~StringByteSink();
+
+  virtual void Append(const char* data, int32_t n);
+
+ private:
+  std::string* const dest_;
+};
+
+}  // namespace phonenumbers
+}  // namespace i18n