blob: c128ecffc2c1c7ed59d2fd75bc78de912a1afe8f [file] [log] [blame]
// Copyright 2016 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 "mojo/public/cpp/bindings/string_traits_wtf.h"
#include <string.h>
#include "base/logging.h"
#include "mojo/public/cpp/bindings/lib/array_internal.h"
#include "third_party/WebKit/Source/platform/wtf/text/StringUTF8Adaptor.h"
namespace mojo {
namespace {
struct UTF8AdaptorInfo {
explicit UTF8AdaptorInfo(const WTF::String& input) : utf8_adaptor(input) {
#if DCHECK_IS_ON()
original_size_in_bytes = input.CharactersSizeInBytes();
#endif
}
~UTF8AdaptorInfo() {}
WTF::StringUTF8Adaptor utf8_adaptor;
#if DCHECK_IS_ON()
// For sanity check only.
size_t original_size_in_bytes;
#endif
};
UTF8AdaptorInfo* ToAdaptor(const WTF::String& input, void* context) {
UTF8AdaptorInfo* adaptor = static_cast<UTF8AdaptorInfo*>(context);
#if DCHECK_IS_ON()
DCHECK_EQ(adaptor->original_size_in_bytes, input.CharactersSizeInBytes());
#endif
return adaptor;
}
} // namespace
// static
void StringTraits<WTF::String>::SetToNull(WTF::String* output) {
if (output->IsNull())
return;
WTF::String result;
output->Swap(result);
}
// static
void* StringTraits<WTF::String>::SetUpContext(const WTF::String& input) {
return new UTF8AdaptorInfo(input);
}
// static
void StringTraits<WTF::String>::TearDownContext(const WTF::String& input,
void* context) {
delete ToAdaptor(input, context);
}
// static
size_t StringTraits<WTF::String>::GetSize(const WTF::String& input,
void* context) {
return ToAdaptor(input, context)->utf8_adaptor.length();
}
// static
const char* StringTraits<WTF::String>::GetData(const WTF::String& input,
void* context) {
return ToAdaptor(input, context)->utf8_adaptor.Data();
}
// static
bool StringTraits<WTF::String>::Read(StringDataView input,
WTF::String* output) {
WTF::String result = WTF::String::FromUTF8(input.storage(), input.size());
output->Swap(result);
return true;
}
} // namespace mojo