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// Copyright 2014 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/bindings/js/unicode.h"
#include "gin/arguments.h"
#include "gin/array_buffer.h"
#include "gin/object_template_builder.h"
#include "gin/per_isolate_data.h"
#include "gin/public/wrapper_info.h"
namespace mojo {
namespace js {
namespace {
v8::Handle<v8::Value> DecodeUtf8String(const gin::Arguments& args,
const gin::ArrayBufferView& buffer) {
assert(static_cast<int>(buffer.num_bytes()) >= 0);
return v8::String::NewFromUtf8(args.isolate(),
reinterpret_cast<char*>(buffer.bytes()),
v8::String::kNormalString,
static_cast<int>(buffer.num_bytes()));
}
int EncodeUtf8String(const gin::Arguments& args,
v8::Handle<v8::Value> str_value,
const gin::ArrayBufferView& buffer) {
assert(static_cast<int>(buffer.num_bytes()) >= 0);
v8::Handle<v8::String> str = str_value->ToString();
int num_bytes = str->WriteUtf8(
reinterpret_cast<char*>(buffer.bytes()),
static_cast<int>(buffer.num_bytes()),
NULL,
v8::String::NO_NULL_TERMINATION | v8::String::REPLACE_INVALID_UTF8);
return num_bytes;
}
int Utf8Length(v8::Handle<v8::Value> str_value) {
return str_value->ToString()->Utf8Length();
}
gin::WrapperInfo g_wrapper_info = { gin::kEmbedderNativeGin };
} // namespace
const char Unicode::kModuleName[] = "mojo/public/js/bindings/unicode";
v8::Local<v8::Value> Unicode::GetModule(v8::Isolate* isolate) {
gin::PerIsolateData* data = gin::PerIsolateData::From(isolate);
v8::Local<v8::ObjectTemplate> templ = data->GetObjectTemplate(
&g_wrapper_info);
if (templ.IsEmpty()) {
templ = gin::ObjectTemplateBuilder(isolate)
.SetMethod("decodeUtf8String", DecodeUtf8String)
.SetMethod("encodeUtf8String", EncodeUtf8String)
.SetMethod("utf8Length", Utf8Length)
.Build();
data->SetObjectTemplate(&g_wrapper_info, templ);
}
return templ->NewInstance();
}
} // namespace js
} // namespace mojo
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