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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 "extensions/renderer/resource_bundle_source_map.h"
#include "base/logging.h"
#include "base/strings/string_piece.h"
#include "extensions/renderer/static_v8_external_one_byte_string_resource.h"
#include "ui/base/resource/resource_bundle.h"
namespace extensions {
namespace {
v8::Local<v8::String> ConvertString(v8::Isolate* isolate,
const base::StringPiece& string) {
// v8 takes ownership of the StaticV8ExternalOneByteStringResource (see
// v8::String::NewExternal()).
return v8::String::NewExternal(
isolate, new StaticV8ExternalOneByteStringResource(string));
}
} // namespace
ResourceBundleSourceMap::ResourceBundleSourceMap(
const ui::ResourceBundle* resource_bundle)
: resource_bundle_(resource_bundle) {
}
ResourceBundleSourceMap::~ResourceBundleSourceMap() {
}
void ResourceBundleSourceMap::RegisterSource(const std::string& name,
int resource_id) {
resource_id_map_[name] = resource_id;
}
v8::Local<v8::String> ResourceBundleSourceMap::GetSource(
v8::Isolate* isolate,
const std::string& name) const {
const auto& resource_id_iter = resource_id_map_.find(name);
if (resource_id_iter == resource_id_map_.end()) {
NOTREACHED() << "No module is registered with name \"" << name << "\"";
return v8::Local<v8::String>();
}
base::StringPiece resource =
resource_bundle_->GetRawDataResource(resource_id_iter->second);
if (resource.empty()) {
NOTREACHED()
<< "Module resource registered as \"" << name << "\" not found";
return v8::Local<v8::String>();
}
return ConvertString(isolate, resource);
}
bool ResourceBundleSourceMap::Contains(const std::string& name) const {
return !!resource_id_map_.count(name);
}
} // namespace extensions
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