75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
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// Copyright (c) 2013 GitHub, Inc. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "common/api/atom_bindings.h"
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#include "base/logging.h"
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#include "vendor/node/src/node.h"
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namespace atom {
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// Defined in atom_extensions.cc.
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node::node_module_struct* GetBuiltinModule(const char *name, bool is_browser);
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AtomBindings::AtomBindings() {
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}
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AtomBindings::~AtomBindings() {
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}
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void AtomBindings::BindTo(v8::Handle<v8::Object> process) {
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v8::HandleScope scope;
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node::SetMethod(process, "atom_binding", Binding);
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}
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// static
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v8::Handle<v8::Value> AtomBindings::Binding(const v8::Arguments& args) {
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v8::HandleScope scope;
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v8::Local<v8::String> module = args[0]->ToString();
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v8::String::Utf8Value module_v(module);
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node::node_module_struct* modp;
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v8::Local<v8::Object> process = v8::Context::GetCurrent()->Global()->
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Get(v8::String::New("process"))->ToObject();
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DCHECK(!process.IsEmpty());
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// is_browser = process.__atom_type == 'browser'.
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bool is_browser = std::string("browser") == *v8::String::Utf8Value(
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process->Get(v8::String::New("__atom_type")));
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// Cached in process.__atom_binding_cache.
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v8::Local<v8::Object> binding_cache;
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v8::Local<v8::String> bc_name = v8::String::New("__atom_binding_cache");
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if (process->Has(bc_name)) {
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binding_cache = process->Get(bc_name)->ToObject();
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DCHECK(!binding_cache.IsEmpty());
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} else {
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binding_cache = v8::Object::New();
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process->Set(bc_name, binding_cache);
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}
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v8::Local<v8::Object> exports;
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if (binding_cache->Has(module)) {
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exports = binding_cache->Get(module)->ToObject();
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return scope.Close(exports);
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}
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if ((modp = GetBuiltinModule(*module_v, is_browser)) != NULL) {
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exports = v8::Object::New();
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// Internal bindings don't have a "module" object,
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// only exports.
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modp->register_func(exports, v8::Undefined());
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binding_cache->Set(module, exports);
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return scope.Close(exports);
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}
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return v8::ThrowException(v8::Exception::Error(
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v8::String::New("No such module")));
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}
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} // namespace atom
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