electron/atom/common/api/atom_api_asar.cc
2014-09-25 20:38:12 +08:00

103 lines
3.5 KiB
C++

// Copyright (c) 2014 GitHub, Inc. All rights reserved.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include <vector>
#include "atom/common/asar/archive.h"
#include "atom/common/asar/archive_factory.h"
#include "atom/common/native_mate_converters/file_path_converter.h"
#include "native_mate/arguments.h"
#include "native_mate/dictionary.h"
#include "native_mate/object_template_builder.h"
#include "native_mate/wrappable.h"
#include "atom/common/node_includes.h"
namespace {
class Archive : public mate::Wrappable {
public:
static v8::Handle<v8::Value> Create(v8::Isolate* isolate,
const base::FilePath& path) {
static asar::ArchiveFactory archive_factory;
asar::Archive* archive = archive_factory.GetOrCreate(path);
if (!archive)
return v8::False(isolate);
return (new Archive(archive))->GetWrapper(isolate);
}
protected:
explicit Archive(asar::Archive* archive) : archive_(archive) {}
virtual ~Archive() {}
// Reads the offset and size of file.
v8::Handle<v8::Value> GetFileInfo(v8::Isolate* isolate,
const base::FilePath& path) {
asar::Archive::FileInfo info;
if (!archive_ || !archive_->GetFileInfo(path, &info))
return v8::False(isolate);
mate::Dictionary dict(isolate, v8::Object::New(isolate));
dict.Set("size", info.size);
dict.Set("offset", info.offset);
return dict.GetHandle();
}
// Returns a fake result of fs.stat(path).
v8::Handle<v8::Value> Stat(v8::Isolate* isolate,
const base::FilePath& path) {
asar::Archive::Stats stats;
if (!archive_ || !archive_->Stat(path, &stats))
return v8::False(isolate);
mate::Dictionary dict(isolate, v8::Object::New(isolate));
dict.Set("size", stats.size);
dict.Set("offset", stats.offset);
dict.Set("isFile", stats.is_file);
dict.Set("isDirectory", stats.is_directory);
dict.Set("isLink", stats.is_link);
return dict.GetHandle();
}
// Returns all files under a directory.
v8::Handle<v8::Value> Readdir(v8::Isolate* isolate,
const base::FilePath& path) {
std::vector<base::FilePath> files;
if (!archive_ || !archive_->Readdir(path, &files))
return v8::False(isolate);
return mate::ConvertToV8(isolate, files);
}
// Copy the file out into a temporary file and returns the new path.
v8::Handle<v8::Value> CopyFileOut(v8::Isolate* isolate,
const base::FilePath& path) {
base::FilePath new_path;
if (!archive_ || !archive_->CopyFileOut(path, &new_path))
return v8::False(isolate);
return mate::ConvertToV8(isolate, new_path);
}
// mate::Wrappable:
mate::ObjectTemplateBuilder GetObjectTemplateBuilder(v8::Isolate* isolate) {
return mate::ObjectTemplateBuilder(isolate)
.SetValue("path", archive_->path())
.SetMethod("getFileInfo", &Archive::GetFileInfo)
.SetMethod("stat", &Archive::Stat)
.SetMethod("readdir", &Archive::Readdir)
.SetMethod("copyFileOut", &Archive::CopyFileOut);
}
private:
asar::Archive* archive_;
DISALLOW_COPY_AND_ASSIGN(Archive);
};
void Initialize(v8::Handle<v8::Object> exports, v8::Handle<v8::Value> unused,
v8::Handle<v8::Context> context, void* priv) {
mate::Dictionary dict(context->GetIsolate(), exports);
dict.SetMethod("createArchive", &Archive::Create);
}
} // namespace
NODE_MODULE_CONTEXT_AWARE_BUILTIN(atom_common_asar, Initialize)