78 lines
1.9 KiB
C++
78 lines
1.9 KiB
C++
// Copyright (c) 2014 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#ifndef ATOM_COMMON_ASAR_ARCHIVE_H_
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#define ATOM_COMMON_ASAR_ARCHIVE_H_
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#include <vector>
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#include "base/containers/scoped_ptr_hash_map.h"
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#include "base/files/file_path.h"
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#include "base/memory/scoped_ptr.h"
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namespace base {
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class DictionaryValue;
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}
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namespace asar {
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class ScopedTemporaryFile;
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// This class represents an asar package, and provides methods to read
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// information from it.
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class Archive {
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public:
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struct FileInfo {
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FileInfo() : size(0), offset(0) {}
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bool unpacked;
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uint32 size;
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uint64 offset;
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};
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struct Stats : public FileInfo {
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Stats() : is_file(true), is_directory(false), is_link(false) {}
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bool is_file;
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bool is_directory;
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bool is_link;
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};
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explicit Archive(const base::FilePath& path);
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virtual ~Archive();
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// Read and parse the header.
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bool Init();
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// Get the info of a file.
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bool GetFileInfo(const base::FilePath& path, FileInfo* info);
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// Fs.stat(path).
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bool Stat(const base::FilePath& path, Stats* stats);
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// Fs.readdir(path).
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bool Readdir(const base::FilePath& path, std::vector<base::FilePath>* files);
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// Fs.realpath(path).
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bool Realpath(const base::FilePath& path, base::FilePath* realpath);
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// Copy the file into a temporary file, and return the new path.
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// For unpacked file, this method will return its real path.
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bool CopyFileOut(const base::FilePath& path, base::FilePath* out);
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base::FilePath path() const { return path_; }
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base::DictionaryValue* header() const { return header_.get(); }
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private:
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base::FilePath path_;
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uint32 header_size_;
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scoped_ptr<base::DictionaryValue> header_;
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// Cached external temporary files.
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base::ScopedPtrHashMap<base::FilePath, ScopedTemporaryFile> external_files_;
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DISALLOW_COPY_AND_ASSIGN(Archive);
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};
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} // namespace asar
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#endif // ATOM_COMMON_ASAR_ARCHIVE_H_
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