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Minimal test - lines (18, 138)

Code

namespace mozilla {

class FileLocation {
 public:
  /**
   * FileLocation is an helper to handle different kind of file locations
   * within Gecko:
   * - on filesystems
   * - in archives
   * - in archives within archives
   * As such, it stores a path within an archive, as well as the archive
   * path itself, or the complete file path alone when on a filesystem.
   * When the archive is in an archive, an nsZipArchive is stored instead
   * of a file path.
   */
  FileLocation();
  ~FileLocation();

  FileLocation(const FileLocation& aOther);
  FileLocation(FileLocation&& aOther);

  FileLocation& operator=(const FileLocation&) = default;

  /**
   * Constructor for plain files
   */
  explicit FileLocation(nsIFile* aFile);

  /**
   * Constructors for path within an archive. The archive can be given either
   * as nsIFile or nsZipArchive.
   */
  FileLocation(nsIFile* aZip, const char* aPath);

  FileLocation(nsZipArchive* aZip, const char* aPath);

  /**
   * Creates a new file location relative to another one.
   */
  FileLocation(const FileLocation& aFile, const char* aPath);

  /**
   * Initialization functions corresponding to constructors
   */
  void Init(nsIFile* aFile);

  void Init(nsIFile* aZip, const char* aPath);

  void Init(nsZipArchive* aZip, const char* aPath);

  /**
   * Returns an URI string corresponding to the file location
   */
  void GetURIString(nsACString& aResult) const;

  /**
   * Returns the base file of the location, where base file is defined as:
   * - The file itself when the location is on a filesystem
   * - The archive file when the location is in an archive
   * - The outer archive file when the location is in an archive in an archive
   */
  already_AddRefed GetBaseFile();

  nsZipArchive* GetBaseZip() { return mBaseZip; }

  /**
   * Returns whether the "base file" (see GetBaseFile) is an archive
   */
  bool IsZip() const { return !mPath.IsEmpty(); }

  /**
   * Returns the path within the archive, when within an archive
   */
  void GetPath(nsACString& aResult) const { aResult = mPath; }

  /**
   * Boolean value corresponding to whether the file location is initialized
   * or not.
   */
  explicit operator bool() const { return mBaseFile || mBaseZip; }

  /**
   * Returns whether another FileLocation points to the same resource
   */
  bool Equals(const FileLocation& aFile) const;

  /**
   * Data associated with a FileLocation.
   */
  class Data {
   public:
    /**
     * Returns the data size
     */
    nsresult GetSize(uint32_t* aResult);

    /**
     * Copies the data in the given buffer
     */
    nsresult Copy(char* aBuf, uint32_t aLen);

   protected:
    friend class FileLocation;
    nsZipItem* mItem;
    RefPtr mZip;
    mozilla::AutoFDClose mFd;
  };

  /**
   * Returns the data associated with the resource pointed at by the file
   * location.
   */
  nsresult GetData(Data& aData);

 private:
  nsCOMPtr mBaseFile;
  RefPtr mBaseZip;
  nsCString mPath;
}; /* class FileLocation */

} /* namespace mozilla */

Minimal test - lines (15, 15)

Code

class nsZipArchive;

Minimal test - lines (20, 136)

Code

class FileLocation {
 public:
  /**
   * FileLocation is an helper to handle different kind of file locations
   * within Gecko:
   * - on filesystems
   * - in archives
   * - in archives within archives
   * As such, it stores a path within an archive, as well as the archive
   * path itself, or the complete file path alone when on a filesystem.
   * When the archive is in an archive, an nsZipArchive is stored instead
   * of a file path.
   */
  FileLocation();
  ~FileLocation();

  FileLocation(const FileLocation& aOther);
  FileLocation(FileLocation&& aOther);

  FileLocation& operator=(const FileLocation&) = default;

  /**
   * Constructor for plain files
   */
  explicit FileLocation(nsIFile* aFile);

  /**
   * Constructors for path within an archive. The archive can be given either
   * as nsIFile or nsZipArchive.
   */
  FileLocation(nsIFile* aZip, const char* aPath);

  FileLocation(nsZipArchive* aZip, const char* aPath);

  /**
   * Creates a new file location relative to another one.
   */
  FileLocation(const FileLocation& aFile, const char* aPath);

  /**
   * Initialization functions corresponding to constructors
   */
  void Init(nsIFile* aFile);

  void Init(nsIFile* aZip, const char* aPath);

  void Init(nsZipArchive* aZip, const char* aPath);

  /**
   * Returns an URI string corresponding to the file location
   */
  void GetURIString(nsACString& aResult) const;

  /**
   * Returns the base file of the location, where base file is defined as:
   * - The file itself when the location is on a filesystem
   * - The archive file when the location is in an archive
   * - The outer archive file when the location is in an archive in an archive
   */
  already_AddRefed GetBaseFile();

  nsZipArchive* GetBaseZip() { return mBaseZip; }

  /**
   * Returns whether the "base file" (see GetBaseFile) is an archive
   */
  bool IsZip() const { return !mPath.IsEmpty(); }

  /**
   * Returns the path within the archive, when within an archive
   */
  void GetPath(nsACString& aResult) const { aResult = mPath; }

  /**
   * Boolean value corresponding to whether the file location is initialized
   * or not.
   */
  explicit operator bool() const { return mBaseFile || mBaseZip; }

  /**
   * Returns whether another FileLocation points to the same resource
   */
  bool Equals(const FileLocation& aFile) const;

  /**
   * Data associated with a FileLocation.
   */
  class Data {
   public:
    /**
     * Returns the data size
     */
    nsresult GetSize(uint32_t* aResult);

    /**
     * Copies the data in the given buffer
     */
    nsresult Copy(char* aBuf, uint32_t aLen);

   protected:
    friend class FileLocation;
    nsZipItem* mItem;
    RefPtr mZip;
    mozilla::AutoFDClose mFd;
  };

  /**
   * Returns the data associated with the resource pointed at by the file
   * location.
   */
  nsresult GetData(Data& aData);

 private:
  nsCOMPtr mBaseFile;
  RefPtr mBaseZip;
  nsCString mPath;
}; /* class FileLocation */

Minimal test - lines (16, 16)

Code

class nsZipItem;