content: /* ###
   * IP: GHIDRA
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package firmware.uefi_fv;
  
  import java.io.IOException;
  
  import ghidra.app.util.bin.BinaryReader;
  import ghidra.formats.gfilesystem.FileSystemIndexHelper;
  import ghidra.formats.gfilesystem.GFile;
  import ghidra.formats.gfilesystem.fileinfo.FileAttributes;
  
  /**
   * Parser for FFS version sections, which have the following specific fields:
   *
   * <pre>
   *   UEFI FFS UI Section Header
   *   +-----------+------+---------------------------------+
   *   | Type      | Size | Description                     |
   *   +-----------+------+---------------------------------+
   *   | u16       |    2 | Build Number                    |
   *   | wchar_t[] |  var | Version String (Unicode string) |
   *   +-----------+------+---------------------------------+
   * </pre>
   *
   * This header follows the common section header. See FFSSection for additional information.
   */
  public class FFSVersionSection extends FFSSection {
  	// Original header fields
  	private final short buildNumber;
  	private final String versionString;
  
  	/**
  	 * Constructs a FFSVersionSection from a specified BinaryReader and adds it to a specified
  	 * FileSystemIndexHelper.
  	 *
  	 * @param reader the specified BinaryReader
  	 * @param fsih   the specified {@link FileSystemIndexHelper} that handles files
  	 * @param parent the parent directory in the specified FileSystemIndexHelper
  	 * @throws IOException
  	 */
  	public FFSVersionSection(BinaryReader reader, FileSystemIndexHelper<UEFIFile> fsih,
  			GFile parent) throws IOException {
  		super(reader);
  
  		buildNumber = reader.readNextShort();
  		versionString = reader.readNextUnicodeString((int) length() / 2);
  
  		// Add this section to the current FS.
  		fsih.storeFileWithParent(getName(), parent, -1, false, length(), this);
  	}
  
  	/**
  	 * Returns the build number for the current version section.
  	 *
  	 * @return the build number for the current version section
  	 */
  	public short getBuildNumber() {
  		return buildNumber;
  	}
  
  	/**
  	 * Returns the length of the version section header.
  	 *
  	 * @return the length of the version section header
  	 */
  	@Override
  	public int getHeaderLength() {
  		return UEFIFFSConstants.FFS_SECTION_HEADER_SIZE + 2;
  	}
  
  	/**
  	 * Returns the version string for the current version section.
  	 *
  	 * @return the version string for the current version section
  	 */
  	public String getVersionString() {
  		return versionString;
  	}
  
  	/**
  	 * Returns the length of the body in the current version section.
  	 *
  	 * @return the length of the body in the current version section
  	 */
  	@Override
  	public long length() {
  		return super.length() - 2;
  	}
  
  	/**
  	 * Returns FileAttributes for the current version section.
  	 *
  	 * @return FileAttributes for the current version section
  	 */
  	public FileAttributes getFileAttributes() {
  		FileAttributes attributes = super.getFileAttributes();
  		attributes.add("Version String", versionString);
  		return attributes;
  	}
  }
  