/// <summary>
/// Builds the directory and file tree.
/// </summary>
/// <param name="currentDirectory">The current directory.</param>
/// <param name="currentDirectoryContent">The desired content of the current directory.</param>
/// <param name="records">All <see cref="GgpkRecord">records</see> from the ggpk archive used to find the references.</param>
private void BuildDirectoryTree(
GgpkDirectory currentDirectory,
IEnumerable <GgpkDirectoryRecordEntry> currentDirectoryContent,
IDictionary <ulong, GgpkRecord> records)
{
foreach (GgpkDirectoryRecordEntry recordEntry in currentDirectoryContent)
{
GgpkRecord referencedRecord = records[recordEntry.Offset];
if (referencedRecord is null)
{
throw new GgpkException($"Error while analyzing the ggpk archive file: no element found at offset {recordEntry.Offset}");
}
switch (referencedRecord)
{
case GgpkDirectoryRecord directoryRecord:
GgpkDirectory directory = new GgpkDirectory()
{
Name = directoryRecord.DirectoryName,
TimeStamp = recordEntry.TimeStamp,
Hash = directoryRecord.Hash,
Parent = currentDirectory,
ArchiveFileName = this.FileName
};
if (currentDirectory != null)
{
currentDirectory.Add(directory);
}
else
{
this.root = directory;
}
this.BuildDirectoryTree(directory, directoryRecord.Entries, records);
break;
case GgpkFileRecord fileRecord:
GgpkFile file = new GgpkFile()
{
Name = fileRecord.FileName,
TimeStamp = recordEntry.TimeStamp,
Hash = fileRecord.Hash,
Offset = fileRecord.FileOffset,
Length = fileRecord.FileLength,
Parent = currentDirectory,
ArchiveFileName = this.FileName
};
currentDirectory.Add(file);
break;
case GgpkFreeRecord freeRecord:
break;
default:
throw new GgpkException($"Error while analyzing the ggpk archive file: no element of type directory or file found at offset {recordEntry.Offset}");
}
}
}
/// <summary>
/// Adds a file to the list of files.
/// </summary>
/// <param name="file">The file to add.</param>
public void Add(GgpkFile file)
{
this.files.Add(file);
}