public BrotliFileStructure Apply(byte[] bytes, BrotliDictionary dictionary)
{
var fileParameters = new BrotliFileParameters.Builder {
WindowSize = DetermineWindowSize(bytes),
Dictionary = dictionary
}.Build();
var compressionParameters = SetupCompressionParameters(bytes);
var bfs = new BrotliFileStructure(fileParameters);
var encoder = CreateEncoder(bytes, fileParameters);
var encodeInfo = new BrotliEncodeInfo(fileParameters, compressionParameters, bytes);
do
{
var(metaBlock, newEncodeInfo) = encoder.Encode(encodeInfo);
if (Transformers.Count == 0)
{
bfs.MetaBlocks.Add(metaBlock);
encodeInfo = newEncodeInfo;
}
else
{
var(transformedMetaBlocks, transformedState) = ApplyTransformerChain(encodeInfo.State, metaBlock, compressionParameters);
bfs.MetaBlocks.AddRange(transformedMetaBlocks);
encodeInfo = newEncodeInfo.WithState(transformedState);
}
}while(!encodeInfo.IsFinished);
FinalizeStructure(bfs);
return(bfs);
}
private void backgroundWorkerLoading_DoWork(object?sender, DoWorkEventArgs e)
{
BrotliDictionary dict = (BrotliDictionary)e.Argument;
IDictionaryFormat format = dict.Format;
IReadOnlyList <WordTransform> transforms = dict.Transforms;
DataTable table = new DataTable();
DataRowCollection rows = table.Rows;
int totalProgressPoints = format.WordLengths.Sum(format.WordCount);
int currentProgressPoints = 0;
int lastPercentReported = -1;
table.Columns.AddRange(new DataColumn[] { colLength, colIndex, colTransform, colText });
table.MinimumCapacity = totalProgressPoints * transforms.Count;
table.BeginLoadData();
foreach (int length in format.WordLengths)
{
for (int word = 0, count = format.WordCount(length); word < count; word++)
{
if (backgroundWorkerLoading.CancellationPending)
{
e.Cancel = true;
return;
}
byte[] bytes = dict.ReadRaw(length, word);
for (int transform = 0; transform < transforms.Count; transform++)
{
DataRow row = table.NewRow();
row[colLength] = length;
row[colIndex] = word;
row[colTransform] = transform;
row[colText] = Encoding.UTF8.GetString(transforms[transform].Process(bytes)).Replace(' ', FormatSpace).Replace("\r\n", FormatNewLine).Replace("\n", FormatNewLine).Replace("\r", "");
rows.Add(row);
}
++currentProgressPoints;
int percentProgress = (int)Math.Floor(100.0 * currentProgressPoints / totalProgressPoints);
if (lastPercentReported != percentProgress)
{
lastPercentReported = percentProgress;
backgroundWorkerLoading.ReportProgress(percentProgress, currentProgressPoints * transforms.Count);
}
}
}
table.EndLoadData();
e.Result = table.DefaultView;
}
public FormStaticDictionary(BrotliDictionary dict)
{
InitializeComponent();
dataGridViewWords.EnableDoubleBuffering();
backgroundWorkerLoading.RunWorkerAsync(dict);
}
private void OpenFileWithPipeline(BrotliDictionary dictionary, BrotliEncodePipeline pipeline)
{
OpenFileWith("Open File to Encode", fileName => fileGenerated.EncodeFile(fileName, pipeline, dictionary));
}
public Builder(BrotliFileParameters original){
WindowSize = original.WindowSize;
Dictionary = original.Dictionary;
}