// main function to archivate
private bool Archivate(Session session, int id, bool isPositional, bool isBlock)
{
var watch = new Stopwatch();
watch.Start();
var dictionary = new List <string>();
// var encodedText = new List<string>();
var encodedBuilder = new StringBuilder();
//READ file
var sourceText = FileManipulator.ReadFile(openFD.FileName);
if (sourceText.Contains(FieldDelimeterChar) || sourceText.Contains(ValueDelimeterChar))
{
if (MessageBox.Show(
text: "Файл содержит спец.символы, которые приведут к потере данных при дешифровке.\nПродолжить?",
caption: "Внимание!",
buttons: MessageBoxButtons.YesNo,
icon: MessageBoxIcon.Error
) == DialogResult.No)
{
return(false);
}
}
if (string.IsNullOrEmpty(sourceText))
{
SetStatusMessage("Empty source");
return(false);
}
int step = isBlock ? session.ElementLength : 1;
SetStatusMessage("Text spliting");
var splittedText = StringManipulator.SplitText(sourceText, step, session.ElementLength, dictionary);
SetStatusMessage("Dictionary building");
List <string> encodedDictionary = isPositional
? CodeSimplifier.BuildCode(dictionary, session)
: HaffmanCode.BuildCode(splittedText, dictionary, session);
SetStatusMessage("Arc info building");
encodedBuilder.Append("TYPE=arc17" + FieldDelimeterChar);
encodedBuilder.Append(session.IsBlock ? "1" + FieldDelimeterChar : "0" + FieldDelimeterChar);
encodedBuilder.Append(session.ElementLength.ToString() + FieldDelimeterChar);
for (int i = 0; i < encodedDictionary.Count; i++)
{
encodedBuilder.Append(dictionary[i] + ValueDelimeterChar + encodedDictionary[i] + FieldDelimeterChar);
}
session.InfoLength = encodedBuilder.Length;
SetStatusMessage("Text encoding");
for (int m = 0; m < splittedText.Count; m++)
{
int index = dictionary.IndexOf(splittedText[m]);
string stringCode = encodedDictionary[index];
encodedBuilder.Append(stringCode);
}
SetStatusMessage("Encoded file writing");
FileManipulator.WriteFile(
encodedBuilder.ToString(),
FileManipulator.DoFileName(openFD.FileName, id, ".arc17"),
rewriteFilesToolStripMenuItem.Checked);
session.SourceLength = sourceText.Length;
session.DestinationLength = encodedBuilder.ToString().Length;
/*
* SetStatusMessage("Decoding");
*
* // if (elementType is Blocks)
* if (radioBlocks.Checked)
* {
* for (int k = 0; k < encodedText.Count; k++)
* {
* int index = encodedDictionary.IndexOf(encodedText[k]);
* decodedText += dictionary[index];
* SetProgressValue((int)(100 * k / session.SourceLength));
* }
* // fileout = Path.GetDirectoryName(openFD.FileName) + @"\decodedBlock" + openFD.SafeFileName;
*
* //fileout = id > 0 ? fileout.Replace(Path.GetFileNameWithoutExtension(fileout), Path.GetFileNameWithoutExtension(fileout) + id) : fileout;
* FileManipulator.WriteFile(decodedText,
* FileManipulator.DoFileName(openFD.FileName, id),
* rewriteFilesToolStripMenuItem.Checked);
* }
* else //elementType is L-grams
* {
* decodedText += dictionary[encodedDictionary.IndexOf(encodedText[0])];
* for (int i = 1; i < encodedText.Count; i++)
* {
* int index = encodedDictionary.IndexOf(encodedText[i]);
* string t = dictionary[index];
* t = t.Substring(session.ElementLength - 1, 1);
* decodedText += t;
* }
*
* FileManipulator.WriteFile( decodedText,
* FileManipulator.DoFileName(openFD.FileName, id),
* rewriteFilesToolStripMenuItem.Checked);
* }
*/
SetStatusMessage("Finished");
SetProgressValue(0);
watch.Stop();
session.TimeSpent = watch.Elapsed;
return(true);
}
//old sample arc + dearc
private bool OldArchivate(Session session, int id)
{
var watch = new Stopwatch();
watch.Start();
var dictionary = new List <string>();
var encodedText = new List <string>();
var encodedBuilder = new StringBuilder();
var decodedText = string.Empty;
//READ file
var sourceText = FileManipulator.ReadFile(openFD.FileName);
if (string.IsNullOrEmpty(sourceText))
{
SetStatusMessage("Empty source");
return(false);
}
int step = radioBlocks.Checked ? session.ElementLength : 1;
SetStatusMessage("Text spliting");
var splittedText = StringManipulator.SplitText(sourceText, step, session.ElementLength, dictionary);
SetStatusMessage("Dictionary building");
List <string> encodedDictionary = radioPositional.Checked
? CodeSimplifier.BuildCode(dictionary, session)
: HaffmanCode.BuildCode(splittedText, dictionary, session);
SetStatusMessage("Arc info building");
encodedBuilder.Append("TYPE=arc17" + FieldDelimeterChar);
encodedBuilder.Append(session.IsPositional ? "1" + FieldDelimeterChar : "0" + FieldDelimeterChar);
encodedBuilder.Append(session.IsBlock ? '1' : '0');
for (int i = 0; i < encodedDictionary.Count; i++)
{
encodedBuilder.Append('|' + dictionary[i] + '=' + encodedDictionary[i]);
}
session.InfoLength = encodedBuilder.Length;
SetStatusMessage("Text encoding");
for (int m = 0; m < splittedText.Count; m++)
{
int index = dictionary.IndexOf(splittedText[m]);
string stringCode = encodedDictionary[index];
encodedText.Add(stringCode);
encodedBuilder.Append(stringCode);
}
SetStatusMessage("Encoded file writing");
FileManipulator.WriteFile(
encodedBuilder.ToString(),
FileManipulator.DoFileName(openFD.FileName, id, ".arc17"),
rewriteFilesToolStripMenuItem.Checked);
session.SourceLength = sourceText.Length;
session.DestinationLength = encodedBuilder.ToString().Length;
SetStatusMessage("Decoding");
// if (elementType is Blocks)
if (radioBlocks.Checked)
{
for (int k = 0; k < encodedText.Count; k++)
{
int index = encodedDictionary.IndexOf(encodedText[k]);
decodedText += dictionary[index];
SetProgressValue((int)(100 * k / session.SourceLength));
}
// fileout = Path.GetDirectoryName(openFD.FileName) + @"\decodedBlock" + openFD.SafeFileName;
//fileout = id > 0 ? fileout.Replace(Path.GetFileNameWithoutExtension(fileout), Path.GetFileNameWithoutExtension(fileout) + id) : fileout;
FileManipulator.WriteFile(decodedText,
FileManipulator.DoFileName(openFD.FileName, id),
rewriteFilesToolStripMenuItem.Checked);
}
else //elementType is L-grams
{
decodedText += dictionary[encodedDictionary.IndexOf(encodedText[0])];
for (int i = 1; i < encodedText.Count; i++)
{
int index = encodedDictionary.IndexOf(encodedText[i]);
string t = dictionary[index];
t = t.Substring(session.ElementLength - 1, 1);
decodedText += t;
}
FileManipulator.WriteFile(decodedText,
FileManipulator.DoFileName(openFD.FileName, id),
rewriteFilesToolStripMenuItem.Checked);
}
SetStatusMessage("Finished");
SetProgressValue(0);
watch.Stop();
session.TimeSpent = watch.Elapsed;
return(true);
}