private void btnProcess_Click(object sender, EventArgs e)
{
this.btnNewFile.Enabled = false;
this.progBar.Value = 0;
string delimiterString = (ddDelimiter.SelectedItem != null) ? ddDelimiter.SelectedItem.ToString() : ddDelimiter.Text;
char[] delimiter = Utility.GetDelimiter(delimiterString);
string[] strindexes = txtIndexes.Text.Split(',');
int[] indexes = new int[strindexes.Length];
for (short i = 0; i < indexes.Length; i++)
{
if (!Int32.TryParse(strindexes[i], out indexes[i]))
{
MessageBox.Show("Please ensure that all Indexes are Integers", "Invalid Indexes Values", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
}
if (rtbOutPutFile.Text.Length == 0)
{
MessageBox.Show("Please select an output file name", "Output needed", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
TrimmerData tData = new TrimmerData(rtbInputFile.Text, rtbOutPutFile.Text, indexes, delimiter, chkKeepBlank.Checked);
this.backgroundWorker1.RunWorkerAsync(tData);
}
private int ProcessSourceFile(TrimmerData tData, BackgroundWorker worker, DoWorkEventArgs e)
{
StringBuilder sb = new StringBuilder();
string line;
string[] delimited;
int currentLine = 0;
int lastLineEnd;
//Count the # of lines
int lineCount = 0;
using (StreamReader sr = File.OpenText(tData.SourceFile))
{
while (sr.ReadLine() != null)
{
lineCount++;
}
}
int tenPercent = Convert.ToInt32(lineCount * 0.1);
//Start processing the file
using (StreamReader sr = File.OpenText(tData.SourceFile))
{
while ((line = sr.ReadLine()) != null)
{
currentLine++;
bool keepLine = false;
delimited = line.Split(tData.Delimiter);
lastLineEnd = sb.Length;
for (short i = 0; i < tData.Indexes.Length; i++)
{
if (keepLine == false && delimited[tData.Indexes[i]].Trim().Length > 0)
{
keepLine = true;
}
sb.Append(delimited[tData.Indexes[i]] + tData.Delimiter[0].ToString());
}
if (keepLine)
{
sb.Length = sb.Length - 1;
sb.Append("\r\n");
}
else
{
sb.Length = lastLineEnd;
}
if (currentLine % tenPercent == 0)
{
worker.ReportProgress(currentLine);
File.AppendAllText(tData.DestinationFile, sb.ToString());
sb.Length = 0;
lastLineEnd = 0;
}
}
File.AppendAllText(tData.DestinationFile, sb.ToString());
sb.Length = 0;
tsslStatus.Text = "Complete. Lines Processed " + currentLine.ToString();
}
return(currentLine);
}
