public void AddLabel(int offset, Label label, bool overwrite)
{
// adding null label removes it
if (label == null)
{
if (Labels.ContainsKey(offset))
{
Labels.Remove(offset);
}
return;
}
if (overwrite)
{
if (Labels.ContainsKey(offset))
{
Labels.Remove(offset);
}
}
if (!Labels.ContainsKey(offset))
{
label.CleanUp();
Labels.Add(offset, label);
}
}
private void ImportLabelsFromCsv(bool replaceAll)
{
OpenFileDialog open = new OpenFileDialog();
open.Filter = "Comma Separated Value Files|*.csv|Text Files|*.txt|All Files|*.*";
var result = open.ShowDialog();
if (result != DialogResult.OK || open.FileName == "")
{
return;
}
var errLine = 0;
try
{
var newValues = new Dictionary <int, Label>();
var lines = Util.ReadLines(open.FileName).ToArray();
var validLabelChars = new Regex(@"^([a-zA-Z0-9_\-]*)$");
// NOTE: this is kind of a risky way to parse CSV files, won't deal with weirdness in the comments
// section.
for (var i = 0; i < lines.Length; i++)
{
var label = new Label();
errLine = i + 1;
SplitOnFirstComma(lines[i], out var labelAddress, out var remainder);
SplitOnFirstComma(remainder, out label.Name, out label.Comment);
label.CleanUp();
label.Name = label.Name.Trim();
if (!validLabelChars.Match(label.Name).Success)
{
throw new InvalidDataException("invalid label name: " + label.Name);
}
newValues.Add(int.Parse(labelAddress, NumberStyles.HexNumber, null), label);
}
// everything read OK, modify the existing list now. point of no return
if (replaceAll)
{
Project.Data.DeleteAllLabels();
}
ClearAndInvalidateDataGrid();
// this will call AddRow() to add items back to the UI datagrid.
foreach (var pair in newValues)
{
Project.Data.AddLabel(pair.Key, pair.Value, true);
}
}
catch (Exception ex)
{
MessageBox.Show(
"An error occurred while parsing the file.\n" + ex.Message +
(errLine > 0 ? $" (Check line {errLine}.)" : ""),
"Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}