private void addButton_Click(object sender, EventArgs e)
{
// check if form is filled out correctly
if (!isValidInput())
{
return;
}
// if so, add the rule (unless abort on collision).
// unless in edit mode
if (!editMode && printRuleDictionary.hasRule(matchTextBox.Text))
{
var overwriteDecision = MessageBox.Show(
$"There is already a rewrite rule matching {matchTextBox.Text}." +
" Do you want to replace this rule?",
"Rule already exists!",
MessageBoxButtons.YesNo,
MessageBoxIcon.Information);
if (overwriteDecision == DialogResult.No)
{
// do not close yet, as the user must have the possibility to correct the match value.
return;
}
}
printRuleDictionary.addRule(matchTextBox.Text, buildRuleFromForm());
DialogResult = DialogResult.OK;
Close();
}
private void importButton_Click(object sender, EventArgs e)
{
var dialog = new OpenFileDialog()
{
DefaultExt = ".csv",
Filter = "Comma separated Values (*.csv)|*.csv"
};
var dialogResult = dialog.ShowDialog();
if (dialogResult != DialogResult.OK)
{
return;
}
var inStream = new StreamReader(dialog.OpenFile());
var invalidLines = false;
while (!inStream.EndOfStream)
{
var line = inStream.ReadLine();
// skip empty lines
if (string.IsNullOrWhiteSpace(line))
{
continue;
}
var lines = line.Split(';');
// validate
if (lines.Length != 13)
{
invalidLines = true;
continue;
}
// parse bools & ints
bool printChildren;
bool associative;
bool indent;
int precedence;
int colorArgb;
if (!bool.TryParse(lines[5], out printChildren) ||
!bool.TryParse(lines[9], out associative) ||
!bool.TryParse(lines[12], out indent) ||
!int.TryParse(lines[11], out precedence) ||
!int.TryParse(lines[4], out colorArgb))
{
invalidLines = true;
continue;
}
// parse enums
PrintRule.LineBreakSetting prefixLinebreaks;
PrintRule.LineBreakSetting infixLinebreaks;
PrintRule.LineBreakSetting suffixLinebreaks;
PrintRule.ParenthesesSetting parenthesesSettings;
try
{
prefixLinebreaks = PrintRule.lineBreakSettingFromString(lines[6]);
infixLinebreaks = PrintRule.lineBreakSettingFromString(lines[7]);
suffixLinebreaks = PrintRule.lineBreakSettingFromString(lines[8]);
parenthesesSettings = PrintRule.parenthesesSettingsFromString(lines[10]);
}
catch (ArgumentException)
{
invalidLines = true;
continue;
}
printRuleDict.addRule(lines[0], new PrintRule
{
prefix = new Func <bool, string>(_ => lines[1]),
infix = new Func <bool, string>(_ => lines[2]),
suffix = new Func <bool, string>(_ => lines[3]),
color = Color.FromArgb(colorArgb),
printChildren = printChildren,
prefixLineBreak = prefixLinebreaks,
infixLineBreak = infixLinebreaks,
suffixLineBreak = suffixLinebreaks,
associative = associative,
parentheses = parenthesesSettings,
precedence = precedence,
indent = indent,
historyConstraints = new ConstraintType(),
isDefault = false,
isUserdefined = true
});
}
if (invalidLines)
{
MessageBox.Show("Some unparseable lines were skipped!",
"There were unparseable lines!", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
updateRulesList();
}
