public static TokenTree Parse(TextReader textReader, string defaultDirectory = null, string selector = null, bool ignoreErrors = false)
{
Parser parser = new Parser();
Reader reader = new Reader(textReader) {Options = {DefaultDirectory = defaultDirectory}};
if (!string.IsNullOrWhiteSpace(selector))
reader.Options.Selector = selector;
foreach (Line line in reader)
parser.AddLine(line, ignoreErrors);
return parser.ParsedTree;
}
public void SubstituteString(int length, string str)
{
Parser parser = new Parser();
ICollection<ISentenceItem> newIitems = parser.ParseIntoSentenceItems(str, Line);
ICollection<ISentenceItem> itemsToReplace = SentenceItems.ToList().FindAll(x => x.Length == length);
foreach (var item in itemsToReplace)
{
int insertIndex = SentenceItems.ToList().IndexOf(SentenceItems.ToList().Find(x => x.Value == item.Value));
SentenceItems = SentenceItems.Take(insertIndex).Concat(newIitems).Concat(SentenceItems.Skip(insertIndex + 1)).ToList();
}
}
private void Execute(object command)
{
string input = command.ToString();
try
{
if (input.StartsWith("#"))
{
string text = input.Substring(1).Trim();
if (text == "print" || text == "p")
{
PrintStructure();
}
else if (text.StartsWith("print "))
{
PrintExpression(text.Substring(5).Trim());
}
else if (text.StartsWith("p "))
{
PrintExpression(text.Substring(1).Trim());
}
else if (text.StartsWith("delete "))
{
DeleteItem(text.Substring(6).Trim());
}
else if (text.StartsWith("d "))
{
DeleteItem(text.Substring(1).Trim());
}
else if (text.StartsWith("deleteall "))
{
DeleteItems(text.Substring(9).Trim());
}
else if (text.StartsWith("da "))
{
DeleteItems(text.Substring(2).Trim());
}
else if (text.StartsWith("insert "))
{
InsertItem(text.Substring(6).Trim());
}
else if (text.StartsWith("i "))
{
InsertItem(text.Substring(1).Trim());
}
else if (text.StartsWith("save "))
{
SaveStructure(text.Substring(4).Trim());
}
else if (text.StartsWith("s "))
{
SaveStructure(text.Substring(1).Trim());
}
else if (text.StartsWith("read "))
{
ReadStructure(text.Substring(4).Trim());
}
else if (text.StartsWith("r "))
{
ReadStructure(text.Substring(1).Trim());
}
else if (text == "exit" || text == "x")
{
Application.Current.Shutdown();
}
else if (text == "clear" || text == "c")
{
_parser = new Parser();
}
else if (text == "clearhistory" || text == "ch")
{
ClearHistory();
}
else if (text == "help" || text == "h")
{
ShowHelp();
}
else
{
int count;
if (int.TryParse(text, out count) && count <= _historyList.Count && count > 0)
{
Execute(_historyList[count - 1]);
return;
}
UpdateOutput($"Invalid command: {text}");
}
}
else
{
TokenTree tree = _parser.AddLine(new Line(input));
UpdateOutput($"{tree.Key}: {tree.Value.Evaluate(new TokenTreeList(Tree), false)}");
}
Input = "";
UpdateHistory(input);
}
catch (Exception ex)
{
UpdateOutput(ex.Message);
}
CommandEntered = true;
}
private void UpdateTextColor(FilterName[] filterNames)
{
if(parser == null) {
parser = new Parser(new ExpressionFilter());
}
else {
parser.FieldFilters.Clear();
}
int position = ExpressionText.SelectionStart;
ExpressionText.HideSelection = true;
ExpressionText.SuspendLayout();
// add filter names
Dictionary<string, FilterName> filterDictionary = new Dictionary<string, FilterName>();
for(int i = 0; i < filterNames.Length; i++) {
parser.FieldFilters.Add(filterNames[i].Name);
if(filterDictionary.ContainsKey(filterNames[i].Name) == false) {
filterDictionary.Add(filterNames[i].Name, filterNames[i]);
}
}
parser.Text = ExpressionText.Text + " ";
parser.InitParsing();
TextBlock? block = parser.GetNextBlock();
StringBuilder builder = new StringBuilder();
StringBuilder textBuilder = new StringBuilder(ExpressionText.Text);
int diff = 0;
builder.Append("{\\rtf1\\ansi\\deff0");
// color table
//
// 1 2 3 4 5
// colors: black, blue, red, dark violet, gray
builder.Append("{\\colortbl;\\red0\\green0\\blue0;\\red0\\green0\\blue255;\\red255\\green0\\blue0;\\red148\\green0\\blue211;\\red128\\green128\\blue128;}");
// parse the text
while(block.HasValue) {
TextBlock b = block.Value;
if(b.Type == TextBlockType.Keyword) {
/*ExpressionText.SelectionStart = b.StartIndex;
ExpressionText.SelectionLength = b.EndIndex - b.StartIndex + 1;
ExpressionText.SelectionColor = Color.DarkViolet;*/
if(b.EndIndex - b.StartIndex > 0) {
textBuilder.Replace(b.Text, "\\highlight0\\cf4" + b.Text, diff + b.StartIndex, b.EndIndex - b.StartIndex);
diff += 15;
}
}
else if(b.Type == TextBlockType.Field) {
int color = 5;
/*ExpressionText.SelectionStart = b.StartIndex;
ExpressionText.SelectionLength = b.EndIndex - b.StartIndex;
*/
// set color
if(filterDictionary.ContainsKey(b.Text) == false ||
(filterDictionary.ContainsKey(b.Text) && filterDictionary[b.Text].Enabled == false)) {
//ExpressionText.SelectionColor = Color.Gray;
color = 5;
}
else {
//ExpressionText.SelectionColor = Color.Blue;
color = 2;
}
// append
if(b.EndIndex - b.StartIndex > 0) {
textBuilder.Replace(b.Text, "\\highlight0\\cf" + color.ToString() + b.Text, diff + b.StartIndex, b.EndIndex - b.StartIndex);
diff += 15;
}
}
else if(ContainsParantesis(b.Text) == false &&
ContainsName(b.Text, filterNames) == false) {
/*// mark as error
ExpressionText.SelectionStart = b.StartIndex;
ExpressionText.SelectionLength = b.EndIndex - b.StartIndex;
ExpressionText.SelectionBackColor = Color.LightCoral;*/
if(b.EndIndex - b.StartIndex > 0) {
textBuilder.Replace(b.Text, "\\highlight0\\cf3" + b.Text, diff + b.StartIndex, b.EndIndex - b.StartIndex);
diff += 15;
}
}
else {
// unknown
if(b.EndIndex - b.StartIndex > 0) {
textBuilder.Replace(b.Text, "\\highlight0\\cf1" + b.Text, diff + b.StartIndex, b.EndIndex - b.StartIndex);
diff += 15;
}
}
block = parser.GetNextBlock();
}
updatingColor = true;
builder.Append(textBuilder.ToString());
ExpressionText.Rtf = builder.ToString();
ExpressionText.SelectionStart = position;
ExpressionText.SelectionLength = 0;
updatingColor = false;
}