protected int LastValidWord(Row row)
{
var comments = row.ToList().Where(w => w.Text.StartsWith("//"));
if (comments.Count() > 0) {
if (comments.Last().Index > 0) {
for (int i = (comments.Last().Index - 1); i > 0; i--) {
if (row[i].Text != " " && row[i].Text != "\t") { return i + 1; }
}
}
return comments.Last().Index;
}
return row.Count;
}
/// <summary>
/// Parses the row.
/// </summary>
/// <param name="row">The row.</param>
/// <returns></returns>
public ScriptLine ParseRow(Row row, ScriptFile file)
{
try {
var lastindex = LastValidWord(row);
var words = row.ToList().Where(w => w.Index < lastindex).ToList();
//Primary Validation
if (words.Count == 0) { return new ScriptLine(null, row.Index, row.Text, file); }
if (words.First().Text.StartsWith("/")) { return new ScriptLine(null, row.Index, row.Text, file); }
if (IsEmptyRow(row)) { return new ScriptLine(null, row.Index, row.Text, file); }
if (row.Text.StartsWith("#endsection")) { return new ScriptLine(null, row.Index, row.Text, file); }
//Section Validation
if (row.Text.StartsWith("#section")) {
var sectionName = row.Text.Replace("#section", "").TrimStart(' ').TrimEnd(' ');
if (!ScriptSections.Contains(sectionName)) {
ScriptSections.Add(sectionName);
return new ScriptLine(null, row.Index, row.Text, file);
}
else { SetError(row, "Duplicated section name."); return null; }
}
//Syntax Validation
if (words.Count < 3) { SetError(row, "Invalid expression."); return null; }
if (words[1].Text != "(") { SetError(row, "Invalid expression."); return null; }
if (words.Last().Text != ")") { SetError(row, "Invalid expression."); return null; }
//Brackets Validation.
if (CountChars(row.Text, '(') != CountChars(row.Text, ')')) { SetError(row, "You forgot to use the char ')' to close a function. Or otherwise used unnecessarily."); return null; }
if (CountChars(row.Text, '[') != CountChars(row.Text, ']')) { SetError(row, "You forgot to use the char ']' to close a player property. Or otherwise used unnecessarily."); return null; }
if (CountChars(row.Text, '{') != CountChars(row.Text, '}')) { SetError(row, "You forgot to use the char '}' to close a custom item. Or otherwise used unnecessarily."); return null; }
if (CountChars(row.Text, '\"') % 2 != 0) { SetError(row, "You forgot to use the char '\"' to close a text expression. Or otherwise used unnecessarily."); return null; }
//Null argument validation.
if (row.Text.IndexOf("((") > -1) { SetError(row, "Invalid expression '(('."); return null; }
if (row.Text.IndexOf("[[") > -1) { SetError(row, "Invalid expression '[['."); return null; }
if (row.Text.IndexOf("{{") > -1) { SetError(row, "Invalid expression '{{'."); return null; }
if (row.Text.IndexOf("[]") > -1) { SetError(row, "Invalid expression '[['."); return null; }
if (row.Text.IndexOf("{}") > -1) { SetError(row, "Invalid expression '{{'."); return null; }
if (row.Text.IndexOf(",,") > -1) { SetError(row, "Invalid expression ',,'."); return null; }
//Function Validation
if (ScriptActions.ContainsKey(words.First().Text)) {
var action = ScriptActions[words.First().Text];
var actionline = new ScriptLine(action, row.Index, row.Text, file);
var args = RemoveArgumentSpaces(GetFunctionArgument(row.Text).Split(new[] { ',' }));
//Argument Validation.
if ((action.Params == null || action.Params.Length > 0) && args.Length > 0) {
if (args.Length == 0) { SetError(row, "This function does not require arguments."); return null; }
}
if (action.Params != null && action.Params.Length > 0) {
if (args.Length == 0) { SetError(row, "This function requires one or more arguments."); return null; }
if (args.Length != action.Params.Length) { SetError(row, "Invalid number of arguments."); return null; }
actionline.Args = new string[args.Length];
for (int i = 0; i < args.Length; i++) {
#region "[rgn] String Argument Valdation "
if (action.Params[i].NeedQuotes && args[i].Contains("+")) {
var subparams = args[i].Split(new[] { '+' }, StringSplitOptions.RemoveEmptyEntries);
foreach (var sp in subparams) {
if (sp.StartsWith("getparam")) {
var spargs = GetFunctionArguments(sp);
if (spargs.Length != 2) {
SetError(row, "Invalid number of arguments to funcion getparam.");
return null;
}
if (!GetParams.ContainsKey(spargs[0])) { GetParams.Add(spargs[0], row); }
}
}
}
else if (!args[i].StartsWith("\"") && action.Params[i].NeedQuotes) {
if (!args[i].StartsWith("getparam") && !args[i].StartsWith("getvalue")) {
SetError(row, string.Format("The argument \"{0}\" of this function must be inside quotes. Ex. \"...\"", i.ToString()));
return null;
}
}
actionline.Args[i] = args[i];
#endregion
}
}
//Waypoint Validation.
if (actionline.FunctionText.ToLower() == "goto") {
var wp = new LocationKeyword();
if (wp.Parse(GetFunctionArgument(row.Text))) {
ScriptWayPoints.Add(row, wp);
}
else { SetError(row, "Invalid waypoint declaration."); }
}
//Parameter Validation
if (actionline.FunctionText.ToLower() == "setparam") {
var paramkey = actionline.Args[0].ToString().TrimStart(new[] { '"' }).TrimEnd(new[] { '"' });
var paramvalue = actionline.Args[1].ToString().TrimStart(new[] { '"' }).TrimEnd(new[] { '"' });
if (!ScriptParams.ContainsKey(paramkey)) { ScriptParams.Add(paramkey, paramvalue); }
}
foreach (var word in words) {
if (word.Text == "getparam") {
if (!ScriptParams.ContainsKey(row[word.Index + 3].Text)) {
SetError(row[word.Index + 3], string.Format("The parameter \"{0}\" was not found. You must call setparam(\"{0}\", value) before use it.", row[word.Index + 3].Text));
return null;
}
else { if (!GetParams.ContainsKey(row[word.Index + 3].Text)) { GetParams.Add(row[word.Index + 3].Text, row); } }
}
else if (word.Text == "gotoline") {
if (row[word.Index + 2].Text.ToInt32() >= Document.Lines.Length) {
SetError(word, string.Format("This script does not have the line \"{0}\".", row[word.Index + 2].Text));
return null;
}
}
else if (word.Text == "gotosection") {
if (!row.Document.Text.Contains(string.Format("#section {0}", row[word.Index + 2].Text))) {
SetError(row[word.Index + 2], string.Format("This script does not contains a section named \"{0}\".", row[word.Index + 2].Text));
return null;
}
}
else if (word.Text == "[") {
if (PlayerProperties.FindByInputText(row[word.Index + 1].Text.Trim().ToUpper()) == null) {
SetError(row[word.Index + 1], string.Format("The player property \"{0}\" does not exist.", row[word.Index + 1].Text));
return null;
}
}
else if (word.Text == "{") {
if (CustomItems.FindByInputText(row[word.Index + 1].Text.Trim().ToUpper()) == null) {
SetError(row[word.Index + 1], string.Format("The custom item \"{0}\" does not exist.", row[word.Index + 1].Text));
return null;
}
}
}
return actionline;
}
SetError(words.First(), string.Format("The function \"{0}\" does not exist.", words.First().Text)); return null;
}
catch (Exception ex) {
SetWarning(row, string.Format("Could not parse the row number \"{0}\"", row.Index + 1));
SetError(row, string.Format("Details: {0}", ex.Message));
return null;
}
}