| public static FindEndOfString ( String text, int start ) : int | ||
| text | String | |
| start | int | |
| return | int | |
public bool parseNext(ref string buffer, out string cmd)
{
for (int i = 0; i < buffer.Length; i++)
{
string c = buffer.Substring(i, 1);
if (c == "\"")
{
i = Utils.FindEndOfString(buffer, i + 1);
}
else if (c == ".")
{
int pTest;
if (i == buffer.Length - 1 || int.TryParse(buffer.Substring(i + 1, 1), out pTest) == false)
{
cmd = buffer.Substring(0, i);
buffer = buffer.Substring(i + 1).Trim();
return(true);
}
}
else if (c == "{")
{
i = Utils.BraceMatch(buffer, i);
if (i == -1)
{
cmd = "";
return(false);
}
}
}
cmd = "";
return(false);
}
private List <String> splitByListIgnoreBracket(String input, ref List <String> operators, bool returnIfOneElement)
{
String buffer = "";
String s;
List <String> retList = new List <string>();
for (int i = 0; i < input.Length; i++)
{
if (input[i] == '(')
{
int startI = i;
Utils.Balance(ref Text, ref i, ')');
buffer += Text.Substring(startI, i - startI + 1);
}
else if (input[i] == '"')
{
int startI = i;
i = Utils.FindEndOfString(Text, i + 1);
buffer += Text.Substring(startI, i - startI + 1);
}
else
{
s = MatchAt(ref input, i, operators);
if (s != null)
{
// TODO: If buffer empty, syntax error
retList.Add(buffer);
retList.Add(s);
buffer = "";
i += s.Length - 1;
}
else
{
buffer += input[i];
}
}
}
if (buffer.Trim() != "")
{
retList.Add(buffer);
}
if (returnIfOneElement)
{
return(retList);
}
else
{
return(retList.Count > 1 ? retList : null);
}
}
public string stripComment(string line)
{
for (var i = 0; i < line.Length; i++)
{
if (line[i] == '\"')
{
i = Utils.FindEndOfString(line, i + 1);
if (i == -1)
{
break;
}
}
else if (i < line.Length - 1 && line.Substring(i, 2) == "//")
{
return(line.Substring(0, i));
}
}
return(line);
}
public static string[] ProcessParams(string input)
{
String buffer = "";
List <String> output = new List <string>();
for (var i = 0; i < input.Length; i++)
{
char c = input[i];
if (c == '\"')
{
var prevI = i;
i = Utils.FindEndOfString(input, i + 1);
buffer += input.Substring(prevI, i - prevI + 1);
}
else
{
if (c == ',')
{
output.Add(buffer.Trim());
buffer = "";
}
else
{
buffer += c;
}
}
}
if (buffer.Trim().Length > 0)
{
output.Add(buffer.Trim());
}
return(output.ToArray());
}
private void processSymbols()
{
// Is the input empty?
if (String.IsNullOrEmpty(Text))
{
return;
}
// HEADING.. BY is now deprecated in favor of HEADING(x,y), but here it is if you're using it still
Text = Regex.Replace(Text, "HEADING ([ :@A-Za-z0-9\\.\\-\\+\\*/]+) BY ([ :@A-Za-z0-9\\.\\-\\+\\*/]+)", "HEADING($2,$1)", RegexOptions.IgnoreCase);
//enables scientific notation eg 6.6E-11 -> 6.6*10^-11
Text = Regex.Replace(Text, "(\\d)E([-+]{1}[0-9]+)", "$1*10^$2");
// Resource tags are now deprecated in favor of SHIP:ResourceName
Text = Regex.Replace(Text, "(\\s|^)<([a-zA-Z]+)>(\\s|$)", " SHIP:$2 ", RegexOptions.IgnoreCase);
// Is this JUST a matched symbol?
String s = MatchAt(ref Text, 0, allSymbols);
if (s != null && Text.Length == s.Length)
{
if (mathSymbols.Contains(s))
{
Type = TermTypes.MATH_OPERATOR;
}
else if (comparisonSymbols.Contains(s))
{
Type = TermTypes.COMPARISON_OPERATOR;
}
else if (booleanSymbols.Contains(s))
{
Type = TermTypes.BOOLEAN_OPERATOR;
}
return;
}
SubTerms = new List <Term>();
// If this is a parameter list, grab the parameters
if (Type == TermTypes.PARAMETER_LIST)
{
var parameterList = parseParameters(Text);
if (parameterList != null)
{
foreach (String param in parameterList)
{
SubTerms.Add(new Term(param));
}
}
return;
}
// Does this thing contain a boolean operation?
var booleanElements = splitByListIgnoreBracket(Text, ref booleanSymbols);
if (booleanElements != null)
{
Type = TermTypes.BOOLEAN;
foreach (String element in booleanElements)
{
if (booleanSymbols.Contains(element))
{
SubTerms.Add(new Term(element, TermTypes.BOOLEAN_OPERATOR));
}
else
{
SubTerms.Add(new Term(element));
}
}
return;
}
// Does this thing contain a comparison?
var comparisonElements = splitByListIgnoreBracket(Text, ref comparisonSymbols);
if (comparisonElements != null)
{
Type = TermTypes.COMPARISON;
foreach (String element in comparisonElements)
{
SubTerms.Add(new Term(element));
}
return;
}
// Does this thing contain an Index?
var listElements = splitByListIgnoreBracket(Text, ref listaccessSymbols);
if (listElements != null)
{
Type = TermTypes.INDEX;
foreach (var element in listElements)
{
if (listaccessSymbols.Contains(element))
{
SubTerms.Add(new Term(element, TermTypes.INDEX_OPERATOR));
}
else
{
SubTerms.Add(new Term(element));
}
}
return;
}
// Parse this as a normal term
String buffer = "";
for (int i = 0; i < Text.Length; i++)
{
s = MatchAt(ref Text, i, allSymbols);
if (s == null)
{
buffer += Text[i];
}
else if (s == "(")
{
int startI = i;
Utils.Balance(ref Text, ref i, ')');
if (buffer.Trim() != "")
{
string functionName = buffer.Trim();
buffer = "";
Term bracketTerm = new Term(Text.Substring(startI + 1, i - startI - 1), TermTypes.PARAMETER_LIST);
Term functionTerm = Merge(new Term(functionName), bracketTerm);
functionTerm.Type = TermTypes.FUNCTION;
SubTerms.Add(functionTerm);
}
else
{
SubTerms.Add(new Term(Text.Substring(startI + 1, i - startI - 1)));
}
}
else if (s == "\"")
{
int startI = i;
i = Utils.FindEndOfString(Text, i + 1);
buffer += Text.Substring(startI, i - startI + 1);
}
else if (s == ":")
{
int end = findEndOfSuffix(Text, i + 1);
String suffixName = Text.Substring(i + 1, end - i);
i += end - i;
if (buffer.Trim() != "")
{
SubTerms.Add(new Term(buffer.Trim()));
buffer = "";
}
if (SubTerms.Count > 0)
{
Term last = SubTerms.Last();
SubTerms.Remove(last);
Term structureTerm = Merge(last, new Term(suffixName, TermTypes.SUFFIX));
structureTerm.Type = TermTypes.STRUCTURE;
SubTerms.Add(structureTerm);
}
}
else if (s == "-")
{
if (buffer.Trim() != "" ||
(SubTerms.Count > 0 && SubTerms.Last().Type != TermTypes.MATH_OPERATOR &&
SubTerms.Last().Type != TermTypes.COMPARISON_OPERATOR))
{
// Not a sign, treat as operator
if (buffer.Trim() != "")
{
SubTerms.Add(new Term(buffer.Trim()));
}
SubTerms.Add(new Term(s));
buffer = "";
i += s.Length - 1;
}
else
{
buffer += Text[i];
}
}
else
{
if (buffer.Trim() != "")
{
SubTerms.Add(new Term(buffer.Trim()));
}
SubTerms.Add(new Term(s));
buffer = "";
i += s.Length - 1;
}
}
// If there's only one term, we're done!
if (SubTerms.Count == 0)
{
Type = TermTypes.FINAL;
return;
}
if (buffer.Trim() != "")
{
SubTerms.Add(new Term(buffer));
}
// If I end up with exactly one subTerm, then I AM that subterm. Exception: If I already have a special type
if (SubTerms.Count == 1 && this.Type == TermTypes.REGULAR)
{
Term child = SubTerms[0];
SubTerms.Clear();
CopyFrom(ref child);
}
}
public bool parseNext(ref string buffer, out string cmd, ref int lineCount, out int lineStart)
{
lineStart = -1;
for (int i = 0; i < buffer.Length; i++)
{
string c = buffer.Substring(i, 1);
if (lineStart < 0 && Regex.Match(c, "\\S").Success)
{
lineStart = lineCount;
}
else if (c == "\n")
{
lineCount++;
}
if (c == "\"")
{
i = Utils.FindEndOfString(buffer, i + 1);
if (i == -1)
{
cmd = "";
return(false);
}
}
else if (c == ".")
{
int pTest;
if (i == buffer.Length - 1 || int.TryParse(buffer.Substring(i + 1, 1), out pTest) == false)
{
cmd = buffer.Substring(0, i);
buffer = buffer.Substring(i + 1).Trim();
return(true);
}
}
else if (c == "{")
{
i = Utils.BraceMatch(buffer, i);
if (i == -1)
{
cmd = "";
return(false);
}
else
{
// Do you see a period after this right brace? If not, let's just pretend there is one ok?
if (!buffer.Substring(i + 1).StartsWith("."))
{
cmd = buffer.Substring(0, i + 1);
buffer = buffer.Substring(i + 1).Trim();
return(true);
}
}
}
}
cmd = "";
return(false);
}
