private Pile <Reach> splitBraces(Reach formula)
{
while (formula.at(1, utl.dmyBool("al(occur, token) is planned"), "(").len > 0)
{
Reach part = braces.upon(formula);
Reach lastPart = formula;
while (part.startsWith("("))
{
lastPart = part;
part = braces.upon(part.from(2));
}
if (lastPart.startsWith("("))
{
terms.Add(braces.on(lastPart).Trim());
}
else
{
terms.Add(lastPart.Trim());
}
formula = formula.RPW("«" + terms.Len + "»").at(lastPart);
}
if (formula.startsWith("("))
{
terms.Add(braces.on(formula).Trim());
}
else
{
terms.Add(formula.Trim());
}
return(terms);
}
private Reach extract(Reach source, bool includeTokens)
{
Reach ret = source.upto(0) + source.from(source.len + 1); // FromLeftToRight strategy Reach ret = source.from(source.len + 1)
for (long i = 1; i <= def.Length; i++)
{
long k = 1;
while ((k <= rpt[i - 1]) || ((rpt[i - 1] == 0) && (source.len > 0)))
{
Reach leadIn = source.at(1, utl.dmyBool("al(occur, token) is planned"), def[i - 1].Name);
if ((leadIn.len == 0) && (def[i - 1].Name.Length > 0))
{
return(ret);
}
if (includeTokens)
{
if (ret.len == 0)
{
ret = leadIn;
}
else
{
ret = ret + leadIn;
}
}
Reach res = source.after(leadIn);
Reach leadOut = null;
int occur = 0; // first we try the first closing bracelet, only in case that this will be a non-matching bracelet then wee will try the second, third, fourth etc. closing closing bracelet
do
{
occur++; for (int j = (def[i - 1]).Len; j > 0; j--)
{
Reach token = res.at(occur, utl.dmyBool("al(occur, token) is planned"), (def[i - 1])[j]); if (token.len > 0)
{
leadOut = token;
}
}
} while (nested[i - 1] && (res.upto(leadOut).at(-occur, utl.dmyBool("al(occur, token) is planned"), leadIn.text).len > 0));
if (leadOut != null)
{
res = res.before(leadOut);
}
if (leadOut == null)
{
return((ret.len == 0) ? res : ret + res);
}
if (ret.len == 0)
{
ret = includeTokens ? source.after(leadIn).upto(leadOut) : source.after(leadIn).before(leadOut);
}
else
{
ret = includeTokens ? ret + source.after(leadIn).upto(leadOut) : ret + source.after(leadIn).before(leadOut);
}
source = source.after(leadOut);
k++;
}
}
return(ret);
}
private static void selfTest()
{
selfTested = true;
Reach r1 = new Reach("ab");
Reach r2 = new Reach("..X--XX___XX,,XX");
Reach r3 = new Reach("aa bb cc ");
ass(r3.firstWord(" ").equals(""));
ass(r3.firstWord(" a").equals("aa "));
ass(r3.lastWord(" ").equals(" "));
ass(r2.upto(1, false, "X,", "X_", "X-").equals("..X-"));
ass(r2.upto(2, false, "X,", "X_", "X-").equals("..X--XX_"));
ass(r2.upto(3, false, "X,", "X_", "X-").equals("..X--XX___XX,"));
ass(r2.upto(-1, false, "X,", "X_", "X-").equals("..X--XX___XX,"));
ass(r2.upto(-2, false, "X,", "X_", "X-").equals("..X--XX_"));
ass(r2.upto(-3, false, "X,", "X_", "X-").equals("..X-"));
ass(r2.upto(1, false, ",XX", "_XX", "X-", "..").equals(".."));
ass(r2.upto(2, false, ",XX", "_XX", "X-", "..").equals("..X-"));
ass(r2.upto(3, false, ",XX", "_XX", "X-", "..").equals("..X--XX___XX"));
ass(r2.upto(-1, false, ",XX", "_XX", "X-", "..").equals("..X--XX___XX,,XX"));
ass(r2.upto(-2, false, ",XX", "_XX", "X-", "..").equals("..X--XX___XX"));
ass(r2.upto(-3, false, ",XX", "_XX", "X-", "..").equals("..X-"));
ass(r2.from(1, false, "X,", "X_", "X-").equals("X--XX___XX,,XX"));
ass(r2.from(2, false, "X,", "X_", "X-").equals("X___XX,,XX"));
ass(r2.from(3, false, "X,", "X_", "X-").equals("X,,XX"));
ass(r2.from(-1, false, "X,", "X_", "X-").equals("X,,XX"));
ass(r2.from(-2, false, "X,", "X_", "X-").equals("X___XX,,XX"));
ass(r2.from(-3, false, "X,", "X_", "X-").equals("X--XX___XX,,XX"));
ass(r2.from(1, false, ",XX", "_XX", "X-", "..").equals("..X--XX___XX,,XX"));
ass(r2.from(2, false, ",XX", "_XX", "X-", "..").equals("X--XX___XX,,XX"));
ass(r2.from(3, false, ",XX", "_XX", "X-", "..").equals("_XX,,XX"));
ass(r2.from(-1, false, ",XX", "_XX", "X-", "..").equals(",XX"));
ass(r2.from(-2, false, ",XX", "_XX", "X-", "..").equals("_XX,,XX"));
ass(r2.from(-3, false, ",XX", "_XX", "X-", "..").equals("X--XX___XX,,XX"));
ass(r1.upto(1).equals("a")); ass(r1.before(1).equals("")); ass(r1.from(1).equals("ab")); ass(r1.after(1).equals("b")); ass(r1.upto(-1).equals("ab")); ass(r1.before(-1).equals("a")); ass(r1.from(-1).equals("b")); ass(r1.after(-1).equals(""));
ass(r2.upto(2, true, "XX").equals("..X--XX___XX")); ass(r2.upto(2, true, "X").equals("..X--X")); ass(r2.upto(2, true, "XX", "X").equals("..X--X")); ass(r2.upto(2, true, "X", "XX").equals("..X--X")); ass(r2.upto(-2, true, "XX").equals("..X--XX___XX")); ass(r2.upto(-2, true, "X").equals("..X--XX___XX,,X")); ass(r2.upto(-2, true, "XX", "X").equals("..X--XX___XX,,X")); ass(r2.upto(-2, true, "X", "XX").equals("..X--XX___XX,,X"));
ass(r2.from(2, true, "XX").equals("XX,,XX")); ass(r2.from(2, true, "X").equals("XX___XX,,XX")); ass(r2.from(2, true, "XX", "X").equals("XX___XX,,XX")); ass(r2.from(2, true, "X", "XX").equals("XX___XX,,XX")); ass(r2.from(-2, true, "XX").equals("XX,,XX")); ass(r2.from(-2, true, "X").equals("XX")); ass(r2.from(-2, true, "XX", "X").equals("XX")); ass(r2.from(-2, true, "X", "XX").equals("XX"));
ass(r2.before(2, true, "XX").equals("..X--XX___")); ass(r2.before(2, true, "X").equals("..X--")); ass(r2.before(2, true, "XX", "X").equals("..X--")); ass(r2.before(2, true, "X", "XX").equals("..X--")); ass(r2.before(-2, true, "XX").equals("..X--XX___")); ass(r2.before(-2, true, "X").equals("..X--XX___XX,,")); ass(r2.before(-2, true, "XX", "X").equals("..X--XX___XX,,")); ass(r2.before(-2, true, "X", "XX").equals("..X--XX___XX,,"));
ass(r2.after(2, true, "XX").equals(",,XX")); ass(r2.after(2, true, "X").equals("X___XX,,XX")); ass(r2.after(2, true, "XX", "X").equals("X___XX,,XX")); ass(r2.after(2, true, "X", "XX").equals("X___XX,,XX")); ass(r2.after(-2, true, "XX").equals(",,XX")); ass(r2.after(-2, true, "X").equals("X")); ass(r2.after(-2, true, "XX", "X").equals("X")); ass(r2.after(-2, true, "X", "XX").equals("X"));
ass(r2.at(2, true, "XX").equals("XX")); ass(r2.at(2, true, "X").equals("X")); ass(r2.at(2, true, "XX", "X").equals("X")); ass(r2.at(2, true, "X", "XX").equals("X")); ass(r2.at(-2, true, "XX").equals("XX")); ass(r2.at(-2, true, "X").equals("X")); ass(r2.at(-2, true, "XX", "X").equals("X")); ass(r2.at(-2, true, "X", "XX").equals("X"));
}
public Operator at(Reach other)
{
if (Part == null)
{
Part = Base;
}
return(new Operator(Base, Part.at(other)));
}
private double eval(Reach term, KeyPile <string, Reach> values)
{
term = term.Trim();
if (term.startsWith("+"))
{
return(eval(term.from(2), values));
}
if (term.startsWith("-"))
{
return(-eval(term.from(2), values));
}
if (term.startsWith("!"))
{
return(not(eval(term.from(2), values)));
}
if (term.startsWith("«"))
{
return(eval(Int32.Parse(term.from(2).before(1, utl.dmyBool("al(occur, token) is planned"), "»").text), values));
}
if (term.startsWith(true, numCharacters))
{
return(parseDouble(term));
}
if (term.at(1, utl.dmyBool("al(occur, token) is planned"), "«").len == 0)
{
return(parseDouble(values[term.text]));
}
Reach function = term.XTR().before(1, utl.dmyBool("al(occur, token) is planned"), "«");
double ret = eval(Int32.Parse(term.from(2).before(1, utl.dmyBool("al(occur, token) is planned"), "»").text), values);
if (function.equals("abs"))
{
return(Math.Abs(ret));
}
if (function.equals("sign"))
{
return(Math.Sign(ret));
}
if (function.equals("round"))
{
return(Math.Round(ret));
}
if (function.equals("ceiling"))
{
return(Math.Ceiling(ret));
}
if (function.equals("floor"))
{
return(Math.Floor(ret));
}
if (function.equals("sqrt"))
{
return(Math.Sqrt(ret));
}
if (function.equals("exp"))
{
return(Math.Exp(ret));
}
if (function.equals("log"))
{
return(Math.Log(ret));
}
if (function.equals("sin"))
{
return(Math.Sin(ret));
}
if (function.equals("asin"))
{
return(Math.Asin(ret));
}
if (function.equals("cos"))
{
return(Math.Cos(ret));
}
if (function.equals("acos"))
{
return(Math.Acos(ret));
}
if (function.equals("tan"))
{
return(Math.Tan(ret));
}
if (function.equals("atan"))
{
return(Math.Atan(ret));
}
if (function.equals("sinh"))
{
return(Math.Sinh(ret));
}
if (function.equals("cosh"))
{
return(Math.Cosh(ret));
}
if (function.equals("tanh"))
{
return(Math.Tanh(ret));
}
return(0);
}
private string format(Reach term, KeyPile <string, Reach> values)
{
term = term.Trim();
if (term.startsWith("+"))
{
return(format(term.from(2), values));
}
if (term.startsWith("-"))
{
return("-" + format(term.from(2), values));
}
if (term.startsWith("!"))
{
return("!" + format(term.from(2), values));
}
if (term.startsWith("«"))
{
return(format(Int32.Parse(term.from(2).before(1, utl.dmyBool("al(occur, token) is planned"), "»").text), values));
}
if (term.startsWith(true, numCharacters))
{
return("" + parseDouble(term));
}
if (term.at(1, utl.dmyBool("al(occur, token) is planned"), "«").len == 0)
{
try { return("" + parseDouble(values[term.text])); } catch (Exception ex) { return(term.text.Trim()); }
}
Reach function = term.XTR().before(1, utl.dmyBool("al(occur, token) is planned"), "«");
string ret = format(Int32.Parse(term.from(2).before(1, utl.dmyBool("al(occur, token) is planned"), "»").text), values);
if (function.equals("abs"))
{
return("abs(" + ret + ")");
}
if (function.equals("sign"))
{
return("sign(" + ret + ")");
}
if (function.equals("round"))
{
return("round(" + ret + ")");
}
if (function.equals("ceiling"))
{
return("ceiling(" + ret + ")");
}
if (function.equals("floor"))
{
return("floor(" + ret + ")");
}
if (function.equals("sqrt"))
{
return("sqrt(" + ret + ")");
}
if (function.equals("exp"))
{
return("exp(" + ret + ")");
}
if (function.equals("log"))
{
return("log(" + ret + ")");
}
if (function.equals("sin"))
{
return("sin(" + ret + ")");
}
if (function.equals("asin"))
{
return("asin(" + ret + ")");
}
if (function.equals("cos"))
{
return("cos(" + ret + ")");
}
if (function.equals("acos"))
{
return("acos(" + ret + ")");
}
if (function.equals("tan"))
{
return("tan(" + ret + ")");
}
if (function.equals("atan"))
{
return("atan(" + ret + ")");
}
if (function.equals("sinh"))
{
return("sinh(" + ret + ")");
}
if (function.equals("cosh"))
{
return("cosh(" + ret + ")");
}
if (function.equals("tanh"))
{
return("tanh(" + ret + ")");
}
return("0");
}