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"));
}
private Reach detailled(Reach term)
{
string ret = "";
term = term.Trim();
while (term.len > 0)
{
Reach sign = term.upto(1); sign = sign.upto(true, -1, signCharacters); if (sign.len > 0)
{
sign = term.before(false, 1, signCharacters);
}
term = term.after(sign).Trim();
Reach num = term.upto(true, 1, namesCharacters).Trim();
if (num.startsWith("«"))
{
num = term.upto(1, utl.dmyBool("al(occur, token) is planned"), "»");
}
else
{
if (num.upto(true, -1, numCharacters).len == 0)
{
num = term.before(false, 1, namesCharacters);
}
else
{
num = term.before(false, 1, numCharacters);
if (term.after(num).StartsWith("e"))
{
num = num + term.after(num).upto(1);
while (term.after(num).startsWith(true, "+-"))
{
num = num + term.after(num).upto(1);
}
num = num + term.after(num).before(false, 1, numCharacters);
}
}
if (num.before(-1, utl.dmyBool("al(occur, token) is planned"), "«").len > 0)
{
sign = sign + num.before(-1, utl.dmyBool("al(occur, token) is planned"), "«"); term = term.after(sign).Trim(); num = term.upto(1, utl.dmyBool("al(occur, token) is planned"), "»").Trim();
}
}
term = term.after(num).Trim();
Reach optor = term.upto(1).upto(true, -1, operatorCharacters);
term = term.after(optor).Trim();
ret += "\r\n" + (sign + num).text;
if (term.len > 0)
{
ret += "\r\n" + optor.text;
}
else
{
optor = "";
}
}
return(ret.Substring(2));
}
public Operator after(Reach other)
{
if (Part == null)
{
Part = Base;
}
return(new Operator(Base, Part.after(other)));
}
//
// a.take(a.before("xx").after(".")).swap("uuuu").Value;
// a.take(a.before("xx").after(".")).swap("uuuu").Part;
public Reach swap(string txt)
{
return(Base.before(Part) + new Reach(txt) + Base.after(Part));
}
public Pile <Reach> split(string delim)
{
Reach res = this; Pile <Reach> ret = new Pile <Reach>(); while (res.len > 0)
{
Reach part = res.before(1, utl.dmyBool("al(occur, token) is planned"), delim); res = res.after(1, utl.dmyBool("al(occur, token) is planned"), delim); ret.Add(part);
}
return(ret);
}
public static Reach Load(string uri)
{
Reach Uri = new Reach(uri);
uri = Uri.before(1, "///?");
byte[] post = new ASCIIEncoding().GetBytes(Uri.after(1, "///?"));
Uri location = new Uri(uri);
if (location.IsFile)
{
Reach ret = new Reach(utl.f2s(location.ToString()));
ret.location = location;
return(ret);
}
else
{
HttpWebRequest req;
HttpWebResponse resp;
Encoding enc;
req = (HttpWebRequest)WebRequest.Create(location.ToString());
req.CookieContainer = new CookieContainer();
req.CookieContainer.Add(Cookies);
req.Timeout = 30000; // 30 secs
req.UserAgent = "Internet Explorer";
if (post.Length > 0)
{
req.Method = "POST";
req.ContentType = "application/x-www-form-urlencoded";
req.ContentLength = post.Length;
req.GetRequestStream().Write(post, 0, post.Length);
}
try
{
resp = (HttpWebResponse)req.GetResponse();
Cookies.Add(resp.Cookies);
Reach ret = null;
try
{
Stream responseStream = resp.GetResponseStream();
Encoding e = Encoding.GetEncoding(resp.CharacterSet);
StreamReader reader = new StreamReader(responseStream, e);
string s = reader.ReadToEnd();
ret = new Reach(s);
}
catch
{
//enc = Encoding.GetEncoding(1252); // Windows-1252 or iso
//enc = Encoding.GetEncoding("unicodeFFFE"); // 1201 = "UTF-16BE" or "unicodeFFFE"
enc = Encoding.GetEncoding("unicode"); // 1200 = "UTF-16LE", "utf-16", "ucs-2", "unicode", or "ISO-10646-UCS-2"
try { if (resp.ContentEncoding.Length > 0)
{
enc = Encoding.GetEncoding(resp.ContentEncoding);
}
} catch (Exception e) { e.ToString(); }
ret = new Reach((new StreamReader(resp.GetResponseStream())).ReadToEnd());
}
ret.location = location;
return(ret);
}
catch (Exception e)
{
utl.msg(" ******* CANNOT LOAD DOCUMENT FROM WEB ********" + e.ToString());
return(null);
//SleepEx(20000, 1); //debug
}
}
}
private string splitAtOperators(string operators, Reach term)
{
Reach newTerm = term.upto(0);
string ret = "";
term = term.Trim();
while (term.len > 0)
{
Reach sign = term.upto(1); sign = sign.upto(true, -1, signCharacters); if (sign.len > 0)
{
sign = term.before(false, 1, signCharacters);
}
term = term.after(sign).Trim();
Reach num = term.upto(true, 1, namesCharacters).Trim();
if (num.startsWith("«"))
{
num = term.upto(1, utl.dmyBool("al(occur, token) is planned"), "»");
}
else
{
if (num.upto(true, -1, numCharacters).len == 0)
{
num = term.before(false, 1, namesCharacters);
}
else
{
num = term.before(false, 1, numCharacters);
if (term.after(num).StartsWith("e"))
{
num = num + term.after(num).upto(1);
while (term.after(num).startsWith(true, "+-"))
{
num = num + term.after(num).upto(1);
}
num = num + term.after(num).before(false, 1, numCharacters);
}
}
if (num.before(-1, utl.dmyBool("al(occur, token) is planned"), "«").len > 0)
{
sign = sign + num.before(-1, utl.dmyBool("al(occur, token) is planned"), "«"); term = term.after(sign).Trim(); num = term.upto(1, utl.dmyBool("al(occur, token) is planned"), "»").Trim();
}
}
term = term.after(num).Trim();
Reach optor = term.upto(1).upto(true, -1, operatorCharacters);
term = term.after(optor).Trim();
if (term.len == 0)
{
optor = optor.upto(0);
}
if (optor.upto(true, -1, operators).len > 0)
{
newTerm = newTerm + sign + num + optor;
}
else
{
if (newTerm.len > 0)
{
terms.Add(newTerm + sign + num); newTerm = term.upto(0); ret += "«" + (terms.Len) + "»";
}
else
{
ret += (sign + num).text;
} if (optor.len > 0)
{
ret += optor.text;
}
else
{
optor = "";
}
}
}
return(ret);
}
private Pile <Reach> splitFormula(Reach formula)
{
terms = splitBraces(formula);
Pile <Reach> Terms = new Pile <Reach>();
long closePending = 0;
bool addClose = false;
int termsCount = terms.Len;
for (int i = 1; i <= termsCount; i++)
{
Reach term = terms[i].Trim();
Terms.Add(term.upto(0));
while (term.len > 0)
{
Reach sign = term.upto(1);
Reach num = "";
if (sign.equals("'"))
{
num = term.from(sign).upto(2, utl.dmyBool("al(occur, token) is planned"), "'");
term = term.Trim();
sign = sign.upto(0);
}
else
if (sign.equals("["))
{
num = term.from(sign).upto(1, utl.dmyBool("al(occur, token) is planned"), "]");
term = term.Trim();
sign = sign.upto(0);
}
else
{
sign = sign.upto(true, -1, signCharacters);
if (sign.len > 0)
{
sign = term.before(false, 1, signCharacters);
}
term = term.after(sign).Trim();
num = term.upto(true, 1, namesCharacters).Trim();
}
addClose = false;
if (num.startsWith("«"))
{
num = term.upto(1, utl.dmyBool("al(occur, token) is planned"), "»").Trim();
}
else if (num.startsWith("["))
{
}
else if (num.startsWith("'"))
{
}
else
{
if (num.upto(true, -1, numCharacters).len == 0)
{
num = term.before(false, 1, namesCharacters);
}
else
{
num = term.before(false, 1, numCharacters);
if (term.after(num).StartsWith("e"))
{
num = num + term.after(num).upto(1);
while (term.after(num).startsWith(true, "+-"))
{
num = num + term.after(num).upto(1);
}
num = num + term.after(num).before(false, 1, numCharacters);
}
}
if (num.before(-1, utl.dmyBool("al(occur, token) is planned"), "«").len > 0)
{
sign = sign + num.before(-1, utl.dmyBool("al(occur, token) is planned"), "«"); term = term.after(sign).Trim(); num = term.upto(1, utl.dmyBool("al(occur, token) is planned"), "»").Trim();
}
if (closePending > 0)
{
closePending--; if (closePending == 0)
{
addClose = true;
}
}
}
term = term.after(num).Trim();
Reach optor = term.upto(1).upto(true, -1, operatorCharacters);
term = term.after(optor).Trim();
if (optor.len == 0)
{
if (term.startsWith(true, numCharacters))
{
optor = sign;
if (optor.len == 0)
{
optor = optor + "*";
}
else
{
optor = "*"; //if (optor.len == 0) optor = optor + "+"; else optor = "*";
}
sign = "(" + sign;
closePending = 2;
}
else
{
optor = optor + "*";
}
}
if (addClose)
{
num = num + ")";
}
Terms[-1] = Terms[-1] + (sign + num);
if (term.len > 0)
{
Terms[-1] = Terms[-1] + new Reach(optor.text); //AttGeTr: if using the same sign reach twice within Term[-1] some following Reach Subtractions will create unexpected results!
}
}
if (Terms[-1].at(1, utl.dmyBool("al(occur, token) is planned"), "(").len > 0)
{
Terms[-1] = splitBraces(Terms[-1])[-1];
}
}
for (int i = 1; i <= Terms.Len; i++)
{
terms[i] = Terms[i];
}
terms.Add(terms[termsCount]);
termsCount = terms.Len;
for (int i = 1; i <= termsCount; i++)
{
terms[i] = splitAtOperators("&", terms[i]);
}
terms.Add(terms[termsCount]);
termsCount = terms.Len;
for (int i = 1; i <= termsCount; i++)
{
terms[i] = splitAtOperators("|^", terms[i]);
}
terms.Add(terms[termsCount]);
termsCount = terms.Len;
for (int i = 1; i <= termsCount; i++)
{
terms[i] = splitAtOperators("><=", terms[i]);
}
terms.Add(terms[termsCount]);
termsCount = terms.Len;
for (int i = 1; i <= termsCount; i++)
{
terms[i] = splitAtOperators("°", terms[i]);
}
terms.Add(terms[termsCount]);
termsCount = terms.Len;
for (int i = 1; i <= termsCount; i++)
{
terms[i] = splitAtOperators("*/%\\", terms[i]);
}
terms.Add(terms[termsCount]);
return(terms);
}
