private Object getAfterEvent(string inString) // Textual identifier for after event, such // as "after#6". { if (!inString.StartsWith("after#")) { return(null); } StrtoulResult res = Util.strtoul(inString, 6, 10); if (res.errno != 0) { return(null); } for (int i = 0; i < assocData.handlers.Count; i++) { Object obj = assocData.handlers[i]; if (obj is TimerInfo) { if (((TimerInfo)obj).id == res.value) { return(obj); } } else { if (((IdleInfo)obj).id == res.value) { return(obj); } } } return(null); }
public void traceProc(Interp interp, string name1, string name2, TCL.VarFlag flags) { // If the variable is unset, then recreate the trace and restore // the default value of the format string. if ((flags & TCL.VarFlag.TRACE_UNSETS) != 0) { if (((flags & TCL.VarFlag.TRACE_DESTROYED) != 0) && ((flags & TCL.VarFlag.INTERP_DESTROYED) == 0)) { interp.traceVar(name1, name2, new PrecTraceProc(), TCL.VarFlag.GLOBAL_ONLY | TCL.VarFlag.TRACE_WRITES | TCL.VarFlag.TRACE_READS | TCL.VarFlag.TRACE_UNSETS); Util.precision = Util.DEFAULT_PRECISION; } return; } // When the variable is read, reset its value from our shared // value. This is needed in case the variable was modified in // some other interpreter so that this interpreter's value is // out of date. if ((flags & TCL.VarFlag.TRACE_READS) != 0) { interp.setVar(name1, name2, TclInteger.newInstance(Util.precision), flags & TCL.VarFlag.GLOBAL_ONLY); return; } // The variable is being written. Check the new value and disallow // it if it isn't reasonable. // // (ToDo) Disallow it if this is a safe interpreter (we don't want // safe interpreters messing up the precision of other // interpreters). TclObject tobj = null; try { tobj = interp.getVar(name1, name2, (flags & TCL.VarFlag.GLOBAL_ONLY)); } catch (TclException e) { // Do nothing when var does not exist. } string value; if (tobj != null) { value = tobj.ToString(); } else { value = ""; } StrtoulResult r = Util.strtoul(value, 0, 10); if ((r == null) || (r.value <= 0) || (r.value > TCL_MAX_PREC) || (r.value > 100) || (r.index == 0) || (r.index != value.Length)) { interp.setVar(name1, name2, TclInteger.newInstance(Util.precision), TCL.VarFlag.GLOBAL_ONLY); throw new TclException(interp, "improper value for precision"); } Util.precision = (int)r.value; }
internal static long getLong(Interp interp, string s) { int len = s.Length; bool sign; int i = 0; // Skip any leading blanks. while (i < len && System.Char.IsWhiteSpace(s[i])) { i++; } if (i >= len) { throw new TclException(interp, "expected integer but got \"" + s + "\""); } char c = s[i]; if (c == '-') { sign = true; i += 1; } else { if (c == '+') { i += 1; } sign = false; } StrtoulResult res = strtoul(s, i, 0); if (res.errno < 0) { if (res.errno == TCL.INTEGER_RANGE) { if (interp != null) { interp.setErrorCode(TclString.newInstance(intTooBigCode)); } throw new TclException(interp, "integer value too large to represent"); } else { throw new TclException(interp, "expected integer but got \"" + s + "\"" + checkBadOctal(interp, s)); } } else if (res.index < len) { for (i = res.index; i < len; i++) { if (!System.Char.IsWhiteSpace(s[i])) { throw new TclException(interp, "expected integer but got \"" + s + "\"" + checkBadOctal(interp, s)); } } } if (sign) { return((long)(-res.value)); } else { return((long)(res.value)); } }
/// <summary>---------------------------------------------------------------------- /// /// Tcl_StringObjCmd -> StringCmd.cmdProc /// /// This procedure is invoked to process the "string" Tcl command. /// See the user documentation for details on what it does. /// /// Results: /// None. /// /// Side effects: /// See the user documentation. /// /// ---------------------------------------------------------------------- /// </summary> public TCL.CompletionCode cmdProc(Interp interp, TclObject[] objv) { if (objv.Length < 2) { throw new TclNumArgsException(interp, 1, objv, "option arg ?arg ...?"); } int index = TclIndex.get(interp, objv[1], options, "option", 0); switch (index) { case STR_EQUAL: case STR_COMPARE: { if (objv.Length < 4 || objv.Length > 7) { throw new TclNumArgsException(interp, 2, objv, "?-nocase? ?-length int? string1 string2"); } bool nocase = false; int reqlength = -1; for (int i = 2; i < objv.Length - 2; i++) { string string2 = objv[i].ToString(); int length2 = string2.Length; if ((length2 > 1) && "-nocase".StartsWith(string2)) { nocase = true; } else if ((length2 > 1) && "-length".StartsWith(string2)) { if (i + 1 >= objv.Length - 2) { throw new TclNumArgsException(interp, 2, objv, "?-nocase? ?-length int? string1 string2"); } reqlength = TclInteger.get(interp, objv[++i]); } else { throw new TclException(interp, "bad option \"" + string2 + "\": must be -nocase or -length"); } } string string1 = objv[objv.Length - 2].ToString(); string string3 = objv[objv.Length - 1].ToString(); int length1 = string1.Length; int length3 = string3.Length; // This is the min length IN BYTES of the two strings int length = (length1 < length3)?length1:length3; int match; if (reqlength == 0) { // Anything matches at 0 chars, right? match = 0; } else if (nocase || ((reqlength > 0) && (reqlength <= length))) { // In Java, strings are always encoded in unicode, so we do // not need to worry about individual char lengths // Do the reqlength check again, against 0 as well for // the benfit of nocase if ((reqlength > 0) && (reqlength < length)) { length = reqlength; } else if (reqlength < 0) { // The requested length is negative, so we ignore it by // setting it to the longer of the two lengths. reqlength = (length1 > length3)?length1:length3; } if (nocase) { string1 = string1.ToLower(); string3 = string3.ToLower(); } match = System.Globalization.CultureInfo.InvariantCulture.CompareInfo.Compare(string1, 0, length, string3, 0, length, System.Globalization.CompareOptions.Ordinal); // match = string1.Substring(0, (length) - (0)).CompareTo(string3.Substring(0, (length) - (0))); if ((match == 0) && (reqlength > length)) { match = length1 - length3; } } else { match = System.Globalization.CultureInfo.InvariantCulture.CompareInfo.Compare(string1, 0, length, string3, 0, length, System.Globalization.CompareOptions.Ordinal); // ATK match = string1.Substring(0, (length) - (0)).CompareTo(string3.Substring(0, (length) - (0))); if (match == 0) { match = length1 - length3; } } if (index == STR_EQUAL) { interp.setResult((match != 0)?false:true); } else { interp.setResult(((match > 0)?1:(match < 0)?-1:0)); } break; } case STR_FIRST: { if (objv.Length < 4 || objv.Length > 5) { throw new TclNumArgsException(interp, 2, objv, "subString string ?startIndex?"); } string string1 = objv[2].ToString(); string string2 = objv[3].ToString(); int length2 = string2.Length; int start = 0; if (objv.Length == 5) { // If a startIndex is specified, we will need to fast // forward to that point in the string before we think // about a match. start = Util.getIntForIndex(interp, objv[4], length2 - 1); if (start >= length2) { interp.setResult(-1); return(TCL.CompletionCode.RETURN); } } if (string1.Length == 0) { interp.setResult(-1); } else { interp.setResult(string2.IndexOf(string1, start)); } break; } case STR_INDEX: { if (objv.Length != 4) { throw new TclNumArgsException(interp, 2, objv, "string charIndex"); } string string1 = objv[2].ToString(); int length1 = string1.Length; int i = Util.getIntForIndex(interp, objv[3], length1 - 1); if ((i >= 0) && (i < length1)) { interp.setResult(string1.Substring(i, (i + 1) - (i))); } break; } case STR_IS: { if (objv.Length < 4 || objv.Length > 7) { throw new TclNumArgsException(interp, 2, objv, "class ?-strict? ?-failindex var? str"); } index = TclIndex.get(interp, objv[2], isOptions, "class", 0); bool strict = false; TclObject failVarObj = null; if (objv.Length != 4) { for (int i = 3; i < objv.Length - 1; i++) { string string2 = objv[i].ToString(); int length2 = string2.Length; if ((length2 > 1) && "-strict".StartsWith(string2)) { strict = true; } else if ((length2 > 1) && "-failindex".StartsWith(string2)) { if (i + 1 >= objv.Length - 1) { throw new TclNumArgsException(interp, 3, objv, "?-strict? ?-failindex var? str"); } failVarObj = objv[++i]; } else { throw new TclException(interp, "bad option \"" + string2 + "\": must be -strict or -failindex"); } } } bool result = true; int failat = 0; // We get the objPtr so that we can short-cut for some classes // by checking the object type (int and double), but we need // the string otherwise, because we don't want any conversion // of type occuring (as, for example, Tcl_Get*FromObj would do TclObject obj = objv[objv.Length - 1]; string string1 = obj.ToString(); int length1 = string1.Length; if (length1 == 0) { if (strict) { result = false; } } switch (index) { case STR_IS_BOOL: case STR_IS_TRUE: case STR_IS_FALSE: { if (obj.InternalRep is TclBoolean) { if (((index == STR_IS_TRUE) && !TclBoolean.get(interp, obj)) || ((index == STR_IS_FALSE) && TclBoolean.get(interp, obj))) { result = false; } } else { try { bool i = TclBoolean.get(null, obj); if (((index == STR_IS_TRUE) && !i) || ((index == STR_IS_FALSE) && i)) { result = false; } } catch (TclException e) { result = false; } } break; } case STR_IS_DOUBLE: { if ((obj.InternalRep is TclDouble) || (obj.InternalRep is TclInteger)) { break; } // This is adapted from Tcl_GetDouble // // The danger in this function is that // "12345678901234567890" is an acceptable 'double', // but will later be interp'd as an int by something // like [expr]. Therefore, we check to see if it looks // like an int, and if so we do a range check on it. // If strtoul gets to the end, we know we either // received an acceptable int, or over/underflow if (Expression.looksLikeInt(string1, length1, 0)) { char c = string1[0]; int signIx = (c == '-' || c == '+')?1:0; StrtoulResult res = Util.strtoul(string1, signIx, 0); if (res.index == length1) { if (res.errno == TCL.INTEGER_RANGE) { result = false; failat = -1; } break; } } char c2 = string1[0]; int signIx2 = (c2 == '-' || c2 == '+')?1:0; StrtodResult res2 = Util.strtod(string1, signIx2); if (res2.errno == TCL.DOUBLE_RANGE) { // if (errno == ERANGE), then it was an over/underflow // problem, but in this method, we only want to know // yes or no, so bad flow returns 0 (false) and sets // the failVarObj to the string length. result = false; failat = -1; } else if (res2.index == 0) { // In this case, nothing like a number was found result = false; failat = 0; } else { // Go onto SPACE, since we are // allowed trailing whitespace failat = res2.index; for (int i = res2.index; i < length1; i++) { if (!System.Char.IsWhiteSpace(string1[i])) { result = false; break; } } } break; } case STR_IS_INT: { if (obj.InternalRep is TclInteger) { break; } bool isInteger = true; try { TclInteger.get(null, obj); } catch (TclException e) { isInteger = false; } if (isInteger) { break; } char c = string1[0]; int signIx = (c == '-' || c == '+')?1:0; StrtoulResult res = Util.strtoul(string1, signIx, 0); if (res.errno == TCL.INTEGER_RANGE) { // if (errno == ERANGE), then it was an over/underflow // problem, but in this method, we only want to know // yes or no, so bad flow returns false and sets // the failVarObj to the string length. result = false; failat = -1; } else if (res.index == 0) { // In this case, nothing like a number was found result = false; failat = 0; } else { // Go onto SPACE, since we are // allowed trailing whitespace failat = res.index; for (int i = res.index; i < length1; i++) { if (!System.Char.IsWhiteSpace(string1[i])) { result = false; break; } } } break; } default: { for (failat = 0; failat < length1; failat++) { char c = string1[failat]; switch (index) { case STR_IS_ASCII: result = c < 0x80; break; case STR_IS_ALNUM: result = System.Char.IsLetterOrDigit(c); break; case STR_IS_ALPHA: result = System.Char.IsLetter(c); break; case STR_IS_DIGIT: result = System.Char.IsDigit(c); break; case STR_IS_GRAPH: result = ((1 << (int)System.Char.GetUnicodeCategory(c)) & PRINT_BITS) != 0 && c != ' '; break; case STR_IS_PRINT: result = ((1 << (int)System.Char.GetUnicodeCategory(c)) & PRINT_BITS) != 0; break; case STR_IS_PUNCT: result = ((1 << (int)System.Char.GetUnicodeCategory(c)) & PUNCT_BITS) != 0; break; case STR_IS_UPPER: result = System.Char.IsUpper(c); break; case STR_IS_SPACE: result = System.Char.IsWhiteSpace(c); break; case STR_IS_CONTROL: result = (System.Char.GetUnicodeCategory(c) == System.Globalization.UnicodeCategory.Control); break; case STR_IS_LOWER: result = System.Char.IsLower(c); break; case STR_IS_WORD: result = ((1 << (int)System.Char.GetUnicodeCategory(c)) & WORD_BITS) != 0; break; case STR_IS_XDIGIT: result = "0123456789ABCDEFabcdef".IndexOf(c) >= 0; break; default: throw new TclRuntimeError("unimplemented"); } if (!result) { break; } } } break; } // Only set the failVarObj when we will return 0 // and we have indicated a valid fail index (>= 0) if ((!result) && (failVarObj != null)) { interp.setVar(failVarObj, TclInteger.newInstance(failat), 0); } interp.setResult(result); break; } case STR_LAST: { if (objv.Length < 4 || objv.Length > 5) { throw new TclNumArgsException(interp, 2, objv, "subString string ?startIndex?"); } string string1 = objv[2].ToString(); string string2 = objv[3].ToString(); int length2 = string2.Length; int start = 0; if (objv.Length == 5) { // If a startIndex is specified, we will need to fast // forward to that point in the string before we think // about a match. start = Util.getIntForIndex(interp, objv[4], length2 - 1); if (start < 0) { interp.setResult(-1); break; } else if (start < length2) { string2 = string2.Substring(0, (start + 1) - (0)); } } if (string1.Length == 0) { interp.setResult(-1); } else { interp.setResult(string2.LastIndexOf(string1)); } break; } case STR_BYTELENGTH: if (objv.Length != 3) { throw new TclNumArgsException(interp, 2, objv, "string"); } interp.setResult(Utf8Count(objv[2].ToString())); break; case STR_LENGTH: { if (objv.Length != 3) { throw new TclNumArgsException(interp, 2, objv, "string"); } interp.setResult(objv[2].ToString().Length); break; } case STR_MAP: { if (objv.Length < 4 || objv.Length > 5) { throw new TclNumArgsException(interp, 2, objv, "?-nocase? charMap string"); } bool nocase = false; if (objv.Length == 5) { string string2 = objv[2].ToString(); int length2 = string2.Length; if ((length2 > 1) && "-nocase".StartsWith(string2)) { nocase = true; } else { throw new TclException(interp, "bad option \"" + string2 + "\": must be -nocase"); } } TclObject[] mapElemv = TclList.getElements(interp, objv[objv.Length - 2]); if (mapElemv.Length == 0) { // empty charMap, just return whatever string was given interp.setResult(objv[objv.Length - 1]); } else if ((mapElemv.Length % 2) != 0) { // The charMap must be an even number of key/value items throw new TclException(interp, "char map list unbalanced"); } string string1 = objv[objv.Length - 1].ToString(); string cmpString1; if (nocase) { cmpString1 = string1.ToLower(); } else { cmpString1 = string1; } int length1 = string1.Length; if (length1 == 0) { // Empty input string, just stop now break; } // Precompute pointers to the unicode string and length. // This saves us repeated function calls later, // significantly speeding up the algorithm. string[] mapStrings = new string[mapElemv.Length]; int[] mapLens = new int[mapElemv.Length]; for (int ix = 0; ix < mapElemv.Length; ix++) { mapStrings[ix] = mapElemv[ix].ToString(); mapLens[ix] = mapStrings[ix].Length; } string[] cmpStrings; if (nocase) { cmpStrings = new string[mapStrings.Length]; for (int ix = 0; ix < mapStrings.Length; ix++) { cmpStrings[ix] = mapStrings[ix].ToLower(); } } else { cmpStrings = mapStrings; } TclObject result = TclString.newInstance(""); int p, str1; for (p = 0, str1 = 0; str1 < length1; str1++) { for (index = 0; index < mapStrings.Length; index += 2) { // Get the key string to match on string string2 = mapStrings[index]; int length2 = mapLens[index]; if ((length2 > 0) && (cmpString1.Substring(str1).StartsWith(cmpStrings[index]))) { if (p != str1) { // Put the skipped chars onto the result first TclString.append(result, string1.Substring(p, (str1) - (p))); p = str1 + length2; } else { p += length2; } // Adjust len to be full length of matched string str1 = p - 1; // Append the map value to the unicode string TclString.append(result, mapStrings[index + 1]); break; } } } if (p != str1) { // Put the rest of the unmapped chars onto result TclString.append(result, string1.Substring(p, (str1) - (p))); } interp.setResult(result); break; } case STR_MATCH: { if (objv.Length < 4 || objv.Length > 5) { throw new TclNumArgsException(interp, 2, objv, "?-nocase? pattern string"); } string string1, string2; if (objv.Length == 5) { string inString = objv[2].ToString(); if (!((inString.Length > 1) && "-nocase".StartsWith(inString))) { throw new TclException(interp, "bad option \"" + inString + "\": must be -nocase"); } string1 = objv[4].ToString().ToLower(); string2 = objv[3].ToString().ToLower(); } else { string1 = objv[3].ToString(); string2 = objv[2].ToString(); } interp.setResult(Util.stringMatch(string1, string2)); break; } case STR_RANGE: { if (objv.Length != 5) { throw new TclNumArgsException(interp, 2, objv, "string first last"); } string string1 = objv[2].ToString(); int length1 = string1.Length; int first = Util.getIntForIndex(interp, objv[3], length1 - 1); if (first < 0) { first = 0; } int last = Util.getIntForIndex(interp, objv[4], length1 - 1); if (last >= length1) { last = length1 - 1; } if (first > last) { interp.resetResult(); } else { interp.setResult(string1.Substring(first, (last + 1) - (first))); } break; } case STR_REPEAT: { if (objv.Length != 4) { throw new TclNumArgsException(interp, 2, objv, "string count"); } int count = TclInteger.get(interp, objv[3]); string string1 = objv[2].ToString(); if (string1.Length > 0) { TclObject tstr = TclString.newInstance(""); for (index = 0; index < count; index++) { TclString.append(tstr, string1); } interp.setResult(tstr); } break; } case STR_REPLACE: { if (objv.Length < 5 || objv.Length > 6) { throw new TclNumArgsException(interp, 2, objv, "string first last ?string?"); } string string1 = objv[2].ToString(); int length1 = string1.Length - 1; int first = Util.getIntForIndex(interp, objv[3], length1); int last = Util.getIntForIndex(interp, objv[4], length1); if ((last < first) || (first > length1) || (last < 0)) { interp.setResult(objv[2]); } else { if (first < 0) { first = 0; } string start = string1.Substring(first); int ind = ((last > length1)?length1:last) - first + 1; string end; if (ind <= 0) { end = start; } else if (ind >= start.Length) { end = ""; } else { end = start.Substring(ind); } TclObject tstr = TclString.newInstance(string1.Substring(0, (first) - (0))); if (objv.Length == 6) { TclString.append(tstr, objv[5]); } if (last < length1) { TclString.append(tstr, end); } interp.setResult(tstr); } break; } case STR_TOLOWER: case STR_TOUPPER: case STR_TOTITLE: { if (objv.Length < 3 || objv.Length > 5) { throw new TclNumArgsException(interp, 2, objv, "string ?first? ?last?"); } string string1 = objv[2].ToString(); if (objv.Length == 3) { if (index == STR_TOLOWER) { interp.setResult(string1.ToLower()); } else if (index == STR_TOUPPER) { interp.setResult(string1.ToUpper()); } else { interp.setResult(Util.toTitle(string1)); } } else { int length1 = string1.Length - 1; int first = Util.getIntForIndex(interp, objv[3], length1); if (first < 0) { first = 0; } int last = first; if (objv.Length == 5) { last = Util.getIntForIndex(interp, objv[4], length1); } if (last >= length1) { last = length1; } if (last < first) { interp.setResult(objv[2]); break; } string string2; System.Text.StringBuilder buf = new System.Text.StringBuilder(); buf.Append(string1.Substring(0, (first) - (0))); if (last + 1 > length1) { string2 = string1.Substring(first); } else { string2 = string1.Substring(first, (last + 1) - (first)); } if (index == STR_TOLOWER) { buf.Append(string2.ToLower()); } else if (index == STR_TOUPPER) { buf.Append(string2.ToUpper()); } else { buf.Append(Util.toTitle(string2)); } if (last + 1 <= length1) { buf.Append(string1.Substring(last + 1)); } interp.setResult(buf.ToString()); } break; } case STR_TRIM: { if (objv.Length == 3) { // Case 1: "string trim str" -- // Remove leading and trailing white space interp.setResult(objv[2].ToString().Trim()); } else if (objv.Length == 4) { // Case 2: "string trim str chars" -- // Remove leading and trailing chars in the chars set string tmp = Util.TrimLeft(objv[2].ToString(), objv[3].ToString()); interp.setResult(Util.TrimRight(tmp, objv[3].ToString())); } else { // Case 3: Wrong # of args throw new TclNumArgsException(interp, 2, objv, "string ?chars?"); } break; } case STR_TRIMLEFT: { if (objv.Length == 3) { // Case 1: "string trimleft str" -- // Remove leading and trailing white space interp.setResult(Util.TrimLeft(objv[2].ToString())); } else if (objv.Length == 4) { // Case 2: "string trimleft str chars" -- // Remove leading and trailing chars in the chars set interp.setResult(Util.TrimLeft(objv[2].ToString(), objv[3].ToString())); } else { // Case 3: Wrong # of args throw new TclNumArgsException(interp, 2, objv, "string ?chars?"); } break; } case STR_TRIMRIGHT: { if (objv.Length == 3) { // Case 1: "string trimright str" -- // Remove leading and trailing white space interp.setResult(Util.TrimRight(objv[2].ToString())); } else if (objv.Length == 4) { // Case 2: "string trimright str chars" -- // Remove leading and trailing chars in the chars set interp.setResult(Util.TrimRight(objv[2].ToString(), objv[3].ToString())); } else { // Case 3: Wrong # of args throw new TclNumArgsException(interp, 2, objv, "string ?chars?"); } break; } case STR_WORDEND: { if (objv.Length != 4) { throw new TclNumArgsException(interp, 2, objv, "string index"); } string string1 = objv[2].ToString(); char[] strArray = string1.ToCharArray(); int cur; int length1 = string1.Length; index = Util.getIntForIndex(interp, objv[3], length1 - 1); if (index < 0) { index = 0; } if (index >= length1) { interp.setResult(length1); return(TCL.CompletionCode.RETURN); } for (cur = index; cur < length1; cur++) { char c = strArray[cur]; if (((1 << (int)System.Char.GetUnicodeCategory(c)) & WORD_BITS) == 0) { break; } } if (cur == index) { cur = index + 1; } interp.setResult(cur); break; } case STR_WORDSTART: { if (objv.Length != 4) { throw new TclNumArgsException(interp, 2, objv, "string index"); } string string1 = objv[2].ToString(); char[] strArray = string1.ToCharArray(); int cur; int length1 = string1.Length; index = Util.getIntForIndex(interp, objv[3], length1 - 1); if (index > length1) { index = length1 - 1; } if (index < 0) { interp.setResult(0); return(TCL.CompletionCode.RETURN); } for (cur = index; cur >= 0; cur--) { char c = strArray[cur]; if (((1 << (int)System.Char.GetUnicodeCategory(c)) & WORD_BITS) == 0) { break; } } if (cur != index) { cur += 1; } interp.setResult(cur); break; } } return(TCL.CompletionCode.RETURN); }