internal static int FormatNumber(Interp interp, char type, TclObject src, byte[] resultBytes, int cursor) { if (type == 'd') { double dvalue = TclDouble.get(interp, src); System.IO.MemoryStream ms = new System.IO.MemoryStream(resultBytes, cursor, 8); System.IO.BinaryWriter writer = new System.IO.BinaryWriter(ms); writer.Write(dvalue); cursor += 8; writer.Close(); ms.Close(); } else if (type == 'f') { float fvalue = (float)TclDouble.get(interp, src); System.IO.MemoryStream ms = new System.IO.MemoryStream(resultBytes, cursor, 4); System.IO.BinaryWriter writer = new System.IO.BinaryWriter(ms); writer.Write(fvalue); cursor += 4; writer.Close(); ms.Close(); } else { int value = TclInteger.get(interp, src); if (type == 'c') { resultBytes[cursor++] = (byte)value; } else if (type == 's') { resultBytes[cursor++] = (byte)value; resultBytes[cursor++] = (byte)(value >> 8); } else if (type == 'S') { resultBytes[cursor++] = (byte)(value >> 8); resultBytes[cursor++] = (byte)value; } else if (type == 'i') { resultBytes[cursor++] = (byte)value; resultBytes[cursor++] = (byte)(value >> 8); resultBytes[cursor++] = (byte)(value >> 16); resultBytes[cursor++] = (byte)(value >> 24); } else if (type == 'I') { resultBytes[cursor++] = (byte)(value >> 24); resultBytes[cursor++] = (byte)(value >> 16); resultBytes[cursor++] = (byte)(value >> 8); resultBytes[cursor++] = (byte)value; } } return(cursor); }
private static TclObject ScanNumber(byte[] src, int pos, int type) // Format character from "binary scan" { switch (type) { case 'c': { return(TclInteger.newInstance((sbyte)src[pos])); } case 's': { short value = (short)((src[pos] & 0xff) + ((src[pos + 1] & 0xff) << 8)); return(TclInteger.newInstance((int)value)); } case 'S': { short value = (short)((src[pos + 1] & 0xff) + ((src[pos] & 0xff) << 8)); return(TclInteger.newInstance((int)value)); } case 'i': { int value = (src[pos] & 0xff) + ((src[pos + 1] & 0xff) << 8) + ((src[pos + 2] & 0xff) << 16) + ((src[pos + 3] & 0xff) << 24); return(TclInteger.newInstance(value)); } case 'I': { int value = (src[pos + 3] & 0xff) + ((src[pos + 2] & 0xff) << 8) + ((src[pos + 1] & 0xff) << 16) + ((src[pos] & 0xff) << 24); return(TclInteger.newInstance(value)); } case 'f': { System.IO.MemoryStream ms = new System.IO.MemoryStream(src, pos, 4, false); System.IO.BinaryReader reader = new System.IO.BinaryReader(ms); double fvalue = reader.ReadSingle(); reader.Close(); ms.Close(); return(TclDouble.newInstance(fvalue)); } case 'd': { System.IO.MemoryStream ms = new System.IO.MemoryStream(src, pos, 8, false); System.IO.BinaryReader reader = new System.IO.BinaryReader(ms); double dvalue = reader.ReadDouble(); reader.Close(); ms.Close(); return(TclDouble.newInstance(dvalue)); } } return(null); }
public static bool Tcl_GetDouble(Interp interp, TclObject to, out double value) { try { value = TclDouble.get(interp, to); return(false); } catch { value = 0; return(true); } }
public static void set(TclObject tobj, double d) // The new value for the object. { tobj.invalidateStringRep(); InternalRep rep = tobj.InternalRep; if (rep is TclDouble) { TclDouble tdouble = (TclDouble)rep; tdouble.value = d; } else { tobj.InternalRep = new TclDouble(d); } }
public static bool Tcl_GetDoubleFromObj(Interp interp, TclObject to, ref double value) { try { if (to.ToString() == "NaN") { value = Double.NaN; } else { value = TclDouble.get(interp, to); } return(false); } catch { return(true); } }
/// <summary> This procedure is invoked to process the "scan" Tcl command. /// See the user documentation for details on what it does. /// /// Each iteration of the cmdProc compares the scanArr's current index to /// the frmtArr's index. If the chars are equal then the indicies are /// incremented. If a '%' is found in the frmtArr, the formatSpecifier /// is parced from the frmtArr, the corresponding value is extracted from /// the scanArr, and that value is set in the Tcl Interp. /// /// If the chars are not equal, or the conversion fails, the boolean /// scanArrDone is set to true, indicating the scanArr is not to be /// parced and no new values are to be set. However the frmtArr is still /// parced because of the priority of error messages. In the C version /// of Tcl, bad format specifiers throw errors before incorrect argument /// input or other scan errors. Thus we need to parce the entire frmtArr /// to verify correct formating. This is dumb and inefficient but it is /// consistent w/ the current C-version of Tcl. /// </summary> public TCL.CompletionCode cmdProc(Interp interp, TclObject[] argv) { if (argv.Length < 3) { throw new TclNumArgsException(interp, 1, argv, "string format ?varName varName ...?"); } ; StrtoulResult strul; // Return value for parcing the scanArr when // extracting integers/longs StrtodResult strd;; // Return value for parcing the scanArr when // extracting doubles char[] scanArr; // Array containing parce info char[] frmtArr; // Array containing info on how to // parse the scanArr int scanIndex; // Index into the scan array int frmtIndex; // Index into the frmt array int tempIndex; // Temporary index holder int argIndex; // Index into the current arg int width; // Stores the user specified result width int base_; // Base of the integer being converted int numUnMatched; // Number of fields actually set. int numMatched; // Number of fields actually matched. int negateScan; // Mult by result, set to -1 if true int i; // Generic variable char ch; // Generic variable bool cont; // Used in loops to indicate when to stop bool scanOK; // Set to false if strtoul/strtod fails bool scanArrDone; // Set to false if strtoul/strtod fails bool widthFlag; // True is width is specified bool discardFlag; // If a "%*" is in the formatString dont // write output to arg scanArr = argv[1].ToString().ToCharArray(); frmtArr = argv[2].ToString().ToCharArray(); width = base_ = numMatched = numUnMatched = 0; scanIndex = frmtIndex = 0; scanOK = true; scanArrDone = false; argIndex = 3; // Skip all (if any) of the white space before getting to a char frmtIndex = skipWhiteSpace(frmtArr, frmtIndex); // Search through the frmtArr. If the next char is a '%' parse the // next chars and determine the type (if any) of the format specifier. // If the scanArr has been fully searched, do nothing but incerment // "numUnMatched". The reason to continue the frmtArr search is for // consistency in output. Previously scan format errors were reported // before arg input mismatch, so this maintains the same level of error // checking. while (frmtIndex < frmtArr.Length) { discardFlag = widthFlag = false; negateScan = 1; cont = true; // Parce the format array and read in the correct value from the // scan array. When the correct value is retrieved, set the // variable (from argv) in the interp. if (frmtArr[frmtIndex] == '%') { frmtIndex++; checkOverFlow(interp, frmtArr, frmtIndex); // Two '%'s in a row, do nothing... if (frmtArr[frmtIndex] == '%') { frmtIndex++; scanIndex++; continue; } // Check for a discard field flag if (frmtArr[frmtIndex] == '*') { discardFlag = true; frmtIndex++; checkOverFlow(interp, frmtArr, frmtIndex); } // Check for a width field and accept the 'h', 'l', 'L' // characters, but do nothing with them. // // Note: The order of the width specifier and the other // chars is unordered, so we need to iterate until all // of the specifiers are identified. while (cont) { cont = false; switch (frmtArr[frmtIndex]) { case 'h': case 'l': case 'L': { // Just ignore these values frmtIndex++; cont = true; break; } default: { if (System.Char.IsDigit(frmtArr[frmtIndex])) { strul = Util.strtoul(new string(frmtArr), frmtIndex, base_); frmtIndex = strul.index; width = (int)strul.value; widthFlag = true; cont = true; } } break; } checkOverFlow(interp, frmtArr, frmtIndex); } // On all conversion specifiers except 'c', move the // scanIndex to the next non-whitespace. ch = frmtArr[frmtIndex]; if ((ch != 'c') && (ch != '[') && !scanArrDone) { scanIndex = skipWhiteSpace(scanArr, scanIndex); } if (scanIndex >= scanArr.Length) { scanArrDone = true; } if ((scanIndex < scanArr.Length) && (ch != 'c') && (ch != '[')) { // Since strtoul dosent take signed numbers, make the // value positive and store the sign. if (scanArr[scanIndex] == '-') { negateScan = -1; scanIndex++; width--; } else if (scanArr[scanIndex] == '+') { scanIndex++; width--; } // The width+scanIndex might be greater than // the scanArr so we need to re-adjust when this // happens. if (widthFlag && (width + scanIndex > scanArr.Length)) { width = scanArr.Length - scanIndex; } } if (scanIndex >= scanArr.Length) { scanArrDone = true; } // Foreach iteration we want strul and strd to be // null since we error check on this case. strul = null; strd = null; switch (ch) { case 'd': case 'o': case 'x': { if (!scanArrDone) { if (ch == 'd') { base_ = 10; } else if (ch == 'o') { base_ = 8; } else { base_ = 16; } // If the widthFlag is set then convert only // "width" characters to an ascii representation, // else read in until the end of the integer. The // scanIndex is moved to the point where we stop // reading in. if (widthFlag) { strul = Util.strtoul(new string(scanArr, 0, width + scanIndex), scanIndex, base_); } else { strul = Util.strtoul(new string(scanArr), scanIndex, base_); } if (strul.errno != 0) { scanOK = false; break; } scanIndex = strul.index; if (!discardFlag) { i = (int)strul.value * negateScan; if (argIndex == argv.Length) { numMatched--; } else { testAndSetVar(interp, argv, argIndex++, TclInteger.newInstance(i)); } } } break; } case 'c': { if (widthFlag) { errorCharFieldWidth(interp); } if (!discardFlag && !scanArrDone) { testAndSetVar(interp, argv, argIndex++, TclInteger.newInstance(scanArr[scanIndex++])); } break; } case 's': { if (!scanArrDone) { // If the widthFlag is set then read only "width" // characters into the string, else read in until // the first whitespace or endArr is found. The // scanIndex is moved to the point where we stop // reading in. tempIndex = scanIndex; if (!widthFlag) { width = scanArr.Length; } for (i = 0; (scanIndex < scanArr.Length) && (i < width); i++) { ch = scanArr[scanIndex]; if ((ch == ' ') || (ch == '\n') || (ch == '\r') || (ch == '\t') || (ch == '\f')) { break; } scanIndex++; } if (!discardFlag) { string str = new string(scanArr, tempIndex, scanIndex - tempIndex); testAndSetVar(interp, argv, argIndex++, TclString.newInstance(str)); } } break; } case 'e': case 'f': case 'g': { if (!scanArrDone) { // If the wisthFlag is set then read only "width" // characters into the string, else read in until // the first whitespace or endArr is found. The // scanIndex is moved to the point where we stop // reading in. if (widthFlag) { strd = Util.strtod(new string(scanArr, 0, width + scanIndex), scanIndex); } else { strd = Util.strtod(new string(scanArr), scanIndex); } if (strd.errno != 0) { scanOK = false; break; } scanIndex = strd.index; if (!discardFlag) { double d = strd.value * negateScan; testAndSetVar(interp, argv, argIndex++, TclDouble.newInstance(d)); } } break; } case '[': { bool charMatchFound = false; bool charNotMatch = false; char[] tempArr; int startIndex; int endIndex; string unmatched = "unmatched [ in format string"; if ((++frmtIndex) >= frmtArr.Length) { throw new TclException(interp, unmatched); } if (frmtArr[frmtIndex] == '^') { charNotMatch = true; frmtIndex += 2; } else { frmtIndex++; } tempIndex = frmtIndex - 1; if (frmtIndex >= frmtArr.Length) { throw new TclException(interp, unmatched); } // Extract the list of chars for matching. while (frmtArr[frmtIndex] != ']') { if ((++frmtIndex) >= frmtArr.Length) { throw new TclException(interp, unmatched); } } tempArr = new string(frmtArr, tempIndex, frmtIndex - tempIndex).ToCharArray(); startIndex = scanIndex; if (charNotMatch) { // Format specifier contained a '^' so interate // until one of the chars in tempArr is found. while (scanOK && !charMatchFound) { if (scanIndex >= scanArr.Length) { scanOK = false; break; } for (i = 0; i < tempArr.Length; i++) { if (tempArr[i] == scanArr[scanIndex]) { charMatchFound = true; break; } } if (widthFlag && ((scanIndex - startIndex) >= width)) { break; } if (!charMatchFound) { scanIndex++; } } } else { // Iterate until the char in the scanArr is not // in the tempArr. charMatchFound = true; while (scanOK && charMatchFound) { if (scanIndex >= scanArr.Length) { scanOK = false; break; } charMatchFound = false; for (i = 0; i < tempArr.Length; i++) { if (tempArr[i] == scanArr[scanIndex]) { charMatchFound = true; break; } } if (widthFlag && (scanIndex - startIndex) >= width) { break; } if (charMatchFound) { scanIndex++; } } } // Indicates nothing was found. endIndex = scanIndex - startIndex; if (endIndex <= 0) { scanOK = false; break; } if (!discardFlag) { string str = new string(scanArr, startIndex, endIndex); testAndSetVar(interp, argv, argIndex++, TclString.newInstance(str)); } break; } default: { errorBadField(interp, ch); } break; } // As long as the scan was successful (scanOK), the format // specifier did not contain a '*' (discardFlag), and // we are not at the end of the scanArr (scanArrDone); // increment the num of vars set in the interp. Otherwise // increment the number of valid format specifiers. if (scanOK && !discardFlag && !scanArrDone) { numMatched++; } else if ((scanArrDone || !scanOK) && !discardFlag) { numUnMatched++; } frmtIndex++; } else if (scanIndex < scanArr.Length && scanArr[scanIndex] == frmtArr[frmtIndex]) { // No '%' was found, but the characters matched scanIndex++; frmtIndex++; } else { // No '%' found and the characters int frmtArr & scanArr // did not match. frmtIndex++; } } // The numMatched is the return value: a count of the num of vars set. // While the numUnMatched is the number of formatSpecifiers that // passed the parsing stage, but did not match anything in the scanArr. if ((numMatched + numUnMatched) != (argv.Length - 3)) { errorDiffVars(interp); } interp.setResult(TclInteger.newInstance(numMatched)); return(TCL.CompletionCode.RETURN); }
public static TclObject Tcl_NewDoubleObj(double value) { return(TclDouble.newInstance(value)); }
private const int GENERIC = 4; // Floating or exponential, // depending on exponent. %g /// <summary> This procedure is invoked to process the "format" Tcl command. /// See the user documentation for details on what it does. /// /// The first argument to the cmdProc is the formatString. The cmdProc /// simply copies all the chars into the sbuf until a '%' is found. At /// this point the cmdProc parces the formatString and determines the /// format parameters. The parcing of the formatString can be broken into /// six possible phases: /// /// Phase 0 - Simply Print: If the next char is % /// Phase 1 - XPG3 Position Specifier: If the format [1-n]$ is used /// Phase 2 - A Set of Flags: One or more of the following + - /// [space] 0 # /// Phase 3 - A Minimun Field Width Either [integer] or * /// Phase 4 - A Precision If the format .[integer] or .* /// Phase 5 - A Length Modifier If h is present /// Phase 6 - A Conversion Character If one of the following is used /// d u i o x X c s f E g G /// /// Any phase can skip ahead one or more phases, but are not allowed /// to move back to previous phases. Once the parameters are determined /// the cmdProc calls one of three private methods that returns a fully /// formatted string. This loop occurs for ever '%' in the formatString. /// </summary> public TCL.CompletionCode cmdProc(Interp interp, TclObject[] argv) { System.Text.StringBuilder sbuf; // Stores the return value of the parsed // format string StrtoulResult stoul; // A return object to the strtoul call char[] format; // The format argument is converted to a char // array and manipulated as such int phase; // Stores the current phase of the parsing int width; // Minimum field width int precision; // Field precision from field specifier int fmtFlags; // Used to store the format flags ( #,+,etc) int argIndex; // Index of argument to substitute next. int fmtIndex; // Used to locate end of the format fields. int endIndex; // Used to locate end of numerical fields. int intValue; // Generic storage variable long lngValue; // Store the TclInteger.get() result double dblValue; // Store the TclDouble.get() result bool noPercent; // Special case for speed: indicates there's // no field specifier, just a string to copy. bool xpgSet; // Indicates that xpg has been used for the // particular format of the main while loop bool gotXpg; // True means that an XPG3 %n$-style // specifier has been seen. bool gotSequential; // True means that a regular sequential // (non-XPG3) conversion specifier has // been seen. bool useShort; // Value to be printed is short // (half word). bool precisionSet; // Used for f, e, and E conversions bool cont; // Used for phase 3 if (argv.Length < 2) { throw new TclNumArgsException(interp, 1, argv, "formatString ?arg arg ...?"); } argIndex = 2; fmtIndex = 0; gotXpg = gotSequential = false; format = argv[1].ToString().ToCharArray(); sbuf = new System.Text.StringBuilder(); // So, what happens here is to scan the format string one % group // at a time, making many individual appends to the StringBuffer. while (fmtIndex < format.Length) { fmtFlags = phase = width = 0; noPercent = true; xpgSet = precisionSet = useShort = false; precision = -1; // Append all characters to sbuf that are not used for the // format specifier. if (format[fmtIndex] != '%') { int i; for (i = fmtIndex; (i < format.Length); i++) { if (format[i] == '%') { noPercent = false; break; } } sbuf.Append(new string(format, fmtIndex, i - fmtIndex)); fmtIndex = i; if (noPercent) { break; } } // If true, then a % has been indicated but we are at the end // of the format string. Call function to throw exception. if (fmtIndex + 1 >= format.Length) { errorEndMiddle(interp); } // Phase 0: // Check for %%. If true then simply write a single '%' // to the list. checkOverFlow(interp, format, fmtIndex + 1); if (format[fmtIndex + 1] == '%') { sbuf.Append("%"); fmtIndex += 2; // Re-enter the loop continue; } fmtIndex++; checkOverFlow(interp, format, fmtIndex); if (System.Char.IsDigit(format[fmtIndex])) { // Parce the format array looking for the end of // the number. stoul = strtoul(format, fmtIndex); intValue = (int)stoul.value; endIndex = stoul.index; if (format[endIndex] == '$') { if (intValue == 0) { errorBadIndex(interp, true); } // Phase 1: // Check for an XPG3-style %n$ specification. // Note: there must not be a mixture of XPG3 // specs and non-XPG3 specs in the same format string. if (gotSequential) { errorMixedXPG(interp); } gotXpg = true; xpgSet = true; phase = 2; fmtIndex = endIndex + 1; argIndex = intValue + 1; if ((argIndex < 2) || (argIndex >= argv.Length)) { errorBadIndex(interp, gotXpg); } } else { // Phase 3: // Format jumped straight to phase 3; Setting // width field. Again, verify that all format // specifiers are sequential. if (gotXpg) { errorMixedXPG(interp); } gotSequential = true; if (format[fmtIndex] != '0') { fmtIndex = endIndex; width = intValue; phase = 4; } } } else { if (gotXpg) { errorMixedXPG(interp); } gotSequential = true; } // Phase 2: // Setting the Format Flags. At this point the phase value // can be either zero or three. Anything greater is an // incorrect format. if (phase < 3) { checkOverFlow(interp, format, fmtIndex); char ch = format[fmtIndex]; cont = true; while (cont) { switch (ch) { case '-': { fmtFlags |= LEFT_JUSTIFY; break; } case '#': { fmtFlags |= ALT_OUTPUT; break; } case '0': { fmtFlags |= PAD_W_ZERO; break; } case ' ': { fmtFlags |= SPACE_OR_SIGN; break; } case '+': { fmtFlags |= SHOW_SIGN; break; } default: { cont = false; } break; } if (cont) { fmtIndex++; checkOverFlow(interp, format, fmtIndex); ch = format[fmtIndex]; } } phase = 3; } // Phase 3: // Setting width field. Partially redundant code from the // Phase 1 if/else statement, but this is made to run fast. checkOverFlow(interp, format, fmtIndex); if (System.Char.IsDigit(format[fmtIndex])) { stoul = strtoul(format, fmtIndex); width = (int)stoul.value; fmtIndex = stoul.index; } else if (format[fmtIndex] == '*') { if (argv.Length > argIndex) { width = TclInteger.get(interp, argv[argIndex]); if (width < 0) { width = -width; fmtFlags |= LEFT_JUSTIFY; } argIndex++; fmtIndex++; } } // Phase 4: // Setting the precision field. checkOverFlow(interp, format, fmtIndex); if (format[fmtIndex] == '.') { fmtIndex++; checkOverFlow(interp, format, fmtIndex); if (System.Char.IsDigit(format[fmtIndex])) { precisionSet = true; stoul = strtoul(format, fmtIndex); precision = (int)stoul.value; fmtIndex = stoul.index; } else if (format[fmtIndex] == '*') { if (argv.Length > argIndex) { precisionSet = true; precision = TclInteger.get(interp, argv[argIndex]); argIndex++; fmtIndex++; checkOverFlow(interp, format, fmtIndex); } } else { // Format field had a '.' without an integer or '*' // preceeding it (eg %2.d or %2.-5d) errorBadField(interp, format[fmtIndex]); } } // Phase 5: // Setting the length modifier. if (format[fmtIndex] == 'h') { fmtIndex++; checkOverFlow(interp, format, fmtIndex); useShort = true; } else if (format[fmtIndex] == 'l') { fmtIndex++; checkOverFlow(interp, format, fmtIndex); // 'l' is ignored, but should still be processed. } if ((argIndex < 2) || (argIndex >= argv.Length)) { errorBadIndex(interp, gotXpg); } // Phase 6: // Setting conversion field. // At this point, variables are initialized as follows: // // width The specified field width. This is always // non-negative. Zero is the default. // precision The specified precision. The default // is -1. // argIndex The argument index from the argv array // for the appropriate arg. // fmtFlags The format flags are set via bitwise // operations. Below are the bits // and their meanings. // ALT_OUTPUT set if a '#' is present. // SHOW_SIGN set if a '+' is present. // SPACE_OR_SIGN set if a ' ' is present. // LEFT_JUSTIFY set if a '-' is present or if the // field width was negative. // PAD_W_ZERO set if a '0' is present string strValue = ""; char index = format[fmtIndex]; switch (index) { case 'u': case 'd': case 'o': case 'x': case 'X': case 'i': { if (index == 'u') { // Since Java does not provide unsigned ints we need to // make our own. If the value is negative we need to // clear out all of the leading bits from the 33rd bit // and on. The result is a long value equal to that // of an unsigned int. lngValue = (long)TclInteger.get(interp, argv[argIndex]); if (lngValue < 0) { lngValue = (lngValue << 32); lngValue = (SupportClass.URShift(lngValue, 32)); } } else { fmtFlags |= SIGNED_VALUE; lngValue = (long)TclInteger.get(interp, argv[argIndex]); } // If the useShort option has been selected, we need // to clear all but the first 16 bits. if (useShort) { lngValue = (lngValue << 48); lngValue = (lngValue >> 48); } if (index == 'o') { sbuf.Append(cvtLngToStr(lngValue, width, precision, fmtFlags, 8, "01234567".ToCharArray(), "0")); } else if (index == 'x') { sbuf.Append(cvtLngToStr(lngValue, width, precision, fmtFlags, 16, "0123456789abcdef".ToCharArray(), "0x")); } else if (index == 'X') { sbuf.Append(cvtLngToStr(lngValue, width, precision, fmtFlags, 16, "0123456789ABCDEF".ToCharArray(), "0X")); } else { sbuf.Append(cvtLngToStr(lngValue, width, precision, fmtFlags, 10, "0123456789".ToCharArray(), "")); } break; } case 'c': { intValue = 0; char[] arr = new char[] { (char)TclInteger.get(interp, argv[argIndex]) }; strValue = new string(arr); sbuf.Append(cvtStrToStr(strValue, width, precision, fmtFlags)); break; } case 's': { strValue = argv[argIndex].ToString(); sbuf.Append(cvtStrToStr(strValue, width, precision, fmtFlags)); break; } case 'f': { dblValue = TclDouble.get(interp, argv[argIndex]); sbuf.Append(cvtDblToStr(dblValue, width, precision, fmtFlags, 10, "0123456789".ToCharArray(), "", FLOAT)); break; } case 'e': { dblValue = TclDouble.get(interp, argv[argIndex]); sbuf.Append(cvtDblToStr(dblValue, width, precision, fmtFlags, 10, "e".ToCharArray(), "", EXP)); break; } case 'E': { dblValue = TclDouble.get(interp, argv[argIndex]); sbuf.Append(cvtDblToStr(dblValue, width, precision, fmtFlags, 10, "E".ToCharArray(), "", EXP)); break; } case 'g': { dblValue = TclDouble.get(interp, argv[argIndex]); sbuf.Append(cvtDblToStr(dblValue, width, precision, fmtFlags, 10, "e".ToCharArray(), "", GENERIC)); break; } case 'G': { dblValue = TclDouble.get(interp, argv[argIndex]); sbuf.Append(cvtDblToStr(dblValue, width, precision, fmtFlags, 10, "E".ToCharArray(), "", GENERIC)); break; } default: { errorBadField(interp, format[fmtIndex]); } break; } fmtIndex++; argIndex++; } interp.setResult(sbuf.ToString()); return(TCL.CompletionCode.RETURN); }
/* *----------------------------------------------------------------------------- * * cmdProc -- * * This procedure is invoked to process the "lsearch" Tcl command. * See the user documentation for details on what it does. * * Results: * None. * * Side effects: * See the user documentation. * *----------------------------------------------------------------------------- */ public TCL.CompletionCode cmdProc(Interp interp, TclObject[] objv) { int mode = GLOB; int dataType = ASCII; bool isIncreasing = true; TclObject pattern; TclObject list; if (objv.Length < 3) { throw new TclNumArgsException(interp, 1, objv, "?options? list pattern"); } for (int i = 1; i < objv.Length - 2; i++) { switch (TclIndex.get(interp, objv[i], options, "option", 0)) { case LSEARCH_ASCII: dataType = ASCII; break; case LSEARCH_DECREASING: isIncreasing = false; break; case LSEARCH_DICTIONARY: dataType = DICTIONARY; break; case LSEARCH_EXACT: mode = EXACT; break; case LSEARCH_INCREASING: isIncreasing = true; break; case LSEARCH_INTEGER: dataType = INTEGER; break; case LSEARCH_GLOB: mode = GLOB; break; case LSEARCH_REAL: dataType = REAL; break; case LSEARCH_REGEXP: mode = REGEXP; break; case LSEARCH_SORTED: mode = SORTED; break; } } // Make sure the list argument is a list object and get its length and // a pointer to its array of element pointers. TclObject[] listv = TclList.getElements(interp, objv[objv.Length - 2]); TclObject patObj = objv[objv.Length - 1]; string patternBytes = null; int patInt = 0; double patDouble = 0.0; int length = 0; if (mode == EXACT || mode == SORTED) { switch (dataType) { case ASCII: case DICTIONARY: patternBytes = patObj.ToString(); length = patternBytes.Length; break; case INTEGER: patInt = TclInteger.get(interp, patObj); break; case REAL: patDouble = TclDouble.get(interp, patObj); break; } } else { patternBytes = patObj.ToString(); length = patternBytes.Length; } // Set default index value to -1, indicating failure; if we find the // item in the course of our search, index will be set to the correct // value. int index = -1; if (mode == SORTED) { // If the data is sorted, we can do a more intelligent search. int match = 0; int lower = -1; int upper = listv.Length; while (lower + 1 != upper) { int i = (lower + upper) / 2; switch (dataType) { case ASCII: { string bytes = listv[i].ToString(); match = patternBytes.CompareTo(bytes); break; } case DICTIONARY: { string bytes = listv[i].ToString(); match = DictionaryCompare(patternBytes, bytes); break; } case INTEGER: { int objInt = TclInteger.get(interp, listv[i]); if (patInt == objInt) { match = 0; } else if (patInt < objInt) { match = -1; } else { match = 1; } break; } case REAL: { double objDouble = TclDouble.get(interp, listv[i]); if (patDouble == objDouble) { match = 0; } else if (patDouble < objDouble) { match = -1; } else { match = 1; } break; } } if (match == 0) { // Normally, binary search is written to stop when it // finds a match. If there are duplicates of an element in // the list, our first match might not be the first occurance. // Consider: 0 0 0 1 1 1 2 2 2 // To maintain consistancy with standard lsearch semantics, // we must find the leftmost occurance of the pattern in the // list. Thus we don't just stop searching here. This // variation means that a search always makes log n // comparisons (normal binary search might "get lucky" with // an early comparison). index = i; upper = i; } else if (match > 0) { if (isIncreasing) { lower = i; } else { upper = i; } } else { if (isIncreasing) { upper = i; } else { lower = i; } } } } else { for (int i = 0; i < listv.Length; i++) { bool match = false; switch (mode) { case SORTED: case EXACT: { switch (dataType) { case ASCII: { string bytes = listv[i].ToString(); int elemLen = bytes.Length; if (length == elemLen) { match = bytes.Equals(patternBytes); } break; } case DICTIONARY: { string bytes = listv[i].ToString(); match = (DictionaryCompare(bytes, patternBytes) == 0); break; } case INTEGER: { int objInt = TclInteger.get(interp, listv[i]); match = (objInt == patInt); break; } case REAL: { double objDouble = TclDouble.get(interp, listv[i]); match = (objDouble == patDouble); break; } } break; } case GLOB: { match = Util.stringMatch(listv[i].ToString(), patternBytes); break; } case REGEXP: { match = Util.regExpMatch(interp, listv[i].ToString(), patObj); break; } } if (match) { index = i; break; } } } interp.setResult(index); return(TCL.CompletionCode.RETURN); }
/// <summary> Compares the order of two items in the array. /// /// </summary> /// <param name="obj1">first item. /// </param> /// <param name="obj2">second item. /// </param> /// <returns> 0 if they are equal, 1 if obj1 > obj2, -1 otherwise. /// /// </returns> /// <exception cref=""> TclException if an error occurs during sorting. /// </exception> private int compare(TclObject obj1, TclObject obj2) { int index; int code = 0; if (sortIndex != -1) { // The "-index" option was specified. Treat each object as a // list, extract the requested element from each list, and // compare the elements, not the lists. The special index "end" // is signaled here with a negative index (other than -1). TclObject obj; if (sortIndex < -1) { index = TclList.getLength(sortInterp, obj1) - 1; } else { index = sortIndex; } obj = TclList.index(sortInterp, obj1, index); if (obj == null) { throw new TclException(sortInterp, "element " + index + " missing from sublist \"" + obj1 + "\""); } obj1 = obj; if (sortIndex < -1) { index = TclList.getLength(sortInterp, obj2) - 1; } else { index = sortIndex; } obj = TclList.index(sortInterp, obj2, index); if (obj == null) { throw new TclException(sortInterp, "element " + index + " missing from sublist \"" + obj2 + "\""); } obj2 = obj; } switch (sortMode) { case ASCII: // ATK C# CompareTo use option // similar to -dictionary but a > A code = System.Globalization.CultureInfo.InvariantCulture.CompareInfo.Compare(obj1.ToString(), obj2.ToString(), System.Globalization.CompareOptions.Ordinal); // code = obj1.ToString().CompareTo(obj2.ToString()); break; case DICTIONARY: code = doDictionary(obj1.ToString(), obj2.ToString()); break; case INTEGER: try { int int1 = TclInteger.get(sortInterp, obj1); int int2 = TclInteger.get(sortInterp, obj2); if (int1 > int2) { code = 1; } else if (int2 > int1) { code = -1; } } catch (TclException e1) { sortInterp.addErrorInfo("\n (converting list element from string to integer)"); throw e1; } break; case REAL: try { double f1 = TclDouble.get(sortInterp, obj1); double f2 = TclDouble.get(sortInterp, obj2); if (f1 > f2) { code = 1; } else if (f2 > f1) { code = -1; } } catch (TclException e2) { sortInterp.addErrorInfo("\n (converting list element from string to real)"); throw e2; } break; case COMMAND: System.Text.StringBuilder sbuf = new System.Text.StringBuilder(sortCommand); Util.appendElement(sortInterp, sbuf, obj1.ToString()); Util.appendElement(sortInterp, sbuf, obj2.ToString()); try { sortInterp.eval(sbuf.ToString(), 0); } catch (TclException e3) { sortInterp.addErrorInfo("\n (user-defined comparison command)"); throw e3; } try { code = TclInteger.get(sortInterp, sortInterp.getResult()); } catch (TclException e) { sortInterp.resetResult(); TclException e4 = new TclException(sortInterp, "comparison command returned non-numeric result"); throw e4; } break; default: throw new TclRuntimeError("Unknown sortMode " + sortMode); } if (sortIncreasing) { return(code); } else { return(-code); } }