+++ /dev/null
-//
-// System.DecimalFormatter.cs
-//
-// Author:
-// Martin Weindel (martin.weindel@t-online.de)
-//
-// (C) Martin Weindel, Derek Holden dholden@draper.com
-//
-
-//
-// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
-//
-// Permission is hereby granted, free of charge, to any person obtaining
-// a copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to
-// permit persons to whom the Software is furnished to do so, subject to
-// the following conditions:
-//
-// The above copyright notice and this permission notice shall be
-// included in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-//
-
-//
-// Internal class for formatting decimal numbers.
-
-using System.Globalization;
-using System.Text;
-using System;
-
-namespace System
-{
-
- internal sealed class DecimalFormatter
- {
-
- private static bool ParseFormat (string format, out char specifier, out int precision)
- {
- precision = -1;
- specifier = '\0';
-
- int length = format.Length;
- if (length < 1 || length > 3)
- return false;
-
- char[] chars = format.ToCharArray ();
- specifier = Char.ToUpperInvariant(chars[0]);
-
- if (length == 1)
- return true;
-
- if (length == 2)
- {
- if (chars[1] < '0' || chars[1] > '9')
- return false;
-
- precision = chars[1] - '0';
- }
- else
- {
- if (chars[1] < '0' || chars[2] < '0' || chars[1] > '9' || chars[2] > '9')
- return false;
-
- precision = (chars[1] - '0') * 10 + (chars[2] - '0');
- }
-
- return true;
- }
-
- public static string NumberToString(string format, NumberFormatInfo nfi, Decimal value)
- {
- char specifier;
- int precision;
- format = format.Trim ();
- if (!DecimalFormatter.ParseFormat(format, out specifier, out precision))
- {
- throw new FormatException (Locale.GetText ("The specified format is invalid"));
- }
-
- int digits = -1;
- int decimals = 0;
- // first calculate number of digits or decimals needed for format
- switch (specifier)
- {
- case 'C':
- decimals = (precision >= 0) ? precision : nfi.CurrencyDecimalDigits;
- break;
- case 'F': goto case 'N';
- case 'N':
- decimals = (precision >= 0) ? precision : nfi.NumberDecimalDigits;
- break;
- case 'G':
- digits = (precision >= 0) ? precision : 0;
- break;
- case 'E':
- digits = (precision >= 0) ? precision+1 : 7;
- break;
- case 'P':
- decimals = (precision >= 0) ? precision+2 : nfi.PercentDecimalDigits+2;
- break;
- case 'Z':
- digits = 0;
- break;
- }
-
- // get digit string
- const int bufSize = 40;
- int decPos = 0, sign = 0;
- char[] buf = new char[bufSize];
- if (Decimal.decimal2string(ref value, digits, decimals, buf, bufSize, out decPos, out sign) != 0)
- {
- throw new FormatException(); // should never happen
- }
-
- string TempString = new String(buf);
- TempString = TempString.Trim(new char[] {(char)0x0});
- StringBuilder sb = new StringBuilder(TempString, TempString.Length);
-
- if (sb.ToString () == String.Empty && decPos > 0 && sign == 0)
- sb.Append ('0');
-
- // now build the format
- switch (specifier)
- {
- case 'C': return FormatCurrency(nfi, sb, decimals, decPos, sign);
- case 'N': return FormatNumber(nfi, sb, decimals, decPos, sign);
- case 'F': return FormatFixedPoint(nfi, sb, decimals, decPos, sign);
- case 'G': return FormatGeneral(nfi, sb, digits, decPos, sign, format[0]);
- case 'E': return FormatExponential(nfi, sb, digits, decPos, sign, format[0], true);
- case 'P': return FormatPercent(nfi, sb, decimals, decPos, sign);
- case 'Z': return FormatNormalized(nfi, sb, digits, decPos, sign);
- default:
- throw new FormatException (Locale.GetText ("The specified format is invalid"));
- }
- }
-
- private static string FormatFixedPoint(NumberFormatInfo nfi, StringBuilder sb,
- int decimals, int decPos, int sign)
- {
- if (decimals > 0)
- {
- sb.Insert((decPos <= 0) ? 1 : decPos, nfi.NumberDecimalSeparator);
- }
-
- if (sign != 0)
- {
- sb.Insert(0, nfi.NegativeSign);
- }
-
- return sb.ToString();
- }
-
- private static string FormatExponential(NumberFormatInfo nfi, StringBuilder sb,
- int digits, int decPos, int sign, char echar, bool exp3flag)
- {
- // insert decimal separator
- if (digits > 1 || (digits == 0 && sb.Length > 1))
- {
- sb.Insert(1, nfi.NumberDecimalSeparator);
- }
-
- // insert sign
- if (sign != 0)
- {
- sb.Insert(0, nfi.NegativeSign);
- }
-
- // append exponent
- sb.Append(echar);
- decPos--;
- sb.Append((decPos >= 0) ? nfi.PositiveSign : nfi.NegativeSign);
- if (decPos < 0) decPos *= -1;
- if (exp3flag) sb.Append('0');
- sb.Append((char)('0' + decPos/10));
- sb.Append((char)('0' + decPos%10));
-
- return sb.ToString();
- }
-
- private static string FormatGeneral(NumberFormatInfo nfi, StringBuilder sb,
- int digits, int decPos, int sign, char gchar)
- {
- int dig = digits;
-#if NET_1_0
- bool bFix = (digits == 0 && decPos >= -3) || (digits >= decPos && decPos >= -3 && digits != 0);
-#else
- bool bFix = ((digits == 0) || ((digits >= decPos) && (digits != 0)));
-#endif
- if (digits > 0) {
- // remove trailing digits
- while (sb.Length > 1 && (sb.Length > decPos || !bFix) && sb [sb.Length-1] == '0') {
- sb.Remove (sb.Length-1, 1);
- if (dig != 0)
- dig--;
- }
- }
-
- if (bFix) {
- while (decPos <= 0) {
- sb.Insert (0, '0');
- if (dig != 0 && decPos != 0)
- dig++;
- decPos++;
- }
- return FormatFixedPoint(nfi, sb, sb.Length - decPos, decPos, sign);
- }
- else {
- return FormatExponential(nfi, sb, dig, decPos, sign, (char)(gchar-2), false);
- }
- }
-
- private static string FormatGroupAndDec(StringBuilder sb, int decimals, int decPos,
- int[] groupSizes, string groupSeparator, string decSeparator)
- {
- int offset = 0;
-
- // Groups
- if (decPos > 0)
- {
- if (groupSizes != null)
- {
- int lastSize = 0;
- int digitCount = 0;
- for (int i = 0; i < groupSizes.GetLength(0); i++)
- {
- int size = groupSizes[i];
- if (size > 0)
- {
- digitCount += size;
- if (digitCount < decPos)
- {
- sb.Insert(decPos - digitCount, groupSeparator);
- offset += groupSeparator.Length;
- }
- }
- lastSize = size;
- }
-
- if (lastSize > 0)
- {
- while (true)
- {
- digitCount +=lastSize;
- if (digitCount >= decPos) break;
- sb.Insert(decPos - digitCount, groupSeparator);
- offset += groupSeparator.Length;
- }
- }
- }
- }
-
- if ((decimals > 0) && (decPos+offset < sb.Length))
- {
- sb.Insert(offset + ((decPos <= 0) ? 1 : decPos), decSeparator);
- }
-
- return sb.ToString();
- }
-
- private static string FormatNumber(NumberFormatInfo nfi, StringBuilder sb,
- int decimals, int decPos, int sign)
- {
- string s = FormatGroupAndDec(sb, decimals, decPos,
- nfi.NumberGroupSizes, nfi.NumberGroupSeparator, nfi.NumberDecimalSeparator);
-
- // sign
- if (sign != 0)
- {
- switch (nfi.NumberNegativePattern)
- {
- case 0:
- return "(" + s + ")";
- case 1:
- return nfi.NegativeSign + s;
- case 2:
- return nfi.NegativeSign + " " + s;
- case 3:
- return s + nfi.NegativeSign;
- case 4:
- return s + " " + nfi.NegativeSign;
- default:
- throw new ArgumentException(Locale.GetText ("Invalid NumberNegativePattern"));
- }
- }
- else
- {
- return s;
- }
- }
-
- private static string FormatCurrency(NumberFormatInfo nfi, StringBuilder sb,
- int decimals, int decPos, int sign)
- {
- string s = FormatGroupAndDec(sb, decimals, decPos,
- nfi.CurrencyGroupSizes, nfi.CurrencyGroupSeparator, nfi.CurrencyDecimalSeparator);
-
- if (sign != 0)
- { // negative
- switch (nfi.CurrencyNegativePattern)
- {
- case 0:
- return "(" + nfi.CurrencySymbol + s + ")";
- case 1:
- return nfi.NegativeSign + nfi.CurrencySymbol + s;
- case 2:
- return nfi.CurrencySymbol + nfi.NegativeSign + s;
- case 3:
- return nfi.CurrencySymbol + s + nfi.NegativeSign;
- case 4:
- return "(" + s + nfi.CurrencySymbol + ")";
- case 5:
- return nfi.NegativeSign + s + nfi.CurrencySymbol;
- case 6:
- return s + nfi.NegativeSign + nfi.CurrencySymbol;
- case 7:
- return s + nfi.CurrencySymbol + nfi.NegativeSign;
- case 8:
- return nfi.NegativeSign + s + " " + nfi.CurrencySymbol;
- case 9:
- return nfi.NegativeSign + nfi.CurrencySymbol + " " + s;
- case 10:
- return s + " " + nfi.CurrencySymbol + nfi.NegativeSign;
- case 11:
- return nfi.CurrencySymbol + " " + s + nfi.NegativeSign;
- case 12:
- return nfi.CurrencySymbol + " " + nfi.NegativeSign + s;
- case 13:
- return s + nfi.NegativeSign + " " + nfi.CurrencySymbol;
- case 14:
- return "(" + nfi.CurrencySymbol + " " + s + ")";
- case 15:
- return "(" + s + " " + nfi.CurrencySymbol + ")";
- default:
- throw new ArgumentException(Locale.GetText ("Invalid CurrencyNegativePattern"));
- }
- }
- else
- {
- switch (nfi.CurrencyPositivePattern)
- {
- case 0:
- return nfi.CurrencySymbol + s;
- case 1:
- return s + nfi.CurrencySymbol;
- case 2:
- return nfi.CurrencySymbol + " " + s;
- case 3:
- return s + " " + nfi.CurrencySymbol;
- default:
- throw new ArgumentException(Locale.GetText ("Invalid CurrencyPositivePattern"));
- }
- }
- }
-
- private static string FormatPercent(NumberFormatInfo nfi, StringBuilder sb,
- int decimals, int decPos, int sign)
- {
- string s = FormatGroupAndDec(sb, decimals, decPos+2,
- nfi.PercentGroupSizes, nfi.PercentGroupSeparator, nfi.PercentDecimalSeparator);
-
- if (sign != 0)
- { // negative
- switch (nfi.PercentNegativePattern)
- {
- case 0:
- return nfi.NegativeSign + s + " " + nfi.PercentSymbol;
- case 1:
- return nfi.NegativeSign + s + nfi.PercentSymbol;
- case 2:
- return nfi.NegativeSign + nfi.PercentSymbol + s;
- default:
- throw new ArgumentException(Locale.GetText ("Invalid PercentNegativePattern"));
- }
- }
- else
- {
- switch (nfi.PercentPositivePattern)
- {
- case 0:
- return s + " " + nfi.PercentSymbol;
- case 1:
- return s + nfi.PercentSymbol;
- case 2:
- return nfi.PercentSymbol + s;
- default:
- throw new ArgumentException("Invalid PercentPositivePattern");
- }
- }
- }
-
- [MonoTODO]
- private static string FormatNormalized(NumberFormatInfo nfi, StringBuilder sb,
- int digits, int decPos, int sign)
- {
- //LAMESPEC: how should this format look like ? Is this a fixed point format ?
- throw new NotImplementedException ();
- }
- }
-}
+++ /dev/null
-//
-// System.DoubleFormatter.cs
-//
-// Author:
-// Pedro Martinez Juliá <yoros@wanadoo.es>
-//
-// Copyright (C) 2003 Pedro Martínez Juliá <yoros@wanadoo.es>
-// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
-//
-// Permission is hereby granted, free of charge, to any person obtaining
-// a copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to
-// permit persons to whom the Software is furnished to do so, subject to
-// the following conditions:
-//
-// The above copyright notice and this permission notice shall be
-// included in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-//
-
-using System.Text;
-using System.Collections;
-using System.Globalization;
-
-namespace System
-{
- internal class DoubleFormatter
- {
- private static FloatingPointFormatter fpf;
-
- const double p = 100000000000000.0d;
- const double p10 = 1000000000000000.0;
- const int dec_len = 14;
- const int dec_len_min = -30;
- const double p2 = 10000000000000000.0d;
- const double p102 = 100000000000000000.0;
- const int dec_len2 = 16;
- const int dec_len_min2 = -34;
-
- internal static string NumberToString (string format, NumberFormatInfo nfi, double value)
- {
- if (fpf == null) {
- fpf = new FloatingPointFormatter (p, p10, dec_len, dec_len_min, p2, p102, dec_len2, dec_len_min2);
- }
- return fpf.GetStringFrom (format, nfi, value);
- }
- }
-}
+++ /dev/null
-//
-// System.SingleFormatter.cs
-//
-// Author:
-// Pedro Martinez Juliá (yoros@wanadoo.es)
-//
-// Copyright (C) 2003 Pedro Martínez Juliá <yoros@wanadoo.es>
-// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
-//
-// Permission is hereby granted, free of charge, to any person obtaining
-// a copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to
-// permit persons to whom the Software is furnished to do so, subject to
-// the following conditions:
-//
-// The above copyright notice and this permission notice shall be
-// included in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-//
-
-using System.Globalization;
-
-namespace System {
-
- internal class SingleFormatter {
-
- private static FloatingPointFormatter fpf;
-
- const double p = 1000000.0d;
- const double p10 = 10000000.0;
- const int dec_len = 6;
- const int dec_len_min = -14;
-
- const double p2 = 10000000.0d;
- const double p102 = 100000000.0;
- const int dec_len2 = 7;
- const int dec_len_min2 = -16;
-
- public static string NumberToString (string format, NumberFormatInfo nfi, float value)
- {
- if (fpf == null) {
- fpf = new FloatingPointFormatter (p, p10, dec_len, dec_len_min, p2, p102, dec_len2, dec_len_min2);
- }
- return fpf.GetStringFrom (format, nfi, value);
- }
- }
-}
projects / mono.git / commitdiff