mcs/class/corlib/System.Runtime.Remoting.Metadata.W3cXsd2001/SoapDuration.cs

   1 //
   2 // System.Runtime.Remoting.Metadata.W3cXsd2001.SoapDuration
   3 //
   4 // Authors:
   5 //      Martin Willemoes Hansen (mwh@sysrq.dk)
   6 //      Lluis Sanchez Gual (lluis@ximian.com)
   7 //
   8 // (C) 2003 Martin Willemoes Hansen
   9 //
  10
  11 //
  12 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  13 //
  14 // Permission is hereby granted, free of charge, to any person obtaining
  15 // a copy of this software and associated documentation files (the
  16 // "Software"), to deal in the Software without restriction, including
  17 // without limitation the rights to use, copy, modify, merge, publish,
  18 // distribute, sublicense, and/or sell copies of the Software, and to
  19 // permit persons to whom the Software is furnished to do so, subject to
  20 // the following conditions:
  21 //
  22 // The above copyright notice and this permission notice shall be
  23 // included in all copies or substantial portions of the Software.
  24 //
  25 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  29 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  30 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  31 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  32 //
  33
  34 using System;
  35 using System.Text;
  36 using System.Globalization;
  37
  38 namespace System.Runtime.Remoting.Metadata.W3cXsd2001
  39 {
  40         public sealed class SoapDuration
  41         {
  42                 public SoapDuration()
  43                 {
  44                 }
  45
  46                 public static string XsdType {
  47                         get { return "duration"; }
  48                 }
  49
  50                 public static TimeSpan Parse (string s)
  51                 {
  52                         if (s.Length == 0)
  53                                 throw new ArgumentException ("Invalid format string for duration schema datatype.");
  54
  55                         int start = 0;
  56                         if (s [0] == '-')
  57                                 start = 1;
  58                         bool minusValue = (start == 1);
  59
  60                         if (s [start] != 'P')
  61                                 throw new ArgumentException ("Invalid format string for duration schema datatype.");
  62                         start++;
  63
  64                         int parseStep = 0;
  65                         int days = 0;
  66                         bool isTime = false;
  67                         int hours = 0;
  68                         int minutes = 0;
  69                         double seconds = 0;
  70
  71                         bool error = false;
  72
  73                         int i = start;
  74                         while (i < s.Length) {
  75                                 if (s [i] == 'T') {
  76                                         isTime = true;
  77                                         parseStep = 4;
  78                                         i++;
  79                                         start = i;
  80                                         continue;
  81                                 }
  82                                 bool isIntegerValue = true;
  83                                 int dotOccurence = 0;
  84                                 for (; i < s.Length; i++)
  85                                 {
  86                                         if (!Char.IsDigit (s [i]))
  87                                         {
  88                                                 //check if it is a non integer value.
  89                                                 if (s[i] == '.')
  90                                                 {
  91                                                         isIntegerValue = false;
  92                                                         dotOccurence++;
  93                                                         //if there is more than one dot in the number
  94                                                         //than its an error
  95                                                         if (dotOccurence > 1 )
  96                                                         {
  97                                                                 error = true;
  98                                                                 break;
  99                                                         }
 100                                                 }
 101                                                 else
 102                                                         break;
 103                                         }
 104                                 }
 105
 106                                 int intValue = -1;
 107                                 double doubleValue = -1;
 108                                 if (isIntegerValue)
 109                                         intValue = int.Parse (s.Substring (start, i - start));
 110                                 else
 111                                         doubleValue = double.Parse (s.Substring (start, i - start), CultureInfo.InvariantCulture);
 112                                 switch (s [i]) {
 113                                 case 'Y':
 114                                         days += intValue * 365;
 115                                         if (parseStep > 0 || !isIntegerValue)
 116                                                 error = true;
 117                                         else
 118                                                 parseStep = 1;
 119                                         break;
 120                                 case 'M':
 121                                         if (parseStep < 2 && isIntegerValue) {
 122                                                 days += 365 * (intValue / 12) + 30 * (intValue % 12);
 123                                                 parseStep = 2;
 124                                         } else if (isTime && parseStep < 6 && isIntegerValue) {
 125                                                 minutes = intValue;
 126                                                 parseStep = 6;
 127                                         }
 128                                         else
 129                                                 error = true;
 130                                         break;
 131                                 case 'D':
 132                                         days += intValue;
 133                                         if (parseStep > 2 || !isIntegerValue)
 134                                                 error = true;
 135                                         else
 136                                                 parseStep = 3;
 137                                         break;
 138                                 case 'H':
 139                                         hours = intValue;
 140                                         if (!isTime || parseStep > 4 || !isIntegerValue)
 141                                                 error = true;
 142                                         else
 143                                                 parseStep = 5;
 144                                         break;
 145                                 case 'S':
 146                                         if (isIntegerValue)
 147                                                 seconds = intValue;
 148                                         else
 149                                                 seconds = doubleValue;
 150                                         if (!isTime || parseStep > 6)
 151                                                 error = true;
 152                                         else
 153                                                 parseStep = 7;
 154                                         break;
 155                                 default:
 156                                         error = true;
 157                                         break;
 158                                 }
 159                                 if (error)
 160                                         break;
 161                                 ++i;
 162                                 start = i;
 163                         }
 164                         if (error)
 165                                 throw new ArgumentException ("Invalid format string for duration schema datatype.");
 166                         TimeSpan ts = new TimeSpan (days, hours, minutes, 0) + TimeSpan.FromSeconds (seconds);
 167                         return minusValue ? -ts : ts;
 168                 }
 169
 170                 public static string ToString (TimeSpan value)
 171                 {
 172                         StringBuilder builder = new StringBuilder();
 173                         if (value.Ticks < 0) {
 174                                 builder.Append('-');
 175                                 value = value.Negate();
 176                         }
 177                         builder.Append('P');
 178                         if (value.Days > 0) builder.Append(value.Days).Append('D');
 179                         if (value.Days > 0 || value.Minutes > 0 || value.Seconds > 0 || value.Milliseconds > 0) {
 180                                 builder.Append('T');
 181                                 if (value.Hours > 0) builder.Append(value.Hours).Append('H');
 182                                 if (value.Minutes > 0) builder.Append(value.Minutes).Append('M');
 183                                 if (value.Seconds > 0 || value.Milliseconds > 0) {
 184                                         double secs = (double) value.Seconds;
 185                                         if (value.Milliseconds > 0)
 186                                                 secs += ((double)value.Milliseconds) / 1000.0;
 187                                         builder.Append(String.Format(CultureInfo.InvariantCulture, "{0:0.0000000}", secs));
 188                                         builder.Append('S');
 189                                 }
 190                         }
 191                         return builder.ToString();
 192                 }
 193         }
 194 }