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
  37 namespace System.Runtime.Remoting.Metadata.W3cXsd2001
  38 {
  39         public sealed class SoapDuration
  40         {
  41                 public SoapDuration()
  42                 {
  43                 }
  44
  45                 public static string XsdType {
  46                         get { return "duration"; }
  47                 }
  48
  49                 public static TimeSpan Parse (string s)
  50                 {
  51                         if (s.Length == 0)
  52                                 throw new ArgumentException ("Invalid format string for duration schema datatype.");
  53
  54                         int start = 0;
  55                         if (s [0] == '-')
  56                                 start = 1;
  57                         bool minusValue = (start == 1);
  58
  59                         if (s [start] != 'P')
  60                                 throw new ArgumentException ("Invalid format string for duration schema datatype.");
  61                         start++;
  62
  63                         int parseStep = 0;
  64                         int days = 0;
  65                         bool isTime = false;
  66                         int hours = 0;
  67                         int minutes = 0;
  68                         int seconds = 0;
  69
  70                         bool error = false;
  71
  72                         int i = start;
  73                         while (i < s.Length) {
  74                                 if (s [i] == 'T') {
  75                                         isTime = true;
  76                                         parseStep = 4;
  77                                         i++;
  78                                         start = i;
  79                                         continue;
  80                                 }
  81                                 for (; i < s.Length; i++) {
  82                                         if (!Char.IsDigit (s [i]))
  83                                                 break;
  84                                 }
  85                                 int value = int.Parse (s.Substring (start, i - start));
  86                                 switch (s [i]) {
  87                                 case 'Y':
  88                                         days += value * 365;
  89                                         if (parseStep > 0)
  90                                                 error = true;
  91                                         else
  92                                                 parseStep = 1;
  93                                         break;
  94                                 case 'M':
  95                                         if (parseStep < 2) {
  96                                                 days += 365 * (value / 12) + 30 * (value % 12);
  97                                                 parseStep = 2;
  98                                         } else if (isTime && parseStep < 6) {
  99                                                 minutes = value;
 100                                                 parseStep = 6;
 101                                         }
 102                                         else
 103                                                 error = true;
 104                                         break;
 105                                 case 'D':
 106                                         days += value;
 107                                         if (parseStep > 2)
 108                                                 error = true;
 109                                         else
 110                                                 parseStep = 3;
 111                                         break;
 112                                 case 'H':
 113                                         hours = value;
 114                                         if (!isTime || parseStep > 4)
 115                                                 error = true;
 116                                         else
 117                                                 parseStep = 5;
 118                                         break;
 119                                 case 'S':
 120                                         seconds = value;
 121                                         if (!isTime || parseStep > 6)
 122                                                 error = true;
 123                                         else
 124                                                 parseStep = 7;
 125                                         break;
 126                                 default:
 127                                         error = true;
 128                                         break;
 129                                 }
 130                                 if (error)
 131                                         break;
 132                                 ++i;
 133                                 start = i;
 134                         }
 135                         if (error)
 136                                 throw new ArgumentException ("Invalid format string for duration schema datatype.");
 137                         TimeSpan ts = new TimeSpan (days, hours, minutes, seconds);
 138                         return minusValue ? -ts : ts;
 139                 }
 140
 141                 public static string ToString (TimeSpan value)
 142                 {
 143                         StringBuilder builder = new StringBuilder();
 144                         if (value.Ticks < 0) {
 145                                 builder.Append('-');
 146                                 value = value.Negate();
 147                         }
 148                         builder.Append('P');
 149                         if (value.Days > 0) builder.Append(value.Days).Append('D');
 150                         if (value.Days > 0 || value.Minutes > 0 || value.Seconds > 0 || value.Milliseconds > 0) {
 151                                 builder.Append('T');
 152                                 if (value.Hours > 0) builder.Append(value.Hours).Append('D');
 153                                 if (value.Minutes > 0) builder.Append(value.Minutes).Append('M');
 154                                 if (value.Seconds > 0 || value.Milliseconds > 0) {
 155                                         builder.Append(value.Seconds);
 156                                         if (value.Milliseconds > 0) builder.Append('.').Append(String.Format("{0:000}", value.Milliseconds));
 157                                         builder.Append('S');
 158                                 }
 159                         }
 160                         return builder.ToString();
 161                 }
 162         }
 163 }