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

   1 //
   2 // System.Runtime.Remoting.Metadata.W3cXsd2001.SoapDuration.cs
   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         [System.Runtime.InteropServices.ComVisible (true)]
  41         public sealed class SoapDuration
  42         {
  43                 public SoapDuration()
  44                 {
  45                 }
  46
  47                 public static string XsdType {
  48                         get { return "duration"; }
  49                 }
  50
  51                 public static TimeSpan Parse (string value)
  52                 {
  53                         if (value.Length == 0)
  54                                 throw new ArgumentException ("Invalid format string for duration schema datatype.");
  55
  56                         int start = 0;
  57                         if (value [0] == '-')
  58                                 start = 1;
  59                         bool minusValue = (start == 1);
  60
  61                         if (value [start] != 'P')
  62                                 throw new ArgumentException ("Invalid format string for duration schema datatype.");
  63                         start++;
  64
  65                         int parseStep = 0;
  66                         int days = 0;
  67                         bool isTime = false;
  68                         int hours = 0;
  69                         int minutes = 0;
  70                         double seconds = 0;
  71
  72                         bool error = false;
  73
  74                         int i = start;
  75                         while (i < value.Length) {
  76                                 if (value [i] == 'T') {
  77                                         isTime = true;
  78                                         parseStep = 4;
  79                                         i++;
  80                                         start = i;
  81                                         continue;
  82                                 }
  83                                 bool isIntegerValue = true;
  84                                 int dotOccurence = 0;
  85                                 for (; i < value.Length; i++)
  86                                 {
  87                                         if (!Char.IsDigit (value [i]))
  88                                         {
  89                                                 //check if it is a non integer value.
  90                                                 if (value[i] == '.')
  91                                                 {
  92                                                         isIntegerValue = false;
  93                                                         dotOccurence++;
  94                                                         //if there is more than one dot in the number
  95                                                         //than its an error
  96                                                         if (dotOccurence > 1 )
  97                                                         {
  98                                                                 error = true;
  99                                                                 break;
 100                                                         }
 101                                                 }
 102                                                 else
 103                                                         break;
 104                                         }
 105                                 }
 106
 107                                 int intValue = -1;
 108                                 double doubleValue = -1;
 109                                 if (isIntegerValue)
 110                                         intValue = int.Parse (value.Substring (start, i - start));
 111                                 else
 112                                         doubleValue = double.Parse (value.Substring (start, i - start), CultureInfo.InvariantCulture);
 113                                 switch (value [i]) {
 114                                 case 'Y':
 115                                         days += intValue * 365;
 116                                         if (parseStep > 0 || !isIntegerValue)
 117                                                 error = true;
 118                                         else
 119                                                 parseStep = 1;
 120                                         break;
 121                                 case 'M':
 122                                         if (parseStep < 2 && isIntegerValue) {
 123                                                 days += 365 * (intValue / 12) + 30 * (intValue % 12);
 124                                                 parseStep = 2;
 125                                         } else if (isTime && parseStep < 6 && isIntegerValue) {
 126                                                 minutes = intValue;
 127                                                 parseStep = 6;
 128                                         }
 129                                         else
 130                                                 error = true;
 131                                         break;
 132                                 case 'D':
 133                                         days += intValue;
 134                                         if (parseStep > 2 || !isIntegerValue)
 135                                                 error = true;
 136                                         else
 137                                                 parseStep = 3;
 138                                         break;
 139                                 case 'H':
 140                                         hours = intValue;
 141                                         if (!isTime || parseStep > 4 || !isIntegerValue)
 142                                                 error = true;
 143                                         else
 144                                                 parseStep = 5;
 145                                         break;
 146                                 case 'S':
 147                                         if (isIntegerValue)
 148                                                 seconds = intValue;
 149                                         else
 150                                                 seconds = doubleValue;
 151                                         if (!isTime || parseStep > 6)
 152                                                 error = true;
 153                                         else
 154                                                 parseStep = 7;
 155                                         break;
 156                                 default:
 157                                         error = true;
 158                                         break;
 159                                 }
 160                                 if (error)
 161                                         break;
 162                                 ++i;
 163                                 start = i;
 164                         }
 165                         if (error)
 166                                 throw new ArgumentException ("Invalid format string for duration schema datatype.");
 167                         TimeSpan ts = new TimeSpan (days, hours, minutes, 0) + TimeSpan.FromSeconds (seconds);
 168                         return minusValue ? -ts : ts;
 169                 }
 170
 171                 public static string ToString (TimeSpan timeSpan)
 172                 {
 173                         StringBuilder builder = new StringBuilder();
 174                         if (timeSpan.Ticks < 0) {
 175                                 builder.Append('-');
 176                                 timeSpan = timeSpan.Negate();
 177                         }
 178                         builder.Append('P');
 179                         if (timeSpan.Days > 0) builder.Append(timeSpan.Days).Append('D');
 180                         if (timeSpan.Days > 0 || timeSpan.Minutes > 0 || timeSpan.Seconds > 0 || timeSpan.Milliseconds > 0) {
 181                                 builder.Append('T');
 182                                 if (timeSpan.Hours > 0) builder.Append(timeSpan.Hours).Append('H');
 183                                 if (timeSpan.Minutes > 0) builder.Append(timeSpan.Minutes).Append('M');
 184                                 if (timeSpan.Seconds > 0 || timeSpan.Milliseconds > 0) {
 185                                         double secs = (double) timeSpan.Seconds;
 186                                         if (timeSpan.Milliseconds > 0)
 187                                                 secs += ((double)timeSpan.Milliseconds) / 1000.0;
 188                                         builder.Append(String.Format(CultureInfo.InvariantCulture, "{0:0.0000000}", secs));
 189                                         builder.Append('S');
 190                                 }
 191                         }
 192                         return builder.ToString();
 193                 }
 194         }
 195 }