src/Tizen.NUI/src/internal/EXaml/Action/GetValueAction.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using System.Text;
   4 using Tizen.NUI.Binding;
   5
   6 namespace Tizen.NUI.EXaml
   7 {
   8     internal class GetValueAction : Action
   9     {
  10         public GetValueAction(char sign, Action parent)
  11         {
  12             this.sign = sign;
  13             this.parent = parent;
  14         }
  15         private char sign;
  16         private Action parent;
  17
  18         private delegate object GetValueByString(string value);
  19
  20         private static GetValueByString[] getValueByStrings = null;
  21         private static GetValueByString[] GetValueByStrings
  22         {
  23             get
  24             {
  25                 if (null == getValueByStrings)
  26                 {
  27                     getValueByStrings = new GetValueByString['p' - 'a' + 2];
  28
  29                     getValueByStrings[0] = (string value) =>
  30                     {
  31                         return value;
  32                     };
  33
  34                     //'a' -> 1 Ojbect
  35                     getValueByStrings[1] = (string value) =>
  36                     {
  37                         int index = int.Parse(value);
  38                         return new Instance(index);
  39                     };
  40
  41                     //b SByte
  42                     getValueByStrings[2] = (string value) =>
  43                     {
  44                         return SByte.Parse(value);
  45                     };
  46
  47                     //c Int16
  48                     getValueByStrings[3] = (string value) =>
  49                     {
  50                         return Int16.Parse(value);
  51                     };
  52
  53                     //d Int32
  54                     getValueByStrings[4] = (string value) =>
  55                     {
  56                         return Int32.Parse(value);
  57                     };
  58
  59                     //e Int64
  60                     getValueByStrings[5] = (string value) =>
  61                     {
  62                         return Int64.Parse(value);
  63                     };
  64
  65                     //f Byte
  66                     getValueByStrings[6] = (string value) =>
  67                     {
  68                         return Byte.Parse(value);
  69                     };
  70
  71                     //g UInt16
  72                     getValueByStrings[7] = (string value) =>
  73                     {
  74                         return UInt16.Parse(value);
  75                     };
  76
  77                     //h UInt32
  78                     getValueByStrings[8] = (string value) =>
  79                     {
  80                         return UInt32.Parse(value);
  81                     };
  82
  83                     //i UInt64
  84                     getValueByStrings[9] = (string value) =>
  85                     {
  86                         return UInt64.Parse(value);
  87                     };
  88
  89                     //j Single
  90                     getValueByStrings[10] = (string value) =>
  91                     {
  92                         return Single.Parse(value);
  93                     };
  94
  95                     //k Double
  96                     getValueByStrings[11] = (string value) =>
  97                     {
  98                         return Double.Parse(value);
  99                     };
 100
 101                     //l Boolean
 102                     getValueByStrings[12] = (string value) =>
 103                     {
 104                         return Boolean.Parse(value);
 105                     };
 106
 107                     //m TimeSpan
 108                     getValueByStrings[13] = (string value) =>
 109                     {
 110                         return TimeSpan.Parse(value);
 111                     };
 112
 113                     //n decimal
 114                     getValueByStrings[14] = (string value) =>
 115                     {
 116                         return decimal.Parse(value);
 117                     };
 118
 119                     //o enum
 120                     getValueByStrings[15] = (string value) =>
 121                     {
 122                         //Should be deal prev
 123                         return null;
 124                     };
 125                 }
 126
 127                 return getValueByStrings;
 128             }
 129         }
 130
 131         public Action DealChar(char c)
 132         {
 133             if (c == sign)
 134             {
 135                 switch (sign)
 136                 {
 137                     case '\"':
 138                         Value = GetValueByStrings[0](valueString);
 139                         break;
 140
 141                     case 'z':
 142                         Value = null;
 143                         break;
 144
 145                     default:
 146                         Value = GetValueByStrings[c - 'a' + 1](valueString);
 147                         break;
 148                 }
 149
 150                 parent?.OnActive();
 151                 return parent;
 152             }
 153
 154             if ('\"' != sign)
 155             {
 156                 switch (c)
 157                 {
 158                     case ' ':
 159                     case '\n':
 160                     case '\r':
 161                         return this;
 162
 163                     case '(':
 164                         getValueList = new GetValueListAction(')', this);
 165                         return getValueList;
 166                 }
 167             }
 168
 169             valueString += c;
 170
 171             return this;
 172         }
 173
 174         private string valueString;
 175
 176         private GetValueListAction getValueList;
 177
 178         public object Value
 179         {
 180             get;
 181             private set;
 182         }
 183
 184         public void Init()
 185         {
 186             valueString = "";
 187         }
 188
 189         public void OnActive()
 190         {
 191         }
 192     }
 193 }