src/Tizen.NUI/src/internal/EXaml/LoadEXaml.cs

   1 /*
   2  * Copyright(c) 2021 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17 using System;
  18 using System.Collections.Generic;
  19 using System.ComponentModel;
  20
  21 namespace Tizen.NUI.EXaml
  22 {
  23     internal static class LoadEXaml
  24     {
  25         internal static void Load(object view, string xaml)
  26         {
  27             var globalDataList = new GlobalDataList();
  28
  29             CreateInstanceAction.Root = view;
  30
  31             int index = 0;
  32
  33             var createInstance = new CreateInstanceAction(globalDataList, null);
  34             var getObjectByProperty = new GetObjectByPropertyAction(globalDataList, null);
  35             var addExistInstance = new AddExistInstanceAction(globalDataList, null);
  36             var registerXName = new RegisterXNameAction(globalDataList, null);
  37             var setProperty = new SetPropertyAction(globalDataList, null);
  38             var addToCollectionProperty = new AddToCollectionPropertyAction(globalDataList, null);
  39             var addEvent = new AddEventAction(globalDataList, null);
  40             var setBindalbeProperty = new SetBindalbePropertyAction(globalDataList, null);
  41             var addObject = new CallAddMethodAction(globalDataList, null);
  42             var setDynamicResourceAction = new SetDynamicResourceAction(globalDataList, null);
  43             var addToResourceDictionaryAction = new AddToResourceDictionaryAction(globalDataList, null);
  44             var setBindingAction = new SetBindingAction(globalDataList, null);
  45
  46             foreach (char c in xaml)
  47             {
  48                 if (null == currentOp)
  49                 {
  50                     switch (c)
  51                     {
  52                         case '<':
  53                             if (0 == index)
  54                             {
  55                                 currentOp = new GatherAssembliesBlock(globalDataList, null);
  56                                 currentOp.Init();
  57                                 index++;
  58                             }
  59                             else if (1 == index)
  60                             {
  61                                 currentOp = new GatherTypesBlock(globalDataList, null);
  62                                 currentOp.Init();
  63                                 index++;
  64                             }
  65                             else if (2 == index)
  66                             {
  67                                 currentOp = new GatherPropertiesBlock(globalDataList, null);
  68                                 currentOp.Init();
  69                                 index++;
  70                             }
  71                             else if (3 == index)
  72                             {
  73                                 currentOp = new GatherEventsBlock(globalDataList, null);
  74                                 currentOp.Init();
  75                                 index++;
  76                             }
  77                             else if (4 == index)
  78                             {
  79                                 currentOp = new GatherMethodsBlock(globalDataList, null);
  80                                 currentOp.Init();
  81                                 index++;
  82                             }
  83                             else if (5 == index)
  84                             {
  85                                 currentOp = new GatherBindablePropertiesBlock(globalDataList, null);
  86                                 currentOp.Init();
  87                                 index++;
  88                             }
  89                             break;
  90
  91                         case '{':
  92                             currentOp = createInstance;
  93                             currentOp.Init();
  94                             break;
  95
  96                         case '`':
  97                             currentOp = getObjectByProperty;
  98                             currentOp.Init();
  99                             break;
 100
 101                         case '@':
 102                             currentOp = addExistInstance;
 103                             currentOp.Init();
 104                             break;
 105
 106                         case '&':
 107                             currentOp = registerXName;
 108                             currentOp.Init();
 109                             break;
 110
 111                         case '[':
 112                             currentOp = setProperty;
 113                             currentOp.Init();
 114                             break;
 115
 116                         case '~':
 117                             currentOp = addToCollectionProperty;
 118                             currentOp.Init();
 119                             break;
 120
 121                         case '#':
 122                             currentOp = addEvent;
 123                             currentOp.Init();
 124                             break;
 125
 126                         case '!':
 127                             currentOp = setBindalbeProperty;
 128                             currentOp.Init();
 129                             break;
 130
 131                         case '$':
 132                             currentOp = setDynamicResourceAction;
 133                             currentOp.Init();
 134                             break;
 135
 136                         case '^':
 137                             currentOp = addObject;
 138                             currentOp.Init();
 139                             break;
 140
 141                         case '*':
 142                             currentOp = addToResourceDictionaryAction;
 143                             currentOp.Init();
 144                             break;
 145
 146                         case '%':
 147                             currentOp = setBindingAction;
 148                             currentOp.Init();
 149                             break;
 150                     }
 151                 }
 152                 else
 153                 {
 154                     currentOp = currentOp.DealChar(c);
 155                 }
 156             }
 157
 158             foreach (var op in globalDataList.Operations)
 159             {
 160                 op.Do();
 161             }
 162         }
 163
 164         private static Action currentOp = null;
 165     }
 166 }