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                 //Console.Write(c);
  49                 if (null == currentOp)
  50                 {
  51                     switch (c)
  52                     {
  53                         case '<':
  54                             if (0 == index)
  55                             {
  56                                 currentOp = new GatherAssembliesBlock(globalDataList, null);
  57                                 currentOp.Init();
  58                                 index++;
  59                             }
  60                             else if (1 == index)
  61                             {
  62                                 currentOp = new GatherTypesBlock(globalDataList, null);
  63                                 currentOp.Init();
  64                                 index++;
  65                             }
  66                             else if (2 == index)
  67                             {
  68                                 currentOp = new GatherPropertiesBlock(globalDataList, null);
  69                                 currentOp.Init();
  70                                 index++;
  71                             }
  72                             else if (3 == index)
  73                             {
  74                                 currentOp = new GatherEventsBlock(globalDataList, null);
  75                                 currentOp.Init();
  76                                 index++;
  77                             }
  78                             else if (4 == index)
  79                             {
  80                                 currentOp = new GatherMethodsBlock(globalDataList, null);
  81                                 currentOp.Init();
  82                                 index++;
  83                             }
  84                             else if (5 == index)
  85                             {
  86                                 currentOp = new GatherBindablePropertiesBlock(globalDataList, null);
  87                                 currentOp.Init();
  88                                 index++;
  89                             }
  90                             break;
  91
  92                         case '{':
  93                             currentOp = createInstance;
  94                             currentOp.Init();
  95                             break;
  96
  97                         case '`':
  98                             currentOp = getObjectByProperty;
  99                             currentOp.Init();
 100                             break;
 101
 102                         case '@':
 103                             currentOp = addExistInstance;
 104                             currentOp.Init();
 105                             break;
 106
 107                         case '&':
 108                             currentOp = registerXName;
 109                             currentOp.Init();
 110                             break;
 111
 112                         case '[':
 113                             currentOp = setProperty;
 114                             currentOp.Init();
 115                             break;
 116
 117                         case '~':
 118                             currentOp = addToCollectionProperty;
 119                             currentOp.Init();
 120                             break;
 121
 122                         case '#':
 123                             currentOp = addEvent;
 124                             currentOp.Init();
 125                             break;
 126
 127                         case '!':
 128                             currentOp = setBindalbeProperty;
 129                             currentOp.Init();
 130                             break;
 131
 132                         case '$':
 133                             currentOp = setDynamicResourceAction;
 134                             currentOp.Init();
 135                             break;
 136
 137                         case '^':
 138                             currentOp = addObject;
 139                             currentOp.Init();
 140                             break;
 141
 142                         case '*':
 143                             currentOp = addToResourceDictionaryAction;
 144                             currentOp.Init();
 145                             break;
 146
 147                         case '%':
 148                             currentOp = setBindingAction;
 149                             currentOp.Init();
 150                             break;
 151                     }
 152                 }
 153                 else
 154                 {
 155                     currentOp = currentOp.DealChar(c);
 156                 }
 157             }
 158
 159             foreach (var op in globalDataList.Operations)
 160             {
 161                 op.Do();
 162             }
 163         }
 164
 165         private static Action currentOp = null;
 166     }
 167 }