converting works with no nested types

muhammad369 · Sep 12, 2021 · 1ee398b · 1ee398b
1 parent 3181d60
commit 1ee398b
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Showing 10 changed files with 209 additions and 10 deletions.
diff --git a/Form1.Designer.cs b/Form1.Designer.cs
diff --git a/Form1.cs b/Form1.cs
@@ -1,4 +1,5 @@
-using System;
+using Selim.Json;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
@@ -26,5 +27,34 @@ private void tableLayoutPanel2_Paint(object sender, PaintEventArgs e)
         {
 
         }
+
+        private void button1_Click(object sender, EventArgs e)
+        {
+            // copy btn
+            try
+            {
+                Clipboard.SetText(dartTextBox.Text);
+            }
+            catch { }
+        }
+
+        private void convertBtn_Click(object sender, EventArgs e)
+        {
+            if (String.IsNullOrWhiteSpace(jsonTextBox.Text)) return;
+            //
+            var jp = new JsonParser();
+            var json = jp.Parse(jsonTextBox.Text);
+
+            if (!(json is JsonObject))
+            {
+                //ShowDialog()
+                return;
+            }
+            //
+            var jObject = json as JsonObject;
+
+            jObject.setClassName(string.IsNullOrWhiteSpace(classNameTextBox.Text)? "RootClass" : classNameTextBox.Text);
+            dartTextBox.Text = jObject.createDartClass(new StringBuilder());
+        }
     }
 }
diff --git a/Json/JsonArray.cs b/Json/JsonArray.cs
@@ -83,6 +83,7 @@ public JsonArray addAll(bool[] arr)
 
         public int Length { get { return values.Count; } }
 
+
         public JsonValue[] getValues()
         {
             return values.ToArray();
@@ -215,5 +216,28 @@ public override void toString(StringBuilder sb, int? indents)
             }
 
 		}
-	}
+
+		public override string dartTypeName => $"List<{((Length == 0 || values[0] is JsonNull)? "Object?" : values[0].dartTypeName)}>";
+
+		public override string toDartMapAssignmentExpr(string name)
+        {
+			var nullType = (Length == 0 || values[0] is JsonNull);
+
+			return $"\t\tif (this.{name} != null) {{\r\n" +
+				$"\t\t\tdata['{name}'] = this.{name}?.map((v) => v).toList();\r\n" +
+				$"\t\t}}";
+        }
+
+        public override string toDartMapFetchingExpr(string name)
+        {
+			var nullType = (Length == 0 || values[0] is JsonNull);
+
+			return $"\t\tif (map['{name}'] != null) {{\r\n" +
+				$"\t\t\t{name} = [];\r\n" +
+				$"\t\t\tmap['{name}'].forEach((v) {{\r\n"+
+				$"\t\t\t\t{name}!.add(v);\r\n" +
+				$"\t\t\t}});\r\n" +
+				$"\t\t}}";
+		}
+    }
 }
diff --git a/Json/JsonBoolean.cs b/Json/JsonBoolean.cs
@@ -13,9 +13,19 @@ public JsonBoolean(bool value)
             this.value = value;
         }
 
-
+        public override string dartTypeName => "bool";
 
-		public override void toString(StringBuilder sb, int? indents)
+        public override string toDartMapAssignmentExpr(string name)
+        {
+            return $"\t\tdata['{name}'] = this.{name};";
+        }
+
+        public override string toDartMapFetchingExpr(string name)
+        {
+            return $"\t\t{name} = map['{name}'];";
+        }
+
+        public override void toString(StringBuilder sb, int? indents)
 		{
 			sb.Append(value ? "true" : "false");
 		}

diff --git a/Json/JsonNull.cs b/Json/JsonNull.cs
@@ -7,9 +7,19 @@ namespace Selim.Json
 {
     class JsonNull : JsonValue
     {
+        public override string dartTypeName => "Object";
 
-
-		public override void toString(StringBuilder sb, int? indents)
+        public override string toDartMapAssignmentExpr(string name)
+        {
+            return $"\t\tdata['{name}'] = this.{name};";
+        }
+
+        public override string toDartMapFetchingExpr(string name)
+        {
+            return $"\t\t{name} = map['{name}'];";
+        }
+
+        public override void toString(StringBuilder sb, int? indents)
 		{
 			sb.Append("null");
 		}

diff --git a/Json/JsonNumber.cs b/Json/JsonNumber.cs
@@ -13,8 +13,19 @@ public JsonNumber(double value)
             this.value = value;
         }
 
+        public override string dartTypeName => value%1==0? "int" : "double";
 
-		public override void toString(StringBuilder sb, int? indents)
+        public override string toDartMapAssignmentExpr(string name)
+        {
+            return $"\t\tdata['{name}'] = this.{name};";
+        }
+
+        public override string toDartMapFetchingExpr(string name)
+        {
+            return $"\t\t{name} = map['{name}'];";
+        }
+
+        public override void toString(StringBuilder sb, int? indents)
 		{
 			sb.Append(value.ToString());
 		}

diff --git a/Json/JsonObject.cs b/Json/JsonObject.cs
@@ -165,7 +165,78 @@ public override void toString(StringBuilder sb, int? indents)
             }
         }
 
-	}
+
+        public override string dartTypeName => className ?? throw new Exception("set class name first");
+
+
+        public override string toDartMapAssignmentExpr(string name)
+        {
+            return $"\t\tif (this.{name} != null) {{\r\n" +
+                   $"\t\t\tdata['{name}'] = this.{name}?.toMap();\r\n"+
+                   $"\t\t}}";
+        }
+
+        public override string toDartMapFetchingExpr(string name)
+        {
+            return $"\t{name} = map['{name}'] != null ? ({dartTypeName}()..fromMap(map['{name}'])) : null;";
+        }
+
+        string className;
+        public void setClassName(string name) => className = name;
+
+        public string createDartClass(StringBuilder sb)
+        {
+            sb.AppendLine($"class {dartTypeName} extends Serializable{{");
+
+            // declarations
+            foreach (var item in this.nameValues)
+            {
+                sb.AppendLine(item.value.toDartFieldDeclaration(item.name));
+            }
+
+            sb.AppendLine();
+
+            // constructor
+            sb.Append($"\t{dartTypeName}({{");
+            foreach (var item in this.nameValues)
+            {
+                sb.Append(item.value.toDartConstuctorParam(item.name));
+            }
+            sb.AppendLine("});");
+            sb.AppendLine();
+
+            // from map method
+            sb.AppendLine("\t@override");
+            sb.AppendLine("\tvoid fromMap(Map<String, dynamic> map) {");
+            //
+            foreach (var item in this.nameValues)
+            {
+                sb.AppendLine(item.value.toDartMapFetchingExpr(item.name));
+            }
+            //
+            sb.AppendLine("\t}");
+            sb.AppendLine();
+
+            // to map method
+            sb.AppendLine("\t@override");
+            sb.AppendLine("\tMap<String, dynamic> toMap() {");
+            sb.AppendLine("\t\tfinal Map<String, dynamic> data = new Map<String, dynamic>();");
+            //
+            foreach (var item in this.nameValues)
+            {
+                sb.AppendLine(item.value.toDartMapAssignmentExpr(item.name));
+            }
+            //
+            sb.AppendLine("\t\treturn data;");
+            sb.AppendLine("\t}");
+
+
+            sb.AppendLine("}");
+            //
+            return sb.ToString();
+        }
+
+    }
 
 
     public class NameValue

diff --git a/Json/JsonString.cs b/Json/JsonString.cs
@@ -13,8 +13,20 @@ public JsonString(string value)
             this.value = value;
         }
 
-
-		public override void toString(StringBuilder sb, int? indents)
+        public override string dartTypeName => "String";
+
+
+        public override string toDartMapAssignmentExpr(string name)
+        {
+            return $"\t\tdata['{name}'] = this.{name};";
+        }
+
+        public override string toDartMapFetchingExpr(string name)
+        {
+            return $"\t\t{name} = map['{name}'];";
+        }
+
+        public override void toString(StringBuilder sb, int? indents)
 		{
 			sb.AppendFormat("\"{0}\"", value.Replace("\"","\\\""));
 		}

diff --git a/Json/JsonValue.cs b/Json/JsonValue.cs
@@ -40,5 +40,33 @@ protected void appendMany(StringBuilder sb, string s,int times)
             }
         }
 
+        // dart methods
+
+        public string toDartFieldDeclaration(string name)
+        {
+            return $"\t{this.dartTypeName}? {name};";
+        }
+
+        public string toDartConstuctorParam(string name)
+        {
+            return $"this.{name}, ";
+        }
+
+        /// <summary>
+        /// to be used in toMap()
+        /// </summary>
+        /// <param name="name"></param>
+        /// <returns></returns>
+        public abstract string toDartMapAssignmentExpr(string name);
+
+        /// <summary>
+        /// to be used in fromMap()
+        /// </summary>
+        /// <param name="name"></param>
+        /// <returns></returns>
+        public abstract string toDartMapFetchingExpr(string name);
+
+        public abstract string dartTypeName { get; }
+
     }
 }
diff --git a/README.md b/README.md
@@ -1,4 +1,5 @@
 # JsonToDart
 
 A Dotnet App to create dart class from json
+
 The dart class extends Serializable base class