Use constant in ToString templates

Author: RomanSoloweow

src/SimpleStateMachine.StructuralSearch/Rule/FindRule/BinaryRule.cs

@@ -27,7 +27,7 @@ public bool Execute(string value)
 
         public override string ToString()
         {
-            return $"{Left} {Type} {Right}";
+            return $"{Left}{Constant.Space}{Type}{Constant.Space}{Right}";
         } 
     }
 }

src/SimpleStateMachine.StructuralSearch/Rule/FindRule/InRule.cs

@@ -23,7 +23,7 @@ public bool Execute(string value)
 
         public override string ToString()
         {
-            return $"{Type} {string.Join(" ", Parameters.Select(x=>x.ToString()))}";
+            return $"{Type}{Constant.Space}{string.Join(Constant.Space, Parameters.Select(x=>x.ToString()))}";
         }  
     }
 }

src/SimpleStateMachine.StructuralSearch/Rule/FindRule/IsRule.cs

@@ -30,7 +30,7 @@ public bool Execute(string value)
 
         public override string ToString()
         {
-            return $"{Type} {PlaceholderType}";
+            return $"{Type}{Constant.Space}{PlaceholderType}";
         }  
     }
 }

src/SimpleStateMachine.StructuralSearch/Rule/FindRule/PlaceholderColumnParameter.cs

@@ -18,7 +18,7 @@ public string GetValue()
 
         public override string ToString()
         {
-            return $"{PlaceholderParameter}.{PlaceholderProperty.Column}.{Property}";
+            return $"{PlaceholderParameter}{Constant.Dote}{PlaceholderProperty.Column}{Constant.Dote}{Property}";
         } 
     }
 }

src/SimpleStateMachine.StructuralSearch/Rule/FindRule/PlaceholderFileParameter.cs

@@ -18,7 +18,7 @@ public string GetValue()
 
         public override string ToString()
         {
-            return $"{PlaceholderParameter}.{PlaceholderProperty.File}.{Property}";
+            return $"{PlaceholderParameter}{Constant.Dote}{PlaceholderProperty.File}{Constant.Dote}{Property}";
         } 
     }
 }

src/SimpleStateMachine.StructuralSearch/Rule/FindRule/PlaceholderLenghtParameter.cs

@@ -20,7 +20,7 @@ public string GetValue()
 
         public override string ToString()
         {
-            return $"{PlaceholderParameter}.{Property}";
+            return $"{PlaceholderParameter}{Constant.Dote}{Property}";
         } 
     }
 }

src/SimpleStateMachine.StructuralSearch/Rule/FindRule/PlaceholderLineParameter.cs

@@ -18,7 +18,7 @@ public string GetValue()
 
         public override string ToString()
         {
-            return $"{PlaceholderParameter}.{PlaceholderProperty.Line}.{Property}";
+            return $"{PlaceholderParameter}{Constant.Dote}{PlaceholderProperty.Line}{Constant.Dote}{Property}";
         } 
     }
 }

src/SimpleStateMachine.StructuralSearch/Rule/FindRule/PlaceholderOffsetParameter.cs

@@ -17,7 +17,7 @@ public string GetValue()
 
         public override string ToString()
         {
-            return $"{PlaceholderParameter}.{PlaceholderProperty.Offset}.{Property}";
+            return $"{PlaceholderParameter}{Constant.Dote}{PlaceholderProperty.Offset}{Constant.Dote}{Property}";
         } 
     }
 }

src/SimpleStateMachine.StructuralSearch/Rule/FindRule/PlaceholderParameter.cs

@@ -16,7 +16,7 @@ public string GetValue()
 
         public override string ToString()
         {
-            return $"${Name}$";
+            return $"{Constant.PlaceholderSeparator}{Name}{Constant.PlaceholderSeparator}";
         } 
     }
 }

src/SimpleStateMachine.StructuralSearch/Rule/FindRule/Rule.cs

@@ -19,7 +19,7 @@ public bool Execute(string value)
 
         public override string ToString()
         {
-            return $"{Placeholder} {_rule}";
+            return $"{Placeholder}{Constant.Space}{_rule}";
         } 
     }
 }