placeholder as object

Author: RomanSoloweow

src/SimpleStateMachine.StructuralSearch.Tests/Mock/EmptyParsingContext.cs

@@ -2,7 +2,7 @@
 {
     public class EmptyParsingContext : IParsingContext
     {
-        public bool TryGetPlaceholder(string name, out string value)
+        public bool TryGetPlaceholder(string name, out Placeholder value)
         {
             throw new System.NotImplementedException();
         }
@@ -12,9 +12,9 @@ public void AddPlaceholder(string name, string value)
             throw new System.NotImplementedException();
         }
 
-        public string GetPlaceholder(string name)
+        public Placeholder GetPlaceholder(string name)
         {
-            return name;
+            return new Placeholder(this, name, string.Empty);
         }
     }
 }

src/SimpleStateMachine.StructuralSearch.Tests/PlaceholderParserTests.cs

@@ -21,9 +21,9 @@ public void TemplateParsingShouldBeSuccess(string template, string source, strin
             var parsingContext = new ParsingContext();
             var templateParser = StructuralSearch.ParseFindTemplate(template);
             var res = templateParser.Parse(parsingContext, source);
-            var value = parsingContext.GetPlaceholder("test");
+            var placeholder = parsingContext.GetPlaceholder("test");
 
-            Assert.Equal(value, result);
+            Assert.Equal(placeholder.Value, result);
         }
 
         [Theory]

src/SimpleStateMachine.StructuralSearch/IParsingContext.cs

@@ -2,10 +2,10 @@
 {
     public interface IParsingContext
     {
-        bool TryGetPlaceholder(string name, out string value);
+        bool TryGetPlaceholder(string name, out Placeholder value);
 
         void AddPlaceholder(string name, string value);
 
-        string GetPlaceholder(string name);
+        Placeholder GetPlaceholder(string name);
     }
 }

src/SimpleStateMachine.StructuralSearch/Parsers/PlaceholderParser.cs

@@ -16,8 +16,8 @@ public PlaceholderParser(string name)
 
         public string Name { get; }
 
-        public override Parser<char, string> BuildParser(Func<Parser<char, string>> next,
-            Func<Parser<char, string>> nextNext)
+        public override Parser<char, string> BuildParser(Func<Parser<char, string>?> next,
+            Func<Parser<char, string>?> nextNext)
         {
             var _next = next();
             var _nextNext = nextNext() ?? Parser<char>.End.ThenReturn(string.Empty);
@@ -60,9 +60,9 @@ public override bool TryParse(ref ParseState<char> state, ref PooledList<Expecte
             bool res;
 
             // No use look-ahead if placeholder is already defined
-            if (_context.TryGetPlaceholder(Name, out var value))
+            if (_context.TryGetPlaceholder(Name, out var placeholder))
             {
-                res = Parser.String(value).TryParse(ref state, ref expected, out result);
+                res = Parser.String(placeholder.Value).TryParse(ref state, ref expected, out result);
             }
             else
             {

src/SimpleStateMachine.StructuralSearch/ParsingContext.cs

@@ -4,19 +4,19 @@ namespace SimpleStateMachine.StructuralSearch
 {
     public class ParsingContext : IParsingContext
     {
-        public Dictionary<string, string> Placeholders { get; } = new();
+        public Dictionary<string, Placeholder> Placeholders { get; } = new();
 
-        public bool TryGetPlaceholder(string name, out string value)
+        public bool TryGetPlaceholder(string name, out Placeholder value)
         {
             return Placeholders.TryGetValue(name, out value);
         }
 
         public void AddPlaceholder(string name, string value)
         {
-            Placeholders[name] = value;
+            Placeholders[name] = new Placeholder(this, name, value);
         }
 
-        public string GetPlaceholder(string name)
+        public Placeholder GetPlaceholder(string name)
         {
             return Placeholders[name];
         }

src/SimpleStateMachine.StructuralSearch/Placeholder.cs

@@ -0,0 +1,8 @@
+namespace SimpleStateMachine.StructuralSearch
+{
+    public class Column
+    {
+        public readonly int Start;
+        public readonly int End;
+    }
+}

src/SimpleStateMachine.StructuralSearch/Placeholder/Column.cs

@@ -0,0 +1,11 @@
+namespace SimpleStateMachine.StructuralSearch
+{
+    public class FileProperty
+    {
+        public readonly string Path;
+        public readonly string Data;
+        public readonly string Name;
+        public readonly string Directory;
+        public readonly int Lenght;
+    }
+}

src/SimpleStateMachine.StructuralSearch/Placeholder/FileProperty.cs

@@ -0,0 +1,8 @@
+namespace SimpleStateMachine.StructuralSearch
+{
+    public class LineProperty
+    {
+        public readonly int Start;
+        public readonly int End;
+    }
+}

src/SimpleStateMachine.StructuralSearch/Placeholder/LineProperty.cs

@@ -0,0 +1,8 @@
+namespace SimpleStateMachine.StructuralSearch
+{
+    public class OffsetProperty
+    {
+        public readonly int Start;
+        public readonly int End;
+    }
+}