仿真平台内核初版 -tlib库 包含<sparc arm riscv powerPC>

lib/options-parser/Parser/ParseHelper.cs

@@ -0,0 +1,70 @@
+using System;
+using System.Linq;
+
+namespace Antmicro.OptionsParser
+{
+    public static class ParseHelper
+    {
+        public static bool TryParse<T>(string str, out T value)
+        {
+            object result;
+            if(TryParse(str, typeof(T), out result))
+            {
+                value = (T)result;
+                return true;
+            }
+
+            value = default(T);
+            return false;
+        }
+
+        public static bool TryParse(string str, Type type, out object value)
+        {
+            if(str == null)
+            {
+                value = null;
+                return false;
+            }
+            
+            if(type == typeof(string))
+            {
+                value = str;
+                return true;
+            }
+            
+            if(type.IsEnum)
+            {
+                try 
+                {
+                    value = Enum.Parse(type, str, true);
+                    return true;
+                }
+                catch(ArgumentException) 
+                {
+                    value = null;
+                    return false;
+                }
+            }
+
+            if(!SupportedTypes.Contains(type))
+            {
+                value = null;
+                return false;
+            }
+
+            var parameters = new object[] { str, null };
+            var parseMethod = type.GetMethod("TryParse", new [] { typeof(string), type.MakeByRefType() });
+            var result = (bool)parseMethod.Invoke(null, parameters);
+            value = parameters[1];
+            return result;
+        }
+
+        private static readonly Type[] SupportedTypes =
+        {
+            typeof(int),
+            typeof(bool),
+            typeof(float)
+        };
+    }
+}
+