Move solution and projects to src

src/Spv.Generator/LiteralString.cs

@@ -0,0 +1,54 @@
+using System;
+using System.IO;
+using System.Text;
+
+namespace Spv.Generator
+{
+    public class LiteralString : Operand, IEquatable<LiteralString>
+    {
+        public OperandType Type => OperandType.String;
+
+        private string _value;
+
+        public LiteralString(string value)
+        {
+            _value = value;
+        }
+
+        public ushort WordCount => (ushort)(_value.Length / 4 + 1);
+
+        public void WriteOperand(BinaryWriter writer)
+        {
+            writer.Write(_value.AsSpan());
+
+            // String must be padded to the word size (which is 4 bytes).
+            int paddingSize = 4 - (Encoding.ASCII.GetByteCount(_value) % 4);
+
+            Span<byte> padding = stackalloc byte[paddingSize];
+
+            writer.Write(padding);
+        }
+
+        public override bool Equals(object obj)
+        {
+            return obj is LiteralString literalString && Equals(literalString);
+        }
+
+        public bool Equals(LiteralString cmpObj)
+        {
+            return Type == cmpObj.Type && _value.Equals(cmpObj._value);
+        }
+
+        public override int GetHashCode()
+        {
+            return DeterministicHashCode.Combine(Type, DeterministicHashCode.GetHashCode(_value));
+        }
+
+        public bool Equals(Operand obj)
+        {
+            return obj is LiteralString literalString && Equals(literalString);
+        }
+
+        public override string ToString() => _value;
+    }
+}