Refactor PEFormat into smaller classes following Single Responsibility Principle

X86Disassembler/PE/Parsers/SectionHeaderParser.cs

@@ -0,0 +1,52 @@
+using System.IO;
+using System.Text;
+
+namespace X86Disassembler.PE.Parsers
+{
+    /// <summary>
+    /// Parser for section headers in a PE file
+    /// </summary>
+    public class SectionHeaderParser : IParser<SectionHeader>
+    {
+        /// <summary>
+        /// Parse a section header from the binary reader
+        /// </summary>
+        /// <param name="reader">The binary reader positioned at the start of the section header</param>
+        /// <returns>The parsed section header</returns>
+        public SectionHeader Parse(BinaryReader reader)
+        {
+            SectionHeader header = new SectionHeader();
+            
+            // Read section name (8 bytes)
+            byte[] nameBytes = reader.ReadBytes(8);
+            // Convert to string, removing any null characters
+            header.Name = Encoding.ASCII.GetString(nameBytes).TrimEnd('\0');
+            
+            header.VirtualSize = reader.ReadUInt32();
+            header.VirtualAddress = reader.ReadUInt32();
+            header.SizeOfRawData = reader.ReadUInt32();
+            header.PointerToRawData = reader.ReadUInt32();
+            header.PointerToRelocations = reader.ReadUInt32();
+            header.PointerToLinenumbers = reader.ReadUInt32();
+            header.NumberOfRelocations = reader.ReadUInt16();
+            header.NumberOfLinenumbers = reader.ReadUInt16();
+            header.Characteristics = reader.ReadUInt32();
+            
+            return header;
+        }
+        
+        /// <summary>
+        /// Checks if a section contains code
+        /// </summary>
+        /// <param name="section">The section to check</param>
+        /// <returns>True if the section contains code, false otherwise</returns>
+        public bool IsSectionContainsCode(SectionHeader section)
+        {
+            const uint IMAGE_SCN_CNT_CODE = 0x00000020;     // Section contains code
+            const uint IMAGE_SCN_MEM_EXECUTE = 0x20000000;   // Section is executable
+            
+            return (section.Characteristics & IMAGE_SCN_CNT_CODE) != 0 ||
+                   (section.Characteristics & IMAGE_SCN_MEM_EXECUTE) != 0;
+        }
+    }
+}