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Code Issues Releases Activity

Separate construction from parsing in PEFormat class

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This commit is contained in:
bird_egop 2025-04-12 17:05:23 +03:00
parent 666a592217
commit 61a86f6681
2 changed files with 59 additions and 42 deletions
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16
X86Disassembler/PE/PEFormat.cs
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@ -57,7 +57,7 @@ namespace X86Disassembler.PE
public List<ImportDescriptor> ImportDescriptors { get; private set; } public List<ImportDescriptor> ImportDescriptors { get; private set; }
/// <summary> /// <summary>
/// Parses a PE file from the given byte array /// Initializes a new instance of the PEFormat class
/// </summary> /// </summary>
/// <param name="fileData">The raw file data</param> /// <param name="fileData">The raw file data</param>
public PEFormat(byte[] fileData) public PEFormat(byte[] fileData)
@ -66,13 +66,15 @@ namespace X86Disassembler.PE
SectionHeaders = new List<SectionHeader>(); SectionHeaders = new List<SectionHeader>();
ExportedFunctions = new List<ExportedFunction>(); ExportedFunctions = new List<ExportedFunction>();
ImportDescriptors = new List<ImportDescriptor>(); ImportDescriptors = new List<ImportDescriptor>();
Parse();
} }
/// <summary> /// <summary>
/// Parses the PE file structure /// Parses the PE file structure
/// </summary> /// </summary>
private void Parse() /// <returns>True if parsing was successful, false otherwise</returns>
public bool Parse()
{
try
{ {
using (MemoryStream stream = new MemoryStream(_fileData)) using (MemoryStream stream = new MemoryStream(_fileData))
using (BinaryReader reader = new BinaryReader(stream)) using (BinaryReader reader = new BinaryReader(stream))
@ -117,6 +119,14 @@ namespace X86Disassembler.PE
ImportDescriptors = ParseImportDescriptors(reader, OptionalHeader.DataDirectories[IMAGE_DIRECTORY_ENTRY_IMPORT].VirtualAddress); ImportDescriptors = ParseImportDescriptors(reader, OptionalHeader.DataDirectories[IMAGE_DIRECTORY_ENTRY_IMPORT].VirtualAddress);
} }
} }
return true;
}
catch (Exception ex)
{
Console.WriteLine($"Error parsing PE file: {ex.Message}");
return false;
}
} }
/// <summary> /// <summary>

9
X86Disassembler/Program.cs
View File

@ -22,9 +22,16 @@ namespace X86Disassembler
Console.WriteLine($"Successfully loaded {DllPath}"); Console.WriteLine($"Successfully loaded {DllPath}");
Console.WriteLine($"File size: {binaryData.Length} bytes"); Console.WriteLine($"File size: {binaryData.Length} bytes");
// Create the PE format parser
PEFormat peFile = new PEFormat(binaryData);
// Parse the PE format // Parse the PE format
Console.WriteLine("\nParsing PE format..."); Console.WriteLine("\nParsing PE format...");
PEFormat peFile = new PEFormat(binaryData); if (!peFile.Parse())
{
Console.WriteLine("Failed to parse PE file. Exiting.");
return;
}
// Display basic PE information // Display basic PE information
DisplayPEInfo(peFile); DisplayPEInfo(peFile);