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Code Issues 295 Packages Projects Releases 20 Wiki Activity

Handle casting exceptions

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This commit is contained in:
Matt Nadareski
2022-12-08 13:13:16 -08:00
parent 713b1c83e1
commit cf9cc30d5e
2 changed files with 85 additions and 40 deletions
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100
BurnOutSharp.Builder/Extensions.cs
View File

@@ -130,11 +130,14 @@ namespace BurnOutSharp.Builder
/// </summary>
public static string ReadString(this byte[] content, ref int offset, Encoding encoding)
{
if (offset >= content.Length)
return null;
byte[] nullTerminator = encoding.GetBytes(new char[] { '\0' });
int charWidth = nullTerminator.Length;
List<char> keyChars = new List<char>();
while (BitConverter.ToUInt16(content, offset) != 0x0000)
while (offset < content.Length && BitConverter.ToUInt16(content, offset) != 0x0000)
{
keyChars.Add(encoding.GetChars(content, offset, charWidth)[0]); offset += charWidth;
}
@@ -266,13 +269,16 @@ namespace BurnOutSharp.Builder
/// </summary>
public static string ReadString(this Stream stream, Encoding encoding)
{
if (stream.Position >= stream.Length)
return null;
byte[] nullTerminator = encoding.GetBytes(new char[] { '\0' });
int charWidth = nullTerminator.Length;
List<byte> tempBuffer = new List<byte>();
byte[] buffer = new byte[charWidth];
while (stream.Read(buffer, 0, charWidth) != 0 && !buffer.SequenceEqual(nullTerminator))
while (stream.Position < stream.Length && stream.Read(buffer, 0, charWidth) != 0 && !buffer.SequenceEqual(nullTerminator))
{
tempBuffer.AddRange(buffer);
}
@@ -529,9 +535,12 @@ namespace BurnOutSharp.Builder
// Read the menu resource as a string
dialogTemplateExtended.MenuResource = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the WORD boundary
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
// Align to the WORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
}
// Read the ordinal if we have the flag set
if (menuResourceHasOrdinal)
@@ -562,9 +571,12 @@ namespace BurnOutSharp.Builder
// Read the class resource as a string
dialogTemplateExtended.ClassResource = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the WORD boundary
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
// Align to the WORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
}
// Read the ordinal if we have the flag set
if (classResourcehasOrdinal)
@@ -590,9 +602,12 @@ namespace BurnOutSharp.Builder
// Read the title resource as a string
dialogTemplateExtended.TitleResource = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the WORD boundary
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
// Align to the WORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
}
}
#endregion
@@ -664,9 +679,12 @@ namespace BurnOutSharp.Builder
// Read the class resource as a string
dialogItemTemplate.ClassResource = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the WORD boundary
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
// Align to the WORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
}
}
#endregion
@@ -691,9 +709,12 @@ namespace BurnOutSharp.Builder
// Read the title resource as a string
dialogItemTemplate.TitleResource = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the WORD boundary
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
// Align to the WORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
}
}
#endregion
@@ -756,9 +777,12 @@ namespace BurnOutSharp.Builder
// Read the menu resource as a string
dialogTemplate.MenuResource = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the WORD boundary
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
// Align to the WORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
}
// Read the ordinal if we have the flag set
if (menuResourceHasOrdinal)
@@ -789,9 +813,12 @@ namespace BurnOutSharp.Builder
// Read the class resource as a string
dialogTemplate.ClassResource = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the WORD boundary
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
// Align to the WORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
}
// Read the ordinal if we have the flag set
if (classResourcehasOrdinal)
@@ -817,9 +844,12 @@ namespace BurnOutSharp.Builder
// Read the title resource as a string
dialogTemplate.TitleResource = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the WORD boundary
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
// Align to the WORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
}
}
#endregion
@@ -889,9 +919,12 @@ namespace BurnOutSharp.Builder
// Read the class resource as a string
dialogItemTemplate.ClassResource = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the WORD boundary
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
// Align to the WORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
}
}
#endregion
@@ -916,9 +949,12 @@ namespace BurnOutSharp.Builder
// Read the title resource as a string
dialogItemTemplate.TitleResource = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the WORD boundary
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
// Align to the WORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
}
}
#endregion

25
BurnOutSharp.Wrappers/PortableExecutable.cs
View File

@@ -1770,7 +1770,8 @@ namespace BurnOutSharp.Wrappers
Console.WriteLine($"{padding}Hardware-dependent icon resource found, not parsed yet");
break;
case Models.PortableExecutable.ResourceType.RT_MENU:
var menu = entry.AsMenu();
Models.PortableExecutable.MenuResource menu = null;
try { menu = entry.AsMenu(); } catch { }
if (menu == null)
{
Console.WriteLine($"{padding}Menu resource found, but malformed");
@@ -1848,7 +1849,8 @@ namespace BurnOutSharp.Wrappers
}
break;
case Models.PortableExecutable.ResourceType.RT_DIALOG:
var dialogBox = entry.AsDialogBox();
Models.PortableExecutable.DialogBoxResource dialogBox = null;
try { dialogBox = entry.AsDialogBox(); } catch { }
if (dialogBox == null)
{
Console.WriteLine($"{padding}Dialog box resource found, but malformed");
@@ -1971,7 +1973,8 @@ namespace BurnOutSharp.Wrappers
}
break;
case Models.PortableExecutable.ResourceType.RT_STRING:
var stringTable = entry.AsStringTable();
Dictionary<int, string> stringTable = null;
try { stringTable = entry.AsStringTable(); } catch { }
if (stringTable == null)
{
Console.WriteLine($"{padding}String table resource found, but malformed");
@@ -1993,7 +1996,8 @@ namespace BurnOutSharp.Wrappers
Console.WriteLine($"{padding}Font resource found, not parsed yet");
break;
case Models.PortableExecutable.ResourceType.RT_ACCELERATOR:
var acceleratorTable = entry.AsAcceleratorTableResource();
Models.PortableExecutable.AcceleratorTableEntry[] acceleratorTable = null;
try { acceleratorTable = entry.AsAcceleratorTableResource(); } catch { }
if (acceleratorTable == null)
{
Console.WriteLine($"{padding}Accelerator table resource found, but malformed");
@@ -2012,9 +2016,12 @@ namespace BurnOutSharp.Wrappers
break;
case Models.PortableExecutable.ResourceType.RT_RCDATA:
Console.WriteLine($"{padding}Application-defined resource found, not parsed yet");
//if (entry.Data != null)
// Console.WriteLine($"{padding}Value (ASCII): {Encoding.ASCII.GetString(entry.Data)}");
break;
case Models.PortableExecutable.ResourceType.RT_MESSAGETABLE:
var messageTable = entry.AsMessageResourceData();
Models.PortableExecutable.MessageResourceData messageTable = null;
try { messageTable = entry.AsMessageResourceData(); } catch { }
if (messageTable == null)
{
Console.WriteLine($"{padding}Message resource data found, but malformed");
@@ -2074,7 +2081,8 @@ namespace BurnOutSharp.Wrappers
Console.WriteLine($"{padding}Hardware-independent icon resource found, not parsed yet");
break;
case Models.PortableExecutable.ResourceType.RT_VERSION:
var versionInfo = entry.AsVersionInfo();
Models.PortableExecutable.VersionInfo versionInfo = null;
try { versionInfo = entry.AsVersionInfo(); } catch { }
if (versionInfo == null)
{
Console.WriteLine($"{padding}Version info resource found, but malformed");
@@ -2192,7 +2200,8 @@ namespace BurnOutSharp.Wrappers
Console.WriteLine($"{padding}HTML resource found, not parsed yet");
break;
case Models.PortableExecutable.ResourceType.RT_MANIFEST:
var assemblyManifest = entry.AsAssemblyManifest();
Models.PortableExecutable.AssemblyManifest assemblyManifest = null;
try { assemblyManifest = entry.AsAssemblyManifest(); } catch { }
if (assemblyManifest == null)
{
Console.WriteLine($"{padding}Assembly manifest found, but malformed");
@@ -2347,7 +2356,7 @@ namespace BurnOutSharp.Wrappers
default:
Console.WriteLine($"{padding}Type {(Models.PortableExecutable.ResourceType)resourceType} found, not parsed yet");
//Console.WriteLine($"{padding}Data: {BitConverter.ToString(entry.Data).Replace("-", string.Empty)}");
Console.WriteLine($"{padding}Data: {Encoding.ASCII.GetString(entry.Data)}");
//Console.WriteLine($"{padding}Data: {Encoding.ASCII.GetString(entry.Data)}");
break;
}
}