Created
June 27, 2019 17:33
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| // structgen | |
| // generates simple vtable structures for directx objects | |
| // run in a linqpad query or whatever | |
| class VTableInfo { | |
| public readonly string Name; | |
| public readonly List<string> Methods; | |
| public VTableInfo(string name) { | |
| Name = name; | |
| Methods = new List<string>(); | |
| } | |
| } | |
| void Main() | |
| { | |
| const string dir = @"<directory with header file names>"; // copy whatever you need from include path | |
| const string file = "dxgi"; // header file name | |
| var structNameRegex = new Regex(@"typedef struct ([^\s]*)"); | |
| var interfaceNameRegex = new Regex(@"interface ([^\s]*)"); | |
| var methodNameRegex = new Regex(@"[*]([^\s]*)"); | |
| string currentName = null; | |
| bool hasBegun = false; | |
| bool waitForSemi = false; | |
| List<VTableInfo> vTables = new List<VTableInfo>(); | |
| VTableInfo currentVTable = null; | |
| using (StreamReader reader = new StreamReader(Path.Combine(dir, file+".h"))) { | |
| foreach (string rawLine in reader.ReadToEnd().Split('\n')) { | |
| if (string.IsNullOrWhiteSpace(rawLine)) continue; | |
| var line = rawLine.Trim(); | |
| if (!hasBegun) { | |
| if (line.Contains("typedef struct")) { | |
| currentName = structNameRegex.Match(line).Groups[1].Value; | |
| } | |
| if (line.Contains("BEGIN_INTERFACE")) { | |
| hasBegun = true; | |
| currentVTable = new VTableInfo(currentName); | |
| vTables.Add(currentVTable); | |
| } | |
| } else { | |
| if (line.Contains("END_INTERFACE")) { | |
| hasBegun = false; | |
| continue; | |
| } | |
| if (!waitForSemi) { | |
| var match = methodNameRegex.Match(line); | |
| currentVTable.Methods.Add(match.Groups[1].Value); | |
| waitForSemi = true; | |
| } else if (line.Contains(';')) { | |
| waitForSemi = false; | |
| } | |
| } | |
| } | |
| } | |
| StringBuilder builder = new StringBuilder(); | |
| for (int i = 0; i < vTables.Count; i++) { | |
| if (i != 0) builder.AppendLine(); | |
| var vTable = vTables[i]; | |
| builder.AppendLine($"typedef struct {vTable.Name} {{"); | |
| for (int j = 0; j < vTable.Methods.Count; j++) { | |
| builder.AppendLine($" void* {vTable.Methods[j]}; // {j*8}"); | |
| } | |
| builder.AppendLine($"}} {vTable.Name};"); | |
| } | |
| using (StreamWriter writer = new StreamWriter(Path.Combine(dir, file + "_vtable.h"))) { | |
| writer.Write(builder.ToString()); | |
| } | |
| } |
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