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Strongly type Resource .tres files in ResourceTree when possible #201

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Strongly type Resource .tres files in ResourceTree when possible #201

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9 changes: 9 additions & 0 deletions SourceGenerators/Shared/Tools/MiniTresScraper.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,10 +7,12 @@ internal static class MiniTresScraper
{
private const string ResourceToken = "[resource]";
private const string BaseTypeRegexStr = @"^\[gd_resource type=""(?<BaseType>.+?)""";
private const string ScriptClassRegexStr = @"script_class=""(?<ScriptClass>.+?)""";
private const string ScriptPathRegexStr = @"^\[ext_resource type=""Script"".+?path=""(?<Path>.+?)"".+?id=""(?<Id>.+?)""";
private const string ScriptUsageRegexStr = @"^script = ExtResource(""(?<Id>.+?)"")";
private static readonly Regex BaseTypeRegex = new(BaseTypeRegexStr, RegexOptions.Compiled | RegexOptions.ExplicitCapture);
private static readonly Regex ScriptPathRegex = new(ScriptPathRegexStr, RegexOptions.Compiled | RegexOptions.ExplicitCapture);
private static readonly Regex ScriptClassRegex = new(ScriptClassRegexStr, RegexOptions.Compiled | RegexOptions.ExplicitCapture);
private static readonly Regex ScriptUsageRegex = new(ScriptUsageRegexStr, RegexOptions.Compiled | RegexOptions.ExplicitCapture);

public static string GetType(Compilation compilation, string tres)
Expand Down Expand Up @@ -49,6 +51,13 @@ bool ScanHeader(string line)
if (!match.Success) throw new Exception($"Expected gd_resource header on first line!\n - Line: {line}\n - TRES: {tres}");
Log.Debug($" - BaseTypeRegex {BaseTypeRegex.GetGroupsAsStr(match)}");
baseType = match.Groups["BaseType"].Value;
if (baseType is "Resource")
{
var scriptClassMatch = ScriptClassRegex.Match(line);
if (scriptClassMatch.Success && compilation.GetValidType(scriptClassMatch.Groups["ScriptClass"].Value) is {} cSharpType) {
classType = cSharpType;
}
}
return true;
}

Expand Down