refactor
This commit is contained in:
Matt Parker
@@ -0,0 +1,208 @@
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using Godot;
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using Godot.Collections;
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using Microsoft.CodeAnalysis;
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using Microsoft.CodeAnalysis.Classification;
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using SharpIDE.RazorAccess;
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namespace SharpIDE.Godot;
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public partial class CustomHighlighter : SyntaxHighlighter
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{
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private readonly Dictionary _emptyDict = new();
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public HashSet<(FileLinePositionSpan fileSpan, ClassifiedSpan classifiedSpan)> ClassifiedSpans = [];
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public HashSet<SharpIdeRazorClassifiedSpan> RazorClassifiedSpans = [];
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public override Dictionary _GetLineSyntaxHighlighting(int line)
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{
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var highlights = (ClassifiedSpans, RazorClassifiedSpans) switch
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{
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({ Count: 0 }, { Count: 0 }) => _emptyDict,
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({ Count: > 0 }, _) => MapClassifiedSpansToHighlights(line),
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(_, { Count: > 0 }) => MapRazorClassifiedSpansToHighlights(line),
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_ => throw new NotImplementedException("Both ClassifiedSpans and RazorClassifiedSpans are set. This is not supported yet.")
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};
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return highlights;
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}
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private static readonly StringName ColorStringName = "color";
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private Dictionary MapRazorClassifiedSpansToHighlights(int line)
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{
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var highlights = new Dictionary();
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// Filter spans on the given line, ignore empty spans
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var spansForLine = RazorClassifiedSpans
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.Where(s => s.Span.LineIndex == line && s.Span.Length is not 0)
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.GroupBy(s => s.Span)
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.ToList();
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foreach (var razorSpanGrouping in spansForLine)
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{
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var spans = razorSpanGrouping.ToList();
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if (spans.Count > 2) throw new NotImplementedException("More than 2 classified spans is not supported yet.");
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if (spans.Count is not 1)
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{
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if (spans.Any(s => s.Kind is SharpIdeRazorSpanKind.Code))
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{
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spans = spans.Where(s => s.Kind is SharpIdeRazorSpanKind.Code).ToList();
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}
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if (spans.Count is not 1)
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{
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SharpIdeRazorClassifiedSpan? staticClassifiedSpan = spans.FirstOrDefault(s => s.CodeClassificationType == ClassificationTypeNames.StaticSymbol);
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if (staticClassifiedSpan is not null) spans.Remove(staticClassifiedSpan.Value);
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}
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}
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var razorSpan = spans.Single();
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int columnIndex = razorSpan.Span.CharacterIndex;
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var highlightInfo = new Dictionary
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{
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{ ColorStringName, GetColorForRazorSpanKind(razorSpan.Kind, razorSpan.CodeClassificationType, razorSpan.VsSemanticRangeType) }
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};
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highlights[columnIndex] = highlightInfo;
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}
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return highlights;
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}
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private static Color GetColorForRazorSpanKind(SharpIdeRazorSpanKind kind, string? codeClassificationType, string? vsSemanticRangeType)
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{
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return kind switch
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{
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SharpIdeRazorSpanKind.Code => GetColorForClassification(codeClassificationType!),
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SharpIdeRazorSpanKind.Comment => CachedColors.CommentGreen, // green
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SharpIdeRazorSpanKind.MetaCode => CachedColors.RazorMetaCodePurple, // purple
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SharpIdeRazorSpanKind.Markup => GetColorForMarkupSpanKind(vsSemanticRangeType),
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SharpIdeRazorSpanKind.Transition => CachedColors.RazorMetaCodePurple, // purple
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SharpIdeRazorSpanKind.None => CachedColors.White,
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_ => CachedColors.White
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};
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}
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private static Color GetColorForMarkupSpanKind(string? vsSemanticRangeType)
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{
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return vsSemanticRangeType switch
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{
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"razorDirective" or "razorTransition" => CachedColors.RazorMetaCodePurple, // purple
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"markupTagDelimiter" => CachedColors.HtmlDelimiterGray, // gray
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"markupTextLiteral" => CachedColors.White, // white
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"markupElement" => CachedColors.KeywordBlue, // blue
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"razorComponentElement" => CachedColors.RazorComponentGreen, // dark green
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"razorComponentAttribute" => CachedColors.White, // white
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"razorComment" or "razorCommentStar" or "razorCommentTransition" => CachedColors.CommentGreen, // green
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"markupOperator" => CachedColors.White, // white
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"markupAttributeQuote" => CachedColors.White, // white
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_ => CachedColors.White // default to white
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};
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}
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private Dictionary MapClassifiedSpansToHighlights(int line)
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{
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var highlights = new Dictionary();
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// consider no linq or ZLinq
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var spansGroupedByFileSpan = ClassifiedSpans
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.Where(s => s.fileSpan.StartLinePosition.Line == line && s.classifiedSpan.TextSpan.Length is not 0)
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.GroupBy(span => span.fileSpan)
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.Select(group => (fileSpan: group.Key, classifiedSpans: group.Select(s => s.classifiedSpan).ToList()));
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foreach (var (fileSpan, classifiedSpans) in spansGroupedByFileSpan)
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{
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if (classifiedSpans.Count > 2) throw new NotImplementedException("More than 2 classified spans is not supported yet.");
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if (classifiedSpans.Count is not 1)
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{
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ClassifiedSpan? staticClassifiedSpan = classifiedSpans.FirstOrDefault(s => s.ClassificationType == ClassificationTypeNames.StaticSymbol);
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if (staticClassifiedSpan is not null) classifiedSpans.Remove(staticClassifiedSpan.Value);
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}
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// Column index of the first character in this span
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int columnIndex = fileSpan.StartLinePosition.Character;
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// Build the highlight entry
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var highlightInfo = new Dictionary
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{
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{ ColorStringName, GetColorForClassification(classifiedSpans.Single().ClassificationType) }
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};
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highlights[columnIndex] = highlightInfo;
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}
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return highlights;
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}
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private static Color GetColorForClassification(string classificationType)
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{
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var colour = classificationType switch
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{
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// Keywords
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"keyword" => CachedColors.KeywordBlue,
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"keyword - control" => CachedColors.KeywordBlue,
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"preprocessor keyword" => CachedColors.KeywordBlue,
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// Literals & comments
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"string" => CachedColors.LightOrangeBrown,
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"comment" => CachedColors.CommentGreen,
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"number" => CachedColors.NumberGreen,
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// Types (User Types)
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"class name" => CachedColors.ClassBlue,
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"record class name" => CachedColors.ClassBlue,
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"struct name" => CachedColors.ClassBlue,
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"interface name" => CachedColors.InterfaceGreen,
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"enum name" => CachedColors.InterfaceGreen,
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"namespace name" => CachedColors.White,
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// Identifiers & members
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"identifier" => CachedColors.White,
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"constant name" => CachedColors.White,
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"enum member name" => CachedColors.White,
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"method name" => CachedColors.Yellow,
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"extension method name" => CachedColors.Yellow,
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"property name" => CachedColors.White,
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"field name" => CachedColors.White,
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"static symbol" => CachedColors.Yellow, // ??
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"parameter name" => CachedColors.VariableBlue,
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"local name" => CachedColors.VariableBlue,
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// Punctuation & operators
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"operator" => CachedColors.White,
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"operator - overloaded" => CachedColors.Yellow,
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"punctuation" => CachedColors.White,
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// Xml comments
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"xml doc comment - delimiter" => CachedColors.CommentGreen,
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"xml doc comment - name" => CachedColors.White,
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"xml doc comment - text" => CachedColors.CommentGreen,
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// Misc
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"excluded code" => CachedColors.Gray,
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_ => CachedColors.Orange // orange, warning color for unhandled classifications
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};
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if (colour == CachedColors.Orange)
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{
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GD.PrintErr($"Unhandled classification type: '{classificationType}'");
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}
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return colour;
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}
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}
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file static class CachedColors
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{
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public static readonly Color Orange = new("f27718");
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public static readonly Color White = new("dcdcdc");
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public static readonly Color Yellow = new("dcdcaa");
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public static readonly Color CommentGreen = new("57a64a");
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public static readonly Color KeywordBlue = new("569cd6");
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public static readonly Color LightOrangeBrown = new("d69d85");
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public static readonly Color NumberGreen = new("b5cea8");
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public static readonly Color InterfaceGreen = new("b8d7a3");
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public static readonly Color ClassBlue = new("4ec9b0");
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public static readonly Color VariableBlue = new("9cdcfe");
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public static readonly Color Gray = new("a9a9a9");
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public static readonly Color RazorComponentGreen = new("0b7f7f");
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public static readonly Color RazorMetaCodePurple = new("a699e6");
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public static readonly Color HtmlDelimiterGray = new("808080");
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}
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@@ -0,0 +1 @@
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uid://b6wpiabl7sutg
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Binary file not shown.
@@ -0,0 +1,36 @@
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[remap]
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importer="font_data_dynamic"
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type="FontFile"
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uid="uid://7jc0nj310cu6"
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path="res://.godot/imported/CascadiaCode.ttf-5e3ebf31bcbff2dc86863da4d4420804.fontdata"
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[deps]
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source_file="res://Features/CodeEditor/Resources/CascadiaCode.ttf"
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dest_files=["res://.godot/imported/CascadiaCode.ttf-5e3ebf31bcbff2dc86863da4d4420804.fontdata"]
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[params]
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Rendering=null
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antialiasing=2
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generate_mipmaps=false
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disable_embedded_bitmaps=true
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multichannel_signed_distance_field=false
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msdf_pixel_range=8
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msdf_size=48
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allow_system_fallback=true
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force_autohinter=false
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modulate_color_glyphs=false
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hinting=2
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subpixel_positioning=0
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keep_rounding_remainders=false
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oversampling=0.0
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Fallbacks=null
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fallbacks=[]
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Compress=null
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compress=true
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preload=[]
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language_support={}
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script_support={}
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opentype_features={}
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@@ -1,6 +1,6 @@
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[gd_scene load_steps=6 format=3 uid="uid://cinaqbdghcvoi"]
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[ext_resource type="FontFile" uid="uid://7jc0nj310cu6" path="res://CascadiaCode.ttf" id="1_s7ira"]
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[ext_resource type="FontFile" uid="uid://7jc0nj310cu6" path="res://Features/CodeEditor/Resources/CascadiaCode.ttf" id="1_s7ira"]
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[ext_resource type="Script" uid="uid://du2lt7r1p1qfy" path="res://Features/CodeEditor/SharpIdeCodeEdit.cs" id="2_kp2fd"]
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[sub_resource type="FontVariation" id="FontVariation_y3aoi"]
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