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Adding support for reading editorconfigs
closes #630
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| namespace CSharpier.Cli.EditorConfig; | ||
|
|
||
| internal class ConfigFile | ||
| { | ||
| public required List<Section> Sections { get; init; } | ||
| public bool IsRoot { get; init; } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| using System.IO.Abstractions; | ||
| using System.Text.RegularExpressions; | ||
|
|
||
| namespace CSharpier.Cli.EditorConfig; | ||
|
|
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| internal static class ConfigFileParser | ||
| { | ||
| private static readonly Regex SectionRegex = new(@"^\s*\[(([^#;]|\\#|\\;)+)\]\s*([#;].*)?$"); | ||
| private static readonly Regex CommentRegex = new(@"^\s*[#;]"); | ||
| private static readonly Regex PropertyRegex = | ||
| new(@"^\s*([\w\.\-_]+)\s*[=:]\s*(.*?)\s*([#;].*)?$"); | ||
|
|
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| private static readonly HashSet<string> KnownProperties = | ||
| new( | ||
| new[] { "indent_style", "indent_size", "tab_width", "max_line_length", "root", }, | ||
| StringComparer.OrdinalIgnoreCase | ||
| ); | ||
|
|
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| public static ConfigFile Parse(string filePath, IFileSystem fileSystem) | ||
| { | ||
| var lines = fileSystem.File.ReadLines(filePath); | ||
|
|
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| var isRoot = false; | ||
| var propertiesBySection = new Dictionary<string, Dictionary<string, string?>>(); | ||
| var sectionName = string.Empty; | ||
| foreach (var line in lines) | ||
| { | ||
| if (string.IsNullOrWhiteSpace(line) || CommentRegex.IsMatch(line)) | ||
| { | ||
| continue; | ||
| } | ||
|
|
||
| var propertyMatches = PropertyRegex.Matches(line); | ||
| if (propertyMatches.Count > 0) | ||
| { | ||
| var key = propertyMatches[0].Groups[1].Value.Trim().ToLowerInvariant(); | ||
| var value = propertyMatches[0].Groups[2].Value.Trim(); | ||
|
|
||
| if (KnownProperties.Contains(key)) | ||
| { | ||
| value = value.ToLowerInvariant(); | ||
| } | ||
|
|
||
| if (sectionName is "") | ||
| { | ||
| if (key == "root" && bool.TryParse(value, out var parsedValue)) | ||
| { | ||
| isRoot = parsedValue; | ||
| } | ||
| } | ||
| else | ||
| { | ||
| propertiesBySection[sectionName][key] = value; | ||
| } | ||
| } | ||
| else | ||
| { | ||
| var sectionMatches = SectionRegex.Matches(line); | ||
| if (sectionMatches.Count <= 0) | ||
| { | ||
| continue; | ||
| } | ||
|
|
||
| sectionName = sectionMatches[0].Groups[1].Value; | ||
| propertiesBySection[sectionName] = new Dictionary<string, string?>(); | ||
| } | ||
| } | ||
|
|
||
| var directory = fileSystem.Path.GetDirectoryName(filePath); | ||
| return new ConfigFile | ||
| { | ||
| IsRoot = isRoot, | ||
| Sections = propertiesBySection | ||
| .Select(o => new Section(o.Key, directory, o.Value)) | ||
| .ToList() | ||
| }; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| using System.IO.Abstractions; | ||
|
|
||
| namespace CSharpier.Cli.EditorConfig; | ||
|
|
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| internal static class EditorConfigParser | ||
| { | ||
| public static List<EditorConfigSections> GetAllForDirectory( | ||
| string directoryName, | ||
| IFileSystem fileSystem | ||
| ) | ||
| { | ||
| if (directoryName is "") | ||
| { | ||
| return new List<EditorConfigSections>(); | ||
| } | ||
|
|
||
| var editorConfigFiles = fileSystem.DirectoryInfo | ||
| .FromDirectoryName(directoryName) | ||
| .EnumerateFiles(".editorconfig", SearchOption.AllDirectories); | ||
|
|
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| return editorConfigFiles | ||
| .Select( | ||
| o => | ||
| new EditorConfigSections | ||
| { | ||
| DirectoryName = fileSystem.Path.GetDirectoryName(o.FullName), | ||
| SectionsIncludingParentFiles = FindSections(o.FullName, fileSystem) | ||
| } | ||
| ) | ||
| .OrderBy(o => o.DirectoryName) | ||
| .ToList(); | ||
| } | ||
|
|
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| private static List<Section> FindSections(string filePath, IFileSystem fileSystem) | ||
| { | ||
| var editorConfigFiles = ParseConfigFiles( | ||
| fileSystem.Path.GetDirectoryName(filePath), | ||
| fileSystem | ||
| ) | ||
| .Reverse() | ||
| .ToList(); | ||
| return editorConfigFiles.SelectMany(configFile => configFile.Sections).ToList(); | ||
| } | ||
|
|
||
| private static IEnumerable<ConfigFile> ParseConfigFiles( | ||
| string directoryPath, | ||
| IFileSystem fileSystem | ||
| ) | ||
| { | ||
| var directory = fileSystem.DirectoryInfo.FromDirectoryName(directoryPath); | ||
| while (directory != null) | ||
| { | ||
| var potentialPath = fileSystem.Path.Combine(directory.FullName, ".editorconfig"); | ||
| if (fileSystem.File.Exists(potentialPath)) | ||
| { | ||
| var configFile = ConfigFileParser.Parse(potentialPath, fileSystem); | ||
|
|
||
| DebugLogger.Log(potentialPath); | ||
| yield return configFile; | ||
| if (configFile.IsRoot) | ||
| { | ||
| yield break; | ||
| } | ||
| } | ||
|
|
||
| directory = directory.Parent; | ||
| } | ||
| } | ||
| } |
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