83 lines
2.1 KiB
C#
83 lines
2.1 KiB
C#
using MycroForge.Core.CodeGen;
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namespace MycroForge.CLI.CodeGen;
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public class MainModifier
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{
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private readonly Source _source;
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private readonly List<string> _importsBuffer;
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private readonly List<string> _routerIncludeBuffer;
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private SourceMatch? _lastImport;
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private SourceMatch? _lastRouterInclude;
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public MainModifier(string source)
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{
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_source = new Source(source);
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_importsBuffer = new();
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_routerIncludeBuffer = new();
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}
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public MainModifier Initialize()
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{
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_lastImport = _source
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.FindAll($@"from\s+.+\s+import\s+.+\s")
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.LastOrDefault();
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_lastRouterInclude = _source.Find(@"app\s*\.\s*include_router\((.|\s)+\)\s?");
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return this;
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}
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private string ToImportString(string from, string import) => $"from {from} import {import}\n";
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public MainModifier Import(string from, string import)
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{
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_importsBuffer.Add(ToImportString(from, import));
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return this;
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}
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public MainModifier IncludeRouter(string prefix, string router)
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{
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_routerIncludeBuffer.Add($"\napp.include_router(prefix=\"/{prefix}\", router={router}.router)\n");
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return this;
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}
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public string Rewrite()
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{
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InsertIncludes();
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InsertImports();
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return _source.Text;
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}
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private void InsertImports()
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{
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if (_importsBuffer.Count == 0) return;
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if (_lastImport is not null)
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{
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_source.InsertMultiLine(_lastImport.EndIndex, _importsBuffer.ToArray());
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}
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else
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{
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_source.InsertMultiLineAtStart(_importsBuffer.ToArray());
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}
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}
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private void InsertIncludes()
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{
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if (_routerIncludeBuffer.Count == 0) return;
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if (_lastRouterInclude is not null)
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{
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_source.InsertMultiLine(
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_lastRouterInclude.EndIndex, _routerIncludeBuffer.ToArray()
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);
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}
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else
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{
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_source.InsertMultiLineAtEnd(_routerIncludeBuffer.ToArray());
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}
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}
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} |