70 lines
1.3 KiB
C#
70 lines
1.3 KiB
C#
using System.Text;
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namespace NubLang.Generation;
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internal class CWriter
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{
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private readonly StringBuilder _builder = new();
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private int _indentLevel;
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public IDisposable Indent()
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{
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_indentLevel++;
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return new IndentScope(this);
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}
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public void WriteLine(string text)
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{
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WriteIndent();
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_builder.AppendLine(text);
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}
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public void Write(string text)
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{
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WriteIndent();
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_builder.Append(text);
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}
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public void WriteLine()
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{
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_builder.AppendLine();
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}
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public override string ToString()
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{
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return _builder.ToString();
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}
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private void WriteIndent()
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{
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if (_builder.Length > 0)
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{
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var lastChar = _builder[^1];
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if (lastChar != '\n' && lastChar != '\r')
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return;
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}
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for (var i = 0; i < _indentLevel; i++)
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{
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_builder.Append(" ");
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}
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}
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private class IndentScope : IDisposable
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{
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private readonly CWriter _writer;
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private bool _disposed;
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public IndentScope(CWriter writer)
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{
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_writer = writer;
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}
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public void Dispose()
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{
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if (_disposed) return;
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_writer._indentLevel--;
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_disposed = true;
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}
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}
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} |