using System.Diagnostics;

using System.Text;

namespace il2cpp

{

internal class CodePrinter

{

public int Indents;

public int LineCount { get; private set; }

public int Length => Builder.Length;

private readonly StringBuilder Builder = new StringBuilder();

public override string ToString()

{

return Builder.ToString();

}

public void Append(string str)

{

if (str == null)

return;

bool isNewLine = IsNewLine();

foreach (char ch in str)

{

if (ch == '\r')

continue;

if (ch == '\n')

{

isNewLine = true;

++LineCount;

}

else if (isNewLine)

{

isNewLine = false;

AppendIndent();

}

Builder.Append(ch);

}

}

public void AppendLine(string str)

{

Append(str);

Builder.Append('\n');

++LineCount;

}

public void AppendLine()

{

Builder.Append('\n');

++LineCount;

}

public void AppendFormat(string fmt, params object[] args)

{

Debug.Assert(args.Length > 0);

Append(string.Format(fmt, args));

}

public void AppendFormatLine(string fmt, params object[] args)

{

Debug.Assert(args.Length > 0);

AppendLine(string.Format(fmt, args));

}

private void AppendIndent()

{

for (int i = 0; i < Indents; ++i)

Builder.Append('\t');

}

private bool IsNewLine()

{

return Builder.Length == 0 ||

Builder[Builder.Length - 1] == '\n';

}

}

}