/// <summary>
/// Create a new indent scope.
/// </summary>
/// <param name="writer">
/// The indented string writer to which the indent scope applies.
/// </param>
/// <param name="options">
/// Options for the scoped indent.
/// </param>
public IndentScope(IndentedStringWriter writer, ScopedIndentOptions options)
: this()
{
if (writer == null)
throw new ArgumentNullException(nameof(writer));
if (options == null)
throw new ArgumentNullException(nameof(options));
_writer = writer;
_options = options;
if (!String.IsNullOrWhiteSpace(_options.ScopePrefix))
{
if (_options.ScopePrefixNewLines.HasFlag(NewLines.Before))
_writer.WriteLine(_options.ScopePrefix);
else
_writer.Write(_options.ScopePrefix);
}
else if (_options.ScopePrefixNewLines.HasFlag(NewLines.Before))
_writer.WriteLine();
_writer.Indent();
if (_options.ScopePrefixNewLines.HasFlag(NewLines.After))
_writer.WriteLine();
}
/// <summary>
/// Begin an indent scope.
/// </summary>
/// <param name="options">
/// Options for the scoped indent.
/// </param>
/// <returns>
/// An <see cref="IDisposable"/> implementation which, when disposed, closes the indent scope.
/// </returns>
/// <remarks>
/// Indent scopes are a simple way of making code that produces indented text easier to read.
///
/// Use of C#'s <c>using</c> statement has a negligible performance impact if no exceptions are thrown, so feel free to use it wherever it makes sense.
/// </remarks>
public IDisposable BeginIndentScope(ScopedIndentOptions options = null)
{
return new IndentScope(this, options ?? ScopedIndentOptions.None);
}
