/// <summary>
/// Initializes a new instance of the <see cref="CommandLine.Text.HelpText"/> class
/// specifying heading and copyright strings.
/// </summary>
/// <param name="sentenceBuilder">A <see cref="SentenceBuilder"/> instance.</param>
/// <param name="heading">A string with heading or an instance of <see cref="CommandLine.Text.HeadingInfo"/>.</param>
/// <param name="copyright">A string with copyright or an instance of <see cref="CommandLine.Text.CopyrightInfo"/>.</param>
/// <exception cref="System.ArgumentNullException">Thrown when one or more parameters are null or empty strings.</exception>
public HelpText(SentenceBuilder sentenceBuilder, string heading, string copyright)
{
if (sentenceBuilder == null)
{
throw new ArgumentNullException("sentenceBuilder");
}
if (heading == null)
{
throw new ArgumentNullException("heading");
}
if (copyright == null)
{
throw new ArgumentNullException("copyright");
}
preOptionsHelp = new StringBuilder(BuilderCapacity);
postOptionsHelp = new StringBuilder(BuilderCapacity);
try
{
maximumDisplayWidth = Console.WindowWidth;
if (maximumDisplayWidth < 1)
{
maximumDisplayWidth = DefaultMaximumLength;
}
}
catch (IOException)
{
maximumDisplayWidth = DefaultMaximumLength;
}
this.sentenceBuilder = sentenceBuilder;
this.heading = heading;
this.copyright = copyright;
this.autoHelp = true;
this.autoVersion = true;
}
/// <summary>
/// Initializes a new instance of the <see cref="CommandLine.Text.HelpText"/> class
/// specifying heading and copyright strings.
/// </summary>
/// <param name="heading">A string with heading or an instance of <see cref="CommandLine.Text.HeadingInfo"/>.</param>
/// <param name="copyright">A string with copyright or an instance of <see cref="CommandLine.Text.CopyrightInfo"/>.</param>
/// <exception cref="System.ArgumentNullException">Thrown when one or more parameters are null or empty strings.</exception>
public HelpText(string heading, string copyright)
: this(SentenceBuilder.Create(), heading, copyright)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="CommandLine.Text.HelpText"/> class
/// specifying the sentence builder and heading string.
/// </summary>
/// <param name="sentenceBuilder">A <see cref="SentenceBuilder"/> instance.</param>
/// <param name="heading">A string with heading or an instance of <see cref="CommandLine.Text.HeadingInfo"/>.</param>
public HelpText(SentenceBuilder sentenceBuilder, string heading)
: this(sentenceBuilder, heading, string.Empty)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="CommandLine.Text.HelpText"/> class
/// specifying heading string.
/// </summary>
/// <param name="heading">An heading string or an instance of <see cref="CommandLine.Text.HeadingInfo"/>.</param>
/// <exception cref="System.ArgumentException">Thrown when parameter <paramref name="heading"/> is null or empty string.</exception>
public HelpText(string heading)
: this(SentenceBuilder.Create(), heading, string.Empty)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="CommandLine.Text.HelpText"/> class
/// specifying the sentence builder.
/// </summary>
/// <param name="sentenceBuilder">
/// A <see cref="SentenceBuilder"/> instance.
/// </param>
public HelpText(SentenceBuilder sentenceBuilder)
: this(sentenceBuilder, string.Empty, string.Empty)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="CommandLine.Text.HelpText"/> class.
/// </summary>
public HelpText()
: this(SentenceBuilder.Create(), string.Empty, string.Empty)
{
}