internal static void Main(string[] args)
{
Program.Options = ParseArguments(args);
if (Program.Options.Help)
{
return;
}
var writer = CreateOutput(Program.Options);
try
{
var text = LoadSourceText(Program.Options);
var metadata = MetadataParser.Parse(text);
ClassWriter.Write(Program.Options, metadata, writer);
}
catch (FormatException)
{
Console.WriteLine("Input does not contain text in the correct format.");
}
finally
{
if (writer != Console.Out)
{
writer.Close();
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ClassWriter"/> class.
/// </summary>
/// <param name="options">Output options.</param>
/// <param name="output">Output writer to send class to.</param>
/// <param name="headerFormat">Header format text.</param>
public ClassWriter(Options options, TextWriter output, string headerFormat)
{
if (options == null)
{
throw new ArgumentNullException("options");
}
this.options = options;
if (output == null)
{
throw new ArgumentNullException("output");
}
this.output = output;
if (headerFormat == null)
{
throw new ArgumentNullException("headerFormat");
}
this.headerFormat = headerFormat;
this.indentWidth = options.IndentWidth;
}
/// <summary>
/// Creates the correct output.
/// </summary>
/// <param name="options">Save options.</param>
/// <returns>A text writer instance.</returns>
private static TextWriter CreateOutput(Options options)
{
switch (options.OutputFile)
{
case "CONS":
return Console.Out;
default:
return new StreamWriter(options.OutputFile);
}
}
/// <summary>
/// Depending on the current settings fetches the source metadata.
/// </summary>
/// <param name="options">Load options.</param>
/// <returns>A string representing the whole metadata input.</returns>
private static string LoadSourceText(Options options)
{
switch (options.MetadataSource)
{
case "CONS":
return LoadSourceTextFromConsole();
case "CLIP":
return Clipboard.GetText();
default:
return File.ReadAllText(options.MetadataSource);
}
}
/// <summary>
/// Helper function to setup the class and write the output.
/// </summary>
/// <param name="options">Output options.</param>
/// <param name="metadata">Sequence of metadata to write.</param>
/// <param name="output">Output writer to send class to.</param>
public static void Write(Options options, IEnumerable<SsisMetadata> metadata, TextWriter output)
{
string headerFormat = Properties.Settings.Default.HeaderTemplate;
var writer = new ClassWriter(options, output, headerFormat);
writer.Write(metadata);
}