public void ProcessTask(Options commandLineOptions)
{
var pdfTools = new CoreTools();
try
{
Regex singlePage = new Regex(@"^\d+$", RegexOptions.IgnorePatternWhitespace);
Regex pageRange = new Regex(@"^\d+-\d+$", RegexOptions.IgnorePatternWhitespace);
String outputPrefix;
if (!String.IsNullOrEmpty(commandLineOptions.OutputFilePrefix))
{
outputPrefix = commandLineOptions.OutputFilePrefix;
}
else
{
outputPrefix = Path.GetFileNameWithoutExtension(commandLineOptions.Items[0]);
}
int[] extractPages = { 0, 0 };
for (int loop = 0; loop < commandLineOptions.ExtractPages.Count; loop++)
{
if (pageRange.IsMatch(commandLineOptions.ExtractPages[loop]))
{
String[] extractRange = commandLineOptions.ExtractPages[loop].Split('-');
extractPages[0] = Convert.ToInt32(extractRange[0]);
extractPages[1] = Convert.ToInt32(extractRange[1]);
}
else
{
extractPages[0] = Convert.ToInt32(commandLineOptions.ExtractPages[loop]);
extractPages[1] = Convert.ToInt32(commandLineOptions.ExtractPages[loop]);
}
pdfTools.ExtractPDFPages(commandLineOptions.Items[0],
outputPrefix + "_" + (loop + 1).ToString() + ".PDF",
extractPages[0],
extractPages[1]);
}
}
catch (System.IO.IOException ioException)
{
// PDF file is not valid, or was not found
if (ioException.Message.Contains("PDF"))
{
System.Console.Error.WriteLine(Environment.NewLine + "Input file is not a valid PDF.");
}
else if (ioException.Message.Contains("not found as file or resource"))
{
System.Console.Error.WriteLine(Environment.NewLine + ioException.Message);
}
else
{
throw;
}
}
catch (ArgumentOutOfRangeException argException)
{
if (argException.Message.Contains("the number of pages in the document"))
{
System.Console.Error.WriteLine("A page after the last page was specified.");
}
else if (argException.Message.Contains("Parameter cannot be zero or negative"))
{
System.Console.Error.WriteLine("A page number less than one was specified.");
}
}
catch (UnauthorizedAccessException)
{
System.Console.Error.WriteLine("Access denied.");
}
}