public void Merge(string[] args)
{
if (args.Length != 2 || (args.Length > 1 && args[0] != "-f"))
{
Console.WriteLine("-f [xml filename]");
Console.WriteLine();
Console.WriteLine("XML File looks like:");
Console.WriteLine("<pdfmerge>");
Console.WriteLine(" <file path='filename1' nickname='nickname1'/>");
Console.WriteLine(" <file path='filename2' nickname='nickname2'/>");
Console.WriteLine(" <output path='filename' allowoverwrite='true or false'/>");
Console.WriteLine(" <page source='nickname1' pageno='page #'/>");
Console.WriteLine(" <page source='nickname2' pageno='page #'/>");
Console.WriteLine("</pdfmerge>");
}
else
{
//LoadPdfSharpDll();
string filename = args[1];
if (!File.Exists(filename))
{
Console.WriteLine("XML file not found: " + filename);
}
else
{
List <SourcePdf> sources = new List <SourcePdf>();
List <Page> pages = new List <Page>();
string outputPath = null;
bool allowoverwrite = false;
try
{
using (FileStream s = new FileStream(filename, FileMode.Open))
{
using (XmlReader reader = XmlReader.Create(s))
{
_xmlInfo = (IXmlLineInfo)reader;
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
if (reader.Name == FILE)
{
string path = ReadPath(reader, true);
string nickname = ReadNickname(reader);
sources.Add(new SourcePdf(path, nickname));
}
else if (reader.Name == OUTPUT)
{
string path = ReadPath(reader, false);
string allowoverwriteS = reader.GetAttribute(ALLOWOVERWRITE);
allowoverwrite = (allowoverwriteS != null && "true".Equals(allowoverwriteS.ToLower()));
if (!allowoverwrite && File.Exists(path))
{
Console.WriteLine("Output file already exists: " + path + " on line " + _xmlInfo.LineNumber);
return;
}
outputPath = path;
}
else if (reader.Name == PAGE)
{
SourcePdf source = ReadSource(reader, sources);
int pageNo = ReadPageNo(reader);
pages.Add(new Page(source, pageNo));
}
}
else if (reader.NodeType == XmlNodeType.EndElement)
{
if (reader.Name == PDFMERGE)
{
if (sources.Count == 0)
{
throw new Exception("No file (source) elements were specified.");
}
if (outputPath == null)
{
throw new Exception("No output element was specified.");
}
if (pages.Count == 0)
{
throw new Exception("No page elements were specified.");
}
using (PdfDocument outPdf = new PdfDocument())
{
foreach (Page p in pages)
{
CopyPages(p, outPdf);
}
if (allowoverwrite && File.Exists(PATH))
{
FileInfo fi = new FileInfo(outputPath);
fi.Delete();
fi.Refresh();
int ct = 0;
while (fi.Exists && ct++ < 100)
{
System.Threading.Thread.Sleep(100);
fi.Refresh();
}
if (fi.Exists)
{
throw new Exception("Could not overwrite file '" + outputPath + "'.");
}
}
outPdf.Save(outputPath);
}
}
}
}
}
}
}
catch (Exception ex)
{
Console.WriteLine("Error: " + ex.Message);
}
}
}
}
public Page(SourcePdf source, int pageNo = -1)
{
_source = source;
_pageNo = pageNo;
}