Edit: My (incomplete and very rough) XmlLite header translation is available on GitHub
What is the best way to do a simple combine of massive XML documents in Delphi with MSXML without using DOM? Should I use the COM components SAXReader and XMLWriter and are there any good examples?
The transformation is a simple combination of all the Contents elements from the root (Container) from many big files (60MB+) to one huge file (~1GB).
<Container>
<Contents />
<Contents />
<Contents />
</Container>
I have it working in the following C# code using an XmlWriter and XmlReaders, but it needs to happen in a native Delphi process:
var files = new string[] { @"c:\bigFile1.xml", @"c:\bigFile2.xml", @"c:\bigFile3.xml", @"c:\bigFile4.xml", @"c:\bigFile5.xml", @"c:\bigFile6.xml" };
using (var writer = XmlWriter.Create(@"c:\HugeOutput.xml", new XmlWriterSettings{ Indent = true }))
{
writer.WriteStartElement("Container");
foreach (var inputFile in files)
using (var reader = XmlReader.Create(inputFile))
{
reader.MoveToContent();
while (reader.Read())
if (reader.IsStartElement("Contents"))
writer.WriteNode(reader, true);
}
writer.WriteEndElement(); //End the Container element
}
We already use MSXML DOM in other parts of the system and I do not want to add new components if possible.
