Find all tables between two strings

Aspose.Words Product Family
1

Hello,

I load a document and I need to get all tables (Aspose.Words.Table) between two strings.
Example :
table0
LOOP2_START
table1
paragraph1
paragraph2
table2
LOOP2_END
table3

I need a method to get table1 and table2 between LOOP2_START and LOOP2_END.

Thanks

2

@DomZ "LOOP2_START" and "LOOP2_END" makers are separate paragraph you can use DocumentVisitor to achieve this:

Document doc = new Document(@"C:\Temp\in.docx");
doc.Accept(new MyVisitor());

private class MyVisitor : DocumentVisitor
{
    public override VisitorAction VisitParagraphStart(Paragraph paragraph)
    {
        string paraText = paragraph.ToString(SaveFormat.Text).Trim();
        if (paraText == "LOOP2_START")
            mProccessTables = true;
        else if (paraText == "LOOP2_END")
            mProccessTables = false;

        return VisitorAction.Continue;
    }

    public override VisitorAction VisitTableStart(Table table)
    {
        if (mProccessTables)
        {
            // Process the table here
            Console.WriteLine("This table is between LOOP2_START and LOOP2_END markers");
        }
        return VisitorAction.Continue;
    }

    private bool mProccessTables = false;
}
3

Thanks @alexey.noskov .

It works great.
Do you know if it is possible to do it without using a visitor ?

I can find the start and the end of the document block with this :

var loopStart = document.FindSeq<Node>(x => x.GetText().Contains("LOOP2_START")).FirstOrDefault();
var loopEnd = document.FindSeq<Node>(x => x.GetText().Contains("LOOP2_END")).FirstOrDefault();

But I don’t know how to get tables between those 2 nodes …

Thanks

4

@DomZ You can use something like this:

Document doc = new Document(@"C:\Temp\in.docx");

Node loopStart = doc.GetChildNodes(NodeType.Paragraph, true).Where(x => x.GetText().Contains("LOOP2_START")).FirstOrDefault();
Node loopEnd = doc.GetChildNodes(NodeType.Paragraph, true).Where(x => x.GetText().Contains("LOOP2_END")).FirstOrDefault();

List<Table> tablesBetween = doc.GetChildNodes(NodeType.Any, true)
    .SkipWhile(n => n != loopStart)
    .TakeWhile(n => n != loopEnd)
    .Where(n => n.NodeType == NodeType.Table)
    .Cast<Table>()
    .ToList();
5

Thanks it works like a charm !

1 Like