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Parse in Visual Basic

Posted on 2010-09-04
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Last Modified: 2012-08-14
I am trying to write a script which would parse the id from the following snippet:

<form  method="post" action="/gp/checkout/address/edit.html/ref=ox_shipaddress_edit_addr_1" id="edit-joqkltnomp">
     
and insert it where ID is in the following snippet:

        Set FormElement = GWFO(iedoc, "getElementByid", VbMethod, 30, ID)
       FormElement.submit
the id in the first snippet is always a variable so I searched for the part of the snippet immediately before it which is a constant as follows:

(Body.innerHTML, "ox_shipaddress_edit_addr_1")

I am thinking if i create a string called IDString, for example, I can run the latter snippet as

      Set FormElement = GWFO(iedoc, "getElementByid", VbMethod, 30, IDString)
       FormElement.submit

I am just having a hard time figuring out how to parse the id and creating the string. Help much appreciated.
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Question by:bpfsr
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8 Comments
 
LVL 85

Expert Comment

by:Mike Tomlinson
ID: 33605565
Try something like this:
Dim IDString As String
Dim values As Variant
values = Split(Body.InnerHTML, "id=" & Chr(34))
If UBound(values) >= 1 Then
    values = Split(values(1), Chr(34))
    If UBound(values) >= 1 Then
        IDString = values(0)
        ' ...
        Set FormElement = GWFO(iedoc, "getElementByid", VbMethod, 30, IDString)
        FormElement.submit
    Else
        ' closing " was not found
    End If
Else
    ' id=" was not found
End If

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Author Comment

by:bpfsr
ID: 33605615
I think you are close Idle but there is more than one "id=" in the HTML and it is picking up one of th eother ones. that is why I wanted to find the "ox_shipaddress_edit_addr_1" as that is unique. If I can find that first the "id=" after that will always be the id I am looking for.
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LVL 85

Accepted Solution

by:
Mike Tomlinson earned 500 total points
ID: 33605689
Ah...try this modification then:
Dim IDString As String
Dim values As Variant

values = Split(Body.InnerHTML, "ox_shipaddress_edit_addr_1")
If UBound(values) >=1 Then
    values = Split(values(1), "id=" & Chr(34))
    If UBound(values) >= 1 Then
        values = Split(values(1), Chr(34))
        If UBound(values) >= 1 Then
            IDString = values(0)
            ' ...
            Set FormElement = GWFO(iedoc, "getElementByid", VbMethod, 30, IDString)
            FormElement.submit
        Else
            ' closing " was not found
        End If
    Else
        ' id=" was not found
    End If
Else
    ' ox_shipaddress_edit_addr_1 was not found
End If

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Author Comment

by:bpfsr
ID: 33606558
not working either. it looks likes its not finding "id=" as

values = Split(values(1), "id=" & Chr(34))
    If UBound(values) >= 1 Then
   
turns up ubound(values) = 0

0
 

Author Comment

by:bpfsr
ID: 33606658
From what I can tell you are trying to split the html from after the "ox_shipaddress_edit_addr_1"), then find the "id=" and parse the 34 characters after it; is that right? I did a

debug.print '|" & Body.innerHTML & '|"

and it looks like it is only splitting the last few paragraphs of the HTML (which is actually several pages long, with the "ox_shipaddress_edit_addr_1" we are looking for probably in the top quarter of the code)
there is an 'id=" in that last paragraph and it is pulling the script from after that, which in turn is not the right script. Is there a way to just parse the "id=" immediately after the "ox_shipaddress_edit_addr_1"  without doing the split as it seems the split is where the problem is...
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LVL 45

Expert Comment

by:aikimark
ID: 33606839
why not use the XML DOM to get the data you want, rather than do string parsing?
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Author Comment

by:bpfsr
ID: 33608011
???
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Author Comment

by:bpfsr
ID: 33608381
Idle, it was very close but after playing with it this is what came to work:

      Set Body = GWFO(iedoc, "getElementsByTagName", VbMethod, 30, "BODY")(0)
            Debug.Print "|" & Body.innerHTML & "|"
            If InStr(Body.innerHTML, "ox_shipaddress_edit_addr_1") Then
            values = Split(Body.innerHTML, "ox_shipaddress_edit_addr_1")
                Debug.Print "|" & UBound(values) & "|"
                If UBound(values) >= 1 Then
                values = Split(values(1), "id=" & Chr(34))
                    If UBound(values) < 1 Then
                    values = Split(values(0), Chr(34))
                        If UBound(values) >= 1 Then
                        IDString = values(0)
                        IDString = Mid(IDString, 15, 10)
                        IDString = "edit-" & IDString
                        ' ...
                        Set FormElement = GWFO(iedoc, "getElementByid", VbMethod, 30, IDString)
                        FormElement.submit
                        Else
                        ' closing " was not found
                        End If
                    Else
                    ' id=" was not found
                    End If
                Else
                ' ox_shipaddress_edit_addr_1 was not found
                End If
            End If
 
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