AutoIt Requires Chilkat v11.7.0+

Extract One Section of a PDF by its Heading

See more PDF Text Extraction Examples

Demonstrates "labelValue": "section", which returns everything from a heading up to the next heading of the same or higher level. With the "markdown" operation the section keeps its own sub-headings. AutoIt

Local $bSuccess = False

;  This example requires the Chilkat API to have been previously unlocked.
;  See Global Unlock Sample for sample code.

;  The PDF used in this example is available at sectioned_doc.pdf

$oPdf = ObjCreate("Chilkat.Pdf")
$bSuccess = $oPdf.LoadFile("qa_data/pdf/sectioned_doc.pdf")
If ($bSuccess = False) Then
    ConsoleWrite($oPdf.LastErrorText & @CRLF)
    Exit
EndIf

$oJson = ObjCreate("Chilkat.JsonObject")
$oJsonOut = ObjCreate("Chilkat.JsonObject")

;  The document has the sections Introduction, Opening Hours, Terms and Conditions (with the
;  sub-sections Admission, Safety and Liability) and Contact.  Get the Terms and Conditions:
;  everything after that heading up to the next heading of the same level (Contact).  The heading
;  itself is not part of the value; labelMatches[0].label has it.
$oJson.UpdateString("label","Terms and Conditions")
$oJson.UpdateString("labelValue","section")

$bSuccess = $oPdf.ExtractText("markdown",$oJson,$oJsonOut)
If ($bSuccess = False) Then
    ConsoleWrite($oPdf.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite($oJsonOut.StringOf("markdown") & @CRLF)

;  The same with the "text" operation gives the section as plain text.
$bSuccess = $oPdf.ExtractText("text",$oJson,$oJsonOut)
If ($bSuccess = False) Then
    ConsoleWrite($oPdf.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("---- as text ----" & @CRLF)
ConsoleWrite($oJsonOut.StringOf("text") & @CRLF)

;  Sample output:

;  ### Admission
;  
;  Admission is free. Groups of more than ten should book in advance so that a volunteer can be assigned to them.
;  
;  ### Safety
;  
;  No more than eight people may be on the stair at one time. Children under twelve must be accompanied by an adult, and the lantern room is closed in high winds.
;  
;  ### Liability
;  
;  Visitors climb the tower at their own risk. The society carries public liability insurance but accepts no responsibility for personal property.
;  ---- as text ----
;  Admission
;  
;  Admission is free. Groups of more than ten should book in advance so that a volunteer can be assigned to them.
;  
;  Safety
;  
;  No more than eight people may be on the stair at one time. Children under twelve must be accompanied by an adult, and the lantern room is closed in high winds.
;  
;  Liability
;  
;  Visitors climb the tower at their own risk. The society carries public liability insurance but accepts no responsibility for personal property.