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https://issues.apache.org/jira/browse/PDFBOX-5539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17713387#comment-17713387
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Moritz Flöter commented on PDFBOX-5539:
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!pdfvoler-structure-view.png!
I was preparing an overview over tooling that can be used to debug pdfs, remove
sensitive information, create test data etc.
I came across PDF Vole
(https://github.com/Rossi1337/pdf_vole/releases/tag/v20210711) and liked the
idea of how the view is structured. This would also simplify the view selection
in PDFBox Debugger as there would only be a structured and a page view instead
of three distinct views. Even if not all objects are pulled from a single xref
table, the view also makes structural sense as the most basic exploration of
any pdf file would start with looking at the trailer and the at the xref (for
example hrough a text editor).
I do realize that the actual implementation would happen in a separate issue
(if at all). But as it is closely linked, I'd place the idea here first, before
creating an issue.
> Show CRT in PDFDebugger
> -----------------------
>
> Key: PDFBOX-5539
> URL: https://issues.apache.org/jira/browse/PDFBOX-5539
> Project: PDFBox
> Issue Type: New Feature
> Components: Utilities
> Affects Versions: 2.0.27, 3.0.0 PDFBox
> Reporter: Moritz Flöter
> Assignee: Andreas Lehmkühler
> Priority: Major
> Fix For: 3.0.0 PDFBox
>
> Attachments: Frühlingsangebot.pdf, pdfvoler-structure-view.png
>
>
> For analyzing potentially erroneous PDFs it would be quite helpful to be able
> to show the CRT (Cross Reference Table/xref) and navigate to its entries.
> Some software does provide rather technical (and therefore quite precise)
> information about errors in the PDF files mentioning the object number in the
> pdf file instead of page numbers. With PDF-Debugger, I currently have to
> navigate the Document Catalog Tree structure to find the object. Furthermore,
> navigating the tree structure does not enable one to view unreferenced
> objects.
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