StringsStream content in Visio files

[Jan Stette <ja...@gmail.com>]

Hi all,

I'm trying to extract some information from Visio files and I don't seem to
be able to access all the data that's in them.  Looking into this using the
VSDDumper tool, I notice that the files contain StringsStream, but that the
API doesn't really provide any way to access the contents of such streams.
Is this something that is planned to be added, or just something that's
accepted as a limitation of the POI HDGF package?

Regards,
Jan

Re: StringsStream content in Visio files

[Nick Burch <ni...@alfresco.com>]

On Thu, 22 Dec 2011, Jan Stette wrote:
> I'm trying to extract some information from Visio files and I don't seem to
> be able to access all the data that's in them.

The main use case for HDGF is text extraction. Some other bits got done 
too, but mostly just the core and those parts needed to get the text out

> Looking into this using the VSDDumper tool, I notice that the files 
> contain StringsStream, but that the API doesn't really provide any way 
> to access the contents of such streams.

Currently the stream type we have the most support for is the chunks 
stream

I think you should find most of the basics for the stream in place, but 
there's nothing yet to decode it. If you do get something working, we'd 
love a patch! (Unfortunately it's been a few years since I did most of the 
HDGF work, so I may not be able to provide loads of help on the file 
format....)

Nick

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