GitHub user doykle opened a pull request:
https://github.com/apache/tika/pull/69
Psd parser
Stepping through the byte stream to find text layer content ran into two
blocks:
+ Undocumented 4 bytes `Txt ` coming before the expected `TEXT` key
+ If the first key consumed is not `Txt TEXT`, the key which IS consumed
must be supported in order to get to the next key. The size of the data each
key identifies is not easily determined.
This implementation places the entire block of keyed data into a byte array
and scans for the `TEXT` key.
The dead-end code is commented out, saved for an especially rainy day when
we can add support for all the keys and do this properly. (Should I do the
right thing and put it on a separate branch?)
References:
PSD File Specification from 2013:
http://www.adobe.com/devnet-apps/photoshop/fileformatashtml/#50577409_pgfId-1031423
Unofficial PSD anatomy lesson from 2014:
https://github.com/layervault/psd.rb/wiki/Anatomy-of-a-PSD-File
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rastech/tika psd-parser
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/tika/pull/69.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #69
----
commit b3656b0c0f2ce2b7508086d64462ad82c9505556
Author: Kevin <[email protected]>
Date: 2016-01-10T02:02:28Z
Extract layer names and some text fields
commit 6fee54dd41fb8cc1c5ffa51590dcf7bb45695fed
Author: Kevin <[email protected]>
Date: 2016-01-10T09:15:42Z
Variables declared outside of loop
commit 27c65309be72de030d61ebb9991d214cddf7eba8
Author: Kevin <[email protected]>
Date: 2016-01-10T21:04:10Z
Add layer names to existing photoshop metadata tags
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