NAME

Image::ExifTool::TagInfoXML - Read/write tag information XML database

DESCRIPTION

This module is used to generate an XML database from all ExifTool tag information. This database may then be edited and used to re-generate the localized tag information modules (Image::ExifTool::Lang::*).

METHODS

Write

Print complete tag information database in XML format.

# save list of all tags
$success = Image::ExifTool::TagInfoXML::Write('dst.xml');

# list all IPTC tags to console, including Flags
Image::ExifTool::TagInfoXML::Write(undef, 'IPTC', Flags => 1);

# write all EXIF Camera tags to file
Image::ExifTool::TagInfoXML::Write($outfile, 'exif:camera');

Inputs:

0) [optional] Output file name, or undef for console output.

1) [optional] String of group names separated by colons to specify the group to print. A specific IFD may not be given as a group, since EXIF tags may be written to any IFD. Saves all groups if not specified.

2) [optional] Hash of options values:

Flags   - Set to output 'flags' attribute
NoDesc  - Set to suppress output of descriptions

Return Value:

True on success.

Sample XMP Output:

<?xml version='1.0' encoding='UTF-8'?>
<taginfo>

<table name='XMP::dc' g0='XMP' g1='XMP-dc' g2='Other'>
 <desc lang='en'>XMP Dublin Core</desc>
 <tag id='title' name='Title' type='lang-alt' writable='true' g2='Image'>
  <desc lang='en'>Title</desc>
  <desc lang='de'>Titel</desc>
  <desc lang='fr'>Titre</desc>
 </tag>
 ...
</table>

</taginfo>

Flags (if selected and available) are formatted as a comma-separated list of the following possible values: Avoid, Binary, List, Mandatory, Permanent, Protected, Unknown and Unsafe. See the tag name documentation and lib/Image/ExifTool/README for a description of these flags. For XMP List tags, the list type (Alt, Bag or Seq) is also output as a flag if applicable.

BuildLangModules

Build all Image::ExifTool::Lang modules from an XML database file.

Image::ExifTool::TagInfoXML::BuildLangModules('src.xml');

Inputs:

0) XML file name

Return Value:

Number of modules updated, or negative on error.

AUTHOR

Copyright 2003-2010, Phil Harvey (phil at owl.phy.queensu.ca)

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

SEE ALSO

Image::ExifTool(3pm), Image::ExifTool::TagNames(3pm)