DESCRIPTION
Utility library that validates that a file is correct according to http://wiki.xmltv.org/index.php/XMLTVFormat.EXPORTED FUNCTIONS
All these functions are exported on demand.- LoadDtd
 - 
Load the xmltv dtd. Takes a single parameter which is the name of
the xmltv dtd file.
LoadDtd must be called before ValidateFile can be called.
 - ValidateFile
 - 
Validate that a file is valid according to the XMLTV dtd and try to check
that it contains valid information. ValidateFile takes a filename as parameter
and optionally also a day and an offset and prints error messages to STDERR.
ValidateFile returns a list of errors that it found with the file. Each error takes the form of a keyword:
ValidateFile checks the following:
- 
- notwell
 - The file is not well-formed XML.
 - notdtd
 - The file does not follow the XMLTV DTD.
 - unknownid
 - No channel-entry found for a channelid that is used in a programme-entry.
 - duplicatechannel
 - More than one channel-entry found for a channelid.
 - noprogrammes
 - No programme entries were found in the file.
 - channelnoprogramme
 - There are no programme entries for one of the channels listed with a channel-entry.
 - invalidid
 - An xmltvid does not look like a proper id, i.e. it does not match /^[-a-zA-Z0-9]+(\.[-a-zA-Z0-9]+)+$/.
 - noid
 - A programme-entry without an id was found.
 - emptytitle
 - A programme entry with an empty or missing title was found.
 - emptydescription
 - A programme entry with an empty desc-element was found. The desc-element shall be omitted if there is no description.
 - badstart
 - A programme entry with an invalid start-time was found.
 - badstop
 - A programme entry with an invalid stop-time was found.
 - badepisode
 - A programme entry with an invalid episode number was found.
 - badiso8859
 - The file is encoded in iso-8859 but contains characters that have no meaning in iso-8859 (or are control characters). If it's iso-8859-1 aka Latin 1 it might be some characters in windows-1252 encoding.
 - badutf8
 - The file is encoded in utf-8 but contains characters that look strange. 1) Mis-encoded single characters represented with [EF][BF][BD] bytes 2) Mis-encoded single characters represented with [C3][AF][C2][BF][C2][BD] bytes 3) Mis-encoded single characters in range [C2][80-9F]
 
 
- 
If no errors are found, an empty list is returned.
 
 - 
 
BUGS
It is currently necessary to specify the path to the xmltv dtd-file. This should not be necessary.COPYRIGHT
Copyright (C) 2006 Mattias Holmlund.This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

