Alvis::NLPPlatform::Convert - Perl extension for converting files in any format into the ALVIS XML.

use Alvis::NLPPlatform::Convert;

my %config = &Alvis::NLPPlatform::load_config($rcfile);

my $mm = Alvis::NLPPlatform::Convert::load_MagicNumber(\%config);

my $AlvisConverter = Alvis::NLPPlatform::Convert::html2alvis_init();

Alvis::NLPPlatform::Convert::conversion_file_to_alvis_xml($ARGV[0], $AlvisConverter, \%config, $mm);

This module provides methods to convert input files into the ALVIS XML format. It determines the type of the input files according to its magic number and applies converters. Output files are stored in a temporary spool.

    load_MagicNumber(\%config);

This method loads additional information for magic numbers. The file is defined in the variable SupplMagicFile in the section CONVERTER.

It returns the object containing the list of magic numbers.

    html2alvis_init(\%config);

The method Initializes the HTML2XML Alvis converter. It also determines the directory where will store the output files. It is either the directory by the variable ALVISTMP) or either, by default, the current directory. The start number of the files is also determined.

The method returns the Alvis converter (i.e. from HTML file to Alvis DTD XML).

    conversion_file_to_alvis_xml($file,  $AlvisConv, $config, $mm);

The method converts the input file $file into the Alvis XML. Other arguments are the Alvis converter $AlvisConv, the NLP platform configuration ($config), providing command lines for convertion, and additional magic numbers ($mm).

    html2alvis($file, $Alvis_converter);

The method converts the HTML file $file into the ALVIS XML format (thanks to the ALVIS converter Alvis_converter) and store the output file in the temporary spool directory.

It returns a value different of 0 if it fails.

    make_meta($filename)

The method generates the meta information associated to filename with default values, i.e. title, date and url, and then returns it.

    outputting_default_xmlns_file($outdata, $outfile, $AlvisConverter, $config, $mm);

The method print the output data $output (defined in a empty XML namespace) into the temporary file outfile, and carries out the convertion to the ALVIS XML format, with $AlvisConverter.

Additional parameters are the configuration $config and the additional magic filter $mm.

    applying_stylesheet($file, $xmlns, $config);

This method applies the XML style sheet, defined for the namespace $xmlns given the configuration $config, to the file $file.

The method returns an two element array containing the XML namespace and the XML data.

    get_type_file($file, $mm);

The method determines and returns the type of the file $file according to its magic number (regarding the list $mm) and in the case of "msword", according to the extension of the file (PowerPoint and Excel.

    outputting_alvis_from_file($alvisfile, $Alvis_converter, $config);

The method formats and outputs the file $alvisfile. It loads the file, and applies the ALVIS converter. The language of the document(s) is identified at this point thanks to the method defined in the ALVIS::NLPPlatform::Document module.

The $config parameter is the hashtable containing the configuration variables.

    outputting_alvis($alvisXML, $Alvis_converter, $config);

The method ouputs the data contained in $alvisXML thaks to the ALVIS converter. The $config parameter is the hashtable containing the configuration variables.

    making_spool($config, $outputRootDir);

The method generates the spool directory defined in $config from the $outputRootDir.

# =head1 ENVIRONMENT

Alvis web site: http://www.alvis.info

Thierry Hamon <thierry.hamon@lipn.univ-paris13.fr>

Copyright (C) 2007 by Thierry Hamon

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.6 or, at your option, any later version of Perl 5 you may have available.