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81 lines
2.5 KiB
81 lines
2.5 KiB
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Class for converting files between different file formats.
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*
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* @package core_files
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* @copyright 2017 Andrew Nicols <andrew@nicols.co.uk>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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namespace core_files;
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defined('MOODLE_INTERNAL') || die();
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/**
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* Class for converting files between different file formats.
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*
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* @package docconvert_unoconv
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* @copyright 2017 Andrew Nicols <andrew@nicols.co.uk>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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interface converter_interface {
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/**
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* Whether the plugin is configured and requirements are met.
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*
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* Note: This function may be called frequently and caching is advisable.
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*
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* @return bool
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*/
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public static function are_requirements_met();
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/**
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* Convert a document to a new format and return a conversion object relating to the conversion in progress.
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*
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* @param conversion $conversion The file to be converted
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* @return $this
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*/
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public function start_document_conversion(conversion $conversion);
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/**
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* Poll an existing conversion for status update.
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*
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* @param conversion $conversion The file to be converted
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* @return $this
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*/
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public function poll_conversion_status(conversion $conversion);
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/**
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* Determine whether a conversion between the two supplied formats is achievable.
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*
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* Note: This function may be called frequently and caching is advisable.
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*
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* @param string $from The source type
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* @param string $to The destination type
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* @return bool
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*/
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public static function supports($from, $to);
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/**
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* A list of the supported conversions.
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*
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* Note: This information is only displayed to administrators.
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*
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* @return string
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*/
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public function get_supported_conversions();
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}
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