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<?php /** * File containing the ezcConsoleInputHelpGenerator interface. * * @package ConsoleTools * @version 1.6.1 * @copyright Copyright (C) 2005-2010 eZ Systems AS. All rights reserved. * @license http://ez.no/licenses/new_bsd New BSD License * @filesource */ /** * Interface for help generators used in ezcConsoleInput. * * An instance of a class implementing this interface is used in {@link * ezcConsoleInput} to generate the help information. * * @package ConsoleTools * @version 1.6.1 * * @access private * @TODO Verify interface and make it public to replace the validation in * {@link ezcConsoleInput}. */ interface ezcConsoleInputHelpGenerator { /** * Creates a new help generator. * * Creates a new help generator for the given $input. * * @param ezcConsoleInput $input */ public function __construct( ezcConsoleInput $input ); /** * Generates help information as a multidimensional array. * * This method generates a tabular view on the help information of a * program. The returned array has the following structure: * * <code> * <?php * array( * 0 => array( * 0 => '<option short/long name>', * 1 => '<option help, depending on the $long parameter>' * ), * 1 => array( * 0 => '<option short name> / <option long name>', * 1 => '<option help, depending on the $long parameter>' * ), * // ... * ); * ?> * </code> * * Each row of the array represents the help information for a single option. * The first cell of a row contains the option name (maybe short, long or * both), the second cell contains the help text of the option. * * The returned array is used by {@link ezcConsoleInput} for different * purposes. * For example, the user can retrieve it raw through the * {@link ezcConsoleInput::getHelp()} method, he can generate a help * {@link ezcConsoleTable} through {@link ezcConsoleInput::getHelpTable()} * are can generate a printable help text through {@link * ezcConsoleInput::getHelpText()}. * * The parameter $long defines if the long or short help text of the * options should be used in the second cell of the returned array. The * $optionsFilter parameter is used to restrict the generated help to a certain * sub-set of options. It consists of an array of short or long names of * the options to include. * * @param bool $long * @param array(string) $optionsFilter * @return array(array(string)) */ public function generateUngroupedOptionHelp( $long = false, array $optionsFilter = null ); /** * Generates help information as a multidimensional array, grouped in categories. * * This method behaves similar to {@link generateUngroupedOptionHelp()}. In * contrast to the latter one, this method returns an array with 1 * dimension more, grouping options into categories. The $groups parameter * defines the categories to generate. Each category may contain an * arbitrary number of options, options might occur in different * categories. * * The returned array has the follorwing format: * * <code> * <?php * array( * '<category name>' => array( * 0 => array( * 0 => '<option short/long name>', * 1 => '<option help, depending on the $long parameter>' * ), * 1 => array( * 0 => '<option short name> / <option long name>', * 1 => '<option help, depending on the $long parameter>' * ), * // ... * ), * '<category name>' => array( * // ... * ), * // ... * ); * ?> * </code> * * The $long parameter, as in {@link generateUngroupedOptionHelp()} * determines if the options short or long help is to be used. The * $params array can in addition be used to determine if a parameter * is displayed at all. If $optionsFilter is submitted and is not null, * only options listed in it will be shown in the help at all. * * @param array(string=>array(string)) $groups * @param bool $long * @param array(string) $params * @return array(string=>array(array(string))) */ public function generateGroupedOptionHelp( array $groups, $long = false, array $optionsFilter = null ); /** * Generates help information as a multi-dimensonal array for the given $argumentDefinition. * * This method generates a tabular help information for the given * $argumentDefinition in the following format: * * <code> * <?php * array( * 0 => array( * 0 => '<argument synopsis>', * 1 => '<argument help text>' * ), * 1 => array( * 0 => '<argument synopsis>', * 1 => '<argument help text>' * ), * // ... * ) * ?> * </code> * * The $long parameter defines if the long of short help text should be * used. * * @param bool $long * @return array(array(string)) */ public function generateArgumentHelp( $long = false ); /** * Generates a command line synopsis for the options and arguments. * * This method generates a synopsis string that lists the options and * parameters available, indicating their usage. * * @return string */ public function generateSynopsis( array $optionFilter = null ); } ?>
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