482 lines
15 KiB
PHP
482 lines
15 KiB
PHP
<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\Common\Cli;
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use Doctrine\Common\Cli\Printers\AbstractPrinter;
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/**
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* CLI Option Group definition
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*
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @link www.doctrine-project.org
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* @since 2.0
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* @version $Revision$
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* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
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* @author Jonathan Wage <jonwage@gmail.com>
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* @author Roman Borschel <roman@code-factory.org>
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*/
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class OptionGroup
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{
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/* CLI Option Group CARDINALITY */
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/**
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* Defines the cardinality 0..N to CLI Option Group.
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* This means options in this group are optional and you can
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* define more than one CLI Option on a single command.
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*/
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const CARDINALITY_0_N = 0; // [...] [...] [...]
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/**
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* Defines the cardinality 0..1 to CLI Option Group.
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* This means all options in this group are optional and you can
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* define only one CLI Option on a single command.
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*/
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const CARDINALITY_0_1 = 1; // [...|...|...]
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/**
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* Defines the cardinality 1..1 to CLI Option Group.
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* This means all options in this group are required and you must
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* define only one CLI Option on a single command.
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*/
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const CARDINALITY_1_1 = 2; // (...|...|...)
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/**
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* Defines the cardinality 1..N to CLI Option Group.
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* This means all options in this group are required and you must
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* define at least one CLI Option on a single command.
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*/
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const CARDINALITY_1_N = 3; // (... ... ...)
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/**
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* Defines the cardinality N..N to CLI Option Group.
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* This means all options in this group are required and you must
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* define all CLI Options on a single command.
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*/
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const CARDINALITY_N_N = 4; // ... ... ...
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/**
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* Defines the cardinality M..N to CLI Option Group.
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* This means all options in this group are either required or
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* optional and you can CLI Options on a single command.
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* This is the option to skip CLI Option validation.
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*/
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const CARDINALITY_M_N = 5; // ... ... ...
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/** @var integer Option Group cardinality */
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private $_cadinality;
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/** @var array Option Group list of CLI Options */
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private $_options;
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/**
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* Constructs a new CLI Option Group
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*
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* @param integer Option Group cardinality
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* @param array CLI Option Group options
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*/
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public function __construct($cardinality, $options = array())
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{
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$this->_cardinality = $cardinality;
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$this->_options = $options;
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}
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/**
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* Retrieves the CLI Option Group cardinality
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*
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* @return integer Option Group cardinality
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*/
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public function getCardinality()
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{
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return $this->_cardinality;
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}
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/**
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* Retrieves the CLI Option Group options
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*
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* @return array Option Group options
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*/
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public function getOptions()
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{
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return $this->_options;
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}
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/**
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* Cleans the CLI Options inside this CLI Option Group
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*
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*/
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public function clear()
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{
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$this->_options = array();
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}
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/**
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* Includes a new CLI Option to the Option Group
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*
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* @param Option|OptionGroup CLI Option or CLI Option Group
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* @return OptionGroup This object instance
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*/
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public function addOption($option)
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{
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if ($option instanceof Option || $option instanceof OptionGroup) {
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$this->_options[] = $option;
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}
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return $this;
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}
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/**
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* Formats the CLI Option Group into a single line representation
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*
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* @param AbstractPrinter CLI Printer
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* @return string Single line string representation of CLI Option Group
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*/
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public function formatPlain(AbstractPrinter $printer)
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{
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$numOptions = count($this->_options);
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if ($numOptions == 0) {
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return '';
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}
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$style = $this->_getGroupOptionStyle();
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$shouldDisplayExtras = (
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$numOptions > 1 ||
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$this->_cardinality == self::CARDINALITY_0_1 ||
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$this->_cardinality == self::CARDINALITY_0_N
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);
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$str = ($shouldDisplayExtras) ? $printer->format($this->_startGroupDeclaration(), $style) : '';
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// Loop through all CLI Options defined in OptionGroup
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for ($i = 0; $i < $numOptions; $i++) {
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$option = $this->_options[$i];
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// Check for possible recursive OptionGroup
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if ($option instanceof OptionGroup) {
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// Simple increase nesting level by calling format recursively
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$str .= $option->formatPlain($printer);
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} else {
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// Expose the option formatted
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$str .= $printer->format((string) $option, $style);
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}
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// Possibly append content if needed
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if ($i < $numOptions - 1) {
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$str .= $printer->format($this->_separatorGroupDeclaration(), $style);
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}
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}
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$str .= ($shouldDisplayExtras) ? $printer->format($this->_endGroupDeclaration(), $style) : '';
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return $str;
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}
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/**
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* INTERNAL:
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* Defines the start Option Group declaration string
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*
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* @return string Start Option Group declaration string
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*/
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private function _startGroupDeclaration()
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{
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$str = '';
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// Inspect cardinality of OptionGroup
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switch ($this->_cardinality) {
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case self::CARDINALITY_0_1:
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case self::CARDINALITY_0_N:
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$str .= '[';
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break;
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case self::CARDINALITY_1_1:
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case self::CARDINALITY_1_N:
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$str .= '(';
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break;
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case self::CARDINALITY_N_N:
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case self::CARDINALITY_M_N:
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default:
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// Does nothing
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break;
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}
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return $str;
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}
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/**
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* INTERNAL:
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* Defines the separator Option Group declaration string
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*
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* @return string Separator Option Group declaration string
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*/
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private function _separatorGroupDeclaration()
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{
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$str = '';
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// Inspect cardinality of OptionGroup
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switch ($this->_cardinality) {
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case self::CARDINALITY_0_1:
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case self::CARDINALITY_1_1:
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$str .= ' | ';
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break;
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case self::CARDINALITY_1_N:
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case self::CARDINALITY_N_N:
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case self::CARDINALITY_M_N:
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$str .= ' ';
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break;
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case self::CARDINALITY_0_N:
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$str .= '] [';
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break;
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default:
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// Does nothing
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break;
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}
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return $str;
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}
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/**
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* INTERNAL:
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* Defines the end Option Group declaration string
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*
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* @return string End Option Group declaration string
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*/
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private function _endGroupDeclaration()
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{
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$str = '';
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// Inspect cardinality of OptionGroup
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switch ($this->_cardinality) {
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case self::CARDINALITY_0_1:
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case self::CARDINALITY_0_N:
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$str .= ']';
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break;
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case self::CARDINALITY_1_1:
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case self::CARDINALITY_1_N:
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$str .= ')';
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break;
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case self::CARDINALITY_N_N:
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case self::CARDINALITY_M_N:
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default:
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// Does nothing
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break;
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}
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return $str;
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}
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/**
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* INTERNAL:
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* Retrieve the Option Group style based on defined cardinality
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*
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* @return string CLI Style string representation
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*/
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private function _getGroupOptionStyle()
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{
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$style = 'NONE';
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// Inspect cardinality of OptionGroup
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switch ($this->_cardinality) {
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case self::CARDINALITY_0_1:
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case self::CARDINALITY_0_N:
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$style = 'OPT_ARG';
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break;
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case self::CARDINALITY_1_1:
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case self::CARDINALITY_1_N:
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case self::CARDINALITY_N_N:
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case self::CARDINALITY_M_N:
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$style = 'REQ_ARG';
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break;
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default:
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// Does nothing
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break;
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}
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return $style;
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}
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/**
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* Formats the CLI Option Group into a multi-line list with respective description
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*
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* @param AbstractPrinter CLI Printer
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* @return string Multi-line string representation of CLI Option Group
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*/
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public function formatWithDescription(AbstractPrinter $printer)
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{
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$numOptions = count($this->_options);
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if ($numOptions == 0) {
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return 'No available options' . PHP_EOL . PHP_EOL;
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}
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$str = '';
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// Get list of required and optional and max length options
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list(
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$requiredOptions, $optionalOptions, $maxOptionLength
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) = $this->_getOrganizedOptions(
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$this->_options, $this->_cardinality, 0
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);
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// Array-unique options
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$requiredOptions = array_unique($requiredOptions);
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$optionalOptions = array_unique($optionalOptions);
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// TODO Sort options alphabetically
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// Displaying required options
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for ($i = 0, $l = count($requiredOptions); $i < $l; $i++) {
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$str .= $this->_displayOptionWithDescription(
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$printer, $requiredOptions[$i], 'REQ_ARG', $maxOptionLength
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);
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// Include extra line breaks between options
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$str .= PHP_EOL . PHP_EOL;
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}
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// Displaying optional options
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for ($i = 0, $l = count($optionalOptions); $i < $l; $i++) {
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$str .= $this->_displayOptionWithDescription(
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$printer, $optionalOptions[$i], 'OPT_ARG', $maxOptionLength
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);
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// Include extra line breaks between options
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$str .= PHP_EOL . PHP_EOL;
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}
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return $str;
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}
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/**
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* Organize the Options into arrays of required and optional options.
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* Also define the maximum length of CLI Options.
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*
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* @param array Array of CLI Option or CLI Option Group
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* @param integer Current CLI OptionGroup cardinality
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* @param integer Maximum length of CLI Options
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* @return array Array containing 3 indexes: required options, optional
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* options and maximum length of CLI Options
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*/
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private function _getOrganizedOptions($options, $cardinality, $maxColumn)
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{
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// Calculate maximum length and also organize the
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// options into required and optional ones
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$numOptions = count($options);
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$requiredOptions = array();
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$optionalOptions = array();
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for ($i = 0; $i < $numOptions; $i++) {
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$option = $options[$i];
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// Check for possible recursive OptionGroup
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if ($option instanceof OptionGroup) {
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// Initialize OptionGroup options
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$groupRequiredOptions = array();
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$groupOptionalOptions = array();
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// Get nested information
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list(
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$groupRequiredOptions, $groupOptionalOptions, $maxGroupColumn
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) = $this->_getOrganizedOptions(
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$option->getOptions(), $option->getCardinality(), $maxColumn
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);
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// Merge nested required and optional options
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$requiredOptions = array_merge($requiredOptions, $groupRequiredOptions);
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$optionalOptions = array_merge($optionalOptions, $groupOptionalOptions);
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// If OptionGroup length is bigger than the current maximum, update
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if ($maxColumn < $maxGroupColumn) {
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$maxColumn = $maxGroupColumn;
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}
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} else {
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// Cardinality defines between optional or required options
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switch ($cardinality) {
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case self::CARDINALITY_0_1:
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case self::CARDINALITY_0_N:
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$optionalOptions[] = $option;
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break;
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case self::CARDINALITY_1_1:
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case self::CARDINALITY_1_N:
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case self::CARDINALITY_N_N:
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case self::CARDINALITY_M_N:
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$requiredOptions[] = $option;
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break;
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default:
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// Does nothing
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break;
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}
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// Build Option string
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$optionStr = (string) $option;
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// + 2 = aditional spaces after option
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$length = strlen($optionStr) + 2;
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if ($maxColumn < $length) {
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$maxColumn = $length;
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}
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}
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}
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return array($requiredOptions, $optionalOptions, $maxColumn);
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}
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/**
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* INTERNAL:
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* Formats the CLI Option and also include the description
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*
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* @param AbstractPrinter CLI Printer
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* @param Option CLI Option to be formatted
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* @param string CLI Style string representation
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* @param integer Maximum CLI Option length
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* @return string Formats the current CLI Option line(s)
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*/
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private function _displayOptionWithDescription($printer, $option, $style, $maxOptionLength)
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{
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// Expose the option formatted
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$optionStr = (string) $option;
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// Format Option string
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$str .= $printer->format($optionStr, $style);
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// Include missing spaces
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$str .= str_repeat(' ', $maxOptionLength - strlen($optionStr));
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// Calculate and display description
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$str .= str_replace(
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PHP_EOL, PHP_EOL . str_repeat(' ', $maxOptionLength), $option->getDescription()
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);
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return $str;
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}
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} |