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<?php
/**
* Hoa
*
*
* @license
*
* New BSD License
*
* Copyright © 2007-2017, Hoa community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Hoa nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
namespace Psy\Readline\Hoa;
/**
* Class \Hoa\Console\Readline\Autocompleter\Word.
*
* The simplest auto-completer: complete a word.
*/
class AutocompleterWord implements Autocompleter
{
/**
* List of words.
*/
protected $_words = null;
/**
* Constructor.
*/
public function __construct(array $words)
{
$this->setWords($words);
}
/**
* Complete a word.
* Returns null for no word, a full-word or an array of full-words.
*
* @param string &$prefix Prefix to autocomplete
*
* @return mixed
*/
public function complete(&$prefix)
{
$out = [];
$length = \mb_strlen($prefix);
foreach ($this->getWords() as $word) {
if (\mb_substr($word, 0, $length) === $prefix) {
$out[] = $word;
}
}
if (empty($out)) {
return null;
}
if (1 === \count($out)) {
return $out[0];
}
return $out;
}
/**
* Get definition of a word.
*/
public function getWordDefinition(): string
{
return '\b\w+';
}
/**
* Set list of words.
*
* @param array $words words
*
* @return array
*/
public function setWords(array $words)
{
$old = $this->_words;
$this->_words = $words;
return $old;
}
/**
* Get list of words.
*/
public function getWords(): array
{
return $this->_words;
}
}
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