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