<?php
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/*
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* This file is part of the overtrue/pinyin.
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*
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* (c) overtrue <i@overtrue.me>
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*
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* This source file is subject to the MIT license that is bundled
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* with this source code in the file LICENSE.
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*/
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namespace Overtrue\Pinyin;
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use Closure;
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/**
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* Memory Dict File loader.
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*/
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class MemoryFileDictLoader implements DictLoaderInterface
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{
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/**
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* Data directory.
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*
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* @var string
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*/
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protected $path;
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/**
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* Words segment name.
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*
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* @var string
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*/
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protected $segmentName = 'words_%s';
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/**
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* Segment files.
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*
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* @var array
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*/
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protected $segments = array();
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/**
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* Surname cache.
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*
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* @var array
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*/
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protected $surnames = array();
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/**
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* Constructor.
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*
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* @param string $path
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*/
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public function __construct($path)
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{
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$this->path = $path;
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for ($i = 0; $i < 100; ++$i) {
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$segment = $path.'/'.sprintf($this->segmentName, $i);
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if (file_exists($segment)) {
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$this->segments[] = (array) include $segment;
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}
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}
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}
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/**
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* Load dict.
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*
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* @param Closure $callback
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*/
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public function map(Closure $callback)
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{
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foreach ($this->segments as $dictionary) {
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$callback($dictionary);
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}
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}
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/**
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* Load surname dict.
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*
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* @param Closure $callback
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*/
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public function mapSurname(Closure $callback)
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{
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if (empty($this->surnames)) {
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$surnames = $this->path.'/surnames';
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if (file_exists($surnames)) {
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$this->surnames = (array) include $surnames;
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}
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}
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$callback($this->surnames);
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}
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}
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