166 lines
4.3 KiB
PHP
166 lines
4.3 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* The selector helpers file of zin of ZenTaoPMS.
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*
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* @copyright Copyright 2023 青岛易软天创网络科技有限公司(QingDao Nature Easy Soft Network Technology Co,LTD, www.cnezsoft.com)
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* @author Hao Sun <sunhao@easycorp.ltd>
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* @package zin
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* @version $Id
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* @link https://www.zentao.net
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*/
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namespace zin;
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/**
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* Parse wg selector
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* @param string|object $selector
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* @return object|null
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*/
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function parseWgSelector(string|object $selector): ?object
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{
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if(is_object($selector)) return $selector;
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$selector = trim($selector);
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$len = strlen($selector);
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if($len < 1) return null;
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$result = array(
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'class' => array(),
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'id' => null,
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'tag' => null,
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'inner' => false,
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'name' => null,
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'first' => false,
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'selector' => $selector
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);
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if(str_contains($selector, '/'))
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{
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$parts = explode('/', $selector, 2);
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$result['name'] = $parts[0];
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$selector = $parts[1];
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$len = strlen($selector);
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}
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$selector = str_replace('> *', '>*', $selector);
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if(substr($selector, strlen($selector) - 2) == '>*')
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{
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$result['inner'] = true;
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$selector = substr($selector, 0, strlen($selector) - 2);
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$len = strlen($selector);
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}
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$type = 'tag';
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$current = '';
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$updateResult = function(&$result, $current, $type)
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{
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if(empty($current)) return;
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if($type === 'class')
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{
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$result[$type][] = $current;
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}
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elseif($type === 'option')
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{
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$options = [];
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parse_str($current, $options);
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foreach($options as $key => $value) $result[$key] = empty($value) ? true : $value;
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}
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else
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{
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$result[$type] = $current;
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}
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};
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for($i = 0; $i < $len; $i++)
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{
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$c = $selector[$i];
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$t = '';
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if($c === '#' & $type !== 'option')
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{
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$t = 'id';
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}
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elseif($c === '.' & $type !== 'option')
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{
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$t = 'class';
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}
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elseif($c === '(' && $type !== 'option' && str_ends_with($selector, ')'))
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{
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$command = substr($selector, $i + 1, -1);
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if(empty($command)) $command = $current;
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$result['command'] = $command;
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break;
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}
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elseif($c === ':')
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{
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$t = 'option';
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}
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if(empty($t))
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{
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$current .= $c;
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}
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else
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{
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$updateResult($result, $current, $type);
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$current = '';
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$type = $t;
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}
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}
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$updateResult($result, $current, $type);
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if(empty($result['class'])) $result['class'] = null;
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if(empty($result['name']))
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{
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if(!empty($result['id'])) $result['name'] = $result['id'];
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elseif(!empty($result['tag'])) $result['name'] = $result['tag'];
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else $result['name'] = $selector;
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}
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return (object)$result;
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}
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/**
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* Parse wg selectors.
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* @param object|string|object[]|string[] $selectors
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* @return object[]
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*/
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function parseWgSelectors(object|string|array $selectors): array
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{
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if(is_object($selectors)) return array($selectors);
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if(is_string($selectors)) $selectors = explode(',', trim($selectors));
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$results = array();
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foreach($selectors as $selector)
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{
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$selector = parseWgSelector($selector);
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if(is_object($selector)) $results[] = $selector;
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}
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return $results;
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}
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/**
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* Stringify wg selectors.
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* @param object|object[] $selector
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* @return string
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*/
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function stringifyWgSelectors(array|object $selector): string
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{
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if(empty($selector)) return '';
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if(is_array($selector))
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{
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$result = [];
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foreach($selector as $s) $result[] = stringifyWgSelectors($s);
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return implode(',', $result);
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}
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$result = '';
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if(!empty($selector->name) && $selector->name !== $selector->selector) $result .= $selector->name . '/';
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if(!empty($selector->tag)) $result .= $selector->tag;
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if(!empty($selector->id)) $result .= '#' . $selector->id;
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if(!empty($selector->class)) $result .= '.' . implode('.', $selector->class);
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if(!empty($selector->first)) $result .= ':first';
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if($selector->inner) $result .= '>*';
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return $result;
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}
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