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106 lines
2.7 KiB
PHP
106 lines
2.7 KiB
PHP
<?php
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namespace Rhymix\Framework\Parsers;
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/**
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* This class provides common methods for other parser classes to use.
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*/
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abstract class BaseParser
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{
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/**
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* Get all attributes of an element as an associative array.
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*
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* @param SimpleXMLElement $element
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* @param bool $normalize
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* @return array
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*/
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protected static function _getAttributes(\SimpleXMLElement $element, $normalize = true): array
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{
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$result = array();
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foreach ($element->attributes() as $key => $val)
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{
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if ($normalize)
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{
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$key = strtolower(preg_replace('/[^a-zA-Z]/', '', $key));
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}
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$result[trim($key)] = trim($val);
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}
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return $result;
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}
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/**
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* Get the contents of child elements that match a language.
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*
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* @param SimpleXMLElement $parent
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* @param string $tag_name
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* @param string $lang
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* @return string
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*/
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protected static function _getChildrenByLang(\SimpleXMLElement $parent, string $tag_name, string $lang): string
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{
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// If there is a child element that matches the language, return it.
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foreach ($parent->{$tag_name} as $child)
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{
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$attribs = $child->attributes('xml', true);
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if (strval($attribs['lang']) === $lang)
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{
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return trim($child);
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}
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}
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// Otherwise, return the first child element.
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foreach ($parent->{$tag_name} as $child)
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{
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return trim($child);
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}
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// If there are no child elements, return an empty string.
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return '';
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}
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/**
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* Parse extra_vars.
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*
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* @param SimpleXMLElement $extra_vars
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* @param string $lang
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* @return object
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*/
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protected static function _getExtraVars(\SimpleXMLElement $extra_vars, string $lang): \stdClass
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{
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$result = new \stdClass;
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$group_name = $extra_vars->getName() === 'group' ? self::_getChildrenByLang($extra_vars, 'title', $lang) : null;
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foreach ($extra_vars->group ?: [] as $group)
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{
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$group_result = self::_getExtraVars($group, $lang);
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foreach ($group_result as $key => $val)
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{
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$result->{$key} = $val;
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}
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}
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foreach ($extra_vars->var ?: [] as $var)
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{
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$item = new \stdClass;
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$item->group = $group_name;
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$item->name = trim($var['name']);
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$item->type = trim($var['type']) ?: 'text';
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$item->title = self::_getChildrenByLang($var, 'title', $lang);
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$item->description = str_replace('\\n', "\n", self::_getChildrenByLang($var, 'description', $lang));
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$item->default = trim($var['default']) ?: null;
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$item->value = null;
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if ($var->options)
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{
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$item->options = array();
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foreach ($var->options as $option)
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{
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$option_item = new \stdClass;
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$option_item->title = self::_getChildrenByLang($option, 'title', $lang);
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$option_item->value = trim($option['value']);
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$item->options[$option_item->value] = $option_item;
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}
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}
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$result->{$item->name} = $item;
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}
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return $result;
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}
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}
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