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<?php |
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namespace kalanis\kw_menu\MetaSource; |
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use kalanis\kw_menu\Interfaces; |
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use kalanis\kw_menu\Menu\Entry; |
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use kalanis\kw_menu\Menu\Menu; |
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use kalanis\kw_menu\Traits\TEscape; |
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/** |
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* Class FileParser |
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* @package kalanis\kw_menu\MetaSource |
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* Process metadata as file on volume |
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*/ |
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class FileParser implements Interfaces\IMetaFileParser |
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{ |
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use TEscape; |
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protected Menu $menu; |
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protected Entry $entry; |
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public function __construct() |
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{ |
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$this->menu = new Menu(); |
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$this->entry = new Entry(); |
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} |
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/** |
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* @param string $content |
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* @return Menu |
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*/ |
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public function unpack(string $content): Menu |
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{ |
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$menu = clone $this->menu; |
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if (!empty($content) && (false !== mb_strpos($content, "\r\n"))) { |
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$lines = explode("\r\n", $content); |
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$this->loadHeader($menu, reset($lines)); |
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$this->loadItems($menu, array_slice($lines, 1)); |
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} |
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return $menu; |
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} |
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protected function loadHeader(Menu $menu, string $line): void |
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{ |
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if (false === mb_strpos($line, Interfaces\IMenu::SEPARATOR)) { |
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return; |
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} |
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$headData = explode(Interfaces\IMenu::SEPARATOR, $line); |
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$menu->setData( |
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$this->restoreNl(strval($headData[0])), |
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$this->restoreNl(strval($headData[2])), |
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$this->restoreNl(strval($headData[3])), |
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intval($headData[1]) |
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); |
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} |
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/** |
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* @param Menu $menu |
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* @param string[] $lines |
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*/ |
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protected function loadItems(Menu $menu, array $lines): void |
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{ |
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foreach ($lines as $line) { |
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if (empty($line)) { |
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continue; |
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} |
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if (in_array($line[0], ['#', ';'])) { |
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continue; |
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} |
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$data = explode(Interfaces\IMenu::SEPARATOR, $line); |
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if (2 > count($data)) { |
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continue; |
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} |
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$item = clone $this->entry; |
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$item->setData( |
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$this->restoreNl(strval($data[0])), |
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$this->restoreNl(strval($data[2])), |
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$this->restoreNl(strval($data[3])), |
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intval($data[1]), |
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boolval(intval($data[4])) |
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); |
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$menu->addItem($item); |
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} |
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} |
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public function pack(Menu $menu): string |
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{ |
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$content = []; |
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$content[] = implode(Interfaces\IMenu::SEPARATOR, [ // header |
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$this->escapeNl($menu->getFile()), |
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$menu->getDisplayCount(), |
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$this->escapeNl($menu->getName()), |
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$this->escapeNl($menu->getTitle()), |
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'', |
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]); |
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$content[] = '#'; |
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foreach ($menu->getEntries() as $item) { // save all! Limit only on render |
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$content[] = implode(Interfaces\IMenu::SEPARATOR, [ |
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$this->escapeNl($item->getId()), |
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strval($item->getPosition()), |
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$this->escapeNl($item->getName()), |
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$this->escapeNl($item->getDesc()), |
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strval(intval($item->canGoSub())), |
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'', |
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]); |
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} |
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$content[] = ''; |
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return implode("\r\n", $content); |
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} |
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} |
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alex-kalanis /
kw_menu
