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<?php |
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|
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namespace Extendify\Agent; |
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|
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defined('ABSPATH') || die('No direct access.'); |
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|
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// Resolves a block inside a template-part by the same preorder numbering |
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// TagTemplateParts assigns at render time, so a client blockId (read off a |
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// data-extendify-part-block-id attribute) maps back to the parsed block. |
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// Shared by SaveController (write) and WPController::getBlockCode (read) so the |
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// two halves can never resolve a different block for the same id. |
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class TemplatePartBlockFinder |
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{ |
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// Preorder walk matching TagTemplateParts numbering: nested |
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// core/template-part blocks open a separate seq space (skipped), and the |
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// shared $ignored dynamic blocks (mini-cart, loops, …) count as one leaf |
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// each but are not descended into — the tagger skips their rendered subtree. |
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// |
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// Ref-based navigation blocks (`core/navigation` with a `ref` attr) resolve |
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// their items at render time from a separate wp_navigation post. |
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// TagTemplateParts fires for those rendered items inside the outer |
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// template-part's frame, so each one increments the outer seq. parse_blocks |
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// of the post we're walking only sees the navigation block (empty |
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// innerBlocks for refs), so a naïve walk would under-count. Resolve the nav |
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// ref here and add its block count to the running counter so blockIds |
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// *after* the navigation (e.g. social-link in a sibling social-links block) |
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// still line up. |
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public static function find( |
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array $blocks, |
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int $targetId, |
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int &$maxCounter = 0, |
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array &$visited = [] |
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) { |
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$counter = 0; |
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$found = null; |
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|
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$walk = function (array &$list, array $pathSoFar) |
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use (&$walk, &$counter, &$found, $targetId, &$visited) { |
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foreach ($list as $i => &$block) { |
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if ($found !== null) { |
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return; |
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} |
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$name = $block['blockName'] ?? ''; |
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if ($name === '') { |
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if (!empty($block['innerBlocks'])) { |
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$walk($block['innerBlocks'], array_merge($pathSoFar, [$i, 'innerBlocks'])); |
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} |
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continue; |
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} |
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if ($name === 'core/template-part') { |
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continue; |
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} |
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$counter++; |
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$visited[] = ['c' => $counter, 'n' => $name]; |
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if ($counter === $targetId) { |
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$found = ['block' => $block, 'path' => array_merge($pathSoFar, [$i])]; |
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return; |
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} |
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// Dynamic self-rendering blocks (loops, woocommerce/mini-cart, …) |
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// count as one leaf but are not descended into: TagTemplateParts |
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// skips their render-injected subtree, so descending here would |
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// drift every later id. Shares the one $ignored list. |
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if (in_array($name, TagTemplateParts::$ignored, true)) { |
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continue; |
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} |
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if ($name === 'core/navigation' && !empty($block['attrs']['ref'])) { |
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$navPost = get_post((int) $block['attrs']['ref']); |
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if ($navPost) { |
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$navBlocks = parse_blocks($navPost->post_content); |
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$before = $counter; |
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self::countBlocksPreorder($navBlocks, $counter); |
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for ($j = $before + 1; $j <= $counter; $j++) { |
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$visited[] = ['c' => $j, 'n' => '(nav-ref-item)']; |
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} |
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} |
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// Ref navs have no innerBlocks in the parsed tree — items |
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// live in the wp_navigation post and can't be replaced from |
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// here anyway (WPNavigationController owns that). |
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continue; |
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} |
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if (!empty($block['innerBlocks'])) { |
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$walk($block['innerBlocks'], array_merge($pathSoFar, [$i, 'innerBlocks'])); |
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} |
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} |
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unset($block); |
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}; |
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$walk($blocks, []); |
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$maxCounter = $counter; |
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|
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return $found; |
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} |
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|
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private static function countBlocksPreorder(array $blocks, int &$counter) |
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{ |
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foreach ($blocks as $block) { |
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$name = $block['blockName'] ?? ''; |
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if ($name === '') { |
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if (!empty($block['innerBlocks'])) { |
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self::countBlocksPreorder($block['innerBlocks'], $counter); |
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} |
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continue; |
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} |
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if ($name === 'core/template-part') { |
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continue; |
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} |
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$counter++; |
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if (in_array($name, TagTemplateParts::$ignored, true)) { |
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continue; |
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} |
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if (!empty($block['innerBlocks'])) { |
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self::countBlocksPreorder($block['innerBlocks'], $counter); |
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} |
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} |
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} |
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} |
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|
