PhabricatorRemarkupRuleObjectHandle.php
121ec67d0d08master

PhabricatorRemarkupRuleObjectHandle.php
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			<?php

			/**
			* @group markup
			*/
			abstract class PhabricatorRemarkupRuleObjectHandle
			extends PhutilRemarkupRule {

			const KEY_RULE_HANDLE = 'rule.handle';

			abstract protected function getObjectNamePrefix();
			abstract protected function loadObjectPHID($id);

			public function apply($text) {
			$prefix = $this->getObjectNamePrefix();
			return preg_replace_callback(
			"@\B{{$prefix}(\d+)}\B@",
			array($this, 'markupObjectHandle'),
			$text);
			}

			protected function markupObjectHandle($matches) {
			// TODO: These are single gets but should be okay for now, they're behind
			// the cache.
			$phid = $this->loadObjectPHID($matches[1]);
			if (!$phid) {
			return $matches[0];
			}

			$engine = $this->getEngine();
			$token = $engine->storeText('');

			$metadata_key = self::KEY_RULE_HANDLE;
			$metadata = $engine->getTextMetadata($metadata_key, array());
			if (empty($metadata[$phid])) {
			$metadata[$phid] = array();
			}
			$metadata[$phid][] = $token;
			$engine->setTextMetadata($metadata_key, $metadata);

			return $token;
			}

			public function didMarkupText() {
			$engine = $this->getEngine();

			$metadata_key = self::KEY_RULE_HANDLE;
			$metadata = $engine->getTextMetadata($metadata_key, array());
			if (empty($metadata)) {
			return;
			}

			$handles = id(new PhabricatorObjectHandleData(array_keys($metadata)))
			->loadHandles();

			foreach ($metadata as $phid => $tokens) {
			$link = $handles[$phid]->renderLink();
			foreach ($tokens as $token) {
			$engine->overwriteStoredText($token, $link);
			}
			}

			$engine->setTextMetadata($metadata_key, array());
			}

			}