Differential D20774 Diff 49536 src/infrastructure/markup/blockrule/PhutilRemarkupInterpreterBlockRule.php

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src/infrastructure/markup/blockrule/PhutilRemarkupInterpreterBlockRule.php

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				<?php

				final class PhutilRemarkupInterpreterBlockRule extends PhutilRemarkupBlockRule {

				const START_BLOCK_PATTERN = '/^([\w]+)\s(?:$([^)]+)$\s)?{{{/';
				const END_BLOCK_PATTERN = '/}}}\s*$/';

				public function getMatchingLineCount(array $lines, $cursor) {
				$num_lines = 0;

				if (preg_match(self::START_BLOCK_PATTERN, $lines[$cursor])) {
				$num_lines++;

				while (isset($lines[$cursor])) {
				if (preg_match(self::END_BLOCK_PATTERN, $lines[$cursor])) {
				break;
				}
				$num_lines++;
				$cursor++;
				}
				}

				return $num_lines;
				}

				public function markupText($text, $children) {
				$lines = explode("\n", $text);
				$first_key = head_key($lines);
				$last_key = last_key($lines);
				while (trim($lines[$last_key]) === '') {
				unset($lines[$last_key]);
				$last_key = last_key($lines);
				}
				$matches = null;

				preg_match(self::START_BLOCK_PATTERN, head($lines), $matches);

				$argv = array();
				if (isset($matches[2])) {
				$argv = id(new PhutilSimpleOptions())->parse($matches[2]);
				}

				$interpreters = id(new PhutilClassMapQuery())
				->setAncestorClass('PhutilRemarkupBlockInterpreter')
				->execute();

				foreach ($interpreters as $interpreter) {
				$interpreter->setEngine($this->getEngine());
				}

				$lines[$first_key] = preg_replace(
				self::START_BLOCK_PATTERN,
				'',
				$lines[$first_key]);
				$lines[$last_key] = preg_replace(
				self::END_BLOCK_PATTERN,
				'',
				$lines[$last_key]);

				if (trim($lines[$first_key]) === '') {
				unset($lines[$first_key]);
				}
				if (trim($lines[$last_key]) === '') {
				unset($lines[$last_key]);
				}

				$content = implode("\n", $lines);

				$interpreters = mpull($interpreters, null, 'getInterpreterName');

				if (isset($interpreters[$matches[1]])) {
				return $interpreters[$matches[1]]->markupContent($content, $argv);
				}

				$message = pht('No interpreter found: %s', $matches[1]);

				if ($this->getEngine()->isTextMode()) {
				return '('.$message.')';
				}

				return phutil_tag(
				'div',
				array(
				'class' => 'remarkup-interpreter-error',
				),
				$message);
				}

				}