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

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src/infrastructure/markup/blockrule/PhutilRemarkupLiteralBlockRule.php

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				<?php

				final class PhutilRemarkupLiteralBlockRule extends PhutilRemarkupBlockRule {

				public function getPriority() {
				return 450;
				}

				public function getMatchingLineCount(array $lines, $cursor) {
				// NOTE: We're consuming all continguous blocks of %%% literals, so this:
				//
				// %%%a%%%
				// %%%b%%%
				//
				// ...is equivalent to:
				//
				// %%%a
				// b%%%
				//
				// If they are separated by a blank newline, they are parsed as two
				// different blocks. This more clearly represents the original text in the
				// output text and assists automated escaping of blocks coming into the
				// system.

				$num_lines = 0;
				while (preg_match('/^\s*%%%/', $lines[$cursor])) {
				$num_lines++;

				// If the line has ONLY "%%%", the block opener doesn't get to double
				// up as a block terminator.
				if (preg_match('/^\s%%%\s\z/', $lines[$cursor])) {
				$num_lines++;
				$cursor++;
				}

				while (isset($lines[$cursor])) {
				if (!preg_match('/%%%\s*$/', $lines[$cursor])) {
				$num_lines++;
				$cursor++;
				continue;
				}
				break;
				}

				$cursor++;

				$found_empty = false;
				while (isset($lines[$cursor])) {
				if (!strlen(trim($lines[$cursor]))) {
				$num_lines++;
				$cursor++;
				$found_empty = true;
				continue;
				}
				break;
				}

				if ($found_empty) {
				// If there's an empty line after the block, stop merging blocks.
				break;
				}

				if (!isset($lines[$cursor])) {
				// If we're at the end of the input, stop looking for more lines.
				break;
				}
				}

				return $num_lines;
				}

				public function markupText($text, $children) {
				$text = rtrim($text);
				$text = phutil_split_lines($text, $retain_endings = true);
				foreach ($text as $key => $line) {
				$line = preg_replace('/^\s*%%%/', '', $line);
				$line = preg_replace('/%%%(\s*)\z/', '\1', $line);
				$text[$key] = $line;
				}

				if ($this->getEngine()->isTextMode()) {
				return implode('', $text);
				}

				return phutil_tag(
				'p',
				array(
				'class' => 'remarkup-literal',
				),
				phutil_implode_html(phutil_tag('br', array()), $text));
				}

				}