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PhutilRemarkupLiteralBlockRule.php
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Created
Sat, Jun 7, 12:38

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));
}
}

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