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PhutilRemarkupQuotesBlockRule.php
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Created
Tue, Dec 3, 19:53

PhutilRemarkupQuotesBlockRule.php
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<?php
final class PhutilRemarkupQuotesBlockRule extends PhutilRemarkupBlockRule {
public function getMatchingLineCount(array $lines, $cursor) {
$pos = $cursor;
if (preg_match('/^>/', $lines[$pos])) {
do {
++$pos;
} while (isset($lines[$pos]) && preg_match('/^>/', $lines[$pos]));
}
return ($pos - $cursor);
}
public function supportsChildBlocks() {
return true;
}
public function extractChildText($text) {
$text = phutil_split_lines($text, true);
foreach ($text as $key => $line) {
$text[$key] = substr($line, 1);
}
// If every line in the block is empty or begins with at least one leading
// space, strip the initial space off each line. When we quote text, we
// normally add "> " (with a space) to the beginning of each line, which
// can disrupt some other rules. If the block appears to have this space
// in front of each line, remove it.
$strip_space = true;
foreach ($text as $key => $line) {
$len = strlen($line);
if (!$len) {
// We'll still strip spaces if there are some completely empty
// lines, they may have just had trailing whitespace trimmed.
continue;
}
if ($line[0] == ' ' || $line[0] == "\n") {
continue;
}
// The first character of this line is something other than a space, so
// we can't strip spaces.
$strip_space = false;
break;
}
if ($strip_space) {
foreach ($text as $key => $line) {
$len = strlen($line);
if (!$len) {
continue;
}
if ($line[0] !== ' ') {
continue;
}
$text[$key] = substr($line, 1);
}
}
return array('', implode('', $text));
}
public function markupText($text, $children) {
if ($this->getEngine()->isTextMode()) {
$lines = rtrim($children, "\n");
$lines = phutil_split_lines($lines);
foreach ($lines as $key => $line) {
if (isset($line[0]) && ($line[0] == '>')) {
$line = '>'.$line;
} else {
$line = '> '.$line;
}
$lines[$key] = $line;
}
return implode('', $lines);
}
$attributes = array();
if ($this->getEngine()->isHTMLMailMode()) {
$style = array(
'border-left: 3px solid #a7b5bf;',
'color: #464c5c;',
'font-style: italic;',
'margin: 4px 0 12px 0;',
'padding: 4px 12px;',
'background-color: #f8f9fc;',
);
$attributes['style'] = implode(' ', $style);
}
return phutil_tag(
'blockquote',
$attributes,
$children);
}
}

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