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libphutil/src/markup/engine/remarkup/blockrule/PhutilRemarkupTableBlockRule.php
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PhutilRemarkupTableBlockRule.php
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<?php
final class PhutilRemarkupTableBlockRule extends PhutilRemarkupBlockRule {
public function getMatchingLineCount(array $lines, $cursor) {
$num_lines = 0;
if (preg_match('/^<table>/i', $lines[$cursor])) {
$num_lines++;
$cursor++;
while (isset($lines[$cursor])) {
$num_lines++;
if (preg_match('@</table>$@i', $lines[$cursor])) {
break;
}
$cursor++;
}
}
return $num_lines;
}
public function markupText($text, $children) {
$matches = array();
if (!preg_match('@^<table>(.*)</table>$@si', $text, $matches)) {
return $this->fail(
$text,
'Bad table (expected <table>...</table>)');
}
$body = $matches[1];
$row_fragment = '(?:\s*<tr>(.*)</tr>\s*)';
$cell_fragment = '(?:\s*<(td|th)>(.*)</(?:td|th)>\s*)';
// Test that the body contains only valid rows.
if (!preg_match('@^'.$row_fragment.'+$@Usi', $body)) {
return $this->fail(
$body,
'Bad table syntax (expected rows <tr>...</tr>)');
}
// Capture the rows.
$row_regex = '@'.$row_fragment.'@Usi';
if (!preg_match_all($row_regex, $body, $matches, PREG_SET_ORDER)) {
throw new Exception(
'Bug in Remarkup tables, parsing fails for input: '.$text);
}
$out_rows = array();
$rows = $matches;
foreach ($rows as $row) {
$content = $row[1];
// Test that the row contains only valid cells.
if (!preg_match('@^'.$cell_fragment.'+$@Usi', $content)) {
return $this->fail(
$content,
'Bad table syntax (expected cells <td>...</td>)');
}
// Capture the cells.
$cell_regex = '@'.$cell_fragment.'@Usi';
if (!preg_match_all($cell_regex, $content, $matches, PREG_SET_ORDER)) {
throw new Exception(
'Bug in Remarkup tables, parsing fails for input: '.$text);
}
$out_cells = array();
foreach ($matches as $cell) {
$cell_type = $cell[1];
$cell_content = $cell[2];
$out_cells[] = array(
'type' => $cell_type,
'content' => $this->applyRules($cell_content),
);
}
$out_rows[] = array(
'type' => 'tr',
'content' => $out_cells,
);
}
return $this->renderRemarkupTable($out_rows);
}
private function fail($near, $message) {
$message = sprintf(
'%s near: %s',
$message,
id(new PhutilUTF8StringTruncator())
->setMaximumGlyphs(32000)
->truncateString($near));
if ($this->getEngine()->isTextMode()) {
return '('.$message.')';
}
return hsprintf('<div style="color: red;">%s</div>', $message);
}
}
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