/**
* Process ATX-style headers
*
* @param array $matches The results from the `transform()` function
* @return string
*/
protected function _atx_callback($matches)
{
$level = strlen($matches[1]) + $this->_getRebasedHeaderLevel();
$domid = !empty($matches[3]) ? $matches[3] : Helper::header2Label($matches[2]);
$domid = Kernel::get('DomId')->set($domid);
$title = Lexer::runGamut('span_gamut', $matches[2]);
Kernel::addConfig('menu', array('level' => $level, 'text' => parent::unhash($title)), $domid);
$block = Kernel::get('OutputFormatBag')->buildTag('title', $title, array('level' => $level, 'id' => $domid));
$this->_setContentTitle($title);
return "\n" . parent::hashBlock($block) . "\n\n";
}
/**
* Form HTML tables: parses table contents
*
* @param array $matches
* @return string
*/
protected function _callback($matches)
{
$attributes = array();
//self::doDebug($matches);
// The head string may have a begin slash
$caption = count($matches) > 3 ? $matches[1] : null;
$head = count($matches) > 3 ? preg_replace('/^ *[|]/m', '', $matches[2]) : preg_replace('/^ *[|]/m', '', $matches[1]);
$underline = count($matches) > 3 ? $matches[3] : $matches[2];
$content = count($matches) > 3 ? preg_replace('/^ *[|]/m', '', $matches[4]) : preg_replace('/^ *[|]/m', '', $matches[3]);
// Remove any tailing pipes for each line.
$underline = preg_replace('/[|] *$/m', '', $underline);
$content = preg_replace('/[|] *$/m', '', $content);
// Reading alignement from header underline.
$separators = preg_split('/ *[|] */', $underline);
foreach ($separators as $n => $s) {
$attributes[$n] = array();
if (preg_match('/^ *-+: *$/', $s)) {
$attributes[$n]['style'] = 'text-align:right;';
} elseif (preg_match('/^ *:-+: *$/', $s)) {
$attributes[$n]['style'] = 'text-align:center;';
} elseif (preg_match('/^ *:-+ *$/', $s)) {
$attributes[$n]['style'] = 'text-align:left;';
}
}
// Split content by row.
$headers = explode("\n", trim($head, "\n"));
$text = '';
if (!empty($caption)) {
$this->table_id = Helper::header2Label($caption);
$text .= preg_replace_callback('/\\[(.*)\\]/', array($this, '_doCaption'), Lexer::runGamut('span_gamut', $caption));
}
$lines = '';
foreach ($headers as $_header) {
$line = '';
// Parsing span elements, including code spans, character escapes,
// and inline HTML tags, so that pipes inside those gets ignored.
$_header = Lexer::runGamut('filter:Span', $_header);
// Split row by cell.
$_header = preg_replace('/[|] *$/m', '', $_header);
$_headers = preg_split('/[|]/', $_header);
$col_count = count($_headers);
// Write column headers.
// we first loop for colspans
$headspans = array();
foreach ($_headers as $_i => $_cell) {
if ($_cell == '') {
if ($_i == 0) {
$headspans[1] = 2;
} else {
if (isset($headspans[$_i - 1])) {
$headspans[$_i - 1]++;
} else {
$headspans[$_i - 1] = 2;
}
}
}
}
foreach ($_headers as $n => $__header) {
if ($__header != '') {
$cell_attributes = $attributes[$n];
if (isset($headspans[$n])) {
$cell_attributes['colspan'] = $headspans[$n];
}
$line .= Kernel::get('OutputFormatBag')->buildTag('table_cell_head', Lexer::runGamut('span_gamut', trim($__header)), $cell_attributes) . "\n";
}
}
$lines .= Kernel::get('OutputFormatBag')->buildTag('table_line', $line) . "\n";
}
$text .= Kernel::get('OutputFormatBag')->buildTag('table_header', $lines);
// Split content by row.
$rows = explode("\n", trim($content, "\n"));
$lines = '';
foreach ($rows as $row) {
$line = '';
// Parsing span elements, including code spans, character escapes,
// and inline HTML tags, so that pipes inside those gets ignored.
$row = Lexer::runGamut('filter:Span', $row);
// Split row by cell.
$row_cells = preg_split('/ *[|] */', $row, $col_count);
$row_cells = array_pad($row_cells, $col_count, '');
// we first loop for colspans
$colspans = array();
foreach ($row_cells as $_i => $_cell) {
if ($_cell == '') {
if ($_i == 0) {
$colspans[1] = 2;
} else {
if (isset($colspans[$_i - 1])) {
$colspans[$_i - 1]++;
} else {
$colspans[$_i - 1] = 2;
}
}
}
}
foreach ($row_cells as $n => $cell) {
if ($cell != '') {
$cell_attributes = $attributes[$n];
if (isset($colspans[$n])) {
$cell_attributes['colspan'] = $colspans[$n];
}
$line .= Kernel::get('OutputFormatBag')->buildTag('table_cell', Lexer::runGamut('span_gamut', trim($cell)), $cell_attributes) . "\n";
}
}
$lines .= Kernel::get('OutputFormatBag')->buildTag('table_line', $line) . "\n";
}
$text .= Kernel::get('OutputFormatBag')->buildTag('table_body', $lines);
$table = Kernel::get('OutputFormatBag')->buildTag('table', $text);
return parent::hashBlock($table) . "\n";
}
/**
* @param array $matches A set of results of the `transform` function
* @return string
*/
protected function _reference_callback($matches)
{
$whole_match = $matches[1];
$alt_text = $matches[2];
$link_id = strtolower($matches[3]);
if ($link_id == "") {
$link_id = strtolower($alt_text);
// for shortcut links like ![this][].
}
$urls = Kernel::getConfig('urls');
$titles = Kernel::getConfig('titles');
$predef_attributes = Kernel::getConfig('attributes');
$alt_text = Lexer::runGamut(GamutLoader::TOOL_ALIAS . ':EncodeAttribute', $alt_text);
if (isset($urls[$link_id])) {
$attributes = array();
$attributes['alt'] = $alt_text;
$attributes['id'] = Helper::header2Label($link_id);
$attributes['src'] = Lexer::runGamut(GamutLoader::TOOL_ALIAS . ':EncodeAttribute', $urls[$link_id]);
if (!empty($titles[$link_id])) {
$attributes['title'] = Lexer::runGamut(GamutLoader::TOOL_ALIAS . ':EncodeAttribute', $titles[$link_id]);
}
if (!empty($predef_attributes[$link_id])) {
$attributes = array_merge(Lexer::runGamut(GamutLoader::TOOL_ALIAS . ':ExtractAttributes', $predef_attributes[$link_id]), $attributes);
}
$block = Kernel::get('OutputFormatBag')->buildTag('image', null, $attributes);
$result = parent::hashPart($block);
} else {
// If there's no such link ID, leave intact
$result = $whole_match;
}
return $result;
}
/**
* Writes a content in a local path and returns written length
*
* @param string $path
* @param \MarkdownExtended\API\ContentInterface $content
*
* @return int
*/
protected function writeOutputFile($path, ContentInterface $content)
{
// construct output file name
$name = $content->getMetadata('file_name');
$path = Helper::fillPlaceholders($path, !empty($name) ? pathinfo($name, PATHINFO_FILENAME) : Helper::header2Label($content->getTitle()));
// make a backup if `option[force]!==true`
$backup = (bool) $this->getKernel()->getConfig('force') !== true;
// write output
Helper::writeFile($path, (string) $content, $backup);
// return created path
return $path;
}
