token = '~%'.uniqid().'%~';
}
function register(Doku_Event_Handler $controller) {
$controller->register_hook(
'DOKUWIKI_STARTED',
'AFTER',
$this,
'js_conf'
);
$controller->register_hook(
'PARSER_WIKITEXT_PREPROCESS',
'BEFORE',
$this,
'transform'
);
}
// Pass configuration to JS
function js_conf(&$event, $param) {
global $JSINFO;
$JSINFO['plugin_mobiletable_hideHeadings'] = array_map(
'trim',
explode(',', $this->getConf('hideHeadings'))
);
}
// Find all tables to rewrite.
function transform(&$event, $param) {
// Find all tables marked with "!".
$event->data = preg_replace_callback(
'/^!(\^.+)\r?\n((?:^[\|\^].+\r?\n)+)/m',
[$this, 'wrap_table'],
$event->data
);
}
// Wrap a table in syntax.
private function wrap_table($m) {
list($schema, $i) = $this->schema($m[1]);
return " -1 ? " ".($i + 1) : "").">\n"
.str_replace('^!', '^', $m[1])."\n".$m[2]
."\n\n";
}
// Rearrange tables
private function rearrange($m) {
list($schema, $i) = $this->schema($m[1]);
$table = $this->table($schema, $i, $m[2]);
// Put everything together.
return "\n"
.$table
."\n\n\n"
.str_replace('^!', '^', $m[1])."\n".$m[2]
."\n\n";
}
// Extract the table schema.
private function schema($row) {
$row = $this->mask($row);
$schema = [];
$index = -1;
$last = '';
foreach (explode('^', substr(trim($row), 1, -1)) as $th) {
// Check for the index column
if (substr($th, 0, 1) == '!') {
$index = count($schema);
$th = substr($th, 1);
}
// If non-empty, add to the schema, else take the previous item.
$schema[] = $last = trim($th) ?: $last;
}
return [$schema, $index];
}
// Build the mobile table.
private function table($schema, $index, $body) {
$body = $this->mask($body);
$table = '';
$length = count($schema);
foreach (explode("\n", $body) as $line) {
if (substr_count($line, '^') == $length + 1) {
// A random header row appeared!
$table .= '^'.str_replace('^', '', $line)."^^\n";
continue;
}
// A row with only connected cells.
if (preg_match('/^\|[\|\s:]*?([^\|]*)[\|\s:]*\|$/', $line, $text)) {
$table .= "|{$text[1]}||\n";
continue;
}
$row = preg_split('/\||\^/', substr($line, 1, -1));
// An actual row.
if ($index > -1 && isset($row[$index])) {
$table .= '^'.$row[$index]."^^\n";
}
for ($i = 0; $i < $length; $i++) {
if ($i != $index) {
$row[$i] = $row[$i] === '' ? ':::' : $row[$i];
$table .= "|{$schema[$i]}|{$row[$i]}|\n";
}
}
}
return $this->unmask($table);
}
// Mask "|" characters in images and links.
private function mask($str) {
$str = str_replace("\r", '', trim($str, "\n"));
// Remove anchors.
$str = preg_replace('/\{\{#:.*?\}\}/', '', $str);
// Remove footnotes.
$str = preg_replace('/\(\(.*?\)\)/', '', $str);
$mask = '$1'.$this->token.'$2';
// images
$str = preg_replace('/(\{\{[^\}]+)\|([^\|\}]*?\}\})/', $mask, $str);
// links
$str = preg_replace('/(\[\[[^\]]+)\|([^\|\]]*?\]\])/', $mask, $str);
return $str;
}
// Unmask "|" characters.
private function unmask($str) {
return str_replace($this->token, '|', $str);
}
}