/**
*
*/
private function initializePatterns()
{
if (refnotes_configuration::getSetting('replace-footnotes')) {
$entry = '(?:\\(\\(|\\[\\()';
$exit = '(?:\\)\\)|\\)\\])';
$id = '@@FNT\\d+|#\\d+';
} else {
$entry = '\\[\\(';
$exit = '\\)\\]';
$id = '#\\d+';
}
$strictName = refnotes_note::getNamePattern('strict');
$extendedName = refnotes_note::getNamePattern('extended');
$namespace = refnotes_namespace::getNamePattern('optional');
$text = '.*?';
$strictName = '(?:' . $id . '|' . $strictName . ')';
$fullName = '\\s*(?:' . $namespace . $strictName . '|:' . $namespace . $extendedName . ')\\s*';
$lookaheadExit = '(?=' . $exit . ')';
$nameEntry = $fullName . $lookaheadExit;
$extendedName = '(?:' . $id . '|' . $extendedName . ')';
$optionalFullName = $namespace . $extendedName . '?';
$structuredEntry = '\\s*' . $optionalFullName . '\\s*>>' . $text . $lookaheadExit;
$define = '\\s*' . $optionalFullName . '\\s*>\\s*';
$optionalDefine = '(?:' . $define . ')?';
$lookaheadExit = '(?=' . $text . $exit . ')';
$defineEntry = $optionalDefine . $lookaheadExit;
$this->entryPattern = $entry . '(?:' . $nameEntry . '|' . $structuredEntry . '|' . $defineEntry . ')';
$this->exitPattern = $exit;
$this->handlePattern = '/' . $entry . '\\s*(' . $optionalFullName . ')\\s*(?:>>(.*))?(.*)/s';
}
/**
*
*/
public static function getNamePattern($type)
{
if ($type == 'full-extended' || $type == 'extended') {
$result = $type == 'full-extended' ? refnotes_namespace::getNamePattern('optional') : '';
$result .= '[[:alpha:]][\\w.&\\(\\)\\[\\]{}+-]*';
} else {
$result = '[[:alpha:]]\\w*';
}
return $result;
}
/**
*
*/
private function parseAttributes($syntax)
{
$propertyMatch = array('ns' => '/^' . refnotes_namespace::getNamePattern('required') . '$/', 'limit' => '/^\\/?\\d+$/');
$attribute = array();
$token = preg_split('/\\s+/', $syntax, -1, PREG_SPLIT_NO_EMPTY);
foreach ($token as $t) {
foreach ($propertyMatch as $name => $pattern) {
if (preg_match($pattern, $t) == 1) {
$attribute[$name][] = $t;
break;
}
}
}
if (array_key_exists('ns', $attribute)) {
/* Ensure that namespaces are in canonic form */
$attribute['ns'] = array_map('refnotes_namespace::canonizeName', $attribute['ns']);
if (count($attribute['ns']) > 1) {
$attribute['map'] = array_slice($attribute['ns'], 1);
}
$attribute['ns'] = $attribute['ns'][0];
} else {
$attribute['ns'] = ':';
}
if (array_key_exists('limit', $attribute)) {
$attribute['limit'] = end($attribute['limit']);
}
return $attribute;
}
