| | |
| | | */ |
| | | class rcube_string_replacer |
| | | { |
| | | public static $pattern = '/##str_replacement\[([0-9]+)\]##/'; |
| | | public static $pattern = '/##str_replacement\{([0-9]+)\}##/'; |
| | | public $mailto_pattern; |
| | | public $link_pattern; |
| | | |
| | | private $values = array(); |
| | | private $options = array(); |
| | | private $linkrefs = array(); |
| | | private $urls = array(); |
| | | |
| | | |
| | | function __construct($options = array()) |
| | |
| | | ."@$utf_domain" // domain-part |
| | | ."(\?[$url1$url2]+)?" // e.g. ?subject=test... |
| | | .")/"; |
| | | $this->linkref_index = '/\[([a-zA-Z0-9]+)\]:?\s*##str_replacement\{(\d+)\}##/'; |
| | | $this->linkref_pattern = '/\[([a-zA-Z0-9]+)\]/'; |
| | | |
| | | $this->options = $options; |
| | | } |
| | |
| | | */ |
| | | public function get_replacement($i) |
| | | { |
| | | return '##str_replacement['.$i.']##'; |
| | | return '##str_replacement{'.$i.'}##'; |
| | | } |
| | | |
| | | /** |
| | |
| | | $attrib['href'] = $url_prefix . $url; |
| | | |
| | | $i = $this->add(html::a($attrib, rcube::Q($url)) . $suffix); |
| | | $this->urls[$i] = $attrib['href']; |
| | | } |
| | | |
| | | // Return valid link for recognized schemes, otherwise |
| | | // return the unmodified string for unrecognized schemes. |
| | | return $i >= 0 ? $prefix . $this->get_replacement($i) : $matches[0]; |
| | | } |
| | | |
| | | /** |
| | | * Callback to add an entry to the link index |
| | | */ |
| | | public function linkref_addindex($matches) |
| | | { |
| | | $key = $matches[1]; |
| | | $this->linkrefs[$key] = $matches[2]; |
| | | |
| | | return $matches[0]; |
| | | } |
| | | |
| | | /** |
| | | * Callback to replace link references with real links |
| | | */ |
| | | public function linkref_callback($matches) |
| | | { |
| | | $i = 0; |
| | | $key = isset($this->linkrefs[$matches[1]]) ? $this->linkrefs[$matches[1]] : '-'; |
| | | if ($url = $this->urls[$key]) { |
| | | $attrib = (array)$this->options['link_attribs']; |
| | | $attrib['href'] = $url; |
| | | $i = $this->add(html::a($attrib, rcube::Q($matches[1]))); |
| | | } |
| | | |
| | | return $i > 0 ? '['.$this->get_replacement($i).']' : $matches[0]; |
| | | } |
| | | |
| | | /** |
| | |
| | | // search for patterns like links and e-mail addresses |
| | | $str = preg_replace_callback($this->link_pattern, array($this, 'link_callback'), $str); |
| | | $str = preg_replace_callback($this->mailto_pattern, array($this, 'mailto_callback'), $str); |
| | | // resolve link references |
| | | $str = preg_replace_callback($this->linkref_index, array($this, 'linkref_addindex'), $str); |
| | | $str = preg_replace_callback($this->linkref_pattern, array($this, 'linkref_callback'), $str); |
| | | |
| | | return $str; |
| | | } |