class PARSEPAGE in Bibliography Module 5

Hierarchy

• class \PARSEPAGE

File

bibtexParse/PARSEPAGE.php, line 16

class PARSEPAGE {

  // Constructor
  function PARSEPAGE() {
  }

  // Create page arrays from bibtex input.
  // 'pages' field can be:
  //  "77--99"
  //  "3 - 5"
  //  "ix -- 101"
  //  "73+"
  //  73, 89,103"
  // Currently, PARSEPAGE will take 1/, 2/ and 3/ above as page_start and page_end and, in the other cases, will accept
  // the first valid number it finds from the left as page_start setting page_end to NULL
  function init($item) {
    $item = trim($item);
    if ($this
      ->type1($item)) {
      return $this->return;
    }

    // else, return first number we can find
    if (preg_match("/(\\d+|[ivx]+)/i", $item, $array)) {
      return array(
        $array[1],
        FALSE,
      );
    }

    // No valid page numbers found
    return array(
      FALSE,
      FALSE,
    );
  }

  // "77--99" or '-'type?
  function type1($item) {
    $start = $end = FALSE;
    $array = preg_split("/--|-/", $item);
    if (sizeof($array) > 1) {
      if (is_numeric(trim($array[0]))) {
        $start = trim($array[0]);
      }
      else {
        $start = strtolower(trim($array[0]));
      }
      if (is_numeric(trim($array[1]))) {
        $end = trim($array[1]);
      }
      else {
        $end = strtolower(trim($array[1]));
      }
      if ($end && !$start) {
        $this->return = array(
          $end,
          $start,
        );
      }
      else {
        $this->return = array(
          $start,
          $end,
        );
      }
      return TRUE;
    }
    return FALSE;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
PARSEPAGE::init		function
PARSEPAGE::PARSEPAGE		function
PARSEPAGE::type1		function