ShapeFile\Util

Complexity

Total Complexity

9

Size/Duplication

Total Lines	35
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	0

Importance

Changes	1
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	loadData()	0	5	2
A	swap()	0	8	2
B	packDouble()	0	18	5

<?php
/**
 * BytesFall ShapeFiles library
 *
 * The library implements the 2D variants of the ShapeFile format as defined in
 * http://www.esri.com/library/whitepapers/pdfs/shapefile.pdf.
 * The library currently supports reading and editing of ShapeFiles and the
 * Associated information (DBF file).
 *
 * @package bfShapeFiles
 * @version 0.0.2
 * @link http://bfshapefiles.sourceforge.net/
 * @license http://www.gnu.org/licenses/gpl-2.0.html GPLv2-or-later
 *
 * Copyright 2006-2007 Ovidio <ovidio AT users.sourceforge.net>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, you can download one from
 * http://www.gnu.org/copyleft/gpl.html.
 *
 */
namespace ShapeFile;

class Util {
  public static function loadData($type, $data) {
    if (!$data) return $data;
    $tmp = unpack($type, $data);
    return current($tmp);
  }

  public static function swap($binValue) {
    $result = $binValue{strlen($binValue) - 1};
    for($i = strlen($binValue) - 2; $i >= 0 ; $i--) {
      $result .= $binValue{$i};
    }

    return $result;
  }

  public static function packDouble($value, $mode = 'LE') {
    $value = (double)$value;
    $bin = pack("d", $value);

    //We test if the conversion of an integer (1) is done as LE or BE by default
    switch (pack ('L', 1)) {
      case pack ('V', 1): //Little Endian
        $result = ($mode == 'LE') ? $bin : self::swap($bin);
      break;
      case pack ('N', 1): //Big Endian
        $result = ($mode == 'BE') ? $bin : self::swap($bin);
      break;
      default: //Some other thing, we just return false
        $result = FALSE;
    }

    return $result;
  }
}