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<?php
//
// +------------------------------------------------------------------------+
// | PEAR :: Image :: GIS :: E00 Parser |
// +------------------------------------------------------------------------+
// | Copyright (c) 2002-2005 Jan Kneschke <jan@kneschke.de> and |
// | Sebastian Bergmann <sb@sebastian-bergmann.de>. |
// +------------------------------------------------------------------------+
// | This source file is subject to version 3.00 of the PHP License, |
// | that is available at http://www.php.net/license/3_0.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +------------------------------------------------------------------------+
//
// $Id: E00.php 299207 2010-05-10 10:21:58Z clockwerx $
//
require_once 'Image/GIS/LineSet.php';
require_once 'Image/GIS/Parser.php';
/**
* E00 Parser.
*
* @author Jan Kneschke <jan@kneschke.de>
* @author Sebastian Bergmann <sb@sebastian-bergmann.de>
* @copyright Copyright © 2002-2005 Jan Kneschke <jan@kneschke.de> and Sebastian Bergmann <sb@sebastian-bergmann.de>
* @license http://www.php.net/license/3_0.txt The PHP License, Version 3.0
* @category Image
* @package Image_GIS
*/
class Image_GIS_Parser_E00 extends Image_GIS_Parser {
/**
* Constructor.
*
* @param boolean $cache
* @param boolean $debug
* @access public
*/
function Image_GIS_Parser_E00($cache, $debug) {
$this->Image_GIS_Parser($cache, $debug);
}
/**
* Parses a data file.
*
* @param string $dataFile
* @param mixed $color
* @return mixed
* @access public
*/
function parseFile($dataFile, $color) {
$lineSet = new Image_GIS_LineSet($color);
if ($fp = @fopen($dataFile, 'r')) {
$numRecords = 0;
$ln = 0;
while(0 || $line = fgets($fp, 1024)) {
$ln ++;
if ($numRecords == 0 &&
preg_match("#^\s+([0-9]+)\s+([-0-9]+)\s+([0-9]+)\s+([0-9]+)\s+([0-9]+)\s+([0-9]+)\s+([0-9]+)#", $line, $a)) {
$numRecords = $a[7];
$pl['x'] = -1;
$pl['y'] = -1;
}
else if ($numRecords &&
preg_match("#^([ -][0-9]\.[0-9]{7}E[-+][0-9]{2})([ -][0-9]\.[0-9]{7}E[-+][0-9]{2})([ -][0-9]\.[0-9]{7}E[-+][0-9]{2})([ -][0-9]\.[0-9]{7}E[-+][0-9]{2})#", $line, $a)) {
if ($this->debug) {
echo $a[0] . '<br />';
}
if ($pl['x'] != -1 &&
$pl['y'] != -1) {
$lineSet->addLine($pl['x'], $pl['y'], $a[1], $a[2]);
}
$numRecords--;
$lineSet->addLine($a[1], $a[2], $a[3], $a[4]);
$pl['x'] = $a[3];
$pl['y'] = $a[4];
$numRecords--;
}
else if ($numRecords &&
preg_match("#^([ -][0-9]\.[0-9]{7}E[-+][0-9]{2})([ -][0-9]\.[0-9]{7}E[-+][0-9]{2})#", $line, $a)) {
if ($pl['x'] != -1 &&
$pl['y'] != -1) {
$lineSet->addLine($pl['x'], $pl['y'], $a[1], $a[2]);
$pl['x'] = $a[1];
$pl['y'] = $a[2];
}
$numRecords--;
}
else if ($ln > 2) {
if ($this->debug) {
printf(
'Died at: %s<br />',
$ln
);
}
break;
}
else if ($this->debug) {
echo $line . '<br />';
}
}
@fclose($fp);
return $lineSet;
}
return false;
}
}
?>
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