AbstractResourceReader::readHeader()

Completed

Push — master ( 7a5cb9...59abba )

by Hannes

created 2016-06-22 18:43 UTC

↳ Parent: AbstractResourceReader

Size

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Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	1

Metric	Value
c	1
b	0
f	1
dl	0
loc	1
ccs	0
cts	0
cp	0
nc	1

<?php

/*
 * This file is part of the Runalyze DEM Reader.
 *
 * (c) RUNALYZE <[email protected]>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

namespace Runalyze\DEM\Provider;

use Runalyze\DEM\Exception\RuntimeException;

abstract class AbstractResourceReader implements ResourceReaderInterface
{
    /** @var resource|bool */
    protected $FileResource = false;

    /**
     * @param resource|bool $resource
     */
    public function __construct($resource = false)
    {
        if (false !== $resource) {
            $this->setResource($resource);
        }
    }

    public function __destruct()
    {
        $this->closeResource();
    }

    /**
     * @param  resource         $resource
     * @throws RuntimeException
     */
    public function setResource($resource)
    {
        $this->closeResource();

        $this->FileResource = $resource;

        if (false === $this->FileResource) {
            throw new RuntimeException('Provided resource is invalid.');
        }
    }

    protected function closeResource()
    {
        if (is_resource($this->FileResource)) {
            fclose($this->FileResource);
        }
    }

    abstract public function readHeader();

    /**
     * @param  int      $row
     * @param  int      $col
     * @return int|bool elevation [m] can be false if nothing retrieved or value is unknown
     */
    abstract public function getElevationFor($row, $col);
}


1		<?php
2
3		/*
4		* This file is part of the Runalyze DEM Reader.
5		*
6		* (c) RUNALYZE <[email protected]>
7		*
8		* This source file is subject to the MIT license that is bundled
9		* with this source code in the file LICENSE.
10		*/
11
12		namespace Runalyze\DEM\Provider;
13
14		use Runalyze\DEM\Exception\RuntimeException;
15
16		abstract class AbstractResourceReader implements ResourceReaderInterface
17		{
18		/** @var resource\|bool */
19		protected $FileResource = false;
20
21		/**
22		* @param resource\|bool $resource
23		*/
24	16	public function __construct($resource = false)
25		{
26	16	if (false !== $resource) {
27	1	$this->setResource($resource);
28	1	}
29	16	}
30
31	3	public function __destruct()
32		{
33	3	$this->closeResource();
34	3	}
35
36		/**
37		* @param resource $resource
38		* @throws RuntimeException
39		*/
40	9	public function setResource($resource)
41		{
42	9	$this->closeResource();
43
44	9	$this->FileResource = $resource;
45
46	9	if (false === $this->FileResource) {
47	1	throw new RuntimeException('Provided resource is invalid.');
48		}
49	8	}
50
51	10	protected function closeResource()
52		{
53	10	if (is_resource($this->FileResource)) {
54	1	fclose($this->FileResource);
55	1	}
56	10	}
57
58		abstract public function readHeader();
59
60		/**
61		* @param int $row
62		* @param int $col
63		* @return int\|bool elevation [m] can be false if nothing retrieved or value is unknown
64		*/
65		abstract public function getElevationFor($row, $col);
66		}
67

Runalyze / dem-reader

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AbstractResourceReader::readHeader()

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