Input::dieOnDenyUserConfirm() - Code Metrics - Inspection of "Optimize file saving and add console commands" - Saibamen/Generate-Sort-Numbers - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#6)

by Adam

created 2017-10-16 22:16 UTC

Input::dieOnDenyUserConfirm() A

↳ Parent: Input

Complexity

Conditions	2
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	2
eloc	2
c	1
b	0
f	0
nc	1
nop	0
dl	0
loc	4
rs	10

<?php
/**
 * Includes/Input.php.
 *
 * @author  Adam "Saibamen" Stachowicz <[email protected]>
 * @license MIT
 *
 * @link    https://github.com/Saibamen/Generate-Sort-Numbers
 */

namespace Includes;

require_once 'Text.php';

/**
 * Functions for receiving input from User.
 */
class Input
{
    /**
     * Get file size from User.
     *
     * @param string $message Message for User what he must type
     * @param string $default Default file size for empty input. Default is '1MB'
     *
     * @return int|string Inserted file size in bytes
     *
     * @see Input::getBytesFromString()
     */
    public static function getFileSize($message, $default = '1MB')
    {
        echo $message.' [Default: '.$default.']: ';

        do {
            $input = trim(fgets(/** @scrutinizer ignore-type */ STDIN));

            $isDefault = false;

            if (is_null($input) || empty($input)) {
                Text::debug('Using default input: '.$default);
                $isDefault = true;
                break;
            }

            $checkInput = self::getBytesFromString($input);

            if (!$checkInput['error']) {
                $input = $checkInput['bytes'];
                break;
            }

            echo 'Please input valid file size: ';
        } while (1);

        if ($isDefault) {
            // Check $default just for sure
            $checkDefault = self::getBytesFromString($default);

            // 1 MB in bytes
            $input = 1048576;

            if (!$checkDefault['error']) {
                $input = $checkDefault['bytes'];
            }
        }

        return $input;
    }

    /**
     * Get valid filename from User.
     *
     * @param string $message Message for User what he must type
     * @param string $default Default filename for empty input. Default is 'output'
     *
     * @return string Inserted filename
     *
     * @see Input::isFilenameWrong()
     */
    public static function getFilename($message, $default = 'output')
    {
        echo $message.' [Default: '.$default.']: ';

        do {
            $input = trim(fgets(/** @scrutinizer ignore-type */ STDIN));

            // Check for wrong filename based on OS
            $isInputWrong = self::isFilenameWrong($input);

            if (is_null($input) || empty($input)) {
                Text::debug('Using default input: '.$default);
                $input = $default;
            } elseif ($isInputWrong) {
                echo 'Please input valid filename: ';
            }
        } while ($isInputWrong);

        return $input;
    }

    /**
     * Get bytes number from unit conversation.
     *
     * @param string $input    User input e.g. '5B', '5MB'
     * @param int    $notation Notation type for kilo
     *
     * @return array
     */
    public static function getBytesFromString($input, $notation = 1024)
    {
        $error = true;
        $bytes = 0;

        // https://regex101.com/r/v936BS/2
        if (preg_match('/^(?<number>\d+(?!\.+\,+\d*))\s*(?<unit>B|KB|MB|GB|TB)$/', $input, $matches)) {
            $error = false;
        }

        if ($error) {
            return array('error' => $error, 'bytes' => $bytes);
        }

        switch ($matches['unit']) {
            case 'KB':
                $bytes = $matches['number'] * $notation;
                break;
            case 'MB':
                $bytes = $matches['number'] * pow($notation, 2);
                break;
            case 'GB':
                $bytes = $matches['number'] * pow($notation, 3);
                break;
            case 'TB':
                $bytes = $matches['number'] * pow($notation, 4);
                break;
            // As Bytes
            default:
                $bytes = $matches['number'];
                break;
        }

        return array('error' => $error, 'bytes' => $bytes);
    }

    /**
     * Get number from User.
     *
     * @param string    $message Message for User what he must type
     * @param int|float $default Default number for empty input. Default is 0
     *
     * @return float Inserted number
     */
    public static function getNumber($message, $default = 0)
    {
        echo $message.' [Default: '.$default.']: ';

        do {
            $input = trim(fgets(/** @scrutinizer ignore-type */ STDIN));

            if (is_null($input) || empty($input)) {
                Text::debug('Using default input: '.$default);
                $input = $default;
            } elseif (!is_numeric($input)) {
                echo 'Please input number: ';
            }
        } while (!is_numeric($input));

        return (float) $input;
    }

    /**
     * Get User confirmation. Default is YES.
     *
     * @return bool Confirmation result
     */
    public static function getUserConfirm()
    {
        while (1) {
            echo 'Do you really want to continue? [Y/n]: ';

            $input = trim(fgets(/** @scrutinizer ignore-type */ STDIN));

            // Default is YES
            if (is_null($input) || empty($input) || strtolower($input) == 'y' || strtolower($input) == 'yes') {
                return true;
            } elseif (strtolower($input) == 'n' || strtolower($input) == 'no') {
                return false;
            }
        }

        // Fix missing return statement warning. Return true...
        return true;
    }

    /**
     * Check for wrong filename based on OS.
     *
     * @param string $input User filename input
     *
     * @return bool Is filename wrong?
     */
    public static function isFilenameWrong($input)
    {
        /*
         * Invalid characters in files:
         * (Windows)  \/:*?"<>|
         * (Linux)    /
         */

        $lastCharacter = substr($input, -1);

        // Only last character because / and \ are for folders
        $isInputWrong = $lastCharacter === '/' || $lastCharacter === '\\';

        // Running under Windows?
        if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
            // https://regex101.com/r/wR5d0J/2/
            $isInputWrong = $isInputWrong || preg_match('/[:*?"<>|]/', $input);
        }

        return $isInputWrong;
    }

    /**
     * Get exists filename.
     *
     * @param string $message       Message for User what he must type
     * @param string $default       Default filename for empty input. Default is 'output'
     * @param string $fileExtension File extension. Default is '.dat'
     *
     * @return string
     *
     * @see Input::getFilename()
     */
    public static function getExistsFilename($message, $default = 'output', $fileExtension = '.dat')
    {
        $filename = self::getFilename($message, $default);

        do {
            $error = false;

            if (!file_exists($filename.$fileExtension)) {
                $error = true;
                $filename = self::getFilename('Please type existing file', $default);
            }
        } while ($error);

        return $filename;
    }

    /**
     * Terminate script if User denied on confirmation.
     *
     * @see Input::getUserConfirm()
     */
    public static function dieOnDenyUserConfirm()
    {
        if (!self::getUserConfirm()) {
            die('Script terminated by user.');
        }
    }
}


1			<?php
2			/**
3			* Includes/Input.php.
4			*
5			* @author Adam "Saibamen" Stachowicz <[email protected]>
6			* @license MIT
7			*
8			* @link https://github.com/Saibamen/Generate-Sort-Numbers
9			*/
10
11			namespace Includes;
12
13			require_once 'Text.php';
14
15			/**
16			* Functions for receiving input from User.
17			*/
18			class Input
19			{
20			/**
21			* Get file size from User.
22			*
23			* @param string $message Message for User what he must type
24			* @param string $default Default file size for empty input. Default is '1MB'
25			*
26			* @return int\|string Inserted file size in bytes
27			*
28			* @see Input::getBytesFromString()
29			*/
30			public static function getFileSize($message, $default = '1MB')
31			{
32			echo $message.' [Default: '.$default.']: ';
33
34			do {
35			$input = trim(fgets(/** @scrutinizer ignore-type */ STDIN));
36
37			$isDefault = false;
38
39			if (is_null($input) \|\| empty($input)) {
40			Text::debug('Using default input: '.$default);
41			$isDefault = true;
42			break;
43			}
44
45			$checkInput = self::getBytesFromString($input);
46
47			if (!$checkInput['error']) {
48			$input = $checkInput['bytes'];
49			break;
50			}
51
52			echo 'Please input valid file size: ';
53			} while (1);
54
55			if ($isDefault) {
56			// Check $default just for sure
57			$checkDefault = self::getBytesFromString($default);
58
59			// 1 MB in bytes
60			$input = 1048576;
61
62			if (!$checkDefault['error']) {
63			$input = $checkDefault['bytes'];
64			}
65			}
66
67			return $input;
68			}
69
70			/**
71			* Get valid filename from User.
72			*
73			* @param string $message Message for User what he must type
74			* @param string $default Default filename for empty input. Default is 'output'
75			*
76			* @return string Inserted filename
77			*
78			* @see Input::isFilenameWrong()
79			*/
80			public static function getFilename($message, $default = 'output')
81			{
82			echo $message.' [Default: '.$default.']: ';
83
84			do {
85			$input = trim(fgets(/** @scrutinizer ignore-type */ STDIN));
86
87			// Check for wrong filename based on OS
88			$isInputWrong = self::isFilenameWrong($input);
89
90			if (is_null($input) \|\| empty($input)) {
91			Text::debug('Using default input: '.$default);
92			$input = $default;
93			} elseif ($isInputWrong) {
94			echo 'Please input valid filename: ';
95			}
96			} while ($isInputWrong);
97
98			return $input;
99			}
100
101			/**
102			* Get bytes number from unit conversation.
103			*
104			* @param string $input User input e.g. '5B', '5MB'
105			* @param int $notation Notation type for kilo
106			*
107			* @return array
108			*/
109			public static function getBytesFromString($input, $notation = 1024)
110			{
111			$error = true;
112			$bytes = 0;
113
114			// https://regex101.com/r/v936BS/2
115			if (preg_match('/^(?<number>\d+(?!\.+\,+\d))\s(?<unit>B\|KB\|MB\|GB\|TB)$/', $input, $matches)) {
116			$error = false;
117			}
118
119			if ($error) {
120			return array('error' => $error, 'bytes' => $bytes);
121			}
122
123			switch ($matches['unit']) {
124			case 'KB':
125			$bytes = $matches['number'] * $notation;
126			break;
127			case 'MB':
128			$bytes = $matches['number'] * pow($notation, 2);
129			break;
130			case 'GB':
131			$bytes = $matches['number'] * pow($notation, 3);
132			break;
133			case 'TB':
134			$bytes = $matches['number'] * pow($notation, 4);
135			break;
136			// As Bytes
137			default:
138			$bytes = $matches['number'];
139			break;
140			}
141
142			return array('error' => $error, 'bytes' => $bytes);
143			}
144
145			/**
146			* Get number from User.
147			*
148			* @param string $message Message for User what he must type
149			* @param int\|float $default Default number for empty input. Default is 0
150			*
151			* @return float Inserted number
152			*/
153			public static function getNumber($message, $default = 0)
154			{
155			echo $message.' [Default: '.$default.']: ';
156
157			do {
158			$input = trim(fgets(/** @scrutinizer ignore-type */ STDIN));
159
160			if (is_null($input) \|\| empty($input)) {
161			Text::debug('Using default input: '.$default);
162			$input = $default;
163			} elseif (!is_numeric($input)) {
164			echo 'Please input number: ';
165			}
166			} while (!is_numeric($input));
167
168			return (float) $input;
169			}
170
171			/**
172			* Get User confirmation. Default is YES.
173			*
174			* @return bool Confirmation result
175			*/
176			public static function getUserConfirm()
177			{
178			while (1) {
179			echo 'Do you really want to continue? [Y/n]: ';
180
181			$input = trim(fgets(/** @scrutinizer ignore-type */ STDIN));
182
183			// Default is YES
184			if (is_null($input) \|\| empty($input) \|\| strtolower($input) == 'y' \|\| strtolower($input) == 'yes') {
185			return true;
186			} elseif (strtolower($input) == 'n' \|\| strtolower($input) == 'no') {
187			return false;
188			}
189			}
190
191			// Fix missing return statement warning. Return true...
192			return true;
193			}
194
195			/**
196			* Check for wrong filename based on OS.
197			*
198			* @param string $input User filename input
199			*
200			* @return bool Is filename wrong?
201			*/
202			public static function isFilenameWrong($input)
203			{
204			/*
205			* Invalid characters in files:
206			* (Windows) \/:*?"<>\|
207			* (Linux) /
208			*/
209
210			$lastCharacter = substr($input, -1);
211
212			// Only last character because / and \ are for folders
213			$isInputWrong = $lastCharacter === '/' \|\| $lastCharacter === '\\';
214
215			// Running under Windows?
216			if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
217			// https://regex101.com/r/wR5d0J/2/
218			$isInputWrong = $isInputWrong \|\| preg_match('/[:*?"<>\|]/', $input);
219			}
220
221			return $isInputWrong;
222			}
223
224			/**
225			* Get exists filename.
226			*
227			* @param string $message Message for User what he must type
228			* @param string $default Default filename for empty input. Default is 'output'
229			* @param string $fileExtension File extension. Default is '.dat'
230			*
231			* @return string
232			*
233			* @see Input::getFilename()
234			*/
235			public static function getExistsFilename($message, $default = 'output', $fileExtension = '.dat')
236			{
237			$filename = self::getFilename($message, $default);
238
239			do {
240			$error = false;
241
242			if (!file_exists($filename.$fileExtension)) {
243			$error = true;
244			$filename = self::getFilename('Please type existing file', $default);
245			}
246			} while ($error);
247
248			return $filename;
249			}
250
251			/**
252			* Terminate script if User denied on confirmation.
253			*
254			* @see Input::getUserConfirm()
255			*/
256			public static function dieOnDenyUserConfirm()
257			{
258			if (!self::getUserConfirm()) {
259			die('Script terminated by user.');
260			}
261			}
262			}
263

Saibamen / Generate-Sort-Numbers

Pull Request — master (#6)

Input::dieOnDenyUserConfirm() A

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