JsonPointer::escapeSegment() - Code Metrics - Inspection of "V2 fixes" - swaggest/json-diff - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#3)

by Viacheslav

created 2018-01-29 07:30 UTC

JsonPointer::escapeSegment() A

↳ Parent: JsonPointer

Complexity

Conditions	2
Paths	2

Size

Total Lines	6
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	2

Importance

Changes

Metric	Value
dl	0
loc	6
ccs	4
cts	4
cp	1
rs	9.4285
c	0
b	0
f	0
cc	2
eloc	4
nc	2
nop	2
crap	2

<?php

namespace Swaggest\JsonDiff;


class JsonPointer
{
    /**
     * @param string $key
     * @param bool $isURIFragmentId
     * @return string
     */
    public static function escapeSegment($key, $isURIFragmentId = false)
    {
        if ($isURIFragmentId) {
            return str_replace(array('%2F', '%7E'), array('~0', '~1'), urlencode($key));
        } else {
            return str_replace(array('~', '/'), array('~0', '~1'), $key);
        }
    }

    /**
     * @param string $path
     * @return string[]
     * @throws Exception
     */
    public static function splitPath($path)
    {
        $pathItems = explode('/', $path);
        $first = array_shift($pathItems);
        $result = array();
        if ($first === '#') {
            foreach ($pathItems as $key) {
                $key = str_replace(array('~1', '~0'), array('/', '~'), urldecode($key));
                $result[] = $key;
            }
        } else {
            if ($first !== '') {
                throw new Exception('Path must start with "/": ' . $path);
            }
            foreach ($pathItems as $key) {
                $key = str_replace(array('~1', '~0'), array('/', '~'), $key);
                $result[] = $key;
            }
        }
        return $result;
    }

    /**
     * @param mixed $holder
     * @param string[] $pathItems
     * @param mixed $value
     * @param bool $recursively
     * @throws Exception
     */
    public static function add(&$holder, $pathItems, $value, $recursively = true)
    {
        $ref = &$holder;
        while (null !== $key = array_shift($pathItems)) {
            if ($ref instanceof \stdClass) {
                if (PHP_VERSION_ID < 71000 && '' === $key) {
                    throw new Exception('Empty property name is not supported by PHP <7.1',
                        Exception::EMPTY_PROPERTY_NAME_UNSUPPORTED);
                }

                $ref = &$ref->$key;
            } else { // null or array
                $intKey = filter_var($key, FILTER_VALIDATE_INT);
                if ($ref === null && (false === $intKey || $intKey !== 0)) {
                    $key = (string)$key;
                    if ($recursively) {
                        $ref = new \stdClass();
                        $ref = &$ref->{$key};
                    } else {
                        throw new Exception('Non-existent path');
                    }
                } else {
                    if ($recursively && $ref === null) $ref = array();
                    if ('-' === $key) {
                        $ref = &$ref[];
                    } else {
                        if (is_array($ref) && array_key_exists($key, $ref) && empty($pathItems)) {
                            array_splice($ref, $key, 0, array($value));
                        }
                        if (false === $intKey) {
                            throw new Exception('Invalid key for array operation');
                        }
                        if ($intKey > count($ref) && !$recursively) {
                            throw new Exception('Index is greater than number of items in array');
                        } elseif ($intKey < 0) {
                            throw new Exception('Negative index');
                        }

                        $ref = &$ref[$intKey];
                    }
                }
            }
        }
        $ref = $value;
    }

    private static function arrayKeyExists($key, array $a)
    {
        if (array_key_exists($key, $a)) {
            return true;
        }
        $key = (string)$key;
        foreach ($a as $k => $v) {
            if ((string)$k === $key) {
                return true;
            }
        }
        return false;
    }

    private static function arrayGet($key, array $a)
    {
        $key = (string)$key;
        foreach ($a as $k => $v) {
            if ((string)$k === $key) {
                return $v;
            }
        }
        return false;
    }


    /**
     * @param mixed $holder
     * @param string[] $pathItems
     * @return bool|mixed
     * @throws Exception
     */
    public static function get($holder, $pathItems)
    {
        $ref = $holder;
        while (null !== $key = array_shift($pathItems)) {
            if ($ref instanceof \stdClass) {
                $vars = (array)$ref;
                if (self::arrayKeyExists($key, $vars)) {
                    $ref = self::arrayGet($key, $vars);
                } else {
                    throw new Exception('Key not found: ' . $key);
                }
            } elseif (is_array($ref)) {
                if (self::arrayKeyExists($key, $ref)) {
                    $ref = $ref[$key];
                } else {
                    throw new Exception('Key not found: ' . $key);
                }
            } else {
                throw new Exception('Key not found: ' . $key);
            }
        }
        return $ref;
    }

    /**
     * @param mixed $holder
     * @param string[] $pathItems
     * @return mixed
     * @throws Exception
     */
    public static function remove(&$holder, $pathItems)
    {
        $ref = &$holder;
        while (null !== $key = array_shift($pathItems)) {
            $parent = &$ref;
            $refKey = $key;
            if ($ref instanceof \stdClass) {
                if (property_exists($ref, $key)) {
                    $ref = &$ref->$key;
                } else {
                    throw new Exception('Key not found: ' . $key);
                }
            } else {
                if (array_key_exists($key, $ref)) {
                    $ref = &$ref[$key];
                } else {
                    throw new Exception('Key not found: ' . $key);
                }
            }
        }

        if (isset($parent) && isset($refKey)) {
            if ($parent instanceof \stdClass) {
                unset($parent->$refKey);
            } else {
                unset($parent[$refKey]);
                $parent = array_values($parent);

            }
        }
        return $ref;
    }
}

1		<?php
2
3		namespace Swaggest\JsonDiff;
4
5
6		class JsonPointer
7		{
8		/**
9		* @param string $key
10		* @param bool $isURIFragmentId
11		* @return string
12		*/
13	17	public static function escapeSegment($key, $isURIFragmentId = false)
14		{
15	17	if ($isURIFragmentId) {
16	1	return str_replace(array('%2F', '%7E'), array('~0', '~1'), urlencode($key));
17		} else {
18	16	return str_replace(array('~', '/'), array('~0', '~1'), $key);
19		}
20		}
21
22		/**
23		* @param string $path
24		* @return string[]
25		* @throws Exception
26		*/
27	90	public static function splitPath($path)
28		{
29	90	$pathItems = explode('/', $path);
30	90	$first = array_shift($pathItems);
31	90	$result = array();
32	90	if ($first === '#') {
33	1	foreach ($pathItems as $key) {
34	1	$key = str_replace(array('~1', '~0'), array('/', '~'), urldecode($key));
35	1	$result[] = $key;
36		}
37		} else {
38	90	if ($first !== '') {
39		throw new Exception('Path must start with "/": ' . $path);
40		}
41	90	foreach ($pathItems as $key) {
42	86	$key = str_replace(array('~1', '~0'), array('/', '~'), $key);
43	86	$result[] = $key;
44		}
45		}
46	90	return $result;
47		}
48
49		/**
50		* @param mixed $holder
51		* @param string[] $pathItems
52		* @param mixed $value
53		* @param bool $recursively
54		* @throws Exception
55		*/
56	67	public static function add(&$holder, $pathItems, $value, $recursively = true)
57		{
58	67	$ref = &$holder;
59	67	while (null !== $key = array_shift($pathItems)) {
60	63	if ($ref instanceof \stdClass) {
61	44	if (PHP_VERSION_ID < 71000 && '' === $key) {
62		throw new Exception('Empty property name is not supported by PHP <7.1',
63		Exception::EMPTY_PROPERTY_NAME_UNSUPPORTED);
64		}
65
66	44	$ref = &$ref->$key;
67		} else { // null or array
68	41	$intKey = filter_var($key, FILTER_VALIDATE_INT);
69	41	if ($ref === null && (false === $intKey \|\| $intKey !== 0)) {
70	13	$key = (string)$key;
71	13	if ($recursively) {
72	11	$ref = new \stdClass();
73	11	$ref = &$ref->{$key};
74		} else {
75	13	throw new Exception('Non-existent path');
76		}
77		} else {
78	36	if ($recursively && $ref === null) $ref = array();
79	36	if ('-' === $key) {
80	4	$ref = &$ref[];
81		} else {
82	33	if (is_array($ref) && array_key_exists($key, $ref) && empty($pathItems)) {
83	6	array_splice($ref, $key, 0, array($value));
84		}
85	33	if (false === $intKey) {
86	2	throw new Exception('Invalid key for array operation');
87		}
88	31	if ($intKey > count($ref) && !$recursively) {
89	2	throw new Exception('Index is greater than number of items in array');
90	29	} elseif ($intKey < 0) {
91	1	throw new Exception('Negative index');
92		}
93
94	28	$ref = &$ref[$intKey];
95		}
96		}
97		}
98		}
99	60	$ref = $value;
100	60	}
101
102	43	private static function arrayKeyExists($key, array $a)
103		{
104	43	if (array_key_exists($key, $a)) {
105	39	return true;
106		}
107	7	$key = (string)$key;
108	7	foreach ($a as $k => $v) {
109	7	if ((string)$k === $key) {
110	7	return true;
111		}
112		}
113	7	return false;
114		}
115
116	32	private static function arrayGet($key, array $a)
117		{
118	32	$key = (string)$key;
119	32	foreach ($a as $k => $v) {
120	32	if ((string)$k === $key) {
121	32	return $v;
122		}
123		}
124		return false;
125		}
126
127
128		/**
129		* @param mixed $holder
130		* @param string[] $pathItems
131		* @return bool\|mixed
132		* @throws Exception
133		*/
134	44	public static function get($holder, $pathItems)
135		{
136	44	$ref = $holder;
137	44	while (null !== $key = array_shift($pathItems)) {
138	43	if ($ref instanceof \stdClass) {
139	33	$vars = (array)$ref;
140	33	if (self::arrayKeyExists($key, $vars)) {
141	32	$ref = self::arrayGet($key, $vars);
142		} else {
143	33	throw new Exception('Key not found: ' . $key);
144		}
145	21	} elseif (is_array($ref)) {
146	21	if (self::arrayKeyExists($key, $ref)) {
147	16	$ref = $ref[$key];
148		} else {
149	21	throw new Exception('Key not found: ' . $key);
150		}
151		} else {
152		throw new Exception('Key not found: ' . $key);
153		}
154		}
155	38	return $ref;
156		}
157
158		/**
159		* @param mixed $holder
160		* @param string[] $pathItems
161		* @return mixed
162		* @throws Exception
163		*/
164	33	public static function remove(&$holder, $pathItems)
165		{
166	33	$ref = &$holder;
167	33	while (null !== $key = array_shift($pathItems)) {
168	32	$parent = &$ref;
169	32	$refKey = $key;
170	32	if ($ref instanceof \stdClass) {
171	22	if (property_exists($ref, $key)) {
172	21	$ref = &$ref->$key;
173		} else {
174	22	throw new Exception('Key not found: ' . $key);
175		}
176		} else {
177	19	if (array_key_exists($key, $ref)) {
178	16	$ref = &$ref[$key];
179		} else {
180	3	throw new Exception('Key not found: ' . $key);
181		}
182		}
183		}
184
185	29	if (isset($parent) && isset($refKey)) {
186	28	if ($parent instanceof \stdClass) {
187	18	unset($parent->$refKey);
188		} else {
189	12	unset($parent[$refKey]);
190	12	$parent = array_values($parent);
		0 ignored issues – show Unused Code introduced 2018-01-29 05:17 UTC by Report Bug Copy Issue Report The assignment to `$parent` is dead and can be removed. Loading history...
191		}
192		}
193	29	return $ref;
194		}
195		}

swaggest / json-diff

Pull Request — master (#3)

JsonPointer::escapeSegment() A

Complexity

Size

Duplication

Code Coverage

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