|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Drupal\graphql\Utility; |
|
4
|
|
|
|
|
5
|
|
|
class StringHelper { |
|
6
|
|
|
|
|
7
|
|
|
/** |
|
8
|
|
|
* Turn a list of machine names into a camel-cased string. |
|
9
|
|
|
* |
|
10
|
|
|
* @return string |
|
11
|
|
|
* A camel-cased concatenation of the input components. |
|
12
|
|
|
* |
|
13
|
|
|
* @throws \InvalidArgumentException |
|
14
|
|
|
* If the provided input does can't be converted to a specification compliant |
|
15
|
|
|
* string representation for field or type names. |
|
16
|
|
|
*/ |
|
17
|
|
|
public static function camelCase() { |
|
18
|
|
|
$components = array_map(function ($component) { |
|
19
|
|
|
if ($component[0] && is_numeric($component[0])) { |
|
20
|
|
|
$component = "_$component"; |
|
21
|
|
|
} |
|
22
|
|
|
|
|
23
|
|
|
return str_replace('-', '_', $component); |
|
24
|
|
|
}, func_get_args()); |
|
25
|
|
|
|
|
26
|
|
|
$string = is_array($components) ? implode('_', $components) : $components; |
|
27
|
|
|
$filtered = preg_replace('/^[^_a-zA-Z]+/', '', $string); |
|
28
|
|
|
$components = array_filter(preg_split('/[^a-zA-Z0-9]/', $filtered)); |
|
29
|
|
|
|
|
30
|
|
|
if (!count($components)) { |
|
31
|
|
|
throw new \InvalidArgumentException(sprintf("Failed to create a specification compliant string representation for '%s'.", $string)); |
|
32
|
|
|
} |
|
33
|
|
|
|
|
34
|
|
|
return implode('', array_map('ucfirst', $components)); |
|
35
|
|
|
} |
|
36
|
|
|
|
|
37
|
|
|
/** |
|
38
|
|
|
* Turn a list of machine names into a upper-cased string. |
|
39
|
|
|
* |
|
40
|
|
|
* @return string |
|
41
|
|
|
* A upper-cased concatenation of the input components. |
|
42
|
|
|
*/ |
|
43
|
|
|
public static function upperCase() { |
|
44
|
|
|
$result = call_user_func_array([static::class, 'camelCase'], func_get_args()); |
|
45
|
|
|
return strtoupper($result); |
|
46
|
|
|
} |
|
47
|
|
|
|
|
48
|
|
|
/** |
|
49
|
|
|
* Turn a list of machine names into a property-cased string. |
|
50
|
|
|
* |
|
51
|
|
|
* @return string |
|
52
|
|
|
* A camel-cased concatenation of the input components. |
|
53
|
|
|
*/ |
|
54
|
|
|
public static function propCase() { |
|
55
|
|
|
$result = call_user_func_array([static::class, 'camelCase'], func_get_args()); |
|
56
|
|
|
return ctype_upper($result) ? strtolower($result) : lcfirst($result); |
|
57
|
|
|
} |
|
58
|
|
|
|
|
59
|
|
|
/** |
|
60
|
|
|
* Wraps a type string in brackets declaring it as a list. |
|
61
|
|
|
* |
|
62
|
|
|
* @param string $type |
|
63
|
|
|
* The type to declare as a list. |
|
64
|
|
|
* |
|
65
|
|
|
* @return string |
|
66
|
|
|
* The decorated type string. |
|
67
|
|
|
*/ |
|
68
|
|
|
public static function listType($type) { |
|
69
|
|
|
return "[$type]"; |
|
70
|
|
|
} |
|
71
|
|
|
|
|
72
|
|
|
/** |
|
73
|
|
|
* Appends an exclamation mark to a type string declaring it as non-null. |
|
74
|
|
|
* |
|
75
|
|
|
* @param string $type |
|
76
|
|
|
* The type to declare as non-null. |
|
77
|
|
|
* |
|
78
|
|
|
* @return string |
|
79
|
|
|
* The decorated type string. |
|
80
|
|
|
*/ |
|
81
|
|
|
public static function nonNullType($type) { |
|
82
|
|
|
return "$type!"; |
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
|
|
/** |
|
86
|
|
|
* Decorates a type as non-null and/or as a list. |
|
87
|
|
|
* |
|
88
|
|
|
* @param string $type |
|
89
|
|
|
* The type to declare as non-null. |
|
90
|
|
|
* @param bool $list |
|
91
|
|
|
* Whether to mark the type as a list. |
|
92
|
|
|
* @param bool $required |
|
93
|
|
|
* Whether to mark the type as required. |
|
94
|
|
|
* |
|
95
|
|
|
* @return string |
|
96
|
|
|
* The decorated type. |
|
97
|
|
|
*/ |
|
98
|
|
|
public static function decorateType($type, $list = FALSE, $required = FALSE) { |
|
99
|
|
|
if (!empty($list)) { |
|
100
|
|
|
$type = static::listType($type); |
|
101
|
|
|
} |
|
102
|
|
|
|
|
103
|
|
|
if (!empty($required)) { |
|
104
|
|
|
$type = static::nonNullType($type); |
|
105
|
|
|
} |
|
106
|
|
|
|
|
107
|
|
|
return $type; |
|
108
|
|
|
} |
|
109
|
|
|
|
|
110
|
|
|
/** |
|
111
|
|
|
* Parses a type definition from a string and properly decorates it. |
|
112
|
|
|
* |
|
113
|
|
|
* Converts type strings (e.g. [Foo!]) to their object representations. |
|
114
|
|
|
* |
|
115
|
|
|
* @param string $type |
|
116
|
|
|
* The type string to parse. |
|
117
|
|
|
* |
|
118
|
|
|
* @return array |
|
119
|
|
|
* The extracted type with the type decorators. |
|
120
|
|
|
*/ |
|
121
|
|
|
public static function parseType($type) { |
|
122
|
|
|
$decorators = []; |
|
123
|
|
|
$unwrapped = $type; |
|
124
|
|
|
$matches = NULL; |
|
125
|
|
|
|
|
126
|
|
|
while (preg_match('/[\[\]!]/', $unwrapped) && preg_match_all('/^(\[?)(.*?)(\]?)(!*?)$/', $unwrapped, $matches)) { |
|
127
|
|
|
if ($unwrapped === $matches[2][0] || empty($matches[1][0]) !== empty($matches[3][0])) { |
|
128
|
|
|
throw new \InvalidArgumentException(sprintf("Invalid type declaration '%s'.", $type)); |
|
129
|
|
|
} |
|
130
|
|
|
|
|
131
|
|
|
if (!empty($matches[4][0])) { |
|
132
|
|
|
array_unshift($decorators, ['GraphQL\Type\Definition\Type', 'nonNull']); |
|
133
|
|
|
} |
|
134
|
|
|
|
|
135
|
|
|
if (!empty($matches[1][0]) && !empty($matches[3][0])) { |
|
136
|
|
|
array_unshift($decorators, ['GraphQL\Type\Definition\Type', 'listOf']); |
|
137
|
|
|
} |
|
138
|
|
|
|
|
139
|
|
|
$unwrapped = $matches[2][0]; |
|
140
|
|
|
} |
|
141
|
|
|
|
|
142
|
|
|
return [$unwrapped, $decorators]; |
|
143
|
|
|
} |
|
144
|
|
|
|
|
145
|
|
|
} |
drupal-graphql /
graphql
