comparison core/lib/Drupal/Core/Language/LanguageInterface.php @ 0:4c8ae668cc8c

Initial import (non-working)
author Chris Cannam
date Wed, 29 Nov 2017 16:09:58 +0000
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1 <?php
2
3 namespace Drupal\Core\Language;
4
5 /**
6 * Defines a language.
7 */
8 interface LanguageInterface {
9
10 /**
11 * Special system language code (only applicable to UI language).
12 *
13 * Refers to the language used in Drupal and module/theme source code. Drupal
14 * uses the built-in text for English by default, but if configured to allow
15 * translation/customization of English, we need to differentiate between the
16 * built-in language and the English translation.
17 */
18 const LANGCODE_SYSTEM = 'system';
19
20 /**
21 * The language code used when no language is explicitly assigned (yet).
22 *
23 * Should be used when language information is not available or cannot be
24 * determined. This special language code is useful when we know the data
25 * might have linguistic information, but we don't know the language.
26 *
27 * See http://www.w3.org/International/questions/qa-no-language#undetermined.
28 */
29 const LANGCODE_NOT_SPECIFIED = 'und';
30
31 /**
32 * The language code used when the marked object has no linguistic content.
33 *
34 * Should be used when we explicitly know that the data referred has no
35 * linguistic content.
36 *
37 * See http://www.w3.org/International/questions/qa-no-language#nonlinguistic.
38 */
39 const LANGCODE_NOT_APPLICABLE = 'zxx';
40
41 /**
42 * Language code referring to the default language of data, e.g. of an entity.
43 *
44 * See the BCP 47 syntax for defining private language tags:
45 * http://www.rfc-editor.org/rfc/bcp/bcp47.txt
46 */
47 const LANGCODE_DEFAULT = 'x-default';
48
49 /**
50 * Language code referring to site's default language.
51 */
52 const LANGCODE_SITE_DEFAULT = 'site_default';
53
54 /**
55 * The language state when referring to configurable languages.
56 */
57 const STATE_CONFIGURABLE = 1;
58
59 /**
60 * The language state when referring to locked languages.
61 */
62 const STATE_LOCKED = 2;
63
64 /**
65 * The language state used when referring to all languages.
66 */
67 const STATE_ALL = 3;
68
69 /**
70 * The language state used when referring to the site's default language.
71 */
72 const STATE_SITE_DEFAULT = 4;
73
74 /**
75 * The type of language used to define the content language.
76 */
77 const TYPE_CONTENT = 'language_content';
78
79 /**
80 * The type of language used to select the user interface.
81 */
82 const TYPE_INTERFACE = 'language_interface';
83
84 /**
85 * The type of language used for URLs.
86 */
87 const TYPE_URL = 'language_url';
88
89 /**
90 * Language written left to right. Possible value of $language->direction.
91 */
92 const DIRECTION_LTR = 'ltr';
93
94 /**
95 * Language written right to left. Possible value of $language->direction.
96 */
97 const DIRECTION_RTL = 'rtl';
98
99 /**
100 * Gets the name of the language.
101 *
102 * @return string
103 * The human-readable name of the language (in the language that was
104 * used to construct this object).
105 */
106 public function getName();
107
108 /**
109 * Gets the ID (language code).
110 *
111 * @return string
112 * The language code.
113 */
114 public function getId();
115
116 /**
117 * Gets the text direction (left-to-right or right-to-left).
118 *
119 * @return string
120 * Either self::DIRECTION_LTR or self::DIRECTION_RTL.
121 */
122 public function getDirection();
123
124 /**
125 * Gets the weight of the language.
126 *
127 * @return int
128 * The weight, used to order languages with larger positive weights sinking
129 * items toward the bottom of lists.
130 */
131 public function getWeight();
132
133 /**
134 * Returns whether this language is the default language.
135 *
136 * @return bool
137 * Whether the language is the default language.
138 */
139 public function isDefault();
140
141 /**
142 * Returns whether this language is locked.
143 *
144 * @return bool
145 * Whether the language is locked or not.
146 */
147 public function isLocked();
148
149 }