@@ -34,68 +34,68 @@ |
||
34 | 34 | */ |
35 | 35 | class EmojiService { |
36 | 36 | |
37 | - /** @var IDBConnection */ |
|
38 | - private $db; |
|
39 | - |
|
40 | - /** |
|
41 | - * EmojiService constructor. |
|
42 | - * |
|
43 | - * @param IDBConnection $db |
|
44 | - */ |
|
45 | - public function __construct(IDBConnection $db) { |
|
46 | - $this->db = $db; |
|
47 | - } |
|
48 | - |
|
49 | - /** |
|
50 | - * @return bool |
|
51 | - */ |
|
52 | - public function doesPlatformSupportEmoji(): bool { |
|
53 | - return $this->db->supports4ByteText() && |
|
54 | - \class_exists(\IntlBreakIterator::class); |
|
55 | - } |
|
56 | - |
|
57 | - /** |
|
58 | - * @param string $emoji |
|
59 | - * @return bool |
|
60 | - */ |
|
61 | - public function isValidEmoji(string $emoji): bool { |
|
62 | - $intlBreakIterator = \IntlBreakIterator::createCharacterInstance(); |
|
63 | - $intlBreakIterator->setText($emoji); |
|
64 | - |
|
65 | - $characterCount = 0; |
|
66 | - while ($intlBreakIterator->next() !== \IntlBreakIterator::DONE) { |
|
67 | - $characterCount++; |
|
68 | - } |
|
69 | - |
|
70 | - if ($characterCount !== 1) { |
|
71 | - return false; |
|
72 | - } |
|
73 | - |
|
74 | - $codePointIterator = \IntlBreakIterator::createCodePointInstance(); |
|
75 | - $codePointIterator->setText($emoji); |
|
76 | - |
|
77 | - foreach ($codePointIterator->getPartsIterator() as $codePoint) { |
|
78 | - $codePointType = \IntlChar::charType($codePoint); |
|
79 | - |
|
80 | - // If the current code-point is an emoji or a modifier (like a skin-tone) |
|
81 | - // just continue and check the next character |
|
82 | - if ($codePointType === \IntlChar::CHAR_CATEGORY_MODIFIER_SYMBOL || |
|
83 | - $codePointType === \IntlChar::CHAR_CATEGORY_MODIFIER_LETTER || |
|
84 | - $codePointType === \IntlChar::CHAR_CATEGORY_OTHER_SYMBOL || |
|
85 | - $codePointType === \IntlChar::CHAR_CATEGORY_GENERAL_OTHER_TYPES) { |
|
86 | - continue; |
|
87 | - } |
|
88 | - |
|
89 | - // If it's neither a modifier nor an emoji, we only allow |
|
90 | - // a zero-width-joiner or a variation selector 16 |
|
91 | - $codePointValue = \IntlChar::ord($codePoint); |
|
92 | - if ($codePointValue === 8205 || $codePointValue === 65039) { |
|
93 | - continue; |
|
94 | - } |
|
95 | - |
|
96 | - return false; |
|
97 | - } |
|
98 | - |
|
99 | - return true; |
|
100 | - } |
|
37 | + /** @var IDBConnection */ |
|
38 | + private $db; |
|
39 | + |
|
40 | + /** |
|
41 | + * EmojiService constructor. |
|
42 | + * |
|
43 | + * @param IDBConnection $db |
|
44 | + */ |
|
45 | + public function __construct(IDBConnection $db) { |
|
46 | + $this->db = $db; |
|
47 | + } |
|
48 | + |
|
49 | + /** |
|
50 | + * @return bool |
|
51 | + */ |
|
52 | + public function doesPlatformSupportEmoji(): bool { |
|
53 | + return $this->db->supports4ByteText() && |
|
54 | + \class_exists(\IntlBreakIterator::class); |
|
55 | + } |
|
56 | + |
|
57 | + /** |
|
58 | + * @param string $emoji |
|
59 | + * @return bool |
|
60 | + */ |
|
61 | + public function isValidEmoji(string $emoji): bool { |
|
62 | + $intlBreakIterator = \IntlBreakIterator::createCharacterInstance(); |
|
63 | + $intlBreakIterator->setText($emoji); |
|
64 | + |
|
65 | + $characterCount = 0; |
|
66 | + while ($intlBreakIterator->next() !== \IntlBreakIterator::DONE) { |
|
67 | + $characterCount++; |
|
68 | + } |
|
69 | + |
|
70 | + if ($characterCount !== 1) { |
|
71 | + return false; |
|
72 | + } |
|
73 | + |
|
74 | + $codePointIterator = \IntlBreakIterator::createCodePointInstance(); |
|
75 | + $codePointIterator->setText($emoji); |
|
76 | + |
|
77 | + foreach ($codePointIterator->getPartsIterator() as $codePoint) { |
|
78 | + $codePointType = \IntlChar::charType($codePoint); |
|
79 | + |
|
80 | + // If the current code-point is an emoji or a modifier (like a skin-tone) |
|
81 | + // just continue and check the next character |
|
82 | + if ($codePointType === \IntlChar::CHAR_CATEGORY_MODIFIER_SYMBOL || |
|
83 | + $codePointType === \IntlChar::CHAR_CATEGORY_MODIFIER_LETTER || |
|
84 | + $codePointType === \IntlChar::CHAR_CATEGORY_OTHER_SYMBOL || |
|
85 | + $codePointType === \IntlChar::CHAR_CATEGORY_GENERAL_OTHER_TYPES) { |
|
86 | + continue; |
|
87 | + } |
|
88 | + |
|
89 | + // If it's neither a modifier nor an emoji, we only allow |
|
90 | + // a zero-width-joiner or a variation selector 16 |
|
91 | + $codePointValue = \IntlChar::ord($codePoint); |
|
92 | + if ($codePointValue === 8205 || $codePointValue === 65039) { |
|
93 | + continue; |
|
94 | + } |
|
95 | + |
|
96 | + return false; |
|
97 | + } |
|
98 | + |
|
99 | + return true; |
|
100 | + } |
|
101 | 101 | } |