Upload files to 'user'

2022-09-24 06:29:00 +00:00
parent a1ff8c5171
commit de5d945f2e
57 changed files with 10608 additions and 0 deletions
--- a/user/EmojiDetector.php
+++ b/user/EmojiDetector.php
@ -0,0 +1,203 @@
+<?php
+
+namespace SteppingHat\EmojiDetector;
+
+use Exception;
+use SteppingHat\EmojiDetector\Model\EmojiInfo;
+
+class EmojiDetector {
+
+	const LONGEST_EMOJI = 8;
+
+	const SKIN_TONES = [
+		'1F3FB' => 'skin-tone-2',
+		'1F3FC' => 'skin-tone-3',
+		'1F3FD' => 'skin-tone-4',
+		'1F3FE' => 'skin-tone-5',
+		'1F3FF' => 'skin-tone-6'
+	];
+
+	private $map;
+	private $regex;
+	private $dataDir;
+
+	/**
+	 * EmojiDetector constructor.
+	 * @throws Exception
+	 */
+	public function __construct() {
+		$this->dataDir = __DIR__ . '/../var';
+		$this->loadMap();
+		$this->loadRawEmojis();
+	}
+
+	/**
+	 * @param $string
+	 * @return EmojiInfo[]
+	 */
+	public function detect($string) {
+
+		$oldEncoding = mb_internal_encoding();
+		mb_internal_encoding('UTF-8');
+
+		/** @var EmojiInfo[] $emojiInfos */
+		$emojiInfos = [];
+
+		$matches = [];
+		foreach($this->regex as $icon) {
+			$strpos = mb_strpos($string, $icon);
+			if($strpos !== false) {
+				$matches[] = [$icon, $strpos];
+			}
+		}
+
+		$length = 0;
+
+		foreach($matches as $match) {
+			$emojiInfo = new EmojiInfo();
+
+			$emojiInfo->setEmoji($match[0]);
+			$emojiInfo->setOffset(strpos($string, $match[0]));
+			$emojiInfo->setMbOffset(mb_strpos($string, $match[0]));
+
+			// Break apart the hex characters and build the hex string
+			$hexCodes = [];
+
+			for($i = 0; $i < mb_strlen($emojiInfo->getEmoji()); $i++) {
+				$hexCodes[] = strtoupper(dechex($this->unicodeOrd(mb_substr($match[0], $i, 1))));
+			}
+			$emojiInfo->setHexCodes($hexCodes);
+
+			// Denote the emoji name
+			if(array_key_exists($emojiInfo->getHexString(), $this->map)) {
+				$emojiInfo->setName($this->map[$emojiInfo->getHexString()]['name']);
+				$emojiInfo->setShortName($this->map[$emojiInfo->getHexString()]['shortName']);
+				$emojiInfo->setCategory($this->map[$emojiInfo->getHexString()]['category']);
+			}
+
+
+			// Denote the skin tone
+			foreach($hexCodes as $hexCode) {
+				if(array_key_exists($hexCode, self::SKIN_TONES)) {
+					$emojiInfo->setSkinTone(self::SKIN_TONES[$hexCode]);
+				}
+			}
+
+
+			$length += (strlen($emojiInfo->getEmoji()) - 1);
+
+			$emojiInfos[] = $emojiInfo;
+		}
+
+		usort($emojiInfos, function(EmojiInfo $a, EmojiInfo $b) {
+		    if($a->getOffset() == $b->getOffset()) {
+		        return 0;
+            }
+		    return $a->getOffset() < $b->getOffset() ? -1 : 1;
+		});
+
+		/** @var EmojiInfo[] $data */
+		$data = [];
+		foreach($emojiInfos as $emoji) {
+			if(count($data) == 0) {
+				$data[] = $emoji;
+				continue;
+			}
+
+			/** @var EmojiInfo $last */
+			$last = end($data);
+			$key = key($data);
+
+			if($last->getOffset() == $emoji->getOffset()) {
+				if($last->getMbLength() < $emoji->getMbLength()) {
+					$data[$key] = $emoji;
+				}
+			} else if($emoji->getOffset() >= strlen($last->getEmoji()) + $last->getOffset()) {
+				$data[] = $emoji;
+			}
+
+			reset($data);
+		}
+
+		mb_internal_encoding($oldEncoding);
+		return $data;
+	}
+
+	/**
+	 * @param $string
+	 * @return bool
+	 */
+	public function isSingleEmoji($string) {
+		if(mb_strlen($string) > self::LONGEST_EMOJI) return false;
+
+		$emojis = $this->detect($string);
+		if(count($emojis) !== 1) return false;
+
+		$emoji = array_pop($emojis);
+		$string = str_replace($emoji->getEmoji(), '', $string);
+
+		$split = $this->str_split_unicode($string);
+		if(count($split) > 1) return false;
+		else if(count($split) === 1 && $split[0] === '') return false;
+
+		return true;
+	}
+
+	private function loadMap() {
+		$mapFile = $this->dataDir . '/map.json';
+		if(!file_exists($mapFile)) {
+			throw new Exception("Could not load Emoji map file");
+		}
+
+		$this->map = json_decode(file_get_contents($mapFile), true);
+
+	}
+
+	private function loadRawEmojis() {
+		$mapFile = $this->dataDir . '/raw.json';
+		if(!file_exists($mapFile)) {
+			throw new Exception("Could not load Emoji raw file");
+		}
+
+		$this->regex = json_decode(file_get_contents($mapFile), true);
+
+	}
+
+	/**
+	 * @param $hexChar
+	 * @return bool|int
+	 */
+	private function unicodeOrd($hexChar) {
+		$ord0 = ord($hexChar[0]);
+		if($ord0 >= 0 && $ord0 <= 127) return $ord0;
+
+		$ord1 = ord($hexChar[1]);
+		if($ord0 >= 192 && $ord0 <= 223) return ($ord0 - 192) * 64 + ($ord1 - 128);
+
+		$ord2 = ord($hexChar[2]);
+		if($ord0 >= 224 && $ord0 <= 239) return ($ord0 - 224) * 4096 + ($ord1 - 128) * 64 + ($ord2 - 128);
+
+		$ord3 = ord($hexChar[3]);
+		if($ord0 >= 240 && $ord0 <= 247) return ($ord0 - 240) * 262144 + ($ord1 - 128) * 4096 + ($ord2 - 128) * 64 + ($ord3 - 128);
+
+		return false;
+	}
+
+	/**
+	 * @param $str
+	 * @param int $l
+	 * @return false|string[]
+	 */
+	private function str_split_unicode($str, $l = 0) {
+		if ($l > 0) {
+			$ret = array();
+			$len = mb_strlen($str, "UTF-8");
+			for ($i = 0; $i < $len; $i += $l) {
+				$ret[] = mb_substr($str, $i, $l, "UTF-8");
+			}
+			return $ret;
+		}
+		return preg_split("//u", $str, -1, PREG_SPLIT_NO_EMPTY);
+	}
+
+}