49 lines
1.5 KiB
Swift
49 lines
1.5 KiB
Swift
//
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// MastodonField.swift
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// Mastodon
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//
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// Created by MainasuK Cirno on 2021-3-30.
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//
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import Foundation
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import ActiveLabel
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enum MastodonField {
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static func parse(field string: String) -> ParseResult {
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let mentionMatches = string.matches(pattern: "(?:@([a-zA-Z0-9_]+)(@[a-zA-Z0-9_.-]+)?)")
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let hashtagMatches = string.matches(pattern: "(?:#([^\\s.]+))")
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let urlMatches = string.matches(pattern: "(?i)https?://\\S+(?:/|\\b)")
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var entities: [ActiveEntity] = []
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for match in mentionMatches {
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guard let text = string.substring(with: match, at: 0) else { continue }
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let entity = ActiveEntity(range: match.range, type: .mention(text, userInfo: nil))
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entities.append(entity)
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}
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for match in hashtagMatches {
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guard let text = string.substring(with: match, at: 0) else { continue }
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let entity = ActiveEntity(range: match.range, type: .hashtag(text, userInfo: nil))
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entities.append(entity)
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}
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for match in urlMatches {
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guard let text = string.substring(with: match, at: 0) else { continue }
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let entity = ActiveEntity(range: match.range, type: .url(text, trimmed: text, url: text, userInfo: nil))
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entities.append(entity)
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}
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return ParseResult(value: string, activeEntities: entities)
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}
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}
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extension MastodonField {
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struct ParseResult {
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let value: String
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let activeEntities: [ActiveEntity]
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}
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}
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