63 lines
2.1 KiB
Swift
63 lines
2.1 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, emojiDict: MastodonStatusContent.EmojiDict) -> ParseResult {
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// use content parser get emoji entities
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let value = string
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var string = string
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var entities: [ActiveEntity] = []
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do {
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let contentParseresult = try MastodonStatusContent.parse(content: string, emojiDict: emojiDict)
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string = contentParseresult.trimmed
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entities.append(contentsOf: contentParseresult.activeEntities)
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} catch {
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// assertionFailure(error.localizedDescription)
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}
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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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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: value, trimmed: 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 trimmed: String
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let activeEntities: [ActiveEntity]
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}
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}
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