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Escape markdown markup characters on their way into HTMLToMarkdown to prevent them being rendered as styled text after they come out. (#329)

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Gareth Simpson 2023-01-24 05:38:38 +00:00 committed by GitHub
parent d0854d0107
commit ffe1a1dba0
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1 changed files with 10 additions and 1 deletions
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11
Packages/Models/Sources/Models/Alias/HTMLString.swift
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@ -4,7 +4,7 @@ import SwiftSoup
import SwiftUI
public struct HTMLString: Decodable, Equatable, Hashable {
public let htmlValue: String
public var htmlValue: String
public let asMarkdown: String
public let asRawText: String
public let statusesURLs: [URL]
@ -18,6 +18,15 @@ public struct HTMLString: Decodable, Equatable, Hashable {
htmlValue = ""
}
// https://daringfireball.net/projects/markdown/syntax
// HTML2Markdown only auto escapes * on the way out
// so we pre-escape all other escapable sequences on
// the way in here.
if let regex = try? NSRegularExpression(pattern: "([\\\\_(){}\\[\\]\\.\\+\\-#!])", options: .caseInsensitive) {
htmlValue = regex.stringByReplacingMatches(in: htmlValue, options: [], range: NSRange(location: 0, length: htmlValue.count), withTemplate: "\\\\$1")
}
do {
asMarkdown = try HTMLParser().parse(html: htmlValue)
.toMarkdown()