import strutils, strformat, htmlgen, xmltree, times import regex import types, utils from unicode import Rune, `$` const urlRegex = re"((https?|ftp)://(-\.)?([^\s/?\.#]+\.?)+([/\?][^\s\)]*)?)" emailRegex = re"([a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+)" usernameRegex = re"(^|[^A-z0-9_?])@([A-z0-9_]+)" picRegex = re"pic.twitter.com/[^ ]+" ellipsisRegex = re" ?…" ytRegex = re"(www.)?youtu(be.com|.be)" twRegex = re"(www.)?twitter.com" nbsp = $Rune(0x000A0) proc stripText*(text: string): string = text.replace(nbsp, " ").strip() proc shortLink*(text: string; length=28): string = result = text.replace(re"https?://(www.)?", "") if result.len > length: result = result[0 ..< length] & "…" proc toLink*(url, text: string; class="timeline-link"): string = a(text, class=class, href=url) proc reUrlToLink*(m: RegexMatch; s: string): string = let url = s[m.group(0)[0]] toLink(url, shortLink(url)) proc reEmailToLink*(m: RegexMatch; s: string): string = let url = s[m.group(0)[0]] toLink("mailto://" & url, url) proc reUsernameToLink*(m: RegexMatch; s: string): string = var username = "" var pretext = "" let pre = m.group(0) let match = m.group(1) username = s[match[0]] if pre.len > 0: pretext = s[pre[0]] pretext & toLink("/" & username, "@" & username) proc linkifyText*(text: string; prefs: Prefs): string = result = xmltree.escape(stripText(text)) result = result.replace(ellipsisRegex, "") result = result.replace(emailRegex, reEmailToLink) result = result.replace(urlRegex, reUrlToLink) result = result.replace(usernameRegex, reUsernameToLink) result = result.replace(re"([^\s\(\n%])\s+([;.,!\)'%]|')", "$1") result = result.replace(re"^\. 0: result = result.replace(ytRegex, prefs.replaceYouTube) if prefs.replaceTwitter.len > 0: result = result.replace(twRegex, prefs.replaceTwitter) proc replaceUrl*(url: string; prefs: Prefs): string = result = url if prefs.replaceYouTube.len > 0: result = result.replace(ytRegex, prefs.replaceYouTube) if prefs.replaceTwitter.len > 0: result = result.replace(twRegex, prefs.replaceTwitter) proc stripTwitterUrls*(text: string): string = result = text result = result.replace(picRegex, "") result = result.replace(ellipsisRegex, "") proc proxifyVideo*(manifest: string; proxy: bool): string = proc cb(m: RegexMatch; s: string): string = result = "https://video.twimg.com" & s[m.group(0)[0]] if proxy: result = getVidUrl(result) result = manifest.replace(re"(.+(.ts|.m3u8|.vmap))", cb) proc getUserpic*(userpic: string; style=""): string = let pic = userpic.replace(re"_(normal|bigger|mini|200x200|400x400)(\.[A-z]+)$", "$2") pic.replace(re"(\.[A-z]+)$", style & "$1") proc getUserpic*(profile: Profile; style=""): string = getUserPic(profile.userpic, style) proc getVideoEmbed*(id: string): string = &"https://twitter.com/i/videos/{id}?embed_source=facebook" proc pageTitle*(profile: Profile): string = &"{profile.fullname} (@{profile.username})" proc pageDesc*(profile: Profile): string = "The latest tweets from " & profile.fullname proc getJoinDate*(profile: Profile): string = profile.joinDate.format("'Joined' MMMM YYYY") proc getJoinDateFull*(profile: Profile): string = profile.joinDate.format("h:mm tt - d MMM YYYY") proc getTime*(tweet: Tweet): string = tweet.time.format("d/M/yyyy', ' HH:mm:ss") proc getLink*(tweet: Tweet | Quote): string = &"/{tweet.profile.username}/status/{tweet.id}" proc getTombstone*(text: string): string = text.replace(re"\n* *Learn more", "").stripText().strip(chars={' ', '\n'})