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"(^|[^\S\n]|\.|>)@([A-z0-9_]+)" picRegex = re"pic.twitter.com/[^ ]+" cardRegex = re"(https?://)?cards.twitter.com/[^ ]+" ellipsisRegex = re" ?…" 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): string = result = xmltree.escape(stripText(text)) result = result.replace(ellipsisRegex, "") result = result.replace(emailRegex, reEmailToLink) result = result.replace(urlRegex, reUrlToLink) result = result.replace("\n", "
") result = result.replace(usernameRegex, reUsernameToLink) result = result.replace(re"([^\s\(\n])\s+([;.,!\)']|')", "$1") proc stripTwitterUrls*(text: string): string = result = text result = result.replace(picRegex, "") result = result.replace(cardRegex, "") result = result.replace(ellipsisRegex, "") proc getUserpic*(userpic: string; style=""): string = let pic = userpic.replace(re"_(normal|bigger|mini|200x200)(\.[A-z]+)$", "$2") pic.replace(re"(\.[A-z]+)$", style & "$1") proc getUserpic*(profile: Profile; style=""): string = getUserPic(profile.userpic, style) proc genImg*(url: string; class=""): string = result = img(src = url.getSigUrl("pic"), class = class, alt = "Image") proc linkUser*(profile: Profile; class=""): string = let username = "username" in class href = &"/{profile.username}" text = if username: "@" & profile.username else: xmltree.escape(profile.fullname) result = a(text, href = href, class = class, title = text) if not username and profile.verified: result &= span("✔", class="icon verified-icon", title="Verified account") if not username and profile.protected: result &= span("🔒", class="icon protected-icon", title="Protected account") proc pageTitle*(profile: Profile): string = &"{profile.fullname} (@{profile.username}) | Nitter" proc pageTitle*(page: string): string = &"{page} | Nitter" proc getTime*(tweet: Tweet): string = tweet.time.format("d/M/yyyy', ' HH:mm:ss")