93 lines
2.8 KiB
Nim
93 lines
2.8 KiB
Nim
import strutils, strformat, htmlgen, xmltree
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import regex
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import ./types, ./utils
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from unicode import Rune, `$`
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const
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urlRegex = re"((https?|ftp)://(-\.)?([^\s/?\.#]+\.?)+(/[^\s]*)?)"
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emailRegex = re"([a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+)"
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usernameRegex = re"(^|[^\S\n]|\.)@([A-z0-9_]+)"
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picRegex = re"pic.twitter.com/[^ ]+"
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cardRegex = re"(https?://)?cards.twitter.com/[^ ]+"
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ellipsisRegex = re" ?…"
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nbsp = $Rune(0x000A0)
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proc stripText*(text: string): string =
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text.replace(nbsp, " ").strip()
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proc shortLink*(text: string; length=28): string =
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result = text.replace(re"https?://(www.)?", "")
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if result.len > length:
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result = result[0 ..< length] & "…"
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proc toLink*(url, text: string; class="timeline-link"): string =
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a(text, class=class, href=url)
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proc reUrlToLink*(m: RegexMatch; s: string): string =
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let url = s[m.group(0)[0]]
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toLink(url, shortLink(url))
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proc reEmailToLink*(m: RegexMatch; s: string): string =
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let url = s[m.group(0)[0]]
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toLink("mailto://" & url, url)
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proc reUsernameToLink*(m: RegexMatch; s: string): string =
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var
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username = ""
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pretext = ""
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let
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pre = m.group(0)
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match = m.group(1)
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username = s[match[0]]
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if pre.len > 0:
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pretext = s[pre[0]]
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pretext & toLink("/" & username, "@" & username)
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proc linkifyText*(text: string): string =
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result = text.stripText()
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result = result.replace("\n", "<br>")
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result = result.replace(ellipsisRegex, "")
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result = result.replace(usernameRegex, reUsernameToLink)
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result = result.replace(emailRegex, reEmailToLink)
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result = result.replace(urlRegex, reUrlToLink)
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result = result.replace(re"([A-z0-9\):.])<a", "$1 <a")
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result = result.replace(re"</a> ([.,\)])", "</a>$1")
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proc stripTwitterUrls*(text: string): string =
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result = text
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result = result.replace(picRegex, "")
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result = result.replace(cardRegex, "")
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result = result.replace(ellipsisRegex, "")
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proc getUserpic*(userpic: string; style=""): string =
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let pic = userpic.replace(re"_(normal|bigger|mini|200x200)(\.[A-z]+)$", "$2")
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pic.replace(re"(\.[A-z]+)$", style & "$1")
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proc getUserpic*(profile: Profile; style=""): string =
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getUserPic(profile.userpic, style)
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proc linkUser*(profile: Profile; class=""): string =
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let
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username = "username" in class
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href = &"/{profile.username}"
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text = if username: "@" & profile.username
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else: xmltree.escape(profile.fullname)
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result = a(text, href = href, class = class, title = text)
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if not username and profile.verified:
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result &= span("✔", class="icon verified-icon", title="Verified account")
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if not username and profile.protected:
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result &= span("🔒", class="icon protected-icon", title="Protected account")
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proc pageTitle*(profile: Profile): string =
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&"{profile.fullname} (@{profile.username}) | Nitter"
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proc pageTitle*(page: string): string =
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&"{page} | Nitter"
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