nitter/src/formatters.nim

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import strutils, strformat, htmlgen, xmltree, times
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import regex
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"(^|[^A-z0-9_?])@([A-z0-9_]+)"
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picRegex = re"pic.twitter.com/[^ ]+"
ellipsisRegex = re" ?…"
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nbsp = $Rune(0x000A0)
proc stripText*(text: string): string =
text.replace(nbsp, " ").strip()
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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)
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proc reUrlToLink*(m: RegexMatch; s: string): string =
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 =
let url = s[m.group(0)[0]]
toLink("mailto://" & url, url)
proc reUsernameToLink*(m: RegexMatch; s: string): string =
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var username = ""
var pretext = ""
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let pre = m.group(0)
let match = m.group(1)
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username = s[match[0]]
if pre.len > 0:
pretext = s[pre[0]]
pretext & toLink("/" & username, "@" & username)
proc linkifyText*(text: string): string =
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result = xmltree.escape(stripText(text))
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result = result.replace(ellipsisRegex, "")
result = result.replace(emailRegex, reEmailToLink)
result = result.replace(urlRegex, reUrlToLink)
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result = result.replace(usernameRegex, reUsernameToLink)
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result = result.replace(re"([^\s\(\n%])<a", "$1 <a")
result = result.replace(re"</a>\s+([;.,!\)'%]|&apos;)", "</a>$1")
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result = result.replace(re"^\. <a", ".<a")
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proc stripTwitterUrls*(text: string): string =
result = text
result = result.replace(picRegex, "")
result = result.replace(ellipsisRegex, "")
proc getUserpic*(userpic: string; style=""): string =
let pic = userpic.replace(re"_(normal|bigger|mini|200x200)(\.[A-z]+)$", "$2")
pic.replace(re"(\.[A-z]+)$", style & "$1")
proc getUserpic*(profile: Profile; style=""): string =
getUserPic(profile.userpic, style)
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proc getVideoEmbed*(id: string): string =
&"https://twitter.com/i/videos/{id}?embed_source=facebook"
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proc pageTitle*(profile: Profile): string =
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&"{profile.fullname} (@{profile.username})"
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proc pageDesc*(profile: Profile): string =
"The latest tweets from " & profile.fullname
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proc getTime*(tweet: Tweet): string =
tweet.time.format("d/M/yyyy', ' HH:mm:ss")
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proc getLink*(tweet: Tweet | Quote): string =
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&"/{tweet.profile.username}/status/{tweet.id}"