Add twtxt parsing library

src/.gitignore

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+twtxt

src/twtxt.nim

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+import json, httpclient, strutils, times
+
+const
+  ISOTime*: string = "yyyy-MM-dd'T'HH:mm:ss'.000000'zzz"
+
+type
+  Tweet* = object of RootObj
+    date*: TimeInfo
+    message*: string
+    username*: string
+
+proc `$`*(t: Tweet): string =
+  t.date.format(ISOTime) & "\t" & t.message
+
+proc `%`*(t: Tweet): JsonNode =
+  %*
+    {
+      "date": t.date.format(ISOTime),
+      "message": t.message,
+      "username": t.username,
+    }
+
+proc `%`*(s: seq[Tweet]): JsonNode =
+  result = newJArray()
+
+  for t in s.items():
+    result.add %t
+
+proc parseTweet*(user, inp: string): Tweet =
+  let
+    splitTweet = inp.split '\t'
+
+  if splitTweet.len != 2:
+    raise newException(ValueError, "Invalid tweet")
+
+  let
+    tdate = splitTweet[0].parse(ISOTime)
+    message = splitTweet[1]
+
+  Tweet(date: tdate,
+        message: message,
+        username: user)
+
+proc getTweetsFrom*(url: string, username: string): seq[Tweet] =
+  var res = newSeq[Tweet]()
+
+  let body = url.getContent()
+
+  for line in body.splitLines().items():
+    if line.len > 0:
+      res.add(username.parseTweet(line))
+
+  return res
+
+when isMainModule:
+  let
+    now = getLocalTime(getTime())
+    t: Tweet = Tweet(date: now,
+                     message: "Test message",
+                     username: "Xena")
+
+  const testInp = "2016-02-05T19:30:46.964649+00:00	This is a tweet via twtxt!"
+
+  echo "xena".parseTweet testInp
+
+  echo pretty(%t, 4)
+
+  echo pretty(%getTweetsFrom("https://xena.greedo.xeserv.us/files/xena.txt", "xena"), 4)

src/twtxt.nims

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+--define:ssl