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reddit1.0/scraper.lisp
Steve Huffman bb4fbdb587 Initial commit
2018-03-28 20:49:39 -07:00

32 lines
1.6 KiB
Common Lisp

;;;; Copyright 2018 Reddit, Inc.
;;;;
;;;; Permission is hereby granted, free of charge, to any person obtaining a copy of
;;;; this software and associated documentation files (the "Software"), to deal in
;;;; the Software without restriction, including without limitation the rights to
;;;; use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
;;;; of the Software, and to permit persons to whom the Software is furnished to do
;;;; so, subject to the following conditions:
;;;;
;;;; The above copyright notice and this permission notice shall be included in all
;;;; copies or substantial portions of the Software.
;;;;
;;;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
;;;; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
;;;; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
;;;; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
;;;; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
;;;; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
;;;; SOFTWARE.
(in-package #:reddit)
(defparameter *delicious-url* "http://del.icio.us/popular/")
(defparameter *delicious-scanner* (create-scanner "(?s)<div class=\"post\">.+?<a href=\"([^\"]+)\">([^<]+)</a>.+?by <a href=\"[^\"]+\">(\\w+?)</a>.+?>and ([\\d]+)"))
(defun delicious-articles (&optional (ending ""))
(let ((articles))
(do-register-groups (url title poster pop)
(*delicious-scanner* (website-string (concatenate 'string *delicious-url* ending)))
(push (list title url pop poster) articles))
(nreverse articles)))