mirror of https://codeberg.org/cage/tinmop/
46 lines
1.3 KiB
Common Lisp
46 lines
1.3 KiB
Common Lisp
;; tinmop: an humble gemini and pleroma client
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;; Copyright (C) 2021 cage
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;; This program is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program.
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;; If not, see [[http://www.gnu.org/licenses/][http://www.gnu.org/licenses/]].
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(in-package :tour-mode-parser)
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(define-constant +-separator+ "/" :test #'string=)
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(defrule digit (character-ranges (#\0 #\9))
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(:text t))
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(defrule range-delimter #\-)
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(defrule list-delimiter #\Space)
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(defrule number (and digit (* digit))
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(:text t)
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(:function parse-integer))
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(defstruct range from to)
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(defrule range (and number range-delimter number)
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(:function (lambda (a) (make-range :from (first a) :to (third a)))))
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(defrule tour-tail (? (and list-delimiter tour))
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(:function rest))
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(defrule tour (and (or range number) tour-tail)
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(:function flatten))
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(defun parse-tour-mode (data)
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(parse 'tour data))
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