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(require 'cl-macs)
(require 'ht)
(require 'seq)
(require 's)
;; Type definitions for Russian structures
(cl-defstruct russian-word
"Definition and metadata of a single Russian word."
(word nil :type string)
(translations :type list
:documentation "List of lists of strings, each a set of translations.")
(notes nil :type list ;; of string
:documentation "free-form notes about this word")
(roots nil :type list ;; of string
:documentation "list of strings that correspond with roots (exact string match)"))
(defun russian--merge-words (previous new)
"Merge two Russian word definitions together. If no previous
definition exists, only the new one will be returned."
(if (not previous) new
(assert (equal (russian-word-word previous)
(russian-word-word new))
"different words passed into merge function")
(make-russian-word :word (russian-word-word previous)
:translations (-concat (russian-word-translations previous)
(russian-word-translations new))
:notes (-concat (russian-word-notes previous)
(russian-word-notes new))
:roots (-concat (russian-word-roots previous)
(russian-word-roots new)))))
;; Definitions for creating a data structure of all Russian words.
(defvar russian-words (make-hash-table)
"Table of all Russian words in the corpus.")
(defun russian--define-word (word)
"Define a single word in the corpus, optionally merging it with
another entry."
(let ((key (russian-word-word word)))
(ht-set russian-words key (russian--merge-words
(ht-get russian-words key)
word))))
(defmacro define-russian-words (&rest words)
"Define the list of all available words. There may be more than
one entry for a word in some cases."
(declare (indent defun))
;; Clear the table before proceeding with insertion
(setq russian-words (make-hash-table))
(seq-map
(lambda (word)
(russian--define-word (make-russian-word :word (car word)
:translations (cadr word)
:notes (caddr word)
:roots (cadddr word))))
words)
'(message "Defined %s unique words." (ht-size russian-words)))
;; Helpers to train Russian words when Emacs is idling.
(defun russian--format-word (word)
"Format a Russian word suitable for echo display."
(apply #'s-concat
(-flatten
(list (russian-word-word word)
" - "
(s-join ", " (russian-word-translations word))
(when-let ((roots (russian-word-roots word)))
(list " [" (s-join ", " roots) "]"))
(when-let ((notes (russian-word-notes word)))
(list " (" (s-join "; " notes) ")"))))))
(defvar russian--last-word nil
"Last randomly displayed Russian word")
(defun display-random-russian-word ()
(interactive)
(message (russian--format-word (seq-random-elt (ht-values russian-words)))))
(defvar russian--display-timer
(run-with-idle-timer 5 t #'display-random-russian-word))
(provide 'russian)
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