83 lines
2.5 KiB
Clojure
Executable file
83 lines
2.5 KiB
Clojure
Executable file
#^:shebang '[
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exec java -cp "$HOME/.m2/repository/org/clojure/clojure/1.7.0/clojure-1.7.0.jar" clojure.main "$0" "$@"]
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(require '[clojure.string :as str])
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(def file "FiraCode.glyphs")
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(println "Looking for ligatures in" file "...\n")
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;; [ ["dash" "greater" "greater"] ... ]
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(def ligas (->> (slurp file)
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(re-seq #"glyphname = ([a-z_]+)\.liga;")
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(map second)
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set
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(mapv #(vec (str/split % #"_")))))
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; (def ligas
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; [ ["hyphen" "greater"]
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; ["greater" "equal"]
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; ["equal" "greater"]
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; ["hyphen" "hyphen" "greater"]
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; ["equal" "equal" "greater"]
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; ["greater" "hyphen"]])
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; (def ligas
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; [ ["slash" "asterisk"]
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; ["slash" "asterisk" "asterisk"]
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; ["asterisk" "asterisk"]
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; ["asterisk" "asterisk" "asterisk"]])
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(defn liga->rule
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"[f f i] => { [CR CR i] f_f_i.liga
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[CR f i] CR
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[ f f i] CR }"
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[liga]
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(case (count liga)
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2 (let [[a b] liga]
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(str/replace
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(str " lookup 1_2 {\n"
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" ignore sub 1 1' 2;\n"
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" ignore sub 1' 2 2;\n"
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" sub CR 2' by 1_2.liga;\n"
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" sub 1' 2 by CR;\n"
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" } 1_2;")
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#"\d" {"1" a "2" b}))
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3 (let [[a b c] liga]
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(str/replace
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(str " lookup 1_2_3 {\n"
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" ignore sub 1 1' 2 3;\n"
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" ignore sub 1' 2 3 3;\n"
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" sub CR CR 3' by 1_2_3.liga;\n"
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" sub CR 2' 3 by CR;\n"
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" sub 1' 2 3 by CR;\n"
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" } 1_2_3;")
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#"\d" {"1" a "2" b "3" c}))
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4 (let [[a b c d] liga]
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(str/replace
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(str " lookup 1_2_3_4 {\n"
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" ignore sub 1 1' 2 3 4;\n"
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" ignore sub 1' 2 3 4 4;\n"
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" sub CR CR CR 4' by 1_2_3_4.liga;\n"
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" sub CR CR 3' 4 by CR;\n"
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" sub CR 2' 3 4 by CR;\n"
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" sub 1' 2 3 4 by CR;\n"
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" } 1_2_3_4;")
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#"\d" {"1" a "2" b "3" c "4" d}))))
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(println "feature calt {")
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(println (->> ligas (sort-by count) (reverse) (map liga->rule) (str/join "\n\n")))
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(println "}\n")
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(println "Total ligatures count:" (count ligas))
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(println " " (->> ligas
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(group-by count)
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(sort-by first)
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(map (fn [[k v]] (str (count v) (case k 2 " pairs", 3 " triples", 4 " quadruples"))))
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(str/join ", ")))
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(println)
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