127 lines
3.5 KiB
Clojure
Executable file
127 lines
3.5 KiB
Clojure
Executable file
(ns parse-glyphs
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(:require
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[clojure.java.io :as io]
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[fipp.edn :as fipp]))
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(def ^:dynamic *str)
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(def ^:dynamic *pos)
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(defn current-char [] (nth @*str @*pos))
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(defn advance! [] (swap! *pos inc))
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(declare parse-anything!)
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(defn skip-ws! []
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(loop []
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(case (current-char)
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\space (do (advance!) (recur))
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\newline (do (advance!) (recur))
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nil)))
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(defn parse-escaped-string! []
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(skip-ws!)
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(when (= \" (current-char))
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(let [sb (StringBuilder.)]
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(loop []
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(advance!)
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(let [ch (current-char)]
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(cond
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(= ch \\) (do (.append sb \\) (advance!) (.append sb (current-char)) (recur))
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(= ch \") (do (advance!) (str sb))
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:else (do (.append sb ch) (recur))))))))
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(defn parse-string! []
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(skip-ws!)
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(let [sb (StringBuilder.)]
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(loop []
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(let [ch (current-char)]
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(cond
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(#{\space \newline \{ \} \( \) \; \, \" \=} ch) sb
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:else (do (.append sb ch) (advance!) (recur)))))
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(let [res (str sb)]
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(cond
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(re-matches #"[0-9]+" res) (Integer/parseInt res)
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(re-matches #"[0-9]+\.[0-9]+" res) (Double/parseDouble res)
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(re-matches #"[a-zA-Z][a-zA-Z\.0-9]*" res) (keyword res)
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:else res))))
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(defn expect [c]
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(assert (= c (current-char)) (str "Expected '" c "', found " (current-char) " at " @*pos)))
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(defn parse-map! []
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(skip-ws!)
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(when (= \{ (current-char))
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(advance!)
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(loop [m {}]
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(skip-ws!)
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(if (= \} (current-char))
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(do (advance!) m)
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(let [k (or (parse-escaped-string!) (parse-string!))
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_ (do (skip-ws!) (expect \=) (advance!))
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v (parse-anything!)
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v (if (keyword? v) (name v) v)
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_ (do (skip-ws!) (expect \;) (advance!))]
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(recur (assoc m k v)))))))
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(defn parse-list! []
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(skip-ws!)
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(when (= \( (current-char))
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(advance!)
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(loop [l []]
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(skip-ws!)
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(if (= \) (current-char))
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(do (advance!) l)
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(let [v (parse-anything!)
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_ (skip-ws!)
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_ (when (not= \) (current-char))
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(expect \,)
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(advance!))]
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(recur (conj l v)))))))
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(defn parse-anything! []
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(skip-ws!)
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(or
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(parse-map!)
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(parse-list!)
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(parse-escaped-string!)
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(parse-string!)))
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(defn parse [s]
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(binding [*str (atom s)
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*pos (atom 0)]
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(parse-anything!)))
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(defn -main [& args]
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(let [font (-> (slurp "FiraCode.glyphs") parse)]
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(with-open [os (io/writer "clojure/FiraCode.edn")]
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(binding [*out* os]
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(fipp/pprint font {:width 200})))))
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(def weights {:Regular "UUID0"
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:Bold "BF448B58-7A35-489E-A1C9-12628F60690C"})
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(defn layer [l]
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{ :id (case (:layerId l)
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(:Regular weights) "Regular"
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(:Bold weights) "Bold"
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(:layerId l))
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:width (:width l) })
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(defn save-not600 []
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(let [font (-> (slurp "FiraCode.glyphs") parse)]
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(with-open [os (io/writer "clojure/FiraCode_not600.edn")]
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(binding [*out* os]
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(let [glyphs (for [glyph (:glyphs font)
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:when (->> (:layers glyph)
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(filter #(contains? (set (vals weights)) (:layerId %)))
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(every? #(= 600 (:width %)))
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(not))]
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{:glyphname (:glyphname glyph)
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:layers (mapv layer (:layers glyph))})]
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(doseq [glyph glyphs]
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(fipp/pprint glyph {:width 200}))
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(count glyphs))))))
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;; (-main)
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;; (save-not600) |