e93006b4be
Round 1 (correctness + dead code): - Fix duplicate java.util.HashMap registration in host-static.ss: the alist impl shadowed the hashtable ctor while leaving the hashtable methods bound, so .keySet/.values/.remove/.clear crashed. Drop the alist version. - Delete jolt-core/jolt/reader.clj: a 463-line dead duplicate reader, never required or compiled (the live reader is host/chez/reader.ss) and drifted. - Remove dead defs: ir/rt + :rt op + unused ir/op; the Janet branch in clojure.edn/drain-reader; a shadowed first clojure.string/trim-newline; io.ss jolt-char-array + the reader def-var (both shadowed by natives-array); concurrency.ss jolt-future-done?*; compile-eval.ss jolt-analyze-emit. Round 2 (perf + determinism): - emit-quoted-map-value / quoted sets now emit sorted by emitted text instead of host-hash order, which isn't stable across Chez versions (jolt-8479). - jolt-into folds through a transient, so into/vec/mapv/filterv onto a vector are O(n) instead of O(n^2). - deps resolve-deps walks its queue with an index cursor (was subvec-per-pop). - async channel and agent action queues use amortized-O(1) FIFOs; ArrayList is backed by a growable vector (O(1) add/get) instead of a list.
148 lines
3.3 KiB
Clojure
148 lines
3.3 KiB
Clojure
; Jolt Standard Library: clojure.string
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; String manipulation functions using Jolt core string interop.
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(defn blank?
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[s]
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(if (nil? s) true
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(= 0 (count (str-trim s)))))
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(defn capitalize
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[s]
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(if (< 1 (count s))
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(str (str-upper (subs s 0 1))
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(str-lower (subs s 1)))
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(str-upper s)))
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(defn lower-case
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[s]
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(str-lower s))
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(defn upper-case
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[s]
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(str-upper s))
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(defn includes?
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[s substr]
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(not (nil? (str-find substr s))))
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(defn join
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([coll] (str-join coll))
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([separator coll] (str-join coll separator)))
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(defn replace
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[s match replacement]
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(str-replace-all match replacement s))
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(defn replace-first
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[s match replacement]
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(str-replace match replacement s))
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(defn reverse
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[s]
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(str-reverse-b s))
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(defn str-reverse
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[s]
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(str-reverse-b s))
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(defn split
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([s re] (split s re 0))
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([s re limit]
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;; Java Pattern.split semantics: limit > 0 caps the parts (trailing empties
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;; kept); limit < 0 splits fully and keeps trailing empties; limit 0 (the
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;; default) splits fully then drops trailing empty strings — but a no-match
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;; result ([input], the only 1-element case) is returned as-is.
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(let [parts (vec (str-split re s (if (pos? limit) limit nil)))]
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(if (and (zero? limit) (> (count parts) 1))
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(loop [v parts] (if (and (seq v) (= "" (peek v))) (recur (pop v)) v))
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parts))))
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(defn split-lines
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"Split s on \\n or \\r\\n, returning a vector of lines."
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[s]
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(vec (str-split #"\r?\n" s)))
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(defn starts-with?
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[s substr]
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(let [slen (count s) slen2 (count substr)]
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(and (>= slen slen2)
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(= (subs s 0 slen2) substr))))
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(defn ends-with?
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[s substr]
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(let [slen (count s) slen2 (count substr)]
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(and (>= slen slen2)
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(= (subs s (- slen slen2)) substr))))
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(defn trim
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[s]
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(str-trim s))
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(defn triml
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[s]
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(str-triml s))
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(defn trimr
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[s]
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(str-trimr s))
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(defn escape
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[s cmap]
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(apply str
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(map (fn [ch]
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(if-let [rep (cmap ch)] rep (str ch)))
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s)))
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(defn index-of
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"0-based index of the first occurrence of value in s, or nil."
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([s value]
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(str-find value s))
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([s value from]
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(let [idx (str-find value (subs s from))]
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(when idx (+ from idx)))))
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(defn last-index-of
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([s value]
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(let [r (str-reverse-b s) sval (str-reverse-b value)
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idx (str-find sval r)]
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(when idx (- (count s) (+ idx (count value))))))
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([s value from]
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(let [sub (subs s 0 from) r (str-reverse-b sub) sval (str-reverse-b value)
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idx (str-find sval r)]
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(when idx (- from (+ idx (count value)))))))
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(defn re-quote-replacement
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"Escape special characters (backslash and dollar) in a regex replacement
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string so it is used literally rather than interpreted."
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[replacement]
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(apply str
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(map (fn [ch]
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(let [c (str ch)]
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(if (or (= c "\\") (= c "$")) (str "\\" c) c)))
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(seq replacement))))
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;; Ported from clojure.string/trim-newline (CharSequence interop replaced with
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;; portable count/subs). Removes all trailing \n or \r characters.
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(defn trim-newline
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"Removes all trailing newline \\n or return \\r characters from
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string. Similar to Perl's chomp."
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[s]
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(loop [index (count s)]
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(if (zero? index)
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""
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(let [c (subs s (dec index) index)]
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(if (or (= c "\n") (= c "\r"))
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(recur (dec index))
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(subs s 0 index))))))
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