e17bcfd0af
The clojure.string case fns and searches now take any Object s through its toString like the reference's ^CharSequence signatures ((upper-case :kw) is ":KW", (capitalize 1) is "1"); nil throws, and a nil substr in starts-with?/ends-with? throws. some-fn re-ported with the reference arities: (some-fn) is an arity error and a no-match result is the last predicate's own falsy value (false, not nil). ifn? covers multimethods, promises (which are now invocable — calling one delivers, via a cold-path invoke-arm registry that costs the hot dispatch nothing), and deftypes implementing IFn's invoke. One structural find on the way: defmulti/defmethod deferred inside a fn body (the deftest pattern) interned/resolved in whatever namespace was current when they RAN, not the one they were written in — the macros now bake their expansion ns and the setups honor it. Also: Boolean/Integer/Double wrapper ctors, primitive TYPE statics (Integer/TYPE etc.), .reduce on collections (IReduce), and Long/TYPE. cts baseline 5857 -> 5904 pass, 58 -> 28 errors, 57 baselined namespaces — the string cluster, some-fn, ifn-qmark, boolean-qmark, and reduce namespaces are all fully clean. 7 JVM-certified corpus rows; spec entry.
755 lines
41 KiB
Scheme
755 lines
41 KiB
Scheme
;; java.io.File + host file I/O, implemented over Chez's filesystem
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;; primitives. A File is a
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;; path-backed jfile record: (instance? java.io.File f) is true, str/slurp coerce
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;; it to its path, and the File method surface (getName/getPath/exists/
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;; isDirectory/isFile/listFiles) dispatches through record-method-dispatch.
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;;
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;; Provides make-file/file?/slurp/spit/flush/dir?/
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;; list-dir for the overlay file-seq (20-coll.clj), which calls __file?/__dir?/
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;; __list-dir + the .isDirectory/.listFiles/.isFile method surface.
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;;
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;; Loaded LAST in rt.ss, after
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;; dot-forms.ss (so the jfile method arm wraps the fully-built dispatch) and
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;; natives-meta.ss / records.ss / printing.ss (jolt-type / instance-check /
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;; jolt-str-render-one, which it extends).
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(define-record-type jfile (fields path) (nongenerative jolt-jfile-v1))
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(define (jolt-file? x) (jfile? x))
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;; path string of any value: a jfile -> its path, else its str rendering.
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(define (file-path-of x) (if (jfile? x) (jfile-path x) (jolt-str-render-one x)))
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;; Resources baked into a standalone binary by `jolt build` (deps.edn
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;; :jolt/build :embed). The build emits a register-embedded-resource! per file at
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;; heap-build time, so the contents live in the boot image — io/resource serves
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;; them with no file on disk. An embedded hit reads through slurp/reader exactly
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;; like a jfile would.
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(define embedded-resources (make-hashtable equal-hash equal?))
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(define (register-embedded-resource! name content)
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(hashtable-set! embedded-resources name content))
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(define-record-type embedded-res (fields name content) (nongenerative jolt-embres-v1))
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;; --- self-contained build artifacts (jolt-eaj) ------------------------------
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;; A toolchain-free `jolt build` (the distributed joltc) carries the Chez
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;; petite/scheme boots and a prebuilt launcher stub baked into its own boot image.
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;; They live in the same table as embedded-resources, but keyed under bytevector
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;; values (register-embedded-bytes!) rather than strings; resolve-on-roots /
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;; io/resource only ever ask for the string-keyed source entries, so the two
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;; coexist. The build driver reads them at heap-build time from files that exist
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;; only on the dev machine.
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(define (register-embedded-bytes! name bv) (hashtable-set! embedded-resources name bv))
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(define (jolt-embedded-bytes name)
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(let ((v (hashtable-ref embedded-resources name #f)))
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(and (bytevector? v) v)))
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;; Read a whole file as a bytevector ("" -> empty). Used to slurp boot/stub files.
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(define (read-file-bytes path)
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(let ((p (open-file-input-port path)))
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(let ((bv (get-bytevector-all p)))
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(close-port p)
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(if (eof-object? bv) (bytevector) bv))))
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;; Write an embedded bytevector resource out to a path. make-boot-file needs the
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;; petite/scheme boots as files, so they are spilled to scratch before the call.
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(define (jolt-spill-embedded! name path)
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(let ((bv (jolt-embedded-bytes name)))
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(unless bv (error 'jolt-spill-embedded! "no embedded bytes for" name))
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(let ((p (open-file-output-port path (file-options no-fail) (buffer-mode block))))
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(put-bytevector p bv)
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(close-port p))))
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;; Frame an app boot onto a file that already holds the stub bytes. Layout:
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;; [stub][boot][boot-length:le64]["JOLTBOOT"]. The stub (host/chez/stub/launcher.c)
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;; reads the trailing 16 bytes — the 8-byte magic, then the preceding 8-byte LE
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;; length — to locate and register the boot, so a boot that itself contains the
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;; magic bytes can't be mistaken for the frame.
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(define jolt-payload-magic (string->utf8 "JOLTBOOT"))
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(define (jolt-append-payload! path boot-bv)
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(let ((head (read-file-bytes path))) ; the stub bytes already written
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(let ((p (open-file-output-port path (file-options no-fail) (buffer-mode block)))
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(lb (make-bytevector 8 0)))
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(bytevector-u64-set! lb 0 (bytevector-length boot-bv) (endianness little))
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(put-bytevector p head)
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(put-bytevector p boot-bv)
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(put-bytevector p lb)
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(put-bytevector p jolt-payload-magic)
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(close-port p))))
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;; chmod 0755 via libc, so the produced binary is executable. load-shared-object
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;; with #f pulls the running process's own symbols (chmod is in libc, linked into
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;; every Chez binary) — no external toolchain. Falls back to /bin/sh chmod if the
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;; symbol can't be resolved.
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(define jolt-chmod-755
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(let ((c (guard (e (#t #f))
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(load-shared-object #f)
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(foreign-procedure "chmod" (string int) int))))
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(lambda (path)
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(if c
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(c path #o755)
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(system (string-append "chmod 755 '" path "'"))))))
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;; A user-facing relative path resolves against JOLT_PWD — the user's cwd before
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;; the launcher cd'd to the jolt repo root — matching the JVM, where io/file is
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;; cwd-relative. (io/resource builds jfiles from the source roots directly, so it
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;; isn't routed through here.)
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(define (project-relative p)
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(if (or (= (string-length p) 0) (char=? (string-ref p 0) #\/))
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p
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(let ((pwd (getenv "JOLT_PWD")))
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(if (and pwd (> (string-length pwd) 0)) (string-append pwd "/" p) p))))
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;; (io/file path) / (io/file parent child) — join children with "/". The File
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;; keeps the path AS GIVEN (like the JVM: new File("rel").getPath() is "rel");
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;; a relative path resolves against JOLT_PWD only when the filesystem is touched
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;; (jfile-fs / slurp / spit / the stream constructors).
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(define (jolt-make-file path . rest)
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(let loop ((p (file-path-of path)) (cs rest))
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(if (null? cs) (make-jfile p)
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(loop (string-append p "/" (file-path-of (car cs))) (cdr cs)))))
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;; the on-disk path of a value: a relative path resolves against JOLT_PWD.
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(define (jfile-fs f) (project-relative (file-path-of f)))
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(define (path-last-segment p)
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(let loop ((i (- (string-length p) 1)))
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(cond ((< i 0) p)
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((char=? (string-ref p i) #\/) (substring p (+ i 1) (string-length p)))
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(else (loop (- i 1))))))
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;; directory children as full paths, sorted (the __list-dir seed primitive).
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(define (jolt-list-dir path)
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(let ((p (project-relative (file-path-of path))))
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(map (lambda (e) (string-append p "/" e))
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(sort string<? (directory-list p)))))
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(define (jolt-dir? path) (if (file-directory? (project-relative (file-path-of path))) #t #f))
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;; absolute path string (cwd-relative paths resolved against current-directory).
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(define (jfile-abs p)
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(if (and (> (string-length p) 0) (char=? (string-ref p 0) #\/)) p
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(string-append (current-directory) "/" p)))
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;; --- file metadata over Chez filesystem ops ---------------------------------
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;; byte size of a regular file (0 for a directory or a missing file).
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(define (file-byte-size p)
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(if (or (not (file-exists? p)) (file-directory? p)) 0
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(let ((port (open-file-input-port p))) (let ((n (file-length port))) (close-port port) n))))
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;; last-modified as epoch milliseconds (0 if the file is absent).
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(define (file-mtime-millis p)
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(if (file-exists? p)
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(let ((t (file-modification-time p)))
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(+ (* (time-second t) 1000) (div (time-nanosecond t) 1000000)))
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0))
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;; mkdir -p: create p and any missing parents. Returns #t if p ends up a dir.
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(define (mkdirs! p)
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(unless (or (= 0 (string-length p)) (file-exists? p))
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(let loop ((i (- (string-length p) 1)))
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(cond ((<= i 0) #f)
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((char=? (string-ref p i) #\/)
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(let ((parent (substring p 0 i))) (unless (file-exists? parent) (mkdirs! parent))))
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(else (loop (- i 1)))))
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(guard (e (#t #f)) (mkdir p)))
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(and (file-exists? p) (file-directory? p)))
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;; delete a file or an (empty) directory; #t on success.
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(define (delete-path! p)
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(guard (e (#t #f))
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(cond ((not (file-exists? p)) #f)
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((file-directory? p) (delete-directory p) #t)
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(else (delete-file p) #t))))
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;; --- java.net.URL (a jhost "url", state #(spec)) ----------------------------
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;; A File.toURL value: .toString / .toExternalForm give the spec, .getPath /
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;; .getFile strip the "file:" scheme.
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(define (make-url spec) (make-jhost "url" (vector spec)))
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(define (url-spec u) (vector-ref (jhost-state u) 0))
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(define (url-strip-scheme spec)
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(if (and (>= (string-length spec) 5) (string=? (substring spec 0 5) "file:"))
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(substring spec 5 (string-length spec)) spec))
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(define (url-protocol spec)
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(let ((i (let loop ((j 0)) (cond ((>= j (string-length spec)) #f)
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((char=? (string-ref spec j) #\:) j) (else (loop (+ j 1)))))))
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(if i (substring spec 0 i) "")))
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;; (java.net.URL. spec) — a basic file/http URL value (a library may register a
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;; richer URL shim, which overrides this).
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(register-class-ctor! "URL" (lambda (spec . _) (make-url (jolt-str-render-one spec))))
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(register-class-ctor! "java.net.URL" (lambda (spec . _) (make-url (jolt-str-render-one spec))))
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(register-host-methods! "url"
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(list (cons "toString" (lambda (self) (url-spec self)))
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(cons "toExternalForm" (lambda (self) (url-spec self)))
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(cons "getProtocol" (lambda (self) (url-protocol (url-spec self))))
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(cons "getPath" (lambda (self) (url-strip-scheme (url-spec self))))
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(cons "getFile" (lambda (self) (url-strip-scheme (url-spec self))))))
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;; --- File method surface (record-method-dispatch arm) -----------------------
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(define (jfile-method f name args) ; -> boxed result, or #f to fall through
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(let ((p (jfile-path f)) ; the path as given (display methods)
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(fp (jfile-fs f))) ; JOLT_PWD-resolved on-disk path (FS methods)
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(cond
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((string=? name "getPath") (list p))
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((string=? name "getName") (list (path-last-segment p)))
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((string=? name "toString") (list p))
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((string=? name "getAbsolutePath")(list (jfile-abs fp)))
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((string=? name "getCanonicalPath")(list (jfile-abs fp)))
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((string=? name "toURI") (list (string-append "file:" (jfile-abs fp))))
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((string=? name "toURL") (list (make-url (string-append "file:" (jfile-abs fp)))))
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;; io/resource returns a File where the JVM returns a file: URL; answer the
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;; two URL methods resource-serving middleware (ring) calls on the result, so
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;; it sees a "file" protocol and a path without changing the return type.
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((string=? name "getProtocol") (list "file"))
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((string=? name "getFile") (list (jfile-abs fp)))
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((string=? name "exists") (list (if (file-exists? fp) #t #f)))
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((string=? name "isDirectory") (list (if (file-directory? fp) #t #f)))
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((string=? name "isFile") (list (if (and (file-exists? fp) (not (file-directory? fp))) #t #f)))
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((string=? name "isAbsolute") (list (if (and (> (string-length p) 0) (char=? (string-ref p 0) #\/)) #t #f)))
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((string=? name "listFiles") (list (list->cseq (map make-jfile (jolt-list-dir fp)))))
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;; .list -> the child NAMES (a String[]), nil if not a directory.
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((string=? name "list")
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(list (if (file-directory? fp)
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(apply jolt-vector (sort string<? (directory-list fp)))
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jolt-nil)))
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((string=? name "length") (list (->num (file-byte-size fp))))
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((string=? name "lastModified") (list (->num (file-mtime-millis fp))))
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((string=? name "canRead") (list (if (file-exists? fp) #t #f)))
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((string=? name "canWrite") (list (if (file-exists? fp) #t #f)))
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((string=? name "canExecute") (list (if (file-exists? fp) #t #f)))
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((string=? name "isHidden") (list (let ((nm (path-last-segment p)))
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(if (and (> (string-length nm) 0) (char=? (string-ref nm 0) #\.)) #t #f))))
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((string=? name "mkdir") (list (guard (e (#t #f)) (and (not (file-exists? fp)) (begin (mkdir fp) #t)))))
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((string=? name "mkdirs") (list (if (mkdirs! fp) #t #f)))
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((string=? name "delete") (list (if (delete-path! fp) #t #f)))
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((string=? name "deleteOnExit") (list jolt-nil))
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((string=? name "setLastModified")(list #t))
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((string=? name "createNewFile")
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(list (if (file-exists? fp) #f
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(guard (e (#t #f)) (close-port (open-output-file fp 'truncate)) #t))))
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((string=? name "renameTo")
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(list (let ((dst (jfile-fs (car args)))) (guard (e (#t #f)) (rename-file fp dst) #t))))
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((string=? name "getParentFile")
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(let loop ((i (- (string-length p) 1)))
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(cond ((< i 0) (list jolt-nil))
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((char=? (string-ref p i) #\/) (list (make-jfile (if (= i 0) "/" (substring p 0 i)))))
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(else (loop (- i 1))))))
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((string=? name "getAbsoluteFile") (list (make-jfile (jfile-abs p))))
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((string=? name "getCanonicalFile") (list (make-jfile (jfile-abs p))))
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((string=? name "compareTo") (list (->num (let ((o (file-path-of (car args))))
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(cond ((string<? p o) -1) ((string>? p o) 1) (else 0))))))
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((string=? name "equals") (list (and (jfile? (car args)) (string=? p (jfile-path (car args))))))
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((string=? name "hashCode") (list (->num (string-hash p))))
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((string=? name "getParent")
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(let loop ((i (- (string-length p) 1)))
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(cond ((< i 0) (list jolt-nil))
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((char=? (string-ref p i) #\/) (list (if (= i 0) "/" (substring p 0 i))))
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(else (loop (- i 1))))))
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(else #f))))
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(register-method-arm! 41
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(lambda (obj method-name rest-args)
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(if (jfile? obj)
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(let* ((rest (if (jolt-nil? rest-args) '() (seq->list rest-args)))
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(r (jfile-method obj method-name rest)))
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(if r (car r) (error #f "no File method" method-name)))
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'pass)))
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;; .isDirectory / .listFiles emit to jolt-host-call (rt.ss), not record-method-
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;; dispatch — the shims there assume a path STRING target. Make them jfile-aware
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;; so file-seq's File branch works.
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(define %io-host-call jolt-host-call)
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(set! jolt-host-call
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(lambda (method target . args)
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(cond
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((and (jfile? target) (string=? method "isDirectory"))
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(if (file-directory? (jfile-fs target)) #t #f))
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((and (jfile? target) (string=? method "listFiles"))
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(list->cseq (map make-jfile (jolt-list-dir target))))
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(else (apply %io-host-call method target args)))))
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;; --- slurp / spit / flush ---------------------------------------------------
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(define (read-file-string path)
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(let ((p (open-input-file path)))
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(let ((s (get-string-all p))) (close-port p) (if (eof-object? s) "" s))))
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;; Drain a jhost reader (StringReader / PushbackReader): read code units from the
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;; current position to EOF (-1) and assemble the string. Used by slurp; advances
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;; the reader, as on the JVM.
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(define (drain-reader r)
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(let loop ((acc '()))
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(let ((u (record-method-dispatch r "read" jolt-nil)))
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(if (or (jolt-nil? u) (and (number? u) (< u 0)))
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(list->string (reverse acc))
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(loop (cons (integer->char (exact (truncate u))) acc))))))
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(define (reader-jhost? x)
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(and (jhost? x) (member (jhost-tag x) '("string-reader" "pushback-reader"))))
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;; Refill a host reader so subsequent read/slurp see `s` (the unconsumed tail).
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(define (reader-refill! r s)
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(cond
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((string=? (jhost-tag r) "string-reader")
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(vector-set! (jhost-state r) 0 s) (vector-set! (jhost-state r) 1 0))
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((string=? (jhost-tag r) "pushback-reader")
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(vector-set! (jhost-state r) 0 (host-new "StringReader" s))
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(vector-set! (jhost-state r) 1 '()))))
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;; Read ONE form from a host reader (StringReader/PushbackReader): drain the
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;; remaining chars, parse one form, push the tail back. -> (values form found?).
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;; (read r) over a java.io reader — cuerdas' interpolation reads this way.
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(define (host-reader-read-form r)
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(let* ((s (drain-reader r)) (pr (jolt-parse-next s)))
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(if (jolt-nil? pr)
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(begin (reader-refill! r "") (values jolt-nil #f))
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(begin (reader-refill! r (jolt-nth pr 1)) (values (jolt-nth pr 0) #t)))))
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;; clojure.edn/read over a reader: drain the jhost reader to a string and read the
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;; first EDN form (read-string). Re-asserted over the prelude in post-prelude.ss.
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(define (chez-edn-read reader)
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(jolt-invoke (var-deref "clojure.core" "read-string")
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(if (reader-jhost? reader) (drain-reader reader) (jolt-str-render-one reader))))
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;; line-seq: an io/reader is a jhost StringReader. Drain it (or take a string)
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;; and split on newline; a trailing newline does NOT yield a final empty line
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;; (like readLine -> nil at EOF). Re-asserted in post-prelude.ss.
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(define (chez-lines s)
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(let loop ((cs (string->list s)) (cur '()) (acc '()))
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(cond ((null? cs) (reverse (if (null? cur) acc (cons (list->string (reverse cur)) acc))))
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((char=? (car cs) #\newline) (loop (cdr cs) '() (cons (list->string (reverse cur)) acc)))
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(else (loop (cdr cs) (cons (car cs) cur) acc)))))
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(define (chez-line-seq rdr)
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(list->cseq (chez-lines (cond ((string? rdr) rdr)
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((reader-jhost? rdr) (drain-reader rdr))
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(else (jolt-str-render-one rdr))))))
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;; (slurp src :encoding "...") — pull the charset from the trailing kwargs.
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(define (slurp-encoding opts)
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(let loop ((o opts))
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(cond ((or (null? o) (null? (cdr o))) '())
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((and (keyword-t? (car o)) (string=? (keyword-t-name (car o)) "encoding"))
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(list (jolt-str-render-one (cadr o))))
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(else (loop (cddr o))))))
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;; drain a byte input-stream shim (tagged-table) one byte at a time to a bytevector.
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(define (drain-byte-stream src)
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(let loop ((acc '()))
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(let ((b (record-method-dispatch src "read" jolt-nil)))
|
|
(if (or (jolt-nil? b) (and (number? b) (< b 0)))
|
|
(u8-list->bytevector (reverse acc))
|
|
(loop (cons (bitwise-and (jnum->exact b) #xff) acc))))))
|
|
(define (jolt-slurp src . opts)
|
|
(cond
|
|
((jfile? src) (read-file-string (jfile-fs src)))
|
|
((embedded-res? src) (embedded-res-content src))
|
|
((reader-jhost? src) (drain-reader src))
|
|
;; bytes (a bytevector or a jolt byte-array): decode with :encoding (UTF-8
|
|
;; default). clj-http-lite slurps response-body byte arrays.
|
|
((bytevector? src) (decode-bytevector src (slurp-encoding opts)))
|
|
((and (jolt-array? src) (eq? (jolt-array-kind src) 'byte))
|
|
(decode-bytevector (na-bytearray->bv src) (slurp-encoding opts)))
|
|
;; a byte input-stream shim (e.g. clj-http-lite's :as :stream body): drain it.
|
|
((and (htable? src) (jolt-truthy? (jolt-ref-get src (keyword "jolt" "input-stream"))))
|
|
(decode-bytevector (drain-byte-stream src) (slurp-encoding opts)))
|
|
((string? src) (read-file-string (project-relative src)))
|
|
(else (error #f "slurp: unsupported source" src))))
|
|
|
|
(define (spit-append? opts)
|
|
(let loop ((o opts))
|
|
(cond ((or (null? o) (null? (cdr o))) #f)
|
|
((and (keyword-t? (car o)) (string=? (keyword-t-name (car o)) "append")
|
|
(jolt-truthy? (cadr o))) #t)
|
|
(else (loop (cddr o))))))
|
|
|
|
(define (jolt-spit path content . opts)
|
|
(let* ((p (project-relative (file-path-of path)))
|
|
(port (open-output-file p (if (spit-append? opts) 'append 'truncate))))
|
|
(put-string port (jolt-str-render-one content))
|
|
(close-port port)
|
|
jolt-nil))
|
|
|
|
(define (jolt-flush) (flush-output-port (current-output-port)) jolt-nil)
|
|
|
|
;; --- str / type / instance? integration ------------------------------------
|
|
;; str of a jfile is its path (Clojure's File.toString).
|
|
(register-str-render! jfile? jfile-path)
|
|
|
|
;; stdin line seam: the clojure.core *in* reader (50-io.clj) drives read-line /
|
|
;; read / read+string through __stdin-read-line. Return the next line (newline
|
|
;; stripped) or nil at EOF. Without this, (read-line) and the REPL call nil.
|
|
(def-var! "clojure.core" "__stdin-read-line"
|
|
(lambda () (let ((l (get-line (current-input-port)))) (if (eof-object? l) jolt-nil l))))
|
|
|
|
;; (type f) -> :jolt/file (the tagged-file :jolt/type). Re-def-var!
|
|
;; "type": natives-meta.ss already bound the var to the old jolt-type value, so the
|
|
;; set! alone (which updates the symbol for internal callers) wouldn't reach it.
|
|
(define io-kw-file (keyword "jolt" "file"))
|
|
(define %io-type jolt-type)
|
|
(set! jolt-type (lambda (x) (if (jfile? x) io-kw-file (%io-type x))))
|
|
|
|
;; (instance? java.io.File f): the instance? macro passes the class-name symbol;
|
|
;; match "File" / "java.io.File" (and any *.File) against a jfile.
|
|
(register-instance-check-arm!
|
|
(lambda (type-sym val)
|
|
(let ((tname (symbol-t-name type-sym)))
|
|
(if (and (jfile? val)
|
|
(or (string=? tname "File") (string=? tname "java.io.File")
|
|
(string=? (path-last-segment tname) "File")))
|
|
#t
|
|
'pass))))
|
|
|
|
;; --- def-var! the native names the overlay file-seq + str/slurp use ----
|
|
(def-var! "clojure.core" "__make-file" jolt-make-file)
|
|
(def-var! "clojure.core" "__file?" jolt-file?)
|
|
(def-var! "clojure.core" "__dir?" jolt-dir?)
|
|
(def-var! "clojure.core" "__list-dir" (lambda (p) (list->cseq (jolt-list-dir p))))
|
|
(def-var! "clojure.core" "slurp" jolt-slurp)
|
|
(def-var! "clojure.core" "spit" jolt-spit)
|
|
(def-var! "clojure.core" "flush" jolt-flush)
|
|
|
|
;; --- with-open's close seam (__close): a map-like value closes via its :close
|
|
;; fn; a jhost reader/writer/file via its .close method (a no-op here); anything
|
|
;; else is an error.
|
|
(define (jolt-close x)
|
|
(cond
|
|
((jolt-nil? x) jolt-nil)
|
|
((and (jhost? x) (member (jhost-tag x) '("string-reader" "pushback-reader" "writer"
|
|
"file-writer" "port-writer" "print-writer")))
|
|
(record-method-dispatch x "close" jolt-nil) jolt-nil)
|
|
;; a library's stream shim (tagged-table) closes via its registered .close
|
|
;; method (a no-op for in-memory streams); absent method -> no-op.
|
|
((htable? x) (guard (e (#t jolt-nil)) (record-method-dispatch x "close" jolt-nil)) jolt-nil)
|
|
((jfile? x) jolt-nil)
|
|
;; a deftype/defrecord that implements a `close` method (java.io.Closeable /
|
|
;; AutoCloseable, e.g. tools.reader's reader types) closes through it — the
|
|
;; same method (.close x) would dispatch to.
|
|
((and (jrec? x) (jrec-cl x "close"))
|
|
(record-method-dispatch x "close" jolt-nil) jolt-nil)
|
|
(else
|
|
(let ((closef (jolt-get x (keyword #f "close") jolt-nil)))
|
|
(if (and (not (jolt-nil? closef)) (procedure? closef))
|
|
(begin (jolt-invoke closef) jolt-nil)
|
|
(error #f "with-open: don't know how to close" x))))))
|
|
(def-var! "clojure.core" "__close" jolt-close)
|
|
|
|
;; --- clojure.java.io/reader: an in-memory java.io.Reader over the source. An
|
|
;; existing reader passes through; a File / path / URL is slurped; a char[] (or
|
|
;; any seq) becomes a reader over (apply str …). Mirrors io.clj's reader. Returns
|
|
;; a StringReader (host-static.ss jhost) so .read/.mark/.reset and slurp work.
|
|
(define (seq-source->string x)
|
|
(apply string-append (map jolt-str-render-one (seq->list x))))
|
|
;; io/reader returns an in-memory StringReader (the full Reader contract incl.
|
|
;; (read), mark/reset and pushback). The streaming java.io.FileReader /
|
|
;; BufferedReader classes (io-streams.ss) read a Chez port directly when a caller
|
|
;; wants to avoid loading the whole source.
|
|
(define (jolt-io-reader x)
|
|
(cond
|
|
((reader-jhost? x) x)
|
|
((jfile? x) (host-new "StringReader" (read-file-string (jfile-fs x))))
|
|
((embedded-res? x) (host-new "StringReader" (embedded-res-content x)))
|
|
((and (jhost? x) (string=? (jhost-tag x) "url"))
|
|
(host-new "StringReader" (read-file-string (url-strip-scheme (url-spec x)))))
|
|
((string? x) (host-new "StringReader" (read-file-string (project-relative x))))
|
|
((or (cseq? x) (empty-list-t? x) (pvec? x))
|
|
(host-new "StringReader" (seq-source->string x)))
|
|
(else (host-new "StringReader" (jolt-str-render-one x)))))
|
|
|
|
;; --- clojure.java.io/writer: an existing writer passes through; a File / path
|
|
;; gets a file-backed writer (host-static.ss "file-writer") that persists on
|
|
;; flush/close. Mirrors io.clj's writer over the host's StringWriter/file ports.
|
|
(define (jolt-io-writer x)
|
|
(cond
|
|
((and (jhost? x) (string=? (jhost-tag x) "writer")) x)
|
|
((and (jhost? x) (string=? (jhost-tag x) "file-writer")) x)
|
|
((jfile? x) (make-jhost "file-writer" (vector (jfile-path x) "")))
|
|
((string? x) (make-jhost "file-writer" (vector x "")))
|
|
(else (error #f "io/writer: don't know how to create a writer from" x))))
|
|
|
|
;; --- clojure.java.io ns -----------------------------------------------------
|
|
(def-var! "clojure.java.io" "file" jolt-make-file)
|
|
(def-var! "clojure.java.io" "as-file" (lambda (x) (if (jfile? x) x (make-jfile (file-path-of x)))))
|
|
;; "reader" is bound by natives-array.ss (loaded later) so a char[] argument is
|
|
;; handled; that binding delegates here via jolt-io-reader for everything else.
|
|
(def-var! "clojure.java.io" "writer" jolt-io-writer)
|
|
(def-var! "clojure.java.io" "input-stream" jolt-io-reader)
|
|
(def-var! "clojure.java.io" "output-stream" jolt-io-writer)
|
|
;; resource: jolt has no classpath, so a named resource is resolved against the
|
|
;; loader's source roots (a project's :paths, e.g. "resources"). Returns a File
|
|
;; (slurp/reader-able) for the first match, else nil. get-source-roots is the
|
|
;; loader's accessor (loader.ss), resolved at call time — the runtime CLI loads it.
|
|
(define (jolt-io-resource name)
|
|
(let* ((nm (jolt-str-render-one name))
|
|
(emb (hashtable-ref embedded-resources nm #f)))
|
|
(if emb (make-embedded-res nm emb)
|
|
(let loop ((roots (get-source-roots)))
|
|
(cond ((null? roots) jolt-nil)
|
|
((file-exists? (string-append (car roots) "/" nm)) (make-jfile (string-append (car roots) "/" nm)))
|
|
(else (loop (cdr roots))))))))
|
|
(def-var! "clojure.java.io" "resource" jolt-io-resource)
|
|
;; as-url honors a library-registered URL class (e.g. jolt-lang/http-client's full
|
|
;; java.net.URL shim) so io/as-url and (URL. spec) agree; else the file-only jhost.
|
|
(def-var! "clojure.java.io" "as-url"
|
|
(lambda (x)
|
|
(cond ((and (jhost? x) (string=? (jhost-tag x) "url")) x)
|
|
((htable? x) x)
|
|
(else (let ((ctor (lookup-class class-ctors-tbl "URL")))
|
|
(if ctor (ctor (jolt-str-render-one x)) (make-url (jolt-str-render-one x))))))))
|
|
|
|
;; --- java.lang.ClassLoader --------------------------------------------------
|
|
;; jolt has no classpath; a "classloader" resolves a named resource against the
|
|
;; loader's source roots (the same model as clojure.java.io/resource), returning a
|
|
;; file: URL or nil. getSystemClassLoader / a thread's contextClassLoader both hand
|
|
;; back this loader. Libraries that probe the classpath (e.g. migratus's migration-
|
|
;; dir discovery) then fall back to the filesystem when a resource isn't a root.
|
|
(define the-classloader (make-jhost "classloader" (vector)))
|
|
(define (cl-get-resource self name)
|
|
(let ((nm (jolt-str-render-one name)))
|
|
(let loop ((roots (get-source-roots)))
|
|
(cond ((null? roots) jolt-nil)
|
|
((file-exists? (string-append (car roots) "/" nm))
|
|
(make-url (string-append "file:" (car roots) "/" nm)))
|
|
(else (loop (cdr roots)))))))
|
|
;; getResources: every source root that holds the named resource, as file: URLs
|
|
;; (enumeration-seq just calls seq, so a list serves). ring's static-resource
|
|
;; symlink check enumerates these to confirm a served file sits under a root.
|
|
(define (cl-get-resources self name)
|
|
(let ((nm (jolt-str-render-one name)))
|
|
(let loop ((roots (get-source-roots)) (acc '()))
|
|
(cond ((null? roots) (list->cseq (reverse acc)))
|
|
((file-exists? (string-append (car roots) "/" nm))
|
|
(loop (cdr roots) (cons (make-url (string-append "file:" (car roots) "/" nm)) acc)))
|
|
(else (loop (cdr roots) acc))))))
|
|
(register-host-methods! "classloader"
|
|
(list (cons "getResource" cl-get-resource)
|
|
(cons "getResources" cl-get-resources)
|
|
(cons "getResourceAsStream"
|
|
(lambda (self name)
|
|
(let ((u (cl-get-resource self name)))
|
|
(if (jolt-nil? u) jolt-nil (host-new "StringReader" (jolt-slurp (url-strip-scheme (url-spec u))))))))))
|
|
(register-class-statics! "ClassLoader" (list (cons "getSystemClassLoader" (lambda () the-classloader))))
|
|
(register-class-statics! "java.lang.ClassLoader" (list (cons "getSystemClassLoader" (lambda () the-classloader))))
|
|
;; clojure.lang.RT/baseLoader — the resource-resolving class loader (RT/baseLoader
|
|
;; is how libraries reach Clojure's base loader, e.g. aws-api's resources ns).
|
|
(register-class-statics! "RT" (list (cons "baseLoader" (lambda () the-classloader))))
|
|
(register-class-statics! "clojure.lang.RT" (list (cons "baseLoader" (lambda () the-classloader))))
|
|
;; clojure.lang.RT/nextID — process-unique increasing id (AtomicInteger(1)
|
|
;; getAndIncrement), used by id generators such as core.logic's lvar.
|
|
(define rt-next-id-counter 1)
|
|
(define (rt-next-id)
|
|
(let ((v rt-next-id-counter))
|
|
(set! rt-next-id-counter (+ rt-next-id-counter 1))
|
|
v))
|
|
(register-class-statics! "RT" (list (cons "nextID" rt-next-id)))
|
|
(register-class-statics! "clojure.lang.RT" (list (cons "nextID" rt-next-id)))
|
|
;; clojure.lang.Util — hash/equality helpers libraries call directly (core.logic's
|
|
;; LCons.hashCode uses Util/hash). hash = Java hashCode (0 for nil); hasheq = the
|
|
;; value hash jolt's = uses; equiv = value equality; identical = reference identity.
|
|
(let ((util-statics
|
|
(list (cons "hash" (lambda (x) (if (jolt-nil? x) 0 (record-method-dispatch x "hashCode" jolt-nil))))
|
|
(cons "hasheq" (lambda (x) (jolt-hash x)))
|
|
(cons "equiv" (lambda (a b) (if (jolt= a b) #t #f)))
|
|
(cons "identical" (lambda (a b) (if (eq? a b) #t #f))))))
|
|
(register-class-statics! "Util" util-statics)
|
|
(register-class-statics! "clojure.lang.Util" util-statics))
|
|
;; Thread/currentThread -> a fresh thread jhost wrapping THIS thread's interrupt
|
|
;; flag (the box from current-interrupt-box, host-static.ss), so .interrupt from
|
|
;; any thread sets the target thread's flag and .isInterrupted reads it without
|
|
;; clearing (instance semantics; the static Thread/interrupted reads-and-clears).
|
|
;; getContextClassLoader hands back the loader.
|
|
(register-host-methods! "thread"
|
|
(list (cons "getContextClassLoader" (lambda (self) the-classloader))
|
|
(cons "getName" (lambda (self) "main"))
|
|
;; no reified call stack (jolt does TCO, so caller frames are erased) — an
|
|
;; empty StackTraceElement[]. clojure.spec.test.alpha's instrument reads it
|
|
;; to name the caller var; it degrades to no ::caller, the conform error
|
|
;; (the ExceptionInfo) is still thrown.
|
|
(cons "getStackTrace" (lambda (self) (jolt-vector)))
|
|
(cons "interrupt" (lambda (self)
|
|
(when (box? (jhost-state self)) (set-box! (jhost-state self) #t))
|
|
jolt-nil))
|
|
(cons "isInterrupted" (lambda (self)
|
|
(and (box? (jhost-state self)) (unbox (jhost-state self)) #t)))))
|
|
(define (current-thread-handle) (make-jhost "thread" (current-interrupt-box)))
|
|
(register-class-statics! "Thread" (list (cons "currentThread" current-thread-handle)))
|
|
(register-class-statics! "java.lang.Thread" (list (cons "currentThread" current-thread-handle)))
|
|
|
|
;; --- java.io.File / java.util.UUID constructors -----------------------------
|
|
;; (java.io.File. parent child) joins with "/"; (File. path) wraps the path.
|
|
(register-class-ctor! "File"
|
|
(lambda (a . rest)
|
|
(if (pair? rest)
|
|
(jolt-make-file (string-append (file-path-of a) "/" (file-path-of (car rest))))
|
|
(jolt-make-file a))))
|
|
;; File statics: the platform separators plus createTempFile / listRoots.
|
|
(define temp-file-counter 0)
|
|
(define (file-create-temp prefix suffix . dir)
|
|
(let* ((d (cond ((pair? dir) (file-path-of (car dir)))
|
|
((getenv "TMPDIR") => (lambda (t) t))
|
|
(else "/tmp")))
|
|
(sfx (if (or (null? (list suffix)) (jolt-nil? suffix)) ".tmp" (jolt-str-render-one suffix))))
|
|
(set! temp-file-counter (+ temp-file-counter 1))
|
|
(let loop ((n temp-file-counter))
|
|
(let ((p (string-append d "/" (jolt-str-render-one prefix)
|
|
(number->string (now-millis)) "-" (number->string n) sfx)))
|
|
(if (file-exists? p) (loop (+ n 1))
|
|
(begin (close-port (open-output-file p 'truncate)) (make-jfile p)))))))
|
|
(let ((statics (list (cons "separator" "/")
|
|
(cons "separatorChar" #\/)
|
|
(cons "pathSeparator" ":")
|
|
(cons "pathSeparatorChar" #\:)
|
|
(cons "createTempFile" file-create-temp)
|
|
(cons "listRoots" (lambda () (jolt-vector (make-jfile "/")))))))
|
|
(register-class-statics! "File" statics)
|
|
(register-class-statics! "java.io.File" statics))
|
|
(register-class-ctor! "java.io.File"
|
|
(lambda (a . rest)
|
|
(if (pair? rest)
|
|
(jolt-make-file (string-append (file-path-of a) "/" (file-path-of (car rest))))
|
|
(jolt-make-file a))))
|
|
;; UUID: randomUUID / fromString statics + a (UUID. s) string ctor.
|
|
(register-class-statics! "UUID"
|
|
(list (cons "randomUUID" (lambda () (jolt-random-uuid)))
|
|
(cons "fromString" (lambda (s) (jolt-parse-uuid (jolt-str-render-one s))))))
|
|
(register-class-statics! "java.util.UUID"
|
|
(list (cons "randomUUID" (lambda () (jolt-random-uuid)))
|
|
(cons "fromString" (lambda (s) (jolt-parse-uuid (jolt-str-render-one s))))))
|
|
;; (UUID. msb lsb): build from the most/least-significant 64-bit halves (the JVM's
|
|
;; 2-long ctor), the form test.check's uuid generator uses. (UUID. s) parses a
|
|
;; string. The 128 bits format as the canonical 8-4-4-4-12 lowercase hex string.
|
|
(define (uuid-long->hex16 n)
|
|
(let* ((u (bitwise-and (jnum->exact n) #xFFFFFFFFFFFFFFFF))
|
|
(s (string-downcase (number->string u 16)))) ; JVM UUIDs are lowercase
|
|
(string-append (make-string (- 16 (string-length s)) #\0) s)))
|
|
(define (uuid-from-halves msb lsb)
|
|
(let ((h (uuid-long->hex16 msb)) (l (uuid-long->hex16 lsb)))
|
|
(make-juuid (string-append (substring h 0 8) "-" (substring h 8 12) "-" (substring h 12 16)
|
|
"-" (substring l 0 4) "-" (substring l 4 16)))))
|
|
(define (uuid-ctor . args)
|
|
(if (= (length args) 2)
|
|
(uuid-from-halves (car args) (cadr args))
|
|
(jolt-parse-uuid (jolt-str-render-one (car args)))))
|
|
(register-class-ctor! "UUID" uuid-ctor)
|
|
(register-class-ctor! "java.util.UUID" uuid-ctor)
|
|
;; (Long. n) / (Long. "n"): a Long is just jolt's integer; return it (parse a string).
|
|
(register-class-ctor! "Long" (lambda (x) (if (string? x) (parse-int-or-throw x 10 "Long") (->num (jnum->exact x)))))
|
|
(register-class-ctor! "java.lang.Long" (lambda (x) (if (string? x) (parse-int-or-throw x 10 "Long") (->num (jnum->exact x)))))
|
|
;; (Integer. n) / (Integer. "n"): jolt's integer, range-checked like intCast.
|
|
(define (integer-ctor x)
|
|
(jolt-int-cast (if (string? x) (parse-int-or-throw x 10 "Integer") x)))
|
|
(register-class-ctor! "Integer" integer-ctor)
|
|
(register-class-ctor! "java.lang.Integer" integer-ctor)
|
|
;; (Double. x) / (Double. "x"): jolt's double.
|
|
(define (double-ctor x)
|
|
(if (string? x)
|
|
(let ((n (string->number x)))
|
|
(if n (exact->inexact n)
|
|
(jolt-throw (jolt-host-throwable "java.lang.NumberFormatException"
|
|
(string-append "For input string: \"" x "\"")))))
|
|
(jolt-double x)))
|
|
(register-class-ctor! "Double" double-ctor)
|
|
(register-class-ctor! "java.lang.Double" double-ctor)
|
|
|
|
;; (Boolean. "true") / (Boolean. b): true for the string "true" (case-insensitive,
|
|
;; anything else false) or the boolean itself — Boolean.valueOf semantics; the
|
|
;; box is jolt's plain boolean.
|
|
(define (boolean-ctor x)
|
|
(cond ((string? x) (string-ci=? x "true"))
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((boolean? x) x)
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(else #f)))
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(register-class-ctor! "Boolean" boolean-ctor)
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(register-class-ctor! "java.lang.Boolean" boolean-ctor)
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|
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;; --- java.net.URI -----------------------------------------------------------
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;; A minimal RFC-3986 split into scheme/authority/host/port/path/query/fragment,
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|
;; kept in a jhost "uri" carrying the original string. (str u)/(.toString u) give
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|
;; the original; getHost is nil for a relative URI (hiccup.util/to-str branches on
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|
;; it). instance? java.net.URI + extend-protocol dispatch work via value-host-tags.
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|
(define (uri-index-of s ch from)
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|
(let ((n (string-length s)))
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|
(let loop ((i from)) (cond ((>= i n) #f) ((char=? (string-ref s i) ch) i) (else (loop (+ i 1)))))))
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|
(define (uri-scheme-end s)
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|
;; index of ':' that ends a scheme (letter then alnum/+-. before any /?#), or #f.
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|
(let ((n (string-length s)))
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|
(and (> n 0) (char-alphabetic? (string-ref s 0))
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|
(let loop ((i 1))
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|
(cond ((>= i n) #f)
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|
((char=? (string-ref s i) #\:) i)
|
|
((let ((c (string-ref s i)))
|
|
(or (char-alphabetic? c) (char-numeric? c) (char=? c #\+) (char=? c #\-) (char=? c #\.)))
|
|
(loop (+ i 1)))
|
|
(else #f))))))
|
|
(define (uri-parse s)
|
|
(let* ((n (string-length s))
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|
(se (uri-scheme-end s))
|
|
(scheme (and se (substring s 0 se)))
|
|
(rest-start (if se (+ se 1) 0))
|
|
;; fragment
|
|
(hash (uri-index-of s #\# rest-start))
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|
(frag (and hash (substring s (+ hash 1) n)))
|
|
(pre-frag-end (or hash n))
|
|
;; query
|
|
(qm (uri-index-of s #\? rest-start))
|
|
(query (and qm (< qm pre-frag-end) (substring s (+ qm 1) pre-frag-end)))
|
|
(hp-end (cond ((and qm (< qm pre-frag-end)) qm) (else pre-frag-end)))
|
|
;; authority (after "//")
|
|
(has-auth (and (<= (+ rest-start 2) n)
|
|
(char=? (string-ref s rest-start) #\/)
|
|
(char=? (string-ref s (+ rest-start 1)) #\/)))
|
|
(auth-start (and has-auth (+ rest-start 2)))
|
|
(auth-end (and has-auth
|
|
(let loop ((i auth-start))
|
|
(cond ((>= i hp-end) hp-end)
|
|
((char=? (string-ref s i) #\/) i)
|
|
(else (loop (+ i 1)))))))
|
|
(authority (and has-auth (substring s auth-start auth-end)))
|
|
(path-start (if has-auth auth-end rest-start))
|
|
(path (substring s path-start hp-end)))
|
|
;; host:port from authority (strip userinfo@)
|
|
(let* ((at (and authority (uri-index-of authority #\@ 0)))
|
|
(hostport (if at (substring authority (+ at 1) (string-length authority)) authority))
|
|
(colon (and hostport (uri-index-of hostport #\: 0)))
|
|
(host (cond ((not hostport) jolt-nil)
|
|
(colon (substring hostport 0 colon))
|
|
(else hostport)))
|
|
(port (if (and colon (< (+ colon 1) (string-length hostport)))
|
|
(or (string->number (substring hostport (+ colon 1) (string-length hostport))) -1)
|
|
-1)))
|
|
(make-jhost "uri"
|
|
(list (cons 'string s)
|
|
(cons 'scheme (or scheme jolt-nil))
|
|
(cons 'authority (or authority jolt-nil))
|
|
(cons 'host (if (and host (string? host) (= 0 (string-length host))) jolt-nil host))
|
|
(cons 'port (->num port))
|
|
(cons 'path (if (= 0 (string-length path)) (if has-auth "" jolt-nil) path))
|
|
(cons 'query (or query jolt-nil))
|
|
(cons 'fragment (or frag jolt-nil)))))))
|
|
(define (uri-field u k) (let ((p (assq k (jhost-state u)))) (if p (cdr p) jolt-nil)))
|
|
(register-class-ctor! "URI" (lambda (s) (uri-parse (jolt-str-render-one s))))
|
|
(register-class-ctor! "java.net.URI" (lambda (s) (uri-parse (jolt-str-render-one s))))
|
|
;; URI/create — the static factory, same as the (URI. s) constructor.
|
|
(register-class-statics! "URI" (list (cons "create" (lambda (s) (uri-parse (jolt-str-render-one s))))))
|
|
(register-class-statics! "java.net.URI" (list (cons "create" (lambda (s) (uri-parse (jolt-str-render-one s))))))
|
|
(register-host-methods! "uri"
|
|
(list (cons "toString" (lambda (u) (uri-field u 'string)))
|
|
(cons "toASCIIString" (lambda (u) (uri-field u 'string)))
|
|
(cons "getScheme" (lambda (u) (uri-field u 'scheme)))
|
|
(cons "getAuthority" (lambda (u) (uri-field u 'authority)))
|
|
(cons "getHost" (lambda (u) (uri-field u 'host)))
|
|
(cons "getPort" (lambda (u) (uri-field u 'port)))
|
|
(cons "getPath" (lambda (u) (uri-field u 'path)))
|
|
(cons "getRawPath" (lambda (u) (uri-field u 'path)))
|
|
(cons "getQuery" (lambda (u) (uri-field u 'query)))
|
|
(cons "getRawQuery" (lambda (u) (uri-field u 'query)))
|
|
(cons "getFragment" (lambda (u) (uri-field u 'fragment)))
|
|
(cons "isAbsolute" (lambda (u) (not (jolt-nil? (uri-field u 'scheme)))))
|
|
(cons "hashCode" (lambda (u) (string-hash (uri-field u 'string))))
|
|
(cons "equals" (lambda (u o) (and (jhost? o) (string=? (jhost-tag o) "uri")
|
|
(string=? (uri-field u 'string) (uri-field o 'string)))))))
|
|
;; (= u1 u2) is value equality by string form (the .equals method above only
|
|
;; serves explicit (.equals …)); hash matches so a URI works as a map key / set
|
|
;; member (ring/hiccup compare (URI. "/") values).
|
|
(define (uri-jhost? x) (and (jhost? x) (string=? (jhost-tag x) "uri")))
|
|
(register-eq-arm! (lambda (a b) (or (uri-jhost? a) (uri-jhost? b)))
|
|
(lambda (a b) (and (uri-jhost? a) (uri-jhost? b)
|
|
(string=? (uri-field a 'string) (uri-field b 'string)))))
|
|
(register-hash-arm! uri-jhost? (lambda (x) (string-hash (uri-field x 'string))))
|
|
;; str / pr-str of a uri -> its string form.
|
|
(register-str-render! (lambda (x) (and (jhost? x) (string=? (jhost-tag x) "uri")))
|
|
(lambda (x) (uri-field x 'string)))
|
|
(register-pr-readable-arm! (lambda (x) (and (jhost? x) (string=? (jhost-tag x) "uri")))
|
|
(lambda (x) (string-append "#object[java.net.URI \"" (uri-field x 'string) "\"]")))
|
|
;; class of the host value types defined by now (uri/uuid/file).
|
|
(register-class-arm! (lambda (x) (and (jhost? x) (string=? (jhost-tag x) "uri"))) (lambda (x) "java.net.URI"))
|
|
(register-class-arm! juuid? (lambda (x) "java.util.UUID"))
|
|
(register-class-arm! jfile? (lambda (x) "java.io.File"))
|