.
original commit: 4eeff5cbaff49f0199bd9674df879fe04efd5e1a
This commit is contained in:
Matthew Flatt
parent
431bd91d9b
commit
f8d05191bb
|
|
@ -1,17 +1,72 @@
|
|||
|
||||
(require-library "browser.ss" "browser")
|
||||
|
||||
(define collecting-thread #f)
|
||||
|
||||
(define results-editor% (class hyper-text% ()
|
||||
(inherit set-title)
|
||||
(sequence
|
||||
(super-init #f)
|
||||
(set-title "Search Results"))))
|
||||
|
||||
(define f (make-object (class frame% args
|
||||
(override [on-close exit])
|
||||
(rename [super-on-subwindow-char on-subwindow-char])
|
||||
(override
|
||||
[on-close exit]
|
||||
[on-subwindow-char
|
||||
(lambda (w e)
|
||||
(case (send e get-key-code)
|
||||
[(prior) (send (send results get-editor) move-position 'up #f 'page) #t]
|
||||
[(next) (send (send results get-editor) move-position 'down #f 'page) #t]
|
||||
[else (if (and (eq? #\tab (send e get-key-code))
|
||||
(eq? w results))
|
||||
; Override normal behavior, which is to pass the tab on to
|
||||
; the edit
|
||||
(if (send e get-shift-down)
|
||||
(send before-results focus)
|
||||
(send search-text focus))
|
||||
(super-on-subwindow-char w e))]))])
|
||||
(sequence (apply super-init args)))
|
||||
"PLT Help" #f 600 440))
|
||||
(define html-panel (make-object hyper-panel% f))
|
||||
"PLT Help Desk" #f 600 440))
|
||||
(define html-panel (make-object (class hyper-panel% ()
|
||||
(rename [super-leaving-page leaving-page])
|
||||
(public
|
||||
[stop-search
|
||||
(lambda ()
|
||||
(when collecting-thread
|
||||
(semaphore-wait break-sema)
|
||||
(break-thread collecting-thread)
|
||||
(semaphore-post break-sema)))])
|
||||
(override
|
||||
[leaving-page
|
||||
(lambda (page new-page)
|
||||
(unless (is-a? (page->editor new-page) results-editor%)
|
||||
(stop-search))
|
||||
(super-leaving-page page new-page))]
|
||||
[on-navigate stop-search])
|
||||
(sequence (super-init f)))))
|
||||
(define results (send html-panel get-canvas))
|
||||
|
||||
(define before-results
|
||||
(let loop ([l (send html-panel get-children)])
|
||||
(cond
|
||||
[(null? (cdr l)) results]
|
||||
[(eq? (cadr l) results) (let loop ([v (car l)])
|
||||
(if (is-a? v area-container<%>)
|
||||
(loop (car (last-pair (send v get-children))))
|
||||
v))]
|
||||
[else (loop (cdr l))])))
|
||||
|
||||
(define top (make-object vertical-pane% f))
|
||||
(define t (make-object text-field% "Find help on:" top void))
|
||||
(define search-text (make-object text-field% "Find docs for:" top
|
||||
(lambda (t e)
|
||||
(send search enable (positive? (send (send t get-editor) last-position))))))
|
||||
(define search-pane (make-object horizontal-pane% top))
|
||||
(define button (make-object button% "Search" search-pane (lambda (b e) (set! collecting-thread (thread start-search))) '(border)))
|
||||
(define search (make-object button% "Search" search-pane
|
||||
(lambda (b e)
|
||||
(semaphore-wait break-sema) ; protects from too-early break
|
||||
(set! collecting-thread (thread start-search)))
|
||||
'(border)))
|
||||
(define where (make-object choice% #f '("for Keyword"
|
||||
"for Keyword or Index Entry"
|
||||
"for Keyword, Index Entry, or Text")
|
||||
|
|
@ -24,34 +79,64 @@
|
|||
(lambda (b e)
|
||||
(break-thread collecting-thread))))
|
||||
|
||||
(send where set-selection 1)
|
||||
(send exact set-selection 1)
|
||||
(send search enable #f)
|
||||
(send stop show #f)
|
||||
|
||||
(define results-editor% (class hyper-text% ()
|
||||
(inherit set-title)
|
||||
(sequence
|
||||
(super-init #f)
|
||||
(set-title "Search Results"))))
|
||||
|
||||
(send top stretchable-height #f)
|
||||
|
||||
(send t focus)
|
||||
(send search-text focus)
|
||||
|
||||
(let* ([mb (make-object menu-bar% f)]
|
||||
[file (make-object menu% "&File" mb)]
|
||||
[edit (make-object menu% "&Edit" mb)])
|
||||
(append-editor-operation-menu-items edit)
|
||||
|
||||
(make-object menu-item% "Open URL..." file
|
||||
(lambda (i e)
|
||||
(letrec ([d (make-object dialog% "Open URL" f 500)]
|
||||
[t (make-object text-field% "URL:" d
|
||||
(lambda (t e)
|
||||
(send ok enable
|
||||
(positive? (send (send t get-editor)
|
||||
last-position)))))]
|
||||
[p (make-object horizontal-panel% d)]
|
||||
[browse (make-object button% "Browse..." p
|
||||
(lambda (b e)
|
||||
(let ([f (get-file)])
|
||||
(send t set-value (string-append "file:" f)))))]
|
||||
[spacer (make-object vertical-pane% p)]
|
||||
[ok (make-object button% "Open" p
|
||||
(lambda (b e)
|
||||
(let ([s (send t get-value)])
|
||||
(with-handlers ([void
|
||||
(lambda (x)
|
||||
(message-box "Bad URL"
|
||||
(format "Bad URL: ~a" (exn-message x))
|
||||
d))])
|
||||
(let ([url (string->url s)])
|
||||
(send results goto-url url #f)
|
||||
(send d show #f)))))
|
||||
'(border))]
|
||||
[cancel (make-object button% "Cancel" p
|
||||
(lambda (b e) (send d show #f)))])
|
||||
(send p set-alignment 'right 'center)
|
||||
(send ok enable #f)
|
||||
(send d center)
|
||||
(send t focus)
|
||||
(send d show #t)))
|
||||
#\O)
|
||||
(make-object menu-item% "Quit" file (lambda (i e) (exit)) #\Q))
|
||||
|
||||
(send f show #t)
|
||||
|
||||
(send results goto-url
|
||||
(string-append "file:" (build-path (collection-path "doc") "start.htm"))
|
||||
(string-append "file:" (build-path (collection-path "doc") "index.htm"))
|
||||
#f)
|
||||
|
||||
(define cycle-key #f)
|
||||
(define collecting-thread #f)
|
||||
(define break-sema (make-semaphore 1))
|
||||
|
||||
(define choices-sema (make-semaphore 1))
|
||||
(define choices null)
|
||||
|
|
@ -101,30 +186,75 @@
|
|||
(define (add-section name ckey)
|
||||
(add-choice #f name #f #f #f ckey))
|
||||
|
||||
(define not-break? (lambda (x) (not (exn:misc:user-break? x))))
|
||||
|
||||
; Locate standard HTML documentation
|
||||
(define-values (std-docs std-doc-names)
|
||||
(let* ([path (collection-path "doc")]
|
||||
[doc-names (directory-list path)]
|
||||
[docs (map (lambda (x) (build-path path x)) doc-names)])
|
||||
(values docs doc-names)))
|
||||
|
||||
; Check collections for doc.txt files:
|
||||
(define-values (txt-docs txt-doc-names)
|
||||
(let loop ([collection-paths (current-library-collection-paths)]
|
||||
[docs null]
|
||||
[names null])
|
||||
(cond
|
||||
[(null? collection-paths)
|
||||
(values docs names)]
|
||||
[else (let ([path (car collection-paths)])
|
||||
(let cloop ([l (with-handlers ([void (lambda (x) null)]) (directory-list path))]
|
||||
[docs docs]
|
||||
[names names])
|
||||
(cond
|
||||
[(null? l) (loop (cdr collection-paths) docs names)]
|
||||
[(and (directory-exists? (build-path path (car l)))
|
||||
(not (member (car l) names))
|
||||
(file-exists? (build-path path (car l) "doc.txt")))
|
||||
(cloop (cdr l) (cons (build-path path (car l)) docs)
|
||||
(cons (car l) names))]
|
||||
[else (cloop (cdr l) docs names)])))])))
|
||||
|
||||
(define docs (append std-docs txt-docs))
|
||||
(define doc-names (append std-doc-names (map (lambda (s) (format "~a collection" s)) txt-doc-names)))
|
||||
(define doc-kinds (append (map (lambda (x) 'html) std-docs) (map (lambda (x) 'text) txt-docs)))
|
||||
|
||||
(define re:iname (regexp "A HREF=\"(node[0-9]*[.]htm)\"><IMG SRC=\"../icons/index.gif"))
|
||||
(define re:ientry (regexp "<DT>(.*)<DD>"))
|
||||
(define re:ilink (regexp "(.*)<A HREF=\"(node[0-9]*[.]htm)#([0-9]*)\">(.*)</A>"))
|
||||
|
||||
(define indices (make-hash-table))
|
||||
|
||||
(define (clean-index-entry s)
|
||||
(define (clean-html s)
|
||||
(regexp-replace*
|
||||
"<[^>]*>"
|
||||
(regexp-replace*
|
||||
">"
|
||||
(regexp-replace*
|
||||
"<"
|
||||
s
|
||||
"<")
|
||||
">")
|
||||
"&[^;]*;"
|
||||
(regexp-replace*
|
||||
"<[^>]*>"
|
||||
(regexp-replace*
|
||||
">"
|
||||
(regexp-replace*
|
||||
"<"
|
||||
s
|
||||
"<")
|
||||
">")
|
||||
"")
|
||||
""))
|
||||
|
||||
(define (load-index doc)
|
||||
(define (with-hash-table ht key compute)
|
||||
(hash-table-get
|
||||
indices
|
||||
(string->symbol doc)
|
||||
ht
|
||||
(string->symbol key)
|
||||
(lambda ()
|
||||
(let ([index-file (with-handlers ([(lambda (x) (not (exn:misc:user-break? x))) (lambda (x) #f)])
|
||||
(let ([v (compute)])
|
||||
(hash-table-put! ht (string->symbol key) v)
|
||||
v))))
|
||||
|
||||
(define html-indices (make-hash-table))
|
||||
(define (load-html-index doc)
|
||||
(with-hash-table
|
||||
html-indices
|
||||
doc
|
||||
(lambda ()
|
||||
(let ([index-file (with-handlers ([not-break? (lambda (x) #f)])
|
||||
(with-input-from-file (build-path doc "index.htm")
|
||||
(lambda ()
|
||||
(let loop ()
|
||||
|
|
@ -137,7 +267,7 @@
|
|||
[else (loop)]))))))])
|
||||
(let ([index
|
||||
(and index-file
|
||||
(with-handlers ([(lambda (x) (not (exn:misc:user-break? x)))
|
||||
(with-handlers ([not-break?
|
||||
(lambda (x)
|
||||
; (printf "~a~n" (exn-message x))
|
||||
#f)])
|
||||
|
|
@ -149,25 +279,92 @@
|
|||
null
|
||||
(let ([m (regexp-match re:ientry r)])
|
||||
(if m
|
||||
(cons (cons (clean-index-entry (cadr m)) r)
|
||||
(cons (cons (clean-html (cadr m)) r)
|
||||
(loop))
|
||||
(loop))))))))))])
|
||||
(hash-table-put! indices (string->symbol doc) index)
|
||||
index)))))
|
||||
|
||||
(define (parse-txt-file doc ht handle-one)
|
||||
(with-hash-table
|
||||
ht
|
||||
doc
|
||||
(lambda ()
|
||||
(with-handlers ([not-break? (lambda (x)
|
||||
(printf "~a~n" (exn-message x))
|
||||
null)])
|
||||
(with-input-from-file (build-path doc "doc.txt")
|
||||
(lambda ()
|
||||
(let loop ()
|
||||
(let ([start (file-position (current-input-port))]
|
||||
[r (read-line)])
|
||||
(cond
|
||||
[(eof-object? r) null]
|
||||
[(handle-one r start) => (lambda (vs) (append vs (loop)))]
|
||||
[else (loop)])))))))))
|
||||
|
||||
(define re:keyword-line (regexp "^>[^I]"))
|
||||
(define text-keywords (make-hash-table))
|
||||
(define (load-txt-keywords doc)
|
||||
(parse-txt-file
|
||||
doc
|
||||
text-keywords
|
||||
(lambda (r start)
|
||||
(cond
|
||||
[(regexp-match re:keyword-line r)
|
||||
(let* ([entry (read (open-input-string (substring r 1 (string-length r))))]
|
||||
[key (let loop ([entry entry])
|
||||
(cond
|
||||
[(symbol? entry) entry]
|
||||
[(pair? entry) (loop (car entry))]
|
||||
[else (error "bad entry")]))])
|
||||
(list
|
||||
; Make the keyword entry:
|
||||
(list (symbol->string key) ; the keyword name
|
||||
(let ([p (open-output-string)])
|
||||
(display entry p)
|
||||
(get-output-string p)) ; the text to display
|
||||
"doc.txt" ; file
|
||||
start ; label (a position in this case)
|
||||
"doc.txt")))] ; title
|
||||
[else #f]))))
|
||||
|
||||
(define re:index-line (regexp "^>INDEX:(.*)"))
|
||||
(define text-indices (make-hash-table))
|
||||
(define (load-txt-index doc)
|
||||
(parse-txt-file
|
||||
doc
|
||||
text-indices
|
||||
(lambda (r start)
|
||||
(cond
|
||||
[(regexp-match re:index-line r)
|
||||
=> (lambda (m)
|
||||
(let ([p (open-input-string (cadr m))])
|
||||
(let loop ()
|
||||
(let ([r (read p)])
|
||||
(if (eof-object? r)
|
||||
null
|
||||
(cons
|
||||
; Make an index entry:
|
||||
(cons r start)
|
||||
(loop)))))))]
|
||||
[else #f]))))
|
||||
|
||||
(define (non-regexp s)
|
||||
(list->string
|
||||
(apply
|
||||
append
|
||||
(map
|
||||
(lambda (c)
|
||||
(if (memq c '(#\$ #\| #\\ #\[ #\] #\. #\* #\? #\+ #\( #\)))
|
||||
(list #\\ c)
|
||||
(list c)))
|
||||
(cond
|
||||
[(memq c '(#\$ #\| #\\ #\[ #\] #\. #\* #\? #\+ #\( #\)))
|
||||
(list #\\ c)]
|
||||
[(char-alphabetic? c)
|
||||
(list #\[ (char-upcase c) (char-downcase c) #\])]
|
||||
[else (list c)]))
|
||||
(string->list s)))))
|
||||
|
||||
(define (start-search)
|
||||
(let* ([given-find (send t get-value)]
|
||||
(let* ([given-find (send search-text get-value)]
|
||||
[find (let ([s given-find])
|
||||
(case (send exact get-selection)
|
||||
[(0) s]
|
||||
|
|
@ -186,8 +383,7 @@
|
|||
(dynamic-wind
|
||||
(lambda ()
|
||||
(begin-busy-cursor)
|
||||
(send html-panel enable #f)
|
||||
(send button enable #f)
|
||||
(send search enable #f)
|
||||
(send where enable #f)
|
||||
(send exact enable #f)
|
||||
(set! cycle-key ckey))
|
||||
|
|
@ -199,81 +395,125 @@
|
|||
(when (eq? cycle-key ckey)
|
||||
(send editor insert "(Search stopped.)" (send editor last-position) 'same #f)))
|
||||
#f))])
|
||||
(semaphore-post break-sema)
|
||||
(send stop show #t)
|
||||
(send editor erase)
|
||||
(let* ([path (collection-path "doc")]
|
||||
[doc-names (directory-list path)]
|
||||
[docs (map (lambda (x) (build-path path x)) doc-names)])
|
||||
(for-each
|
||||
(lambda (doc doc-name)
|
||||
(define found-one? #f)
|
||||
(define (found)
|
||||
(unless found-one?
|
||||
(set! found-one? #t)
|
||||
(add-section doc-name ckey)))
|
||||
;; Keyword search
|
||||
(let ([keywords (build-path doc "keywords")])
|
||||
(when (file-exists? keywords)
|
||||
(let ([keys (with-input-from-file keywords read)]
|
||||
[add-key-choice (lambda (v)
|
||||
(found)
|
||||
(add-choice
|
||||
"key" (cadr v) (list-ref v 4)
|
||||
(build-path doc (list-ref v 2))
|
||||
(list-ref v 3)
|
||||
ckey))])
|
||||
(unless regexp?
|
||||
(for-each
|
||||
(lambda (v)
|
||||
(when (string=? given-find (car v))
|
||||
(add-key-choice v)))
|
||||
keys))
|
||||
(unless exact?
|
||||
(for-each
|
||||
(lambda (v)
|
||||
(when (regexp-match find (car v))
|
||||
(unless (and (not regexp?) (string=? given-find (car v)))
|
||||
(add-key-choice v))))
|
||||
keys)))))
|
||||
;; Index search
|
||||
(unless (< search-level 1)
|
||||
(let ([index (load-index doc)]
|
||||
[add-index-choice (lambda (name desc)
|
||||
(let loop ([desc desc])
|
||||
(let ([m (regexp-match re:ilink desc)])
|
||||
(when m
|
||||
(loop (list-ref m 1))
|
||||
(found)
|
||||
(add-choice "idx" name
|
||||
(clean-index-entry (list-ref m 4))
|
||||
(build-path doc (list-ref m 2))
|
||||
(clean-index-entry (list-ref m 3))
|
||||
ckey)))))])
|
||||
(when index
|
||||
(unless regexp?
|
||||
(for-each
|
||||
(lambda (v)
|
||||
(when (string=? given-find (car v))
|
||||
(add-index-choice (car v) (cdr v))))
|
||||
index))
|
||||
(unless exact?
|
||||
(for-each
|
||||
(lambda (v)
|
||||
(when (regexp-match find (car v))
|
||||
(unless (and (not regexp?) (string=? given-find (car v)))
|
||||
(add-index-choice (car v) (cdr v)))))
|
||||
index))))))
|
||||
docs doc-names))
|
||||
(for-each
|
||||
(lambda (doc doc-name doc-kind)
|
||||
(define found-one? #f)
|
||||
(define (found)
|
||||
(unless found-one?
|
||||
(set! found-one? #t)
|
||||
(add-section doc-name ckey)))
|
||||
;; Keyword search
|
||||
(let ([keys (case doc-kind
|
||||
[(html)
|
||||
(let ([keywords (build-path doc "keywords")])
|
||||
(if (file-exists? keywords)
|
||||
(with-input-from-file keywords read)
|
||||
null))]
|
||||
[(text) (load-txt-keywords doc)]
|
||||
[else null])]
|
||||
[add-key-choice (lambda (v)
|
||||
(found)
|
||||
(add-choice
|
||||
"key" (cadr v) (list-ref v 4)
|
||||
(build-path doc (list-ref v 2))
|
||||
(list-ref v 3)
|
||||
ckey))])
|
||||
(unless regexp?
|
||||
(for-each
|
||||
(lambda (v)
|
||||
(when (string=? given-find (car v))
|
||||
(add-key-choice v)))
|
||||
keys))
|
||||
(unless exact?
|
||||
(for-each
|
||||
(lambda (v)
|
||||
(when (regexp-match find (car v))
|
||||
(unless (and (not regexp?) (string=? given-find (car v)))
|
||||
(add-key-choice v))))
|
||||
keys)))
|
||||
;; Index search
|
||||
(unless (< search-level 1)
|
||||
(let ([index (case doc-kind
|
||||
[(html) (load-html-index doc)]
|
||||
[(text) (load-txt-index doc)]
|
||||
[else null])]
|
||||
[add-index-choice (lambda (name desc)
|
||||
(case doc-kind
|
||||
[(html)
|
||||
(let loop ([desc desc])
|
||||
(let ([m (regexp-match re:ilink desc)])
|
||||
(when m
|
||||
(loop (list-ref m 1))
|
||||
(found)
|
||||
(add-choice "idx" name
|
||||
(clean-html (list-ref m 4))
|
||||
(build-path doc (list-ref m 2))
|
||||
(clean-html (list-ref m 3))
|
||||
ckey))))]
|
||||
[(text)
|
||||
(found)
|
||||
(add-choice "idx" name
|
||||
"indexed content"
|
||||
(build-path doc "doc.txt")
|
||||
desc
|
||||
ckey)]))])
|
||||
(when index
|
||||
(unless regexp?
|
||||
(for-each
|
||||
(lambda (v)
|
||||
(when (string=? given-find (car v))
|
||||
(add-index-choice (car v) (cdr v))))
|
||||
index))
|
||||
(unless exact?
|
||||
(for-each
|
||||
(lambda (v)
|
||||
(when (regexp-match find (car v))
|
||||
(unless (and (not regexp?) (string=? given-find (car v)))
|
||||
(add-index-choice (car v) (cdr v)))))
|
||||
index)))))
|
||||
;; Content Search
|
||||
(unless (or (< search-level 2) exact?)
|
||||
(let ([files (case doc-kind
|
||||
[(html) (with-handlers ([not-break? (lambda (x) null)]) (directory-list doc))]
|
||||
[(text) (list "doc.txt")]
|
||||
[else null])])
|
||||
(for-each
|
||||
(lambda (f)
|
||||
(with-handlers ([not-break? (lambda (x)
|
||||
; (printf "~a~n" (exn-message x))
|
||||
#f)])
|
||||
(with-input-from-file (build-path doc f)
|
||||
(lambda ()
|
||||
(let loop ()
|
||||
(let ([r (read-line)])
|
||||
(unless (eof-object? r)
|
||||
(when (regexp-match find r)
|
||||
(found)
|
||||
(add-choice "txt"
|
||||
(if (eq? doc-kind 'html)
|
||||
(clean-html r)
|
||||
r)
|
||||
"content"
|
||||
(build-path doc f)
|
||||
"HTML"
|
||||
ckey))
|
||||
(loop))))))))
|
||||
files))))
|
||||
docs doc-names doc-kinds)
|
||||
(queue-callback
|
||||
(lambda ()
|
||||
(when (eq? cycle-key ckey)
|
||||
(when (zero? (send editor last-position))
|
||||
(send editor insert (format "Found nothing for \"~a\"." given-find)))))
|
||||
#f)))
|
||||
#f))
|
||||
(semaphore-wait break-sema)) ; turn off breaks...
|
||||
(lambda ()
|
||||
(semaphore-post break-sema) ; breaks ok now because they have no effect
|
||||
(send stop show #f)
|
||||
(send html-panel enable #t)
|
||||
(send button enable #t)
|
||||
(send search enable #t)
|
||||
(send where enable #t)
|
||||
(send exact enable #t)
|
||||
(end-busy-cursor)))))
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user