removing obsolete code
svn: r3220
This commit is contained in:
Jay McCarthy
parent
f14f1e190b
commit
0609a7c1aa
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@ -1,58 +0,0 @@
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;; This file is intended to include the minimum set of *utilities*
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;; needed to write servlets. It is based on the *old* version of "servlet-sig.ss"
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(module min-servlet mzscheme
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(require (lib "xml.ss" "xml")
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(only "util.ss" translate-escapes))
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(provide response?
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(struct response/full (code message seconds mime extras body))
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(struct response/incremental ())
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(struct request (method uri headers host-ip client-ip))
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(rename request-bindings request-bindings/raw)
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(rename get-parsed-bindings request-bindings)
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translate-escapes)
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; : TST -> bool
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(define (response? page)
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(or (response/full? page)
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; this could fail for dotted lists - rewrite andmap
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(and (pair? page) (pair? (cdr page)) (andmap string? page))
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; insist the xexpr has a root element
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(and (pair? page) (xexpr? page))))
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; more here - these should really have a common super type, but I don't want to break
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; the existing interface.
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(define-struct response/full (code message seconds mime extras body))
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(define-struct (response/incremental response/full) ())
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; request = (make-request sym URL (listof (cons sym str)) (U str (listof (cons sym str))) str str)
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; Outside this module, bindings looks like an association list (due to renaming request-bindings).
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; Inside it is a string for normal requests, but for file uploads it is still an association list.
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; more here - perhaps it should always be a string inside this module.
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(define-struct request (method uri headers bindings host-ip client-ip))
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; get-parsed-bindings : request -> (listof (cons sym str))
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(define (get-parsed-bindings r)
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(let ([x (request-bindings r)])
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(if (list? x)
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x
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(parse-bindings x))))
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; parse-bindings : (U #f String) -> (listof (cons Symbol String))
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(define (parse-bindings raw)
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(if (string? raw)
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(let ([len (string-length raw)])
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(let loop ([start 0])
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(let find= ([key-end start])
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(if (>= key-end len)
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null
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(if (eq? (string-ref raw key-end) #\=)
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(let find-amp ([amp-end (add1 key-end)])
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(if (or (= amp-end len) (eq? (string-ref raw amp-end) #\&))
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(cons (cons (string->symbol (substring raw start key-end))
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(translate-escapes
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(substring raw (add1 key-end) amp-end)))
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(loop (add1 amp-end)))
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(find-amp (add1 amp-end))))
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(find= (add1 key-end)))))))
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null))
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)
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@ -1,227 +0,0 @@
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(module servlet-builder mzscheme
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(require (lib "tool.ss" "drscheme")
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(lib "framework.ss" "framework")
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(lib "mred.ss" "mred")
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(lib "unitsig.ss")
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(lib "class.ss")
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(lib "list.ss")
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(lib "etc.ss")
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(lib "pretty.ss")
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(lib "sig.ss" "web-server")
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(lib "min-servlet.ss" "web-server")
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(lib "string-constant.ss" "string-constants")
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(all-except (lib "util.ss" "web-server") translate-escapes))
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(provide tool@)
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(define tool@
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(unit/sig drscheme:tool-exports^
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(import drscheme:tool^)
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(define phase1 void)
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(define phase2 void)
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; language-prefs text% -> (listof s-expr)
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; to read the program from the definitions window
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(define (read-program lang-prefs definitions-text)
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(let* ([language (drscheme:language-configuration:language-settings-language lang-prefs)]
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[settings (drscheme:language-configuration:language-settings-settings lang-prefs)]
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[front-end (send language front-end/complete-program
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(drscheme:language:make-text/pos
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definitions-text
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0 ; (drscheme:language:get-post-hash-bang-start definitions-text)
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(send definitions-text last-position))
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settings)])
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(let loop ()
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(let ([x (front-end)])
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(cond
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[(syntax? x) (cons (syntax-object->datum x) (loop))]
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[(eof-object? x) null]
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[else (cons x (loop))])))))
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; : s-expr (listof str) (listof s-expr) -> (listof s-expr)
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(define (wrap language teachpacks program)
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(let-values ([(require-exprs other-exprs) (extract-requires program)])
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(let ([all-requires
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(list* `(require
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(lib "unitsig.ss")
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(lib "sig.ss" "web-server")
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(lib "min-servlet.ss" "web-server")
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(lib "servlet-helpers.ss" "web-server"))
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`(require ,language)
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`(require
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. ,(map (lambda (tp) `(file ,tp))
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(filter (lambda (tp)
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(not (servlet-teachpack? tp)))
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teachpacks)))
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require-exprs)])
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(if (includes-servlet2? teachpacks)
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`(,@all-requires
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(require (lib "servlet2-unit.ss" "htdp"))
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(compound-unit/sig
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(import (S1 : servlet^))
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(link
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[S2 : servlet2^ (servlet2@ S1)]
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[U : () ((unit/sig ()
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(import servlet^ servlet2^)
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. ,other-exprs)
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S1 S2)])
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(export)))
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`(,@all-requires
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(unit/sig ()
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(import servlet^)
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. ,other-exprs))))))
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; : (listof s-expr) -> (listof s-expr)^2
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; to separate a program into top level requires expressions and other expressions
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(define (extract-requires x)
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(let loop ([x x] [k (lambda (r o) (values r o))])
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(cond
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[(null? x) (k null null)]
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[else
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(let ([expr (car x)])
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(loop (cdr x)
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(if (and (pair? expr) (eq? 'require (car expr)))
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(lambda (r o) (k (cons expr r) o))
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(lambda (r o) (k r (cons expr o))))))])))
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; : str -> bool
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; to check in a full path to a teachpack refers to a servlet teachpack
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; FIX this - mimic how drscheme finds teachpacks
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(define (servlet-teachpack? tp)
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(let-values ([(base name must-be-dir?) (split-path tp)])
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(and (string? name) (or (string=? name "servlet.ss") (string=? name "servlet2.ss")))))
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; : (listof str) -> bool
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(define (includes-servlet2? tps)
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(ormap (lambda (tp)
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(let-values ([(base name must-be-dir?) (split-path tp)])
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(and (string? name) (string=? name "servlet2.ss"))))
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tps))
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; exn:unknown-language = (make-exn:unknown-language str mark-set str)
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(define-struct (exn:unknown-language exn) (lang))
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; language-prefs -> s-expr
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; to find the module to require for the language
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(define (find-language-require lang-prefs)
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(let ([lang-name
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(send (drscheme:language-configuration:language-settings-language lang-prefs)
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get-language-name)])
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(hash-table-get
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language-table (string->symbol lang-name)
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(lambda ()
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(raise (make-exn:unknown-language
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(format "Unsupported servlet language: ~e" lang-name)
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(current-continuation-marks)
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lang-name))))))
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(define language-table
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(let ([table (make-hash-table)])
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(for-each (lambda (name-req)
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(hash-table-put! table (string->symbol (car name-req)) (cadr name-req)))
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(list
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(list (string-constant r5rs-lang-name)
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`(lib "lang.ss" "r5rs"))
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(list (string-constant beginning-student)
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`(lib "htdp-beginner.ss" "lang"))
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(list (string-constant beginning-student/abbrev)
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`(lib "htdp-beginner-abbr.ss" "lang"))
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(list (string-constant intermediate-student)
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`(lib "htdp-intermediate.ss" "lang"))
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(list (string-constant intermediate-student/lambda)
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`(lib "htdp-intermediate-lambda.ss" "lang"))
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(list (string-constant advanced-student)
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`(lib "htdp-advanced.ss" "lang"))
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(list "Essentials of Programming Languages"
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`(lib "eopl.ss" "eopl"))
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(list (string-constant mzscheme-w/debug)
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`(lib "plt-mzscheme.ss" "lang"))
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(list (string-constant mred-w/debug)
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`(lib "plt-mred.ss" "lang"))
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(list (string-constant pretty-big-scheme)
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`(lib "plt-pretty-big.ss" "lang")))
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; teachpacks don't work with the module language
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; algol60?
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)
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table))
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; : menu% -> (U menu% #f)
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; to crawl up and down the menu hierarcy to find the scheme menu
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; This attempts to work even if
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; a) the menus and menu items are in a different langauge
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; b) the menus are in Philippe's language where they are all blank (and hence the same)
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; It starts by selecting the menu by position to avoid problem b).
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; Just to be paranoid, it looks in other positions, too.
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; The scheme menu must have "Create Executable..." in some language as a menu item.
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(define (find-scheme-menu special-menu)
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(let* ([bar (send special-menu get-parent)]
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[menus (send bar get-items)]
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[ordered-menus (if (< (length menus) 5)
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menus
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(cons (car (cddddr menus)) menus))])
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(ormap (lambda (m)
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(and (string=? (string-constant scheme-menu-name)
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(send m get-label))
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(ormap is-create-executable-item? (send m get-items))
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m))
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ordered-menus)))
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; : menu% menu-item% -> void
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; to move all the menu items between "Create Executable..." and "Create Servlet..." to the end.
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(define (arrange-scheme-menu scheme-menu servlet-item)
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(let ([between-items
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(let delete ([kids (let skip-first-few ([kids (send scheme-menu get-items)])
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(cond
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[(is-create-executable-item? (car kids)) (cdr kids)]
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[else (skip-first-few (cdr kids))]))])
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(cond
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[(eq? servlet-item (car kids)) null]
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[else (cons (car kids) (delete (cdr kids)))]))])
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(for-each (lambda (item) (send item delete) (send item restore)) between-items)))
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; menu-item% -> bool
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(define (is-create-executable-item? item)
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(and (is-a? item labelled-menu-item<%>)
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(string=? (string-constant create-executable-menu-item-label)
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(send item get-label))))
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(drscheme:get/extend:extend-unit-frame
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(lambda (super%)
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(class super%
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(super-instantiate ())
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(inherit get-definitions-text get-special-menu)
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(let ([scheme-menu (find-scheme-menu (get-special-menu))])
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(when scheme-menu
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(arrange-scheme-menu
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scheme-menu
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(instantiate menu-item% ()
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(label (string-constant create-servlet))
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(parent scheme-menu)
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(callback
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(lambda (me event)
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(with-handlers ([exn:unknown-language?
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(lambda (exn)
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(message-box (string-constant create-executable-menu-item-label)
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(format (string-constant create-servlet-unsupported-language)
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(exn:unknown-language-lang exn))
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#f
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'(ok stop)))])
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(let* ([lang-prefs
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(preferences:get
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(drscheme:language-configuration:get-settings-preferences-symbol))]
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[program (read-program lang-prefs (get-definitions-text))]
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[teachpacks (drscheme:teachpack:teachpack-cache-filenames (preferences:get 'drscheme:teachpacks))]
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[wrapped (wrap (find-language-require lang-prefs) teachpacks program)]
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; FIX - use file name as default file name
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[file-name (put-file (string-constant create-servlet) this
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(build-path (collection-path "web-server")
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"default-web-root" "servlets")
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#f ".ss")])
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(when file-name
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(call-with-output-file file-name
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(lambda (out)
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(for-each (lambda (x) (write x out)) wrapped))
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'truncate))))))))))))))))
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@ -1,6 +1,4 @@
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;; Default choice for writing signed-unit servlets
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;; (To write signed-unit servlets using a smaller servlet library then
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;; require sig.ss in conjunction with min-servlet.ss
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(module servlet-sig mzscheme
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(require "sig.ss"
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"servlet-helpers.ss")
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