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rodo
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changed a lot of functions

main
m455 2019-11-03 21:32:11 -05:00
parent 91eed7fee9
commit b69788bd91
5 changed files with 116 additions and 133 deletions
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64
args.rkt
View File

@ -11,44 +11,38 @@
(define (check-args args)
(let ([args-length (vector-length args)])
(cond
[(equal? args-length 0)
(util:display-hash-ref messages:messages 'show-usage)]
(cond [(equal? args-length 0)
(util:display-hash-ref messages:messages 'show-usage)]
;; ls
[(and
(equal? args-length 1)
(equal? (vector:vector-member config:list-command args) 0))
(util:show-list-from-program-file)]
;; ls
[(and (equal? args-length 1)
(equal? (vector:vector-member config:list-command args) 0))
(util:show-list-from-file config:path-to-list-file)]
;; add
[(and
(or (equal? args-length 2) (>= args-length 2))
(equal? (vector-ref args 0) config:add-command))
(util:add-item-to-list args)]
;; add
[(and (or (equal? args-length 2) (>= args-length 2))
(equal? (vector-ref args 0) config:add-command))
(util:add-item-to-list config:path-to-list-file args)]
;; rm
[(and
(equal? args-length 2)
(equal? (vector-ref args 0) config:remove-command)
(real? (string->number (vector-ref args 1)))
(or (positive? (string->number (vector-ref args 1)))
(zero? (string->number (vector-ref args 1))))
;; Length subtract one because the numbering starts at zero
(not (> (string->number (vector-ref args 1)) (sub1 (length (util:file->string-list config:path-to-file)))))
(util:remove-item-from-list args))]
;; rm
[(and (equal? args-length 2)
(equal? (vector-ref args 0) config:remove-command)
(real? (string->number (vector-ref args 1)))
(or (positive? (string->number (vector-ref args 1)))
(zero? (string->number (vector-ref args 1))))
;; Length subtract one because the numbering starts at zero
(not (> (string->number (vector-ref args 1)) (sub1 (length (util:file->string-list config:path-to-list-file))))))
(util:remove-item-from-list config:path-to-list-file args)]
;; init
[(and
(equal? args-length 1)
(equal? (vector:vector-member config:initialize-command args) 0))
(init:initialize)]
;; init
[(and (equal? args-length 1)
(equal? (vector:vector-member config:initialize-command args) 0))
(init:initialize)]
;; help
[(and
(equal? args-length 1)
(member (vector-ref args 0) config:help-command))
(util:display-hash-ref messages:messages 'show-help)]
;; help
[(and (equal? args-length 1)
(member (vector-ref args 0) config:help-command))
(util:display-hash-ref messages:messages 'show-help)]
[else
(util:display-hash-ref messages:messages 'show-usage)])))
[else
(util:display-hash-ref messages:messages 'show-usage)])))

10
config.rkt
View File

@ -2,11 +2,15 @@
(provide (all-defined-out))
(define program-name "rodo")
(define program-directory (path->string (expand-user-path "~/.rodo/")))
(define program-file "todo.txt")
(define program-directory
(path->string
(expand-user-path
(string-append "~/." program-name "/"))))
(define list-file "todo.txt")
(define remove-command "rm")
(define add-command "add")
(define list-command "ls")
(define initialize-command "init")
(define help-command '("-h" "--help"))
(define path-to-file (string-append program-directory program-file))
(define path-to-list-file
(string-append program-directory list-file))

34
init.rkt
View File

@ -10,27 +10,23 @@
(define (init-prompt hash-list key)
(util:display-hash-ref hash-list key)
(display "> ")
(let
([user-input (read-line)])
(cond
[(member user-input (hash-ref messages:y/n 'yes))
(util:display-hash-ref messages:messages 'creating)
(util:create-program-directory)
(util:create-program-file)
(if (and
(util:check-for-program-directory)
(util:check-for-program-file))
(util:display-hash-ref messages:messages 'successfully-created)
(util:display-hash-ref messages:messages 'creation-error))]
[(member user-input (hash-ref messages:y/n 'no))
(util:display-hash-ref messages:messages 'terminating)]
[else
(init-prompt messages:messages 'choose-y/n)])))
(let ([user-input (read-line)])
(cond [(member user-input (hash-ref messages:y/n 'yes))
(begin
(util:display-hash-ref messages:messages 'creating)
(util:create-program-directory-700 config:program-directory)
(util:create-list-file-600 config:path-to-list-file)
(if (and (util:program-directory-exists?)
(util:list-file-exists?))
(util:display-hash-ref messages:messages 'successfully-created)
(util:display-hash-ref messages:messages 'creation-error)))]
[(member user-input (hash-ref messages:y/n 'no))
(util:display-hash-ref messages:messages 'terminating)]
[else
(init-prompt messages:messages 'choose-y/n)])))
(define (initialize)
(if (util:check-for-program-file)
(if (util:list-file-exists?)
(util:display-hash-ref messages:messages 'file-already-exists)
(begin
(init-prompt messages:messages 'init-y/n))))

14
messages.rkt
View File

@ -31,7 +31,7 @@
(format "~a\n" config:initialize-command)
"====\n"
(format "Creates ~a in ~a. This is where your todo list will be stored.\n\n"
config:program-file
config:list-file
config:program-directory)
"Example:\n"
@ -80,31 +80,31 @@
config:program-name)
'creating (format "> Creating ~a in ~a.\n"
config:program-file
config:list-file
config:program-directory)
'creation-error (string-append
(format "> Error: Could not create a(n) ~a in ~a.\n"
config:program-file
config:list-file
config:program-directory)
"> This might be due to directory permissions.\n")
'file-already-exists (format "> Error: ~a already exists in ~a~a.\n"
config:program-name
config:program-directory
config:program-file)
config:list-file)
'successfully-created (format "> ~a has been successfully created in ~a.\n"
config:program-directory
config:program-file)
config:list-file)
'file-not-found (format "> Error: Could not find ~a~a\n"
config:program-directory
config:program-file)
config:list-file)
'init-y/n (string-append
(format "> ~a will be created in ~a.\n"
config:program-file
config:list-file
config:program-directory)
"> Are you sure you want to continue? [y/n]\n")

127
util.rkt
View File

@ -8,33 +8,33 @@
(provide (all-defined-out))
(define (check-for-program-file)
(file-exists? config:path-to-file))
(define (list-file-exists?)
(file-exists? config:path-to-list-file))
(define (create-program-file)
(let ([opened-file (open-output-file config:path-to-file
(define (program-directory-exists?)
(directory-exists? config:program-directory))
(define (create-list-file-600 a-file)
(let ([opened-file (open-output-file a-file
#:mode 'text
#:exists 'truncate)])
(close-output-port opened-file))
(file-or-directory-permissions config:path-to-file #o600))
(file-or-directory-permissions a-file #o600))
(define (check-for-program-directory)
(directory-exists? config:program-directory))
(define (create-program-directory)
(make-directory config:program-directory)
(file-or-directory-permissions config:program-directory #o700))
(define (create-program-directory-700 a-directory)
(make-directory a-directory)
(file-or-directory-permissions a-directory #o700))
(define (display-hash-ref hash-list key)
(display (hash-ref hash-list key)))
(define (file->string-list config:path-to-file-to-file)
(let ([todo-list (file:file->lines config:path-to-file-to-file
#:mode 'text
#:line-mode 'any)])
(define (file->string-list a-file)
(let ([todo-list (file:file->lines a-file
#:mode 'text
#:line-mode 'any)])
todo-list))
(define (list-empty? lst)
(define (list-file-empty? lst)
(list:empty? (file->string-list lst)))
(define (get-removed-item lst args)
@ -43,26 +43,21 @@
(define (surround-with-quotation-marks args)
(display (string-append "\"" args "\"")))
(define (list->dotted-list lst)
(string-append lst "." " "))
(define (list->list-of-dotted-numbers lst)
(map (lambda (x) (string-append x ". "))
(map number->string (list:range (length lst)))))
(define (list->numbered-list lst)
;; Take the list made in the first (map), which is
;; '(0 1 2 ...), and append that to each item in a list
(map string-append
;; Note: compose starts from the last element in it's
;; list. In this case, it starts at (number->string).
(map (compose1 list->dotted-list number->string)
(list:range (length lst)))
(map (lambda (x y) (string-append x y))
(list->list-of-dotted-numbers lst)
lst))
(define (display-prettified-program-file)
(display (string:string-join
(list->numbered-list (file->string-list config:path-to-file))
"\n"
#:after-last "\n")))
(define (file->numbered-list-as-lines a-file)
(string:string-join (list->numbered-list (file->string-list a-file))
"\n"
#:after-last "\n"))
(define (append-item-to-end args lst)
(define (append-item-to-list args lst)
(reverse (cons args (reverse (file->string-list lst)))))
(define (display-item-added args)
@ -75,57 +70,51 @@
(surround-with-quotation-marks args)
(display-hash-ref messages:messages 'item-removed-suffix))
(define (show-list-from-program-file)
(cond [(and
(check-for-program-directory)
(check-for-program-file))
(if
(list-empty? config:path-to-file)
(display-hash-ref messages:messages 'empty-todo-list)
(display-prettified-program-file))]
(define (show-list-from-file a-file)
(cond [(and (program-directory-exists?)
(list-file-exists?))
(if (list-file-empty? a-file)
(display-hash-ref messages:messages 'empty-todo-list)
(display (file->numbered-list-as-lines a-file)))]
[else
(display-hash-ref messages:messages 'file-not-found)
(display-hash-ref messages:messages 'try-init)]))
(define (write-item-to-program-file args)
;; Add an item to the end of a list and write to a file
(let ([new-list (append-item-to-end args config:path-to-file)])
(file:display-to-file
(string:string-join new-list "\n") config:path-to-file
#:mode 'text
#:exists 'truncate)
;; After writing to the file, tell the user what was written
(display-item-added args)))
(define (write-item-to-file a-file args)
(let ([new-list (append-item-to-list args a-file)])
(file:display-to-file (string:string-join new-list "\n")
a-file
#:mode 'text
#:exists 'truncate))
(display-item-added args))
(define (add-item-to-list args)
(if (and (check-for-program-directory)
(check-for-program-file))
;; The cdr here prevents user commands, such as "add"
;; from being added to the file
(write-item-to-program-file (string:string-join (cdr (vector->list args))))
;; The cdr here prevents user commands, such as "add" from being added to the file
(define (add-item-to-list a-file args)
(if (and (program-directory-exists?)
(list-file-exists?))
(write-item-to-file a-file (string:string-join (cdr (vector->list args))))
;; Else
(begin
(display-hash-ref messages:messages 'file-not-found)
(display-hash-ref messages:messages 'try-init))))
(define (remove-item-from-program-file args)
(let* ([removed-item (get-removed-item config:path-to-file args)]
[new-list (remove removed-item (file->string-list config:path-to-file))])
(file:display-to-file
(string:string-join new-list "\n")
config:path-to-file
#:mode 'text
#:exists 'truncate)
(define (remove-item-from-list-file a-file args)
(let* ([removed-item (get-removed-item a-file args)]
[new-list (remove removed-item (file->string-list a-file))])
(file:display-to-file (string:string-join new-list "\n")
a-file
#:mode 'text
#:exists 'truncate)
(display-item-removed removed-item)))
(define (remove-item-from-list args)
(cond [(list-empty? config:path-to-file)
(define (remove-item-from-list a-file args)
(cond [(list-file-empty? a-file)
(display-hash-ref messages:messages 'empty-todo-list)]
[(and (check-for-program-directory)
(check-for-program-file))
(remove-item-from-program-file (vector-ref args 1))]
[(and (not (check-for-program-directory))
(not (check-for-program-file)))
[(and (program-directory-exists?)
(list-file-exists?))
(remove-item-from-list-file a-file (vector-ref args 1))]
[(and (not (program-directory-exists?))
(not (list-file-exists?)))
(begin
(display-hash-ref messages:messages 'file-not-found)
(display-hash-ref messages:messages 'try-init))]))