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cleaned up messages.rkt

main
m455 2019-08-25 18:37:34 -04:00
parent 9abb50b9bd
commit 7376d8efff
2 changed files with 156 additions and 180 deletions
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283
messages.rkt
View File

@ -1,153 +1,130 @@
#lang racket/base
(require (prefix-in config: "config.rkt"))
(provide (all-defined-out))
(define messages
(hash
'show-help (string-append
"Usage\n"
"=====\n"
"If you are using the "
"<" config:initialize-command ">" " or "
"<" config:list-command ">" " commands, follow the structure below:\n"
config:program-name " <command>\n"
"\n"
"If you are using the "
"<" config:add-command ">" " or "
"<" config:remove-command ">" " commands, follow the structure below:\n"
config:program-name " <command> [argument]\n"
"\n"
"Commands\n"
"========\n"
"<" config:initialize-command ">" ":\n"
"Create a file in "
config:program-directory
config:program-file
" where your to-do list will be stored\n"
"Example:\n"
config:program-name " "
config:initialize-command "\n"
"\n"
"<" config:list-command ">" ":\n"
"Displays items in the list\n"
"Example:\n"
config:program-name " "
config:list-command "\n"
"\n"
"<" config:add-command ">" " "
"[argument]:\n"
"Adds an item to the list\n"
"Example:\n"
config:program-name " "
config:add-command " "
"bread\n"
config:program-name " "
config:add-command " "
"this is an unquoted task\n"
config:program-name " "
config:add-command " "
"\"this is a quoted task which isn't any different from an unquoted task\"\n"
"\n"
"<" config:remove-command ">" " "
"[argument]:\n"
"Removes an item from the list\n"
"Example:\n"
config:program-name " " config:remove-command " " "1\n"
"\n"
"Note:\n"
"You may have to run "
"`" config:program-name " " config:list-command "`" " "
"see which number corresponds to which item in the list."
" In the example above, the first item was removed from the list\n"
"\n"
"Can't see the whole help message?\n"
"=================================\n"
"Try running "
"`" config:program-name " -h | less` to use the arrow keys "
"to scroll up and down through the help message, then when you "
"want to quit, just type `q` (without the grave accents)\n")
'empty-to-do-list "> There is nothing in your list \n"
'show-usage (string-append
"> For usage type "
"`" config:program-name " -h`"
" or "
"`" config:program-name " --help`\n")
'creating (string-append
"> Creating "
config:program-file
" file in "
config:program-directory "\n")
'creation-error (string-append
"> Error: Could not create "
config:program-file
" in "
config:program-directory
".\n"
"> This may be due to directory permissions\n")
'file-already-exists (string-append
"> Error: "
config:program-name
" already exists in "
config:program-directory
config:program-file "\n")
'successfully-created (string-append
"> "
config:program-directory
config:program-file
" has been successfully created\n")
'file-not-found (string-append
"> Error: Could not find "
config:program-directory
config:program-file "\n")
'init-y/n (string-append
"> A "
config:program-file
" file will be created in the directory "
config:program-directory "\n"
"> Are you sure you want to continue? [y/n]\n")
'try-init (string-append
"> Try typing "
"`" config:program-name " init` "
"to set it up\n")
'terminating (string-append
"> Exiting "
config:program-name
"\n")
'choose-y/n "> Error: Please choose y or n\n"
'not-in-list "> Error: Item does not exist\n"
'item-added-prefix "> Added "
'item-added-suffix " to list\n"
'item-removed-prefix "> Removed "
'item-removed-suffix " from list\n"))
(define y/n
(hash
'yes '("yes" "Yes" "y" "Y")
'no '("no" "No" "n" "N")))
#lang racket/base
(require (prefix-in config: "config.rkt"))
(provide (all-defined-out))
(define messages
(hash
'show-help (string-append
"Usage\n"
"=====\n"
(format "If you want to use the ~a or ~a commands, follow the structure below:\n"
config:initialize-command
config:list-command)
(format "~a <command>\n\n"
config:program-name)
(format "If you want to use the ~a or ~a commands, follow the structure below:\n"
config:add-command
config:remove-command)
(format "~a <command> [argument]\n\n" config:program-name)
"Note: Replace <command> with one of the Commands below without the surrounding \"<\" and \">\".\n\n"
"Commands\n"
"========\n"
(format "This section describes the commands available for ~a.\n\n" config:program-name)
(format "Note: The commands mentioned in this section should replace the \"<command>\" filler text found in the Usage section above.\n\n")
;; init
(format "~a\n" config:initialize-command)
"====\n"
(format "Creates a file in ~a~a. This is where your to-do list will be stored.\n\n"
config:program-directory
config:program-file)
"Example:\n"
(format "~a ~a\n\n" config:program-name config:initialize-command)
;; ls
(format "~a\n" config:list-command)
"====\n"
"Displays items in your to-do list.\n\n"
"Example:\n"
(format "~a ~a\n\n" config:program-name config:list-command)
(format "~a [argument(s)]\n" config:add-command)
"=================\n"
"Adds an item to the list.\n\n"
"Examples:\n"
(format "~a ~a this is an unquoted item\n" config:program-name config:add-command)
(format "~a ~a \"this is a quoted item\"\n\n" config:program-name config:add-command)
(format "~a [argument]\n" config:remove-command)
"=============\n"
"Removes an item from the list\n\n"
"Example:\n"
(format "~a ~a 1\n\n" config:program-name config:remove-command)
(format "Note: You may have to run `~a ~a` to see which number corresponds to which item in your to-do list."
config:program-name
config:list-command)
" "
"In the example above, the first item was removed from the to-do list.\n\n"
"Can't see the whole help message?\n"
"=================================\n"
(format "Try running `~a -h | less` so you can use the arrow keys to scrolll up and down."
config:program-name)
" "
"When you want to quit, type `q` (without the grave accents).")
'empty-to-do-list "> There is nothing in your list \n"
'show-usage (format "> For usage type `~a -h` or `~a --help`\n"
config:program-name
config:program-name)
'creating (format "> Creating a(n) ~a file in ~a\n"
config:program-file
config:program-directory)
'creation-error (string-append
(format "> Error: Could not create a(n) ~a in ~a.\n"
config:program-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)
'successfully-created (format "> ~a~a has been successfully created\n"
config:program-directory
config:program-file)
'file-not-found (format "> Error: Could not find ~a~a\n"
config:program-directory
config:program-file)
'init-y/n (string-append
(format "> A ~a file will be created in the ~a directory.\n"
config:program-file
config:program-directory)
"> Are you sure you want to continue? [y/n]\n")
'try-init (format "> Try typing `~a ~a` to set it up (without the grave accents).\n"
config:program-name
config:initialize-command)
'terminating (format "> Exiting ~a\n" config:program-name)
'choose-y/n "> Error: Please choose y or n\n"
'not-in-list "> Error: Item does not exist\n"
'item-added-prefix "> Added "
'item-added-suffix " to list\n"
'item-removed-prefix "> Removed "
'item-removed-suffix " from list\n"))
(define y/n (hash 'yes '("yes" "Yes" "y" "Y")
'no '("no" "No" "n" "N")))

53
util.rkt
View File

@ -30,8 +30,8 @@
(define (file->string-list config:path-to-file-to-file)
(let ([to-do-list (file:file->lines config:path-to-file-to-file
#:mode 'text
#:line-mode 'any)])
#:mode 'text
#:line-mode 'any)])
to-do-list))
(define (list-empty? lst)
@ -61,11 +61,10 @@
(define (display-prettified-program-file)
(display (string:string-join
(list->numbered-list (file->string-list config:path-to-file))
"\n"
#:after-last "\n")))
(list->numbered-list (file->string-list config:path-to-file))
"\n"
#:after-last "\n")))
;; Don't ask
(define (append-item-to-end args lst)
(reverse (cons args (reverse (file->string-list lst)))))
@ -81,45 +80,45 @@
(define (show-list-from-program-file)
(cond [(and
(check-for-program-directory)
(check-for-program-file))
(check-for-program-directory)
(check-for-program-file))
(if
(list-empty? config:path-to-file)
(display-hash-ref messages:messages 'empty-to-do-list)
(display-prettified-program-file))]
(list-empty? config:path-to-file)
(display-hash-ref messages:messages 'empty-to-do-list)
(display-prettified-program-file))]
[else
(display-hash-ref messages:messages 'file-not-found)
(display-hash-ref messages:messages 'try-init)]))
(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)
(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 (add-item-to-list args)
(if (and (check-for-program-directory)
(check-for-program-file))
;; The cdr here prevents the first command line argument ("add")
;; from being added to the file
(write-item-to-program-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))))
;; 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))))
;; 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)
(string:string-join new-list "\n")
config:path-to-file
#:mode 'text
#:exists 'truncate)
(display-item-removed removed-item)))
(define (remove-item-from-list args)