124 lines
2.8 KiB
Racket
124 lines
2.8 KiB
Racket
#lang racket/base
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(require racket/list
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racket/file
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racket/string
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"config.rkt"
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"io.rkt"
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"messages.rkt")
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(provide (all-defined-out))
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(define (d-hash-ref hash-list key)
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(display (hash-ref hash-list key)))
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(define (d-vector-ref args key)
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(display (vector-ref args key)))
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(define (file->string-list path-to-file)
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(let
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([todo-list
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(file->lines
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path-to-file
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#:mode 'text
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#:line-mode 'any)])
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todo-list))
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(define (list-empty? lst)
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(empty? (rest (file->string-list lst))))
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(define (quote-item-in-list lst args)
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(display
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(string-append
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"\""
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(list-ref lst (string->number args))
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"\"")))
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(define (quote-item-in-vector args)
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(display
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(string-append
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"\"" args "\"")))
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(define (number-list lst)
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(map
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string-append
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(map
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number->string
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(rest (range (length lst))))
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(rest lst)))
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(define (indent-list)
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(lambda (lst)
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(string-append ". " lst)))
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(define (prettify-list)
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(display
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(string-join
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(number-list (map (indent-list) (file->string-list path)))
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"\n"
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#:after-last "\n")))
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(define (show-list)
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(cond
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[(and
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(check-for-folder)
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(check-for-file))
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(if
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(list-empty? path)
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(d-hash-ref messages 'empty-todo-list)
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(prettify-list))]
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[else
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(d-hash-ref messages 'file-not-found)
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(d-hash-ref messages 'try-init)]))
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(define (add-item-to-file args)
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(let ([args (string-append args "\n")])
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(display-to-file
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args
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path
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#:mode 'text
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#:exists 'append)))
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(define (add-item args)
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(if
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(and
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(check-for-folder)
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(check-for-file))
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(begin
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(add-item-to-file (vector-ref args 1))
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(d-hash-ref messages 'item-added-prefix)
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(quote-item-in-vector (vector-ref args 1))
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(d-hash-ref messages 'item-added-suffix))
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(begin
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(d-hash-ref messages 'file-not-found)
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(d-hash-ref messages 'try-init))))
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(define (remove-item-from-file args)
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(d-hash-ref messages 'item-removed-prefix)
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(quote-item-in-list (file->string-list path) args)
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(d-hash-ref messages 'item-removed-suffix)
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(let ([new-list
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(remove (list-ref
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(file->string-list path)
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(string->number
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args))
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(file->string-list path))])
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(display-to-file
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(string-join new-list "\n" #:after-last "\n")
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path
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#:mode 'text
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#:exists 'replace)))
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(define (remove-item args)
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(cond
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[(list-empty? path)
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(d-hash-ref messages 'empty-todo-list)]
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[(and
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(check-for-folder)
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(check-for-file))
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(remove-item-from-file (vector-ref args 1))]
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[(and (not (check-for-folder)) (not (check-for-file)))
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(begin
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(d-hash-ref messages 'file-not-found)
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(d-hash-ref messages 'try-init))]))
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