48 lines
1.4 KiB
Racket
48 lines
1.4 KiB
Racket
#lang racket/base
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(require (prefix-in config: "config.rkt")
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(prefix-in init: "init.rkt")
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(prefix-in file: racket/file)
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(prefix-in messages: "messages.rkt")
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(prefix-in utils: "utils.rkt"))
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(provide (all-defined-out))
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(define (check-args args)
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(let ([args-length (length args)]
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[is-member? (lambda (command) (member (list-ref args 0) command))]
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[args-second (string->number (list-ref args 1))])
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(cond
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[(equal? args-length 0)
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(utils:display-messages '(show-usage))]
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;; help-command
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[(and (equal? args-length 1)
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(is-member? config:help-commands))
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(utils:display-messages '(show-help))]
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;; initialize-command
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[(and (equal? args-length 1)
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(is-member? config:initialize-commands))
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(init:check-initialize-conditions)]
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;; add-command
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[(and (>= args-length 2)
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(is-member? config:add-commands))
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(utils:check-add-conditions args)]
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;; list-command
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[(and (equal? args-length 1)
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(is-member? config:list-commands))
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(utils:check-list-conditions)]
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;; remove-command
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[(and (equal? args-length 2)
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(is-member? config:remove-commands)
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(real? args-second)
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(or (positive? args-second)
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(zero? args-second)))
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(utils:check-remove-conditions args)]
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[else (utils:display-messages '(show-usage))])))
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