95 lines
2.4 KiB
Scheme
95 lines
2.4 KiB
Scheme
;; ,open let-opt
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(define (wait-for-key . optionals)
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(let-optionals optionals
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((tty-port (current-input-port)))
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(let* ((old (tty-info tty-port))
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(copy (copy-tty-info old)))
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(set-tty-info:local-flags
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copy
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(bitwise-and (tty-info:local-flags copy)
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(bitwise-not ttyl/canonical)))
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(set-tty-info:min copy 1)
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(set-tty-info:time copy 0)
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(set-tty-info/now tty-port copy)
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(let ((c (read-char tty-port)))
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(set-tty-info/now tty-port old)
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c))))
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(define (standard-command-plugin-completer command args)
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#f)
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(define (show-shell-screen)
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(def-prog-mode)
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(endwin)
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(display "Press any key to return to scsh-nuit...")
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(wait-for-key))
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(define (standard-command-plugin-evaluater command args)
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(def-prog-mode)
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(endwin)
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(let ((status (run (,command ,@args))))
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(display "Press any key to return to scsh-nuit...")
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(wait-for-key)
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status))
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(define standard-command-plugin
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(make-command-plugin #f
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standard-command-plugin-completer
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standard-command-plugin-evaluater))
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;; some common commands
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(define no-completer (lambda args #f))
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(register-plugin!
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(make-command-plugin "ls"
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no-completer
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(lambda (command args)
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(directory-files))))
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(register-plugin!
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(make-command-plugin "ps"
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no-completer
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(lambda (command args)
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(pps))))
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(register-plugin!
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(make-command-plugin "pwd"
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no-completer
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(lambda (command args)
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(cwd))))
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(register-plugin!
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(make-command-plugin "cd"
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no-completer
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(lambda (command args)
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(chdir (resolve-file-name (if (null? args)
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"~"
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(car args))))
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(cwd))))
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(register-plugin!
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(make-command-plugin "setenv"
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no-completer
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(lambda (command args)
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(setenv (car args) (cadr args)))))
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(register-plugin!
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(make-command-plugin "getenv"
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no-completer
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(lambda (command args)
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(getenv (car args)))))
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(register-plugin!
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(make-command-plugin "printenv"
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no-completer
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(lambda (command args)
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(env->alist))))
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(register-plugin!
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(make-command-plugin "exit"
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no-completer
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(lambda (command args)
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(exit (if (null? args)
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0
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(string->number (car args))))))) |