89 lines
2.6 KiB
Factor
89 lines
2.6 KiB
Factor
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! :folding=indent:collapseFolds=1:
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! $Id$
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!
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! Copyright (C) 2004 Slava Pestov.
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!
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! Redistribution and use in source and binary forms, with or without
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! modification, are permitted provided that the following conditions are met:
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!
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! 1. Redistributions of source code must retain the above copyright notice,
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! this list of conditions and the following disclaimer.
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!
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! 2. Redistributions in binary form must reproduce the above copyright notice,
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! this list of conditions and the following disclaimer in the documentation
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! and/or other materials provided with the distribution.
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!
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! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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IN: ansi
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USE: combinators
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USE: lists
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USE: kernel
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USE: format
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USE: namespaces
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USE: stack
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USE: stdio
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USE: streams
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USE: strings
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! Some words for outputting ANSI colors.
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: black 0 ; inline
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: red 1 ; inline
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: green 2 ; inline
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: yellow 3 ; inline
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: blue 4 ; inline
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: magenta 5 ; inline
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: cyan 6 ; inline
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: white 7 ; inline
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: clear ( -- code )
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#! Clear screen
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"\e[2J\e[H" ; inline
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: reset ( -- code )
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#! Reset ANSI color codes.
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"\e[0m" ; inline
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: bold ( -- code )
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#! Switch on boldface.
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"\e[1m" ; inline
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: fg ( color -- code )
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#! Set foreground color.
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"\e[3" swap "m" cat3 ; inline
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: bg ( color -- code )
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#! Set foreground color.
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"\e[4" swap "m" cat3 ; inline
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: ansi-attrs ( style -- )
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"bold" over assoc [ bold , ] when
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"ansi-fg" over assoc [ fg , ] when*
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"ansi-bg" over assoc [ bg , ] when*
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drop ;
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: ansi-attr-string ( string style -- string )
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[ ansi-attrs , reset , ] make-string ;
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: <ansi-stream> ( stream -- stream )
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#! Wraps the given stream in an ANSI stream. ANSI streams
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#! support the following character attributes:
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#! bold - if not f, text is boldface.
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#! ansi-fg - foreground color
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#! ansi-bg - background color
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<extend-stream> [
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( string style -- )
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[ ansi-attr-string write ] "fwrite-attr" set
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] extend ;
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