public
Last active

Modified version of Matthew Wozniski's vimcat.sh

  • Download Gist
vimcat.sh
Shell
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182
#!/bin/bash
#!/usr/bin/env vim
#! This is a bash script that executes itself as a vimscript to do its work
#! vim:ft=vim:ts=2:sts=2:sw=2
 
: if 0
tmpfile=$(mktemp -t vimcat.XXXXXXXX)
exec 9<>"$tmpfile"
rm "$tmpfile"
 
output="$(vim -e -X -R "$@" -c "source $0" -c "visual" -c "bufdo call AnsiHighlight()" -c qa 9>&1 &>/dev/null)"
exec 9<&-
echo "$output"
exit
: endif
 
" AnsiHighlight: Allows for marking up a file, using ANSI color escapes when
" the syntax changes colors, for easy, faithful reproduction.
" Author: Matthew Wozniski (mjw@drexel.edu)
" Date: Fri, 01 Aug 2008 05:22:55 -0400
" Version: 1.0 FIXME
" History: FIXME see :help marklines-history
" License: BSD. Completely open source, but I would like to be
" credited if you use some of this code elsewhere.
 
" Copyright (c) 2008, Matthew J. Wozniski {{{1
" All rights reserved.
"
" Redistribution and use in source and binary forms, with or without
" modification, are permitted provided that the following conditions are met:
" * Redistributions of source code must retain the above copyright
" notice, this list of conditions and the following disclaimer.
" * Redistributions in binary form must reproduce the above copyright
" notice, this list of conditions and the following disclaimer in the
" documentation and/or other materials provided with the distribution.
" * The names of the contributors may not be used to endorse or promote
" products derived from this software without specific prior written
" permission.
"
" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ``AS IS'' AND ANY
" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
" DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
" ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
" SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
" Turn off vi-compatible mode, unless it's already off {{{1
if &cp
set nocp
endif
 
let s:type = 'cterm'
if &t_Co == 0
let s:type = 'term'
endif
 
" Converts info for a highlight group to a string of ANSI color escapes {{{1
function! s:GroupToAnsi(groupnum)
if ! exists("s:ansicache")
let s:ansicache = {}
endif
 
let groupnum = a:groupnum
 
if groupnum == 0
let groupnum = hlID('Normal')
endif
 
if has_key(s:ansicache, groupnum)
return s:ansicache[groupnum]
endif
 
let fg = synIDattr(groupnum, 'fg', s:type)
let bg = synIDattr(groupnum, 'bg', s:type)
let rv = synIDattr(groupnum, 'reverse', s:type)
let bd = synIDattr(groupnum, 'bold', s:type)
 
" FIXME other attributes?
 
if rv == "" || rv == -1
let rv = 0
endif
 
if bd == "" || bd == -1
let bd = 0
endif
 
if rv
let temp = bg
let bg = fg
let fg = temp
endif
 
if fg >= 8 && fg < 16
let fg -= 8
let bd = 1
endif
 
if fg == "" || fg == -1
unlet fg
endif
 
if !exists('fg') && !groupnum == hlID('Normal')
let fg = synIDattr(hlID('Normal'), 'fg', s:type)
if fg == "" || fg == -1
unlet fg
endif
endif
 
if bg == "" || bg == -1
unlet bg
endif
 
if !exists('bg') && !groupnum == hlID('Normal')
let bg = synIDattr(hlID('Normal'), 'bg', s:type)
if bg == "" || bg == -1
unlet bg
endif
endif
 
"let retv = "\<Esc>[22;24;25;27;28;49" " I added 49 to reset default background
let retv = "\<Esc>[0" " Why didn't the script use this all along? Doesn't it work everywhere?
 
if bd
let retv .= ";1"
endif
 
if exists('fg') && fg < 8
let retv .= ";3" . fg
elseif exists('fg')
let retv .= ";38;5;" . fg " 38;5 is for 256-color xterm
endif
 
if exists('bg') && bg < 8
let retv .= ";4" . bg
elseif exists('bg')
let retv .= ";48;5;" . bg " 48;5 is for 256-color xterm
endif
 
let retv .= "m"
 
let s:ansicache[groupnum] = retv
 
return retv
endfunction
 
function! AnsiHighlight()
let retv = []
 
for lnum in range(1, line('$'))
let last = hlID('Normal')
let output = s:GroupToAnsi(last) . "\<Esc>[K" " Clear to right
 
" Hopefully fix highlighting sync issues
exe "norm! " . lnum . "G$"
 
let line = getline(lnum)
 
for cnum in range(1, col('.'))
if synIDtrans(synID(lnum, cnum, 1)) != last
let last = synIDtrans(synID(lnum, cnum, 1))
let output .= s:GroupToAnsi(last)
endif
 
let output .= matchstr(line, '\%(\zs.\)\{'.cnum.'}')
"let line = substitute(line, '.', '', '')
"let line = matchstr(line, '^\@<!.*')
endfor
 
let retv += [output]
endfor
 
" Reset the colors to default after displaying the file
let retv[-1] .= "\<Esc>[0m"
 
"return writefile(retv, '/proc/self/fd/9')
return writefile(retv, '/dev/fd/9')
endfunction

Please sign in to comment on this gist.

Something went wrong with that request. Please try again.