Created
November 16, 2012 21:12
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Modified version of Matthew Wozniski's vimcat.sh
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#!/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 ([email protected]) | |
" 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 |
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