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#!/bin/sh
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#! vi: set noautoindent :: Vi/ViM
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#!/usr/bin/env vim
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#! This is a shell script that executes itself as a vimscript to do its work
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#!-
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#! Copyright (c) 2008 Matthew J. Wozniski <[email protected]>
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#! Copyright (c) 2017 Devin Teske <[email protected]>
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#! All rights reserved.
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#!
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#! Redistribution and use in source and binary forms, with or without
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	export line_offset=0
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#! modification, are permitted provided that the following conditions
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#! are met:
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		tmpfile=$( mktemp -t "${0##*/}" )
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#! 1. Redistributions of source code must retain the above copyright
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#!    notice, this list of conditions and the following disclaimer.
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#! 2. Redistributions in binary form must reproduce the above copyright
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		shift 1 # -
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#!    notice, this list of conditions and the following disclaimer in the
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#!    documentation and/or other materials provided with the distribution.
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		case "${UNAME_s:=$( uname -s )}" in
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#!
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		Darwin) line_offset=1 ;;
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#! THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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		esac
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#! ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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#! IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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#! ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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		-c "bufdo call AnsiHighlight()" -c qa < /dev/tty | sed
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#! FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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#! DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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#! OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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#! HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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"""
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#! LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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""" The remainder of this file is vimscript
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#! OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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"""
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#! SUCH DAMAGE.
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#!
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" AnsiHighlight:  Allows for marking up a file, using ANSI color escapes when
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#! $FreeBSD$
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"                 the syntax changes colors, for easy, faithful reproduction.
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#! $FrauBSD$
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" Author:         Matthew Wozniski ([email protected])
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#!
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" Date:           Wed, 18 Jan 2017 17:14:29 -0800
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#!########################################################## SH MAIN
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" Version:        1.1
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" History:        FIXME see :help marklines-history

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37-
" License:        BSD 3-Clause. Below copyright/license must be replicated.

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	case "$0" in

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" Copyright (c) 2008, Matthew J. Wozniski                                {{{1

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40-
" Copyright (c) 2017, Devin E. Teske <[email protected]>

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41-
" All rights reserved.

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" 

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43-
" Redistribution and use in source and binary forms, with or without

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	: ${UNAME_s:=$( uname -s )}

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" modification, are permitted provided that the following conditions are met:

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	export darwin=0

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"     * Redistributions of source code must retain the above copyright

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	case "$UNAME_s" in

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"       notice, this list of conditions and the following disclaimer.

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	Darwin) darwin=1 ;;

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"     * Redistributions in binary form must reproduce the above copyright

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48-
"       notice, this list of conditions and the following disclaimer in the

48+
49-
"       documentation and/or other materials provided with the distribution.

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50-
"     * The names of the contributors may not be used to endorse or promote

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		tmpfile=$( mktemp -t "${0##*/}.XXXXXXXX" )

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"       products derived from this software without specific prior written

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52-
"       permission.

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" 

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		[ $# -gt 0 ] && shift 1 # -

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" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ``AS IS'' AND ANY

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55-
" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

55+
56-
" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

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57-
" DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY

57+
58-
" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

58+
		-c "bufdo call AnsiHighlight()" -c qa < /dev/tty | awk '

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" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

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			NR == 1 { sub(/^[^"]*"[^"]*"[[:space:]]*/, "") }

60-
" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

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			gsub(/\x1b\[[[:digit:]]+;1H/, "") { }

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" ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

61+
			!/^\x1b\[\?1l/

62-
" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

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		'

63-
" SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

63+
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	exit

65-
" Turn off vi-compatible mode, unless it's already off                   {{{1

65+
66-
if &cp

66+
	: "The remainder of this file is vimscript"

67-
  set nocp

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#!########################################################## VIM FUNCTIONS

69
70-
let s:type = 'cterm'

70+
:

71-
if &t_Co == 0

71+
: "Convert info for a highlight group to a string of ANSI color escapes"

72-
  let s:type = 'term'

72+
:

73
function! s:GroupToAnsi(groupnum)

74
	if !exists("s:ansicache")

75-
" Converts info for a highlight group to a string of ANSI color escapes  {{{1

75+
		let s:ansicache = {}

76
	endif

77-
  if ! exists("s:ansicache")

77+
78-
    let s:ansicache = {}

78+
	let groupnum = a:groupnum

79-
  endif

79+
	if !groupnum

80
		let groupnum = hlID("Normal")

81-
  let groupnum = a:groupnum

81+
	endif

82
83-
  if groupnum == 0

83+
	if has_key(s:ansicache, groupnum)

84-
    let groupnum = hlID('Normal')

84+
		return s:ansicache[groupnum]

85-
  endif

85+
	endif

86
87-
  if has_key(s:ansicache, groupnum)

87+
	let rv = synIDattr(groupnum, "reverse", s:type)

88-
    return s:ansicache[groupnum]

88+
	if rv == "" || rv == -1

89-
  endif

89+
		let rv = 0

90
	endif

91-
  let fg = synIDattr(groupnum, 'fg', s:type)

91+
92-
  let bg = synIDattr(groupnum, 'bg', s:type)

92+
	let bd = synIDattr(groupnum, "bold", s:type)

93-
  let rv = synIDattr(groupnum, 'reverse', s:type)

93+
	if bd == "" || bd == -1

94-
  let bd = synIDattr(groupnum, 'bold', s:type)

94+
		let bd = 0

95
	endif

96-
  " FIXME other attributes?

96+
97
	let fg = synIDattr(groupnum, "fg", s:type)

98-
  if rv == "" || rv == -1

98+
	let bg = synIDattr(groupnum, "bg", s:type)

99-
    let rv = 0

99+
100-
  endif

100+
	if rv

101
		let temp = bg

102-
  if bd == "" || bd == -1

102+
		let bg = fg

103-
    let bd = 0

103+
		let fg = temp

104-
  endif

104+
	endif

105
106-
  if rv

106+
	if fg >= 8 && fg < 16

107-
    let temp = bg

107+
		let fg -= 8

108-
    let bg = fg

108+
		let bd = 1

109-
    let fg = temp

109+
	endif

110-
  endif

110+
111
	if fg == "" || fg == -1

112-
  if fg >= 8 && fg < 16

112+
		unlet fg

113-
    let fg -= 8

113+
	endif

114-
    let bd = 1

114+
115-
  endif

115+
	if !exists("fg") && !groupnum == hlID("Normal")

116
		let fg = synIDattr(hlID("Normal"), "fg", s:type)

117-
  if fg == "" || fg == -1

117+
		if fg == "" || fg == -1

118-
    unlet fg

118+
			unlet fg

119-
  endif

119+
		endif

120
	endif

121-
  if !exists('fg') && !groupnum == hlID('Normal')

121+
122-
    let fg = synIDattr(hlID('Normal'), 'fg', s:type)

122+
	if bg == "" || bg == -1

123-
    if fg == "" || fg == -1

123+
		unlet bg

124-
      unlet fg

124+
	endif

125-
    endif

125+
126-
  endif

126+
	if !exists("bg") && !groupnum == hlID("Normal")

127
		let bg = synIDattr(hlID("Normal"), "bg", s:type)

128-
  if bg == "" || bg == -1

128+
		if bg == "" || bg == -1

129-
    unlet bg

129+
			unlet bg

130-
  endif

130+
		endif

131
	endif

132-
  if !exists('bg') && !groupnum == hlID('Normal')

132+
133-
    let bg = synIDattr(hlID('Normal'), 'bg', s:type)

133+
	let retv = "\<Esc>[0"

134-
    if bg == "" || bg == -1

134+
135-
      unlet bg

135+
	if bd

136-
    endif

136+
		let retv .= ";1"

137-
  endif

137+
	endif

138
139-
  let retv = "\<Esc>[0"

139+
	if exists("fg") && fg < 8

140
		let retv .= ";3" . fg

141-
  if bd

141+
	elseif exists("fg")

142-
    let retv .= ";1"

142+
		let retv .= ";38;5;" . fg

143-
  endif

143+
	endif

144
145-
  if exists('fg') && fg < 8

145+
	if exists("bg") && bg < 8

146-
    let retv .= ";3" . fg

146+
		let retv .= ";4" . bg

147-
  elseif exists('fg')

147+
	elseif exists("bg")

148-
    let retv .= ";38;5;" . fg

148+
		let retv .= ";48;5;" . bg

149-
  endif

149+
	endif

150
151-
  if exists('bg') && bg < 8

151+
	let retv .= "m"

152-
    let retv .= ";4" . bg

152+
153-
  elseif exists('bg')

153+
	let s:ansicache[groupnum] = retv

154-
    let retv .= ";48;5;" . bg

154+
155-
  endif

155+
	return retv

156
endfunction

157-
  let retv .= "m"

157+
158
function! AnsiHighlight()

159-
  let s:ansicache[groupnum] = retv

159+
	let retv = []

160
161-
  return retv

161+
	for lnum in range(1, line("$"))

162
		let last = hlID("Normal")

163
		let output = s:GroupToAnsi(last) . "\<Esc>[K"

164
		

165-
  let retv = []

165+
		: "Hopefully fix highlighting sync issues"

166
		exe "norm! " . lnum . "G$"

167-
  for lnum in range(1, line('$') + $line_offset)

167+
		

168-
    let last = hlID('Normal')

168+
		let line = getline(lnum)

169-
    let output = s:GroupToAnsi(last) . "\<Esc>[K" " Clear to right

169+
		

170
		for cnum in range(1, col("."))

171-
    " Hopefully fix highlighting sync issues

171+
			if synIDtrans(synID(lnum, cnum, 1)) != last

172-
    exe "norm! " . lnum . "G$"

172+
				let last = synIDtrans(synID(lnum, cnum, 1))

173
				let output .= s:GroupToAnsi(last)

174-
    let line = getline(lnum)

174+
			endif

175
			

176-
    for cnum in range(1, col('.'))

176+
			let output .= matchstr(line, '\%(\zs.\)\{'.cnum.'}')

177-
      if synIDtrans(synID(lnum, cnum, 1)) != last

177+
		endfor

178-
        let last = synIDtrans(synID(lnum, cnum, 1))

178+
		

179-
        let output .= s:GroupToAnsi(last)

179+
		let retv += ["\r" . output]

180-
      endif

180+
	endfor

181
182-
      let output .= matchstr(line, '\%(\zs.\)\{'.cnum.'}')

182+
	: "Reset the colors to default after displaying the file"

183-
      "let line = substitute(line, '.', '', '')

183+
	let retv[-1] .= "\<Esc>[0m"

184-
      "let line = matchstr(line, '^\@<!.*')

184+
185-
    endfor

185+
	if !$darwin

186
		echo ""

187-
    let retv += ["\r" . output]

187+
	endif

188-
  endfor

188+
189
	return writefile([""] + retv, "/dev/stdout", "b")

190-
  " Reset the colors to default after displaying the file

190+
191-
  let retv[-1] .= "\<Esc>[0m"

191+
192
#!########################################################## VIM MAIN

193-
  echo ""

193+
194-
  return writefile([""] + retv, '/dev/stdout', 'b')

194+
set nocompatible

195-
endfunction
195+
if &t_Co

196
	let s:type = "cterm"

197
else

198
	let s:type = "term"

199
endif

200
201
: "Prevent statusmsg on exit when reading stdin on Darwin"

202
if $darwin

203
	let ignored = system(":")

204
endif

205
206
#!##############################################################################

207
#! END

208
#!##############################################################################
        

    


            


                                


        

            



                
    

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