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1 #!/bin/sh
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2
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3 # Convert ANSI (terminal) colours and attributes to HTML
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4
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5 # Author:
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6 # http://www.pixelbeat.org/docs/terminal_colours/
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7 # Examples:
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8 # ls -l --color=always | ansi2html.sh > ls.html
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9 # git show --color | ansi2html.sh > last_change.html
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10 # Generally one can use the `script` util to capture full terminal output.
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11 # Changes:
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12 # V0.1, 24 Apr 2008, Initial release
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13 # V0.2, 01 Jan 2009, Phil Harnish <philharnish@gmail.com>
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14 # Support `git diff --color` output by
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15 # matching ANSI codes that specify only
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16 # bold or background colour.
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17 # P@draigBrady.com
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18 # Support `ls --color` output by stripping
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19 # redundant leading 0s from ANSI codes.
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20 # Support `grep --color=always` by stripping
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21 # unhandled ANSI codes (specifically ^[[K).
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22 # V0.3, 20 Mar 2009, http://eexpress.blog.ubuntu.org.cn/
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23 # Remove cat -v usage which mangled non ascii input.
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24 # Cleanup regular expressions used.
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25 # Support other attributes like reverse, ...
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26 # P@draigBrady.com
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27 # Correctly nest <span> tags (even across lines).
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28 # Add a command line option to use a dark background.
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29 # Strip more terminal control codes.
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30 # V0.4, 17 Sep 2009, P@draigBrady.com
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31 # Handle codes with combined attributes and color.
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32 # Handle isolated <bold> attributes with css.
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33 # Strip more terminal control codes.
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34 # V0.12, 12 Jul 2011
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35 # http://github.com/pixelb/scripts/commits/master/scripts/ansi2html.sh
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36
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37 if [ "$1" = "--version" ]; then
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38 echo "0.12" && exit
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39 fi
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40
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41 if [ "$1" = "--help" ]; then
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42 echo "This utility converts ANSI codes in data passed to stdin" >&2
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43 echo "It has 2 optional parameters:" >&2
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44 echo " --bg=dark --palette=linux|solarized|tango|xterm" >&2
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45 echo "E.g.: ls -l --color=always | ansi2html.sh --bg=dark > ls.html" >&2
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46 exit
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47 fi
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48
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49 [ "$1" = "--bg=dark" ] && { dark_bg=yes; shift; }
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50
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51 if [ "$1" = "--palette=solarized" ]; then
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52 # See http://ethanschoonover.com/solarized
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53 P0=073642; P1=D30102; P2=859900; P3=B58900;
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54 P4=268BD2; P5=D33682; P6=2AA198; P7=EEE8D5;
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55 P8=002B36; P9=CB4B16; P10=586E75; P11=657B83;
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56 P12=839496; P13=6C71C4; P14=93A1A1; P15=FDF6E3;
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57 shift;
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58 elif [ "$1" = "--palette=solarized-xterm" ]; then
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59 # Above mapped onto the xterm 256 color palette
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60 P0=262626; P1=AF0000; P2=5F8700; P3=AF8700;
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61 P4=0087FF; P5=AF005F; P6=00AFAF; P7=E4E4E4;
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62 P8=1C1C1C; P9=D75F00; P10=585858; P11=626262;
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63 P12=808080; P13=5F5FAF; P14=8A8A8A; P15=FFFFD7;
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64 shift;
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65 elif [ "$1" = "--palette=tango" ]; then
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66 # Gnome default
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67 P0=000000; P1=CC0000; P2=4E9A06; P3=C4A000;
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68 P4=3465A4; P5=75507B; P6=06989A; P7=D3D7CF;
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69 P8=555753; P9=EF2929; P10=8AE234; P11=FCE94F;
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70 P12=729FCF; P13=AD7FA8; P14=34E2E2; P15=EEEEEC;
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71 shift;
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72 elif [ "$1" = "--palette=xterm" ]; then
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73 P0=000000; P1=CD0000; P2=00CD00; P3=CDCD00;
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74 P4=0000EE; P5=CD00CD; P6=00CDCD; P7=E5E5E5;
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75 P8=7F7F7F; P9=FF0000; P10=00FF00; P11=FFFF00;
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76 P12=5C5CFF; P13=FF00FF; P14=00FFFF; P15=FFFFFF;
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77 shift;
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78 else # linux console
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79 P0=000000; P1=AA0000; P2=00AA00; P3=AA5500;
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80 P4=0000AA; P5=AA00AA; P6=00AAAA; P7=AAAAAA;
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81 P8=555555; P9=FF5555; P10=55FF55; P11=FFFF55;
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82 P12=5555FF; P13=FF55FF; P14=55FFFF; P15=FFFFFF;
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83 [ "$1" = "--palette=linux" ] && shift
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84 fi
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85
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86 [ "$1" = "--bg=dark" ] && { dark_bg=yes; shift; }
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87
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88 echo -n "<html>
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89 <head>
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90 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
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91 <style type=\"text/css\">
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92 .ef0,.f0 { color: #$P0; } .eb0,.b0 { background-color: #$P0; }
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93 .ef1,.f1 { color: #$P1; } .eb1,.b1 { background-color: #$P1; }
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94 .ef2,.f2 { color: #$P2; } .eb2,.b2 { background-color: #$P2; }
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95 .ef3,.f3 { color: #$P3; } .eb3,.b3 { background-color: #$P3; }
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96 .ef4,.f4 { color: #$P4; } .eb4,.b4 { background-color: #$P4; }
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97 .ef5,.f5 { color: #$P5; } .eb5,.b5 { background-color: #$P5; }
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98 .ef6,.f6 { color: #$P6; } .eb6,.b6 { background-color: #$P6; }
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99 .ef7,.f7 { color: #$P7; } .eb7,.b7 { background-color: #$P7; }
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100 .ef8, .f0 > .bold,.bold > .f0 { color: #$P8; font-weight: normal; }
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101 .ef9, .f1 > .bold,.bold > .f1 { color: #$P9; font-weight: normal; }
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102 .ef10,.f2 > .bold,.bold > .f2 { color: #$P10; font-weight: normal; }
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103 .ef11,.f3 > .bold,.bold > .f3 { color: #$P11; font-weight: normal; }
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104 .ef12,.f4 > .bold,.bold > .f4 { color: #$P12; font-weight: normal; }
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105 .ef13,.f5 > .bold,.bold > .f5 { color: #$P13; font-weight: normal; }
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106 .ef14,.f6 > .bold,.bold > .f6 { color: #$P14; font-weight: normal; }
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107 .ef15,.f7 > .bold,.bold > .f7 { color: #$P15; font-weight: normal; }
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108 .eb8 { background-color: #$P8; }
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109 .eb9 { background-color: #$P9; }
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110 .eb10 { background-color: #$P10; }
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111 .eb11 { background-color: #$P11; }
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112 .eb12 { background-color: #$P12; }
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113 .eb13 { background-color: #$P13; }
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114 .eb14 { background-color: #$P14; }
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115 .eb15 { background-color: #$P15; }
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116 "
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117
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118 # The default xterm 256 colour palette
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119 for red in $(seq 0 5); do
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120 for green in $(seq 0 5); do
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121 for blue in $(seq 0 5); do
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122 c=$((16 + ($red * 36) + ($green * 6) + $blue))
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123 r=$((($red * 40 + 55) * ($red > 0)))
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124 g=$((($green * 40 + 55) * ($green > 0)))
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125 b=$((($blue * 40 + 55) * ($blue > 0)))
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126 printf ".ef%d { color: #%2.2x%2.2x%2.2x; } " $c $r $g $b
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127 printf ".eb%d { background-color: #%2.2x%2.2x%2.2x; }\n" $c $r $g $b
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128 done
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129 done
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130 done
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131 for gray in $(seq 0 23); do
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132 c=$(($gray+232))
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133 l=$(($gray*10 + 8))
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134 printf ".ef%d { color: #%2.2x%2.2x%2.2x; } " $c $l $l $l
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135 printf ".eb%d { background-color: #%2.2x%2.2x%2.2x; }\n" $c $l $l $l
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136 done
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137
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138 echo -n '
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139 .f9 { color: '`[ "$dark_bg" ] && echo "#$P7;" || echo "#$P0;"`' }
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140 .b9 { background-color: #'`[ "$dark_bg" ] && echo $P0 || echo $P15`'; }
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141 .f9 > .bold,.bold > .f9, body.f9 > pre > .bold {
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142 /* Bold is heavy black on white, or bright white
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143 depending on the default background */
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144 color: '`[ "$dark_bg" ] && echo "#$P15;" || echo "#$P0;"`'
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145 font-weight: '`[ "$dark_bg" ] && echo 'normal;' || echo 'bold;'`'
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146 }
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147 .reverse {
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148 /* CSS doesnt support swapping fg and bg colours unfortunately,
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149 so just hardcode something that will look OK on all backgrounds. */
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150 '"color: #$P0; background-color: #$P7;"'
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151 }
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152 .underline { text-decoration: underline; }
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153 .line-through { text-decoration: line-through; }
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154 .blink { text-decoration: blink; }
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155
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156 </style>
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157 </head>
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158
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159 <body class="f9 b9">
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160 <pre>
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161 '
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162
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163 p='\x1b\[' #shortcut to match escape codes
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164 P="\(^[^°]*\)¡$p" #expression to match prepended codes below
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165
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166 # Handle various xterm control sequences.
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167 # See /usr/share/doc/xterm-*/ctlseqs.txt
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168 sed "
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169 s#\x1b[^\x1b]*\x1b\\\##g # strip anything between \e and ST
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170 s#\x1b][0-9]*;[^\a]*\a##g # strip any OSC (xterm title etc.)
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171
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172 #handle carriage returns
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173 s#^.*\r\{1,\}\([^$]\)#\1#
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174 s#\r\$## # strip trailing \r
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175
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176 # strip other non SGR escape sequences
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177 s#[\x07]##g
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178 s#\x1b[]>=\][0-9;]*##g
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179 s#\x1bP+.\{5\}##g
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180 s#${p}[0-9;?]*[^0-9;?m]##g
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181
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182 #remove backspace chars and what they're backspacing over
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183 :rm_bs
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184 s#[^\x08]\x08##g; t rm_bs
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185 " |
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186
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187 # Normalize the input before transformation
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188 sed "
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189 # escape HTML
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190 s#\&#\&#g; s#>#\>#g; s#<#\<#g; s#\"#\"#g
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191
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192 # normalize SGR codes a little
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193
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194 # split 256 colors out and mark so that they're not
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195 # recognised by the following 'split combined' line
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196 :e
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197 s#${p}\([0-9;]\{1,\}\);\([34]8;5;[0-9]\{1,3\}\)m#${p}\1m${p}¬\2m#g; t e
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198 s#${p}\([34]8;5;[0-9]\{1,3\}\)m#${p}¬\1m#g;
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199
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200 :c
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201 s#${p}\([0-9]\{1,\}\);\([0-9;]\{1,\}\)m#${p}\1m${p}\2m#g; t c # split combined
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202 s#${p}0\([0-7]\)#${p}\1#g #strip leading 0
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203 s#${p}1m\(\(${p}[4579]m\)*\)#\1${p}1m#g #bold last (with clr)
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204 s#${p}m#${p}0m#g #add leading 0 to norm
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205
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206 # undo any 256 color marking
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207 s#${p}¬\([34]8;5;[0-9]\{1,3\}\)m#${p}\1m#g;
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208
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209 # map 16 color codes to color + bold
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210 s#${p}9\([0-7]\)m#${p}3\1m${p}1m#g;
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211 s#${p}10\([0-7]\)m#${p}4\1m${p}1m#g;
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212
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213 # change 'reset' code to a single char, and prepend a single char to
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214 # other codes so that we can easily do negative matching, as sed
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215 # does not support look behind expressions etc.
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216 s#°#\°#g; s#${p}0m#°#g
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217 s#¡#\¡#g; s#${p}[0-9;]*m#¡&#g
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218 " |
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219
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220 # Convert SGR sequences to HTML
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221 sed "
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222 :ansi_to_span # replace ANSI codes with CSS classes
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223 t ansi_to_span # hack so t commands below only apply to preceeding s cmd
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224
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225 /^[^¡]*°/ { b span_end } # replace 'reset code' if no preceeding code
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226
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227 # common combinations to minimise html (optional)
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228 s#${P}3\([0-7]\)m¡${p}4\([0-7]\)m#\1<span class=\"f\2 b\3\">#;t span_count
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229 s#${P}4\([0-7]\)m¡${p}3\([0-7]\)m#\1<span class=\"f\3 b\2\">#;t span_count
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230
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231 s#${P}1m#\1<span class=\"bold\">#; t span_count
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232 s#${P}4m#\1<span class=\"underline\">#; t span_count
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233 s#${P}5m#\1<span class=\"blink\">#; t span_count
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234 s#${P}7m#\1<span class=\"reverse\">#; t span_count
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235 s#${P}9m#\1<span class=\"line-through\">#; t span_count
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236 s#${P}3\([0-9]\)m#\1<span class=\"f\2\">#; t span_count
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237 s#${P}4\([0-9]\)m#\1<span class=\"b\2\">#; t span_count
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238
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239 s#${P}38;5;\([0-9]\{1,3\}\)m#\1<span class=\"ef\2\">#; t span_count
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240 s#${P}48;5;\([0-9]\{1,3\}\)m#\1<span class=\"eb\2\">#; t span_count
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241
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242 s#${P}[0-9;]*m#\1#g; t ansi_to_span # strip unhandled codes
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243
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244 b # next line of input
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245
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246 # add a corresponding span end flag
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247 :span_count
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248 x; s/^/s/; x
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249 b ansi_to_span
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250
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251 # replace 'reset code' with correct number of </span> tags
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252 :span_end
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253 x
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254 /^s/ {
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255 s/^.//
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256 x
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257 s#°#</span>°#
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258 b span_end
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259 }
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260 x
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261 s#°##
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262 b ansi_to_span
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263 " |
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264
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265 # Convert alternative character set
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266 # Note we convert here, as if we do at start we have to worry about avoiding
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267 # conversion of SGR codes etc., whereas doing here we only have to
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268 # avoid conversions of stuff between &...; or <...>
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269 #
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270 # Note we could use sed to do this based around:
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271 # sed 'y/abcdefghijklmnopqrstuvwxyz{}`~/▒␉␌␍␊°±␋┘┐┌└┼⎺⎻─⎼⎽├┤┴┬│≤≥π£◆·/'
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272 # However that would be very awkward as we need to only conv some input.
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273 # The basic scheme that we do in the python script below is:
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274 # 1. enable transliterate once ¡ char seen
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275 # 2. disable once µ char seen (may be on diff line to ¡)
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276 # 3. never transliterate between &; or <> chars
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277 sed "
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278 # change 'smacs' and 'rmacs' to a single char so that we can easily do
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279 # negative matching, as sed does not support look behind expressions etc.
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280 # Note we don't use ° like above as that's part of the alternate charset.
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281 s#\x1b(0#¡#g;
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282 s#µ#\µ#g; s#\x1b(B#µ#g
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283 " |
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284 (
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285 python -c "
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286 # vim:fileencoding=utf8
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287
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288 import sys
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289 import locale
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290 encoding=locale.getpreferredencoding()
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291
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292 old='abcdefghijklmnopqrstuvwxyz{}\`~'
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293 new='▒␉␌␍␊°±␋┘┐┌└┼⎺⎻─⎼⎽├┤┴┬│≤≥π£◆·'
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294 new=unicode(new, 'utf-8')
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295 table=range(128)
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296 for o,n in zip(old, new): table[ord(o)]=n
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297
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298 (STANDARD, ALTERNATIVE, HTML_TAG, HTML_ENTITY) = (0, 1, 2, 3)
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299
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300 state = STANDARD
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301 last_mode = STANDARD
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302 for c in unicode(sys.stdin.read(), encoding):
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303 if state == HTML_TAG:
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304 if c == '>':
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305 state = last_mode
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306 elif state == HTML_ENTITY:
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307 if c == ';':
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308 state = last_mode
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309 else:
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310 if c == '<':
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311 state = HTML_TAG
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312 elif c == '&':
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313 state = HTML_ENTITY
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314 elif c == u'¡' and state == STANDARD:
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315 state = ALTERNATIVE
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316 last_mode = ALTERNATIVE
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317 continue
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318 elif c == u'µ' and state == ALTERNATIVE:
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319 state = STANDARD
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320 last_mode = STANDARD
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321 continue
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322 elif state == ALTERNATIVE:
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323 c = c.translate(table)
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324 sys.stdout.write(c.encode(encoding))
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325 " 2>/dev/null ||
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326 sed 's/[¡µ]//g' # just strip aternative flag chars
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327 )
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328
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329 echo "</pre>
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330 </body>
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331 </html>"
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