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Diffstat (limited to 'external/autopygmentize')
-rwxr-xr-x | external/autopygmentize | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/external/autopygmentize b/external/autopygmentize new file mode 100755 index 00000000..f18cac09 --- /dev/null +++ b/external/autopygmentize @@ -0,0 +1,84 @@ +#!/bin/bash +# Best effort auto-pygmentization with transparent decompression +# by Reuben Thomas 2008-2015 +# This program is in the public domain. + +# Strategy: first see if pygmentize can find a lexer; if not, ask file; if that finds nothing, fail +# Set the environment variable PYGMENTIZE_OPTS or pass options before the file path to configure pygments. + +# This program can be used as a .lessfilter for the less pager to auto-color less's output + +file="${!#}" # last argument +options=${@:1:$(($#-1))} # handle others args as options to pass to pygmentize + +file_common_opts="--brief --dereference" + +lexer=$(pygmentize -N "$file") +if [[ "$lexer" == text ]]; then + unset lexer + case $(file --mime-type --uncompress $file_common_opts "$file") in + application/xml|image/svg+xml) lexer=xml;; + application/javascript) lexer=javascript;; + text/html) lexer=html;; + text/troff) lexer=nroff;; + text/x-asm) lexer=nasm;; + text/x-awk) lexer=awk;; + text/x-c) lexer=c;; + text/x-c++) lexer=cpp;; + text/x-diff) lexer=diff;; + text/x-fortran) lexer=fortran;; + text/x-gawk) lexer=gawk;; + text/x-java) lexer=java;; + text/x-lisp) lexer=common-lisp;; + text/x-lua) lexer=lua;; + text/x-makefile) lexer=make;; + text/x-msdos-batch) lexer=bat;; + text/x-nawk) lexer=nawk;; + text/x-pascal) lexer=pascal;; + text/x-perl) lexer=perl;; + text/x-php) lexer=php;; + text/x-po) lexer=po;; + text/x-python) lexer=python;; + text/x-ruby) lexer=ruby;; + text/x-crystal) lexer=crystal;; + text/x-shellscript) lexer=sh;; + text/x-tcl) lexer=tcl;; + text/x-tex|text/x-texinfo) lexer=latex;; # FIXME: texinfo really needs its own lexer + + # Types that file outputs which pygmentize didn't support as of file 5.20, pygments 2.0 + # text/calendar + # text/inf + # text/PGP + # text/rtf + # text/texmacs + # text/vnd.graphviz + # text/x-bcpl + # text/x-info + # text/x-m4 + # text/x-vcard + # text/x-xmcd + + text/plain) # special filenames. TODO: insert more + case $(basename "$file") in + .zshrc) lexer=sh;; + esac + ;; + esac +fi + +encoding=$(file --mime-encoding --uncompress $file_common_opts "$file") +if [[ $encoding == "binary" ]]; then + encoding="latin1" +fi + +if [[ -n "$lexer" ]]; then + concat=cat + case $(file $file_common_opts --mime-type "$file") in + application/x-gzip) concat=zcat;; + application/x-bzip2) concat=bzcat;; + application/x-xz) concat=xzcat;; + esac + exec $concat "$file" | pygmentize -O inencoding=$encoding $PYGMENTIZE_OPTS $options -l $lexer +fi + +exit 1 |