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# easier alias to use the plugin
alias ccat='colorize_via_pygmentize'
alias cless='colorize_via_pygmentize_less'
colorize_via_pygmentize() {
local available_tools=("chroma" "pygmentize")
if [ -z "$ZSH_COLORIZE_TOOL" ]; then
if (( $+commands[pygmentize] )); then
ZSH_COLORIZE_TOOL="pygmentize"
elif (( $+commands[chroma] )); then
ZSH_COLORIZE_TOOL="chroma"
else
echo "Neither 'pygments' nor 'chroma' is installed!" >&2
return 1
fi
fi
if [[ ${available_tools[(Ie)$ZSH_COLORIZE_TOOL]} -eq 0 ]]; then
echo "ZSH_COLORIZE_TOOL '$ZSH_COLORIZE_TOOL' not recognized. Available options are 'pygmentize' and 'chroma'." >&2
return 1
elif (( $+commands["$ZSH_COLORIZE_TOOL"] )); then
echo "Package '$ZSH_COLORIZE_TOOL' is not installed!" >&2
return 1
fi
# If the environment variable ZSH_COLORIZE_STYLE
# is set, use that theme instead. Otherwise,
# use the default.
if [ -z "$ZSH_COLORIZE_STYLE" ]; then
# Both pygmentize & chroma support 'emacs'
ZSH_COLORIZE_STYLE="emacs"
fi
# pygmentize stdin if no arguments passed
if [ $# -eq 0 ]; then
if [[ "$ZSH_COLORIZE_TOOL" == "pygmentize" ]]; then
pygmentize -O style="$ZSH_COLORIZE_STYLE" -g
else
chroma --style="$ZSH_COLORIZE_STYLE"
fi
return $?
fi
# guess lexer from file extension, or
# guess it from file contents if unsuccessful
local FNAME lexer
for FNAME in "$@"
do
if [[ "$ZSH_COLORIZE_TOOL" == "pygmentize" ]]; then
lexer=$(pygmentize -N "$FNAME")
if [[ $lexer != text ]]; then
pygmentize -O style="$ZSH_COLORIZE_STYLE" -l "$lexer" "$FNAME"
else
pygmentize -O style="$ZSH_COLORIZE_STYLE" -g "$FNAME"
fi
else
chroma --style="$ZSH_COLORIZE_STYLE" "$FNAME"
fi
done
}
colorize_via_pygmentize_less() (
# this function is a subshell so tmp_files can be shared to cleanup function
declare -a tmp_files
cleanup () {
[[ ${#tmp_files} -gt 0 ]] && rm -f "${tmp_files[@]}"
exit
}
trap 'cleanup' EXIT HUP TERM INT
while (( $# != 0 )); do #TODO: filter out less opts
tmp_file="$(mktemp -t "tmp.colorize.XXXX.$(sed 's/\//./g' <<< "$1")")"
tmp_files+=("$tmp_file")
colorize_via_pygmentize "$1" > "$tmp_file"
shift 1
done
less -f "${tmp_files[@]}"
)
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