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[shtpl] Added template hashbang params resolution and help generator

master
dig 3 years ago
parent
commit
d0bf795dc7
  1. 113
      shtpl/shtpl

113
shtpl/shtpl

@ -1,5 +1,116 @@
#!/bin/bash
# force verbose
#_verbose=true
verbose(){ [[ $_verbose == true ]] && echo "$@"; }
debug(){ [[ $_verbose == true ]] && verbose -e "$(declare -p $@ | sed "s/^declare -\(.\) \([^=]*\)=/\\$c_purple\1 \\$c_cyan\2\\$c_yellow=\\$c_/")"; }
args=("$@")
opts=()
mandatories=()
envs=()
declare -A params=()
file=""
need_help=""
_icons=(🔘 ⚪ ⚫)
debug args
if [[ -r "${args[0]}" ]]
then
file="${args[0]}"
unset args[0]
elif [[ -r "${args[1]}" ]]
then
file="${args[1]}"
opts=(${args[0]})
unset args[0] args[1]
fi
args=("${args[@]}") # Re-index array after unset of some indexes
#declare -p args file opts
given()
{
[[ -z "${!1}" ]] && echo false || echo true
}
show_help()
{
local mands=$(for i in ${!mandatories[@]}
do
local mand="${mandatories[$i]}"
# debug mand
[[ $(given ${mandatories[$i]}) == true ]] &&
printf "$c_cyan⚫${mandatories[$i]}$c_ = $c_green\"${!mand}\"$c_\n " ||
printf "$c_light$c_red🔘${mandatories[$i]}$c_ is mandatory\n "
done)
local opts=$(for i in ${!envs[@]}
do
declare -a envar=(`echo "${envs[$i]}" | sed 's/=/ /'`)
printf "$c_light$c_blue⚪${envar[0]}$c_, defaults to $c_green\"${envar[1]}\"$c_\n "
done)
local exps=""
cat << EOF
SHTPL template $(echo -e "$c_purple$file$c_")
This template $([[ $isPipable == true ]] && echo is pipable and" ")needs:
$mands
and accepts optional:
$opts
Examples:
$(for i in ${!mandatories[@]}; do printf "${mandatories[$i]}=foo "; done)$file
$(for i in ${!mandatories[@]}; do printf "${mandatories[$i]}=foo "; done)$(for i in ${!envs[@]}; do printf "$(echo "${envs[$i]}" | sed 's/=.*//')=foo "; done)$file
$([[ $isPipable == true ]] && echo "something | ")$(for i in ${!mandatories[@]}; do printf "${mandatories[$i]}=foo "; done)$file
EOF
exit 0
}
param()
{
# echo param "$1"
local name="$(echo "$1" | sed 's/^-*\([^=]*\).*/\1/')" # | awk -F= '{print $1}')"
local value="$(echo "$1" | sed 's/^-+//' | awk -F= '{print $2}')"
# debug name value
params[$name]="${value:-true}"
case "$name" in
h|help) need_help=true; params[h]="${value:-true}"; params[help]="${value:-true}" ;;
v|verbose) _verbose=true; params[v]="${value:-true}"; params[verbose]="${value:-true}" ;;
p|pipable) isPipable=true; params[p]="${value:-true}"; params[pipable]="${value:-true}" ;;
esac
}
for i in ${!opts[@]}
do
case "${opts[$i]}" in
-*|--*) param "${opts[$i]}" ;;
*=*) envs+=("${opts[$i]}") ;;
*) mandatories+=("${opts[$i]}"); [[ $(given ${opts[$i]}) == false ]] && need_help=true ;;
esac
done
for i in ${!args[@]}
do
case "${args[$i]}" in
-*|--*) param "${args[$i]}" ;;
# *) ;;
esac
# [[ "${args[$i]}" == '-h' || "${args[$i]}" == '--help' ]] && need_help=true
done
debug args opts mandatories envs params file need_help _verbose isPipable
[[ $need_help == true ]] && show_help;
# Utils
@ -39,7 +150,7 @@ slug()
eval "echo \"$(cat $1 | sed '
# Suppress hashbang
1{ /#\!.*shtpl/ d }
1{ /#\!.*shtpl.*/ d }
# Excape quotes
s/"/\\"/g
')\""

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