106 lines
3.2 KiB
Bash
Executable File
106 lines
3.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# template.sh - basic templating engine
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# render(array, template_file)
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function render() {
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local template="$(cat "$2" | tr -d $'\01'$'\02' | sed 's/\&/<2F>UwU<77>/g')"
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local -n ref=$1
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local tmp=$(mktemp)
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for key in ${!ref[@]}; do
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if [[ "$key" == "_"* ]]; then # iter mode
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local value=''
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subtemplate=$(mktemp)
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subtemplate_tmp=$(mktemp)
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echo "$template" | sed 's/\&/<2F>UwU<77>/g' | grep "{{start $key}}" -A99999 | grep "{{end $key}}" -B99999 | tr -d $'\01'$'\02' | tr '\n' $'\01' > "$subtemplate"
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echo 's'$'\02''\{\{start '"$key"'\}\}.*\{\{end '"$key"'\}\}'$'\02''\{\{'"$key"'\}\}'$'\02'';' >> "$tmp"
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local -n asdf=${ref[$key]}
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for j in ${!asdf[@]}; do
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local -n fdsa=_${asdf[$j]}
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for i in ${!fdsa[@]}; do
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echo 's'$'\02''\{\{.'"$i"'\}\}'$'\02'''"${fdsa[$i]}"''$'\02''g;' | tr '\n' $'\01' | sed -E 's/'$'\02'';'$'\01''/'$'\02'';/g;s/'$'\02''g;'$'\01''/'$'\02''g;/g' >> "$subtemplate_tmp"
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done
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echo 's'$'\02''\{\{start '"$key"'\}\}'$'\02'$'\02' >> "$subtemplate_tmp"
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echo 's'$'\02''\{\{end '"$key"'\}\}'$'\02'$'\02' >> "$subtemplate_tmp"
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value+="$(cat "$subtemplate" | tr '\n' $'\01' | sed -E -f "$subtemplate_tmp" | tr $'\01' '\n')"
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rm "$subtemplate_tmp"
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done
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echo 's'$'\02''\{\{'"$key"'\}\}'$'\02'''"$value"''$'\02'';' >> "$tmp"
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rm "$subtemplate"
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elif [[ "${ref[$key]}" != "" ]]; then
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local value="$(html_encode "${ref[$key]}" | sed -E 's/\&/<2F>UwU<77>/g')"
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echo 's'$'\02''\{\{\.'"$key"'\}\}'$'\02'''"$value"''$'\02''g;' >> "$tmp"
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else
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echo 's'$'\02''\{\{\.'"$key"'\}\}'$'\02'$'\02''g;' >> "$tmp"
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fi
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done
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cat "$tmp" | tr '\n' $'\01' | sed -E 's/'$'\02'';'$'\01''/'$'\02'';/g;s/'$'\02''g;'$'\01''/'$'\02''g;/g' > "${tmp}_"
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template="$(tr '\n' $'\01' <<< "$template" | sed -E -f "${tmp}_" | tr $'\01' '\n')"
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sed -E 's/<2F>UwU<77>/\&/g' <<< "$template"
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rm "$tmp"
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}
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# render_unsafe(array, template_file)
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function render_unsafe() {
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local template="$(cat "$2")"
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local -n ref=$1
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local tmp=$(mktemp)
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for key in ${!ref[@]}; do
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if [[ "$key" == "_"* ]]; then # iter mode
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# grep "start _test" -A99999 | grep "end _test" -B99999
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local -n item_array=${ref[$key]}
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local value
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for ((i = 0; i < ${#item_array[@]}; i++)); do
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value+="$(xxd -ps <<< "${item_array[$i]}" | tr -d '\n' | sed -E 's/../\\x&/g')"
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done
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echo 's/\{\{'"$key"'\}\}/'"$value"'/g' >> "$tmp"
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else
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local value="$(xxd -ps <<< "${ref[$key]}" | tr -d '\n' | sed -E 's/../\\x&/g')"
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echo 's/\{\{\.'"$key"'\}\}/'"$value"'/g' >> "$tmp"
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fi
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done
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sed -E -f "$tmp" <<< "$template"
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rm "$tmp"
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}
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# mmmm this should be a library because i am so much copying those later
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# _nested_random
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function _nested_random() {
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dd if=/dev/urandom bs=1 count=16 status=none | xxd -p
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}
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# nested_declare(ref)
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function nested_declare() {
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declare -g -a $1
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}
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# nested_add(ref, array)
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function nested_add() {
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local nested_id=$(_nested_random)
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declare -n nested_ref=$2
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declare -g -A _$nested_id
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# poor man's array copy
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for i in ${!nested_ref[@]}; do
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declare -g -A _$nested_id[$i]="${nested_ref[$i]}"
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done
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local -n ref=$1
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ref+=("$nested_id")
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}
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# nested_get(ref, i)
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function nested_get() {
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local -n ref=$1
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declare -g -n res=_${ref[$2]}
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}
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