119 lines
2.4 KiB
Bash
Executable file
119 lines
2.4 KiB
Bash
Executable file
#!/usr/bin/env bash
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#shellcheck disable=SC2155
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error() {
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echo "error: $*" >&2
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}
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escape() {
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jq -Rr @html
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}
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_json_str() {
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printf '%s' "$1" | jq -Rr @json
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}
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_json_str_opt() {
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if [[ "${1:+x}" == 'x' ]]; then
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_json_str "$1"
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else
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printf 'null'
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fi
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}
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#shellcheck disable=SC2153
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metadata() {
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local title=$(_json_str "${TITLE?}")
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local description=$(_json_str "${DESCRIPTION?}")
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local author=$(_json_str "${AUTHOR:-$(id -un)}")
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local icon=$(_json_str_opt "$ICON")
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local icon_alt=$(_json_str_opt "$ICON_ALT")
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local color=$(_json_str_opt "$COLOR")
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local created_at=$(_json_str_opt "$CREATED_AT")
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local modified_at=$(_json_str_opt "$MODIFIED_AT")
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local tags=$(for tag in "${TAGS[@]}"; do printf '%s' "$tag" | jq -Rs .; done | jq -sr @json)
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local dont_cache=false
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[[ "${DONT_CACHE:+x}" == 'x' ]] && dont_cache=true
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printf '{"title":%s,"description":%s,"author":%s,"icon":%s,"icon_alt":%s,"color":%s,"created_at":%s,"modified_at":%s,"tags":%s,"dont_cache":%s}\n' \
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"$title" "$description" "$author" \
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"$icon" "$icon_alt" "$color" \
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"$created_at" "$modified_at" \
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"$tags" "$dont_cache"
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}
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header() {
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level=${1?need header level}
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if ! (( level >= 1 && level <= 5 )); then
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error "header level must be a number from 1 to 5"
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return 1
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fi
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printf '<h%d>%s</h%d>' "$level" "$(</dev/stdin)" "$level"
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}
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paragraph() {
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printf '<p>%s</p>' "$(</dev/stdin)"
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}
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image() {
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src=${1?need src}
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alt=${2?need alt}
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printf '<img src="%s" alt="%s">' "$(printf '%s' "$src" | escape)" "$(printf '%s' "$alt" | escape)"
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}
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link() {
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href=${1?need href}
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printf '<a href="%s">%s</a>' "$(printf '%s' "$href" | escape)" "$(</dev/stdin)"
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}
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br() {
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echo '<br>'
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}
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br_lines() {
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read -r first_line
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echo "$first_line"
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while read -r line; do
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printf '<br>%s\n' "$line"
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done
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}
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codeblock() {
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printf '<pre><code>'
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escape
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printf '</code></pre>'
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}
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render() {
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local birth=$(stat -c'%W' "$1")
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if (( birth > 0 )); then
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CREATED_AT=$(date --rfc-3339=seconds -d "@$birth")
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fi
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MODIFIED_AT=$(date --rfc-3339=seconds -d "@$(stat -c '%Y' "$1")")
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#shellcheck disable=SC1090
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( . "$1"; ) # the moment you've all been waiting for
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}
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print_help() {
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echo "Usage: $0 <SCRIPT>
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$0 -h|--help"
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}
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if ! ( return &>/dev/null ); then
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script=$1
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if [[ "${script:+x}" != 'x' ]]; then
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print_help
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exit 1
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elif [[ "$script" == "--help"
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|| "$script" == "-h" ]]; then
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print_help
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else
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render "$script"
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fi
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fi
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