86 lines
2.8 KiB
Plaintext
86 lines
2.8 KiB
Plaintext
provide-module menu %§§
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define-command menu -params 1.. -docstring %{
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menu [<switches>] <name1> <commands1> <name2> <commands2>...: display a
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menu and execute commands for the selected item
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-auto-single instantly validate if only one item is available
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-select-cmds each item specify an additional command to run when selected
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} %{
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evaluate-commands %sh{
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auto_single=false
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select_cmds=false
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stride=2
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on_abort=
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while true
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do
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case "$1" in
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(-auto-single) auto_single=true ;;
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(-select-cmds) select_cmds=true; stride=3 ;;
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(-on-abort) on_abort="$2"; shift ;;
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(-markup) ;; # no longer supported
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(*) break ;;
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esac
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shift
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done
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if [ $(( $# % $stride )) -ne 0 ]; then
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echo fail "wrong argument count"
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exit
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fi
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if $auto_single && [ $# -eq $stride ]; then
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printf %s "$2"
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exit
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fi
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shellquote() {
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printf "'%s'" "$(printf %s "$1" | sed "s/'/'\\\\''/g; s/§/§§/g; $2")"
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}
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cases=
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select_cases=
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completion=
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nl=$(printf '\n.'); nl=${nl%.}
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while [ $# -gt 0 ]; do
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title=$1
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command=$2
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completion="${completion}${title}${nl}"
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cases="${cases}
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($(shellquote "$title" s/¶/¶¶/g))
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printf '%s\\n' $(shellquote "$command" s/¶/¶¶/g)
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;;"
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if $select_cmds; then
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select_command=$3
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select_cases="${select_cases}
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($(shellquote "$title" s/¶/¶¶/g))
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printf '%s\\n' $(shellquote "$select_command" s/¶/¶¶/g)
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;;"
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fi
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shift $stride
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done
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printf "\
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prompt '' %%§
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evaluate-commands %%sh¶
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case \"\$kak_text\" in \
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%s
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(*) echo fail -- no such item: \"'\$(printf %%s \"\$kak_text\" | sed \"s/'/''/g\")'\" ;;
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esac
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¶
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§" "$cases"
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if $select_cmds; then
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printf " \
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-on-change %%§
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evaluate-commands %%sh¶
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case \"\$kak_text\" in \
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%s
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(*) : ;;
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esac
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¶
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§" "$select_cases"
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fi
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if [ -n "$on_abort" ]; then
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printf " -on-abort '%s'" "$(printf %s "$on_abort" | sed "s/'/''/g")"
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fi
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printf ' -menu -shell-script-candidates %%§
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printf %%s %s
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§\n' "$(shellquote "$completion")"
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}
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}
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