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author | Luke Shumaker <lukeshu@sbcglobal.net> | 2015-05-31 11:52:46 -0600 |
---|---|---|
committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2015-05-31 13:37:23 -0600 |
commit | 238d56a8dc7614813af3ed36bc6e5c51a6290c15 (patch) | |
tree | 171e85e689c9b5d3e35ef240ba7d15da7af6b255 /src/lib/libremessages | |
parent | a608070d29143f11826725ae0261bf0dcd902bc2 (diff) |
libremessages:flag: support sub-headings in the list of flags.
This changes libremessages:flag to treat would-be flagnames ending with ':'
specially--as a sub-heading in the list of flags. The next argument is
taken to be the next flag, not a description.
Diffstat (limited to 'src/lib/libremessages')
-rwxr-xr-x | src/lib/libremessages | 37 |
1 files changed, 23 insertions, 14 deletions
diff --git a/src/lib/libremessages b/src/lib/libremessages index 151674b..528d9b6 100755 --- a/src/lib/libremessages +++ b/src/lib/libremessages @@ -110,16 +110,20 @@ bullet() { # the descriptions are all alligned together. flag() { [[ $# == $(($#/2*2)) ]] || panic - local args=("$@") + declare -i flaglen=0 - declare -i i=0 - while [[ $i -lt $# ]]; do - if [[ ${#args[i]} -gt $flaglen ]]; then - flaglen=${#args[$i]} + while [[ $# -gt 0 ]]; do + if [[ $1 == *: ]]; then + shift 1 + else + if [[ ${#1} -gt $flaglen ]]; then + flaglen=${#1} + fi + shift 2 fi - i+=2 done + set -- "${args[@]}" # Unless the $flaglen is extra-wide, the $desc should start at # column 16 (that is two literal-tabs). If $flaglen is wide, @@ -140,14 +144,19 @@ flag() { printf -v fmt1 " %-${indent}s %%s\n" '' while [[ $# -gt 0 ]]; do - local flag=$1 - local desc="$(_ "$(whitespace_collapse <<<"$2")")" - shift 2 - - local lines - IFS=$'\n' lines=($(fmt -u -w $((71-indent)) <<<"$desc")) - printf -- "$fmt2" "$flag" "${lines[0]}" - [[ ${#lines[@]} -lt 2 ]] || printf -- "$fmt1" "${lines[@]:1}" + if [[ $1 == *: ]]; then + printf -- ' %s\n' "$(_ "$1")" + shift + else + local flag=$1 + local desc="$(_ "$(whitespace_collapse <<<"$2")")" + shift 2 + + local lines + IFS=$'\n' lines=($(fmt -u -w $((71-indent)) <<<"$desc")) + printf -- "$fmt2" "$flag" "${lines[0]}" + [[ ${#lines[@]} -lt 2 ]] || printf -- "$fmt1" "${lines[@]:1}" + fi done } |