Date: Tue, 10 Feb 2015 03:15:54 +0000 (UTC) From: Devin Teske <dteske@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r278491 - head/usr.sbin/bsdconfig/share Message-ID: <201502100315.t1A3FsNu015658@svn.freebsd.org>
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Author: dteske Date: Tue Feb 10 03:15:54 2015 New Revision: 278491 URL: https://svnweb.freebsd.org/changeset/base/278491 Log: Add bsdconfig api function f_dialog_menutag2help() Modified: head/usr.sbin/bsdconfig/share/dialog.subr Modified: head/usr.sbin/bsdconfig/share/dialog.subr ============================================================================== --- head/usr.sbin/bsdconfig/share/dialog.subr Tue Feb 10 03:12:11 2015 (r278490) +++ head/usr.sbin/bsdconfig/share/dialog.subr Tue Feb 10 03:15:54 2015 (r278491) @@ -2116,6 +2116,39 @@ f_dialog_menutag2index_with_help() return $FAILURE } +# f_dialog_menutag2help $tag_chosen $tag1 $item1 $help1 $tag2 $item2 $help2 ... +# +# To use the `--menu' option of dialog(1) with the `--item-help' option, you +# must pass an ordered list of tag/item/help triplets on the command-line. When +# the user selects a menu option the tag for that item is printed to stderr. +# +# This function allows you to dereference the tag chosen by the user back into +# the help associated with said tag (item is discarded/ignored). +# +# Pass the tag chosen by the user as the first argument, followed by the +# ordered list of tag/item/help triplets (HINT: use the same tag/item/help list +# as was passed to dialog(1) for consistency). +# +# If the tag cannot be found, NULL is returned. +# +f_dialog_menutag2help() +{ + local tag="$1" tagn help + shift 1 # tag + + while [ $# -gt 0 ]; do + tagn="$1" + help="$3" + shift 3 # tagn/item/help + + if [ "$tag" = "$tagn" ]; then + echo "$help" + return $SUCCESS + fi + done + return $FAILURE +} + ############################################################ INIT FUNCTIONS # f_dialog_init
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