diff options
Diffstat (limited to 'src/lib/libremessages')
| -rwxr-xr-x | src/lib/libremessages | 207 |
1 files changed, 7 insertions, 200 deletions
diff --git a/src/lib/libremessages b/src/lib/libremessages index 528d9b6..647204a 100755 --- a/src/lib/libremessages +++ b/src/lib/libremessages @@ -1,19 +1,5 @@ #!/usr/bin/env bash -# This may be included with or without `set -euE` -# When run directly, it does `set -euE` - -# Copyright (C) 2011 Joshua Ismael Haase Hernández (xihh) <hahj87@gmail.com> -# Copyright (C) 2012 Nicolás Reynolds <fauno@parabola.nu> -# Copyright (C) 2012-2014 Luke Shumaker <lukeshu@sbcglobal.net> - -# For just the setup_traps() function: -# Copyright (C) 2002-2006 Judd Vinet <jvinet@zeroflux.org> -# Copyright (C) 2006-2010 Pacman Development Team <pacman-dev@archlinux.org> -# Copyright (C) 2005 Aurelien Foret <orelien@chez.com> -# Copyright (C) 2005 Christian Hamar <krics@linuxforum.hu> -# Copyright (C) 2006 Alex Smith <alex@alex-smith.me.uk> -# Copyright (C) 2006 Andras Voroskoi <voroskoi@frugalware.org> -# Copyright (C) 2006 Miklos Vajna <vmiklos@frugalware.org> +# Copyright (C) 2012-2014, 2016 Luke Shumaker <lukeshu@sbcglobal.net> # # License: GNU GPLv2+ # @@ -30,189 +16,10 @@ # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. -################################################################################ -# Inherit most functions from devtools # -################################################################################ - -. "$(librelib common.sh)" - -################################################################################ -# Own functions # -################################################################################ - -# Usage: panic -# -# For programming errors, bails immediately with little fanfare. -panic() { - echo "$(_l _ 'panic: malformed call to internal function')" >&2 - exit 1 -} - -# Usage: print MESG [ARGS...] -# -# Like printf, but gettext-aware, and prints a trailing newline -print() { - [[ $# -ge 1 ]] || panic - local mesg="$(_ "$1")" - shift - printf -- "$mesg\n" "$@" -} - -# Usage: whitespace_collapse <<<STRING -# -# Collapses whitespace on stadard I/O, similar to HTML whitespace -# collapsing, with the exception that it puts two spaces between -# sentences. It considers newline, tab, and space to be whitespace. -whitespace_collapse() { - [[ $# == 0 ]] || panic - - tr '\n' '\r' | sed -r \ - -e 's/\r/ /g' -e 's/\t/ /g' \ - -e 's/(^|[^.!? ]) +/\1 /g' -e 's/([.!?]) +/\1 /g' -} - - -# Usage: prose MESG [ARGS...] -# -# Do HTML-style whitespace collapsing on the first argument, translate -# it (gettext), then word-wrap it to 75 columns. This is useful for -# printing a paragraph of prose in --help text. -prose() { - [[ $# -ge 1 ]] || panic - local mesg="$(_ "$(whitespace_collapse <<<"$1")")"; shift - printf -- "$mesg" "$@" | fmt -u -} - -# Usage: bullet MESG [ARGS...] -# Like prose, but print a bullet "-" before the first line, and indent the -# remaining lines. -bullet() { - [[ $# -ge 1 ]] || panic - local mesg="$(_ "$(whitespace_collapse <<<"$1")")"; shift - # Wrap the text to 71 columns; 75 (the default) minus a 4 column indent - printf -- "$mesg" "$@" | fmt -u -w 71 | sed -e '1s/^/ - /' -e '2,$s/^/ /' -} - -# Usage: flag FLAG DESCRIPTION [FLAG2 DESCRIPTION2...] -# -# Print a flag and description formatted for --help text. -# -# ex: flag '-C <FILE>' 'Use this file instead of pacman.conf' -# -# The description is fed through gettext, the flag is not, so if part -# of the flag needs to be translated, you must do that yourself: -# -# ex: flag "-C <$(_ FILE)>" 'Use this file instead of pacman.conf' -# -# If you want to line-break the description in the source, so it isn't -# crazy-long, feel free, it is reflowed/wrapped the same way as prose -# and bullet. If you pass in multiple flag/description pairs at once, -# the descriptions are all alligned together. -flag() { - [[ $# == $(($#/2*2)) ]] || panic - local args=("$@") - - declare -i flaglen=0 - while [[ $# -gt 0 ]]; do - if [[ $1 == *: ]]; then - shift 1 - else - if [[ ${#1} -gt $flaglen ]]; then - flaglen=${#1} - fi - shift 2 - fi - 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, - # this should be increased in increments of 8 (that is, a - # literal-tab). Everything should be wrapped to 75 columns. - - # The printf-format we use has 4 spaces built into it (two at - # the beginning, and two for a seperator). Therefore, the - # default indent is 16-4=12 columns. And the width left for - # $desc is (75-4)-indent = 71-indent. - - declare -i indent=12 - while [[ $indent -lt $flaglen ]]; do - indent+=8 - done - local fmt2 fmt1 - fmt2=" %-${indent}s %s\n" - printf -v fmt1 " %-${indent}s %%s\n" '' - - while [[ $# -gt 0 ]]; do - 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 -} - -# Usage: term_title MESG [ARGS...] -# -# Sets the terminal title. -term_title() { - [[ $# -ge 1 ]] || panic - local fmt='' - case "$TERM" in - screen|tmux) fmt='\ek%s\e\\';; - xterm*|rxvt*) fmt='\e]0;%s\a';; - esac - printf "$fmt" "$(printf -- "$@")" -} - -# Usage: setup_traps [handler] -# -# Sets up traps on TERM, HUP, QUIT and INT signals, as well as the ERR -# event, similar to makepkg. -# -# If `handler` is specified, instead of using the default handler -# (which is good for most purposes), it will call the command handler -# with the arguments: -# -# ${handler} SIGNAL_NAME MESSAGE_FMT [MESSAGE_PARAMS...] -# -# where MESSAGE_* are printf-like stuff. -# -# This function is based on code from pacman:makepkg -setup_traps() { - [[ $# -le 1 ]] || panic - if [[ $# == 1 ]]; then - eval "_libremessages_trap_exit() { $1 \"\$@\"; }" - else - _libremessages_trap_exit() { - local signal=$1; shift - echo - error "$@" - trap -- "$signal" - kill "-$signal" "$$" - } - fi - set -E - for signal in TERM HUP QUIT; do - trap "_libremessages_trap_exit $signal '%s signal caught. Exiting...' $signal" $signal - done - trap '_libremessages_trap_exit INT "Aborted by user! Exiting..."' INT - trap '_libremessages_trap_exit USR1 "An unknown error has occurred. Exiting..."' ERR -} - -################################################################################ -# Run one of the defined functions if invoked directly # -################################################################################ - -if [[ "${0##*/}" == libremessages ]]; then - set -euE - "$@" +if [[ "${0##*/}" != libremessages ]]; then + . "$(librelib messages)" +else + set -euE + . "$(librelib messages)" + "$@" fi |