114 lines
3.0 KiB
Bash
114 lines
3.0 KiB
Bash
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#!/bin/sh
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#―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――
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# Name: chatdir-in
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# Desc: A simple wrapper for sending messages in a chatdir, w autocomplete
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# and all that sweet stuff.
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# Reqs: rwlrap, shell
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# Date: 2023-02-14
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# Lisc: CC0; jadedctrl <jadedctrl@posteo.at>
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#―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――
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# Create the auto-complete file used by rlwrap, containing users anc channel-names
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prep_auto_complete() {
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local file="$1"
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ls "$CHATDIR" \
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> "$file"
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if test -n "$CHANNEL"; then
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ls "$CHATDIR/$CHANNEL/.users/online/" \
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>> "$file"
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fi
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}
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# Take in user-input with the oh-so-pretty rlwrap
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# seriously, <3<3,3 rlwrap I love you marry me
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# have my babies rlwrap! have my babies!
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# we'll live in a secluded cottage, with nary a
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# bad piece of code. it'll be a very sugary life,
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# my dearest rlwrap. just you and I in the world,
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# no-one else
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get_input() {
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prep_auto_complete "$AUTO_COMPLETE_FILE"
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rlwrap --one-shot \
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--substitute-prompt='» ' \
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--break-chars "$(printf '\n')" \
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--extra-char-after-completion='' \
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--file "$AUTO_COMPLETE_FILE" \
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cat
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}
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# Find out if the user is selecting a channel, or sending a message; act appropriately.
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parse_input() {
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local input="$1"
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if test -d "$CHATDIR/$input" -a -d "$CHATDIR/$input/.in/"; then
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set_channel "$input"
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elif test -n "$input"; then
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send_message "$input"
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fi
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}
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# Send a message to the selected channel, and echo it
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send_message() {
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local message="$1"
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if test -z "$CHANNEL"; then
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echo "No channel set; type in its name verbatim, first."
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else
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echo "$message" \
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> "$CHATDIR/$CHANNEL/.in/input"
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echo "$CHATDIR/$CHANNEL ← $message"
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fi
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}
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# Set the selected channel, and brag about it
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set_channel() {
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local channel="$1"
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if test -d "$CHATDIR/$channel" -a -d "$CHATDIR/$channel/.in/"; then
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CHANNEL="$channel"
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echo "— $CHANNEL —"
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fi
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}
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help() {
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echo "usage: $(basename "$0") CHATD_DIR"
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echo ""
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echo "Chatdir daemons send plain-text files placed in .in/ directories as messages."
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echo "This script is a wrapper around that: Just type in a message and hit ENTER"
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echo "to send it to the currently selected channel. To select a channel, type in"
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echo "a line solely containing the verbatim channel name."
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echo "TAB-completion is supported, for both channel-names and for online users."
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echo "rlwrap is used for input."
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exit 2
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}
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if test ! -d "$1"; then
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help
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fi
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echo "~~ $(basename $0) ~~"
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echo "No channel selected."
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echo "Select a channel by typing in its name verbatim!"
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CHATDIR="$1"
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CHANNEL=""
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AUTO_COMPLETE_FILE="$(mktemp --suffix=.chatd-in)"
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INPUT=""
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while INPUT="$(get_input)"; do
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parse_input "$INPUT"
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done
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rm "$AUTO_COMPLETE_FILE"
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