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tmux-fingers/scripts/hints.sh
2016-05-05 23:44:09 +02:00

67 lines
1.7 KiB
Bash
Executable File

#!/usr/bin/env bash
CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
COLON_ESCAPE_SEQUENCE="!!!!COLON!!!!"
HINTS=(p o i u l k j t r e wj wt wr we ww wq wf wd ws wa qp qo qi qu ql qk qj qt qr qe qw qq qf qd qs qa fp fo fi fu fl fk fj ft fr fe fw fq ff fd fs fa dp do di du dl dk dj dt dr de dw dq df dd ds da sp so si su sl sk sj st sr se sw sq sf sd ss sa ap ao ai au al ak aj at ar ae aw aq af ad as aa)
match_lookup_table=''
function get_hint() {
echo "${HINTS[$1]}"
}
function highlight() {
printf "\033[1;33m%s\033[0m" "$1"
}
function escape_colons(){
echo $1 | sed "s/:/$COLON_ESCAPE_SEQUENCE/${2:-g}"
}
function unescape_colons(){
echo $1 | sed "s/$COLON_ESCAPE_SEQUENCE/:/${2:-g}"
}
function escape_match() {
# escapes all colons except the first one
unescape_colons "$(escape_colons "$1")" "1"
}
function lookup_match() {
local input=$1
unescape_colons $(echo -e "$match_lookup_table" | grep -i "^$input:" | cut -f2 -d:)
}
lines=''
OLDIFS=$IFS
IFS=
while read -r line
do
lines+="$line\n"
done < /dev/stdin
IFS=$OLDIFS
matches=$(echo -e $lines | (grep -oniE "$PATTERNS" 2> /dev/null) | sort -u)
output="$lines"
i=0
OLDIFS=$IFS
IFS=$(echo -en "\n\b") # wtf bash?
for match in $matches ; do
#TODO improve escape/unscape hackery here
match=$(escape_match "$match")
hint=$(get_hint $i)
linenumber=$(echo $match | cut -f1 -d:)
escaped_text=$(echo $match | cut -f2 -d:)
unescaped_text=$(unescape_colons $escaped_text)
output=$(echo -ne "$output" | sed "${linenumber}s!${unescaped_text//!/\\!}!$(highlight ${unescaped_text//!/\\!}) $(highlight "[${hint//!/\\!}]")!g")
match_lookup_table="$match_lookup_table\n$hint:$escaped_text"
i=$((i + 1))
done
IFS=$OLDIFS
function print_hints() {
echo -ne "$output"
}