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Fix string truncation

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This commit is contained in:
Mattia Basaglia 2015-05-24 17:27:12 +02:00
parent c7977cd03f
commit 3b12c83e16
1 changed files with 25 additions and 11 deletions
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36
systempony
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@ -163,7 +163,6 @@ function help()
echo
}
function list_ponies()
{
ponydir=$(get_data_file "rendered/ansi/")
@ -190,6 +189,26 @@ function get_data_file()
fi
}
# Returns the number of displayed characters, ignoring color codes
function strlen_color()
{
echo -n "$1" | sed -r 's/\x1b\[[0-9;]+m//g' | wc -c
}
# Truncates a string
function truncate_color()
{
local length="$(strlen_color "$1")"
local target="$2"
if [ "$length" -gt "$target" ]
then
let cut="$target-$length"
echo -n "$1" | head -c $cut
return
fi
echo "$1"
}
# Read global config
globalconfig=$(get_data_file systempony.conf)
if [ -r "$globalconfig" ]
@ -322,17 +341,12 @@ then
do
if [ $info_index -lt ${#INFO[@]} -a $current_line -ge $start_line ]
then
let msgsize="$COLUMNS - $info_x - $info_key_max_length - 3"
current_line_length=$(echo "$line" | sed -r 's/\x1b\[[0-9;]+m//g' | wc -c)
if [ $current_line_length -gt $info_x ]
then
let linediff="$current_line_length - $info_x"
line="$(echo "$line" | head -c -$linediff)";
fi
printf "%s \x1b[31;1m%-${info_key_max_length}s\x1b[0m: %s\n" \
"$line" \
let msgsize="$COLUMNS - $info_x - $info_key_max_length - 4"
line="$(truncate_color "$line" $info_x)"
printf "%s \x1b[31;1m%-${info_key_max_length}s\x1b[0m: %s %s\n" \
"$line$backspaces" \
"${INFO[$info_index]}" \
"$(echo -n "${info_values[$info_index]}" | head -c $msgsize)"
"$(truncate_color "${info_values[$info_index]}" $msgsize)"
let info_index++
else
echo -n "$line"