Commit 9be01fdf authored by Egmont Koblinger's avatar Egmont Koblinger

sgr-test.sh: New script for testing SGR escape sequences

https://bugzilla.gnome.org/show_bug.cgi?id=721761
parent a8af47bc
......@@ -5,6 +5,7 @@ EXTRA_DIST = \
inc.sh \
random.sh \
scroll.vim \
sgr-test.sh \
utf8.sh \
vim.sh \
$(NULL)
......
#!/usr/bin/env bash
# Tester for various SGR attributes.
# Copyright (C) 2017 Egmont Koblinger
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
words=( Efg Ijk Pqr Xyz)
words_comment=(normal "green text" "magenta background" "bright red underline")
words_start=( "" 32 45 58:5:9)
words_end=( "" 39 49 59)
attr_name=(bold dim italic underline underline "double underline" "double underline" "curly underline" blink reverse hidden strikethrough overline)
attr_start=( 1 2 3 4 4:1 21 4:2 4:3 5 7 8 9 53)
attr_end=( 22 22 23 24 4:0 24 4:0 4:0 25 27 28 29 55)
col_name=("normal")
col_start=("")
col_end=("")
row_name=("normal")
row_start=("")
row_end=("")
# Construct the cell's contents
cell=""
cell_width=0
for (( i = 0; i < ${#words[@]}; i++ )); do
if [ $i != 0 ]; then
cell="$cell "
cell_width=$((cell_width+1))
fi
if [ -n "${words_start[i]}" ]; then
cell="$cell"$'\e['"${words_start[i]}m"
fi
cell="$cell${words[i]}"
cell_width=$((cell_width+${#words[i]}))
if [ -n "${words_end[i]}" ]; then
cell="$cell"$'\e['"${words_end[i]}m"
fi
done
# Fill up the row_* arrays based on attr_*.
col1_width=6
for (( i = 0; i < ${#attr_name[@]}; i++ )); do
rn="${attr_name[i]} (${attr_start[i]}/${attr_end[i]})"
if [ ${#rn} -gt $col1_width ]; then
col1_width=${#rn}
fi
row_name+=("$rn")
row_start+=($'\e['"${attr_start[i]}m")
row_end+=($'\e['"${attr_end[i]}m")
done
# Fill up the col_* arrays based on the cmdline parameters
for arg; do
name=""
start=""
end=""
IFS="+" read -r -a codes <<< "$arg"
for code in "${codes[@]}"; do
for (( i = 0; i < ${#attr_name[@]}; i++ )); do
if [ "$code" = "${attr_name[i]}" -o "$code" = "${attr_start[i]}" ]; then
if [ -n "$name" ]; then
name="$name + "
fi
name="$name${attr_name[i]} (${attr_start[i]}/${attr_end[i]})"
start="$start"$'\e['"${attr_start[i]}m"
end=$'\e['"${attr_end[i]}m$end"
break
fi
done
done
if [ -n "$name" ]; then
col_name+=("$name")
col_start+=("$start")
col_end+=("$end")
fi
done
echo "Hint:"
echo " Specify command line arguments (attribute names or starting numbers)"
echo " to create columns for them. Use the + sign to enable more attributes at once."
echo " E.g.: ${0##*/} 1 7+8, or ${0##*/} bold reverse+hidden."
echo
echo "Sample text is:"
for (( i = 0; i < ${#words[@]}; i++ )); do
echo -n " ${words[i]}: ${words_comment[i]}"
if [ -n "${words_start[i]}" -o -n "${words_end[i]}" ]; then
echo -n " (${words_start[i]}/${words_end[i]})"
fi
echo
done
echo
# Print the top header, using multiple lines if necessary
again=1
while [ $again = 1 ]; do
again=0
printf "%${col1_width}s"
for (( col = 0; col < ${#col_end[@]}; col++ )); do
echo -n " "
printf "%-${cell_width}.${cell_width}s" "${col_name[col]}"
col_name[col]="${col_name[col]:cell_width}"
if [ -n "${col_name[col]}" ]; then
again=1
fi
done
echo
done
# Print the body of the table
for (( row = 0; row < ${#row_end[@]}; row++ )); do
printf "%-${col1_width}.${col1_width}s" "${row_name[row]}"
for (( col = 0; col < ${#col_end[@]}; col++ )); do
echo -n " "
echo -n "${row_start[row]}"
echo -n "${col_start[col]}"
echo -n "$cell"
echo -n "${col_end[col]}"
echo -n "${row_end[row]}"
done
echo
done
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