fca165b274
* Created _ansi function library to set terminal properties like cursor position and text color. * Created _if function library, a set of simple if statements. Added _if_array_contains, _if_is_integer, _if_is defined, if_has_value
188 lines
4 KiB
Bash
188 lines
4 KiB
Bash
#!/bin/bash
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# doc ansi {
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#
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# NAME
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# ansi
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#
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# DESCRIPTION
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# Sets terminal properties such as cursor position and text color.
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#
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# USAGE
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# _ansi <command> [<arg>]
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#
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# COMMAND
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# lt <unit>
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# Moves cursor left
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#
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# dn <unit>
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# Moves cursor down
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#
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# up <unit>
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# Moves cursor up
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#
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# rt <unit>
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# Moves cursor right
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#
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# mc <column>;<line>
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# Moves cursor to <column> and <line>
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#
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# sc
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# Saves cursor position
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#
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# rc
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# Restores cursor position
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#
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# cl
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# Clears the line
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#
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# cs
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# Clears the screen
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#
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# fg <color>
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# Sets foreground to defined color
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#
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# bf <color>
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# Sets foreground to bold and defined color
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#
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# bg <color>
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# Sets background to defined color
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#
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# rs
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# Resets text to terminal default
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#
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# COLORS
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# blk
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# Color black
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#
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# red
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# Color red
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#
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# grn
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# Color green
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#
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# yel
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# Color yellow
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#
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# blu
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# Color blue
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#
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# mag
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# Color magenta
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#
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# cyn
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# Color cyan
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#
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# gry
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# Color grey
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#
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# }
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_cmd_to_ansi() {
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local CMD="${1}"; shift
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local cmdoptArray=("${@}")
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local ansiArray=(A B C D H s u K 2J m)
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for no in {0..12}; do
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if [ "${CMD}" == "${cmdoptArray[${no}]}" ]; then
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[[ ${no} -ge 9 ]] && local no=9
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echo ${ansiArray[${no}]}
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fi
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done
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}
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_color_to_ansi() {
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local COL=${1}; shift
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local coloptArray=(${@})
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for no in {0..7}; do
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if [ "${COL}" == "${coloptArray[${no}]}" ]; then
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echo $(( ${no} + 30 ))
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fi
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done
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}
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_arg_to_ansi() {
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local CMD=${1}; shift
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local ARG=${1}; shift
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local coloptArray=(${@})
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if [ "${CMD}" == "bf" ]; then
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echo "1;$(_color_to_ansi ${ARG} ${coloptArray[@]})"
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elif [ "${CMD}" == "fg" ]; then
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echo "$(_color_to_ansi ${ARG} ${coloptArray[@]})"
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elif [ "${CMD}" == "bg" ]; then
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echo "$(( $(_color_to_ansi ${ARG} ${coloptArray[@]}) + 10 ))"
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elif [ "${CMD}" == "rs" ]; then
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echo "0"
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else
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echo "${ARG}"
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fi
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}
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_ansi() {
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local CMD=${1}
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local ARG=${2}
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# Possible input arrays
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# All commands
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local cmdoptArray=(up dn rt lt mc sc rc cl cs fg bf bg rs)
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# No argument commands
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local cmdopt_noargArray=(sc rc cl cs rs)
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# One argument commands
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local cmdopt_intArray=(lt dn up rtc)
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# Coord only array
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local cmdopt_coordArray=(mc)
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# Color only commands
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local cmdopt_colorArray=(fg bf bg)
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# All colors
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local coloptArray=(blk red grn yel blu mag cyn gry)
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# cmd content sanity
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if [ -z ${CMD+x} ]; then
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_msg ECHO "_ansi(): Command not defined"
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elif ! _if_array_contains ${CMD} ${cmdoptArray[@]}; then
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_msg ECHO "_ansi(): ${CMD} not a command"
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fi
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# arg quantity sanity
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# no arg commands
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if _if_array_contains ${CMD} ${cmdopt_noargArray[@]}; then
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if [ -z ${ARG+x} ]; then
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_msg ECHO "_ansi(): ${CMD} expected no arguments"
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return 1
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fi
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# 1 arg commands
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elif _if_array_contains ${CMD} ${cmdopt_1argArray[@]}; then
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if [ -z ${ARG+x} ]; then
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_msg ECHO "_ansi(): ${CMD} expected 1 argument"
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return 1
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fi
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# arg content sanity
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# integer commands
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elif _if_array_contains ${CMD} ${cmdopt_intArray[@]}; then
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if ! _if_is_integer ${ARG}; then
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_msg ECHO "_ansi(): ${CMD} expected integer as argument"
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return 1
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fi
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# coord commands
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elif _if_array_contains ${CMD} ${cmdopt_coordArray[@]}; then
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if ! _if_integer $(echo ${ARG} | sed 's|;| |'); then
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_msg ECHO "_ansi(): ${CMD} expected integers as argument"
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fi
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# color commands
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elif _if_array_contains ${CMD} ${cmdopt_colorArray[@]}; then
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if ! _if_array_contains ${ARG} ${coloptArray[@]}; then
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_msg ECHO "_ansi(): ${CMD} expected argument to match ${coloptArray[@]}"
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return 1
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fi
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fi
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echo -e "\033[$(_arg_to_ansi ${CMD} ${ARG} ${coloptArray[@]})$(_cmd_to_ansi ${CMD} ${cmdoptArray[@]})"
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}
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