137 lines
5.5 KiB
Bash
137 lines
5.5 KiB
Bash
#!/bin/bash
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FormatTabLength=8
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FormatValidSpecifiers='%([+-]?([0-9]+|\*)?(\.([0-9]+|\*))?)?[bqdiouxXfeEgGcsnaA]'
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# This should be relocated (here temporarily)
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tabs -$FormatTabLength # Set tab width to var
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#format_strip_specifiers() {
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# FormatStripSpecifiers=$(echo "$1" | sed -r "s/$FormatValidSpecifiers//g")
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#}=
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function format_strip_invisibles() {
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# This function currently only strips the following:
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# Color escape sequences, & control characters
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FormatStripInvisibles=$(echo "$1" | sed -r 's/\\(e\[([0-9]*;?[0-9]+)m|(t|n))//g')
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}
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function format_expand_invisibles() {
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FormatExpandInvisibles=$(echo "$1" | sed -r 's/\\(e\[([0-9]*;?[0-9]+)m|n)/%0s/g; s/\\t/%'"$FormatTabLength"'s/g')
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}
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function format_list_specifiers() {
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# Special specifier also included (with length value as '*').
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FormatListSpecifiers=($(echo "$1" | grep -oP "$FormatValidSpecifiers"))
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}
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# Statics are all specifiers with a fixed size
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function format_calculate_statics_length() {
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local __format_calculate_statics_length__specifiers=("${!2}")
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if [ ! "$2" ]; then
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echo "format_calculate_statics_length missing \$2"
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format_list_specifiers "$1"
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__format_calculate_statics_length__specifiers=("${FormatListSpecifiers[@]}")
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fi
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FormatCalculateStaticsLength=$(echo "${__format_calculate_statics_length__specifiers[@]}" | sed -r 's/\.[0-9]+s/s/g' | grep -oP '\d+' | awk 'BEGIN {s=0} {s+=$0} END {print s}')
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}
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function format_calculate_literals_length() {
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local __format_calculate_literals_length__normalizedFormat="`echo "$2" | sed -r 's/%%|\*\*/X/g'`"
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local __format_calculate_literals_length__specifiers=("${!3}")
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if [ ! "$2" ]; then
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echo "format_calculate_literals_length missing \$2"
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format_strip_invisibles "$1"
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__format_calculate_literals_length__normalizedFormat="`echo "$FormatStripInvisibles" | sed -r 's/%%|\*\*/X/g'`"
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fi
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if [ ! "$3" ]; then
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echo "format_calculate_literals_length missing \$3"
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format_list_specifiers "$1"
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__format_calculate_literals_length__specifiers=("${FormatListSpecifiers[@]}")
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fi
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FormatCalculateLiteralsLength=$((${#__format_calculate_literals_length__normalizedFormat} - ($(echo "${__format_calculate_literals_length__specifiers[@]}" | wc -m) - ${#__format_calculate_literals_length__specifiers[@]})))
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}
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function format_calculate_dynamics_length() {
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local __format_calculate_dynamics_length__staticsLength=$2
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local __format_calculate_dynamics_length__literalsLength=$3
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if [ ! "$2" ]; then
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echo "format_calculate_dynamics_length missing \$2"
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format_expand_invisibles "$1"
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format_list_specifiers "$FormatExpandInvisibles"
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format_calculate_statics_length X FormatListSpecifiers[@]
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__format_calculate_dynamics_length__staticsLength=$FormatCalculateStaticsLength
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fi
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if [ ! "$3" ]; then
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if [ "$2" ]; then
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format_expand_invisibles "$1"
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format_list_specifiers "$FormatExpandInvisibles"
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fi
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echo "format_calculate_dynamics_length missing \$3"
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format_calculate_literals_length X "$FormatExpandInvisibles" FormatListSpecifiers[@]
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__format_calculate_dynamics_length__literalsLength=$FormatCalculateLiteralsLength
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fi
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FormatCalculateDynamicsLength=$(( $(tput cols) - (__format_calculate_dynamics_length__staticsLength + __format_calculate_dynamics_length__literalsLength) ))
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}
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function format_calculate_autosize_length() {
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local __format_calculate_autosize_length__dynamicsLength=$2
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local __format_calculate_autosize_length__dynamicsCount=$3
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if [ ! "$2" ]; then
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format_expand_invisibles "$1"
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format_list_specifiers "$FormatExpandInvisibles"
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format_calculate_statics_length X FormatListSpecifiers[@]
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format_calculate_literals_length X "$FormatExpandInvisibles" FormatListSpecifiers[@]
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format_calculate_dynamics_length X "$FormatCalculateStaticsLength" "$FormatCalculateLiteralsLength"
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__format_calculate_autosize_length__dynamicsLength=$FormatCalculateDynamicsLength
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fi
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if [ ! "$3" ]; then
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if [ "$2" ]
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then format_list_specifiers "$1"
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fi
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# local __format_calculate_autosize_length__dynamics=("${FormatListSpecifiers[@]}")
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# ("`echo "${FormatListSpecifiers[@]}" | awk '{ for(i = 1; i <= NF; i++) { if ($i !~ /[0-9]+/) print $i; } }'`")
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__format_calculate_autosize_length__dynamicsCount=0
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for __format_calculate_autosize_length__specifier in "${FormatListSpecifiers[@]}"; do
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if echo "$__format_calculate_autosize_length__specifier" | grep '\*' >/dev/null 2>&1; then
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((__format_calculate_autosize_length__dynamicsCount++))
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fi
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done
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fi
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if [ $__format_calculate_autosize_length__dynamicsCount -ne 0 -a \
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$__format_calculate_autosize_length__dynamicsLength -ge 0 ]
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then FormatCalculateAutosizeLength=$(( __format_calculate_autosize_length__dynamicsLength / __format_calculate_autosize_length__dynamicsCount ))
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else FormatCalculateAutosizeLength=0
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fi
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}
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# Note that this does not yet support multiple lines (multiple \n).
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function format_apply_autosize() {
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format_calculate_autosize_length "$1"
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FormatApplyAutosize=$(echo "$1" | sed -r 's/\*\.\*/'"$FormatCalculateAutosizeLength"'.'"$FormatCalculateAutosizeLength"'/g; s/(^|[^*])\*([^*]|$)/\1'"$FormatCalculateAutosizeLength"'\2/g; s/\*\*/*/g')
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}
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function format_center_static() {
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format_strip_invisibles "$1"
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local __format_center_static__text_length=${#FormatStripInvisibles}
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format_apply_autosize "%*s%${__format_center_static__text_length}s%*s"
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FormatCenterStatic=$(printf "$FormatApplyAutosize" "" "$1" "")
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}
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function format_center_dynamic() {
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format_calculate_length "$1"
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format_apply_autosize "%*s%${FormatCalculateLength}s%*s"
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# Temporary, I'll find a better solution later (too tired).
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FormatCenterDynamic=$(printf "`echo "$FormatApplyAutosize" | sed -r 's/%[0-9]+s/%s/2'`" "" "$1" "")
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}
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