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init-term.sh
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init-term.sh
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#!/bin/bash
# 2020-02-07 #D12MSYS2 の CR 対策のため更新の必要あり
function ble/init:term/tput { return 1; }
if ble/bin/.freeze-utility-path tput; then
_ble_term_hasput=1
if ble/bin/tput cuu 1 &>/dev/null; then
function ble/init:term/tput { ble/bin/tput "${1%%:*}" "${@:2}" 2>/dev/null; }
elif ble/bin/tput UP 1 &>/dev/null; then
function ble/init:term/tput { ble/bin/tput "${1#*:}" "${@:2}" 2>/dev/null; }
fi
fi
function ble/init:term/register-varname {
local name=$1
varnames[${#varnames[@]}]=$name
}
function ble/init:term/define-cap {
local IFS=$_ble_term_IFS
local name=$1 def=$2
shift 2
ble/util/assign "$name" "ble/init:term/tput $* || echo -n \"\$def\""
ble/init:term/register-varname "$name"
}
function ble/init:term/define-cap.2 {
local IFS=$_ble_term_IFS
local name=$1 def=$2
shift 2
ble/util/assign "$name" "echo -n x; ble/init:term/tput $* || echo -n \"\$def\"; echo -n x"
builtin eval "$name=\${$name#x}; $name=\${$name%x}"
ble/init:term/register-varname "$name"
}
_ble_term_sgr_term2ansi=()
_ble_term_rex_sgr=$'\e''\[([0-9;:]+)m'
function ble/init:term/define-sgr-param {
local name=$1 seq=$2 ansi=$3
if [[ $seq =~ $_ble_term_rex_sgr ]]; then
local rematch1=${BASH_REMATCH[1]}
builtin eval "$name=\$rematch1"
# term2ansi
if [[ $ansi ]]; then
local rex='^[0-9]+$'
[[ $rematch1 =~ $rex ]] &&
[[ ! ${_ble_term_sgr_term2ansi[rematch1]} ]] &&
_ble_term_sgr_term2ansi[rematch1]=$ansi
fi
else
builtin eval "$name="
fi
if [[ $name =~ ^[_a-zA-Z][_a-zA-Z0-9]*$ ]]; then
ble/init:term/register-varname "$name"
fi
}
function ble/init:term/initialize {
local -a varnames=()
ble/init:term/register-varname _ble_term_sgr_term2ansi
# xenl (end of line behavior)
_ble_term_xenl=1
[[ $_ble_term_hasput ]] &&
! ble/init:term/tput xenl:xn &>/dev/null &&
_ble_term_xenl=0
ble/init:term/register-varname _ble_term_xenl
# tab width
_ble_term_it=8
if [[ $_ble_term_hasput ]]; then
ble/util/assign _ble_term_it 'ble/init:term/tput it:it'
_ble_term_it=${_ble_term_it:-8}
fi
ble/init:term/register-varname _ble_term_it
# IND/RI, CR, LF, FS
ble/init:term/define-cap.2 _ble_term_ind $'\eD' ind:sf
ble/init:term/define-cap _ble_term_ri $'\eM' ri:sr
ble/init:term/define-cap _ble_term_cr $'\r' cr:cr
# CUU/CUD/CUF/CUB
ble/init:term/define-cap _ble_term_cuu $'\e[%dA' cuu:UP 123
ble/init:term/define-cap _ble_term_cud $'\e[%dB' cud:DO 123
ble/init:term/define-cap _ble_term_cuf $'\e[%dC' cuf:RI 123
ble/init:term/define-cap _ble_term_cub $'\e[%dD' cub:LE 123
_ble_term_cuu=${_ble_term_cuu//123/%d}
_ble_term_cud=${_ble_term_cud//123/%d}
_ble_term_cuf=${_ble_term_cuf//123/%d}
_ble_term_cub=${_ble_term_cub//123/%d}
# ※もし 122 だとか 124 だとかになると上記では駄目
# CUP
ble/init:term/define-cap _ble_term_cup $'\e[13;35H' cup:cm 12 34
_ble_term_cup=${_ble_term_cup//13/%l}
_ble_term_cup=${_ble_term_cup//35/%c}
_ble_term_cup=${_ble_term_cup//12/%y}
_ble_term_cup=${_ble_term_cup//34/%x}
# CHA HPA VPA
ble/init:term/define-cap _ble_term_hpa "$_ble_term_cr${_ble_term_cuf//'%d'/123}" hpa:ch 123
_ble_term_hpa=${_ble_term_hpa//123/%x}
_ble_term_hpa=${_ble_term_hpa//124/%c}
ble/init:term/define-cap _ble_term_vpa "${_ble_term_cuu//'%d'/199}${_ble_term_cud//'%d'/123}" vpa:cv 123
_ble_term_vpa=${_ble_term_vpa//123/%y}
_ble_term_vpa=${_ble_term_vpa//124/%l}
# CUP+ED (clear_screen)
ble/init:term/define-cap _ble_term_clear $'\e[H\e[2J' clear:cl
# IL/DL
ble/init:term/define-cap _ble_term_il $'\e[%dL' il:AL 123
ble/init:term/define-cap _ble_term_dl $'\e[%dM' dl:DL 123
_ble_term_il=${_ble_term_il//123/%d}
_ble_term_dl=${_ble_term_dl//123/%d}
# EL
ble/init:term/define-cap _ble_term_el $'\e[K' el:ce
ble/init:term/define-cap _ble_term_el1 $'\e[1K' el1:cb
if [[ $_ble_term_el == $'\e[K' && $_ble_term_el1 == $'\e[1K' ]]; then
_ble_term_el2=$'\e[2K'
else
_ble_term_el2=$_ble_term_el1$_ble_term_el
fi
ble/init:term/register-varname _ble_term_el2
# ED
ble/init:term/define-cap _ble_term_ed $'\e[J' ed:cd
# ICH/DCH/ECH
# Note: 必ずしも対応しているか分からないので terminfo に載っている時のみ使う。
ble/init:term/define-cap _ble_term_ich '' ich:IC 123 # CSI @
ble/init:term/define-cap _ble_term_dch '' dch:DC 123 # CSI P
ble/init:term/define-cap _ble_term_ech '' ech:ec 123 # CSI X
_ble_term_ich=${_ble_term_ich//123/%d}
_ble_term_dch=${_ble_term_dch//123/%d}
_ble_term_ech=${_ble_term_ech//123/%d}
# DECSC/DECRC or SCOSC/SCORC
ble/init:term/define-cap _ble_term_sc $'\e[s' sc:sc
ble/init:term/define-cap _ble_term_rc $'\e[u' rc:rc
# Cursors
ble/init:term/define-cap _ble_term_Ss '' Ss:Ss 123 # DECSCUSR
_ble_term_Ss=${_ble_term_Ss//123/@1}
ble/init:term/define-cap _ble_term_cvvis $'\e[?25h' cvvis:vs
ble/init:term/define-cap _ble_term_civis $'\e[?25l' civis:vi
# xterm の terminfo が点滅まで勝手に変更するので消す。
[[ $_ble_term_cvvis == $'\e[?12;25h' || $_ble_term_cvvis == $'\e[?25;12h' ]] &&
_ble_term_cvvis=$'\e[?25h'
# 何故か screen の terminfo が壊れている(非対称になっている)ので対称化する。
[[ $_ble_term_cvvis == $'\e[34l'* && $_ble_term_civis != *$'\e[34h'* ]] &&
_ble_term_civis=$_ble_term_civis$'\e[34h'
[[ $_ble_term_civis == $'\e[?25l'* && $_ble_term_cvvis != *$'\e[?25h'* ]] &&
_ble_term_cvvis=$_ble_term_cvvis$'\e[?25h'
# SGR clear
ble/init:term/define-cap _ble_term_sgr0 $'\e[m' sgr0:me
# SGR misc
ble/init:term/define-cap _ble_term_bold $'\e[1m' bold:md
ble/init:term/define-cap _ble_term_blink $'\e[5m' blink:mb
ble/init:term/define-cap _ble_term_rev $'\e[7m' rev:mr
ble/init:term/define-cap _ble_term_invis $'\e[8m' invis:mk
ble/init:term/define-sgr-param _ble_term_sgr_bold "$_ble_term_bold" 1
ble/init:term/define-sgr-param _ble_term_sgr_blink "$_ble_term_blink" 5
ble/init:term/define-sgr-param _ble_term_sgr_rev "$_ble_term_rev" 7
ble/init:term/define-sgr-param _ble_term_sgr_invis "$_ble_term_invis" 8
ble/init:term/define-cap _ble_term_sitm $'\e[3m' sitm:ZH
ble/init:term/define-cap _ble_term_ritm $'\e[23m' ritm:ZR
ble/init:term/define-cap _ble_term_smul $'\e[4m' smul:us
ble/init:term/define-cap _ble_term_rmul $'\e[24m' rmul:ue
ble/init:term/define-cap _ble_term_smso $'\e[7m' smso:so
ble/init:term/define-cap _ble_term_rmso $'\e[27m' rmso:se
ble/init:term/define-sgr-param _ble_term_sgr_sitm "$_ble_term_sitm" 3
ble/init:term/define-sgr-param _ble_term_sgr_ritm "$_ble_term_ritm" 23
ble/init:term/define-sgr-param _ble_term_sgr_smul "$_ble_term_smul" 4
ble/init:term/define-sgr-param _ble_term_sgr_rmul "$_ble_term_rmul" 24
ble/init:term/define-sgr-param _ble_term_sgr_smso "$_ble_term_smso" 7
ble/init:term/define-sgr-param _ble_term_sgr_rmso "$_ble_term_rmso" 27
# Note: rev と smso が同じ場合は、rev の reset に rmso を使用する。
ble/init:term/register-varname _ble_term_sgr_rev_reset
if [[ $_ble_term_sgr_smso && $_ble_term_sgr_smso == "$_ble_term_sgr_rev" ]]; then
_ble_term_sgr_rev_reset=$_ble_term_sgr_rmso
else
_ble_term_sgr_rev_reset=
fi
# SGR colors
ble/init:term/define-cap _ble_term_colors 256 colors:Co
local i
_ble_term_setaf=()
_ble_term_setab=()
_ble_term_sgr_af=()
_ble_term_sgr_ab=()
for ((i=0;i<16;i++)); do
local i1=$((i%8)) af= ab=
# from terminfo
if ((i<_ble_term_colors)); then
local j1
((j1=(i1==3?6:
(i1==6?3:
(i1==1?4:
(i1==4?1:i1))))))
local j=$((i-i1+j1))
ble/util/assign af 'ble/init:term/tput setaf:AF "$i" 2>/dev/null'
[[ $af ]] || ble/util/assign af 'ble/init:term/tput setf:Sf "$j" 2>/dev/null'
ble/util/assign ab 'ble/init:term/tput setab:AB "$i" 2>/dev/null'
[[ $ab ]] || ble/util/assign ab 'ble/init:term/tput setb:Sb "$j" 2>/dev/null'
fi
# default value
[[ $af ]] || af=$'\e[3'$i1'm'
[[ $ab ]] || ab=$'\e[4'$i1'm'
# register
_ble_term_setaf[i]=$af
_ble_term_setab[i]=$ab
local ansi_sgr_af=3$i1 ansi_sgr_ab=4$i1
((i>=8)) && ansi_sgr_af=9$i1 ansi_sgr_ab=10$i1
ble/init:term/define-sgr-param "_ble_term_sgr_af[i]" "$af" "$ansi_sgr_af"
ble/init:term/define-sgr-param "_ble_term_sgr_ab[i]" "$ab" "$ansi_sgr_ab"
done
ble/init:term/register-varname "_ble_term_setaf"
ble/init:term/register-varname "_ble_term_setab"
ble/init:term/register-varname "_ble_term_sgr_af"
ble/init:term/register-varname "_ble_term_sgr_ab"
# save
ble/util/declare-print-definitions "${varnames[@]}" >| "$_ble_base_cache/$TERM.term"
}
echo -n "ble/term.sh: updating tput cache for TERM=$TERM... " >&2
ble/init:term/initialize
echo "ble/term.sh: updating tput cache for TERM=$TERM... done" >&2