optimize left_prompt_segment

pull/35/head
romkatv 6 years ago
parent 4af61b5fda
commit 013b96efd3

@ -59,6 +59,7 @@ typeset -g _P9K_RETVAL
typeset -g _P9K_CACHE_KEY
typeset -ga _P9K_CACHE_VAL
typeset -gA _P9K_CACHE
typeset -a _P9K_T
# Specifies the maximum number of elements in the cache. When the cache grows over this limit,
# it gets cleared. This is meant to avoid memory leaks when a rogue prompt is filling the cache
@ -149,84 +150,67 @@ set_default POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS " "
left_prompt_segment() {
if ! _p9k_cache_get "$0" "$1" "$2" "$3" "$4" "$6"; then
_p9k_color $3 $1 BACKGROUND
local background_color=$_P9K_RETVAL
_p9k_background $background_color
_p9k_escape_rcurly $_P9K_RETVAL
local pre=$_P9K_RETVAL
local bg_color=$_P9K_RETVAL
_p9k_background $bg_color
local bg=$_P9K_RETVAL
_p9k_color $4 $1 FOREGROUND
local foreground_color=$_P9K_RETVAL
_p9k_foreground $foreground_color
local foreground=$_P9K_RETVAL
_p9k_foreground $DEFAULT_COLOR
local default_foreground=$_P9K_RETVAL
local fg_color=$_P9K_RETVAL
_p9k_foreground $fg_color
local fg=$_P9K_RETVAL
_p9k_get_icon LEFT_SUBSEGMENT_SEPARATOR
local subsep=$_P9K_RETVAL
_p9k_get_icon LEFT_SEGMENT_SEPARATOR
local sep=$_P9K_RETVAL
_p9k_escape_rcurly $POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS
local space=$_P9K_RETVAL
if [[ -z $foreground_color ]]; then
_p9k_escape_rcurly $default_foreground$subsep$POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS
local divider=$_P9K_RETVAL
else
_p9k_escape_rcurly $foreground$subsep$POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS
local divider=$_P9K_RETVAL
fi
_p9k_escape_rcurly "%F{\$_P9K_BG}${sep}${POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS}"
local separator=$_P9K_RETVAL
local post
local has_icon=0
local icon icon_sep
if [[ -n $6 ]]; then
_p9k_get_icon $6
if [[ -n $_P9K_RETVAL ]]; then
local icon=$_P9K_RETVAL
_p9k_color $foreground_color $1 VISUAL_IDENTIFIER_COLOR
local glyph=$_P9K_RETVAL
_p9k_color $fg_color $1 VISUAL_IDENTIFIER_COLOR
_p9k_foreground $_P9K_RETVAL
_p9k_escape_rcurly "${_P9K_RETVAL}${icon}"
post=$_P9K_RETVAL
has_icon=1
icon=$_P9K_RETVAL$glyph
icon_sep="\${_P9K_C:+ }"
fi
fi
_p9k_escape_rcurly $foreground
post+=$_P9K_RETVAL
local icon_sep
(( has_icon )) && icon_sep="\${_P9K_C:+ }"
icon+=$fg
local t=$#_P9K_T
_P9K_T+=$bg$POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS$icon # 1
_P9K_T+=$bg$icon # 2
if [[ -z $fg_color ]]; then
_p9k_foreground $DEFAULT_COLOR
_P9K_T+=$bg$_P9K_RETVAL$subsep$POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS$icon # 3
else
_P9K_T+=$bg$fg$subsep$POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS$icon # 3
fi
_p9k_get_icon LEFT_SEGMENT_SEPARATOR
_P9K_T+=$bg$_P9K_RETVAL$POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS$icon # 4
local output
output+="\${_P9K_N::=}"
output+="\${\${_P9K_E:-\${_P9K_N:=9}}+}"
output+="\${\${\${\${_P9K_BG:-0}:#NONE}:-\${_P9K_N:=1}}+}"
output+="\${\${\${\$((_P9K_I>=$_P9K_LEFT_JOIN[$2])):#1}:-\${_P9K_N:=2}}+}"
output+="\${\${\${\${:-0\$_P9K_BG}:#0$background_color}:-\${_P9K_N:=3}}+}"
output+="\${\${_P9K_N:=4}+}"
output+="\${\${_P9K_V[1]::=$pre$space$post}+}"
output+="\${\${_P9K_V[2]::=$pre$post}+}"
output+="\${\${_P9K_V[3]::=$pre$divider$post}+}"
output+="\${\${_P9K_V[4]::=$pre$separator$post}+}"
output+="\${_P9K_V[\$_P9K_N]}"
output+="\${_P9K_E:+$icon_sep\${_P9K_C}$space\${\${_P9K_I::=$2}+}\${\${_P9K_BG::=$background_color}+}}"
output+="\${_P9K_F::=}"
output+="\${\${\${\${_P9K_BG:-0}:#NONE}:-\${_P9K_N:=$((t+1))}}+}"
output+="\${\${\${\$((_P9K_I>=$_P9K_LEFT_JOIN[$2])):#1}:-\${_P9K_N:=$((t+2))}}+}"
output+="\${\${\${\${:-0\$_P9K_BG}:#0$bg_color}:-\${_P9K_N:=$((t+3))}}+}"
output+="\${\${_P9K_N:=\${\${_P9K_F::=%F{\$_P9K_BG\}}+$((t+4))}}+}"
output+="\${_P9K_E:+\$_P9K_F\${_P9K_T[\$_P9K_N]}$icon_sep\${_P9K_C}$space\${\${_P9K_I::=$2}+}\${\${_P9K_BG::=$bg_color}+}}"
_p9k_cache_set "$output"
# Segment separator logic:
#
# if [[ $_P9K_BG == NONE ]]; then
# output+=$POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS // _P9K_N=1
# 1
# elif (( joined )); then
# output+="" // _P9K_N=2
# elif [[ $background_color == $_P9K_BG ]]; then
# output+=$divider // _P9K_N=3
# 2
# elif [[ $bg_color == $_P9K_BG ]]; then
# 3
# else
# output+=$separator // _P9K_N=4
# 4
# fi
fi
@ -244,14 +228,14 @@ set_default POWERLEVEL9K_WHITESPACE_BETWEEN_RIGHT_SEGMENTS " "
right_prompt_segment() {
if ! _p9k_cache_get "$0" "$1" "$2" "$3" "$4" "$6"; then
_p9k_color $3 $1 BACKGROUND
local background_color=$_P9K_RETVAL
_p9k_background $background_color
local bg_color=$_P9K_RETVAL
_p9k_background $bg_color
local background=$_P9K_RETVAL
_p9k_color $4 $1 FOREGROUND
local foreground_color=$_P9K_RETVAL
_p9k_foreground $foreground_color
local foreground=$_P9K_RETVAL
local fg_color=$_P9K_RETVAL
_p9k_foreground $fg_color
local fg=$_P9K_RETVAL
_p9k_foreground $DEFAULT_COLOR
local default_foreground=$_P9K_RETVAL
@ -262,19 +246,19 @@ right_prompt_segment() {
_p9k_get_icon RIGHT_SEGMENT_SEPARATOR
local sep=$_P9K_RETVAL
_p9k_escape_rcurly "%F{$background_color}$sep$background$POWERLEVEL9K_WHITESPACE_BETWEEN_RIGHT_SEGMENTS$foreground"
_p9k_escape_rcurly "%F{$bg_color}$sep$background$POWERLEVEL9K_WHITESPACE_BETWEEN_RIGHT_SEGMENTS$fg"
local space=$_P9K_RETVAL
_p9k_escape_rcurly $background$foreground
_p9k_escape_rcurly $background$fg
local joiner=$_P9K_RETVAL
local divider
if [[ -z $foreground_color ]]; then
if [[ -z $fg_color ]]; then
divider=$default_foreground
else
divider=$foreground
divider=$fg
fi
_p9k_escape_rcurly $divider$subsep$background$POWERLEVEL9K_WHITESPACE_BETWEEN_RIGHT_SEGMENTS$foreground
_p9k_escape_rcurly $divider$subsep$background$POWERLEVEL9K_WHITESPACE_BETWEEN_RIGHT_SEGMENTS$fg
divider=$_P9K_RETVAL
local icon
@ -282,7 +266,7 @@ right_prompt_segment() {
_p9k_get_icon $6
if [[ -n $_P9K_RETVAL ]]; then
local glyph=$_P9K_RETVAL
_p9k_color $foreground_color $1 VISUAL_IDENTIFIER_COLOR
_p9k_color $fg_color $1 VISUAL_IDENTIFIER_COLOR
_p9k_foreground $_P9K_RETVAL
_p9k_escape_rcurly "${_P9K_RETVAL}${glyph} "
icon=$_P9K_RETVAL
@ -294,14 +278,14 @@ right_prompt_segment() {
output+="\${\${_P9K_E:-\${_P9K_N:=9}}+}"
output+="\${\${\${\${_P9K_BG:-0}:#NONE}:-\${_P9K_N:=1}}+}"
output+="\${\${\${\$((_P9K_I>=$_P9K_RIGHT_JOIN[$2])):#1}:-\${_P9K_N:=2}}+}"
output+="\${\${\${\${:-0\$_P9K_BG}:#0$background_color}:-\${_P9K_N:=3}}+}"
output+="\${\${\${\${:-0\$_P9K_BG}:#0$bg_color}:-\${_P9K_N:=3}}+}"
output+="\${\${_P9K_N:=1}+}"
output+="\${\${_P9K_V[1]::=$space}+}"
output+="\${\${_P9K_V[2]::=$joiner}+}"
output+="\${\${_P9K_V[3]::=$divider}+}"
output+="\${\${_P9K_V[4]::=$space}+}"
output+="\${_P9K_V[\$_P9K_N]}"
output+="\${_P9K_E:+\${_P9K_C}\${_P9K_C:+ }$icon\${\${_P9K_I::=$2}+}\${\${_P9K_BG::=$background_color}+}}"
output+="\${_P9K_E:+\${_P9K_C}\${_P9K_C:+ }$icon\${\${_P9K_I::=$2}+}\${\${_P9K_BG::=$bg_color}+}}"
_p9k_cache_set "$output"
@ -311,7 +295,7 @@ right_prompt_segment() {
# output+=$space # _P9K_N=1
# elif (( joined )); then
# output+=$joiner # _P9K_N=2
# elif [[ $background_color == $_P9K_BG ]]; then
# elif [[ $bg_color == $_P9K_BG ]]; then
# output+=$divider # _P9K_N=3
# else
# output+=$space # _P9K_N=1

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