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Merge pull request #4663 from psprint/master

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znt: faster startup of tools using colorifying (e.g. n-history), optimized heap usage for older Zsh's
This commit is contained in:
Marc Cornellà 2015-12-14 00:41:40 +01:00
commit 273063ad59
3 changed files with 33 additions and 39 deletions
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3
plugins/zsh-navigation-tools/README.md
View file

@ -105,8 +105,7 @@ colorize output of the tools, via their config files (check out e.g. n-cd.conf,
it uses this).
## Performance
ZNT are fastest with Zsh before 5.0.8 and starting from 5.2 (the version yet to
be released).
ZNT are fastest with Zsh before 5.0.8 and starting from 5.2
vim:filetype=conf

58
plugins/zsh-navigation-tools/n-list
View file

@ -116,15 +116,15 @@ _nlist_setup_user_vars() {
fi
}
_nlist_coloring_list_into_col_list() {
_nlist_colorify_disp_list() {
local col=$'\x1b[00;34m' reset=$'\x1b[0m'
[ -n "$NLIST_COLORING_COLOR" ] && col="$NLIST_COLORING_COLOR"
[ -n "$NLIST_COLORING_END_COLOR" ] && reset="$NLIST_COLORING_END_COLOR"
if [ "$NLIST_COLORING_MATCH_MULTIPLE" -eq 1 ]; then
col_list=( "${(@)list//(#mi)$~NLIST_COLORING_PATTERN/$col${MATCH}$reset}" )
disp_list=( "${(@)disp_list//(#mi)$~NLIST_COLORING_PATTERN/$col${MATCH}$reset}" )
else
col_list=( "${(@)list/(#mi)$~NLIST_COLORING_PATTERN/$col${MATCH}$reset}" )
disp_list=( "${(@)disp_list/(#mi)$~NLIST_COLORING_PATTERN/$col${MATCH}$reset}" )
fi
}
@ -154,7 +154,7 @@ integer inner_width=term_width-3
integer page_height=inner_height
integer page_width=inner_width
typeset -a list col_list disp_list
typeset -a list disp_list
integer last_element=$#
local action
local final_key
@ -224,19 +224,17 @@ zcurses timeout main -1
key=""
keypad=""
list=( "$@" )
last_element="$#list"
# This loop makes script faster on some Zsh's (e.g. 5.0.8)
repeat 1; do
list=( "$@" )
done
integer is_colored=0
if [[ -z "$NLIST_SEARCH_BUFFER" && -n "$NLIST_COLORING_PATTERN" ]]; then
is_colored=1
_nlist_coloring_list_into_col_list
fi
last_element="$#list"
while (( 1 )); do
# Do searching (filtering with string)
if [ -n "$NLIST_SEARCH_BUFFER" ]; then
# Compute new list, col_list ?
# Compute new list?
if [[ "$NLIST_SEARCH_BUFFER" != "$prev_search_buffer" || "$NLIST_IS_UNIQ_MODE" -ne "$prev_uniq_mode" ]]; then
prev_search_buffer="$NLIST_SEARCH_BUFFER"
prev_uniq_mode="$NLIST_IS_UNIQ_MODE"
@ -290,7 +288,7 @@ while (( 1 )); do
disp_list=( "${(@)disp_list//(#mi)($~colsearch_pattern)/$red${MATCH}$reset}" )
fi
# We have display list, lets replace newlines with "\n" when needed (1/3)
# We have display list, lets replace newlines with "\n" when needed (1/2)
[ "$NLIST_REPLACE_NEWLINES" -eq 1 ] && disp_list=( "${(@)disp_list//$'\n'/\\n}" )
fi
@ -302,7 +300,7 @@ while (( 1 )); do
# There is no search, but there was in previous loop
# OR
# Uniq mode was entered or left out
# -> compute new list (maybe also col_list)
# -> compute new list
if [[ -n "$prev_search_buffer" || "$NLIST_IS_UNIQ_MODE" -ne "$prev_uniq_mode" ]]; then
prev_search_buffer=""
prev_uniq_mode="$NLIST_IS_UNIQ_MODE"
@ -322,13 +320,6 @@ while (( 1 )); do
# Remove duplicates when in uniq mode
[ "$NLIST_IS_UNIQ_MODE" -eq 1 ] && typeset -U list
# Apply coloring pattern (when not with search query)
is_colored=0
if [ -n "$NLIST_COLORING_PATTERN" ]; then
is_colored=1
_nlist_coloring_list_into_col_list
fi
last_element="$#list"
# Called after processing list
_nlist_verify_vars
@ -340,22 +331,14 @@ while (( 1 )); do
integer end_idx=$(( NLIST_FROM_WHAT_IDX_LIST_IS_SHOWN + page_height - 1 ))
[ "$end_idx" -gt "$last_element" ] && end_idx=last_element
if [ "$is_colored" -eq 0 ]; then
if [ "$prev_start_idx" -ne "$NLIST_FROM_WHAT_IDX_LIST_IS_SHOWN" ]; then
prev_start_idx="$NLIST_FROM_WHAT_IDX_LIST_IS_SHOWN"
disp_list=( "${(@)list[NLIST_FROM_WHAT_IDX_LIST_IS_SHOWN, end_idx]}" )
if [ "$prev_start_idx" -ne "$NLIST_FROM_WHAT_IDX_LIST_IS_SHOWN" ]; then
prev_start_idx="$NLIST_FROM_WHAT_IDX_LIST_IS_SHOWN"
disp_list=( "${(@)list[NLIST_FROM_WHAT_IDX_LIST_IS_SHOWN, end_idx]}" )
# We have display list, lets replace newlines with "\n" when needed (2/3)
[ "$NLIST_REPLACE_NEWLINES" -eq 1 ] && disp_list=( "${(@)disp_list//$'\n'/\\n}" )
fi
else
if [ "$prev_start_idx" -ne "$NLIST_FROM_WHAT_IDX_LIST_IS_SHOWN" ]; then
prev_start_idx="$NLIST_FROM_WHAT_IDX_LIST_IS_SHOWN"
disp_list=( "${(@)col_list[NLIST_FROM_WHAT_IDX_LIST_IS_SHOWN, end_idx]}" )
[ -n "$NLIST_COLORING_PATTERN" ] && _nlist_colorify_disp_list
# We have display list, lets replace newlines with "\n" when needed (3/3)
[ "$NLIST_REPLACE_NEWLINES" -eq 1 ] && disp_list=( "${(@)disp_list//$'\n'/\\n}" )
fi
# We have display list, lets replace newlines with "\n" when needed (2/2)
[ "$NLIST_REPLACE_NEWLINES" -eq 1 ] && disp_list=( "${(@)disp_list//$'\n'/\\n}" )
fi
# Output the list
@ -380,6 +363,11 @@ while (( 1 )); do
fi
zcurses border main
local top_msg="${(C)ZSH_NAME} $ZSH_VERSION, shell level $SHLVL, $USER"
zcurses move main 0 $(( term_width / 2 - $#top_msg / 2 ))
zcurses string main $top_msg
zcurses refresh main inner
zcurses move main $(( term_height - 1 - 1 )) $(( status_msg_strlen + 2 ))

11
plugins/zsh-navigation-tools/n-panelize
View file

@ -32,7 +32,11 @@ if [ -t 0 ]; then
return 1
fi
list=( `"$@"` )
# This loop makes script faster on some Zsh's (e.g. 5.0.8)
repeat 1; do
list=( `"$@"` )
done
# TODO: $? doesn't reach user
[ "$?" -eq 127 ] && return $?
else
@ -42,7 +46,10 @@ else
return 1
fi
list=( "${(@f)"$(<&0)"}" )
# This loop makes script faster on some Zsh's (e.g. 5.0.8)
repeat 1; do
list=( "${(@f)"$(<&0)"}" )
done
if [[ ! -c /dev/tty ]]; then
exec <&2