aselimov/zsh-history-substring-search
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rename constants and variables to reflect filename

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This commit is contained in:
Suraj N. Kurapati 2011-05-25 11:36:28 -07:00
parent 415b5c60c7
commit 93d4cb73c5
1 changed files with 60 additions and 60 deletions
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120
history-substring-search.zsh
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@ -39,9 +39,9 @@
# /etc/fizsh/zsh-history-substring-search-backward # /etc/fizsh/zsh-history-substring-search-backward
# #
F_ordinary_highlight="bg=magenta,fg=white,bold" HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND='bg=magenta,fg=white,bold'
F_out_of_matches_highlight="bg=red,fg=white,bold" HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND='bg=red,fg=white,bold'
F_max_buffer_size=250000 HISTORY_SUBSTRING_SEARCH_MAX_BUFFER_SIZE=250000
history-substring-search-begin() { history-substring-search-begin() {
setopt extendedglob setopt extendedglob
@ -49,53 +49,53 @@ history-substring-search-begin() {
# check if _zsh_highlight-zle-buffer is available # check if _zsh_highlight-zle-buffer is available
# so that calls to this function will not fail. # so that calls to this function will not fail.
F_zsh_highlighting_available=0 history_substring_search_zsh_highlighting_available=0
(( $+functions[_zsh_highlight-zle-buffer] )) && F_zsh_highlighting_available=1 (( $+functions[_zsh_highlight-zle-buffer] )) && history_substring_search_zsh_highlighting_available=1
if [[ ! ( ( ${WIDGET/backward/forward} = ${LASTWIDGET/backward/forward}) || if [[ ! ( ( ${WIDGET/backward/forward} = ${LASTWIDGET/backward/forward}) ||
( ${WIDGET/forward/backward} = ${LASTWIDGET/forward/backward}) ) ]]; then ( ${WIDGET/forward/backward} = ${LASTWIDGET/forward/backward}) ) ]]; then
# $BUFFER contains the text that is in the command-line currently. # $BUFFER contains the text that is in the command-line currently.
# we put an extra "\\" before meta characters such as "\(" and "\)", # we put an extra "\\" before meta characters such as "\(" and "\)",
# so that they become "\\\|" and "\\\(" # so that they become "\\\|" and "\\\("
F_search=${BUFFER//(#m)[\][()\\*?#<>~^]/\\$MATCH} history_substring_search_search=${BUFFER//(#m)[\][()\\*?#<>~^]/\\$MATCH}
# for the purpose of highlighting we will also keep a version without # for the purpose of highlighting we will also keep a version without
# doubly-escaped meta characters # doubly-escaped meta characters
F_search4later=${BUFFER} history_substring_search_search4later=${BUFFER}
# find all occurrences of the pattern *${seach}* within the history file # find all occurrences of the pattern *${seach}* within the history file
# (k) turns it an array of line numbers. (on) seems to remove duplicates. # (k) turns it an array of line numbers. (on) seems to remove duplicates.
# (on) are default options. they can be turned off by (ON). # (on) are default options. they can be turned off by (ON).
F_matches=(${(kon)history[(R)*${F_search}*]}) history_substring_search_matches=(${(kon)history[(R)*${history_substring_search_search}*]})
# define the range of value that $F_match_number can take: # define the range of value that $history_substring_search_match_number
# [0, $F_number_of_matches_plus_one] # can take: [0, $history_substring_search_number_of_matches_plus_one]
F_number_of_matches=${#F_matches} history_substring_search_number_of_matches=${#history_substring_search_matches}
let "F_number_of_matches_plus_one = $F_number_of_matches + 1" let "history_substring_search_number_of_matches_plus_one = $history_substring_search_number_of_matches + 1"
let "F_number_of_matches_minus_one = $F_number_of_matches - 1" let "history_substring_search_number_of_matches_minus_one = $history_substring_search_number_of_matches - 1"
# initial value of $F_match_number, which can initially only be decreased # initial value of $history_substring_search_match_number, which can
# by ${WIDGET/forward/backward} # initially only be decreased by ${WIDGET/forward/backward}
let "F_match_number = $F_number_of_matches_plus_one" let "history_substring_search_match_number = $history_substring_search_number_of_matches_plus_one"
fi fi
} }
history-substring-search-highlight() { history-substring-search-highlight() {
# highlight $BUFFER using zsh-syntax-highlighting plugin # highlight $BUFFER using zsh-syntax-highlighting plugin
# https://github.com/nicoulaj/zsh-syntax-highlighting # https://github.com/nicoulaj/zsh-syntax-highlighting
if [[ ((( $F_zsh_highlighting_available == 1 ) && ( $+BUFFER < $F_max_buffer_size) )) ]]; then if [[ ((( $history_substring_search_zsh_highlighting_available == 1 ) && ( $+BUFFER < $HISTORY_SUBSTRING_SEARCH_MAX_BUFFER_SIZE) )) ]]; then
_zsh_highlight-zle-buffer _zsh_highlight-zle-buffer
fi fi
if [[ $F_search4later != "" ]]; then if [[ $history_substring_search_search4later != "" ]]; then
# F_search string was not empty: highlight it # history_substring_search_search string was not empty: highlight it
# among other things, the following expression yields a variable $MEND, # among other things, the following expression yields a variable $MEND,
# which indicates the end position of the first occurrence of $F_search # which indicates the end position of the first occurrence of
# in $BUFFER # $history_substring_search_search in $BUFFER
: ${(S)BUFFER##(#m)($F_search4later##)} : ${(S)BUFFER##(#m)($history_substring_search_search4later##)}
let "F_my_mbegin = $MEND - $#F_search4later" let "history_substring_search_my_mbegin = $MEND - $#history_substring_search_search4later"
# this is slightly more informative than highlighting that fish performs # this is slightly more informative than highlighting that fish performs
region_highlight=("$F_my_mbegin $MEND $1") region_highlight=("$history_substring_search_my_mbegin $MEND $1")
fi fi
} }
@ -105,31 +105,31 @@ history-substring-search-end() {
CURSOR=${#BUFFER} CURSOR=${#BUFFER}
# for debugging purposes: # for debugging purposes:
# zle -R "mn: "$F_match_number" m#: "${#F_matches} # zle -R "mn: "$history_substring_search_match_number" m#: "${#history_substring_search_matches}
# read -k -t 200 && zle -U $REPLY # read -k -t 200 && zle -U $REPLY
} }
history-substring-search-backward() { history-substring-search-backward() {
history-substring-search-begin history-substring-search-begin
if [[ ($F_match_number -ge 2 && $F_match_number -le $F_number_of_matches_plus_one) ]]; then if [[ ($history_substring_search_match_number -ge 2 && $history_substring_search_match_number -le $history_substring_search_number_of_matches_plus_one) ]]; then
let "F_match_number = $F_match_number - 1" let "history_substring_search_match_number = $history_substring_search_match_number - 1"
F_command_to_be_retrieved=$history[$F_matches[$F_match_number]] history_substring_search_command_to_be_retrieved=$history[$history_substring_search_matches[$history_substring_search_match_number]]
BUFFER=$F_command_to_be_retrieved BUFFER=$history_substring_search_command_to_be_retrieved
history-substring-search-highlight $F_ordinary_highlight history-substring-search-highlight $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND
else else
if [[ ($F_match_number -eq 1) ]]; then if [[ ($history_substring_search_match_number -eq 1) ]]; then
# we will move out of the F_matches # we will move out of the history_substring_search_matches
let "F_match_number = $F_match_number - 1" let "history_substring_search_match_number = $history_substring_search_match_number - 1"
F_old_buffer_backward=$BUFFER history_substring_search_old_buffer_backward=$BUFFER
BUFFER=$F_search4later BUFFER=$history_substring_search_search4later
history-substring-search-highlight $F_out_of_matches_highlight history-substring-search-highlight $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND
else else
if [[ ($F_match_number -eq $F_number_of_matches_plus_one ) ]]; then if [[ ($history_substring_search_match_number -eq $history_substring_search_number_of_matches_plus_one ) ]]; then
# we will move back to the F_matches # we will move back to the history_substring_search_matches
let "F_match_number = $F_match_number - 1" let "history_substring_search_match_number = $history_substring_search_match_number - 1"
BUFFER=$F_old_buffer_forward BUFFER=$history_substring_search_old_buffer_forward
history-substring-search-highlight $F_ordinary_highlight history-substring-search-highlight $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND
fi fi
fi fi
fi fi
@ -140,27 +140,27 @@ history-substring-search-backward() {
history-substring-search-forward() { history-substring-search-forward() {
history-substring-search-begin history-substring-search-begin
if [[ ($F_match_number -eq $F_number_of_matches_plus_one ) ]]; then if [[ ($history_substring_search_match_number -eq $history_substring_search_number_of_matches_plus_one ) ]]; then
let "F_match_number = $F_match_number" let "history_substring_search_match_number = $history_substring_search_match_number"
F_old_buffer_forward=$BUFFER history_substring_search_old_buffer_forward=$BUFFER
BUFFER=$F_search4later BUFFER=$history_substring_search_search4later
history-substring-search-highlight $F_out_of_matches_highlight history-substring-search-highlight $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND
elif [[ ($F_match_number -ge 0 && $F_match_number -le $F_number_of_matches_minus_one) ]]; then elif [[ ($history_substring_search_match_number -ge 0 && $history_substring_search_match_number -le $history_substring_search_number_of_matches_minus_one) ]]; then
let "F_match_number = $F_match_number + 1" let "history_substring_search_match_number = $history_substring_search_match_number + 1"
F_command_to_be_retrieved=$history[$F_matches[$F_match_number]] history_substring_search_command_to_be_retrieved=$history[$history_substring_search_matches[$history_substring_search_match_number]]
BUFFER=$F_command_to_be_retrieved BUFFER=$history_substring_search_command_to_be_retrieved
history-substring-search-highlight $F_ordinary_highlight history-substring-search-highlight $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND
else else
if [[ ($F_match_number -eq $F_number_of_matches ) ]]; then if [[ ($history_substring_search_match_number -eq $history_substring_search_number_of_matches ) ]]; then
let "F_match_number = $F_match_number + 1" let "history_substring_search_match_number = $history_substring_search_match_number + 1"
F_old_buffer_forward=$BUFFER history_substring_search_old_buffer_forward=$BUFFER
BUFFER=$F_search4later BUFFER=$history_substring_search_search4later
history-substring-search-highlight $F_out_of_matches_highlight history-substring-search-highlight $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND
else else
if [[ ($F_match_number -eq 0 ) ]]; then if [[ ($history_substring_search_match_number -eq 0 ) ]]; then
let "F_match_number = $F_match_number + 1" let "history_substring_search_match_number = $history_substring_search_match_number + 1"
BUFFER=$F_old_buffer_backward BUFFER=$history_substring_search_old_buffer_backward
history-substring-search-highlight $F_ordinary_highlight history-substring-search-highlight $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND
fi fi
fi fi
fi fi