aselimov/zsh-history-substring-search
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rename _search* variables to be self-documenting

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This commit is contained in:
Suraj N. Kurapati 2011-05-26 01:58:04 -07:00
parent 9cb4212c40
commit 1e02a2118e
1 changed files with 12 additions and 12 deletions
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24
history-substring-search.zsh
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@ -55,16 +55,16 @@ history-substring-search-begin() {
# $BUFFER contains the text that is in the command-line currently.
# we put an extra "\\" before meta characters such as "\(" and "\)",
# so that they become "\\\|" and "\\\("
history_substring_search_search=${BUFFER//(#m)[\][()\\*?#<>~^]/\\$MATCH}
history_substring_search_query_escaped=${BUFFER//(#m)[\][()\\*?#<>~^]/\\$MATCH}
# for the purpose of highlighting we will also keep a version without
# doubly-escaped meta characters
history_substring_search_search4later=${BUFFER}
history_substring_search_query=${BUFFER}
# find all occurrences of the pattern *${seach}* within the history file
# (k) turns it an array of line numbers. (on) seems to remove duplicates.
# (on) are default options. they can be turned off by (ON).
history_substring_search_matches=(${(kon)history[(R)*${history_substring_search_search}*]})
history_substring_search_matches=(${(kon)history[(R)*${history_substring_search_query_escaped}*]})
# define the range of value that $history_substring_search_match_number
# can take: [0, $history_substring_search_number_of_matches_plus_one]
@ -85,15 +85,15 @@ history-substring-search-highlight() {
_zsh_highlight-zle-buffer
fi
if [[ $history_substring_search_search4later != "" ]]; then
# history_substring_search_search string was not empty: highlight it
if [[ $history_substring_search_query != "" ]]; then
# history_substring_search_query_escaped string was not empty: highlight it
# among other things, the following expression yields a variable $MEND,
# which indicates the end position of the first occurrence of
# $history_substring_search_search in $BUFFER
: ${(S)BUFFER##(#m)($history_substring_search_search4later##)}
let "history_substring_search_my_mbegin = $MEND - $#history_substring_search_search4later"
# $history_substring_search_query_escaped in $BUFFER
: ${(S)BUFFER##(#m)($history_substring_search_query##)}
let "history_substring_search_query_mbegin = $MEND - $#history_substring_search_query"
# this is slightly more informative than highlighting that fish performs
region_highlight=("$history_substring_search_my_mbegin $MEND $1")
region_highlight=("$history_substring_search_query_mbegin $MEND $1")
fi
}
@ -120,7 +120,7 @@ history-substring-search-backward() {
# we will move out of the history_substring_search_matches
let "history_substring_search_match_number = $history_substring_search_match_number - 1"
history_substring_search_old_buffer_backward=$BUFFER
BUFFER=$history_substring_search_search4later
BUFFER=$history_substring_search_query
history-substring-search-highlight $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND
else
if [[ $history_substring_search_match_number -eq $history_substring_search_number_of_matches_plus_one ]]; then
@ -141,7 +141,7 @@ history-substring-search-forward() {
if [[ $history_substring_search_match_number -eq $history_substring_search_number_of_matches_plus_one ]]; then
let "history_substring_search_match_number = $history_substring_search_match_number"
history_substring_search_old_buffer_forward=$BUFFER
BUFFER=$history_substring_search_search4later
BUFFER=$history_substring_search_query
history-substring-search-highlight $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND
elif [[ $history_substring_search_match_number -ge 0 && $history_substring_search_match_number -le $history_substring_search_number_of_matches_minus_one ]]; then
let "history_substring_search_match_number = $history_substring_search_match_number + 1"
@ -152,7 +152,7 @@ history-substring-search-forward() {
if [[ $history_substring_search_match_number -eq $history_substring_search_number_of_matches ]]; then
let "history_substring_search_match_number = $history_substring_search_match_number + 1"
history_substring_search_old_buffer_forward=$BUFFER
BUFFER=$history_substring_search_search4later
BUFFER=$history_substring_search_query
history-substring-search-highlight $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND
else
if [[ $history_substring_search_match_number -eq 0 ]]; then