mirror of
https://github.com/ohmyzsh/ohmyzsh.git
synced 2024-11-30 09:40:09 +00:00
846 lines
29 KiB
Bash
846 lines
29 KiB
Bash
#!/usr/bin/env zsh
|
|
##############################################################################
|
|
#
|
|
# Copyright (c) 2009 Peter Stephenson
|
|
# Copyright (c) 2011 Guido van Steen
|
|
# Copyright (c) 2011 Suraj N. Kurapati
|
|
# Copyright (c) 2011 Sorin Ionescu
|
|
# Copyright (c) 2011 Vincent Guerci
|
|
# Copyright (c) 2016 Geza Lore
|
|
# Copyright (c) 2017 Bengt Brodersen
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions are met:
|
|
#
|
|
# * Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
#
|
|
# * Redistributions in binary form must reproduce the above
|
|
# copyright notice, this list of conditions and the following
|
|
# disclaimer in the documentation and/or other materials provided
|
|
# with the distribution.
|
|
#
|
|
# * Neither the name of the FIZSH nor the names of its contributors
|
|
# may be used to endorse or promote products derived from this
|
|
# software without specific prior written permission.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
|
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
# POSSIBILITY OF SUCH DAMAGE.
|
|
#
|
|
##############################################################################
|
|
|
|
#-----------------------------------------------------------------------------
|
|
# declare global configuration variables
|
|
#-----------------------------------------------------------------------------
|
|
|
|
: ${HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND='bg=magenta,fg=white,bold'}
|
|
: ${HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND='bg=red,fg=white,bold'}
|
|
: ${HISTORY_SUBSTRING_SEARCH_GLOBBING_FLAGS='i'}
|
|
: ${HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE=''}
|
|
: ${HISTORY_SUBSTRING_SEARCH_FUZZY=''}
|
|
: ${HISTORY_SUBSTRING_SEARCH_PREFIXED=''}
|
|
|
|
#-----------------------------------------------------------------------------
|
|
# declare internal global variables
|
|
#-----------------------------------------------------------------------------
|
|
|
|
typeset -g BUFFER MATCH MBEGIN MEND CURSOR
|
|
typeset -g _history_substring_search_refresh_display
|
|
typeset -g _history_substring_search_query_highlight
|
|
typeset -g _history_substring_search_result
|
|
typeset -g _history_substring_search_query
|
|
typeset -g -a _history_substring_search_query_parts
|
|
typeset -g -a _history_substring_search_raw_matches
|
|
typeset -g -i _history_substring_search_raw_match_index
|
|
typeset -g -a _history_substring_search_matches
|
|
typeset -g -i _history_substring_search_match_index
|
|
typeset -g -A _history_substring_search_unique_filter
|
|
typeset -g -i _history_substring_search_zsh_5_9
|
|
|
|
#-----------------------------------------------------------------------------
|
|
# the main ZLE widgets
|
|
#-----------------------------------------------------------------------------
|
|
|
|
history-substring-search-up() {
|
|
_history-substring-search-begin
|
|
|
|
_history-substring-search-up-history ||
|
|
_history-substring-search-up-buffer ||
|
|
_history-substring-search-up-search
|
|
|
|
_history-substring-search-end
|
|
}
|
|
|
|
history-substring-search-down() {
|
|
_history-substring-search-begin
|
|
|
|
_history-substring-search-down-history ||
|
|
_history-substring-search-down-buffer ||
|
|
_history-substring-search-down-search
|
|
|
|
_history-substring-search-end
|
|
}
|
|
|
|
zle -N history-substring-search-up
|
|
zle -N history-substring-search-down
|
|
|
|
#-----------------------------------------------------------------------------
|
|
# implementation details
|
|
#-----------------------------------------------------------------------------
|
|
|
|
zmodload -F zsh/parameter
|
|
autoload -Uz is-at-least
|
|
|
|
if is-at-least 5.9 $ZSH_VERSION; then
|
|
_history_substring_search_zsh_5_9=1
|
|
fi
|
|
|
|
#
|
|
# We have to "override" some keys and widgets if the
|
|
# zsh-syntax-highlighting plugin has not been loaded:
|
|
#
|
|
# https://github.com/nicoulaj/zsh-syntax-highlighting
|
|
#
|
|
if [[ $+functions[_zsh_highlight] -eq 0 ]]; then
|
|
#
|
|
# Dummy implementation of _zsh_highlight() that
|
|
# simply removes any existing highlights when the
|
|
# user inserts printable characters into $BUFFER.
|
|
#
|
|
_zsh_highlight() {
|
|
if [[ $KEYS == [[:print:]] ]]; then
|
|
region_highlight=()
|
|
fi
|
|
}
|
|
|
|
#
|
|
# Check if $1 denotes the name of a callable function, i.e. it is fully
|
|
# defined or it is marked for autoloading and autoloading it at the first
|
|
# call to it will succeed. In particular, if $1 has been marked for
|
|
# autoloading but is not available in $fpath, then it will return 1 (false).
|
|
#
|
|
# This is based on the zsh-syntax-highlighting plugin.
|
|
#
|
|
_history-substring-search-function-callable() {
|
|
if (( ${+functions[$1]} )) && ! [[ "$functions[$1]" == *"builtin autoload -X"* ]]; then
|
|
return 0 # already fully loaded
|
|
else
|
|
# "$1" is either an autoload stub, or not a function at all.
|
|
# We expect 'autoload +X' to return non-zero if it fails to fully load
|
|
# the function.
|
|
( autoload -U +X -- "$1" 2>/dev/null )
|
|
return $?
|
|
fi
|
|
}
|
|
|
|
#
|
|
# The zsh-syntax-highlighting plugin uses zle-line-pre-redraw hook instead
|
|
# of the legacy "bind all widgets" if 1) zsh has the memo= feature (added in
|
|
# version 5.9) and 2) add-zle-hook-widget is available.
|
|
#
|
|
if [[ $_history_substring_search_zsh_5_9 -eq 1 ]] && _history-substring-search-function-callable add-zle-hook-widget; then
|
|
#
|
|
# The following code is based on the zsh-syntax-highlighting plugin.
|
|
#
|
|
autoload -U add-zle-hook-widget
|
|
|
|
_history-substring-search-zle-line-finish() {
|
|
#
|
|
# Reset $WIDGET since the 'main' highlighter depends on it.
|
|
#
|
|
# Since $WIDGET is declared by zle as read-only in this function's scope,
|
|
# a nested function is required in order to shadow its built-in value;
|
|
# see "User-defined widgets" in zshall.
|
|
#
|
|
() {
|
|
local -h -r WIDGET=zle-line-finish
|
|
_zsh_highlight
|
|
}
|
|
}
|
|
|
|
_history-substring-search-zle-line-pre-redraw() {
|
|
#
|
|
# If the zsh-syntax-highlighting plugin has been loaded (after our plugin
|
|
# plugin, otherwise this hook wouldn't be called), remove our hooks.
|
|
#
|
|
if [[ $+ZSH_HIGHLIGHT_VERSION -eq 1 ]]; then
|
|
autoload -U add-zle-hook-widget
|
|
add-zle-hook-widget -d zle-line-pre-redraw _history-substring-search-zle-line-pre-redraw
|
|
add-zle-hook-widget -d zle-line-finish _history-substring-search-zle-line-finish
|
|
return 0
|
|
fi
|
|
#
|
|
# Set $? to 0 for _zsh_highlight. Without this, subsequent
|
|
# zle-line-pre-redraw hooks won't run, since add-zle-hook-widget happens to
|
|
# call us with $? == 1 in the common case.
|
|
#
|
|
true && _zsh_highlight "$@"
|
|
}
|
|
|
|
if [[ -o zle ]]; then
|
|
add-zle-hook-widget zle-line-pre-redraw _history-substring-search-zle-line-pre-redraw
|
|
add-zle-hook-widget zle-line-finish _history-substring-search-zle-line-finish
|
|
fi
|
|
else
|
|
#
|
|
# The following snippet was taken from the zsh-syntax-highlighting project:
|
|
# https://github.com/zsh-users/zsh-syntax-highlighting/blob/56b134f5d62ae3d4e66c7f52bd0cc2595f9b305b/zsh-syntax-highlighting.zsh#L126-161
|
|
#
|
|
# SPDX-SnippetBegin
|
|
# SPDX-License-Identifier: BSD-3-Clause
|
|
# SPDX-SnippetCopyrightText: 2010-2011 zsh-syntax-highlighting contributors
|
|
#--------------8<-------------------8<-------------------8<-----------------
|
|
# Rebind all ZLE widgets to make them invoke _zsh_highlights.
|
|
_zsh_highlight_bind_widgets()
|
|
{
|
|
# Load ZSH module zsh/zleparameter, needed to override user defined widgets.
|
|
zmodload zsh/zleparameter 2>/dev/null || {
|
|
echo 'zsh-syntax-highlighting: failed loading zsh/zleparameter.' >&2
|
|
return 1
|
|
}
|
|
|
|
# Override ZLE widgets to make them invoke _zsh_highlight.
|
|
local cur_widget
|
|
for cur_widget in ${${(f)"$(builtin zle -la)"}:#(.*|_*|orig-*|run-help|which-command|beep|yank*)}; do
|
|
case $widgets[$cur_widget] in
|
|
|
|
# Already rebound event: do nothing.
|
|
user:$cur_widget|user:_zsh_highlight_widget_*);;
|
|
|
|
# User defined widget: override and rebind old one with prefix "orig-".
|
|
user:*) eval "zle -N orig-$cur_widget ${widgets[$cur_widget]#*:}; \
|
|
_zsh_highlight_widget_$cur_widget() { builtin zle orig-$cur_widget -- \"\$@\" && _zsh_highlight }; \
|
|
zle -N $cur_widget _zsh_highlight_widget_$cur_widget";;
|
|
|
|
# Completion widget: override and rebind old one with prefix "orig-".
|
|
completion:*) eval "zle -C orig-$cur_widget ${${widgets[$cur_widget]#*:}/:/ }; \
|
|
_zsh_highlight_widget_$cur_widget() { builtin zle orig-$cur_widget -- \"\$@\" && _zsh_highlight }; \
|
|
zle -N $cur_widget _zsh_highlight_widget_$cur_widget";;
|
|
|
|
# Builtin widget: override and make it call the builtin ".widget".
|
|
builtin) eval "_zsh_highlight_widget_$cur_widget() { builtin zle .$cur_widget -- \"\$@\" && _zsh_highlight }; \
|
|
zle -N $cur_widget _zsh_highlight_widget_$cur_widget";;
|
|
|
|
# Default: unhandled case.
|
|
*) echo "zsh-syntax-highlighting: unhandled ZLE widget '$cur_widget'" >&2 ;;
|
|
esac
|
|
done
|
|
}
|
|
#-------------->8------------------->8------------------->8-----------------
|
|
# SPDX-SnippetEnd
|
|
|
|
_zsh_highlight_bind_widgets
|
|
fi
|
|
|
|
unfunction _history-substring-search-function-callable
|
|
fi
|
|
|
|
_history-substring-search-begin() {
|
|
setopt localoptions extendedglob
|
|
|
|
_history_substring_search_refresh_display=
|
|
_history_substring_search_query_highlight=
|
|
|
|
#
|
|
# If the buffer is the same as the previously displayed history substring
|
|
# search result, then just keep stepping through the match list. Otherwise
|
|
# start a new search.
|
|
#
|
|
if [[ -n $BUFFER && $BUFFER == ${_history_substring_search_result:-} ]]; then
|
|
return;
|
|
fi
|
|
|
|
#
|
|
# Clear the previous result.
|
|
#
|
|
_history_substring_search_result=''
|
|
|
|
if [[ -z $BUFFER ]]; then
|
|
#
|
|
# If the buffer is empty, we will just act like up-history/down-history
|
|
# in ZSH, so we do not need to actually search the history. This should
|
|
# speed things up a little.
|
|
#
|
|
_history_substring_search_query=
|
|
_history_substring_search_query_parts=()
|
|
_history_substring_search_raw_matches=()
|
|
|
|
else
|
|
#
|
|
# For the purpose of highlighting we keep a copy of the original
|
|
# query string.
|
|
#
|
|
_history_substring_search_query=$BUFFER
|
|
|
|
#
|
|
# compose search pattern
|
|
#
|
|
if [[ -n $HISTORY_SUBSTRING_SEARCH_FUZZY ]]; then
|
|
#
|
|
# `=` split string in arguments
|
|
#
|
|
_history_substring_search_query_parts=(${=_history_substring_search_query})
|
|
else
|
|
_history_substring_search_query_parts=(${==_history_substring_search_query})
|
|
fi
|
|
|
|
#
|
|
# Escape and join query parts with wildcard character '*' as seperator
|
|
# `(j:CHAR:)` join array to string with CHAR as seperator
|
|
#
|
|
local search_pattern="${(j:*:)_history_substring_search_query_parts[@]//(#m)[\][()|\\*?#<>~^]/\\$MATCH}*"
|
|
|
|
#
|
|
# Support anchoring history search to the beginning of the command
|
|
#
|
|
if [[ -z $HISTORY_SUBSTRING_SEARCH_PREFIXED ]]; then
|
|
search_pattern="*${search_pattern}"
|
|
fi
|
|
|
|
#
|
|
# Find all occurrences of the search pattern in the history file.
|
|
#
|
|
# (k) returns the "keys" (history index numbers) instead of the values
|
|
# (R) returns values in reverse older, so the index of the youngest
|
|
# matching history entry is at the head of the list.
|
|
#
|
|
_history_substring_search_raw_matches=(${(k)history[(R)(#$HISTORY_SUBSTRING_SEARCH_GLOBBING_FLAGS)${search_pattern}]})
|
|
fi
|
|
|
|
#
|
|
# In order to stay as responsive as possible, we will process the raw
|
|
# matches lazily (when the user requests the next match) to choose items
|
|
# that need to be displayed to the user.
|
|
# _history_substring_search_raw_match_index holds the index of the last
|
|
# unprocessed entry in _history_substring_search_raw_matches. Any items
|
|
# that need to be displayed will be added to
|
|
# _history_substring_search_matches.
|
|
#
|
|
# We use an associative array (_history_substring_search_unique_filter) as
|
|
# a 'set' data structure to ensure uniqueness of the results if desired.
|
|
# If an entry (key) is in the set (non-empty value), then we have already
|
|
# added that entry to _history_substring_search_matches.
|
|
#
|
|
_history_substring_search_raw_match_index=0
|
|
_history_substring_search_matches=()
|
|
_history_substring_search_unique_filter=()
|
|
|
|
#
|
|
# If $_history_substring_search_match_index is equal to
|
|
# $#_history_substring_search_matches + 1, this indicates that we
|
|
# are beyond the end of $_history_substring_search_matches and that we
|
|
# have also processed all entries in
|
|
# _history_substring_search_raw_matches.
|
|
#
|
|
# If $#_history_substring_search_match_index is equal to 0, this indicates
|
|
# that we are beyond the beginning of $_history_substring_search_matches.
|
|
#
|
|
# If we have initially pressed "up" we have to initialize
|
|
# $_history_substring_search_match_index to 0 so that it will be
|
|
# incremented to 1.
|
|
#
|
|
# If we have initially pressed "down" we have to initialize
|
|
# $_history_substring_search_match_index to 1 so that it will be
|
|
# decremented to 0.
|
|
#
|
|
if [[ $WIDGET == history-substring-search-down ]]; then
|
|
_history_substring_search_match_index=1
|
|
else
|
|
_history_substring_search_match_index=0
|
|
fi
|
|
}
|
|
|
|
_history-substring-search-end() {
|
|
setopt localoptions extendedglob
|
|
|
|
local highlight_memo=
|
|
_history_substring_search_result=$BUFFER
|
|
|
|
if [[ $_history_substring_search_zsh_5_9 -eq 1 ]]; then
|
|
highlight_memo='memo=history-substring-search'
|
|
fi
|
|
|
|
# the search was successful so display the result properly by clearing away
|
|
# existing highlights and moving the cursor to the end of the result buffer
|
|
if [[ $_history_substring_search_refresh_display -eq 1 ]]; then
|
|
if [[ -n $highlight_memo ]]; then
|
|
region_highlight=( "${(@)region_highlight:#*${highlight_memo}*}" )
|
|
else
|
|
region_highlight=()
|
|
fi
|
|
CURSOR=${#BUFFER}
|
|
fi
|
|
|
|
# highlight command line using zsh-syntax-highlighting
|
|
_zsh_highlight
|
|
|
|
# highlight the search query inside the command line
|
|
if [[ -n $_history_substring_search_query_highlight ]]; then
|
|
# highlight first matching query parts
|
|
local highlight_start_index=0
|
|
local highlight_end_index=0
|
|
local query_part
|
|
for query_part in $_history_substring_search_query_parts; do
|
|
local escaped_query_part=${query_part//(#m)[\][()|\\*?#<>~^]/\\$MATCH}
|
|
# (i) get index of pattern
|
|
local query_part_match_index="${${BUFFER:$highlight_start_index}[(i)(#$HISTORY_SUBSTRING_SEARCH_GLOBBING_FLAGS)${escaped_query_part}]}"
|
|
if [[ $query_part_match_index -le ${#BUFFER:$highlight_start_index} ]]; then
|
|
highlight_start_index=$(( $highlight_start_index + $query_part_match_index ))
|
|
highlight_end_index=$(( $highlight_start_index + ${#query_part} ))
|
|
region_highlight+=(
|
|
"$(($highlight_start_index - 1)) $(($highlight_end_index - 1)) ${_history_substring_search_query_highlight}${highlight_memo:+,$highlight_memo}"
|
|
)
|
|
fi
|
|
done
|
|
fi
|
|
|
|
# For debugging purposes:
|
|
# zle -R "mn: "$_history_substring_search_match_index" m#: "${#_history_substring_search_matches}
|
|
# read -k -t 200 && zle -U -- "$REPLY"
|
|
|
|
#
|
|
# When this function returns, z-sy-h runs its line-pre-redraw hook. It has no
|
|
# logic for determining highlight priority, when two different memo= marked
|
|
# region highlights overlap; instead, it always prioritises itself. Below is
|
|
# a workaround for dealing with it.
|
|
#
|
|
if [[ $_history_substring_search_zsh_5_9 -eq 1 ]]; then
|
|
zle -R
|
|
#
|
|
# After line redraw with desired highlight, wait for timeout or user input
|
|
# before removing search highlight and exiting. This ensures no highlights
|
|
# are left lingering after search is finished.
|
|
#
|
|
read -k -t ${HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_TIMEOUT:-1} && zle -U -- "$REPLY"
|
|
region_highlight=( "${(@)region_highlight:#*${highlight_memo}*}" )
|
|
fi
|
|
|
|
# Exit successfully from the history-substring-search-* widgets.
|
|
return 0
|
|
}
|
|
|
|
_history-substring-search-up-buffer() {
|
|
#
|
|
# Check if the UP arrow was pressed to move the cursor within a multi-line
|
|
# buffer. This amounts to three tests:
|
|
#
|
|
# 1. $#buflines -gt 1.
|
|
#
|
|
# 2. $CURSOR -ne $#BUFFER.
|
|
#
|
|
# 3. Check if we are on the first line of the current multi-line buffer.
|
|
# If so, pressing UP would amount to leaving the multi-line buffer.
|
|
#
|
|
# We check this by adding an extra "x" to $LBUFFER, which makes
|
|
# sure that xlbuflines is always equal to the number of lines
|
|
# until $CURSOR (including the line with the cursor on it).
|
|
#
|
|
local buflines XLBUFFER xlbuflines
|
|
buflines=(${(f)BUFFER})
|
|
XLBUFFER=$LBUFFER"x"
|
|
xlbuflines=(${(f)XLBUFFER})
|
|
|
|
if [[ $#buflines -gt 1 && $CURSOR -ne $#BUFFER && $#xlbuflines -ne 1 ]]; then
|
|
zle up-line-or-history
|
|
return 0
|
|
fi
|
|
|
|
return 1
|
|
}
|
|
|
|
_history-substring-search-down-buffer() {
|
|
#
|
|
# Check if the DOWN arrow was pressed to move the cursor within a multi-line
|
|
# buffer. This amounts to three tests:
|
|
#
|
|
# 1. $#buflines -gt 1.
|
|
#
|
|
# 2. $CURSOR -ne $#BUFFER.
|
|
#
|
|
# 3. Check if we are on the last line of the current multi-line buffer.
|
|
# If so, pressing DOWN would amount to leaving the multi-line buffer.
|
|
#
|
|
# We check this by adding an extra "x" to $RBUFFER, which makes
|
|
# sure that xrbuflines is always equal to the number of lines
|
|
# from $CURSOR (including the line with the cursor on it).
|
|
#
|
|
local buflines XRBUFFER xrbuflines
|
|
buflines=(${(f)BUFFER})
|
|
XRBUFFER="x"$RBUFFER
|
|
xrbuflines=(${(f)XRBUFFER})
|
|
|
|
if [[ $#buflines -gt 1 && $CURSOR -ne $#BUFFER && $#xrbuflines -ne 1 ]]; then
|
|
zle down-line-or-history
|
|
return 0
|
|
fi
|
|
|
|
return 1
|
|
}
|
|
|
|
_history-substring-search-up-history() {
|
|
#
|
|
# Behave like up in ZSH, except clear the $BUFFER
|
|
# when beginning of history is reached like in Fish.
|
|
#
|
|
if [[ -z $_history_substring_search_query ]]; then
|
|
|
|
# we have reached the absolute top of history
|
|
if [[ $HISTNO -eq 1 ]]; then
|
|
BUFFER=
|
|
|
|
# going up from somewhere below the top of history
|
|
else
|
|
zle up-line-or-history
|
|
fi
|
|
|
|
return 0
|
|
fi
|
|
|
|
return 1
|
|
}
|
|
|
|
_history-substring-search-down-history() {
|
|
#
|
|
# Behave like down-history in ZSH, except clear the
|
|
# $BUFFER when end of history is reached like in Fish.
|
|
#
|
|
if [[ -z $_history_substring_search_query ]]; then
|
|
|
|
# going down from the absolute top of history
|
|
if [[ $HISTNO -eq 1 && -z $BUFFER ]]; then
|
|
BUFFER=${history[1]}
|
|
_history_substring_search_refresh_display=1
|
|
|
|
# going down from somewhere above the bottom of history
|
|
else
|
|
zle down-line-or-history
|
|
fi
|
|
|
|
return 0
|
|
fi
|
|
|
|
return 1
|
|
}
|
|
|
|
_history_substring_search_process_raw_matches() {
|
|
#
|
|
# Process more outstanding raw matches and append any matches that need to
|
|
# be displayed to the user to _history_substring_search_matches.
|
|
# Return whether there were any more results appended.
|
|
#
|
|
|
|
#
|
|
# While we have more raw matches. Process them to see if there are any more
|
|
# matches that need to be displayed to the user.
|
|
#
|
|
while [[ $_history_substring_search_raw_match_index -lt $#_history_substring_search_raw_matches ]]; do
|
|
#
|
|
# Move on to the next raw entry and get its history index.
|
|
#
|
|
_history_substring_search_raw_match_index+=1
|
|
local index=${_history_substring_search_raw_matches[$_history_substring_search_raw_match_index]}
|
|
|
|
#
|
|
# If HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE is set to a non-empty value,
|
|
# then ensure that only unique matches are presented to the user.
|
|
# When HIST_IGNORE_ALL_DUPS is set, ZSH already ensures a unique history,
|
|
# so in this case we do not need to do anything.
|
|
#
|
|
if [[ ! -o HIST_IGNORE_ALL_DUPS && -n $HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE ]]; then
|
|
#
|
|
# Get the actual history entry at the new index, and check if we have
|
|
# already added it to _history_substring_search_matches.
|
|
#
|
|
local entry=${history[$index]}
|
|
|
|
if [[ -z ${_history_substring_search_unique_filter[$entry]} ]]; then
|
|
#
|
|
# This is a new unique entry. Add it to the filter and append the
|
|
# index to _history_substring_search_matches.
|
|
#
|
|
_history_substring_search_unique_filter[$entry]=1
|
|
_history_substring_search_matches+=($index)
|
|
|
|
#
|
|
# Indicate that we did find a match.
|
|
#
|
|
return 0
|
|
fi
|
|
|
|
else
|
|
#
|
|
# Just append the new history index to the processed matches.
|
|
#
|
|
_history_substring_search_matches+=($index)
|
|
|
|
#
|
|
# Indicate that we did find a match.
|
|
#
|
|
return 0
|
|
fi
|
|
|
|
done
|
|
|
|
#
|
|
# We are beyond the end of the list of raw matches. Indicate that no
|
|
# more matches are available.
|
|
#
|
|
return 1
|
|
}
|
|
|
|
_history-substring-search-has-next() {
|
|
#
|
|
# Predicate function that returns whether any more older matches are
|
|
# available.
|
|
#
|
|
|
|
if [[ $_history_substring_search_match_index -lt $#_history_substring_search_matches ]]; then
|
|
#
|
|
# We did not reach the end of the processed list, so we do have further
|
|
# matches.
|
|
#
|
|
return 0
|
|
|
|
else
|
|
#
|
|
# We are at the end of the processed list. Try to process further
|
|
# unprocessed matches. _history_substring_search_process_raw_matches
|
|
# returns whether any more matches were available, so just return
|
|
# that result.
|
|
#
|
|
_history_substring_search_process_raw_matches
|
|
return $?
|
|
fi
|
|
}
|
|
|
|
_history-substring-search-has-prev() {
|
|
#
|
|
# Predicate function that returns whether any more younger matches are
|
|
# available.
|
|
#
|
|
|
|
if [[ $_history_substring_search_match_index -gt 1 ]]; then
|
|
#
|
|
# We did not reach the beginning of the processed list, so we do have
|
|
# further matches.
|
|
#
|
|
return 0
|
|
|
|
else
|
|
#
|
|
# We are at the beginning of the processed list. We do not have any more
|
|
# matches.
|
|
#
|
|
return 1
|
|
fi
|
|
}
|
|
|
|
_history-substring-search-found() {
|
|
#
|
|
# A match is available. The index of the match is held in
|
|
# $_history_substring_search_match_index
|
|
#
|
|
# 1. Make $BUFFER equal to the matching history entry.
|
|
#
|
|
# 2. Use $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND
|
|
# to highlight the current buffer.
|
|
#
|
|
BUFFER=$history[$_history_substring_search_matches[$_history_substring_search_match_index]]
|
|
_history_substring_search_query_highlight=$HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND
|
|
}
|
|
|
|
_history-substring-search-not-found() {
|
|
#
|
|
# No more matches are available.
|
|
#
|
|
# 1. Make $BUFFER equal to $_history_substring_search_query so the user can
|
|
# revise it and search again.
|
|
#
|
|
# 2. Use $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND
|
|
# to highlight the current buffer.
|
|
#
|
|
BUFFER=$_history_substring_search_query
|
|
_history_substring_search_query_highlight=$HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND
|
|
}
|
|
|
|
_history-substring-search-up-search() {
|
|
_history_substring_search_refresh_display=1
|
|
|
|
#
|
|
# Select history entry during history-substring-down-search:
|
|
#
|
|
# The following variables have been initialized in
|
|
# _history-substring-search-up/down-search():
|
|
#
|
|
# $_history_substring_search_matches is the current list of matches that
|
|
# need to be displayed to the user.
|
|
# $_history_substring_search_match_index is the index of the current match
|
|
# that is being displayed to the user.
|
|
#
|
|
# The range of values that $_history_substring_search_match_index can take
|
|
# is: [0, $#_history_substring_search_matches + 1]. A value of 0
|
|
# indicates that we are beyond the beginning of
|
|
# $_history_substring_search_matches. A value of
|
|
# $#_history_substring_search_matches + 1 indicates that we are beyond
|
|
# the end of $_history_substring_search_matches and that we have also
|
|
# processed all entries in _history_substring_search_raw_matches.
|
|
#
|
|
# If $_history_substring_search_match_index equals
|
|
# $#_history_substring_search_matches and
|
|
# $_history_substring_search_raw_match_index is not greater than
|
|
# $#_history_substring_search_raw_matches, then we need to further process
|
|
# $_history_substring_search_raw_matches to see if there are any more
|
|
# entries that need to be displayed to the user.
|
|
#
|
|
# In _history-substring-search-up-search() the initial value of
|
|
# $_history_substring_search_match_index is 0. This value is set in
|
|
# _history-substring-search-begin(). _history-substring-search-up-search()
|
|
# will initially increment it to 1.
|
|
#
|
|
|
|
if [[ $_history_substring_search_match_index -gt $#_history_substring_search_matches ]]; then
|
|
#
|
|
# We are beyond the end of $_history_substring_search_matches. This
|
|
# can only happen if we have also exhausted the unprocessed matches in
|
|
# _history_substring_search_raw_matches.
|
|
#
|
|
# 1. Update display to indicate search not found.
|
|
#
|
|
_history-substring-search-not-found
|
|
return
|
|
fi
|
|
|
|
if _history-substring-search-has-next; then
|
|
#
|
|
# We do have older matches.
|
|
#
|
|
# 1. Move index to point to the next match.
|
|
# 2. Update display to indicate search found.
|
|
#
|
|
_history_substring_search_match_index+=1
|
|
_history-substring-search-found
|
|
|
|
else
|
|
#
|
|
# We do not have older matches.
|
|
#
|
|
# 1. Move the index beyond the end of
|
|
# _history_substring_search_matches.
|
|
# 2. Update display to indicate search not found.
|
|
#
|
|
_history_substring_search_match_index+=1
|
|
_history-substring-search-not-found
|
|
fi
|
|
|
|
#
|
|
# When HIST_FIND_NO_DUPS is set, meaning that only unique command lines from
|
|
# history should be matched, make sure the new and old results are different.
|
|
#
|
|
# However, if the HIST_IGNORE_ALL_DUPS shell option, or
|
|
# HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE is set, then we already have a
|
|
# unique history, so in this case we do not need to do anything.
|
|
#
|
|
if [[ -o HIST_IGNORE_ALL_DUPS || -n $HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE ]]; then
|
|
return
|
|
fi
|
|
|
|
if [[ -o HIST_FIND_NO_DUPS && $BUFFER == $_history_substring_search_result ]]; then
|
|
#
|
|
# Repeat the current search so that a different (unique) match is found.
|
|
#
|
|
_history-substring-search-up-search
|
|
fi
|
|
}
|
|
|
|
_history-substring-search-down-search() {
|
|
_history_substring_search_refresh_display=1
|
|
|
|
#
|
|
# Select history entry during history-substring-down-search:
|
|
#
|
|
# The following variables have been initialized in
|
|
# _history-substring-search-up/down-search():
|
|
#
|
|
# $_history_substring_search_matches is the current list of matches that
|
|
# need to be displayed to the user.
|
|
# $_history_substring_search_match_index is the index of the current match
|
|
# that is being displayed to the user.
|
|
#
|
|
# The range of values that $_history_substring_search_match_index can take
|
|
# is: [0, $#_history_substring_search_matches + 1]. A value of 0
|
|
# indicates that we are beyond the beginning of
|
|
# $_history_substring_search_matches. A value of
|
|
# $#_history_substring_search_matches + 1 indicates that we are beyond
|
|
# the end of $_history_substring_search_matches and that we have also
|
|
# processed all entries in _history_substring_search_raw_matches.
|
|
#
|
|
# In _history-substring-search-down-search() the initial value of
|
|
# $_history_substring_search_match_index is 1. This value is set in
|
|
# _history-substring-search-begin(). _history-substring-search-down-search()
|
|
# will initially decrement it to 0.
|
|
#
|
|
|
|
if [[ $_history_substring_search_match_index -lt 1 ]]; then
|
|
#
|
|
# We are beyond the beginning of $_history_substring_search_matches.
|
|
#
|
|
# 1. Update display to indicate search not found.
|
|
#
|
|
_history-substring-search-not-found
|
|
return
|
|
fi
|
|
|
|
if _history-substring-search-has-prev; then
|
|
#
|
|
# We do have younger matches.
|
|
#
|
|
# 1. Move index to point to the previous match.
|
|
# 2. Update display to indicate search found.
|
|
#
|
|
_history_substring_search_match_index+=-1
|
|
_history-substring-search-found
|
|
|
|
else
|
|
#
|
|
# We do not have younger matches.
|
|
#
|
|
# 1. Move the index beyond the beginning of
|
|
# _history_substring_search_matches.
|
|
# 2. Update display to indicate search not found.
|
|
#
|
|
_history_substring_search_match_index+=-1
|
|
_history-substring-search-not-found
|
|
fi
|
|
|
|
#
|
|
# When HIST_FIND_NO_DUPS is set, meaning that only unique command lines from
|
|
# history should be matched, make sure the new and old results are different.
|
|
#
|
|
# However, if the HIST_IGNORE_ALL_DUPS shell option, or
|
|
# HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE is set, then we already have a
|
|
# unique history, so in this case we do not need to do anything.
|
|
#
|
|
if [[ -o HIST_IGNORE_ALL_DUPS || -n $HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE ]]; then
|
|
return
|
|
fi
|
|
|
|
if [[ -o HIST_FIND_NO_DUPS && $BUFFER == $_history_substring_search_result ]]; then
|
|
#
|
|
# Repeat the current search so that a different (unique) match is found.
|
|
#
|
|
_history-substring-search-down-search
|
|
fi
|
|
}
|
|
|
|
# -*- mode: zsh; sh-indentation: 2; indent-tabs-mode: nil; sh-basic-offset: 2; -*-
|
|
# vim: ft=zsh sw=2 ts=2 et
|