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Feature: dynamic strategy switching

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This commit is contained in:
Sebastian Gniazdowski 2018-10-29 13:38:40 +01:00
parent ebaf409002
commit af7d728f68
1 changed files with 41 additions and 2 deletions
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43
zsh-autosuggestions.zsh
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@ -49,6 +49,25 @@ ZSH_AUTOSUGGEST_ORIGINAL_WIDGET_PREFIX=autosuggest-orig-
ZSH_AUTOSUGGEST_STRATEGY=default
# Holds currently recognized trigger – two first characters
# of $BUFFER can be special, see the next parameter
ZSH_AUTOSUGGEST_CURRENT_TRIGGER=""
# Dynamically change the strategy - first two characters
# of $BUFFER can be recognized as special: if they occur
# in the map below - and if so then the strategy will be
# changed for current single command
typeset -gA ZSH_AUTOSUGGEST_DYNAMIC_STRATEGY_TRIGGER_MAP
ZSH_AUTOSUGGEST_DYNAMIC_STRATEGY_TRIGGER_MAP=(
"@@" default
"%%" match_prev_cmd
)
# If the possible trigger will match above hash,
# then a custom, dynamic strategy will be selected
# and stored in this scalar; empty if no match.
ZSH_AUTOSUGGEST_DYNAMIC_STRATEGY=""
# Widgets that clear the suggestion
ZSH_AUTOSUGGEST_CLEAR_WIDGETS=(
history-search-forward
@ -211,6 +230,9 @@ _zsh_autosuggest_bind_widget() {
# Map all configured widgets to the right autosuggest widgets
_zsh_autosuggest_bind_widgets() {
# Clear dynamic-strategy
ZSH_AUTOSUGGEST_CURRENT_TRIGGER="" ZSH_AUTOSUGGEST_DYNAMIC_STRATEGY=""
local widget
local ignore_widgets
@ -340,6 +362,23 @@ _zsh_autosuggest_modify() {
return $retval
fi
# Check if user want's to switch the strategy
local trigger_candidate strategy_candidate
# Basically TRIGGERS_MAP["first_two_letters_of_the_cmdline"],
# this can yield the strategy to use
trigger_candidate="${BUFFER[1,2]}"
strategy_candidate="${ZSH_AUTOSUGGEST_DYNAMIC_STRATEGY_TRIGGER_MAP[$trigger_candidate]}"
# An actual trigger occurred?
[[ -n "$strategy_candidate" ]] && {
ZSH_AUTOSUGGEST_CURRENT_TRIGGER="$trigger_candidate"
ZSH_AUTOSUGGEST_DYNAMIC_STRATEGY="$strategy_candidate"
BUFFER="${BUFFER##$trigger_candidate}" # this will trigger a reaction from F-Sy-H and Z-Sy-H, sadly
POSTDISPLAY=$'\n'"# Selected strategy: $strategy_candidate"
# Recreate async server so it has the new values of the globals
zpty -t "$ZSH_AUTOSUGGEST_ASYNC_PTY_NAME" &>/dev/null && _zsh_autosuggest_async_pty_recreate
return $retval
}
# Optimize if manually typing in the suggestion
if (( $#BUFFER > $#orig_buffer )); then
local added=${BUFFER#$orig_buffer}
@ -378,7 +417,7 @@ _zsh_autosuggest_fetch() {
_zsh_autosuggest_async_request "$BUFFER"
else
local suggestion
_zsh_autosuggest_strategy_$ZSH_AUTOSUGGEST_STRATEGY "$BUFFER"
_zsh_autosuggest_strategy_${ZSH_AUTOSUGGEST_DYNAMIC_STRATEGY:-$ZSH_AUTOSUGGEST_STRATEGY} "$BUFFER"
_zsh_autosuggest_suggest "$suggestion"
fi
}
@ -610,7 +649,7 @@ _zsh_autosuggest_async_server() {
# Run suggestion search in the background
(
local suggestion
_zsh_autosuggest_strategy_$ZSH_AUTOSUGGEST_STRATEGY "$query"
_zsh_autosuggest_strategy_${ZSH_AUTOSUGGEST_DYNAMIC_STRATEGY:-$ZSH_AUTOSUGGEST_STRATEGY} "$query"
echo -n -E "$suggestion"$'\0'
) &