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//proc/self/root/proc/self/root/usr/share/zsh/5.0.2/functions/predict-on
# This set of functions implements a sort of magic history searching. # After predict-on, typing characters causes the editor to look backward # in the history for the first line beginning with what you have typed so # far. After predict-off, editing returns to normal for the line found. # In fact, you often don't even need to use predict-off, because if the # line doesn't match something in the history, adding a key performs # standard completion --- though editing in the middle is liable to delete # the rest of the line. # # With the function based completion system (which is needed for this), # you should be able to type TAB at almost any point to advance the cursor # to the next "interesting" character position (usually the end of the # current word, but sometimes somewhere in the middle of the word). And # of course as soon as the entire line is what you want, you can accept # with RETURN, without needing to move the cursor to the end first. # # To use it: # autoload -Uz predict-on # zle -N predict-on # zle -N predict-off # bindkey '...' predict-on # bindkey '...' predict-off # Note that all functions are defined when you first type the predict-on # key, which means typing the predict-off key before that gives a harmless # error message. predict-on() { zle -N self-insert insert-and-predict zle -N magic-space insert-and-predict zle -N backward-delete-char delete-backward-and-predict zle -N delete-char-or-list delete-no-predict zstyle -t :predict verbose && zle -M predict-on return 0 } predict-off() { zle -A .self-insert self-insert zle -A .magic-space magic-space zle -A .backward-delete-char backward-delete-char zstyle -t :predict verbose && zle -M predict-off return 0 } insert-and-predict () { setopt localoptions noshwordsplit noksharrays if [[ $LBUFFER == *$'\012'* ]] || (( PENDING )) then # Editing a multiline buffer or pasting in a chunk of text; # it's unlikely prediction is wanted zstyle -t ":predict" toggle && predict-off zle .$WIDGET "$@" return elif [[ ${RBUFFER[1]} == ${KEYS[-1]} ]] then # Same as what's typed, just move on ((++CURSOR)) else LBUFFER="$LBUFFER$KEYS" if [[ $LASTWIDGET == (self-insert|magic-space|backward-delete-char) || $LASTWIDGET == (complete-word|accept-*|predict-*|zle-line-init) ]] then if ! zle .history-beginning-search-backward then RBUFFER="" if [[ ${KEYS[-1]} != ' ' ]] then unsetopt automenu recexact integer curs=$CURSOR pos nchar=${#LBUFFER//[^${KEYS[-1]}]} local -a +h comppostfuncs local crs curcontext="predict:${${curcontext:-:::}#*:}" comppostfuncs=( predict-limit-list ) zle complete-word # Decide where to leave the cursor. The dummy loop is used to # get out of that `case'. repeat 1 do zstyle -s ":predict" cursor crs case $crs in (complete) # At the place where the completion left it, if it is after # the character typed. [[ ${LBUFFER[-1]} = ${KEYS[-1]} ]] && break ;& (key) # Or maybe at the n'th occurrence of the character typed. pos=${BUFFER[(in:nchar:)${KEYS[-1]}]} if [[ pos -gt curs ]] then CURSOR=$pos break fi ;& (*) # Or else at the previous position. CURSOR=$curs esac done fi fi else zstyle -t ":predict" toggle && predict-off fi fi return 0 } delete-backward-and-predict() { if (( $#LBUFFER > 1 )) then setopt localoptions noshwordsplit noksharrays # When editing a multiline buffer, it's unlikely prediction is wanted; # or if the last widget was e.g. a motion, then probably the intent is # to actually edit the line, not change the search prefix. if [[ $LBUFFER = *$'\012'* || $LASTWIDGET != (self-insert|magic-space|backward-delete-char) ]] then zstyle -t ":predict" toggle && predict-off LBUFFER="$LBUFFER[1,-2]" else ((--CURSOR)) zle .history-beginning-search-forward || RBUFFER="" return 0 fi else zle .kill-whole-line fi } delete-no-predict() { [[ $WIDGET != delete-char-or-list || -n $RBUFFER ]] && predict-off zle .$WIDGET "$@" } # This is a helper function for autocompletion to prevent long lists # of matches from forcing a "do you wish to see all ...?" prompt. predict-limit-list() { if (( compstate[list_lines]+BUFFERLINES > LINES || ( compstate[list_max] != 0 && compstate[nmatches] > compstate[list_max] ) )) then compstate[list]='' elif zstyle -t ":predict" list always then compstate[list]='force list' fi } # Handle zsh autoloading conventions [[ -o kshautoload ]] || predict-on "$@"
