diff options
Diffstat (limited to 'Functions/Zle/replace-string-again')
-rw-r--r-- | Functions/Zle/replace-string-again | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/Functions/Zle/replace-string-again b/Functions/Zle/replace-string-again new file mode 100644 index 000000000..122f0a8ee --- /dev/null +++ b/Functions/Zle/replace-string-again @@ -0,0 +1,45 @@ +# Back end for replace-string; can be called as a widget to repeat +# the previous replacement. _replace_string_src and _replace_string_rep +# are global. + +# When called from replace-string, we need to use the widget +# name passed to decide whether to do pattern matching: the widget +# may since have been overwritten. +local MATCH MBEGIN MEND curwidget=${1:-$WIDGET} +local -a match mbegin mend + +if [[ -z $_replace_string_src ]]; then + zle -M No string to replace. +fi + +if [[ $curwidget = *pattern* ]]; then + local rep2 + # The following horror is so that an & preceded by an even + # number of backslashes is active, without stripping backslashes, + # while preceded by an odd number of backslashes is inactive, + # with one backslash being stripped. A similar logic applies + # to \digit. + local rep=$_replace_string_rep + while [[ $rep = (#b)([^\\]#)(\\\\)#(\\|)(\&|\\<->|\\\{<->\})(*) ]]; do + if [[ -n $match[3] ]]; then + # Expression is quoted, strip quotes + rep2="${match[1]}${match[2]}${match[4]}" + else + rep2+="${match[1]}${match[2]}" + if [[ $match[4] = \& ]]; then + rep2+='${MATCH}' + elif [[ $match[4] = \\\{* ]]; then + rep2+='${match['${match[4][3,-2]}']}' + else + rep2+='${match['${match[4][2,-1]}']}' + fi + fi + rep=${match[5]} + done + rep2+=$rep + LBUFFER=${LBUFFER//(#bm)$~_replace_string_src/${(e)rep2}} + RBUFFER=${RBUFFER//(#bm)$~_replace_string_src/${(e)rep2}} +else + LBUFFER=${LBUFFER//$_replace_string_src/$_replace_string_rep} + RBUFFER=${RBUFFER//$_replace_string_src/$_replace_string_rep} +fi |