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zsh-syntax-highlighting
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Highlight special chars in double-quoted strings

This commit is contained in:
Andreas Jaggi 2010-12-27 12:57:05 +01:00 committed by x-way
parent 9f88ab66ee
commit 48b3897479
1 changed files with 29 additions and 3 deletions
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32
zsh-syntax-highlighting.zsh
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@ -16,7 +16,9 @@ ZLE_COMMAND_UNKNOWN_TOKEN_STYLE='fg=red,bold'
ZLE_HYPHEN_CLI_OPTION='fg=white' ZLE_HYPHEN_CLI_OPTION='fg=white'
ZLE_DOUBLE_HYPHEN_CLI_OPTION='fg=white' ZLE_DOUBLE_HYPHEN_CLI_OPTION='fg=white'
ZLE_SINGLE_QUOTED='fg=yellow' ZLE_SINGLE_QUOTED='fg=yellow'
ZLE_DOUBLE_QUOTED='fg=red' ZLE_DOUBLE_QUOTED='fg=yellow'
ZLE_DOLLAR_DOUBLE_QUOTED='fg=cyan'
ZLE_BACK_DOUBLE_QUOTED='fg=magenta'
ZLE_BACK_QUOTED='fg=cyan,bold' ZLE_BACK_QUOTED='fg=cyan,bold'
ZLE_GLOBING='fg=blue,bold' ZLE_GLOBING='fg=blue,bold'
@ -32,6 +34,24 @@ _check_path() {
return 1 return 1
} }
# hightlight special chars inside double-quoted strings
_hl_string() {
local i
local j
local k
local c
for (( i = 0 ; i < end_pos - start_pos ; i += 1 )) ; do
(( j = i + start_pos - 1 ))
(( k = j + 1 ))
c="$arg[$i]"
[[ "$c" = '$' ]] && region_highlight+=("$j $k $ZLE_DOLLAR_DOUBLE_QUOTED")
if [[ "$c" = '\' ]] ; then
(( k = k + 1 ))
region_highlight+=("$j $k $ZLE_BACK_DOUBLE_QUOTED")
fi
done
}
# Recolorize the current ZLE buffer. # Recolorize the current ZLE buffer.
colorize-zle-buffer() { colorize-zle-buffer() {
setopt localoptions extendedglob setopt localoptions extendedglob
@ -39,6 +59,7 @@ colorize-zle-buffer() {
colorize=true colorize=true
start_pos=0 start_pos=0
for arg in ${(z)BUFFER}; do for arg in ${(z)BUFFER}; do
local substr_color=0
((start_pos+=${#BUFFER[$start_pos+1,-1]}-${#${BUFFER[$start_pos+1,-1]##[[:space:]]#}})) ((start_pos+=${#BUFFER[$start_pos+1,-1]}-${#${BUFFER[$start_pos+1,-1]##[[:space:]]#}}))
((end_pos=$start_pos+${#arg})) ((end_pos=$start_pos+${#arg}))
if $colorize; then if $colorize; then
@ -60,7 +81,12 @@ colorize-zle-buffer() {
'--'*) style=$ZLE_DOUBLE_HYPHEN_CLI_OPTION;; '--'*) style=$ZLE_DOUBLE_HYPHEN_CLI_OPTION;;
'-'*) style=$ZLE_HYPHEN_CLI_OPTION;; '-'*) style=$ZLE_HYPHEN_CLI_OPTION;;
"'"*"'") style=$ZLE_SINGLE_QUOTED;; "'"*"'") style=$ZLE_SINGLE_QUOTED;;
'"'*'"') style=$ZLE_DOUBLE_QUOTED;; '"'*'"')
style=$ZLE_DOUBLE_QUOTED
region_highlight+=("$start_pos $end_pos $style")
_hl_string
substr_color=1
;;
'`'*'`') style=$ZLE_BACK_QUOTED;; '`'*'`') style=$ZLE_BACK_QUOTED;;
*"*"*) style=$ZLE_GLOBING;; *"*"*) style=$ZLE_GLOBING;;
*) *)
@ -69,7 +95,7 @@ colorize-zle-buffer() {
;; ;;
esac esac
fi fi
region_highlight+=("$start_pos $end_pos $style") [[ $substr_color = 0 ]] && region_highlight+=("$start_pos $end_pos $style")
[[ ${${ZLE_TOKENS_FOLLOWED_BY_COMMANDS[(r)${arg//|/\|}]:-}:+yes} = 'yes' ]] && colorize=true [[ ${${ZLE_TOKENS_FOLLOWED_BY_COMMANDS[(r)${arg//|/\|}]:-}:+yes} = 'yes' ]] && colorize=true
start_pos=$end_pos start_pos=$end_pos
done done