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dollar variable and backslash codes highlighting

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Added highlighting of dollar variables and backslash codes (hex and oct) in double quoted strings
This commit is contained in:
Shura 2013-07-29 17:29:04 +04:00
parent e5d8a50d36
commit d36220daba
1 changed files with 18 additions and 2 deletions
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20
highlighters/main/main-highlighter.zsh
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@ -167,7 +167,7 @@ _zsh_highlight_main_highlighter_check_path()
_zsh_highlight_main_highlighter_highlight_string()
{
setopt localoptions noksharrays
local i j k style
local i j k style varflag
# Starting quote is at 1, so start parsing at offset 2 in the string.
for (( i = 2 ; i < end_pos - start_pos ; i += 1 )) ; do
(( j = i + start_pos - 1 ))
@ -175,10 +175,26 @@ _zsh_highlight_main_highlighter_highlight_string()
case "$arg[$i]" in
'$') style=$ZSH_HIGHLIGHT_STYLES[dollar-double-quoted-argument];;
"\\") style=$ZSH_HIGHLIGHT_STYLES[back-double-quoted-argument]
for (( c = i + 1 ; c < end_pos - start_pos ; c += 1 )); do
[[ "$arg[$c]" != ([0-9,xX,a-f,A-F]) ]] && break
done
AA=$arg[$i+1,$c-1]
if [[ "$AA" =~ "^(0*(x|X)[0-9,a-f,A-F]{1,2})" || "$AA" =~ "^(0[0-7]{1,3})" ]];then
(( k += $#MATCH ))
(( i += $#MATCH ))
else
(( k += 1 )) # Color following char too.
(( i += 1 )) # Skip parsing the escaped char.
fi
(( varflag = 0 ))
(( k += 1 )) # Color following char too.
(( i += 1 )) # Skip parsing the escaped char.
;;
*) continue;;
([^a-zA-Z0-9_]))
(( varflag = 0 ))
continue
;;
*) [[ $varflag -eq 0 ]] && continue ;;
esac
region_highlight+=("$j $k $style")
done