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zsh-syntax-highlighting
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Declare styles in an associative array to make it easily overridable

This commit is contained in:
Julien Nicoulaud 2010-12-30 18:35:28 +01:00
parent 00427081d1
commit 91760946f3
1 changed files with 40 additions and 39 deletions
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79
zsh-syntax-highlighting.zsh
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@ -5,26 +5,27 @@
# Token types styles.
# See http://zsh.sourceforge.net/Doc/Release/Zsh-Line-Editor.html#SEC135
ZLE_RESERVED_WORD_STYLE='fg=yellow,bold'
ZLE_ALIAS_STYLE='fg=green,bold'
ZLE_BUILTIN_STYLE='fg=cyan,bold'
ZLE_FUNCTION_STYLE='fg=blue,bold'
ZLE_COMMAND_STYLE='fg=green,bold'
ZLE_PATH_STYLE='fg=white,underline'
ZLE_COMMAND_UNKNOWN_TOKEN_STYLE='fg=red,bold'
typeset -A ZSH_SYNTAX_HIGHLIGHTING_STYLES
ZSH_SYNTAX_HIGHLIGHTING_STYLES=(
default 'none'
unknown-token 'fg=red,bold'
reserved-word 'fg=yellow,bold'
alias 'fg=green,bold'
builtin 'fg=cyan,bold'
function 'fg=blue,bold'
command 'fg=green,bold'
path 'fg=white,underline'
globbing 'fg=blue,bold'
single-hyphen-option 'fg=yellow'
double-hyphen-option 'fg=yellow'
single-quoted-argument 'fg=yellow'
double-quoted-argument 'fg=yellow'
dollar-double-quoted-argument 'fg=cyan'
back-quoted-argument 'fg=cyan,bold'
back-double-quoted-argument 'fg=magenta'
)
ZLE_HYPHEN_CLI_OPTION='fg=white'
ZLE_DOUBLE_HYPHEN_CLI_OPTION='fg=white'
ZLE_SINGLE_QUOTED='fg=yellow'
ZLE_DOUBLE_QUOTED='fg=yellow'
ZLE_DOLLAR_DOUBLE_QUOTED='fg=cyan'
ZLE_BACK_DOUBLE_QUOTED='fg=magenta'
ZLE_BACK_QUOTED='fg=cyan,bold'
ZLE_GLOBING='fg=blue,bold'
ZLE_DEFAULT='fg=white,bold'
ZLE_TOKENS_FOLLOWED_BY_COMMANDS=('|' '||' ';' '&' '&&' 'sudo' 'start' 'time' 'strace' 'noglob' 'command' 'builtin')
ZSH_HIGHLIGHT_TOKENS_FOLLOWED_BY_COMMANDS=('|' '||' ';' '&' '&&' 'sudo' 'start' 'time' 'strace' 'noglob' 'command' 'builtin')
_check_path() {
[[ -z $arg ]] && return 1
@ -44,10 +45,10 @@ _hl_string() {
(( j = i + start_pos - 1 ))
(( k = j + 1 ))
c="$arg[$i]"
[[ "$c" = '$' ]] && region_highlight+=("$j $k $ZLE_DOLLAR_DOUBLE_QUOTED")
[[ "$c" = '$' ]] && region_highlight+=("$j $k $ZSH_SYNTAX_HIGHLIGHTING_STYLES[dollar-double-quoted-argument]")
if [[ "$c" = "\\" ]] ; then
(( k = k + 1 ))
region_highlight+=("$j $k $ZLE_BACK_DOUBLE_QUOTED")
region_highlight+=("$j $k $ZSH_SYNTAX_HIGHLIGHTING_STYLES[back-double-quoted-argument]")
fi
done
}
@ -66,44 +67,44 @@ colorize-zle-buffer() {
colorize=false
res=$(LC_ALL=C builtin type -w $arg 2>/dev/null)
case $res in
*': reserved') style=$ZLE_RESERVED_WORD_STYLE;;
*': alias') style=$ZLE_ALIAS_STYLE;;
*': builtin') style=$ZLE_BUILTIN_STYLE;;
*': function') style=$ZLE_FUNCTION_STYLE;;
*': command') style=$ZLE_COMMAND_STYLE;;
*': reserved') style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[reserved-word];;
*': alias') style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[alias];;
*': builtin') style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[builtin];;
*': function') style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[function];;
*': command') style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[command];;
*)
if _check_path; then
style=$ZLE_PATH_STYLE
style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[path]
else
style=$ZLE_COMMAND_UNKNOWN_TOKEN_STYLE
style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[unknown-token]
fi
;;
esac
else
case $arg in
'--'*) style=$ZLE_DOUBLE_HYPHEN_CLI_OPTION;;
'-'*) style=$ZLE_HYPHEN_CLI_OPTION;;
"'"*"'") style=$ZLE_SINGLE_QUOTED;;
'"'*'"') style=$ZLE_DOUBLE_QUOTED
'--'*) style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[double-hyphen-option];;
'-'*) style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[single-hyphen-option];;
"'"*"'") style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[single-quoted-argument];;
'"'*'"') style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[double-quoted-argument]
region_highlight+=("$start_pos $end_pos $style")
_hl_string
substr_color=1
;;
'`'*'`') style=$ZLE_BACK_QUOTED;;
*"*"*) style=$ZLE_GLOBING;;
*) style=$ZLE_DEFAULT
_check_path && style=$ZLE_PATH_STYLE
'`'*'`') style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[back-quoted-argument];;
*"*"*) style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[globbing];;
*) style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[default]
_check_path && style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[path]
;;
esac
fi
[[ $substr_color = 0 ]] && region_highlight+=("$start_pos $end_pos $style")
[[ ${${ZLE_TOKENS_FOLLOWED_BY_COMMANDS[(r)${arg//|/\|}]:-}:+yes} = 'yes' ]] && colorize=true
[[ ${${ZSH_HIGHLIGHT_TOKENS_FOLLOWED_BY_COMMANDS[(r)${arg//|/\|}]:-}:+yes} = 'yes' ]] && colorize=true
start_pos=$end_pos
done
}
# Bind the function to ZLE events.
ZLE_COLORED_FUNCTIONS=(
ZSH_HIGHLIGHT_COLORED_FUNCTIONS=(
self-insert
magic-space
delete-char
@ -119,7 +120,7 @@ ZLE_COLORED_FUNCTIONS=(
yank
)
for f in $ZLE_COLORED_FUNCTIONS; do
for f in $ZSH_HIGHLIGHT_COLORED_FUNCTIONS; do
eval "$f() { zle .$f && colorize-zle-buffer } ; zle -N $f"
done