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Explode files to support overrides

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This commit is contained in:
Mounier Florian 2010-12-31 15:39:31 +01:00
commit 13c29c227d
4 changed files with 130 additions and 116 deletions
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10_core.zsh Executable file
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#!/usr/bin/env zsh
# Copyleft 2010 zsh-syntax-highlighting contributors
# http://github.com/nicoulaj/zsh-syntax-highlighting
# All wrongs reserved.
# vim: ft=zsh sw=2 ts=2 et
# ZLE highlight types.
zle_highlight=(
special:$ZSH_SYNTAX_HIGHLIGHTING_STYLES[special]
isearch:$ZSH_SYNTAX_HIGHLIGHTING_STYLES[isearch]
)
# Check if the argument is a path.
_zsh_check-path() {
[[ -z $arg ]] && return 1
[[ -e $arg ]] && return 0
[[ ! -e ${arg:h} ]] && return 1
[[ ${#BUFFER} == $end_pos && -n $(print $arg*(N)) ]] && return 0
return 1
}
# Highlight special chars inside double-quoted strings
_zsh_highlight-string() {
setopt localoptions noksharrays
local i j k style
# Starting quote is at 1, so start parsing at offset 2 in the string.
for (( i = 2 ; i < end_pos - start_pos ; i += 1 )) ; do
(( j = i + start_pos - 1 ))
(( k = j + 1 ))
case "$arg[$i]" in
'$') style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[dollar-double-quoted-argument];;
"\\") style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[back-double-quoted-argument]
(( k += 1 )) # Color following char too.
(( i += 1 )) # Skip parsing the escaped char.
;;
*) continue;;
esac
region_highlight+=("$j $k $style")
done
}
# Recolorize the current ZLE buffer.
_zsh_highlight-zle-buffer() {
setopt localoptions extendedglob bareglobqual
local colorize=true
local start_pos=0
local end_pos arg style
region_highlight=()
for arg in ${(z)BUFFER}; do
local substr_color=0
((start_pos+=${#BUFFER[$start_pos+1,-1]}-${#${BUFFER[$start_pos+1,-1]##[[:space:]]#}}))
((end_pos=$start_pos+${#arg}))
if $colorize; then
colorize=false
res=$(LC_ALL=C builtin type -w $arg 2>/dev/null)
case $res in
*': reserved') style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[reserved-word];;
*': alias') style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[alias]
local aliased_command=${"$(alias $arg)"#*=}
[[ ${${ZSH_HIGHLIGHT_TOKENS_FOLLOWED_BY_COMMANDS[(r)$aliased_command]:-}:+yes} = 'yes' ]] && ZSH_HIGHLIGHT_TOKENS_FOLLOWED_BY_COMMANDS+=($arg)
;;
*': builtin') style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[builtin];;
*': function') style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[function];;
*': command') style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[command];;
*) _zsh_check-path && style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[path] || style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[unknown-token];;
esac
else
case $arg in
'--'*) style=$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 $style")
_zsh_highlight-string
substr_color=1
;;
'`'*'`') style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[back-quoted-argument];;
*"*"*) style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[globbing];;
*) _zsh_check-path && style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[path] || style=$ZSH_SYNTAX_HIGHLIGHTING_STYLES[default];;
esac
fi
[[ $substr_color = 0 ]] && region_highlight+=("$start_pos $end_pos $style")
[[ ${${ZSH_HIGHLIGHT_TOKENS_FOLLOWED_BY_COMMANDS[(r)${arg//|/\|}]:-}:+yes} = 'yes' ]] && colorize=true
start_pos=$end_pos
done
}
# Special treatment for completion/expansion events:
# For each *complete* function, we create a widget which mimics the original
# and use this orig-* version inside the new colorized zle function (the dot
# idiom used for all others doesn't work right for these functions for some
# reason). You can see the default setup using "zle -l -L".
# Bind ZLE events to highlighting function.
for f in $ZSH_HIGHLIGHT_ZLE_UPDATE_EVENTS; do
case $f in
*complete*)
eval "zle -C orig-$f .$f _main_complete ; $f() { builtin zle orig-$f && _zsh_highlight-zle-buffer } ; zle -N $f"
;;
*)
eval "$f() { builtin zle .$f && _zsh_highlight-zle-buffer } ; zle -N $f"
;;
esac
done