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Better syntax highlighting.
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Steve Losh
parent
5aa37062a5
commit
ef5e8b18f5
1 changed files with 85 additions and 29 deletions
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@ -1,53 +1,109 @@
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#!/usr/bin/env zsh
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# ------------------------------------------------------------------------------
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# Fish style live command coloring.
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# From: http://www.zsh.org/mla/users/2010/msg00692.html
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# ------------------------------------------------------------------------------
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# Required options.
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setopt extendedglob
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# Copyleft 2010 zsh-syntax-highlighting contributors
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# http://github.com/nicoulaj/zsh-syntax-highlighting
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# All wrongs reserved.
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# Token types styles.
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# See http://zsh.sourceforge.net/Doc/Release/Zsh-Line-Editor.html#SEC135
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ZLE_RESERVED_WORD_STYLE='bold'
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ZLE_ALIAS_STYLE='bold'
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ZLE_BUILTIN_STYLE='bold'
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ZLE_FUNCTION_STYLE='bold'
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ZLE_COMMAND_STYLE='bold'
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ZLE_RESERVED_WORD_STYLE='fg=yellow,bold'
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ZLE_ALIAS_STYLE='fg=green,bold'
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ZLE_BUILTIN_STYLE='fg=green,bold'
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ZLE_FUNCTION_STYLE='fg=green,bold'
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ZLE_COMMAND_STYLE='fg=green,bold'
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ZLE_PATH_STYLE='fg=white,underline'
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ZLE_COMMAND_UNKNOWN_TOKEN_STYLE='fg=red,bold'
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ZLE_TOKENS_FOLLOWED_BY_COMMANDS=('|' '||' ';' '&' '&&' 'sudo' 'start' 'time' 'strace')
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ZLE_HYPHEN_CLI_OPTION='fg=yellow,bold'
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ZLE_DOUBLE_HYPHEN_CLI_OPTION='fg=green,bold'
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ZLE_SINGLE_QUOTED='fg=magenta,bold'
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ZLE_DOUBLE_QUOTED='fg=red,bold'
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ZLE_BACK_QUOTED='fg=cyan,bold'
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ZLE_GLOBING='fg=blue,bold'
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ZLE_DEFAULT='fg=white,normal'
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ZLE_TOKENS_FOLLOWED_BY_COMMANDS=('|' '||' ';' '&' '&&' 'sudo' 'start' 'time' 'strace' 'noglob' 'command' 'builtin')
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_check_path() {
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[[ -z $arg ]] && return 1
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[[ -e $arg ]] && return 0
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[[ ! -e ${arg:h} ]] && return 1
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[[ ${#BUFFER} == $end_pos && -n $(print $arg*(N)) ]] && return 0
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return 1
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}
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# Recolorize the current ZLE buffer.
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colorize-zle-buffer() {
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setopt localoptions extendedglob
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region_highlight=()
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colorize=true
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start_pos=0
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for arg in ${(z)BUFFER}; do
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((start_pos+=${#BUFFER[$start_pos+1,-1]}-${#${BUFFER[$start_pos+1,-1]## #}}))
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((start_pos+=${#BUFFER[$start_pos+1,-1]}-${#${BUFFER[$start_pos+1,-1]##[[:space:]]#}}))
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((end_pos=$start_pos+${#arg}))
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if $colorize; then
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colorize=false
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res=$(LC_ALL=C builtin type $arg 2>/dev/null)
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res=$(LC_ALL=C builtin type -w $arg 2>/dev/null)
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case $res in
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*'reserved word'*) style=$ZLE_RESERVED_WORD_STYLE;;
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*'an alias'*) style=$ZLE_ALIAS_STYLE;;
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*'shell builtin'*) style=$ZLE_BUILTIN_STYLE;;
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*'shell function'*) style=$ZLE_FUNCTION_STYLE;;
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*"$cmd is"*) style=$ZLE_COMMAND_STYLE;;
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*) style=$ZLE_COMMAND_UNKNOWN_TOKEN_STYLE;;
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*': reserved') style=$ZLE_RESERVED_WORD_STYLE;;
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*': alias') style=$ZLE_ALIAS_STYLE;;
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*': builtin') style=$ZLE_BUILTIN_STYLE;;
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*': function') style=$ZLE_FUNCTION_STYLE;;
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*': command') style=$ZLE_COMMAND_STYLE;;
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*)
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if _check_path; then
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style=$ZLE_PATH_STYLE
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else
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style=$ZLE_COMMAND_UNKNOWN_TOKEN_STYLE
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fi
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;;
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esac
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region_highlight+=("$start_pos $end_pos $style")
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else
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case $arg in
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'--'*) style=$ZLE_DOUBLE_HYPHEN_CLI_OPTION;;
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'-'*) style=$ZLE_HYPHEN_CLI_OPTION;;
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"'"*"'") style=$ZLE_SINGLE_QUOTED;;
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'"'*'"') style=$ZLE_DOUBLE_QUOTED;;
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'`'*'`') style=$ZLE_BACK_QUOTED;;
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*"*"*) style=$ZLE_GLOBING;;
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*)
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style=$ZLE_DEFAULT
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_check_path && style=$ZLE_PATH_STYLE
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;;
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esac
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fi
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[[ ${${ZLE_TOKENS_FOLLOWED_BY_COMMANDS[(r)${arg//|/\|}]}:+yes} = 'yes' ]] && colorize=true
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region_highlight+=("$start_pos $end_pos $style")
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[[ ${${ZLE_TOKENS_FOLLOWED_BY_COMMANDS[(r)${arg//|/\|}]:-}:+yes} = 'yes' ]] && colorize=true
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start_pos=$end_pos
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done
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}
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# Bind the function to ZLE events.
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colorize-hook-self-insert() { builtin zle .self-insert && colorize-zle-buffer }
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colorize-hook-backward-delete-char() { builtin zle .backward-delete-char && colorize-zle-buffer }
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colorize-hook-vi-backward-delete-char() { builtin zle .vi-backward-delete-char && colorize-zle-buffer }
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ZLE_COLORED_FUNCTIONS=(
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self-insert
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delete-char
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backward-delete-char
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kill-word
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backward-kill-word
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up-line-or-history
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down-line-or-history
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beginning-of-history
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end-of-history
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undo
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redo
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yank
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)
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for f in $ZLE_COLORED_FUNCTIONS; do
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eval "$f() { zle .$f && colorize-zle-buffer } ; zle -N $f"
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done
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# Expand or complete hack
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# create an expansion widget which mimics the original "expand-or-complete" (you can see the default setup using "zle -l -L")
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zle -C orig-expand-or-complete .expand-or-complete _main_complete
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# use the orig-expand-or-complete inside the colorize function (for some reason, using the ".expand-or-complete" widget doesn't work the same)
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expand-or-complete() { builtin zle orig-expand-or-complete && colorize-zle-buffer }
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zle -N expand-or-complete
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zle -N self-insert colorize-hook-self-insert
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zle -N backward-delete-char colorize-hook-backward-delete-char
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zle -N vi-backward-delete-char colorize-hook-vi-backward-delete-char
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