diff options
Diffstat (limited to '.config/shell/zsh-fast-syntax-highlighting/:chroma/-awk.ch')
| -rw-r--r-- | .config/shell/zsh-fast-syntax-highlighting/:chroma/-awk.ch | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/.config/shell/zsh-fast-syntax-highlighting/:chroma/-awk.ch b/.config/shell/zsh-fast-syntax-highlighting/:chroma/-awk.ch new file mode 100644 index 0000000..47b3ec7 --- /dev/null +++ b/.config/shell/zsh-fast-syntax-highlighting/:chroma/-awk.ch @@ -0,0 +1,108 @@ +# -*- mode: sh; sh-indentation: 4; indent-tabs-mode: nil; sh-basic-offset: 4; -*- +# Copyright (c) 2018 Sebastian Gniazdowski +# +# $1 - 0 or 1, denoting if it's first call to the chroma, or following one +# +# $2 - the current token, also accessible by $__arg from the above scope - +# basically a private copy of $__arg; the token can be eg.: "grep" +# +# $3 - a private copy of $_start_pos, i.e. the position of the token in the +# command line buffer, used to add region_highlight entry (see man), +# because Zsh colorizes by *ranges* in command line buffer +# +# $4 - a private copy of $_end_pos from the above scope +# + +(( next_word = 2 | 8192 )) + +local __first_call="$1" __wrd="$2" __start_pos="$3" __end_pos="$4" +local __style __chars __val __style2 +integer __idx1 __idx2 + +# First call, i.e. command starts, i.e. "grep" token etc. +(( __first_call )) && { + FAST_HIGHLIGHT[chroma-awk-counter]=0 + FAST_HIGHLIGHT[chroma-awk-f-seen]=0 + return 1 +} || { + # Following call, i.e. not the first one. + + if (( in_redirection > 0 || this_word & 128 )) || [[ $__wrd == "<<<" ]]; then + return 1 + fi + + # Check if chroma should end – test if token is of type + # "starts new command", if so pass-through – chroma ends + [[ "$__arg_type" = 3 ]] && return 2 + + if [[ "$__wrd" = -* ]]; then + # Detected option, add style for it. + [[ "$__wrd" = --* ]] && __style=${FAST_THEME_NAME}double-hyphen-option || \ + __style=${FAST_THEME_NAME}single-hyphen-option + [[ "$__wrd" = "-f" ]] && FAST_HIGHLIGHT[chroma-awk-f-seen]=1 + else + # Count non-option tokens. + (( FAST_HIGHLIGHT[chroma-awk-counter] += 1, __idx1 = FAST_HIGHLIGHT[chroma-awk-counter] )) + + # First non-option token is the pattern (regex), we will + # highlight it. + if (( FAST_HIGHLIGHT[chroma-awk-counter] == 1 && FAST_HIGHLIGHT[chroma-awk-f-seen] == 0 )); then + if print -r -- "${(Q)__wrd}" | gawk --source 'BEGIN { exit } END { exit 0 }' -f - >/dev/null 2>&1; then + __style2="${FAST_THEME_NAME}subtle-bg" + else + __style2="${FAST_THEME_NAME}incorrect-subtle" + fi + + (( __start=__start_pos-${#PREBUFFER}, __end=__end_pos-${#PREBUFFER}, __start >= 0 )) && \ + reply+=("$__start $__end ${FAST_HIGHLIGHT_STYLES[$__style2]}") + + # Highlight keywords + FSH_LIST=() + : "${__wrd//(#m)(BEGIN|END|FIELDWIDTHS|RS|ARGC|ARGV|ENVIRON|NF|NR|IGNORECASE|FILENAME|if|then|else|while|toupper|tolower|function|print|sub)/$(( fsh_sy_h_append($MBEGIN, $MEND) ))}"; + for __val in "${FSH_LIST[@]}" ; do + [[ ${__wrd[${__val%%;;*}]} = [a-zA-Z0-9_] || ${__wrd[${__val##*;;}+1]} = [a-zA-Z0-9_] ]] && continue + __idx1=$(( __start_pos + ${__val%%;;*} )) + __idx2=__idx1+${__val##*;;}-${__val%%;;*}+1 + (( __start=__idx1-${#PREBUFFER}, __end=__idx2-${#PREBUFFER}-1, __start >= 0 )) && \ + reply+=("$__start $__end ${FAST_HIGHLIGHT_STYLES[${FAST_THEME_NAME}reserved-word]},${FAST_HIGHLIGHT_STYLES[$__style2]}") + done + + # Highlight regex characters + __chars="*+\\)(\{\}[]^" + __idx1=__start_pos + __idx2=__start_pos + while [[ "$__wrd" = (#b)[^$__chars]#([\\][\\])#((+|\*|\[|\]|\)|\(|\^|\}|\{)|[\\](+|\*|\[|\]|\)|\(|\^|\{|\}))(*) ]]; do + if [[ -n "${match[3]}" ]]; then + __idx1+=${mbegin[3]}-1 + __idx2=__idx1+${mend[3]}-${mbegin[3]}+1 + (( __start=__idx1-${#PREBUFFER}, __end=__idx2-${#PREBUFFER}, __start >= 0 )) && \ + reply+=("$__start $__end ${FAST_HIGHLIGHT_STYLES[${FAST_THEME_NAME}mathnum]},${FAST_HIGHLIGHT_STYLES[$__style2]}") + __idx1=__idx2 + else + __idx1+=${mbegin[5]}-1 + fi + __wrd="${match[5]}" + done + elif (( FAST_HIGHLIGHT[chroma-awk-counter] >= 2 || FAST_HIGHLIGHT[chroma-awk-f-seen] == 1 )); then + FAST_HIGHLIGHT[chroma-awk-f-seen]=0 + # Handle paths, etc. normally - just pass-through to the big + # highlighter (the main FSH highlighter, used before chromas). + return 1 + fi + fi +} + +# Add region_highlight entry (via `reply' array). +# +# This is a common place of adding such entry, but any above +# code can do it itself (and it does) and skip setting __style +# to disable this code. +[[ -n "$__style" ]] && (( __start=__start_pos-${#PREBUFFER}, __end=__end_pos-${#PREBUFFER}, __start >= 0 )) && reply+=("$__start $__end ${FAST_HIGHLIGHT_STYLES[$__style]}") + +# We aren't passing-through (no return 1 occured), do obligatory things ourselves. +(( this_word = next_word )) +_start_pos=$_end_pos + +return 0 + +# vim:ft=zsh:et:sw=4 |