regexp-highlighter.zsh (2873B)
1 # ------------------------------------------------------------------------------------------------- 2 # Copyright (c) 2010-2016 zsh-syntax-highlighting contributors 3 # All rights reserved. 4 # 5 # Redistribution and use in source and binary forms, with or without modification, are permitted 6 # provided that the following conditions are met: 7 # 8 # * Redistributions of source code must retain the above copyright notice, this list of conditions 9 # and the following disclaimer. 10 # * Redistributions in binary form must reproduce the above copyright notice, this list of 11 # conditions and the following disclaimer in the documentation and/or other materials provided 12 # with the distribution. 13 # * Neither the name of the zsh-syntax-highlighting contributors nor the names of its contributors 14 # may be used to endorse or promote products derived from this software without specific prior 15 # written permission. 16 # 17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR 18 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 19 # FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 20 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 23 # IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 24 # OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 # ------------------------------------------------------------------------------------------------- 26 # -*- mode: zsh; sh-indentation: 2; indent-tabs-mode: nil; sh-basic-offset: 2; -*- 27 # vim: ft=zsh sw=2 ts=2 et 28 # ------------------------------------------------------------------------------------------------- 29 30 31 # List of keyword and color pairs. 32 typeset -gA ZSH_HIGHLIGHT_REGEXP 33 34 # Whether the pattern highlighter should be called or not. 35 _zsh_highlight_highlighter_regexp_predicate() 36 { 37 _zsh_highlight_buffer_modified 38 } 39 40 # Pattern syntax highlighting function. 41 _zsh_highlight_highlighter_regexp_paint() 42 { 43 setopt localoptions extendedglob 44 local pattern 45 for pattern in ${(k)ZSH_HIGHLIGHT_REGEXP}; do 46 _zsh_highlight_regexp_highlighter_loop "$BUFFER" "$pattern" 47 done 48 } 49 50 _zsh_highlight_regexp_highlighter_loop() 51 { 52 local buf="$1" pat="$2" 53 integer OFFSET=0 54 local MATCH; integer MBEGIN MEND 55 local -a match mbegin mend 56 while true; do 57 [[ "$buf" =~ "$pat" ]] || return; 58 region_highlight+=("$((MBEGIN - 1 + OFFSET)) $((MEND + OFFSET)) $ZSH_HIGHLIGHT_REGEXP[$pat], memo=zsh-syntax-highlighting") 59 buf="$buf[$(($MEND+1)),-1]" 60 OFFSET=$((MEND+OFFSET)); 61 done 62 }