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Added copyright boilerplate and fixed indentation

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This commit is contained in:
Joe Rabinoff 2020-02-04 10:25:34 -05:00
parent 22362e02f7
commit c432451c20
2 changed files with 212 additions and 164 deletions
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28
docs/highlighters/files.md
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@ -17,10 +17,11 @@ zsh_highlight_files_extract_ls_colors
### Configuration
Files are colored according to the associative arrays `ZSH_HIGHLIGHT_FILE_TYPES`
and `ZSH_HIGHLIGHT_FILE_PATTERNS`. The values of `ZSH_HIGHLIGHT_FILE_TYPES` are
color specifications as in `ZSH_HIGHLIGHT_STYLES`, and the keys define which
file types are highlighted according to that style (following `LS_COLORS`):
Files are colored according to the associative array `ZSH_HIGHLIGHT_FILE_TYPES`
and the array `ZSH_HIGHLIGHT_FILE_PATTERNS`. The values of
`ZSH_HIGHLIGHT_FILE_TYPES` are color specifications as in
`ZSH_HIGHLIGHT_STYLES`, and the keys define which file types are highlighted
according to that style (following `LS_COLORS`):
* `fi` - ordinary files
* `di` - directories
@ -38,12 +39,23 @@ file types are highlighted according to that style (following `LS_COLORS`):
* `lp` - if set, the path-component of a filename is highlighted using this style
If a file would be highlighted `fi`, then it can be highlighted according to the
filename using `ZSH_HIGHLIGHT_FILE_PATTERNS` instead. The keys of this
associative array are arbitrary glob patterns; the values are color
specifications. For instance, if have `setopt extended_glob` and you write
filename using `ZSH_HIGHLIGHT_FILE_PATTERNS` instead. This array has the form
`(glob1 style1 glob2 style2 glob3 style3 ...)`, where the globs are arbitrary
glob patterns, and the styles are color specifications. For instance, if have
`setopt extended_glob` and you write
```zsh
ZSH_HIGHLIGHT_FILE_PATTERNS[(#i)*.jpe#g]=red,bold
ZSH_HIGHLIGHT_FILE_PATTERNS+=('(#i)*.jpe#g' red,bold)
```
then the files `foo.jpg` and `bar.jPeG` will be colored red and bold.
### Limitations
This highlighter makes no attempt to determine if a word is in command position.
Hence if you run the command `cat foo` and you happen to have a directory named
`cat` in the current directory, then the highlighter will highlight `cat`
according to `ZSH_HIGHLIGHT_FILE_TYPES[di]` and not
`ZSH_HIGHLIGHT_STYLES[command]` (assuming you load the `files` highlighter after
the `main` one). Likewise with aliases, reserved words, etc.

52
highlighters/files/files-highlighter.zsh
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@ -1,9 +1,40 @@
# -*- mode: zsh; sh-indentation: 2; indent-tabs-mode: nil; sh-basic-offset: 2; -*-
# -------------------------------------------------------------------------------------------------
# Copyright (c) 2020 zsh-syntax-highlighting contributors
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification, are permitted
# provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this list of conditions
# and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice, this list of
# conditions and the following disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of the zsh-syntax-highlighting contributors nor the names of its contributors
# may be used to endorse or promote products derived from this software without specific prior
# written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
# FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
# IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# -------------------------------------------------------------------------------------------------
# vim: ft=zsh sw=2 ts=2 et
# -------------------------------------------------------------------------------------------------
# Highlighter for zsh-syntax-highlighting that highlights filenames
typeset -gA ZSH_HIGHLIGHT_FILE_TYPES ZSH_HIGHLIGHT_FILE_PATTERNS
typeset -gA ZSH_HIGHLIGHT_FILE_TYPES
typeset -ga ZSH_HIGHLIGHT_FILE_PATTERNS
# Convert an ANSI escape sequence color into zle_highlight format (man 1 zshzle)
_zsh_highlight_highlighter_files_ansi_to_zle() {
_zsh_highlight_highlighter_files_ansi_to_zle()
{
local match mbegin mend seq
local var=$1; shift
for seq in "${(@s.:.)1}"; do
@ -13,7 +44,8 @@ _zsh_highlight_highlighter_files_ansi_to_zle() {
done
}
_zsh_highlight_highlighter_files_ansi_to_zle1() {
_zsh_highlight_highlighter_files_ansi_to_zle1()
{
emulate -L zsh
setopt local_options extended_glob
@ -71,21 +103,23 @@ _zsh_highlight_highlighter_files_ansi_to_zle1() {
}
# Extract ZSH_HIGHLIGHT_FILE_TYPES and ZSH_HIGHLIGHT_FILE_PATTERNS from LS_COLORS
zsh_highlight_files_extract_ls_colors() {
zsh_highlight_files_extract_ls_colors()
{
local -A ls_colors
_zsh_highlight_highlighter_files_ansi_to_zle ls_colors $LS_COLORS
for key val in ${(kv)ls_colors}; do
case $key in
di|fi|ln|pi|so|bd|cd|or|ex|su|sg|ow|tw)
ZSH_HIGHLIGHT_FILE_TYPES[$key]=$val ;;
*) ZSH_HIGHLIGHT_FILE_PATTERNS[$key]=$val ;;
*) ZSH_HIGHLIGHT_FILE_PATTERNS+=($key $val) ;;
esac
done
}
# Perform simple filename expansion without globbing and without generating
# errors
_zsh_highlight_highlighter_files_fn_expand() {
_zsh_highlight_highlighter_files_fn_expand()
{
local fn=$1
local match expandable tail
local -a mbegin mend
@ -101,12 +135,14 @@ _zsh_highlight_highlighter_files_fn_expand() {
}
# Whether the highlighter should be called or not.
_zsh_highlight_highlighter_files_predicate() {
_zsh_highlight_highlighter_files_predicate()
{
_zsh_highlight_buffer_modified
}
# Syntax highlighting function.
_zsh_highlight_highlighter_files_paint() {
_zsh_highlight_highlighter_files_paint()
{
emulate -L zsh
setopt localoptions extended_glob