zsh completion for [jvgrep](https://github.com/mattn/jvgrep)

_jvgrep

#compdef jvgrep
_jvgrep() {
	_arguments \
		'--help[show help]' \
		'-F[PATTERN is a set of newline-separated fixed strings]' \
		'-G[PATTERN is a basic regular expression (BRE)]' \
		'-P[PATTERN is a Perl regular expression (ERE)]' \
		'-S[verbose messages]' \
		'-V[print version information and exit]' \
		'-8[show result as utf8 text]' \
		'-R[search files recursively]' \
		'--enc[encodings: comma separated]:encodings:->encodings' \
		'--exclude+[exclude files: specify as regexp]:regular expression:' \
		'--no-color[do not print colors]' \
		'--color+[print colors]:WHEN:->colors' \
		'-c[count matches]' \
		'-r[print relative path]' \
		'-f+[obtain pattern file]:[files]:_files' \
		'-i[ignore case]' \
		'-I[ignore binary files]' \
		'-l[print only names of FILEs containing matches]' \
		'-n[print line number with output lines]' \
		'-o[show only the part of a line matching PATTERN]' \
		'-v[select non-matching lines]' \
		'-z[a data line ends in 0 byte, not newline]' \
		'-Z[print 0 byte after FILE name]' \
		'--findasync[find asynchronously]' \
		'-B[print NUM lines of leading context]' \
		'-A[print NUM lines of trailing context]' \
		'*: :_files'

	case $state in
		colors)
			_values \
				'WHEN' \
				'always' \
				'never' \
				'auto'
			;;
		encodings)
			_values \
				'ENCODING' \
				'iso-2022-jp' \
				'euc-jp' \
				'utf-8' \
				'sjis' \
				'utf-16le' \
				'utf-16be'
			;;
	esac
}