1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
#!/usr/bin/env perl
#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.haxx.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
###########################################################################
use strict;
use warnings;
use Getopt::Long();
use Pod::Usage();
my $curl = 'curl';
my $shell = 'zsh';
my $help = 0;
Getopt::Long::GetOptions(
'curl=s' => \$curl,
'shell=s' => \$shell,
'help' => \$help,
) or Pod::Usage::pod2usage();
Pod::Usage::pod2usage() if $help;
my $regex = '\s+(?:(-[^\s]+),\s)?(--[^\s]+)\s*(\<.+?\>)?\s+(.*)';
my @opts = parse_main_opts('--help', $regex);
if ($shell eq 'fish') {
print "# curl fish completion\n\n";
print qq{$_ \n} foreach (@opts);
} elsif ($shell eq 'zsh') {
my $opts_str;
$opts_str .= qq{ $_ \\\n} foreach (@opts);
chomp $opts_str;
my $tmpl = <<"EOS";
#compdef curl
# curl zsh completion
local curcontext="\$curcontext" state state_descr line
typeset -A opt_args
local rc=1
_arguments -C -S \\
$opts_str
'*:URL:_urls' && rc=0
return rc
EOS
print $tmpl;
} else {
die("Unsupported shell: $shell");
}
sub parse_main_opts {
my ($cmd, $regex) = @_;
my @list;
my @lines = call_curl($cmd);
foreach my $line (@lines) {
my ($short, $long, $arg, $desc) = ($line =~ /^$regex/) or next;
my $option = '';
$arg =~ s/\:/\\\:/g if defined $arg;
$desc =~ s/'/'\\''/g if defined $desc;
$desc =~ s/\[/\\\[/g if defined $desc;
$desc =~ s/\]/\\\]/g if defined $desc;
$desc =~ s/\:/\\\:/g if defined $desc;
if ($shell eq 'fish') {
$option .= "complete --command curl";
$option .= " --short-option '" . strip_dash(trim($short)) . "'"
if defined $short;
$option .= " --long-option '" . strip_dash(trim($long)) . "'"
if defined $long;
$option .= " --description '" . strip_dash(trim($desc)) . "'"
if defined $desc;
} elsif ($shell eq 'zsh') {
$option .= '{' . trim($short) . ',' if defined $short;
$option .= trim($long) if defined $long;
$option .= '}' if defined $short;
$option .= '\'[' . trim($desc) . ']\'' if defined $desc;
$option .= ":'$arg'" if defined $arg;
$option .= ':_files'
if defined $arg and ($arg eq '<file>' || $arg eq '<filename>'
|| $arg eq '<dir>');
}
push @list, $option;
}
# Sort longest first, because zsh won't complete an option listed
# after one that's a prefix of it.
@list = sort {
$a =~ /([^=]*)/; my $ma = $1;
$b =~ /([^=]*)/; my $mb = $1;
length($mb) <=> length($ma)
} @list if $shell eq 'zsh';
return @list;
}
sub trim { my $s = shift; $s =~ s/^\s+|\s+$//g; return $s };
sub strip_dash { my $s = shift; $s =~ s/^-+//g; return $s };
sub call_curl {
my ($cmd) = @_;
my $output = `"$curl" $cmd`;
if ($? == -1) {
die "Could not run curl: $!";
} elsif ((my $exit_code = $? >> 8) != 0) {
die "curl returned $exit_code with output:\n$output";
}
return split /\n/, $output;
}
__END__
=head1 NAME
completion.pl - Generates tab-completion files for various shells
=head1 SYNOPSIS
completion.pl [options...]
--curl path to curl executable
--shell zsh/fish
--help prints this help
=cut
|
