1 | use strict; |
---|
2 | use warnings; |
---|
3 | |
---|
4 | # Completers for client state |
---|
5 | |
---|
6 | package BarnOwl::Complete::Client; |
---|
7 | |
---|
8 | use BarnOwl::Completion::Util qw(complete_flags); |
---|
9 | |
---|
10 | my @all_colors = qw(default |
---|
11 | black |
---|
12 | blue |
---|
13 | cyan |
---|
14 | green |
---|
15 | magenta |
---|
16 | red |
---|
17 | white |
---|
18 | yellow); |
---|
19 | |
---|
20 | my %show = ( |
---|
21 | information => undef, |
---|
22 | colors => undef, |
---|
23 | commands => undef, |
---|
24 | command => \&complete_command, |
---|
25 | filters => undef, |
---|
26 | filter => \&complete_filter_name, |
---|
27 | license => undef, |
---|
28 | quickstart => undef, |
---|
29 | startup => undef, |
---|
30 | status => undef, |
---|
31 | styles => undef, |
---|
32 | subscriptions => undef, |
---|
33 | subs => undef, |
---|
34 | terminal => undef, |
---|
35 | variables => undef, |
---|
36 | variable => \&complete_variable, |
---|
37 | version => undef, |
---|
38 | view => undef, |
---|
39 | zpunts => undef, |
---|
40 | ); |
---|
41 | |
---|
42 | sub complete_command { return sort @BarnOwl::all_commands; } |
---|
43 | sub complete_color { return @all_colors; } |
---|
44 | sub complete_filter_name { return @{BarnOwl::all_filters()}; } |
---|
45 | sub complete_variable { return @{BarnOwl::all_variables()}; } |
---|
46 | sub complete_style { return @{BarnOwl::all_styles()}; } |
---|
47 | |
---|
48 | my %filter_cmds = ( |
---|
49 | sender => \&BarnOwl::Complete::Zephyr::complete_user, |
---|
50 | recipient => \&BarnOwl::Complete::Zephyr::complete_user, |
---|
51 | class => \&BarnOwl::Complete::Zephyr::complete_class, |
---|
52 | instance => \&BarnOwl::Complete::Zephyr::complete_instance, |
---|
53 | opcode => \&BarnOwl::Complete::Zephyr::complete_opcode, |
---|
54 | realm => \&BarnOwl::Complete::Zephyr::complete_realm, |
---|
55 | body => undef, |
---|
56 | hostname => undef, |
---|
57 | type => sub { qw(zephyr aim admin); }, |
---|
58 | direction => sub { qw(in out none); }, |
---|
59 | login => sub { qw(login logout none); }, |
---|
60 | filter => \&complete_filter_name, |
---|
61 | perl => undef, |
---|
62 | ); |
---|
63 | |
---|
64 | # Returns: |
---|
65 | # - where to look next after pulling out an expression |
---|
66 | # - $INCOMPLETE if this cannot form a complete expression (or w/e) |
---|
67 | # - pushes to completion list as it finds valid completions |
---|
68 | |
---|
69 | my $INCOMPLETE = -1; |
---|
70 | sub _complete_filter_expr { |
---|
71 | # Takes as arguments context and the index into $ctx->words where the |
---|
72 | # filter expression starts |
---|
73 | my $ctx = shift; |
---|
74 | my $start = shift; |
---|
75 | my $o_comp = shift; |
---|
76 | my $end = $ctx->word; |
---|
77 | |
---|
78 | # Grab an expression; we don't allow empty |
---|
79 | my $i = $start; |
---|
80 | $i = _complete_filter_primitive_expr($ctx, $start, $o_comp); |
---|
81 | return $INCOMPLETE if $start == $INCOMPLETE; |
---|
82 | |
---|
83 | while ($i <= $end) { |
---|
84 | if ($i == $end) { |
---|
85 | # We could and/or another clause |
---|
86 | push @$o_comp, qw(and or); |
---|
87 | return $end; # Or we could let the parent do his thing |
---|
88 | } |
---|
89 | |
---|
90 | if ($ctx->words->[$i] ne 'and' && $ctx->words->[$i] ne 'or') { |
---|
91 | return $i; # We're done. Let the parent do his thing |
---|
92 | } |
---|
93 | |
---|
94 | # Eat the and/or |
---|
95 | $i++; |
---|
96 | |
---|
97 | # Grab an expression |
---|
98 | $i = _complete_filter_primitive_expr($ctx, $i, $o_comp); |
---|
99 | return $INCOMPLETE if $i == $INCOMPLETE; |
---|
100 | } |
---|
101 | |
---|
102 | return $i; # Well, it looks like we're happy |
---|
103 | # (Actually, I'm pretty sure this never happens...) |
---|
104 | } |
---|
105 | |
---|
106 | sub _complete_filter_primitive_expr { |
---|
107 | my $ctx = shift; |
---|
108 | my $start = shift; |
---|
109 | my $o_comp = shift; |
---|
110 | my $end = $ctx->word; |
---|
111 | |
---|
112 | if ($start >= $end) { |
---|
113 | push @$o_comp, "("; |
---|
114 | push @$o_comp, qw(true false not); |
---|
115 | push @$o_comp, keys %filter_cmds; |
---|
116 | return $INCOMPLETE; |
---|
117 | } |
---|
118 | |
---|
119 | my $word = $ctx->words->[$start]; |
---|
120 | if ($word eq "(") { |
---|
121 | $start = _complete_filter_expr($ctx, $start+1, $o_comp); |
---|
122 | return $INCOMPLETE if $start == $INCOMPLETE; |
---|
123 | |
---|
124 | # Now, we expect a ")" |
---|
125 | if ($start >= $end) { |
---|
126 | push @$o_comp, ")"; |
---|
127 | return $INCOMPLETE; |
---|
128 | } |
---|
129 | if ($ctx->words->[$start] ne ')') { |
---|
130 | # User is being confusing. Give up. |
---|
131 | return $INCOMPLETE; |
---|
132 | } |
---|
133 | return $start+1; # Eat the ) |
---|
134 | } elsif ($word eq "not") { |
---|
135 | # We just want another primitive expression |
---|
136 | return _complete_filter_primitive_expr($ctx, $start+1, $o_comp); |
---|
137 | } elsif ($word eq "true" || $word eq "false") { |
---|
138 | # No arguments |
---|
139 | return $start+1; # Eat the boolean. Mmmm, tasty. |
---|
140 | } else { |
---|
141 | # It's of the form 'CMD ARG' |
---|
142 | return $start+2 if ($start+1 < $end); # The user supplied the argument |
---|
143 | |
---|
144 | # complete the argument |
---|
145 | my $arg_func = $filter_cmds{$word}; |
---|
146 | push @$o_comp, ($arg_func ? ($arg_func->()) : ()); |
---|
147 | return $INCOMPLETE; |
---|
148 | } |
---|
149 | } |
---|
150 | |
---|
151 | sub complete_filter_expr { |
---|
152 | my $ctx = shift; |
---|
153 | my $start = shift; |
---|
154 | my @completions = (); |
---|
155 | _complete_filter_expr($ctx, $start, \@completions); |
---|
156 | # Get rid of duplicates and sort |
---|
157 | my %hash = (); |
---|
158 | @hash{@completions} = (); |
---|
159 | @completions = sort keys %hash; |
---|
160 | return @completions; |
---|
161 | } |
---|
162 | |
---|
163 | sub complete_filter_args { |
---|
164 | my $ctx = shift; |
---|
165 | my $arg = shift; |
---|
166 | return complete_filter_name() unless $arg; |
---|
167 | my $idx = 2; # skip the filter name |
---|
168 | while ($idx < $ctx->word) { |
---|
169 | last unless ($ctx->words->[$idx] =~ m{^-}); |
---|
170 | $idx += 2; # skip the flag and the argument |
---|
171 | } |
---|
172 | return complete_filter_expr($ctx, $idx); |
---|
173 | } |
---|
174 | |
---|
175 | sub complete_help { |
---|
176 | my $ctx = shift; |
---|
177 | if($ctx->word == 1) { |
---|
178 | return complete_command(); |
---|
179 | } |
---|
180 | } |
---|
181 | |
---|
182 | sub complete_show { |
---|
183 | my $ctx = shift; |
---|
184 | if($ctx->word == 1) { |
---|
185 | return keys %show; |
---|
186 | } elsif ($ctx->word == 2) { |
---|
187 | my $cmd = $show{$ctx->words->[1]}; |
---|
188 | if($cmd) { |
---|
189 | return $cmd->($ctx); |
---|
190 | } |
---|
191 | } |
---|
192 | } |
---|
193 | |
---|
194 | sub complete_filter { |
---|
195 | my $ctx = shift; |
---|
196 | return complete_flags($ctx, |
---|
197 | [qw()], |
---|
198 | { |
---|
199 | "-c" => \&complete_color, |
---|
200 | "-b" => \&complete_color, |
---|
201 | }, |
---|
202 | \&complete_filter_args |
---|
203 | ); |
---|
204 | } |
---|
205 | |
---|
206 | sub complete_view { |
---|
207 | my $ctx = shift; |
---|
208 | if ($ctx->word == 1) { |
---|
209 | return ("--home", "-d", "-r", "-s", complete_filter_name()); |
---|
210 | } |
---|
211 | if ($ctx->words->[1] eq "--home") { |
---|
212 | return; |
---|
213 | } |
---|
214 | if ($ctx->words->[1] eq "-d") { |
---|
215 | return complete_filter_expr($ctx, 2); |
---|
216 | } |
---|
217 | if ($ctx->words->[1] eq "-s") { |
---|
218 | return complete_style(); |
---|
219 | } |
---|
220 | return; |
---|
221 | } |
---|
222 | |
---|
223 | sub complete_getvar { |
---|
224 | my $ctx = shift; |
---|
225 | return unless ($ctx->word == 1); |
---|
226 | return complete_variable(); |
---|
227 | } |
---|
228 | |
---|
229 | sub complete_set { |
---|
230 | my $ctx = shift; |
---|
231 | return complete_flags($ctx, |
---|
232 | [qw(-q)], |
---|
233 | { |
---|
234 | }, |
---|
235 | \&complete_set_args |
---|
236 | ); |
---|
237 | } |
---|
238 | sub complete_set_args { |
---|
239 | my $ctx = shift; |
---|
240 | my $arg = shift; |
---|
241 | return if $arg; |
---|
242 | return complete_variable(); |
---|
243 | } |
---|
244 | |
---|
245 | sub complete_startup { |
---|
246 | my $ctx = shift; |
---|
247 | my $new_ctx = $ctx->shift_words(1); |
---|
248 | return BarnOwl::Completion::get_completions($new_ctx); |
---|
249 | } |
---|
250 | |
---|
251 | BarnOwl::Completion::register_completer(help => \&complete_help); |
---|
252 | BarnOwl::Completion::register_completer(filter => \&complete_filter); |
---|
253 | BarnOwl::Completion::register_completer(view => \&complete_view); |
---|
254 | BarnOwl::Completion::register_completer(show => \&complete_show); |
---|
255 | BarnOwl::Completion::register_completer(getvar => \&complete_getvar); |
---|
256 | BarnOwl::Completion::register_completer(set => \&complete_set); |
---|
257 | BarnOwl::Completion::register_completer(unset => \&complete_set); |
---|
258 | BarnOwl::Completion::register_completer(startup => \&complete_startup); |
---|
259 | |
---|
260 | 1; |
---|