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Commit | Line | Data |
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f53ad23a DM |
1 | package PVE::CLIFormatter; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
4ac85000 DM |
5 | use I18N::Langinfo; |
6 | ||
84142f1d | 7 | use PVE::JSONSchema; |
4ac85000 | 8 | use PVE::PTY; |
f53ad23a | 9 | use JSON; |
eb1c51c2 DM |
10 | use utf8; |
11 | use Encode; | |
f53ad23a | 12 | |
4ac85000 DM |
13 | sub query_terminal_options { |
14 | my ($options) = @_; | |
15 | ||
16 | $options //= {}; | |
17 | ||
18 | if (-t STDOUT) { | |
19 | ($options->{columns}) = PVE::PTY::tcgetsize(*STDOUT); | |
20 | } | |
21 | ||
22 | $options->{encoding} = I18N::Langinfo::langinfo(I18N::Langinfo::CODESET()); | |
23 | ||
24 | $options->{utf8} = 1 if $options->{encoding} eq 'UTF-8'; | |
25 | ||
26 | return $options; | |
27 | } | |
28 | ||
cde31da0 | 29 | sub println_max { |
43b104c4 | 30 | my ($text, $encoding, $max) = @_; |
cde31da0 DM |
31 | |
32 | if ($max) { | |
33 | my @lines = split(/\n/, $text); | |
34 | foreach my $line (@lines) { | |
43b104c4 | 35 | print encode($encoding, substr($line, 0, $max) . "\n"); |
cde31da0 DM |
36 | } |
37 | } else { | |
43b104c4 | 38 | print encode($encoding, $text); |
cde31da0 DM |
39 | } |
40 | } | |
41 | ||
f53ad23a | 42 | sub data_to_text { |
84142f1d | 43 | my ($data, $propdef) = @_; |
f53ad23a | 44 | |
84142f1d DM |
45 | if (defined($propdef)) { |
46 | if (my $type = $propdef->{type}) { | |
47 | if ($type eq 'boolean') { | |
48 | return $data ? 1 : 0; | |
49 | } | |
50 | } | |
51 | if (!defined($data) && defined($propdef->{default})) { | |
52 | return "($propdef->{default})"; | |
53 | } | |
54 | if (defined(my $renderer = $propdef->{renderer})) { | |
55 | my $code = PVE::JSONSchema::get_renderer($renderer); | |
56 | die "internal error: unknown renderer '$renderer'" if !$code; | |
57 | return $code->($data); | |
58 | } | |
59 | } | |
f53ad23a DM |
60 | return '' if !defined($data); |
61 | ||
62 | if (my $class = ref($data)) { | |
84142f1d | 63 | return to_json($data, { canonical => 1 }); |
f53ad23a DM |
64 | } else { |
65 | return "$data"; | |
66 | } | |
67 | } | |
68 | ||
69 | # prints a formatted table with a title row. | |
70 | # $data - the data to print (array of objects) | |
71 | # $returnprops -json schema property description | |
72 | # $props_to_print - ordered list of properties to print | |
0c22b00c DM |
73 | # $options |
74 | # - sort_key: can be used to sort after a column, if it isn't set we sort | |
f53ad23a | 75 | # after the leftmost column (with no undef value in $data) this can be |
0c22b00c DM |
76 | # turned off by passing 0 as sort_key |
77 | # - border: print with/without table header and asciiart border | |
78 | # - columns: limit output width (if > 0) | |
79 | # - utf8: use utf8 characters for table delimiters | |
80 | ||
f53ad23a | 81 | sub print_text_table { |
0c22b00c DM |
82 | my ($data, $returnprops, $props_to_print, $options) = @_; |
83 | ||
84 | my $sort_key = $options->{sort_key}; | |
85 | my $border = $options->{border}; | |
86 | my $columns = $options->{columns}; | |
87 | my $utf8 = $options->{utf8}; | |
43b104c4 | 88 | my $encoding = $options->{encoding} // 'UTF-8'; |
f53ad23a DM |
89 | |
90 | my $autosort = 1; | |
91 | if (defined($sort_key) && $sort_key eq 0) { | |
92 | $autosort = 0; | |
93 | $sort_key = undef; | |
94 | } | |
95 | ||
96 | my $colopts = {}; | |
793ad69b | 97 | |
eb1c51c2 DM |
98 | my $borderstring_m = ''; |
99 | my $borderstring_b = ''; | |
100 | my $borderstring_t = ''; | |
f53ad23a DM |
101 | my $formatstring = ''; |
102 | ||
103 | my $column_count = scalar(@$props_to_print); | |
104 | ||
105 | for (my $i = 0; $i < $column_count; $i++) { | |
106 | my $prop = $props_to_print->[$i]; | |
107 | my $propinfo = $returnprops->{$prop} // {}; | |
108 | ||
109 | my $title = $propinfo->{title} // $prop; | |
110 | my $cutoff = $propinfo->{print_width} // $propinfo->{maxLength}; | |
111 | ||
112 | # calculate maximal print width and cutoff | |
113 | my $titlelen = length($title); | |
114 | ||
115 | my $longest = $titlelen; | |
116 | my $sortable = $autosort; | |
117 | foreach my $entry (@$data) { | |
84142f1d | 118 | my $len = length(data_to_text($entry->{$prop}, $propinfo)) // 0; |
f53ad23a DM |
119 | $longest = $len if $len > $longest; |
120 | $sortable = 0 if !defined($entry->{$prop}); | |
121 | } | |
122 | $cutoff = $longest if !defined($cutoff) || $cutoff > $longest; | |
123 | $sort_key //= $prop if $sortable; | |
124 | ||
125 | $colopts->{$prop} = { | |
126 | title => $title, | |
127 | default => $propinfo->{default} // '', | |
128 | cutoff => $cutoff, | |
129 | }; | |
130 | ||
793ad69b | 131 | if ($border) { |
eb1c51c2 DM |
132 | if ($i == 0 && ($column_count == 1)) { |
133 | if ($utf8) { | |
134 | $formatstring .= "│ %-${cutoff}s │\n"; | |
135 | $borderstring_t .= "┌─" . ('─' x $cutoff) . "─┐\n"; | |
136 | $borderstring_m .= "├─" . ('─' x $cutoff) . "─┤\n"; | |
137 | $borderstring_b .= "└─" . ('─' x $cutoff) . "─┘\n"; | |
138 | } else { | |
139 | $formatstring .= "| %-${cutoff}s |\n"; | |
140 | $borderstring_m .= "+-" . ('-' x $cutoff) . "-+\n"; | |
141 | } | |
142 | } elsif ($i == 0) { | |
143 | if ($utf8) { | |
144 | $formatstring .= "│ %-${cutoff}s "; | |
145 | $borderstring_t .= "┌─" . ('─' x $cutoff) . '─'; | |
146 | $borderstring_m .= "├─" . ('─' x $cutoff) . '─'; | |
147 | $borderstring_b .= "└─" . ('─' x $cutoff) . '─'; | |
148 | } else { | |
149 | $formatstring .= "| %-${cutoff}s "; | |
150 | $borderstring_m .= "+-" . ('-' x $cutoff) . '-'; | |
151 | } | |
152 | } elsif ($i == ($column_count - 1)) { | |
153 | if ($utf8) { | |
154 | $formatstring .= "│ %-${cutoff}s │\n"; | |
155 | $borderstring_t .= "┬─" . ('─' x $cutoff) . "─┐\n"; | |
156 | $borderstring_m .= "┼─" . ('─' x $cutoff) . "─┤\n"; | |
157 | $borderstring_b .= "┴─" . ('─' x $cutoff) . "─┘\n"; | |
158 | } else { | |
159 | $formatstring .= "| %-${cutoff}s |\n"; | |
160 | $borderstring_m .= "+-" . ('-' x $cutoff) . "-+\n"; | |
161 | } | |
793ad69b | 162 | } else { |
eb1c51c2 DM |
163 | if ($utf8) { |
164 | $formatstring .= "│ %-${cutoff}s "; | |
165 | $borderstring_t .= "┬─" . ('─' x $cutoff) . '─'; | |
166 | $borderstring_m .= "┼─" . ('─' x $cutoff) . '─'; | |
167 | $borderstring_b .= "┴─" . ('─' x $cutoff) . '─'; | |
168 | } else { | |
169 | $formatstring .= "| %-${cutoff}s "; | |
170 | $borderstring_m .= "+-" . ('-' x $cutoff) . '-'; | |
171 | } | |
793ad69b DM |
172 | } |
173 | } else { | |
174 | # skip alignment and cutoff on last column | |
175 | $formatstring .= ($i == ($column_count - 1)) ? "%s\n" : "%-${cutoff}s "; | |
176 | } | |
f53ad23a DM |
177 | } |
178 | ||
f53ad23a DM |
179 | if (defined($sort_key)) { |
180 | my $type = $returnprops->{$sort_key}->{type} // 'string'; | |
181 | if ($type eq 'integer' || $type eq 'number') { | |
182 | @$data = sort { $a->{$sort_key} <=> $b->{$sort_key} } @$data; | |
183 | } else { | |
184 | @$data = sort { $a->{$sort_key} cmp $b->{$sort_key} } @$data; | |
185 | } | |
186 | } | |
187 | ||
eb1c51c2 DM |
188 | $borderstring_t = $borderstring_m if !length($borderstring_t); |
189 | $borderstring_b = $borderstring_m if !length($borderstring_b); | |
190 | ||
43b104c4 | 191 | println_max($borderstring_t, $encoding, $columns) if $border; |
cde31da0 | 192 | my $text = sprintf $formatstring, map { $colopts->{$_}->{title} } @$props_to_print; |
43b104c4 | 193 | println_max($text, $encoding, $columns); |
793ad69b | 194 | |
f53ad23a | 195 | foreach my $entry (@$data) { |
43b104c4 | 196 | println_max($borderstring_m, $encoding, $columns) if $border; |
cde31da0 | 197 | $text = sprintf $formatstring, map { |
84142f1d | 198 | substr(data_to_text($entry->{$_}, $returnprops->{$_}) // $colopts->{$_}->{default}, |
f53ad23a DM |
199 | 0, $colopts->{$_}->{cutoff}); |
200 | } @$props_to_print; | |
43b104c4 | 201 | println_max($text, $encoding, $columns); |
f53ad23a | 202 | } |
43b104c4 | 203 | println_max($borderstring_b, $encoding, $columns) if $border; |
f53ad23a DM |
204 | } |
205 | ||
206 | # prints the result of an API GET call returning an array as a table. | |
207 | # takes formatting information from the results property of the call | |
208 | # if $props_to_print is provided, prints only those columns. otherwise | |
209 | # takes all fields of the results property, with a fallback | |
210 | # to all fields occuring in items of $data. | |
211 | sub print_api_list { | |
0c22b00c | 212 | my ($data, $result_schema, $props_to_print, $options) = @_; |
f53ad23a DM |
213 | |
214 | die "can only print object lists\n" | |
215 | if !($result_schema->{type} eq 'array' && $result_schema->{items}->{type} eq 'object'); | |
216 | ||
217 | my $returnprops = $result_schema->{items}->{properties}; | |
218 | ||
219 | if (!defined($props_to_print)) { | |
220 | $props_to_print = [ sort keys %$returnprops ]; | |
221 | if (!scalar(@$props_to_print)) { | |
222 | my $all_props = {}; | |
223 | foreach my $obj (@{$data}) { | |
224 | foreach my $key (keys %{$obj}) { | |
225 | $all_props->{ $key } = 1; | |
226 | } | |
227 | } | |
228 | $props_to_print = [ sort keys %{$all_props} ]; | |
229 | } | |
230 | die "unable to detect list properties\n" if !scalar(@$props_to_print); | |
231 | } | |
232 | ||
0c22b00c | 233 | print_text_table($data, $returnprops, $props_to_print, $options); |
f53ad23a DM |
234 | } |
235 | ||
236 | sub print_api_result { | |
0c22b00c DM |
237 | my ($format, $data, $result_schema, $props_to_print, $options) = @_; |
238 | ||
4ac85000 DM |
239 | if (!defined($options)) { |
240 | $options = query_terminal_options({}); | |
241 | } else { | |
242 | $options = { %$options }; # copy | |
243 | } | |
f53ad23a DM |
244 | |
245 | return if $result_schema->{type} eq 'null'; | |
246 | ||
247 | if ($format eq 'json') { | |
43b104c4 | 248 | # Note: we always use utf8 encoding for json format |
f53ad23a | 249 | print to_json($data, {utf8 => 1, allow_nonref => 1, canonical => 1, pretty => 1 }); |
793ad69b | 250 | } elsif ($format eq 'text' || $format eq 'plain') { |
43b104c4 | 251 | my $encoding = $options->{encoding} // 'UTF-8'; |
f53ad23a DM |
252 | my $type = $result_schema->{type}; |
253 | if ($type eq 'object') { | |
254 | $props_to_print = [ sort keys %$data ] if !defined($props_to_print); | |
2a174d2a | 255 | my $kvstore = []; |
f53ad23a | 256 | foreach my $key (@$props_to_print) { |
84142f1d | 257 | push @$kvstore, { key => $key, value => data_to_text($data->{$key}, $result_schema->{properties}->{$key}) }; |
f53ad23a | 258 | } |
2a174d2a | 259 | my $schema = { type => 'array', items => { type => 'object' }}; |
0c22b00c DM |
260 | $options->{border} = $format eq 'text'; |
261 | print_api_list($kvstore, $schema, ['key', 'value'], $options); | |
f53ad23a DM |
262 | } elsif ($type eq 'array') { |
263 | return if !scalar(@$data); | |
264 | my $item_type = $result_schema->{items}->{type}; | |
265 | if ($item_type eq 'object') { | |
0c22b00c DM |
266 | $options->{border} = $format eq 'text'; |
267 | print_api_list($data, $result_schema, $props_to_print, $options); | |
f53ad23a DM |
268 | } else { |
269 | foreach my $entry (@$data) { | |
43b104c4 | 270 | print encode($encoding, data_to_text($entry) . "\n"); |
f53ad23a DM |
271 | } |
272 | } | |
273 | } else { | |
43b104c4 | 274 | print encode($encoding, "$data\n"); |
f53ad23a DM |
275 | } |
276 | } else { | |
277 | die "internal error: unknown output format"; # should not happen | |
278 | } | |
279 | } | |
280 | ||
281 | 1; |