5 * Core drush output formats.
9 * @return drush_outputformat The selected output format engine
11 function drush_get_outputformat() {
12 return drush_get_engine('outputformat');
16 * Dynamically switch to a new output format. Does NOT override
17 * user-selected output format.
19 function drush_set_default_outputformat($format, $metadata = array()) {
20 $command = drush_get_command();
21 $command['engines']['outputformat']['default'] = $format;
22 $outputformat = drush_load_command_engine($command, 'outputformat', $metadata);
26 * Given a command name or a command record, return the
27 * command formatter that is used to process that command's output.
29 function drush_get_command_format_metadata($command, $metadata = array()) {
30 $commands = drush_get_commands();
31 if (!is_array($command) && array_key_exists($command, $commands)) {
32 $command = $commands[$command];
34 return drush_get_command_engine_config($command, 'outputformat', $metadata);
38 * Implementation of hook_drush_engine_type_info().
40 function outputformat_drush_engine_type_info() {
42 $info['outputformat'] = array(
43 'description' => 'Output formatting options selection and use.',
44 'topic' => 'docs-output-formats',
45 'topic-file' => 'docs/output-formats.md',
46 'combine-help' => TRUE,
50 'description' => 'Select output format.',
51 'example-value' => 'json',
54 'description' => 'Fields to output.',
55 'example-value' => 'field1,field2',
56 'value' => 'required',
59 'list-separator' => array(
60 'description' => 'Specify how elements in a list should be separated. In lists of lists, this applies to the elements in the inner lists.',
63 'line-separator' => array(
64 'description' => 'In nested lists of lists, specify how the outer lists ("lines") should be separated.',
67 'field-labels' => array(
68 'description' => 'Add field labels before first line of data. Default is on; use --no-field-labels to disable.',
70 'key' => 'include-field-labels',
73 // Allow output formats to declare their
74 // "output data type" instead of their
75 // "required engine capability" for readability.
76 'config-aliases' => array(
77 'output-data-type' => 'require-engine-capability',
84 * Implements hook_drush_engine_ENGINE_TYPE().
86 * The output format types supported are represented by
87 * the 'engine-capabilities' of the output format engine.
88 * The different capabilities include:
90 * format-single: A simple string.
92 * format-list: An associative array where the key
93 * is usually the row label, and the value
94 * is a simple string. Some list formatters
95 * render the label, and others (like
96 * "list" and "csv") throw it away.
98 * format-table: An associative array, where the key
99 * is the row id, and the value is the
100 * column data. The column data is also
101 * an associative array where the key
102 * is the column id and the value is the
103 * cell data. The cell data should usually
104 * be a simple string; however, some
105 * formatters can recursively format their
106 * cell contents before rendering (e.g. if
107 * a cell contains a list of items in an array).
109 * These definitions align with the declared 'output-data-type'
110 * declared in command records. @see drush_parse_command().
112 * Any output format that does not declare any engine capabilities
113 * is expected to be able to render any php data structure that is
116 function outputformat_drush_engine_outputformat() {
117 $common_topic_example = array(
118 "a" => array("b" => 2, "c" => 3),
119 "d" => array("e" => 5, "f" => 6)
123 $engines['table'] = array(
124 'description' => 'A formatted, word-wrapped table.',
125 'engine-capabilities' => array('format-table'),
127 $engines['key-value'] = array(
128 'description' => 'A formatted list of key-value pairs.',
129 'engine-capabilities' => array('format-single', 'format-list', 'format-table'),
132 $engines['key-value-list'] = array(
133 'implemented-by' => 'list',
134 'list-item-type' => 'key-value',
135 'description' => 'A list of formatted lists of key-value pairs.',
136 'list-field-selection-control' => 1,
137 'engine-capabilities' => array('format-table'),
140 $engines['json'] = array(
141 'machine-parsable' => TRUE,
142 'description' => 'Javascript Object Notation.',
143 'topic-example' => $common_topic_example,
145 $engines['string'] = array(
146 'machine-parsable' => TRUE,
147 'description' => 'A simple string.',
148 'engine-capabilities' => array('format-single'),
150 $engines['message'] = array(
151 'machine-parsable' => FALSE, // depends on the label....
154 $engines['print-r'] = array(
155 'machine-parsable' => TRUE,
156 'description' => 'Output via php print_r function.',
157 'verbose-only' => TRUE,
158 'topic-example' => $common_topic_example,
160 $engines['var_export'] = array(
161 'machine-parsable' => TRUE,
162 'description' => 'An array in executable php format.',
163 'topic-example' => $common_topic_example,
165 $engines['yaml'] = array(
166 'machine-parsable' => TRUE,
167 'description' => 'Yaml output format.',
168 'topic-example' => $common_topic_example,
170 $engines['php'] = array(
171 'machine-parsable' => TRUE,
172 'description' => 'A serialized php string.',
173 'verbose-only' => TRUE,
174 'topic-example' => $common_topic_example,
176 $engines['config'] = array(
177 'machine-parsable' => TRUE,
178 'implemented-by' => 'list',
179 'list-item-type' => 'var_export',
180 'description' => "A configuration file in executable php format. The variable name is \"config\", and the variable keys are taken from the output data array's keys.",
182 'variable-name' => 'config',
184 'list-field-selection-control' => -1,
185 'engine-capabilities' => array('format-list','format-table'),
186 'verbose-only' => TRUE,
188 $engines['list'] = array(
189 'machine-parsable' => TRUE,
190 'list-item-type' => 'string',
191 'description' => 'A simple list of values.',
192 // When a table is printed as a list, only the array keys of the rows will print.
193 'engine-capabilities' => array('format-list', 'format-table'),
194 'topic-example' => array('a', 'b', 'c'),
196 $engines['nested-csv'] = array(
197 'machine-parsable' => TRUE,
198 'implemented-by' => 'list',
199 'list-separator' => ',',
200 'list-item-type' => 'csv-or-string',
203 $engines['csv-or-string'] = array(
204 'machine-parsable' => TRUE,
207 $engines['csv'] = array(
208 'machine-parsable' => TRUE,
209 'implemented-by' => 'list',
210 'list-item-type' => 'nested-csv',
211 'labeled-list' => TRUE,
212 'description' => 'A list of values, one per row, each of which is a comma-separated list of values.',
213 'engine-capabilities' => array('format-table'),
214 'topic-example' => array(array('a', 12, 'a@one.com'),array('b', 17, 'b@two.com')),
216 $engines['variables'] = array(
217 'machine-parsable' => TRUE,
218 'description' => 'A list of php variable assignments.',
219 'engine-capabilities' => array('format-table'),
220 'verbose-only' => TRUE,
221 'list-field-selection-control' => -1,
222 'topic-example' => $common_topic_example,
224 $engines['labeled-export'] = array(
225 'machine-parsable' => TRUE,
226 'description' => 'A list of php exports, labeled with a name.',
227 'engine-capabilities' => array('format-table'),
228 'verbose-only' => TRUE,
229 'implemented-by' => 'list',
230 'list-item-type' => 'var_export',
232 'label-template' => '!label: !value',
234 'list-field-selection-control' => -1,
235 'topic-example' => $common_topic_example,
237 $engines['html'] = array(
238 'machine-parsable' => FALSE,
239 'description' => 'An HTML representation',
240 'engine-capabilities' => array('format-table'),
246 * Implements hook_drush_command_alter
248 function outputformat_drush_command_alter(&$command) {
249 // In --pipe mode, change the default format to the default pipe format, or
250 // to json, if no default pipe format is given.
251 if (drush_get_context('DRUSH_PIPE') && (isset($command['engines']['outputformat']))) {
252 $default_format = isset($command['engines']['outputformat']['pipe-format']) ? $command['engines']['outputformat']['pipe-format'] : 'json';
253 $command['engines']['outputformat']['default'] = $default_format;
258 * Implements hook_drush_help_alter().
260 function outputformat_drush_help_alter(&$command) {
261 if (isset($command['engines']['outputformat'])) {
262 $outputformat = $command['engines']['outputformat'];
263 // If the command defines specific field labels,
264 // then modify the help for --fields to include
265 // specific information about the available fields.
266 if (isset($outputformat['field-labels'])) {
267 $all_fields = array();
268 $all_fields_description = array();
269 foreach ($outputformat['field-labels'] as $field => $human_readable) {
270 $all_fields[] = $field;
271 if ((strtolower($field) != strtolower($human_readable)) && !array_key_exists(strtolower($human_readable), $outputformat['field-labels'])) {
272 $all_fields_description[] = $field . dt(" (or '!other')", array('!other' => strtolower($human_readable)));
275 $all_fields_description[] = $field;
278 $field_defaults = isset($outputformat['fields-default']) ? $outputformat['fields-default'] : $all_fields;
279 $command['options']['fields']['example-value'] = implode(', ', $field_defaults);
280 $command['options']['fields']['description'] .= ' '. dt('All available fields are: !fields.', array('!fields' => implode(', ', $all_fields_description)));
281 if (isset($outputformat['fields-default'])) {
282 $command['options']['full']['description'] = dt("Show the full output, with all fields included.");
286 // If the command does not define specific field labels,
287 // then hide the help for --fields unless the command
288 // uses output format engines that format tables.
289 if (isset($outputformat['require-engine-capability']) && is_array($outputformat['require-engine-capability'])) {
290 if (!in_array('format-table', $outputformat['require-engine-capability'])) {
291 unset($command['options']['fields']);
292 unset($command['options']['field-labels']);
295 // If the command does define output formats, but does not
296 // define fields, then just hide the help for the --fields option.
298 $command['options']['fields']['hidden'] = TRUE;
299 $command['options']['field-labels']['hidden'] = TRUE;
303 // If the command defines a default pipe format, then
304 // add '--pipe Equivalent to --format=<pipe-default>'.
305 if (isset($outputformat['pipe-format'])) {
306 if (isset($command['options']['pipe'])) {
307 $command['options']['pipe'] .= ' ';
310 $command['options']['pipe'] = '';
312 if (isset($outputformat['pipe-metadata']['message-template'])) {
313 $command['options']['pipe'] .= dt('Displays output in the form "!message"', array('!message' => $outputformat['pipe-metadata']['message-template']));
316 $command['options']['pipe'] .= dt("Equivalent to --format=!default.", array('!default' => $outputformat['pipe-format']));
323 * Implements hook_drush_engine_topic_additional_text().
325 function outputformat_drush_engine_topic_additional_text($engine, $instance, $config) {
328 // If the output format engine has a 'topic-example' in
329 // its configuration, then format the provided array using
330 // the output formatter, and insert the result of the
331 // transform into the topic text.
332 if ($engine == 'outputformat') {
333 if (array_key_exists('topic-example', $config)) {
334 $code = $config['topic-example'];
335 $formatted = drush_format($code, array(), $instance);
336 $result[] = dt("Code:\n\nreturn !code;\n\nOutput with --format=!instance:\n\n!formatted", array('!code' => var_export($code, TRUE), '!instance' => $instance, '!formatted' => $formatted));
344 * Interface for output format engines.
346 class drush_outputformat {
347 function __construct($config) {
349 'column-widths' => array(),
350 'field-mappings' => array(),
351 'engine-info' => array(),
353 $config['engine-info'] += array(
354 'machine-parsable' => FALSE,
355 'metadata' => array(),
357 $config += $config['engine-info']['metadata'];
358 $this->engine_config = $config;
360 function format_error($message) {
361 return drush_set_error('DRUSH_FORMAT_ERROR', dt("The output data could not be processed by the selected format '!type'. !message", array('!type' => $this->engine, '!message' => $message)));
363 function formatter_type() {
364 return $this->engine;
369 function formatter_is_simple_list() {
370 if (!isset($this->sub_engine)) {
373 return ($this->formatter_type() == 'list') && ($this->sub_engine->supports_single_only());
375 function data_type($metadata) {
376 if (isset($metadata['metameta']['require-engine-capability']) && is_array($metadata['metameta']['require-engine-capability'])) {
377 return $metadata['metameta']['require-engine-capability'][0];
379 if (isset($metadata['require-engine-capability']) && is_array($metadata['require-engine-capability'])) {
380 return $metadata['require-engine-capability'][0];
382 return 'unspecified';
384 function supported_data_types($metadata = NULL) {
385 if ($metadata == NULL) {
386 $metadata = $this->engine_config;
388 if (isset($metadata['metameta']['engine-info']['engine-capabilities'])) {
389 return $metadata['metameta']['engine-info']['engine-capabilities'];
391 if (isset($metadata['engine-info']['engine-capabilities'])) {
392 return $metadata['engine-info']['engine-capabilities'];
396 function supports_single_only($metadata = NULL) {
397 $supported = $this->supported_data_types($metadata);
398 return (count($supported) == 1) && ($supported[0] == 'format-single');
400 function get_info($key) {
401 if (array_key_exists($key, $this->engine_config)) {
402 return $this->engine_config[$key];
404 elseif (isset($this->sub_engine)) {
405 return $this->sub_engine->get_info($key);
410 * Perform pre-processing and then format() the $input.
412 function process($input, $metadata = array()) {
413 $metadata = array_merge_recursive($metadata, $this->engine_config);
414 if (isset($metadata['private-fields']) && is_array($input)) {
415 if (!drush_get_option('show-passwords', FALSE)) {
416 if (!is_array($metadata['private-fields'])) {
417 $metadata['private-fields'] = array($metadata['private-fields']);
419 foreach ($metadata['private-fields'] as $private) {
420 drush_unset_recursive($input, $private);
424 if (isset($metadata[$this->engine . '-metadata'])) {
425 $engine_specific_metadata = $metadata[$this->engine . '-metadata'];
426 unset($metadata[$this->engine . '-metadata']);
427 $metadata = array_merge($metadata, $engine_specific_metadata);
429 if ((drush_get_context('DRUSH_PIPE')) && (isset($metadata['pipe-metadata']))) {
430 $pipe_specific_metadata = $metadata['pipe-metadata'];
431 unset($metadata['pipe-metadata']);
432 $metadata = array_merge($metadata, $pipe_specific_metadata);
434 $machine_parsable = $this->engine_config['engine-info']['machine-parsable'];
435 $formatter_type = $machine_parsable ? 'parsable' : 'formatted';
436 if ((!$machine_parsable) && is_bool($input)) {
437 $input = $input ? 'TRUE' : 'FALSE';
440 // Run $input through any filters that are specified for this formatter.
441 if (isset($metadata[$formatter_type . '-filter'])) {
442 $filters = $metadata[$formatter_type . '-filter'];
443 if (!is_array($filters)) {
444 $filters = array($filters);
446 foreach ($filters as $filter) {
447 if (function_exists($filter)) {
448 $input = $filter($input, $metadata);
452 if (isset($metadata['field-labels'])) {
453 foreach (drush_hide_output_fields() as $hidden_field) {
454 unset($metadata['field-labels'][$hidden_field]);
457 return $this->format($input, $metadata);
459 function format($input, $metadata) {
465 * Specify that certain fields should not appear in the resulting output.
467 function drush_hide_output_fields($fields_to_hide = array()) {
468 $already_hidden = drush_get_context('DRUSH_HIDDEN_OUTPUT_FIELDS');
469 if (!is_array($fields_to_hide)) {
470 $fields_to_hide = array($fields_to_hide);
472 $result = array_merge($already_hidden, $fields_to_hide);
473 drush_set_context('DRUSH_HIDDEN_OUTPUT_FIELDS', $result);