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97 lines (89 loc) · 2.47 KB
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<?php
/**
* @file
* Output formats for ODSM.
*/
/**
* Prettify output formats array for odsm form
*/
function open_data_schema_map_form_output_formats() {
$output_formats = array_keys(open_data_schema_map_retrieve_output_formats());
$r = array();
foreach ($output_formats as $output_format) {
$r[$output_format] = $output_format;
}
return $r;
}
/**
* Returns a full, single output format array
*/
function open_data_schema_map_output_format_load($name) {
$output_formats = open_data_schema_map_retrieve_output_formats();
if (in_array($name, array_keys($output_formats))) {
return $output_formats[$name];
}
else {
return FALSE;
}
}
/**
* Returns list of formats off hook_odsm_output_format implementations.
*/
function open_data_schema_map_retrieve_output_formats() {
$output_formats = array();
foreach (module_implements('odsm_output_format') as $module) {
$module_outputs = $module . '_odsm_output_format';
$module_outputs = $module_outputs();
foreach ($module_outputs as $key => $value) {
if (!in_array($key, array_keys($output_formats))) {
$output_formats[$key] = $value;
}
}
}
return $output_formats;
}
/**
* Implements hook_odsm_output_format().
*/
function open_data_schema_map_odsm_output_format() {
return array(
'json' => array(
'callback' => 'open_data_schema_map_json_output',
'headers' => array(
'Content-Type' => 'application/json',
),
),
'json-pretty' => array(
'callback' => 'open_data_schema_map_json_pretty_output',
'headers' => array(
'Content-Type' => 'application/json',
),
),
);
}
/**
* Default json output.
*/
function open_data_schema_map_json_output($api, $results) {
return drupal_json_encode($results);
}
/**
* Alternative "pretty" json output if php -v > 5.3.
*/
function open_data_schema_map_json_pretty_output($api, $results) {
// We are returning JSON, so tell the browser.
if (isset($results)) {
// The PHP version cannot change within a request.
static $php530;
if (!isset($php530)) {
$php530 = version_compare(PHP_VERSION, '5.3.0', '>=');
}
if ($php530) {
return json_encode($results, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
}
// json_encode() escapes <, >, ', &, and " using its options parameter, but
// does not support this parameter prior to PHP 5.3.0.
include_once DRUPAL_ROOT . '/includes/json-encode.inc';
return drupal_json_encode_helper($results);
}
}