diff options
Diffstat (limited to 'hugo/libraries/plugins/export/ExportJson.class.php')
| -rw-r--r-- | hugo/libraries/plugins/export/ExportJson.class.php | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/hugo/libraries/plugins/export/ExportJson.class.php b/hugo/libraries/plugins/export/ExportJson.class.php new file mode 100644 index 0000000..299e248 --- /dev/null +++ b/hugo/libraries/plugins/export/ExportJson.class.php @@ -0,0 +1,221 @@ +<?php +/* vim: set expandtab sw=4 ts=4 sts=4: */ +/** + * Set of methods used to build dumps of tables as JSON + * + * @package PhpMyAdmin-Export + * @subpackage JSON + */ +if (! defined('PHPMYADMIN')) { + exit; +} + +/* Get the export interface */ +require_once 'libraries/plugins/ExportPlugin.class.php'; + +/** + * Handles the export for the JSON format + * + * @package PhpMyAdmin-Export + * @subpackage JSON + */ +class ExportJson extends ExportPlugin +{ + /** + * Constructor + */ + public function __construct() + { + $this->setProperties(); + } + + /** + * Sets the export JSON properties + * + * @return void + */ + protected function setProperties() + { + $props = 'libraries/properties/'; + include_once "$props/plugins/ExportPluginProperties.class.php"; + include_once "$props/options/groups/OptionsPropertyRootGroup.class.php"; + include_once "$props/options/groups/OptionsPropertyMainGroup.class.php"; + include_once "$props/options/items/HiddenPropertyItem.class.php"; + + $exportPluginProperties = new ExportPluginProperties(); + $exportPluginProperties->setText('JSON'); + $exportPluginProperties->setExtension('json'); + $exportPluginProperties->setMimeType('text/plain'); + $exportPluginProperties->setOptionsText(__('Options')); + + // create the root group that will be the options field for + // $exportPluginProperties + // this will be shown as "Format specific options" + $exportSpecificOptions = new OptionsPropertyRootGroup(); + $exportSpecificOptions->setName("Format Specific Options"); + + // general options main group + $generalOptions = new OptionsPropertyMainGroup(); + $generalOptions->setName("general_opts"); + // create primary items and add them to the group + $leaf = new HiddenPropertyItem(); + $leaf->setName("structure_or_data"); + $generalOptions->addProperty($leaf); + // add the main group to the root group + $exportSpecificOptions->addProperty($generalOptions); + + // set the options for the export plugin property item + $exportPluginProperties->setOptions($exportSpecificOptions); + $this->properties = $exportPluginProperties; + } + + /** + * This method is called when any PluginManager to which the observer + * is attached calls PluginManager::notify() + * + * @param SplSubject $subject The PluginManager notifying the observer + * of an update. + * + * @return void + */ + public function update (SplSubject $subject) + { + } + + /** + * Outputs export header + * + * @return bool Whether it succeeded + */ + public function exportHeader () + { + PMA_exportOutputHandler( + '/**' . $GLOBALS['crlf'] + . ' Export to JSON plugin for PHPMyAdmin' . $GLOBALS['crlf'] + . ' @version 0.1' . $GLOBALS['crlf'] + . ' */' . $GLOBALS['crlf'] . $GLOBALS['crlf'] + ); + return true; + } + + /** + * Outputs export footer + * + * @return bool Whether it succeeded + */ + public function exportFooter () + { + return true; + } + + /** + * Outputs database header + * + * @param string $db Database name + * + * @return bool Whether it succeeded + */ + public function exportDBHeader ($db) + { + PMA_exportOutputHandler('// Database \'' . $db . '\'' . $GLOBALS['crlf']); + return true; + } + + /** + * Outputs database footer + * + * @param string $db Database name + * + * @return bool Whether it succeeded + */ + public function exportDBFooter ($db) + { + return true; + } + + /** + * Outputs CREATE DATABASE statement + * + * @param string $db Database name + * + * @return bool Whether it succeeded + */ + public function exportDBCreate($db) + { + return true; + } + + /** + * Outputs the content of a table in JSON format + * + * @param string $db database name + * @param string $table table name + * @param string $crlf the end of line sequence + * @param string $error_url the url to go back in case of error + * @param string $sql_query SQL query for obtaining data + * + * @return bool Whether it succeeded + */ + public function exportData($db, $table, $crlf, $error_url, $sql_query) + { + $result = PMA_DBI_query($sql_query, null, PMA_DBI_QUERY_UNBUFFERED); + $columns_cnt = PMA_DBI_num_fields($result); + + // Get field information + $fields_meta = PMA_DBI_get_fields_meta($result); + + for ($i = 0; $i < $columns_cnt; $i++) { + $columns[$i] = stripslashes(PMA_DBI_field_name($result, $i)); + } + unset($i); + + $buffer = ''; + $record_cnt = 0; + while ($record = PMA_DBI_fetch_row($result)) { + + $record_cnt++; + + // Output table name as comment if this is the first record of the table + if ($record_cnt == 1) { + $buffer .= '// ' . $db . '.' . $table . $crlf . $crlf; + $buffer .= '[{'; + } else { + $buffer .= ', {'; + } + + for ($i = 0; $i < $columns_cnt; $i++) { + $isLastLine = ($i + 1 >= $columns_cnt); + $column = $columns[$i]; + if (is_null($record[$i])) { + $buffer .= '"' . addslashes($column) + . '": null' + . (! $isLastLine ? ',' : ''); + } elseif ($fields_meta[$i]->numeric) { + $buffer .= '"' . addslashes($column) + . '": ' + . $record[$i] + . (! $isLastLine ? ',' : ''); + } else { + $buffer .= '"' . addslashes($column) + . '": "' + . addslashes($record[$i]) + . '"' + . (! $isLastLine ? ',' : ''); + } + } + + $buffer .= '}'; + } + + if ($record_cnt) { + $buffer .= ']'; + } + if (! PMA_exportOutputHandler($buffer)) { + return false; + } + + PMA_DBI_free_result($result); + return true; + } +} +?>
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