/htdocs/manage/db/libraries/plugins/import/ImportShp.class.php
PHP | 343 lines | 284 code | 13 blank | 46 comment | 13 complexity | 99798e8bf741a3a4ac444a87e6a0eea2 MD5 | raw file
Possible License(s): GPL-2.0, MIT, BSD-3-Clause
- <?php
- /* vim: set expandtab sw=4 ts=4 sts=4: */
- /**
- * ESRI Shape file import plugin for phpMyAdmin
- *
- * @package PhpMyAdmin-Import
- * @subpackage ESRI_Shape
- */
- if (! defined('PHPMYADMIN')) {
- exit;
- }
- // Drizzle does not support GIS data types
- if (PMA_DRIZZLE) {
- $GLOBALS['skip_import'] = true;
- return;
- }
- /* Get the import interface*/
- require_once 'libraries/plugins/ImportPlugin.class.php';
- /* Get the ShapeFile class */
- require_once 'libraries/bfShapeFiles/ShapeFile.lib.php';
- require_once 'libraries/plugins/import/ShapeFile.class.php';
- require_once 'libraries/plugins/import/ShapeRecord.class.php';
- /**
- * Handles the import for ESRI Shape files
- *
- * @package PhpMyAdmin-Import
- * @subpackage ESRI_Shape
- */
- class ImportShp extends ImportPlugin
- {
- /**
- * Constructor
- */
- public function __construct()
- {
- $this->setProperties();
- }
- /**
- * Sets the import plugin properties.
- * Called in the constructor.
- *
- * @return void
- */
- protected function setProperties()
- {
- $props = 'libraries/properties/';
- include_once "$props/plugins/ImportPluginProperties.class.php";
- $importPluginProperties = new ImportPluginProperties();
- $importPluginProperties->setText(__('ESRI Shape File'));
- $importPluginProperties->setExtension('shp');
- $importPluginProperties->setOptions(array());
- $importPluginProperties->setOptionsText(__('Options'));
- $this->properties = $importPluginProperties;
- }
- /**
- * 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)
- {
- }
- /**
- * Handles the whole import logic
- *
- * @return void
- */
- public function doImport()
- {
- global $db, $error, $finished, $compression,
- $import_file, $local_import_file;
- if ((int) ini_get('memory_limit') < 512) {
- @ini_set('memory_limit', '512M');
- }
- @set_time_limit(300);
- $GLOBALS['finished'] = false;
- $buffer = '';
- $eof = false;
- $shp = new PMA_ShapeFile(1);
- // If the zip archive has more than one file,
- // get the correct content to the buffer from .shp file.
- if ($compression == 'application/zip'
- && PMA_getNoOfFilesInZip($import_file) > 1
- ) {
- $zip_content = PMA_getZipContents($import_file, '/^.*\.shp$/i');
- $GLOBALS['import_text'] = $zip_content['data'];
- }
- $temp_dbf_file = false;
- // We need dbase extension to handle .dbf file
- if (extension_loaded('dbase')) {
- // If we can extract the zip archive to 'TempDir'
- // and use the files in it for import
- if ($compression == 'application/zip'
- && ! empty($GLOBALS['cfg']['TempDir'])
- && is_writable($GLOBALS['cfg']['TempDir'])
- ) {
- $dbf_file_name = PMA_findFileFromZipArchive(
- '/^.*\.dbf$/i', $import_file
- );
- // If the corresponding .dbf file is in the zip archive
- if ($dbf_file_name) {
- // Extract the .dbf file and point to it.
- $extracted = PMA_zipExtract(
- $import_file,
- realpath($GLOBALS['cfg']['TempDir']),
- array($dbf_file_name)
- );
- if ($extracted) {
- $dbf_file_path = realpath($GLOBALS['cfg']['TempDir'])
- . (PMA_IS_WINDOWS ? '\\' : '/') . $dbf_file_name;
- $temp_dbf_file = true;
- // Replace the .dbf with .*, as required
- // by the bsShapeFiles library.
- $file_name = substr(
- $dbf_file_path, 0, strlen($dbf_file_path) - 4
- ) . '.*';
- $shp->FileName = $file_name;
- }
- }
- } elseif (! empty($local_import_file)
- && ! empty($GLOBALS['cfg']['UploadDir'])
- && $compression == 'none'
- ) {
- // If file is in UploadDir, use .dbf file in the same UploadDir
- // to load extra data.
- // Replace the .shp with .*,
- // so the bsShapeFiles library correctly locates .dbf file.
- $file_name = substr($import_file, 0, strlen($import_file) - 4)
- . '.*';
- $shp->FileName = $file_name;
- }
- }
- // Load data
- $shp->loadFromFile('');
- if ($shp->lastError != "") {
- $error = true;
- $message = PMA_Message::error(
- __('There was an error importing the ESRI shape file: "%s".')
- );
- $message->addParam($shp->lastError);
- return;
- }
- // Delete the .dbf file extracted to 'TempDir'
- if ($temp_dbf_file
- && isset($dbf_file_path)
- && file_exists($dbf_file_path)
- ) {
- unlink($dbf_file_path);
- }
- $esri_types = array(
- 0 => 'Null Shape',
- 1 => 'Point',
- 3 => 'PolyLine',
- 5 => 'Polygon',
- 8 => 'MultiPoint',
- 11 => 'PointZ',
- 13 => 'PolyLineZ',
- 15 => 'PolygonZ',
- 18 => 'MultiPointZ',
- 21 => 'PointM',
- 23 => 'PolyLineM',
- 25 => 'PolygonM',
- 28 => 'MultiPointM',
- 31 => 'MultiPatch',
- );
- switch ($shp->shapeType) {
- // ESRI Null Shape
- case 0:
- break;
- // ESRI Point
- case 1:
- $gis_type = 'point';
- break;
- // ESRI PolyLine
- case 3:
- $gis_type = 'multilinestring';
- break;
- // ESRI Polygon
- case 5:
- $gis_type = 'multipolygon';
- break;
- // ESRI MultiPoint
- case 8:
- $gis_type = 'multipoint';
- break;
- default:
- $error = true;
- if (! isset($esri_types[$shp->shapeType])) {
- $message = PMA_Message::error(
- __(
- 'You tried to import an invalid file or the imported file'
- . ' contains invalid data'
- )
- );
- } else {
- $message = PMA_Message::error(
- __('MySQL Spatial Extension does not support ESRI type "%s".')
- );
- $message->addParam($param);
- }
- return;
- }
- if (isset($gis_type)) {
- include_once './libraries/gis/pma_gis_factory.php';
- $gis_obj = PMA_GIS_Factory::factory($gis_type);
- } else {
- $gis_obj = null;
- }
- $num_rows = count($shp->records);
- // If .dbf file is loaded, the number of extra data columns
- $num_data_cols = isset($shp->DBFHeader) ? count($shp->DBFHeader) : 0;
- $rows = array();
- $col_names = array();
- if ($num_rows != 0) {
- foreach ($shp->records as $record) {
- $tempRow = array();
- if ($gis_obj == null) {
- $tempRow[] = null;
- } else {
- $tempRow[] = "GeomFromText('"
- . $gis_obj->getShape($record->SHPData) . "')";
- }
- if (isset($shp->DBFHeader)) {
- foreach ($shp->DBFHeader as $c) {
- $cell = trim($record->DBFData[$c[0]]);
- if (! strcmp($cell, '')) {
- $cell = 'NULL';
- }
- $tempRow[] = $cell;
- }
- }
- $rows[] = $tempRow;
- }
- }
- if (count($rows) == 0) {
- $error = true;
- $message = PMA_Message::error(
- __('The imported file does not contain any data')
- );
- return;
- }
- // Column names for spatial column and the rest of the columns,
- // if they are available
- $col_names[] = 'SPATIAL';
- for ($n = 0; $n < $num_data_cols; $n++) {
- $col_names[] = $shp->DBFHeader[$n][0];
- }
- // Set table name based on the number of tables
- if (strlen($db)) {
- $result = PMA_DBI_fetch_result('SHOW TABLES');
- $table_name = 'TABLE '.(count($result) + 1);
- } else {
- $table_name = 'TBL_NAME';
- }
- $tables = array(array($table_name, $col_names, $rows));
- // Use data from shape file to chose best-fit MySQL types for each column
- $analyses = array();
- $analyses[] = PMA_analyzeTable($tables[0]);
- $table_no = 0; $spatial_col = 0;
- $analyses[$table_no][TYPES][$spatial_col] = GEOMETRY;
- $analyses[$table_no][FORMATTEDSQL][$spatial_col] = true;
- // Set database name to the currently selected one, if applicable
- if (strlen($db)) {
- $db_name = $db;
- $options = array('create_db' => false);
- } else {
- $db_name = 'SHP_DB';
- $options = null;
- }
- // Created and execute necessary SQL statements from data
- $null_param = null;
- PMA_buildSQL($db_name, $tables, $analyses, $null_param, $options);
- unset($tables);
- unset($analyses);
- $finished = true;
- $error = false;
- // Commit any possible data in buffers
- PMA_importRunQuery();
- }
- /**
- * Returns specified number of bytes from the buffer.
- * Buffer automatically fetches next chunk of data when the buffer
- * falls short.
- * Sets $eof when $GLOBALS['finished'] is set and the buffer falls short.
- *
- * @param int $length number of bytes
- *
- * @return string
- */
- public static function readFromBuffer($length)
- {
- global $buffer, $eof;
- if (strlen($buffer) < $length) {
- if ($GLOBALS['finished']) {
- $eof = true;
- } else {
- $buffer .= PMA_importGetNextChunk();
- }
- }
- $result = substr($buffer, 0, $length);
- $buffer = substr($buffer, $length);
- return $result;
- }
- }