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ESRI shape files imported from a zip archive

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This commit is contained in:
Madhura Jayaratne 2011-07-08 18:31:19 +05:30
parent 6f4db19f53
commit 28519cf25b
2 changed files with 107 additions and 6 deletions
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35
libraries/import/shp.php
View File

@ -208,16 +208,49 @@ if (isset($plugin_list)) {
}
$shp = new PMA_ShapeFile(1);
// If the zip archive has more than one file, get the content to the buffer from .shp file.
if ($compression == 'application/zip' && PMA_getNoOfFilesInZip($import_file) > 1) {
$zip_content = PMA_getZipContents($import_file, '/^.*\.shp$/i');
$GLOBALS['import_text'] = $zip_content['data'];
}
// We need dbase extension to handle .dbf file
if (extension_loaded('dbase')) {
// If we can extract the zip archive to 'TempDir' and use the files in it for import
if ($compression == 'application/zip'
&& ! empty($cfg['TempDir'])
&& is_writable($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($cfg['TempDir']), array($dbf_file_name));
if ($extracted) {
$dbf_file_path = realpath($cfg['TempDir']) . '/' . $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 = $file_name;
}
}
}
// If file is in UploadDir, use .dbf file in the same UploadDir to load extra data.
if (! empty($local_import_file) && ! empty($cfg['UploadDir']) && $compression == 'none') {
elseif (! empty($local_import_file) && ! empty($cfg['UploadDir']) && $compression == 'none') {
// 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
$shp->loadFromFile('');
// Delete the .dbf file extracted to 'TempDir'
if ($temp_dbf_file) {
unlink($dbf_file_path);
}
$esri_types = array(
0 => 'Null Shape',
1 => 'Point',

78
libraries/zip_extension.lib.php
View File

@ -10,11 +10,12 @@
* Gets zip file contents
*
* @param string $file
* @param string $specific_entry regular expression to match a file
* @return array ($error_message, $file_data); $error_message
* is empty if no error
*/
function PMA_getZipContents($file)
function PMA_getZipContents($file, $specific_entry = null)
{
$error_message = '';
$file_data = '';
@ -28,11 +29,15 @@ function PMA_getZipContents($file)
$read = zip_entry_read($first_zip_entry);
$ods_mime = 'application/vnd.oasis.opendocument.spreadsheet';
if (!strcmp($ods_mime, $read)) {
$specific_entry = '/^content\.xml$/';
}
if (isset($specific_entry)) {
/* Return the correct contents, not just the first entry */
for ( ; ; ) {
$entry = zip_read($zip_handle);
if (is_resource($entry)) {
if (!strcmp('content.xml', zip_entry_name($entry))) {
if (preg_match($specific_entry, zip_entry_name($entry))) {
zip_entry_open($zip_handle, $entry, 'r');
$file_data = zip_entry_read($entry, zip_entry_filesize($entry));
zip_entry_close($entry);
@ -41,15 +46,15 @@ function PMA_getZipContents($file)
} else {
/**
* Either we have reached the end of the zip and still
* haven't found 'content.xml' or there was a parsing
* haven't found $specific_entry or there was a parsing
* error that we must display
*/
if ($entry === false) {
$error_message = __('Error in ZIP archive:') . ' Could not find "content.xml"';
$error_message = __('Error in ZIP archive:') . ' Could not find "' . $specific_entry . '"';
} else {
$error_message = __('Error in ZIP archive:') . ' ' . PMA_getZipError($zip_handle);
}
break;
}
}
@ -68,6 +73,69 @@ function PMA_getZipContents($file)
return (array('error' => $error_message, 'data' => $file_data));
}
/**
* Returns the file name of the first file that matches the given $file_regexp.
*
* @param string $file_regexp regular expression for the file name to match
* @param string $file zip archive
*/
function PMA_findFileFromZipArchive ($file_regexp, $file)
{
$zip_handle = zip_open($file);
$found = false;
if (is_resource($zip_handle)) {
$entry = zip_read($zip_handle);
while (is_resource($entry)) {
if (preg_match($file_regexp, zip_entry_name($entry))) {
$file_name = zip_entry_name($entry);
zip_close($zip_handle);
return $file_name;
}
$entry = zip_read($zip_handle);
}
}
zip_close($zip_handle);
return false;
}
/**
* Returns the number of files in the zip archive.
*
* @param string $file
*/
function PMA_getNoOfFilesInZip($file)
{
$count = 0;
$zip_handle = zip_open($file);
$found = false;
if (is_resource($zip_handle)) {
$entry = zip_read($zip_handle);
while (is_resource($entry)) {
$count++;
$entry = zip_read($zip_handle);
}
}
zip_close($zip_handle);
return $count;
}
/**
* Extracts a set of files from the given zip archive to a given destinations.
*
* @param string $zip_path
* @param string $destination
* @param array $entries
*/
function PMA_zipExtract($zip_path, $destination, $entries) {
$zip = new ZipArchive;
if ($zip->open($zip_path) === true) {
$zip->extractTo($destination, $entries);
$zip->close();
return true;
}
return false;
}
/**
* Gets zip error message
*