/www/addons/pma/libraries/import/ods.php
PHP | 307 lines | 192 code | 43 blank | 72 comment | 56 complexity | ba4346f3549af8410c2ae0b1ca7f8945 MD5 | raw file
Possible License(s): GPL-2.0
- <?php
- /* vim: set expandtab sw=4 ts=4 sts=4: */
- /**
- * OpenDocument Spreadsheet import plugin for phpMyAdmin
- *
- * @todo Pretty much everything
- * @todo Importing of accented characters seems to fail
- * @version 0.5-beta
- * @package phpMyAdmin-Import
- */
- if (! defined('PHPMYADMIN')) {
- exit;
- }
- /**
- * We need way to disable external XML entities processing.
- */
- if (!function_exists('libxml_disable_entity_loader')) {
- return;
- }
- /**
- * The possible scopes for $plugin_param are: 'table', 'database', and 'server'
- */
- if (isset($plugin_list)) {
- $plugin_list['ods'] = array(
- 'text' => __('Open Document Spreadsheet'),
- 'extension' => 'ods',
- 'options' => array(
- array('type' => 'begin_group', 'name' => 'general_opts'),
- array('type' => 'bool', 'name' => 'col_names', 'text' => __('The first line of the file contains the table column names <i>(if this is unchecked, the first line will become part of the data)</i>')),
- array('type' => 'bool', 'name' => 'empty_rows', 'text' => __('Do not import empty rows')),
- array('type' => 'bool', 'name' => 'recognize_percentages', 'text' => __('Import percentages as proper decimals <i>(ex. 12.00% to .12)</i>')),
- array('type' => 'bool', 'name' => 'recognize_currency', 'text' => __('Import currencies <i>(ex. $5.00 to 5.00)</i>')),
- array('type' => 'end_group')
- ),
- 'options_text' => __('Options'),
- );
- /* We do not define function when plugin is just queried for information above */
- return;
- }
- $i = 0;
- $len = 0;
- $buffer = "";
- /**
- * Read in the file via PMA_importGetNextChunk so that
- * it can process compressed files
- */
- while (! ($finished && $i >= $len) && ! $error && ! $timeout_passed) {
- $data = PMA_importGetNextChunk();
- if ($data === FALSE) {
- /* subtract data we didn't handle yet and stop processing */
- $offset -= strlen($buffer);
- break;
- } elseif ($data === TRUE) {
- /* Handle rest of buffer */
- } else {
- /* Append new data to buffer */
- $buffer .= $data;
- unset($data);
- }
- }
- unset($data);
- /**
- * Disable loading of external XML entities.
- */
- libxml_disable_entity_loader();
- /**
- * Load the XML string
- *
- * The option LIBXML_COMPACT is specified because it can
- * result in increased performance without the need to
- * alter the code in any way. It's basically a freebee.
- */
- $xml = simplexml_load_string($buffer, "SimpleXMLElement", LIBXML_COMPACT);
- unset($buffer);
- if ($xml === FALSE) {
- $sheets = array();
- /* TODO: this message should be improved later, used existing because of string freeze */
- $message = PMA_Message::error(__('Error in Processing Request'));
- $error = TRUE;
- } else {
- $sheets = $xml->children('office', true)->{'body'}->{'spreadsheet'}->children('table', true);
- }
- $tables = array();
- $max_cols = 0;
- $row_count = 0;
- $col_count = 0;
- $col_names = array();
- $tempRow = array();
- $tempRows = array();
- $rows = array();
- /* Iterate over tables */
- foreach ($sheets as $sheet) {
- $col_names_in_first_row = isset($_REQUEST['ods_col_names']);
- /* Iterate over rows */
- foreach ($sheet as $row) {
- $type = $row->getName();
- if (! strcmp('table-row', $type)) {
- /* Iterate over columns */
- foreach ($row as $cell) {
- $text = $cell->children('text', true);
- $cell_attrs = $cell->attributes('office', true);
- if (count($text) != 0) {
- $attr = $cell->attributes('table', true);
- $num_repeat = (int) $attr['number-columns-repeated'];
- $num_iterations = $num_repeat ? $num_repeat : 1;
- for ($k = 0; $k < $num_iterations; $k++) {
- if (! $col_names_in_first_row) {
- if ($_REQUEST['ods_recognize_percentages'] && !strcmp('percentage', $cell_attrs['value-type'])) {
- $tempRow[] = (double)$cell_attrs['value'];
- } elseif ($_REQUEST['ods_recognize_currency'] && !strcmp('currency', $cell_attrs['value-type'])) {
- $tempRow[] = (double)$cell_attrs['value'];
- } else {
- $tempRow[] = (string)$text;
- }
- } else {
- if ($_REQUEST['ods_recognize_percentages'] && !strcmp('percentage', $cell_attrs['value-type'])) {
- $col_names[] = (double)$cell_attrs['value'];
- } else if ($_REQUEST['ods_recognize_currency'] && !strcmp('currency', $cell_attrs['value-type'])) {
- $col_names[] = (double)$cell_attrs['value'];
- } else {
- $col_names[] = (string)$text;
- }
- }
- ++$col_count;
- }
- } else {
- /* Number of blank columns repeated */
- if ($col_count < count($row->children('table', true)) - 1) {
- $attr = $cell->attributes('table', true);
- $num_null = (int)$attr['number-columns-repeated'];
- if ($num_null) {
- if (! $col_names_in_first_row) {
- for ($i = 0; $i < $num_null; ++$i) {
- $tempRow[] = 'NULL';
- ++$col_count;
- }
- } else {
- for ($i = 0; $i < $num_null; ++$i) {
- $col_names[] = PMA_getColumnAlphaName($col_count + 1);
- ++$col_count;
- }
- }
- } else {
- if (! $col_names_in_first_row) {
- $tempRow[] = 'NULL';
- } else {
- $col_names[] = PMA_getColumnAlphaName($col_count + 1);
- }
- ++$col_count;
- }
- }
- }
- }
- /* Find the widest row */
- if ($col_count > $max_cols) {
- $max_cols = $col_count;
- }
- /* Don't include a row that is full of NULL values */
- if (! $col_names_in_first_row) {
- if ($_REQUEST['ods_empty_rows']) {
- foreach ($tempRow as $cell) {
- if (strcmp('NULL', $cell)) {
- $tempRows[] = $tempRow;
- break;
- }
- }
- } else {
- $tempRows[] = $tempRow;
- }
- }
- $col_count = 0;
- $col_names_in_first_row = false;
- $tempRow = array();
- }
- }
- /* Skip over empty sheets */
- if (count($tempRows) == 0 || count($tempRows[0]) == 0) {
- $col_names = array();
- $tempRow = array();
- $tempRows = array();
- continue;
- }
- /**
- * Fill out each row as necessary to make
- * every one exactly as wide as the widest
- * row. This included column names.
- */
- /* Fill out column names */
- for ($i = count($col_names); $i < $max_cols; ++$i) {
- $col_names[] = PMA_getColumnAlphaName($i + 1);
- }
- /* Fill out all rows */
- $num_rows = count($tempRows);
- for ($i = 0; $i < $num_rows; ++$i) {
- for ($j = count($tempRows[$i]); $j < $max_cols; ++$j) {
- $tempRows[$i][] = 'NULL';
- }
- }
- /* Store the table name so we know where to place the row set */
- $tbl_attr = $sheet->attributes('table', true);
- $tables[] = array((string)$tbl_attr['name']);
- /* Store the current sheet in the accumulator */
- $rows[] = array((string)$tbl_attr['name'], $col_names, $tempRows);
- $tempRows = array();
- $col_names = array();
- $max_cols = 0;
- }
- unset($tempRow);
- unset($tempRows);
- unset($col_names);
- unset($sheets);
- unset($xml);
- /**
- * Bring accumulated rows into the corresponding table
- */
- $num_tbls = count($tables);
- for ($i = 0; $i < $num_tbls; ++$i) {
- for ($j = 0; $j < count($rows); ++$j) {
- if (! strcmp($tables[$i][TBL_NAME], $rows[$j][TBL_NAME])) {
- if (! isset($tables[$i][COL_NAMES])) {
- $tables[$i][] = $rows[$j][COL_NAMES];
- }
- $tables[$i][ROWS] = $rows[$j][ROWS];
- }
- }
- }
- /* No longer needed */
- unset($rows);
- /* Obtain the best-fit MySQL types for each column */
- $analyses = array();
- $len = count($tables);
- for ($i = 0; $i < $len; ++$i) {
- $analyses[] = PMA_analyzeTable($tables[$i]);
- }
- /**
- * string $db_name (no backquotes)
- *
- * array $table = array(table_name, array() column_names, array()() rows)
- * array $tables = array of "$table"s
- *
- * array $analysis = array(array() column_types, array() column_sizes)
- * array $analyses = array of "$analysis"s
- *
- * array $create = array of SQL strings
- *
- * array $options = an associative array of options
- */
- /* Set database name to the currently selected one, if applicable */
- if (strlen($db)) {
- $db_name = $db;
- $options = array('create_db' => false);
- } else {
- $db_name = 'ODS_DB';
- $options = NULL;
- }
- /* Non-applicable parameters */
- $create = NULL;
- /* Created and execute necessary SQL statements from data */
- PMA_buildSQL($db_name, $tables, $analyses, $create, $options);
- unset($tables);
- unset($analyses);
- /* Commit any possible data in buffers */
- PMA_importRunQuery();
- ?>