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Current File : /var/www/phpwinfx/libraries/classes/Plugins/Import/ImportOds.php
<?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
* @package PhpMyAdmin-Import
* @subpackage ODS
*/
namespace PhpMyAdmin\Plugins\Import;
use PhpMyAdmin\Import;
use PhpMyAdmin\Message;
use PhpMyAdmin\Plugins\ImportPlugin;
use PhpMyAdmin\Properties\Plugins\ImportPluginProperties;
use PhpMyAdmin\Properties\Options\Groups\OptionsPropertyMainGroup;
use PhpMyAdmin\Properties\Options\Groups\OptionsPropertyRootGroup;
use PhpMyAdmin\Properties\Options\Items\BoolPropertyItem;
use SimpleXMLElement;
/**
* Handles the import for the ODS format
*
* @package PhpMyAdmin-Import
* @subpackage ODS
*/
class ImportOds extends ImportPlugin
{
/**
* Constructor
*/
public function __construct()
{
$this->setProperties();
}
/**
* Sets the import plugin properties.
* Called in the constructor.
*
* @return void
*/
protected function setProperties()
{
$importPluginProperties = new ImportPluginProperties();
$importPluginProperties->setText('OpenDocument Spreadsheet');
$importPluginProperties->setExtension('ods');
$importPluginProperties->setOptionsText(__('Options'));
// create the root group that will be the options field for
// $importPluginProperties
// this will be shown as "Format specific options"
$importSpecificOptions = new OptionsPropertyRootGroup(
"Format Specific Options"
);
// general options main group
$generalOptions = new OptionsPropertyMainGroup("general_opts");
// create primary items and add them to the group
$leaf = new BoolPropertyItem(
"col_names",
__(
'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>'
)
);
$generalOptions->addProperty($leaf);
$leaf = new BoolPropertyItem(
"empty_rows",
__('Do not import empty rows')
);
$generalOptions->addProperty($leaf);
$leaf = new BoolPropertyItem(
"recognize_percentages",
__(
'Import percentages as proper decimals <i>(ex. 12.00% to .12)</i>'
)
);
$generalOptions->addProperty($leaf);
$leaf = new BoolPropertyItem(
"recognize_currency",
__('Import currencies <i>(ex. $5.00 to 5.00)</i>')
);
$generalOptions->addProperty($leaf);
// add the main group to the root group
$importSpecificOptions->addProperty($generalOptions);
// set the options for the import plugin property item
$importPluginProperties->setOptions($importSpecificOptions);
$this->properties = $importPluginProperties;
}
/**
* Handles the whole import logic
*
* @param array &$sql_data 2-element array with sql data
*
* @return void
*/
public function doImport(array &$sql_data = array())
{
global $db, $error, $timeout_passed, $finished;
$i = 0;
$len = 0;
$buffer = "";
/**
* Read in the file via Import::getNextChunk so that
* it can process compressed files
*/
while (!($finished && $i >= $len) && !$error && !$timeout_passed) {
$data = Import::getNextChunk();
if ($data === false) {
/* subtract data we didn't handle yet and stop processing */
$GLOBALS['offset'] -= strlen($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();
$GLOBALS['message'] = Message::error(
__(
'The XML file specified was either malformed or incomplete.'
. ' Please correct the issue and try again.'
)
);
$GLOBALS['error'] = true;
} else {
/** @var SimpleXMLElement $root */
$root = $xml->children('office', true)->{'body'}->{'spreadsheet'};
if (empty($root)) {
$sheets = array();
$GLOBALS['message'] = Message::error(
__('Could not parse OpenDocument Spreadsheet!')
);
$GLOBALS['error'] = true;
} else {
$sheets = $root->children('table', true);
}
}
$tables = array();
$max_cols = 0;
$col_count = 0;
$col_names = array();
$tempRow = array();
$tempRows = array();
$rows = array();
/* Iterate over tables */
/** @var SimpleXMLElement $sheet */
foreach ($sheets as $sheet) {
$col_names_in_first_row = isset($_REQUEST['ods_col_names']);
/* Iterate over rows */
/** @var SimpleXMLElement $row */
foreach ($sheet as $row) {
$type = $row->getName();
if (strcmp('table-row', $type)) {
continue;
}
/* Iterate over columns */
$cellCount = count($row);
$a = 0;
/** @var SimpleXMLElement $cell */
foreach ($row as $cell) {
$a++;
$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++) {
$value = $this->getValue($cell_attrs, $text);
if (!$col_names_in_first_row) {
$tempRow[] = $value;
} else {
// MySQL column names can't end with a space
// character.
$col_names[] = rtrim($value);
}
++$col_count;
}
continue;
}
// skip empty repeats in the last row
if ($a == $cellCount) {
continue;
}
$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[] = Import::getColumnAlphaName(
$col_count + 1
);
++$col_count;
}
}
} else {
if (!$col_names_in_first_row) {
$tempRow[] = 'NULL';
} else {
$col_names[] = Import::getColumnAlphaName(
$col_count + 1
);
}
++$col_count;
}
} //Endforeach
/* 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) {
$col_names[] = Import::getColumnAlphaName($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
*/
$num_tables = count($tables);
for ($i = 0; $i < $num_tables; ++$i) {
$num_rows = count($rows);
for ($j = 0; $j < $num_rows; ++$j) {
if (strcmp($tables[$i][Import::TBL_NAME], $rows[$j][Import::TBL_NAME])) {
continue;
}
if (!isset($tables[$i][Import::COL_NAMES])) {
$tables[$i][] = $rows[$j][Import::COL_NAMES];
}
$tables[$i][Import::ROWS] = $rows[$j][Import::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) {
$analyses[] = Import::analyzeTable($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 $options = an associative array of options
*/
/* Set database name to the currently selected one, if applicable */
list($db_name, $options) = $this->getDbnameAndOptions($db, 'ODS_DB');
/* Non-applicable parameters */
$create = null;
/* Created and execute necessary SQL statements from data */
Import::buildSql($db_name, $tables, $analyses, $create, $options, $sql_data);
unset($tables);
unset($analyses);
/* Commit any possible data in buffers */
Import::runQuery('', '', $sql_data);
}
/**
* Get value
*
* @param array $cell_attrs Cell attributes
* @param array $text Texts
*
* @return float|string
*/
protected function getValue($cell_attrs, $text)
{
if ($_REQUEST['ods_recognize_percentages']
&& !strcmp(
'percentage',
$cell_attrs['value-type']
)
) {
$value = (double)$cell_attrs['value'];
return $value;
} elseif ($_REQUEST['ods_recognize_currency']
&& !strcmp('currency', $cell_attrs['value-type'])
) {
$value = (double)$cell_attrs['value'];
return $value;
}
/* We need to concatenate all paragraphs */
$values = array();
foreach ($text as $paragraph) {
$values[] = (string)$paragraph;
}
$value = implode("\n", $values);
return $value;
}
}
