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<?php
/**
* Horde_Data implementation for tab-separated data (TSV).
*
* $Horde: framework/Data/Data/tsv.php,v 1.23.10.10 2006/08/03 02:50:40 selsky Exp $
*
* Copyright 1999-2006 Jan Schneider <jan@horde.org>
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
*
* @author Jan Schneider <jan@horde.org>
* @author Chuck Hagenbuch <chuck@horde.org>
* @since Horde 1.3
* @package Horde_Data
*/
class Horde_Data_tsv extends Horde_Data {
var $_extension = 'tsv';
var $_contentType = 'text/tab-separated-values';
function importData($contents, $header = false, $delimiter = "\t")
{
$contents = explode("\n", $contents);
$data = array();
if ($header) {
$head = explode($delimiter, array_shift($contents));
}
foreach ($contents as $line) {
if (trim($line) == '') {
continue;
}
$line = explode($delimiter, $line);
if (!isset($head)) {
$data[] = $line;
} else {
$newline = array();
for ($i = 0; $i < count($head); $i++) {
$newline[$head[$i]] = empty($line[$i]) ? '' : $line[$i];
}
$data[] = $newline;
}
}
return $data;
}
/**
* Builds a TSV file from a given data structure and returns it as a
* string.
*
* @param array $data A two-dimensional array containing the data set.
* @param boolean $header If true, the rows of $data are associative
* arrays with field names as their keys.
*
* @return string The TSV data.
*/
function exportData($data, $header = false)
{
if (!is_array($data) || count($data) == 0) {
return '';
}
$export = '';
$head = array_keys(current($data));
if ($header) {
$export = implode("\t", $head) . "\n";
}
foreach ($data as $row) {
foreach ($head as $key) {
$cell = $row[$key];
if (!empty($cell) || $cell === 0) {
$export .= $cell;
}
$export .= "\t";
}
$export = substr($export, 0, -1) . "\n";
}
return $export;
}
/**
* Builds a TSV file from a given data structure and triggers its download.
* It DOES NOT exit the current script but only outputs the correct headers
* and data.
*
* @param string $filename The name of the file to be downloaded.
* @param array $data A two-dimensional array containing the data
* set.
* @param boolean $header If true, the rows of $data are associative
* arrays with field names as their keys.
*/
function exportFile($filename, $data, $header = false)
{
$export = $this->exportData($data, $header);
$GLOBALS['browser']->downloadHeaders($filename, 'text/tab-separated-values', false, strlen($export));
echo $export;
}
/**
* Takes all necessary actions for the given import step, parameters and
* form values and returns the next necessary step.
*
* @param integer $action The current step. One of the IMPORT_* constants.
* @param array $param An associative array containing needed
* parameters for the current step.
*
* @return mixed Either the next step as an integer constant or imported
* data set after the final step.
*/
function nextStep($action, $param = array())
{
switch ($action) {
case IMPORT_FILE:
$next_step = parent::nextStep($action, $param);
if (is_a($next_step, 'PEAR_Error')) {
return $next_step;
}
if ($_SESSION['import_data']['format'] == 'mulberry' ||
$_SESSION['import_data']['format'] == 'pine') {
$_SESSION['import_data']['data'] = $this->importFile($_FILES['import_file']['tmp_name']);
$format = $_SESSION['import_data']['format'];
if ($format == 'mulberry') {
$appKeys = array('alias', 'name', 'email', 'company', 'workAddress', 'workPhone', 'homePhone', 'fax', 'notes');
$dataKeys = array(0, 1, 2, 3, 4, 5, 6, 7, 9);
} elseif ($format == 'pine') {
$appKeys = array('alias', 'name', 'email', 'notes');
$dataKeys = array(0, 1, 2, 4);
}
foreach ($appKeys as $key => $app) {
$map[$dataKeys[$key]] = $app;
}
$data = array();
foreach ($_SESSION['import_data']['data'] as $row) {
$hash = array();
if ($format == 'mulberry') {
if (preg_match("/^Grp:/", $row[0])) {
continue;
}
$row[1] = preg_replace('/^([^,"]+),\s*(.*)$/', '$2 $1', $row[1]);
foreach ($dataKeys as $key) {
if (array_key_exists($key, $row)) {
$hash[$key] = stripslashes(preg_replace('/\\\\r/', "\n", $row[$key]));
}
}
} elseif ($format == 'pine') {
if (count($row) < 3 || preg_match("/^#DELETED/", $row[0]) || preg_match("/[()]/", $row[2])) {
continue;
}
$row[1] = preg_replace('/^([^,"]+),\s*(.*)$/', '$2 $1', $row[1]);
/* Address can be a full RFC822 address */
require_once 'Mail/RFC822.php';
$addr_arr = Mail_RFC822::parseAddressList($row[2]);
if (empty($addr_arr[0]->mailbox)) {
continue;
}
$row[2] = $addr_arr[0]->mailbox . '@' . $addr_arr[0]->host;
if (empty($row[1]) && !empty($addr_arr[0]->personal)) {
$row[1] = $addr_arr[0]->personal;
}
foreach ($dataKeys as $key) {
if (array_key_exists($key, $row)) {
$hash[$key] = $row[$key];
}
}
}
$data[] = $hash;
}
$_SESSION['import_data']['data'] = $data;
$_SESSION['import_data']['map'] = $map;
$ret = $this->nextStep(IMPORT_DATA, $param);
return $ret;
}
/* Move uploaded file so that we can read it again in the next step
after the user gave some format details. */
$uploaded = Browser::wasFileUploaded('import_file', _("TSV file"));
if (is_a($uploaded, 'PEAR_Error')) {
return PEAR::raiseError($uploaded->getMessage());
}
$file_name = Horde::getTempFile('import', false);
if (!move_uploaded_file($_FILES['import_file']['tmp_name'], $file_name)) {
return PEAR::raiseError(_("The uploaded file could not be saved."));
}
$_SESSION['import_data']['file_name'] = $file_name;
/* Read the file's first two lines to show them to the user. */
$_SESSION['import_data']['first_lines'] = '';
$fp = @fopen($file_name, 'r');
if ($fp) {
$line_no = 1;
while ($line_no < 3 && $line = fgets($fp)) {
$newline = String::length($line) > 100 ? "\n" : '';
$_SESSION['import_data']['first_lines'] .= substr($line, 0, 100) . $newline;
$line_no++;
}
}
return IMPORT_TSV;
break;
case IMPORT_TSV:
$_SESSION['import_data']['header'] = Util::getFormData('header');
$import_data = $this->importFile($_SESSION['import_data']['file_name'],
$_SESSION['import_data']['header']);
$_SESSION['import_data']['data'] = $import_data;
unset($_SESSION['import_data']['map']);
return IMPORT_MAPPED;
break;
default:
return parent::nextStep($action, $param);
break;
}
}
}
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