getCsvSettings($delimiter, $enclosure);
if ($ret) {
echo "found delimiter = ".$delimiter."
";
echo "found enclosure = ".$enclosure."
";
} else {
echo "couldn't find settings
";
}
$ret = $auto->hasHeader($heading);
if ($ret) {
$header = $heading?'true':'false';
echo "found heading = ".$header."
";
} else {
echo "couldn't determine header info
";
}
$date_format = $auto->getDateFormat();
if ($date_format) {
echo "found date format=".$date_format."
";
} else {
echo "couldn't find date format
";
}
$time_format = $auto->getTimeFormat();
if ($time_format) {
echo "found time format=".$time_format."
";
} else {
echo "couldn't find time format
";
}
*/
require_once('include/parsecsv.lib.php');
class CsvAutoDetect {
protected $_parser = null;
protected $_csv_file = null;
protected $_max_depth = 15;
protected $_parsed = false;
static protected $_date_formats = array(
'm/d/Y' => "/^(0?[1-9]|1[012])\/(0?[1-9]|[12][0-9]|3[01])\/\d\d\d\d/", // 12/23/2010 or 3/23/2010
'd/m/Y' => "/^(0?[1-9]|[12][0-9]|3[01])\/(0?[1-9]|1[012])\/\d\d\d\d/", // 23/12/2010 or 23/3/2010
'Y/m/d' => "/^\d\d\d\d\/(0?[1-9]|1[012])\/(0?[1-9]|[12][0-9]|3[01])/", // 2010/12/23 or 2010/3/23
'm-d-Y' => "/^(0?[1-9]|1[012])-(0?[1-9]|[12][0-9]|3[01])-\d\d\d\d/", // 12-23-2010 or 3-23-2010
'd-m-Y' => "/^(0?[1-9]|[12][0-9]|3[01])-(0?[1-9]|1[012])-\d\d\d\d/", // 23-12-2010 or 23-3-2010
'Y-m-d' => "/^\d\d\d\d-(0?[1-9]|1[012])-(0?[1-9]|[12][0-9]|3[01])/", // 2010-12-23 or 2010-3-23
'm.d.Y' => "/^(0?[1-9]|1[012])\.(0?[1-9]|[12][0-9]|3[01])\.\d\d\d\d/", // 12.23.2010 or 3.23.2010
'd.m.Y' => "/^(0?[1-9]|[12][0-9]|3[01])\.(0?[1-9]|1[012])\.\d\d\d\d/", // 23.12.2010 or 23.3.2010
'Y.m.d' => "/^\d\d\d\d\.(0?[1-9]|1[012])\.(0?[1-9]|[12][0-9]|3[01])/", // 2010.12.23 or 2010.3.23
);
static protected $_time_formats = array(
'h:ia' => "/(^| )(0?[0-9]|1[0-2]):(0?[0-9]|[1-5][0-9])(:0?[0-9]|[1-5][0-9])?[am|pm]/", // 11:00pm or 11:00:00pm or 9:3pm
'h:iA' => "/(^| )(0?[0-9]|1[0-2]):(0?[0-9]|[1-5][0-9])(:0?[0-9]|[1-5][0-9])?[AM|PM]/", // 11:00PM or 11:00:00PM or 9:3PM
'h:i a' => "/(^| )(0?[0-9]|1[0-2]):(0?[0-9]|[1-5][0-9])(:0?[0-9]|[1-5][0-9])? [am|pm]/", // 11:00 pm or 11:00:00 pm or 9:3 pm
'h:i A' => "/(^| )(0?[0-9]|1[0-2]):(0?[0-9]|[1-5][0-9])(:0?[0-9]|[1-5][0-9])? [AM|PM]/", // 11:00 PM or 11:00:00 PM or 9:3 PM
'H:i' => "/(^| )(0?[0-9]|1[0-9]|2[0-4]):(0?[0-9]|[1-5][0-9])(:0?[0-9]|[1-5][0-9])?/", // 23:00 or 23:00:00 or 9:3
'h.ia' => "/(^| )(0?[0-9]|1[0-2])\.(0?[0-9]|[1-5][0-9])(\.0?[0-9]|[1-5][0-9])?[am|pm]/", // 11.00pm or 11.00.00pm or 9.3pm
'h.iA' => "/(^| )(0?[0-9]|1[0-2])\.(0?[0-9]|[1-5][0-9])(\.0?[0-9]|[1-5][0-9])?[AM|PM]/", // 11.00PM or 11.00.00PM or 9.3PM
'h.i a' => "/(^| )(0?[0-9]|1[0-2])\.(0?[0-9]|[1-5][0-9])(\.0?[0-9]|[1-5][0-9])? [am|pm]/", // 11.00 pm or 11.00.00 pm or 9.3 pm
'h.i A' => "/(^| )(0?[0-9]|1[0-2])\.(0?[0-9]|[1-5][0-9])(\.0?[0-9]|[1-5][0-9])? [AM|PM]/", // 11.00 PM or 11.00.00 PM or 9.3 PM
'H.i' => "/(^| )(0?[0-9]|1[0-9]|2[0-4])\.(0?[0-9]|[1-5][0-9])(\.0?[0-9]|[1-5][0-9])?/", // 23.00 or 23.00.00 or 9.3
);
/**
* Constructor
*
* @param string $csv_filename
* @param int $max_depth
*/
public function __construct($csv_filename, $max_depth = 2) {
$this->_csv_file = $csv_filename;
$this->_parser = new parseCSV();
$this->_parser->auto_depth = $max_depth;
$this->_max_depth = $max_depth;
}
/**
* To get the possible csv settings (delimiter, enclosure).
* This function causes CSV to be parsed.
* So call this function before calling others.
*
* @param string $delimiter
* @param string $enclosure
* @return bool true if settings are found, false otherwise
*/
public function getCsvSettings(&$delimiter, &$enclosure) {
// try parsing the file to find possible delimiter and enclosure
$this->_parser->heading = false;
$found_setting = false;
$singleQuoteParsedOK = $doubleQuoteParsedOK = false;
$beginEndWithSingle = $beginEndWithDouble = false;
// check double quotes first
$depth = 1;
$enclosure = "\"";
$delimiter1 = $this->_parser->auto($this->_csv_file, true, null, null, $enclosure);
if (strlen($delimiter1) == 1) { // this means parsing ok
$doubleQuoteParsedOK = true;
// sometimes it parses ok with either single quote or double quote as enclosure
// so we need to make sure the data do not begin and end with the other enclosure
foreach ($this->_parser->data as &$row) {
foreach ($row as &$data) {
$len = strlen($data);
// check if it begins and ends with single quotes
// if it does, then it double quotes may not be the enclosure
if ($len>=2 && $data[0] == "'" && $data[$len-1] == "'") {
$beginEndWithSingle = true;
break;
}
}
if ($beginEndWithSingle) {
break;
}
$depth++;
if ($depth > $this->_max_depth) {
break;
}
}
if (!$beginEndWithSingle) {
$delimiter = $delimiter1;
$found_setting = true;
}
}
// check single quotes
if (!$found_setting) {
$depth = 1;
$enclosure = "'";
$delimiter2 = $this->_parser->auto($this->_csv_file, true, null, null, $enclosure);
if (strlen($delimiter2) == 1) { // this means parsing ok
$singleQuoteParsedOK = true;
foreach ($this->_parser->data as &$row) {
foreach ($row as &$data) {
$len = strlen($data);
// check if it begins and ends with double quotes
// if it does, then it single quotes may not be the enclosure
if ($len>=2 && $data[0] == "\"" && $data[$len-1] == "\"") {
$beginEndWithDouble = true;
break;
}
}
if ($beginEndWithDouble) {
break;
}
$depth++;
if ($depth > $this->_max_depth) {
break;
}
}
if (!$beginEndWithDouble) {
$delimiter = $delimiter2;
$found_setting = true;
}
}
}
if (!$found_setting) {
// we don't seem to have a perfect enclosure candidate
// let's pick one of the possible candidates
if ($doubleQuoteParsedOK) {
// if double quotes parsed ok, let's take that
$delimiter = $delimiter1;
$enclosure = "\"";
$found_setting = true;
} else if ($singleQuoteParsedOK) {
// otherwise, if single quote parsed ok, let's use it
$delimiter = $delimiter2;
$enclosure = "'";
$found_setting = true;
}
}
if (!$found_setting) {
return false;
}
$this->_parsed = true;
return true;
}
/**
* To check CSV heading
*
* @param bool $heading true of it has header, false if not
* @return bool true if header is found, false if error
*/
public function hasHeader(&$heading, $module) {
if (!$this->_parsed) {
return false;
}
$total_count = count($this->_parser->data[0]);
if ($total_count == 0) {
return false;
}
if (!isset($GLOBALS['beanList'][$module])) {
return false;
}
$bean = new $GLOBALS['beanList'][$module]();
$match_count = 0;
$mod_strings = return_module_language($GLOBALS['current_language'], $module);
// process only the first row
foreach ($this->_parser->data[0] as $val) {
// bug51433 - everything relies on $val having a value so if it's empty,
// we can skip this iteration and not get warnings
if( !empty( $val ) )
{
foreach ($bean->field_defs as $field_name=>$defs) {
// check if the CSV item matches field name
if (!strcasecmp($val, $field_name)) {
$match_count++;
break;
}
// check if the CSV item is part of the label or vice versa
else if (isset($defs['vname']) && isset($mod_strings[$defs['vname']])) {
if (stripos(trim($mod_strings[$defs['vname']],':'), $val) !== false || stripos($val, trim($mod_strings[$defs['vname']],':')) !== false) {
$match_count++;
break;
}
}
else if (isset($defs['vname']) && isset($GLOBALS['app_strings'][$defs['vname']])) {
if (stripos(trim($GLOBALS['app_strings'][$defs['vname']],':'), $val) !== false || stripos($val, trim($GLOBALS['app_strings'][$defs['vname']],':')) !== false) {
$match_count++;
break;
}
}
}
}
}
// if more than 50% matched, consider it a header
if ($match_count/$total_count >= 0.5) {
$heading = true;
} else {
$heading = false;
}
return true;
}
/**
* To get the possible format (for date or time)
*
* @param array $formats
* @return mixed possible format if found, false otherwise
*/
protected function getFormat(&$formats) {
if (!$this->_parsed) {
return false;
}
$depth = 1;
foreach ($this->_parser->data as $row) {
foreach ($row as $val) {
foreach ($formats as $format=>$regex) {
$ret = preg_match($regex, $val);
if ($ret) {
return $format;
}
}
}
// give up if reaching max depth
$depth++;
if ($depth > $this->_max_depth) {
break;
}
}
return false;
}
/**
* To get the possible date format used in the csv file
*
* @return mixed possible date format if found, false otherwise
*/
public function getDateFormat() {
$format = $this->getFormat(self::$_date_formats);
return $format;
}
/**
* To get the possible time format used in the csv file
*
* @return mixed possible time format if found, false otherwise
*/
public function getTimeFormat() {
$format = $this->getFormat(self::$_time_formats);
return $format;
}
}
?>