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ran php-cs-fixer fix . --level=psr2
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@thoroc
thoroc committed Dec 7, 2015
1 parent 88fa18f commit d8695d3
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Showing 12 changed files with 6,786 additions and 6,663 deletions.
361 changes: 181 additions & 180 deletions class.writeexcel_biffwriter.inc.php
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Original file line number Diff line number Diff line change
Expand Up @@ -23,184 +23,185 @@
* Spreadsheet::WriteExcel was written by John McNamara, [email protected]
*/

class writeexcel_biffwriter {
protected $byte_order;
protected $BIFF_version;
protected $_byte_order;
protected $_data;
protected $_datasize;
protected $_limit;
protected $_debug;

/*
* Constructor
*/
function writeexcel_biffwriter() {

$this->byte_order = '';
$this->BIFF_version = 0x0500;
$this->_byte_order = '';
$this->_data = false;
$this->_datasize = 0;
$this->_limit = 2080;

$this->_set_byte_order();
}

/*
* Determine the byte order and store it as class data to avoid
* recalculating it for each call to new().
*/
function _set_byte_order() {
$this->byteorder=0;
// Check if "pack" gives the required IEEE 64bit float
$teststr = pack("d", 1.2345);
$number = pack("C8", 0x8D, 0x97, 0x6E, 0x12, 0x83, 0xC0, 0xF3, 0x3F);

if ($number == $teststr) {
$this->byte_order = 0; // Little Endian
} elseif ($number == strrev($teststr)) {
$this->byte_order = 1; // Big Endian
} else {
// Give up
trigger_error("Required floating point format not supported ".
"on this platform. See the portability section ".
"of the documentation.", E_USER_ERROR);
}

$this->_byte_order = $this->byte_order;
}

/*
* General storage function
*/
function _prepend($data) {

if (func_num_args()>1) {
trigger_error("writeexcel_biffwriter::_prepend() ".
"called with more than one argument", E_USER_ERROR);
}

if ($this->_debug) {
print "*** writeexcel_biffwriter::_prepend() called:";
for ($c=0;$c<strlen($data);$c++) {
if ($c%16==0) {
print "\n";
}
printf("%02X ", ord($data[$c]));
}
print "\n";
}

if (strlen($data) > $this->_limit) {
$data = $this->_add_continue($data);
}

$this->_data = $data . $this->_data;
$this->_datasize += strlen($data);
}

/*
* General storage function
*/
function _append($data) {

if (func_num_args()>1) {
trigger_error("writeexcel_biffwriter::_append() ".
"called with more than one argument", E_USER_ERROR);
}

if ($this->_debug) {
print "*** writeexcel_biffwriter::_append() called:";
for ($c=0;$c<strlen($data);$c++) {
if ($c%16==0) {
print "\n";
}
printf("%02X ", ord($data[$c]));
}
print "\n";
}

if (strlen($data) > $this->_limit) {
$data = $this->_add_continue($data);
}

$this->_data = $this->_data . $data;
$this->_datasize += strlen($data);
}

/*
* Writes Excel BOF record to indicate the beginning of a stream or
* sub-stream in the BIFF file.
*
* $type = 0x0005, Workbook
* $type = 0x0010, Worksheet
*/
function _store_bof($type) {

$record = 0x0809; // Record identifier
$length = 0x0008; // Number of bytes to follow

$version = $this->BIFF_version;

// According to the SDK $build and $year should be set to zero.
// However, this throws a warning in Excel 5. So, use these
// magic numbers.
$build = 0x096C;
$year = 0x07C9;

$header = pack("vv", $record, $length);
$data = pack("vvvv", $version, $type, $build, $year);

$this->_prepend($header . $data);
}

/*
* Writes Excel EOF record to indicate the end of a BIFF stream.
*/
function _store_eof() {

$record = 0x000A; // Record identifier
$length = 0x0000; // Number of bytes to follow

$header = pack("vv", $record, $length);

$this->_append($header);
}

/*
* Excel limits the size of BIFF records. In Excel 5 the limit is 2084
* bytes. In Excel 97 the limit is 8228 bytes. Records that are longer
* than these limits must be split up into CONTINUE blocks.
*
* This function take a long BIFF record and inserts CONTINUE records as
* necessary.
*/
function _add_continue($data) {

$limit = $this->_limit;
$record = 0x003C; // Record identifier

// The first 2080/8224 bytes remain intact. However, we have to change
// the length field of the record.
$tmp = substr($data, 0, $limit);
$data = substr($data, $limit);
$tmp = substr($tmp, 0, 2) . pack ("v", $limit-4) . substr($tmp, 4);

// Strip out chunks of 2080/8224 bytes +4 for the header.
while (strlen($data) > $limit) {
$header = pack("vv", $record, $limit);
$tmp .= $header;
$tmp .= substr($data, 0, $limit);
$data = substr($data, $limit);
}

// Mop up the last of the data
$header = pack("vv", $record, strlen($data));
$tmp .= $header;
$tmp .= $data;

return $tmp;
}

class writeexcel_biffwriter
{
protected $byte_order;
protected $BIFF_version;
protected $_byte_order;
protected $_data;
protected $_datasize;
protected $_limit;
protected $_debug;

/*
* Constructor
*/
public function writeexcel_biffwriter()
{
$this->byte_order = '';
$this->BIFF_version = 0x0500;
$this->_byte_order = '';
$this->_data = false;
$this->_datasize = 0;
$this->_limit = 2080;

$this->_set_byte_order();
}

/*
* Determine the byte order and store it as class data to avoid
* recalculating it for each call to new().
*/
public function _set_byte_order()
{
$this->byteorder=0;
// Check if "pack" gives the required IEEE 64bit float
$teststr = pack("d", 1.2345);
$number = pack("C8", 0x8D, 0x97, 0x6E, 0x12, 0x83, 0xC0, 0xF3, 0x3F);

if ($number == $teststr) {
$this->byte_order = 0; // Little Endian
} elseif ($number == strrev($teststr)) {
$this->byte_order = 1; // Big Endian
} else {
// Give up
trigger_error("Required floating point format not supported ".
"on this platform. See the portability section ".
"of the documentation.", E_USER_ERROR);
}

$this->_byte_order = $this->byte_order;
}

/*
* General storage function
*/
public function _prepend($data)
{
if (func_num_args()>1) {
trigger_error("writeexcel_biffwriter::_prepend() ".
"called with more than one argument", E_USER_ERROR);
}

if ($this->_debug) {
print "*** writeexcel_biffwriter::_prepend() called:";
for ($c=0;$c<strlen($data);$c++) {
if ($c%16==0) {
print "\n";
}
printf("%02X ", ord($data[$c]));
}
print "\n";
}

if (strlen($data) > $this->_limit) {
$data = $this->_add_continue($data);
}

$this->_data = $data . $this->_data;
$this->_datasize += strlen($data);
}

/*
* General storage function
*/
public function _append($data)
{
if (func_num_args()>1) {
trigger_error("writeexcel_biffwriter::_append() ".
"called with more than one argument", E_USER_ERROR);
}

if ($this->_debug) {
print "*** writeexcel_biffwriter::_append() called:";
for ($c=0;$c<strlen($data);$c++) {
if ($c%16==0) {
print "\n";
}
printf("%02X ", ord($data[$c]));
}
print "\n";
}

if (strlen($data) > $this->_limit) {
$data = $this->_add_continue($data);
}

$this->_data = $this->_data . $data;
$this->_datasize += strlen($data);
}

/*
* Writes Excel BOF record to indicate the beginning of a stream or
* sub-stream in the BIFF file.
*
* $type = 0x0005, Workbook
* $type = 0x0010, Worksheet
*/
public function _store_bof($type)
{
$record = 0x0809; // Record identifier
$length = 0x0008; // Number of bytes to follow

$version = $this->BIFF_version;

// According to the SDK $build and $year should be set to zero.
// However, this throws a warning in Excel 5. So, use these
// magic numbers.
$build = 0x096C;
$year = 0x07C9;

$header = pack("vv", $record, $length);
$data = pack("vvvv", $version, $type, $build, $year);

$this->_prepend($header . $data);
}

/*
* Writes Excel EOF record to indicate the end of a BIFF stream.
*/
public function _store_eof()
{
$record = 0x000A; // Record identifier
$length = 0x0000; // Number of bytes to follow

$header = pack("vv", $record, $length);

$this->_append($header);
}

/*
* Excel limits the size of BIFF records. In Excel 5 the limit is 2084
* bytes. In Excel 97 the limit is 8228 bytes. Records that are longer
* than these limits must be split up into CONTINUE blocks.
*
* This function take a long BIFF record and inserts CONTINUE records as
* necessary.
*/
public function _add_continue($data)
{
$limit = $this->_limit;
$record = 0x003C; // Record identifier

// The first 2080/8224 bytes remain intact. However, we have to change
// the length field of the record.
$tmp = substr($data, 0, $limit);
$data = substr($data, $limit);
$tmp = substr($tmp, 0, 2) . pack("v", $limit-4) . substr($tmp, 4);

// Strip out chunks of 2080/8224 bytes +4 for the header.
while (strlen($data) > $limit) {
$header = pack("vv", $record, $limit);
$tmp .= $header;
$tmp .= substr($data, 0, $limit);
$data = substr($data, $limit);
}

// Mop up the last of the data
$header = pack("vv", $record, strlen($data));
$tmp .= $header;
$tmp .= $data;

return $tmp;
}
}
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