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Root.php @ 1

Last change on this file since 1 was 1, checked in by dungnv, 11 years ago

File size: 13.9 KB

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1	<?php
2	/* vim: set expandtab tabstop=4 shiftwidth=4: */
3	// +----------------------------------------------------------------------+
4	// \| PHP Version 4 \|
5	// +----------------------------------------------------------------------+
6	// \| Copyright (c) 1997-2002 The PHP Group \|
7	// +----------------------------------------------------------------------+
8	// \| This source file is subject to version 2.02 of the PHP license, \|
9	// \| that is bundled with this package in the file LICENSE, and is \|
10	// \| available at through the world-wide-web at \|
11	// \| http://www.php.net/license/2_02.txt. \|
12	// \| If you did not receive a copy of the PHP license and are unable to \|
13	// \| obtain it through the world-wide-web, please send a note to \|
14	// \| license@php.net so we can mail you a copy immediately. \|
15	// +----------------------------------------------------------------------+
16	// \| Author: Xavier Noguer <xnoguer@php.net> \|
17	// \| Based on OLE::Storage_Lite by Kawai, Takanori \|
18	// +----------------------------------------------------------------------+
19	//
20	// $Id: Root.php,v 1.9 2005/04/23 21:53:49 dufuz Exp $
21
22
23	/**
24	* Class for creating Root PPS's for OLE containers
25	*
26	* @author Xavier Noguer <xnoguer@php.net>
27	* @category PHPExcel
28	* @package PHPExcel_Shared_OLE
29	*/
30	class PHPExcel_Shared_OLE_PPS_Root extends PHPExcel_Shared_OLE_PPS
31	{
32
33	/**
34	* Directory for temporary files
35	* @var string
36	*/
37	protected $_tmp_dir = NULL;
38
39	/**
40	* @param integer $time_1st A timestamp
41	* @param integer $time_2nd A timestamp
42	*/
43	public function __construct($time_1st, $time_2nd, $raChild)
44	{
45	$this->_tempDir = PHPExcel_Shared_File::sys_get_temp_dir();
46
47	parent::__construct(
48	null,
49	PHPExcel_Shared_OLE::Asc2Ucs('Root Entry'),
50	PHPExcel_Shared_OLE::OLE_PPS_TYPE_ROOT,
51	null,
52	null,
53	null,
54	$time_1st,
55	$time_2nd,
56	null,
57	$raChild);
58	}
59
60	/**
61	* Method for saving the whole OLE container (including files).
62	* In fact, if called with an empty argument (or '-'), it saves to a
63	* temporary file and then outputs it's contents to stdout.
64	* If a resource pointer to a stream created by fopen() is passed
65	* it will be used, but you have to close such stream by yourself.
66	*
67	* @param string\|resource $filename The name of the file or stream where to save the OLE container.
68	* @access public
69	* @return mixed true on success
70	*/
71	public function save($filename)
72	{
73	// Initial Setting for saving
74	$this->_BIG_BLOCK_SIZE = pow(2,
75	((isset($this->_BIG_BLOCK_SIZE))? self::_adjust2($this->_BIG_BLOCK_SIZE) : 9));
76	$this->_SMALL_BLOCK_SIZE= pow(2,
77	((isset($this->_SMALL_BLOCK_SIZE))? self::_adjust2($this->_SMALL_BLOCK_SIZE): 6));
78
79	if (is_resource($filename)) {
80	$this->_FILEH_ = $filename;
81	} else if ($filename == '-' \|\| $filename == '') {
82	if ($this->_tmp_dir === NULL)
83	$this->_tmp_dir = PHPExcel_Shared_File::sys_get_temp_dir();
84	$this->_tmp_filename = tempnam($this->_tmp_dir, "OLE_PPS_Root");
85	$this->_FILEH_ = fopen($this->_tmp_filename,"w+b");
86	if ($this->_FILEH_ == false) {
87	throw new PHPExcel_Writer_Exception("Can't create temporary file.");
88	}
89	} else {
90	$this->_FILEH_ = fopen($filename, "wb");
91	}
92	if ($this->_FILEH_ == false) {
93	throw new PHPExcel_Writer_Exception("Can't open $filename. It may be in use or protected.");
94	}
95	// Make an array of PPS's (for Save)
96	$aList = array();
97	PHPExcel_Shared_OLE_PPS::_savePpsSetPnt($aList, array($this));
98	// calculate values for header
99	list($iSBDcnt, $iBBcnt, $iPPScnt) = $this->_calcSize($aList); //, $rhInfo);
100	// Save Header
101	$this->_saveHeader($iSBDcnt, $iBBcnt, $iPPScnt);
102
103	// Make Small Data string (write SBD)
104	$this->_data = $this->_makeSmallData($aList);
105
106	// Write BB
107	$this->_saveBigData($iSBDcnt, $aList);
108	// Write PPS
109	$this->_savePps($aList);
110	// Write Big Block Depot and BDList and Adding Header informations
111	$this->_saveBbd($iSBDcnt, $iBBcnt, $iPPScnt);
112
113	if (!is_resource($filename)) {
114	fclose($this->_FILEH_);
115	}
116
117	return true;
118	}
119
120	/**
121	* Calculate some numbers
122	*
123	* @access public
124	* @param array $raList Reference to an array of PPS's
125	* @return array The array of numbers
126	*/
127	public function _calcSize(&$raList)
128	{
129	// Calculate Basic Setting
130	list($iSBDcnt, $iBBcnt, $iPPScnt) = array(0,0,0);
131	$iSmallLen = 0;
132	$iSBcnt = 0;
133	$iCount = count($raList);
134	for ($i = 0; $i < $iCount; ++$i) {
135	if ($raList[$i]->Type == PHPExcel_Shared_OLE::OLE_PPS_TYPE_FILE) {
136	$raList[$i]->Size = $raList[$i]->_DataLen();
137	if ($raList[$i]->Size < PHPExcel_Shared_OLE::OLE_DATA_SIZE_SMALL) {
138	$iSBcnt += floor($raList[$i]->Size / $this->_SMALL_BLOCK_SIZE)
139	+ (($raList[$i]->Size % $this->_SMALL_BLOCK_SIZE)? 1: 0);
140	} else {
141	$iBBcnt += (floor($raList[$i]->Size / $this->_BIG_BLOCK_SIZE) +
142	(($raList[$i]->Size % $this->_BIG_BLOCK_SIZE)? 1: 0));
143	}
144	}
145	}
146	$iSmallLen = $iSBcnt * $this->_SMALL_BLOCK_SIZE;
147	$iSlCnt = floor($this->_BIG_BLOCK_SIZE / PHPExcel_Shared_OLE::OLE_LONG_INT_SIZE);
148	$iSBDcnt = floor($iSBcnt / $iSlCnt) + (($iSBcnt % $iSlCnt)? 1:0);
149	$iBBcnt += (floor($iSmallLen / $this->_BIG_BLOCK_SIZE) +
150	(( $iSmallLen % $this->_BIG_BLOCK_SIZE)? 1: 0));
151	$iCnt = count($raList);
152	$iBdCnt = $this->_BIG_BLOCK_SIZE / PHPExcel_Shared_OLE::OLE_PPS_SIZE;
153	$iPPScnt = (floor($iCnt/$iBdCnt) + (($iCnt % $iBdCnt)? 1: 0));
154
155	return array($iSBDcnt, $iBBcnt, $iPPScnt);
156	}
157
158	/**
159	* Helper function for caculating a magic value for block sizes
160	*
161	* @access public
162	* @param integer $i2 The argument
163	* @see save()
164	* @return integer
165	*/
166	private static function _adjust2($i2)
167	{
168	$iWk = log($i2)/log(2);
169	return ($iWk > floor($iWk))? floor($iWk)+1:$iWk;
170	}
171
172	/**
173	* Save OLE header
174	*
175	* @access public
176	* @param integer $iSBDcnt
177	* @param integer $iBBcnt
178	* @param integer $iPPScnt
179	*/
180	public function _saveHeader($iSBDcnt, $iBBcnt, $iPPScnt)
181	{
182	$FILE = $this->_FILEH_;
183
184	// Calculate Basic Setting
185	$iBlCnt = $this->_BIG_BLOCK_SIZE / PHPExcel_Shared_OLE::OLE_LONG_INT_SIZE;
186	$i1stBdL = ($this->_BIG_BLOCK_SIZE - 0x4C) / PHPExcel_Shared_OLE::OLE_LONG_INT_SIZE;
187
188	$iBdExL = 0;
189	$iAll = $iBBcnt + $iPPScnt + $iSBDcnt;
190	$iAllW = $iAll;
191	$iBdCntW = floor($iAllW / $iBlCnt) + (($iAllW % $iBlCnt)? 1: 0);
192	$iBdCnt = floor(($iAll + $iBdCntW) / $iBlCnt) + ((($iAllW+$iBdCntW) % $iBlCnt)? 1: 0);
193
194	// Calculate BD count
195	if ($iBdCnt > $i1stBdL) {
196	while (1) {
197	++$iBdExL;
198	++$iAllW;
199	$iBdCntW = floor($iAllW / $iBlCnt) + (($iAllW % $iBlCnt)? 1: 0);
200	$iBdCnt = floor(($iAllW + $iBdCntW) / $iBlCnt) + ((($iAllW+$iBdCntW) % $iBlCnt)? 1: 0);
201	if ($iBdCnt <= ($iBdExL*$iBlCnt+ $i1stBdL)) {
202	break;
203	}
204	}
205	}
206
207	// Save Header
208	fwrite($FILE,
209	"\xD0\xCF\x11\xE0\xA1\xB1\x1A\xE1"
210	. "\x00\x00\x00\x00"
211	. "\x00\x00\x00\x00"
212	. "\x00\x00\x00\x00"
213	. "\x00\x00\x00\x00"
214	. pack("v", 0x3b)
215	. pack("v", 0x03)
216	. pack("v", -2)
217	. pack("v", 9)
218	. pack("v", 6)
219	. pack("v", 0)
220	. "\x00\x00\x00\x00"
221	. "\x00\x00\x00\x00"
222	. pack("V", $iBdCnt)
223	. pack("V", $iBBcnt+$iSBDcnt) //ROOT START
224	. pack("V", 0)
225	. pack("V", 0x1000)
226	. pack("V", $iSBDcnt ? 0 : -2) //Small Block Depot
227	. pack("V", $iSBDcnt)
228	);
229	// Extra BDList Start, Count
230	if ($iBdCnt < $i1stBdL) {
231	fwrite($FILE,
232	pack("V", -2) // Extra BDList Start
233	. pack("V", 0) // Extra BDList Count
234	);
235	} else {
236	fwrite($FILE, pack("V", $iAll+$iBdCnt) . pack("V", $iBdExL));
237	}
238
239	// BDList
240	for ($i = 0; $i < $i1stBdL && $i < $iBdCnt; ++$i) {
241	fwrite($FILE, pack("V", $iAll+$i));
242	}
243	if ($i < $i1stBdL) {
244	$jB = $i1stBdL - $i;
245	for ($j = 0; $j < $jB; ++$j) {
246	fwrite($FILE, (pack("V", -1)));
247	}
248	}
249	}
250
251	/**
252	* Saving big data (PPS's with data bigger than PHPExcel_Shared_OLE::OLE_DATA_SIZE_SMALL)
253	*
254	* @access public
255	* @param integer $iStBlk
256	* @param array &$raList Reference to array of PPS's
257	*/
258	public function _saveBigData($iStBlk, &$raList)
259	{
260	$FILE = $this->_FILEH_;
261
262	// cycle through PPS's
263	$iCount = count($raList);
264	for ($i = 0; $i < $iCount; ++$i) {
265	if ($raList[$i]->Type != PHPExcel_Shared_OLE::OLE_PPS_TYPE_DIR) {
266	$raList[$i]->Size = $raList[$i]->_DataLen();
267	if (($raList[$i]->Size >= PHPExcel_Shared_OLE::OLE_DATA_SIZE_SMALL) \|\|
268	(($raList[$i]->Type == PHPExcel_Shared_OLE::OLE_PPS_TYPE_ROOT) && isset($raList[$i]->_data)))
269	{
270	// Write Data
271	//if (isset($raList[$i]->_PPS_FILE)) {
272	// $iLen = 0;
273	// fseek($raList[$i]->_PPS_FILE, 0); // To The Top
274	// while($sBuff = fread($raList[$i]->_PPS_FILE, 4096)) {
275	// $iLen += strlen($sBuff);
276	// fwrite($FILE, $sBuff);
277	// }
278	//} else {
279	fwrite($FILE, $raList[$i]->_data);
280	//}
281
282	if ($raList[$i]->Size % $this->_BIG_BLOCK_SIZE) {
283	fwrite($FILE, str_repeat("\x00", $this->_BIG_BLOCK_SIZE - ($raList[$i]->Size % $this->_BIG_BLOCK_SIZE)));
284	}
285	// Set For PPS
286	$raList[$i]->_StartBlock = $iStBlk;
287	$iStBlk +=
288	(floor($raList[$i]->Size / $this->_BIG_BLOCK_SIZE) +
289	(($raList[$i]->Size % $this->_BIG_BLOCK_SIZE)? 1: 0));
290	}
291	// Close file for each PPS, and unlink it
292	//if (isset($raList[$i]->_PPS_FILE)) {
293	// fclose($raList[$i]->_PPS_FILE);
294	// $raList[$i]->_PPS_FILE = null;
295	// unlink($raList[$i]->_tmp_filename);
296	//}
297	}
298	}
299	}
300
301	/**
302	* get small data (PPS's with data smaller than PHPExcel_Shared_OLE::OLE_DATA_SIZE_SMALL)
303	*
304	* @access public
305	* @param array &$raList Reference to array of PPS's
306	*/
307	public function _makeSmallData(&$raList)
308	{
309	$sRes = '';
310	$FILE = $this->_FILEH_;
311	$iSmBlk = 0;
312
313	$iCount = count($raList);
314	for ($i = 0; $i < $iCount; ++$i) {
315	// Make SBD, small data string
316	if ($raList[$i]->Type == PHPExcel_Shared_OLE::OLE_PPS_TYPE_FILE) {
317	if ($raList[$i]->Size <= 0) {
318	continue;
319	}
320	if ($raList[$i]->Size < PHPExcel_Shared_OLE::OLE_DATA_SIZE_SMALL) {
321	$iSmbCnt = floor($raList[$i]->Size / $this->_SMALL_BLOCK_SIZE)
322	+ (($raList[$i]->Size % $this->_SMALL_BLOCK_SIZE)? 1: 0);
323	// Add to SBD
324	$jB = $iSmbCnt - 1;
325	for ($j = 0; $j < $jB; ++$j) {
326	fwrite($FILE, pack("V", $j+$iSmBlk+1));
327	}
328	fwrite($FILE, pack("V", -2));
329
330	//// Add to Data String(this will be written for RootEntry)
331	//if ($raList[$i]->_PPS_FILE) {
332	// fseek($raList[$i]->_PPS_FILE, 0); // To The Top
333	// while ($sBuff = fread($raList[$i]->_PPS_FILE, 4096)) {
334	// $sRes .= $sBuff;
335	// }
336	//} else {
337	$sRes .= $raList[$i]->_data;
338	//}
339	if ($raList[$i]->Size % $this->_SMALL_BLOCK_SIZE) {
340	$sRes .= str_repeat("\x00",$this->_SMALL_BLOCK_SIZE - ($raList[$i]->Size % $this->_SMALL_BLOCK_SIZE));
341	}
342	// Set for PPS
343	$raList[$i]->_StartBlock = $iSmBlk;
344	$iSmBlk += $iSmbCnt;
345	}
346	}
347	}
348	$iSbCnt = floor($this->_BIG_BLOCK_SIZE / PHPExcel_Shared_OLE::OLE_LONG_INT_SIZE);
349	if ($iSmBlk % $iSbCnt) {
350	$iB = $iSbCnt - ($iSmBlk % $iSbCnt);
351	for ($i = 0; $i < $iB; ++$i) {
352	fwrite($FILE, pack("V", -1));
353	}
354	}
355	return $sRes;
356	}
357
358	/**
359	* Saves all the PPS's WKs
360	*
361	* @access public
362	* @param array $raList Reference to an array with all PPS's
363	*/
364	public function _savePps(&$raList)
365	{
366	// Save each PPS WK
367	$iC = count($raList);
368	for ($i = 0; $i < $iC; ++$i) {
369	fwrite($this->_FILEH_, $raList[$i]->_getPpsWk());
370	}
371	// Adjust for Block
372	$iCnt = count($raList);
373	$iBCnt = $this->_BIG_BLOCK_SIZE / PHPExcel_Shared_OLE::OLE_PPS_SIZE;
374	if ($iCnt % $iBCnt) {
375	fwrite($this->_FILEH_, str_repeat("\x00",($iBCnt - ($iCnt % $iBCnt)) * PHPExcel_Shared_OLE::OLE_PPS_SIZE));
376	}
377	}
378
379	/**
380	* Saving Big Block Depot
381	*
382	* @access public
383	* @param integer $iSbdSize
384	* @param integer $iBsize
385	* @param integer $iPpsCnt
386	*/
387	public function _saveBbd($iSbdSize, $iBsize, $iPpsCnt)
388	{
389	$FILE = $this->_FILEH_;
390	// Calculate Basic Setting
391	$iBbCnt = $this->_BIG_BLOCK_SIZE / PHPExcel_Shared_OLE::OLE_LONG_INT_SIZE;
392	$i1stBdL = ($this->_BIG_BLOCK_SIZE - 0x4C) / PHPExcel_Shared_OLE::OLE_LONG_INT_SIZE;
393
394	$iBdExL = 0;
395	$iAll = $iBsize + $iPpsCnt + $iSbdSize;
396	$iAllW = $iAll;
397	$iBdCntW = floor($iAllW / $iBbCnt) + (($iAllW % $iBbCnt)? 1: 0);
398	$iBdCnt = floor(($iAll + $iBdCntW) / $iBbCnt) + ((($iAllW+$iBdCntW) % $iBbCnt)? 1: 0);
399	// Calculate BD count
400	if ($iBdCnt >$i1stBdL) {
401	while (1) {
402	++$iBdExL;
403	++$iAllW;
404	$iBdCntW = floor($iAllW / $iBbCnt) + (($iAllW % $iBbCnt)? 1: 0);
405	$iBdCnt = floor(($iAllW + $iBdCntW) / $iBbCnt) + ((($iAllW+$iBdCntW) % $iBbCnt)? 1: 0);
406	if ($iBdCnt <= ($iBdExL*$iBbCnt+ $i1stBdL)) {
407	break;
408	}
409	}
410	}
411
412	// Making BD
413	// Set for SBD
414	if ($iSbdSize > 0) {
415	for ($i = 0; $i < ($iSbdSize - 1); ++$i) {
416	fwrite($FILE, pack("V", $i+1));
417	}
418	fwrite($FILE, pack("V", -2));
419	}
420	// Set for B
421	for ($i = 0; $i < ($iBsize - 1); ++$i) {
422	fwrite($FILE, pack("V", $i+$iSbdSize+1));
423	}
424	fwrite($FILE, pack("V", -2));
425
426	// Set for PPS
427	for ($i = 0; $i < ($iPpsCnt - 1); ++$i) {
428	fwrite($FILE, pack("V", $i+$iSbdSize+$iBsize+1));
429	}
430	fwrite($FILE, pack("V", -2));
431	// Set for BBD itself ( 0xFFFFFFFD : BBD)
432	for ($i = 0; $i < $iBdCnt; ++$i) {
433	fwrite($FILE, pack("V", 0xFFFFFFFD));
434	}
435	// Set for ExtraBDList
436	for ($i = 0; $i < $iBdExL; ++$i) {
437	fwrite($FILE, pack("V", 0xFFFFFFFC));
438	}
439	// Adjust for Block
440	if (($iAllW + $iBdCnt) % $iBbCnt) {
441	$iBlock = ($iBbCnt - (($iAllW + $iBdCnt) % $iBbCnt));
442	for ($i = 0; $i < $iBlock; ++$i) {
443	fwrite($FILE, pack("V", -1));
444	}
445	}
446	// Extra BDList
447	if ($iBdCnt > $i1stBdL) {
448	$iN=0;
449	$iNb=0;
450	for ($i = $i1stBdL;$i < $iBdCnt; $i++, ++$iN) {
451	if ($iN >= ($iBbCnt - 1)) {
452	$iN = 0;
453	++$iNb;
454	fwrite($FILE, pack("V", $iAll+$iBdCnt+$iNb));
455	}
456	fwrite($FILE, pack("V", $iBsize+$iSbdSize+$iPpsCnt+$i));
457	}
458	if (($iBdCnt-$i1stBdL) % ($iBbCnt-1)) {
459	$iB = ($iBbCnt - 1) - (($iBdCnt - $i1stBdL) % ($iBbCnt - 1));
460	for ($i = 0; $i < $iB; ++$i) {
461	fwrite($FILE, pack("V", -1));
462	}
463	}
464	fwrite($FILE, pack("V", -2));
465	}
466	}
467	}

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source: sourcecode/application/libraries/PHPExcel/Shared/OLE/PPS/Root.php @ 1

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