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2388 jpm 1
<?php
2
/**
3
 * PHPExcel
4
 *
5
 * Copyright (c) 2006 - 2013 PHPExcel
6
 *
7
 * This library is free software; you can redistribute it and/or
8
 * modify it under the terms of the GNU Lesser General Public
9
 * License as published by the Free Software Foundation; either
10
 * version 2.1 of the License, or (at your option) any later version.
11
 *
12
 * This library is distributed in the hope that it will be useful,
13
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15
 * Lesser General Public License for more details.
16
 *
17
 * You should have received a copy of the GNU Lesser General Public
18
 * License along with this library; if not, write to the Free Software
19
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
20
 *
21
 * @category   PHPExcel
22
 * @package    PHPExcel_Reader
23
 * @copyright  Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
24
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
25
 * @version    ##VERSION##, ##DATE##
26
 */
27
 
28
 
29
/** PHPExcel root directory */
30
if (!defined('PHPEXCEL_ROOT')) {
31
	/**
32
	 * @ignore
33
	 */
34
	define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
35
	require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
36
}
37
 
38
/**
39
 * PHPExcel_Reader_HTML
40
 *
41
 * @category   PHPExcel
42
 * @package    PHPExcel_Reader
43
 * @copyright  Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
44
 */
45
class PHPExcel_Reader_HTML extends PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader
46
{
47
	/**
48
	 * Input encoding
49
	 *
50
	 * @var string
51
	 */
52
	private $_inputEncoding	= 'ANSI';
53
 
54
	/**
55
	 * Sheet index to read
56
	 *
57
	 * @var int
58
	 */
59
	private $_sheetIndex 	= 0;
60
 
61
	/**
62
	 * Formats
63
	 *
64
	 * @var array
65
	 */
66
	private $_formats = array( 'h1' => array( 'font' => array( 'bold' => true,
67
															   'size' => 24,
68
															 ),
69
											),	//	Bold, 24pt
70
							   'h2' => array( 'font' => array( 'bold' => true,
71
															   'size' => 18,
72
															 ),
73
											),	//	Bold, 18pt
74
							   'h3' => array( 'font' => array( 'bold' => true,
75
															   'size' => 13.5,
76
															 ),
77
											),	//	Bold, 13.5pt
78
							   'h4' => array( 'font' => array( 'bold' => true,
79
															   'size' => 12,
80
															 ),
81
											),	//	Bold, 12pt
82
							   'h5' => array( 'font' => array( 'bold' => true,
83
															   'size' => 10,
84
															 ),
85
											),	//	Bold, 10pt
86
							   'h6' => array( 'font' => array( 'bold' => true,
87
															   'size' => 7.5,
88
															 ),
89
											),	//	Bold, 7.5pt
90
							   'a'  => array( 'font' => array( 'underline' => true,
91
															   'color' => array( 'argb' => PHPExcel_Style_Color::COLOR_BLUE,
92
															                   ),
93
															 ),
94
											),	//	Blue underlined
95
							   'hr' => array( 'borders' => array( 'bottom' => array( 'style' => PHPExcel_Style_Border::BORDER_THIN,
96
																					 'color' => array( PHPExcel_Style_Color::COLOR_BLACK,
97
																					                 ),
98
																				   ),
99
																),
100
											),	//	Bottom border
101
							 );
102
 
103
 
104
	/**
105
	 * Create a new PHPExcel_Reader_HTML
106
	 */
107
	public function __construct() {
108
		$this->_readFilter 	= new PHPExcel_Reader_DefaultReadFilter();
109
	}
110
 
111
	/**
112
	 * Validate that the current file is an HTML file
113
	 *
114
	 * @return boolean
115
	 */
116
	protected function _isValidFormat()
117
	{
118
		//	Reading 2048 bytes should be enough to validate that the format is HTML
119
		$data = fread($this->_fileHandle, 2048);
120
		if ((strpos('<',$data) !== FALSE) &&
121
			(strlen($data) !== strlen(strip_tags($data)))) {
122
			return TRUE;
123
		}
124
 
125
		return FALSE;
126
	}
127
 
128
	/**
129
	 * Loads PHPExcel from file
130
	 *
131
	 * @param 	string 		$pFilename
132
	 * @return 	PHPExcel
133
	 * @throws 	PHPExcel_Reader_Exception
134
	 */
135
	public function load($pFilename)
136
	{
137
		// Create new PHPExcel
138
		$objPHPExcel = new PHPExcel();
139
 
140
		// Load into this instance
141
		return $this->loadIntoExisting($pFilename, $objPHPExcel);
142
	}
143
 
144
	/**
145
	 * Set input encoding
146
	 *
147
	 * @param string $pValue Input encoding
148
	 */
149
	public function setInputEncoding($pValue = 'ANSI')
150
	{
151
		$this->_inputEncoding = $pValue;
152
		return $this;
153
	}
154
 
155
	/**
156
	 * Get input encoding
157
	 *
158
	 * @return string
159
	 */
160
	public function getInputEncoding()
161
	{
162
		return $this->_inputEncoding;
163
	}
164
 
165
	//	Data Array used for testing only, should write to PHPExcel object on completion of tests
166
	private $_dataArray = array();
167
 
168
	private $_tableLevel = 0;
169
	private $_nestedColumn = array('A');
170
 
171
	private function _setTableStartColumn($column) {
172
		if ($this->_tableLevel == 0)
173
			$column = 'A';
174
		++$this->_tableLevel;
175
		$this->_nestedColumn[$this->_tableLevel] = $column;
176
 
177
		return $this->_nestedColumn[$this->_tableLevel];
178
	}
179
 
180
	private function _getTableStartColumn() {
181
		return $this->_nestedColumn[$this->_tableLevel];
182
	}
183
 
184
	private function _releaseTableStartColumn() {
185
		--$this->_tableLevel;
186
		return array_pop($this->_nestedColumn);
187
	}
188
 
189
	private function _flushCell($sheet,$column,$row,&$cellContent) {
190
		if (is_string($cellContent)) {
191
			//	Simple String content
192
			if (trim($cellContent) > '') {
193
				//	Only actually write it if there's content in the string
194
//				echo 'FLUSH CELL: ' , $column , $row , ' => ' , $cellContent , '<br />';
195
				//	Write to worksheet to be done here...
196
				//	... we return the cell so we can mess about with styles more easily
197
				$cell = $sheet->setCellValue($column.$row,$cellContent,true);
198
				$this->_dataArray[$row][$column] = $cellContent;
199
			}
200
		} else {
201
			//	We have a Rich Text run
202
			//	TODO
203
			$this->_dataArray[$row][$column] = 'RICH TEXT: ' . $cellContent;
204
		}
205
		$cellContent = (string) '';
206
	}
207
 
208
	private function _processDomElement(DOMNode $element, $sheet, &$row, &$column, &$cellContent){
209
		foreach($element->childNodes as $child){
210
			if ($child instanceof DOMText) {
211
				$domText = preg_replace('/\s+/',' ',trim($child->nodeValue));
212
				if (is_string($cellContent)) {
213
					//	simply append the text if the cell content is a plain text string
214
					$cellContent .= $domText;
215
				} else {
216
					//	but if we have a rich text run instead, we need to append it correctly
217
					//	TODO
218
				}
219
			} elseif($child instanceof DOMElement) {
220
//				echo '<b>DOM ELEMENT: </b>' , strtoupper($child->nodeName) , '<br />';
221
 
222
				$attributeArray = array();
223
				foreach($child->attributes as $attribute) {
224
//					echo '<b>ATTRIBUTE: </b>' , $attribute->name , ' => ' , $attribute->value , '<br />';
225
					$attributeArray[$attribute->name] = $attribute->value;
226
				}
227
 
228
				switch($child->nodeName) {
229
					case 'meta' :
230
						foreach($attributeArray as $attributeName => $attributeValue) {
231
							switch($attributeName) {
232
								case 'content':
233
									//	TODO
234
									//	Extract character set, so we can convert to UTF-8 if required
235
									break;
236
							}
237
						}
238
						$this->_processDomElement($child,$sheet,$row,$column,$cellContent);
239
						break;
240
					case 'title' :
241
						$this->_processDomElement($child,$sheet,$row,$column,$cellContent);
242
						$sheet->setTitle($cellContent);
243
						$cellContent = '';
244
						break;
245
					case 'span'  :
246
					case 'div'   :
247
					case 'font'  :
248
					case 'i'     :
249
					case 'em'    :
250
					case 'strong':
251
					case 'b'     :
252
//						echo 'STYLING, SPAN OR DIV<br />';
253
						if ($cellContent > '')
254
							$cellContent .= ' ';
255
						$this->_processDomElement($child,$sheet,$row,$column,$cellContent);
256
						if ($cellContent > '')
257
							$cellContent .= ' ';
258
//						echo 'END OF STYLING, SPAN OR DIV<br />';
259
						break;
260
					case 'hr' :
261
						$this->_flushCell($sheet,$column,$row,$cellContent);
262
						++$row;
263
						if (isset($this->_formats[$child->nodeName])) {
264
							$sheet->getStyle($column.$row)->applyFromArray($this->_formats[$child->nodeName]);
265
						} else {
266
							$cellContent = '----------';
267
							$this->_flushCell($sheet,$column,$row,$cellContent);
268
						}
269
						++$row;
270
					case 'br' :
271
						if ($this->_tableLevel > 0) {
272
							//	If we're inside a table, replace with a \n
273
							$cellContent .= "\n";
274
						} else {
275
							//	Otherwise flush our existing content and move the row cursor on
276
							$this->_flushCell($sheet,$column,$row,$cellContent);
277
							++$row;
278
						}
279
//						echo 'HARD LINE BREAK: ' , '<br />';
280
						break;
281
					case 'a'  :
282
//						echo 'START OF HYPERLINK: ' , '<br />';
283
						foreach($attributeArray as $attributeName => $attributeValue) {
284
							switch($attributeName) {
285
								case 'href':
286
//									echo 'Link to ' , $attributeValue , '<br />';
287
									$sheet->getCell($column.$row)->getHyperlink()->setUrl($attributeValue);
288
									if (isset($this->_formats[$child->nodeName])) {
289
										$sheet->getStyle($column.$row)->applyFromArray($this->_formats[$child->nodeName]);
290
									}
291
									break;
292
							}
293
						}
294
						$cellContent .= ' ';
295
						$this->_processDomElement($child,$sheet,$row,$column,$cellContent);
296
//						echo 'END OF HYPERLINK:' , '<br />';
297
						break;
298
					case 'h1' :
299
					case 'h2' :
300
					case 'h3' :
301
					case 'h4' :
302
					case 'h5' :
303
					case 'h6' :
304
					case 'ol' :
305
					case 'ul' :
306
					case 'p'  :
307
						if ($this->_tableLevel > 0) {
308
							//	If we're inside a table, replace with a \n
309
							$cellContent .= "\n";
310
//							echo 'LIST ENTRY: ' , '<br />';
311
							$this->_processDomElement($child,$sheet,$row,$column,$cellContent);
312
//							echo 'END OF LIST ENTRY:' , '<br />';
313
						} else {
314
							if ($cellContent > '') {
315
								$this->_flushCell($sheet,$column,$row,$cellContent);
316
								$row += 2;
317
							}
318
//							echo 'START OF PARAGRAPH: ' , '<br />';
319
							$this->_processDomElement($child,$sheet,$row,$column,$cellContent);
320
//							echo 'END OF PARAGRAPH:' , '<br />';
321
							$this->_flushCell($sheet,$column,$row,$cellContent);
322
 
323
							if (isset($this->_formats[$child->nodeName])) {
324
								$sheet->getStyle($column.$row)->applyFromArray($this->_formats[$child->nodeName]);
325
							}
326
 
327
							$row += 2;
328
							$column = 'A';
329
						}
330
						break;
331
					case 'li'  :
332
						if ($this->_tableLevel > 0) {
333
							//	If we're inside a table, replace with a \n
334
							$cellContent .= "\n";
335
//							echo 'LIST ENTRY: ' , '<br />';
336
							$this->_processDomElement($child,$sheet,$row,$column,$cellContent);
337
//							echo 'END OF LIST ENTRY:' , '<br />';
338
						} else {
339
							if ($cellContent > '') {
340
								$this->_flushCell($sheet,$column,$row,$cellContent);
341
							}
342
							++$row;
343
//							echo 'LIST ENTRY: ' , '<br />';
344
							$this->_processDomElement($child,$sheet,$row,$column,$cellContent);
345
//							echo 'END OF LIST ENTRY:' , '<br />';
346
							$this->_flushCell($sheet,$column,$row,$cellContent);
347
							$column = 'A';
348
						}
349
						break;
350
					case 'table' :
351
						$this->_flushCell($sheet,$column,$row,$cellContent);
352
						$column = $this->_setTableStartColumn($column);
353
//						echo 'START OF TABLE LEVEL ' , $this->_tableLevel , '<br />';
354
						if ($this->_tableLevel > 1)
355
							--$row;
356
						$this->_processDomElement($child,$sheet,$row,$column,$cellContent);
357
//						echo 'END OF TABLE LEVEL ' , $this->_tableLevel , '<br />';
358
						$column = $this->_releaseTableStartColumn();
359
						if ($this->_tableLevel > 1) {
360
							++$column;
361
						} else {
362
							++$row;
363
						}
364
						break;
365
					case 'thead' :
366
					case 'tbody' :
367
						$this->_processDomElement($child,$sheet,$row,$column,$cellContent);
368
						break;
369
					case 'tr' :
370
						++$row;
371
						$column = $this->_getTableStartColumn();
372
						$cellContent = '';
373
//						echo 'START OF TABLE ' , $this->_tableLevel , ' ROW<br />';
374
						$this->_processDomElement($child,$sheet,$row,$column,$cellContent);
375
//						echo 'END OF TABLE ' , $this->_tableLevel , ' ROW<br />';
376
						break;
377
					case 'th' :
378
					case 'td' :
379
//						echo 'START OF TABLE ' , $this->_tableLevel , ' CELL<br />';
380
						$this->_processDomElement($child,$sheet,$row,$column,$cellContent);
381
//						echo 'END OF TABLE ' , $this->_tableLevel , ' CELL<br />';
382
						$this->_flushCell($sheet,$column,$row,$cellContent);
383
						++$column;
384
						break;
385
					case 'body' :
386
						$row = 1;
387
						$column = 'A';
388
						$content = '';
389
						$this->_tableLevel = 0;
390
						$this->_processDomElement($child,$sheet,$row,$column,$cellContent);
391
						break;
392
					default:
393
						$this->_processDomElement($child,$sheet,$row,$column,$cellContent);
394
				}
395
			}
396
		}
397
	}
398
 
399
	/**
400
	 * Loads PHPExcel from file into PHPExcel instance
401
	 *
402
	 * @param 	string 		$pFilename
403
	 * @param	PHPExcel	$objPHPExcel
404
	 * @return 	PHPExcel
405
	 * @throws 	PHPExcel_Reader_Exception
406
	 */
407
	public function loadIntoExisting($pFilename, PHPExcel $objPHPExcel)
408
	{
409
		// Open file to validate
410
		$this->_openFile($pFilename);
411
		if (!$this->_isValidFormat()) {
412
			fclose ($this->_fileHandle);
413
			throw new PHPExcel_Reader_Exception($pFilename . " is an Invalid HTML file.");
414
		}
415
		//	Close after validating
416
		fclose ($this->_fileHandle);
417
 
418
		// Create new PHPExcel
419
		while ($objPHPExcel->getSheetCount() <= $this->_sheetIndex) {
420
			$objPHPExcel->createSheet();
421
		}
422
		$objPHPExcel->setActiveSheetIndex( $this->_sheetIndex );
423
 
424
		//	Create a new DOM object
425
		$dom = new domDocument;
426
		//	Reload the HTML file into the DOM object
427
		$loaded = $dom->loadHTMLFile($pFilename);
428
		if ($loaded === FALSE) {
429
			throw new PHPExcel_Reader_Exception('Failed to load ',$pFilename,' as a DOM Document');
430
		}
431
 
432
		//	Discard white space
433
		$dom->preserveWhiteSpace = false;
434
 
435
 
436
		$row = 0;
437
		$column = 'A';
438
		$content = '';
439
		$this->_processDomElement($dom,$objPHPExcel->getActiveSheet(),$row,$column,$content);
440
 
441
//		echo '<hr />';
442
//		var_dump($this->_dataArray);
443
 
444
		// Return
445
		return $objPHPExcel;
446
	}
447
 
448
	/**
449
	 * Get sheet index
450
	 *
451
	 * @return int
452
	 */
453
	public function getSheetIndex() {
454
		return $this->_sheetIndex;
455
	}
456
 
457
	/**
458
	 * Set sheet index
459
	 *
460
	 * @param	int		$pValue		Sheet index
461
	 * @return PHPExcel_Reader_HTML
462
	 */
463
	public function setSheetIndex($pValue = 0) {
464
		$this->_sheetIndex = $pValue;
465
		return $this;
466
	}
467
 
468
}