1: <?php
2: /**
3: * PHPExcel
4: *
5: * Copyright (c) 2006 - 2014 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 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
24: * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
25: * @version 1.8.0, 2014-03-02
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 - 2014 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, PHPExcel_Settings::getLibXmlLoaderOptions());
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: }
469: