| [349] | 1 | <?php
|
|---|
| 2 | /**
|
|---|
| 3 | * HTML2PDF Librairy - parsingHtml class
|
|---|
| 4 | *
|
|---|
| 5 | * HTML => PDF convertor
|
|---|
| 6 | * distributed under the LGPL License
|
|---|
| 7 | *
|
|---|
| 8 | * @author Laurent MINGUET <webmaster@html2pdf.fr>
|
|---|
| 9 | * @version 4.03
|
|---|
| 10 | */
|
|---|
| 11 |
|
|---|
| 12 | class HTML2PDF_parsingHtml
|
|---|
| 13 | {
|
|---|
| 14 | protected $_html = ''; // HTML code to parse
|
|---|
| 15 | protected $_num = 0; // table number
|
|---|
| 16 | protected $_level = 0; // table level
|
|---|
| 17 | protected $_encoding = ''; // encoding
|
|---|
| 18 | public $code = array(); // parsed HTML codfe
|
|---|
| 19 |
|
|---|
| 20 | const HTML_TAB = ' ';
|
|---|
| 21 |
|
|---|
| 22 | /**
|
|---|
| 23 | * main constructor
|
|---|
| 24 | *
|
|---|
| 25 | * @param string encoding
|
|---|
| 26 | * @access public
|
|---|
| 27 | */
|
|---|
| 28 | public function __construct($encoding = 'UTF-8')
|
|---|
| 29 | {
|
|---|
| 30 | $this->_num = 0;
|
|---|
| 31 | $this->_level = array($this->_num);
|
|---|
| 32 | $this->_html = '';
|
|---|
| 33 | $this->code = array();
|
|---|
| 34 | $this->setEncoding($encoding);
|
|---|
| 35 | }
|
|---|
| 36 |
|
|---|
| 37 | /**
|
|---|
| 38 | * change the encoding
|
|---|
| 39 | *
|
|---|
| 40 | * @param string encoding
|
|---|
| 41 | * @access public
|
|---|
| 42 | */
|
|---|
| 43 | public function setEncoding($encoding)
|
|---|
| 44 | {
|
|---|
| 45 | $this->_encoding = $encoding;
|
|---|
| 46 | }
|
|---|
| 47 |
|
|---|
| 48 | /**
|
|---|
| 49 | * Define the HTML code to parse
|
|---|
| 50 | *
|
|---|
| 51 | * @param string HTML code
|
|---|
| 52 | * @access public
|
|---|
| 53 | */
|
|---|
| 54 | public function setHTML($html)
|
|---|
| 55 | {
|
|---|
| 56 | // remove the HTML in comment
|
|---|
| 57 | $html = preg_replace('/<!--(.*)-->/isU', '', $html);
|
|---|
| 58 |
|
|---|
| 59 | // save the HTML code
|
|---|
| 60 | $this->_html = $html;
|
|---|
| 61 | }
|
|---|
| 62 |
|
|---|
| 63 | /**
|
|---|
| 64 | * parse the HTML code
|
|---|
| 65 | *
|
|---|
| 66 | * @access public
|
|---|
| 67 | */
|
|---|
| 68 | public function parse()
|
|---|
| 69 | {
|
|---|
| 70 | $parents = array();
|
|---|
| 71 |
|
|---|
| 72 | // flag : are we in a <pre> Tag ?
|
|---|
| 73 | $tagPreIn = false;
|
|---|
| 74 |
|
|---|
| 75 | // action to use for each line of the content of a <pre> Tag
|
|---|
| 76 | $tagPreBr = array(
|
|---|
| 77 | 'name' => 'br',
|
|---|
| 78 | 'close' => false,
|
|---|
| 79 | 'param' => array(
|
|---|
| 80 | 'style' => array(),
|
|---|
| 81 | 'num' => 0
|
|---|
| 82 | )
|
|---|
| 83 | );
|
|---|
| 84 |
|
|---|
| 85 | // tag that can be not closed
|
|---|
| 86 | $tagsNotClosed = array(
|
|---|
| 87 | 'br', 'hr', 'img', 'col',
|
|---|
| 88 | 'input', 'link', 'option',
|
|---|
| 89 | 'circle', 'ellipse', 'path', 'rect', 'line', 'polygon', 'polyline'
|
|---|
| 90 | );
|
|---|
| 91 |
|
|---|
| 92 | // search the HTML tags
|
|---|
| 93 | $tmp = array();
|
|---|
| 94 | $this->_searchCode($tmp);
|
|---|
| 95 |
|
|---|
| 96 | // all the actions to do
|
|---|
| 97 | $actions = array();
|
|---|
| 98 |
|
|---|
| 99 | // foreach part of the HTML code
|
|---|
| 100 | foreach ($tmp as $part) {
|
|---|
| 101 | // if it is a tag code
|
|---|
| 102 | if ($part[0]=='code') {
|
|---|
| 103 | // analise the HTML code
|
|---|
| 104 | $res = $this->_analiseCode($part[1]);
|
|---|
| 105 |
|
|---|
| 106 | // if it is a real HTML tag
|
|---|
| 107 | if ($res) {
|
|---|
| 108 | // save the current posistion in the HTML code
|
|---|
| 109 | $res['html_pos'] = $part[2];
|
|---|
| 110 |
|
|---|
| 111 | // if the tag must be closed
|
|---|
| 112 | if (!in_array($res['name'], $tagsNotClosed)) {
|
|---|
| 113 | // if it is a closure tag
|
|---|
| 114 | if ($res['close']) {
|
|---|
| 115 | // HTML validation
|
|---|
| 116 | if (count($parents)<1)
|
|---|
| 117 | throw new HTML2PDF_exception(3, $res['name'], $this->getHtmlErrorCode($res['html_pos']));
|
|---|
| 118 | else if ($parents[count($parents)-1]!=$res['name'])
|
|---|
| 119 | throw new HTML2PDF_exception(4, $parents, $this->getHtmlErrorCode($res['html_pos']));
|
|---|
| 120 | else
|
|---|
| 121 | unset($parents[count($parents)-1]);
|
|---|
| 122 | } else {
|
|---|
| 123 | // if it is a autoclosed tag
|
|---|
| 124 | if ($res['autoclose']) {
|
|---|
| 125 | // save the opened tag
|
|---|
| 126 | $actions[] = $res;
|
|---|
| 127 |
|
|---|
| 128 | // prepare the closed tag
|
|---|
| 129 | $res['params'] = array();
|
|---|
| 130 | $res['close'] = true;
|
|---|
| 131 | }
|
|---|
| 132 | // else :add a child for validation
|
|---|
| 133 | else
|
|---|
| 134 | $parents[count($parents)] = $res['name'];
|
|---|
| 135 | }
|
|---|
| 136 |
|
|---|
| 137 | // if it is a <pre> tag (or <code> tag) not auclosed => update the flag
|
|---|
| 138 | if (($res['name']=='pre' || $res['name']=='code') && !$res['autoclose']) {
|
|---|
| 139 | $tagPreIn = !$res['close'];
|
|---|
| 140 | }
|
|---|
| 141 | }
|
|---|
| 142 |
|
|---|
| 143 | // save the actions to convert
|
|---|
| 144 | $actions[] = $res;
|
|---|
| 145 | } else { // else (it is not a real HTML tag => we transform it in Texte
|
|---|
| 146 | $part[0]='txt';
|
|---|
| 147 | }
|
|---|
| 148 | }
|
|---|
| 149 | // if it is text
|
|---|
| 150 | if ($part[0]=='txt') {
|
|---|
| 151 | // if we are not in a <pre> tag
|
|---|
| 152 | if (!$tagPreIn) {
|
|---|
| 153 | // save the action
|
|---|
| 154 | $actions[] = array(
|
|---|
| 155 | 'name' => 'write',
|
|---|
| 156 | 'close' => false,
|
|---|
| 157 | 'param' => array('txt' => $this->_prepareTxt($part[1])),
|
|---|
| 158 | );
|
|---|
| 159 | } else { // else (if we are in a <pre> tag)
|
|---|
| 160 | // prepare the text
|
|---|
| 161 | $part[1] = str_replace("\r", '', $part[1]);
|
|---|
| 162 | $part[1] = explode("\n", $part[1]);
|
|---|
| 163 |
|
|---|
| 164 | // foreach line of the text
|
|---|
| 165 | foreach ($part[1] as $k => $txt) {
|
|---|
| 166 | // transform the line
|
|---|
| 167 | $txt = str_replace("\t", self::HTML_TAB, $txt);
|
|---|
| 168 | $txt = str_replace(' ', ' ', $txt);
|
|---|
| 169 |
|
|---|
| 170 | // add a break line
|
|---|
| 171 | if ($k>0) $actions[] = $tagPreBr;
|
|---|
| 172 |
|
|---|
| 173 | // save the action
|
|---|
| 174 | $actions[] = array(
|
|---|
| 175 | 'name' => 'write',
|
|---|
| 176 | 'close' => false,
|
|---|
| 177 | 'param' => array('txt' => $this->_prepareTxt($txt, false)),
|
|---|
| 178 | );
|
|---|
| 179 | }
|
|---|
| 180 | }
|
|---|
| 181 | }
|
|---|
| 182 | }
|
|---|
| 183 |
|
|---|
| 184 | // for each indentified action, we have to clean up the begin and the end of the texte
|
|---|
| 185 | // based on tags that surround it
|
|---|
| 186 |
|
|---|
| 187 | // list of the tags to clean
|
|---|
| 188 | $tagsToClean = array(
|
|---|
| 189 | 'page', 'page_header', 'page_footer', 'form',
|
|---|
| 190 | 'table', 'thead', 'tfoot', 'tr', 'td', 'th', 'br',
|
|---|
| 191 | 'div', 'hr', 'p', 'ul', 'ol', 'li',
|
|---|
| 192 | 'h1', 'h2', 'h3', 'h4', 'h5', 'h6',
|
|---|
| 193 | 'bookmark', 'fieldset', 'legend',
|
|---|
| 194 | 'draw', 'circle', 'ellipse', 'path', 'rect', 'line', 'g', 'polygon', 'polyline',
|
|---|
| 195 | 'option'
|
|---|
| 196 | );
|
|---|
| 197 |
|
|---|
| 198 | // foreach action
|
|---|
| 199 | $nb = count($actions);
|
|---|
| 200 | for ($k=0; $k<$nb; $k++) {
|
|---|
| 201 | // if it is a Text
|
|---|
| 202 | if ($actions[$k]['name']=='write') {
|
|---|
| 203 | // if the tag before the text is a tag to clean => ltrim on the text
|
|---|
| 204 | if ($k>0 && in_array($actions[$k-1]['name'], $tagsToClean))
|
|---|
| 205 | $actions[$k]['param']['txt'] = ltrim($actions[$k]['param']['txt']);
|
|---|
| 206 |
|
|---|
| 207 | // if the tag after the text is a tag to clean => rtrim on the text
|
|---|
| 208 | if ($k<$nb-1 && in_array($actions[$k+1]['name'], $tagsToClean))
|
|---|
| 209 | $actions[$k]['param']['txt'] = rtrim($actions[$k]['param']['txt']);
|
|---|
| 210 |
|
|---|
| 211 | // if the text is empty => remove the action
|
|---|
| 212 | if (!strlen($actions[$k]['param']['txt']))
|
|---|
| 213 | unset($actions[$k]);
|
|---|
| 214 | }
|
|---|
| 215 | }
|
|---|
| 216 |
|
|---|
| 217 | // if we are not on the level 0 => HTML validator ERROR
|
|---|
| 218 | if (count($parents)) throw new HTML2PDF_exception(5, $parents);
|
|---|
| 219 |
|
|---|
| 220 | // save the actions to do
|
|---|
| 221 | $this->code = array_values($actions);
|
|---|
| 222 | }
|
|---|
| 223 |
|
|---|
| 224 | /**
|
|---|
| 225 | * prepare the text
|
|---|
| 226 | *
|
|---|
| 227 | * @param string texte
|
|---|
| 228 | * @param boolean true => replace multiple space+\t+\r+\n by a single space
|
|---|
| 229 | * @return string texte
|
|---|
| 230 | * @access protected
|
|---|
| 231 | */
|
|---|
| 232 | protected function _prepareTxt($txt, $spaces = true)
|
|---|
| 233 | {
|
|---|
| 234 | if ($spaces) $txt = preg_replace('/\s+/is', ' ', $txt);
|
|---|
| 235 | $txt = str_replace('€', 'â¬', $txt);
|
|---|
| 236 | $txt = html_entity_decode($txt, ENT_QUOTES, $this->_encoding);
|
|---|
| 237 | return $txt;
|
|---|
| 238 | }
|
|---|
| 239 |
|
|---|
| 240 | /**
|
|---|
| 241 | * parse the HTML code
|
|---|
| 242 | *
|
|---|
| 243 | * @param &array array's result
|
|---|
| 244 | * @return null
|
|---|
| 245 | */
|
|---|
| 246 | protected function _searchCode(&$tmp)
|
|---|
| 247 | {
|
|---|
| 248 | // initialise the array
|
|---|
| 249 | $tmp = array();
|
|---|
| 250 |
|
|---|
| 251 | // regexp to separate the tags from the texts
|
|---|
| 252 | $reg = '/(<[^>]+>)|([^<]+)+/isU';
|
|---|
| 253 |
|
|---|
| 254 | // last match found
|
|---|
| 255 | $str = '';
|
|---|
| 256 | $offset = 0;
|
|---|
| 257 |
|
|---|
| 258 | // As it finds a match
|
|---|
| 259 | while (preg_match($reg, $this->_html, $parse, PREG_OFFSET_CAPTURE, $offset)) {
|
|---|
| 260 | // if it is a tag
|
|---|
| 261 | if ($parse[1][0]) {
|
|---|
| 262 | // save the previous text if it exists
|
|---|
| 263 | if ($str!=='') $tmp[] = array('txt', $str);
|
|---|
| 264 |
|
|---|
| 265 | // save the tag, with the offset
|
|---|
| 266 | $tmp[] = array('code', trim($parse[1][0]), $offset);
|
|---|
| 267 |
|
|---|
| 268 | // init the current text
|
|---|
| 269 | $str = '';
|
|---|
| 270 | } else { // else (if it is a text)
|
|---|
| 271 | // add the new text to the current text
|
|---|
| 272 | $str.= $parse[2][0];
|
|---|
| 273 | }
|
|---|
| 274 |
|
|---|
| 275 | // Update offset to the end of the match
|
|---|
| 276 | $offset = $parse[0][1] + strlen($parse[0][0]);
|
|---|
| 277 | unset($parse);
|
|---|
| 278 | }
|
|---|
| 279 | // if a text is present in the end, we save it
|
|---|
| 280 | if ($str!='') $tmp[] = array('txt', $str);
|
|---|
| 281 | unset($str);
|
|---|
| 282 | }
|
|---|
| 283 |
|
|---|
| 284 | /**
|
|---|
| 285 | * analise a HTML tag
|
|---|
| 286 | *
|
|---|
| 287 | * @param string HTML code to analise
|
|---|
| 288 | * @return array corresponding action
|
|---|
| 289 | */
|
|---|
| 290 | protected function _analiseCode($code)
|
|---|
| 291 | {
|
|---|
| 292 | // name of the tag, opening, closure, autoclosure
|
|---|
| 293 | $tag = '<([\/]{0,1})([_a-z0-9]+)([\/>\s]+)';
|
|---|
| 294 | if (!preg_match('/'.$tag.'/isU', $code, $match)) return null;
|
|---|
| 295 | $close = ($match[1]=='/' ? true : false);
|
|---|
| 296 | $autoclose = preg_match('/\/>$/isU', $code);
|
|---|
| 297 | $name = strtolower($match[2]);
|
|---|
| 298 |
|
|---|
| 299 | // required parameters (depends on the tag name)
|
|---|
| 300 | $param = array();
|
|---|
| 301 | $param['style'] = '';
|
|---|
| 302 | if ($name=='img') {
|
|---|
| 303 | $param['alt'] = '';
|
|---|
| 304 | $param['src'] = '';
|
|---|
| 305 | }
|
|---|
| 306 | if ($name=='a') {
|
|---|
| 307 | $param['href'] = '';
|
|---|
| 308 | }
|
|---|
| 309 |
|
|---|
| 310 | // read the parameters : nom=valeur
|
|---|
| 311 | $prop = '([a-zA-Z0-9_]+)=([^"\'\s>]+)';
|
|---|
| 312 | preg_match_all('/'.$prop.'/is', $code, $match);
|
|---|
| 313 | for($k=0; $k<count($match[0]); $k++)
|
|---|
| 314 | $param[trim(strtolower($match[1][$k]))] = trim($match[2][$k]);
|
|---|
| 315 |
|
|---|
| 316 | // read the parameters : nom="valeur"
|
|---|
| 317 | $prop = '([a-zA-Z0-9_]+)=["]([^"]*)["]';
|
|---|
| 318 | preg_match_all('/'.$prop.'/is', $code, $match);
|
|---|
| 319 | for($k=0; $k<count($match[0]); $k++)
|
|---|
| 320 | $param[trim(strtolower($match[1][$k]))] = trim($match[2][$k]);
|
|---|
| 321 |
|
|---|
| 322 | // read the parameters : nom='valeur'
|
|---|
| 323 | $prop = "([a-zA-Z0-9_]+)=[']([^']*)[']";
|
|---|
| 324 | preg_match_all('/'.$prop.'/is', $code, $match);
|
|---|
| 325 | for($k=0; $k<count($match[0]); $k++)
|
|---|
| 326 | $param[trim(strtolower($match[1][$k]))] = trim($match[2][$k]);
|
|---|
| 327 |
|
|---|
| 328 | // compliance of each parameter
|
|---|
| 329 | $color = "#000000";
|
|---|
| 330 | $border = null;
|
|---|
| 331 | foreach ($param as $key => $val) {
|
|---|
| 332 | $key = strtolower($key);
|
|---|
| 333 | switch($key)
|
|---|
| 334 | {
|
|---|
| 335 | case 'width':
|
|---|
| 336 | unset($param[$key]);
|
|---|
| 337 | $param['style'] .= 'width: '.$val.'px; ';
|
|---|
| 338 | break;
|
|---|
| 339 |
|
|---|
| 340 | case 'align':
|
|---|
| 341 | if ($name==='img') {
|
|---|
| 342 | unset($param[$key]);
|
|---|
| 343 | $param['style'] .= 'float: '.$val.'; ';
|
|---|
| 344 | } elseif ($name!=='table') {
|
|---|
| 345 | unset($param[$key]);
|
|---|
| 346 | $param['style'] .= 'text-align: '.$val.'; ';
|
|---|
| 347 | }
|
|---|
| 348 | break;
|
|---|
| 349 |
|
|---|
| 350 | case 'valign':
|
|---|
| 351 | unset($param[$key]);
|
|---|
| 352 | $param['style'] .= 'vertical-align: '.$val.'; ';
|
|---|
| 353 | break;
|
|---|
| 354 |
|
|---|
| 355 | case 'height':
|
|---|
| 356 | unset($param[$key]);
|
|---|
| 357 | $param['style'] .= 'height: '.$val.'px; ';
|
|---|
| 358 | break;
|
|---|
| 359 |
|
|---|
| 360 | case 'bgcolor':
|
|---|
| 361 | unset($param[$key]);
|
|---|
| 362 | $param['style'] .= 'background: '.$val.'; ';
|
|---|
| 363 | break;
|
|---|
| 364 |
|
|---|
| 365 | case 'bordercolor':
|
|---|
| 366 | unset($param[$key]);
|
|---|
| 367 | $color = $val;
|
|---|
| 368 | break;
|
|---|
| 369 |
|
|---|
| 370 | case 'border':
|
|---|
| 371 | unset($param[$key]);
|
|---|
| 372 | if (preg_match('/^[0-9]+$/isU', $val)) $val = $val.'px';
|
|---|
| 373 | $border = $val;
|
|---|
| 374 | break;
|
|---|
| 375 |
|
|---|
| 376 | case 'cellpadding':
|
|---|
| 377 | case 'cellspacing':
|
|---|
| 378 | if (preg_match('/^([0-9]+)$/isU', $val)) $param[$key] = $val.'px';
|
|---|
| 379 | break;
|
|---|
| 380 |
|
|---|
| 381 | case 'colspan':
|
|---|
| 382 | case 'rowspan':
|
|---|
| 383 | $val = preg_replace('/[^0-9]/isU', '', $val);
|
|---|
| 384 | if (!$val) $val = 1;
|
|---|
| 385 | $param[$key] = $val;
|
|---|
| 386 | break;
|
|---|
| 387 | }
|
|---|
| 388 | }
|
|---|
| 389 |
|
|---|
| 390 | // compliance of the border
|
|---|
| 391 | if ($border!==null) {
|
|---|
| 392 | if ($border) $border = 'border: solid '.$border.' '.$color;
|
|---|
| 393 | else $border = 'border: none';
|
|---|
| 394 |
|
|---|
| 395 | $param['style'] .= $border.'; ';
|
|---|
| 396 | $param['border'] = $border;
|
|---|
| 397 | }
|
|---|
| 398 |
|
|---|
| 399 | // reading styles: decomposition and standardization
|
|---|
| 400 | $styles = explode(';', $param['style']);
|
|---|
| 401 | $param['style'] = array();
|
|---|
| 402 | foreach ($styles as $style) {
|
|---|
| 403 | $tmp = explode(':', $style);
|
|---|
| 404 | if (count($tmp)>1) {
|
|---|
| 405 | $cod = $tmp[0];
|
|---|
| 406 | unset($tmp[0]);
|
|---|
| 407 | $tmp = implode(':', $tmp);
|
|---|
| 408 | $param['style'][trim(strtolower($cod))] = preg_replace('/[\s]+/isU', ' ', trim($tmp));
|
|---|
| 409 | }
|
|---|
| 410 | }
|
|---|
| 411 |
|
|---|
| 412 | // determining the level of table opening, with an added level
|
|---|
| 413 | if (in_array($name, array('ul', 'ol', 'table')) && !$close) {
|
|---|
| 414 | $this->_num++;
|
|---|
| 415 | $this->_level[count($this->_level)] = $this->_num;
|
|---|
| 416 | }
|
|---|
| 417 |
|
|---|
| 418 | // get the level of the table containing the element
|
|---|
| 419 | if (!isset($param['num'])) {
|
|---|
| 420 | $param['num'] = $this->_level[count($this->_level)-1];
|
|---|
| 421 | }
|
|---|
| 422 |
|
|---|
| 423 | // for closures table: remove a level
|
|---|
| 424 | if (in_array($name, array('ul', 'ol', 'table')) && $close) {
|
|---|
| 425 | unset($this->_level[count($this->_level)-1]);
|
|---|
| 426 | }
|
|---|
| 427 |
|
|---|
| 428 | // prepare the parameters
|
|---|
| 429 | if (isset($param['value'])) $param['value'] = $this->_prepareTxt($param['value']);
|
|---|
| 430 | if (isset($param['alt'])) $param['alt'] = $this->_prepareTxt($param['alt']);
|
|---|
| 431 | if (isset($param['title'])) $param['title'] = $this->_prepareTxt($param['title']);
|
|---|
| 432 | if (isset($param['class'])) $param['class'] = $this->_prepareTxt($param['class']);
|
|---|
| 433 |
|
|---|
| 434 | // return the new action to do
|
|---|
| 435 | return array('name' => $name, 'close' => $close ? 1 : 0, 'autoclose' => $autoclose, 'param' => $param);
|
|---|
| 436 | }
|
|---|
| 437 |
|
|---|
| 438 | /**
|
|---|
| 439 | * get a full level of HTML, between an opening and closing corresponding
|
|---|
| 440 | *
|
|---|
| 441 | * @param integer key
|
|---|
| 442 | * @return array actions
|
|---|
| 443 | */
|
|---|
| 444 | public function getLevel($k)
|
|---|
| 445 | {
|
|---|
| 446 | // if the code does not exist => return empty
|
|---|
| 447 | if (!isset($this->code[$k])) return array();
|
|---|
| 448 |
|
|---|
| 449 | // the tag to detect
|
|---|
| 450 | $detect = $this->code[$k]['name'];
|
|---|
| 451 |
|
|---|
| 452 | // if it is a text => return
|
|---|
| 453 | if ($detect=='write') {
|
|---|
| 454 | return array($this->code[$k]);
|
|---|
| 455 | }
|
|---|
| 456 |
|
|---|
| 457 | //
|
|---|
| 458 | $level = 0; // depth level
|
|---|
| 459 | $end = false; // end of the search
|
|---|
| 460 | $code = array(); // extract code
|
|---|
| 461 |
|
|---|
| 462 | // while it's not ended
|
|---|
| 463 | while (!$end) {
|
|---|
| 464 | // current action
|
|---|
| 465 | $row = $this->code[$k];
|
|---|
| 466 |
|
|---|
| 467 | // if 'write' => we add the text
|
|---|
| 468 | if ($row['name']=='write') {
|
|---|
| 469 | $code[] = $row;
|
|---|
| 470 | } else { // else, it is a html tag
|
|---|
| 471 | $not = false; // flag for not taking into account the current tag
|
|---|
| 472 |
|
|---|
| 473 | // if it is the searched tag
|
|---|
| 474 | if ($row['name']==$detect) {
|
|---|
| 475 | // if we are just at the root level => dont take it
|
|---|
| 476 | if ($level==0) {
|
|---|
| 477 | $not = true;
|
|---|
| 478 | }
|
|---|
| 479 |
|
|---|
| 480 | // update the level
|
|---|
| 481 | $level+= ($row['close'] ? -1 : 1);
|
|---|
| 482 |
|
|---|
| 483 | // if we are now at the root level => it is the end, and dont take it
|
|---|
| 484 | if ($level==0) {
|
|---|
| 485 | $not = true;
|
|---|
| 486 | $end = true;
|
|---|
| 487 | }
|
|---|
| 488 | }
|
|---|
| 489 |
|
|---|
| 490 | // if we can takin into account the current tag => save it
|
|---|
| 491 | if (!$not) {
|
|---|
| 492 | if (isset($row['style']['text-align'])) unset($row['style']['text-align']);
|
|---|
| 493 | $code[] = $row;
|
|---|
| 494 | }
|
|---|
| 495 | }
|
|---|
| 496 |
|
|---|
| 497 | // it continues as long as there has code to analise
|
|---|
| 498 | if (isset($this->code[$k+1]))
|
|---|
| 499 | $k++;
|
|---|
| 500 | else
|
|---|
| 501 | $end = true;
|
|---|
| 502 | }
|
|---|
| 503 |
|
|---|
| 504 | // return the extract
|
|---|
| 505 | return $code;
|
|---|
| 506 | }
|
|---|
| 507 |
|
|---|
| 508 | /**
|
|---|
| 509 | * return a part of the HTML code, for error message
|
|---|
| 510 | *
|
|---|
| 511 | * @param integer position
|
|---|
| 512 | * @param integer take before
|
|---|
| 513 | * @param integer take after
|
|---|
| 514 | * @return string part of the html code
|
|---|
| 515 | */
|
|---|
| 516 | public function getHtmlErrorCode($pos, $before=30, $after=40)
|
|---|
| 517 | {
|
|---|
| 518 | return substr($this->_html, $pos-$before, $before+$after);
|
|---|
| 519 | }
|
|---|
| 520 | }
|
|---|
