[Summary view] [Print] [Text view]

   1  <?php
   2  
   3  class PHPExcel_Helper_HTML
   4  {
   5      protected static $colourMap = array(
   6          'aliceblue' => 'f0f8ff',
   7          'antiquewhite' => 'faebd7',
   8          'antiquewhite1' => 'ffefdb',
   9          'antiquewhite2' => 'eedfcc',
  10          'antiquewhite3' => 'cdc0b0',
  11          'antiquewhite4' => '8b8378',
  12          'aqua' => '00ffff',
  13          'aquamarine1' => '7fffd4',
  14          'aquamarine2' => '76eec6',
  15          'aquamarine4' => '458b74',
  16          'azure1' => 'f0ffff',
  17          'azure2' => 'e0eeee',
  18          'azure3' => 'c1cdcd',
  19          'azure4' => '838b8b',
  20          'beige' => 'f5f5dc',
  21          'bisque1' => 'ffe4c4',
  22          'bisque2' => 'eed5b7',
  23          'bisque3' => 'cdb79e',
  24          'bisque4' => '8b7d6b',
  25          'black' => '000000',
  26          'blanchedalmond' => 'ffebcd',
  27          'blue' => '0000ff',
  28          'blue1' => '0000ff',
  29          'blue2' => '0000ee',
  30          'blue4' => '00008b',
  31          'blueviolet' => '8a2be2',
  32          'brown' => 'a52a2a',
  33          'brown1' => 'ff4040',
  34          'brown2' => 'ee3b3b',
  35          'brown3' => 'cd3333',
  36          'brown4' => '8b2323',
  37          'burlywood' => 'deb887',
  38          'burlywood1' => 'ffd39b',
  39          'burlywood2' => 'eec591',
  40          'burlywood3' => 'cdaa7d',
  41          'burlywood4' => '8b7355',
  42          'cadetblue' => '5f9ea0',
  43          'cadetblue1' => '98f5ff',
  44          'cadetblue2' => '8ee5ee',
  45          'cadetblue3' => '7ac5cd',
  46          'cadetblue4' => '53868b',
  47          'chartreuse1' => '7fff00',
  48          'chartreuse2' => '76ee00',
  49          'chartreuse3' => '66cd00',
  50          'chartreuse4' => '458b00',
  51          'chocolate' => 'd2691e',
  52          'chocolate1' => 'ff7f24',
  53          'chocolate2' => 'ee7621',
  54          'chocolate3' => 'cd661d',
  55          'coral' => 'ff7f50',
  56          'coral1' => 'ff7256',
  57          'coral2' => 'ee6a50',
  58          'coral3' => 'cd5b45',
  59          'coral4' => '8b3e2f',
  60          'cornflowerblue' => '6495ed',
  61          'cornsilk1' => 'fff8dc',
  62          'cornsilk2' => 'eee8cd',
  63          'cornsilk3' => 'cdc8b1',
  64          'cornsilk4' => '8b8878',
  65          'cyan1' => '00ffff',
  66          'cyan2' => '00eeee',
  67          'cyan3' => '00cdcd',
  68          'cyan4' => '008b8b',
  69          'darkgoldenrod' => 'b8860b',
  70          'darkgoldenrod1' => 'ffb90f',
  71          'darkgoldenrod2' => 'eead0e',
  72          'darkgoldenrod3' => 'cd950c',
  73          'darkgoldenrod4' => '8b6508',
  74          'darkgreen' => '006400',
  75          'darkkhaki' => 'bdb76b',
  76          'darkolivegreen' => '556b2f',
  77          'darkolivegreen1' => 'caff70',
  78          'darkolivegreen2' => 'bcee68',
  79          'darkolivegreen3' => 'a2cd5a',
  80          'darkolivegreen4' => '6e8b3d',
  81          'darkorange' => 'ff8c00',
  82          'darkorange1' => 'ff7f00',
  83          'darkorange2' => 'ee7600',
  84          'darkorange3' => 'cd6600',
  85          'darkorange4' => '8b4500',
  86          'darkorchid' => '9932cc',
  87          'darkorchid1' => 'bf3eff',
  88          'darkorchid2' => 'b23aee',
  89          'darkorchid3' => '9a32cd',
  90          'darkorchid4' => '68228b',
  91          'darksalmon' => 'e9967a',
  92          'darkseagreen' => '8fbc8f',
  93          'darkseagreen1' => 'c1ffc1',
  94          'darkseagreen2' => 'b4eeb4',
  95          'darkseagreen3' => '9bcd9b',
  96          'darkseagreen4' => '698b69',
  97          'darkslateblue' => '483d8b',
  98          'darkslategray' => '2f4f4f',
  99          'darkslategray1' => '97ffff',
 100          'darkslategray2' => '8deeee',
 101          'darkslategray3' => '79cdcd',
 102          'darkslategray4' => '528b8b',
 103          'darkturquoise' => '00ced1',
 104          'darkviolet' => '9400d3',
 105          'deeppink1' => 'ff1493',
 106          'deeppink2' => 'ee1289',
 107          'deeppink3' => 'cd1076',
 108          'deeppink4' => '8b0a50',
 109          'deepskyblue1' => '00bfff',
 110          'deepskyblue2' => '00b2ee',
 111          'deepskyblue3' => '009acd',
 112          'deepskyblue4' => '00688b',
 113          'dimgray' => '696969',
 114          'dodgerblue1' => '1e90ff',
 115          'dodgerblue2' => '1c86ee',
 116          'dodgerblue3' => '1874cd',
 117          'dodgerblue4' => '104e8b',
 118          'firebrick' => 'b22222',
 119          'firebrick1' => 'ff3030',
 120          'firebrick2' => 'ee2c2c',
 121          'firebrick3' => 'cd2626',
 122          'firebrick4' => '8b1a1a',
 123          'floralwhite' => 'fffaf0',
 124          'forestgreen' => '228b22',
 125          'fuchsia' => 'ff00ff',
 126          'gainsboro' => 'dcdcdc',
 127          'ghostwhite' => 'f8f8ff',
 128          'gold1' => 'ffd700',
 129          'gold2' => 'eec900',
 130          'gold3' => 'cdad00',
 131          'gold4' => '8b7500',
 132          'goldenrod' => 'daa520',
 133          'goldenrod1' => 'ffc125',
 134          'goldenrod2' => 'eeb422',
 135          'goldenrod3' => 'cd9b1d',
 136          'goldenrod4' => '8b6914',
 137          'gray' => 'bebebe',
 138          'gray1' => '030303',
 139          'gray10' => '1a1a1a',
 140          'gray11' => '1c1c1c',
 141          'gray12' => '1f1f1f',
 142          'gray13' => '212121',
 143          'gray14' => '242424',
 144          'gray15' => '262626',
 145          'gray16' => '292929',
 146          'gray17' => '2b2b2b',
 147          'gray18' => '2e2e2e',
 148          'gray19' => '303030',
 149          'gray2' => '050505',
 150          'gray20' => '333333',
 151          'gray21' => '363636',
 152          'gray22' => '383838',
 153          'gray23' => '3b3b3b',
 154          'gray24' => '3d3d3d',
 155          'gray25' => '404040',
 156          'gray26' => '424242',
 157          'gray27' => '454545',
 158          'gray28' => '474747',
 159          'gray29' => '4a4a4a',
 160          'gray3' => '080808',
 161          'gray30' => '4d4d4d',
 162          'gray31' => '4f4f4f',
 163          'gray32' => '525252',
 164          'gray33' => '545454',
 165          'gray34' => '575757',
 166          'gray35' => '595959',
 167          'gray36' => '5c5c5c',
 168          'gray37' => '5e5e5e',
 169          'gray38' => '616161',
 170          'gray39' => '636363',
 171          'gray4' => '0a0a0a',
 172          'gray40' => '666666',
 173          'gray41' => '696969',
 174          'gray42' => '6b6b6b',
 175          'gray43' => '6e6e6e',
 176          'gray44' => '707070',
 177          'gray45' => '737373',
 178          'gray46' => '757575',
 179          'gray47' => '787878',
 180          'gray48' => '7a7a7a',
 181          'gray49' => '7d7d7d',
 182          'gray5' => '0d0d0d',
 183          'gray50' => '7f7f7f',
 184          'gray51' => '828282',
 185          'gray52' => '858585',
 186          'gray53' => '878787',
 187          'gray54' => '8a8a8a',
 188          'gray55' => '8c8c8c',
 189          'gray56' => '8f8f8f',
 190          'gray57' => '919191',
 191          'gray58' => '949494',
 192          'gray59' => '969696',
 193          'gray6' => '0f0f0f',
 194          'gray60' => '999999',
 195          'gray61' => '9c9c9c',
 196          'gray62' => '9e9e9e',
 197          'gray63' => 'a1a1a1',
 198          'gray64' => 'a3a3a3',
 199          'gray65' => 'a6a6a6',
 200          'gray66' => 'a8a8a8',
 201          'gray67' => 'ababab',
 202          'gray68' => 'adadad',
 203          'gray69' => 'b0b0b0',
 204          'gray7' => '121212',
 205          'gray70' => 'b3b3b3',
 206          'gray71' => 'b5b5b5',
 207          'gray72' => 'b8b8b8',
 208          'gray73' => 'bababa',
 209          'gray74' => 'bdbdbd',
 210          'gray75' => 'bfbfbf',
 211          'gray76' => 'c2c2c2',
 212          'gray77' => 'c4c4c4',
 213          'gray78' => 'c7c7c7',
 214          'gray79' => 'c9c9c9',
 215          'gray8' => '141414',
 216          'gray80' => 'cccccc',
 217          'gray81' => 'cfcfcf',
 218          'gray82' => 'd1d1d1',
 219          'gray83' => 'd4d4d4',
 220          'gray84' => 'd6d6d6',
 221          'gray85' => 'd9d9d9',
 222          'gray86' => 'dbdbdb',
 223          'gray87' => 'dedede',
 224          'gray88' => 'e0e0e0',
 225          'gray89' => 'e3e3e3',
 226          'gray9' => '171717',
 227          'gray90' => 'e5e5e5',
 228          'gray91' => 'e8e8e8',
 229          'gray92' => 'ebebeb',
 230          'gray93' => 'ededed',
 231          'gray94' => 'f0f0f0',
 232          'gray95' => 'f2f2f2',
 233          'gray97' => 'f7f7f7',
 234          'gray98' => 'fafafa',
 235          'gray99' => 'fcfcfc',
 236          'green' => '00ff00',
 237          'green1' => '00ff00',
 238          'green2' => '00ee00',
 239          'green3' => '00cd00',
 240          'green4' => '008b00',
 241          'greenyellow' => 'adff2f',
 242          'honeydew1' => 'f0fff0',
 243          'honeydew2' => 'e0eee0',
 244          'honeydew3' => 'c1cdc1',
 245          'honeydew4' => '838b83',
 246          'hotpink' => 'ff69b4',
 247          'hotpink1' => 'ff6eb4',
 248          'hotpink2' => 'ee6aa7',
 249          'hotpink3' => 'cd6090',
 250          'hotpink4' => '8b3a62',
 251          'indianred' => 'cd5c5c',
 252          'indianred1' => 'ff6a6a',
 253          'indianred2' => 'ee6363',
 254          'indianred3' => 'cd5555',
 255          'indianred4' => '8b3a3a',
 256          'ivory1' => 'fffff0',
 257          'ivory2' => 'eeeee0',
 258          'ivory3' => 'cdcdc1',
 259          'ivory4' => '8b8b83',
 260          'khaki' => 'f0e68c',
 261          'khaki1' => 'fff68f',
 262          'khaki2' => 'eee685',
 263          'khaki3' => 'cdc673',
 264          'khaki4' => '8b864e',
 265          'lavender' => 'e6e6fa',
 266          'lavenderblush1' => 'fff0f5',
 267          'lavenderblush2' => 'eee0e5',
 268          'lavenderblush3' => 'cdc1c5',
 269          'lavenderblush4' => '8b8386',
 270          'lawngreen' => '7cfc00',
 271          'lemonchiffon1' => 'fffacd',
 272          'lemonchiffon2' => 'eee9bf',
 273          'lemonchiffon3' => 'cdc9a5',
 274          'lemonchiffon4' => '8b8970',
 275          'light' => 'eedd82',
 276          'lightblue' => 'add8e6',
 277          'lightblue1' => 'bfefff',
 278          'lightblue2' => 'b2dfee',
 279          'lightblue3' => '9ac0cd',
 280          'lightblue4' => '68838b',
 281          'lightcoral' => 'f08080',
 282          'lightcyan1' => 'e0ffff',
 283          'lightcyan2' => 'd1eeee',
 284          'lightcyan3' => 'b4cdcd',
 285          'lightcyan4' => '7a8b8b',
 286          'lightgoldenrod1' => 'ffec8b',
 287          'lightgoldenrod2' => 'eedc82',
 288          'lightgoldenrod3' => 'cdbe70',
 289          'lightgoldenrod4' => '8b814c',
 290          'lightgoldenrodyellow' => 'fafad2',
 291          'lightgray' => 'd3d3d3',
 292          'lightpink' => 'ffb6c1',
 293          'lightpink1' => 'ffaeb9',
 294          'lightpink2' => 'eea2ad',
 295          'lightpink3' => 'cd8c95',
 296          'lightpink4' => '8b5f65',
 297          'lightsalmon1' => 'ffa07a',
 298          'lightsalmon2' => 'ee9572',
 299          'lightsalmon3' => 'cd8162',
 300          'lightsalmon4' => '8b5742',
 301          'lightseagreen' => '20b2aa',
 302          'lightskyblue' => '87cefa',
 303          'lightskyblue1' => 'b0e2ff',
 304          'lightskyblue2' => 'a4d3ee',
 305          'lightskyblue3' => '8db6cd',
 306          'lightskyblue4' => '607b8b',
 307          'lightslateblue' => '8470ff',
 308          'lightslategray' => '778899',
 309          'lightsteelblue' => 'b0c4de',
 310          'lightsteelblue1' => 'cae1ff',
 311          'lightsteelblue2' => 'bcd2ee',
 312          'lightsteelblue3' => 'a2b5cd',
 313          'lightsteelblue4' => '6e7b8b',
 314          'lightyellow1' => 'ffffe0',
 315          'lightyellow2' => 'eeeed1',
 316          'lightyellow3' => 'cdcdb4',
 317          'lightyellow4' => '8b8b7a',
 318          'lime' => '00ff00',
 319          'limegreen' => '32cd32',
 320          'linen' => 'faf0e6',
 321          'magenta' => 'ff00ff',
 322          'magenta2' => 'ee00ee',
 323          'magenta3' => 'cd00cd',
 324          'magenta4' => '8b008b',
 325          'maroon' => 'b03060',
 326          'maroon1' => 'ff34b3',
 327          'maroon2' => 'ee30a7',
 328          'maroon3' => 'cd2990',
 329          'maroon4' => '8b1c62',
 330          'medium' => '66cdaa',
 331          'mediumaquamarine' => '66cdaa',
 332          'mediumblue' => '0000cd',
 333          'mediumorchid' => 'ba55d3',
 334          'mediumorchid1' => 'e066ff',
 335          'mediumorchid2' => 'd15fee',
 336          'mediumorchid3' => 'b452cd',
 337          'mediumorchid4' => '7a378b',
 338          'mediumpurple' => '9370db',
 339          'mediumpurple1' => 'ab82ff',
 340          'mediumpurple2' => '9f79ee',
 341          'mediumpurple3' => '8968cd',
 342          'mediumpurple4' => '5d478b',
 343          'mediumseagreen' => '3cb371',
 344          'mediumslateblue' => '7b68ee',
 345          'mediumspringgreen' => '00fa9a',
 346          'mediumturquoise' => '48d1cc',
 347          'mediumvioletred' => 'c71585',
 348          'midnightblue' => '191970',
 349          'mintcream' => 'f5fffa',
 350          'mistyrose1' => 'ffe4e1',
 351          'mistyrose2' => 'eed5d2',
 352          'mistyrose3' => 'cdb7b5',
 353          'mistyrose4' => '8b7d7b',
 354          'moccasin' => 'ffe4b5',
 355          'navajowhite1' => 'ffdead',
 356          'navajowhite2' => 'eecfa1',
 357          'navajowhite3' => 'cdb38b',
 358          'navajowhite4' => '8b795e',
 359          'navy' => '000080',
 360          'navyblue' => '000080',
 361          'oldlace' => 'fdf5e6',
 362          'olive' => '808000',
 363          'olivedrab' => '6b8e23',
 364          'olivedrab1' => 'c0ff3e',
 365          'olivedrab2' => 'b3ee3a',
 366          'olivedrab4' => '698b22',
 367          'orange' => 'ffa500',
 368          'orange1' => 'ffa500',
 369          'orange2' => 'ee9a00',
 370          'orange3' => 'cd8500',
 371          'orange4' => '8b5a00',
 372          'orangered1' => 'ff4500',
 373          'orangered2' => 'ee4000',
 374          'orangered3' => 'cd3700',
 375          'orangered4' => '8b2500',
 376          'orchid' => 'da70d6',
 377          'orchid1' => 'ff83fa',
 378          'orchid2' => 'ee7ae9',
 379          'orchid3' => 'cd69c9',
 380          'orchid4' => '8b4789',
 381          'pale' => 'db7093',
 382          'palegoldenrod' => 'eee8aa',
 383          'palegreen' => '98fb98',
 384          'palegreen1' => '9aff9a',
 385          'palegreen2' => '90ee90',
 386          'palegreen3' => '7ccd7c',
 387          'palegreen4' => '548b54',
 388          'paleturquoise' => 'afeeee',
 389          'paleturquoise1' => 'bbffff',
 390          'paleturquoise2' => 'aeeeee',
 391          'paleturquoise3' => '96cdcd',
 392          'paleturquoise4' => '668b8b',
 393          'palevioletred' => 'db7093',
 394          'palevioletred1' => 'ff82ab',
 395          'palevioletred2' => 'ee799f',
 396          'palevioletred3' => 'cd6889',
 397          'palevioletred4' => '8b475d',
 398          'papayawhip' => 'ffefd5',
 399          'peachpuff1' => 'ffdab9',
 400          'peachpuff2' => 'eecbad',
 401          'peachpuff3' => 'cdaf95',
 402          'peachpuff4' => '8b7765',
 403          'pink' => 'ffc0cb',
 404          'pink1' => 'ffb5c5',
 405          'pink2' => 'eea9b8',
 406          'pink3' => 'cd919e',
 407          'pink4' => '8b636c',
 408          'plum' => 'dda0dd',
 409          'plum1' => 'ffbbff',
 410          'plum2' => 'eeaeee',
 411          'plum3' => 'cd96cd',
 412          'plum4' => '8b668b',
 413          'powderblue' => 'b0e0e6',
 414          'purple' => 'a020f0',
 415          'rebeccapurple' => '663399',
 416          'purple1' => '9b30ff',
 417          'purple2' => '912cee',
 418          'purple3' => '7d26cd',
 419          'purple4' => '551a8b',
 420          'red' => 'ff0000',
 421          'red1' => 'ff0000',
 422          'red2' => 'ee0000',
 423          'red3' => 'cd0000',
 424          'red4' => '8b0000',
 425          'rosybrown' => 'bc8f8f',
 426          'rosybrown1' => 'ffc1c1',
 427          'rosybrown2' => 'eeb4b4',
 428          'rosybrown3' => 'cd9b9b',
 429          'rosybrown4' => '8b6969',
 430          'royalblue' => '4169e1',
 431          'royalblue1' => '4876ff',
 432          'royalblue2' => '436eee',
 433          'royalblue3' => '3a5fcd',
 434          'royalblue4' => '27408b',
 435          'saddlebrown' => '8b4513',
 436          'salmon' => 'fa8072',
 437          'salmon1' => 'ff8c69',
 438          'salmon2' => 'ee8262',
 439          'salmon3' => 'cd7054',
 440          'salmon4' => '8b4c39',
 441          'sandybrown' => 'f4a460',
 442          'seagreen1' => '54ff9f',
 443          'seagreen2' => '4eee94',
 444          'seagreen3' => '43cd80',
 445          'seagreen4' => '2e8b57',
 446          'seashell1' => 'fff5ee',
 447          'seashell2' => 'eee5de',
 448          'seashell3' => 'cdc5bf',
 449          'seashell4' => '8b8682',
 450          'sienna' => 'a0522d',
 451          'sienna1' => 'ff8247',
 452          'sienna2' => 'ee7942',
 453          'sienna3' => 'cd6839',
 454          'sienna4' => '8b4726',
 455          'silver' => 'c0c0c0',
 456          'skyblue' => '87ceeb',
 457          'skyblue1' => '87ceff',
 458          'skyblue2' => '7ec0ee',
 459          'skyblue3' => '6ca6cd',
 460          'skyblue4' => '4a708b',
 461          'slateblue' => '6a5acd',
 462          'slateblue1' => '836fff',
 463          'slateblue2' => '7a67ee',
 464          'slateblue3' => '6959cd',
 465          'slateblue4' => '473c8b',
 466          'slategray' => '708090',
 467          'slategray1' => 'c6e2ff',
 468          'slategray2' => 'b9d3ee',
 469          'slategray3' => '9fb6cd',
 470          'slategray4' => '6c7b8b',
 471          'snow1' => 'fffafa',
 472          'snow2' => 'eee9e9',
 473          'snow3' => 'cdc9c9',
 474          'snow4' => '8b8989',
 475          'springgreen1' => '00ff7f',
 476          'springgreen2' => '00ee76',
 477          'springgreen3' => '00cd66',
 478          'springgreen4' => '008b45',
 479          'steelblue' => '4682b4',
 480          'steelblue1' => '63b8ff',
 481          'steelblue2' => '5cacee',
 482          'steelblue3' => '4f94cd',
 483          'steelblue4' => '36648b',
 484          'tan' => 'd2b48c',
 485          'tan1' => 'ffa54f',
 486          'tan2' => 'ee9a49',
 487          'tan3' => 'cd853f',
 488          'tan4' => '8b5a2b',
 489          'teal' => '008080',
 490          'thistle' => 'd8bfd8',
 491          'thistle1' => 'ffe1ff',
 492          'thistle2' => 'eed2ee',
 493          'thistle3' => 'cdb5cd',
 494          'thistle4' => '8b7b8b',
 495          'tomato1' => 'ff6347',
 496          'tomato2' => 'ee5c42',
 497          'tomato3' => 'cd4f39',
 498          'tomato4' => '8b3626',
 499          'turquoise' => '40e0d0',
 500          'turquoise1' => '00f5ff',
 501          'turquoise2' => '00e5ee',
 502          'turquoise3' => '00c5cd',
 503          'turquoise4' => '00868b',
 504          'violet' => 'ee82ee',
 505          'violetred' => 'd02090',
 506          'violetred1' => 'ff3e96',
 507          'violetred2' => 'ee3a8c',
 508          'violetred3' => 'cd3278',
 509          'violetred4' => '8b2252',
 510          'wheat' => 'f5deb3',
 511          'wheat1' => 'ffe7ba',
 512          'wheat2' => 'eed8ae',
 513          'wheat3' => 'cdba96',
 514          'wheat4' => '8b7e66',
 515          'white' => 'ffffff',
 516          'whitesmoke' => 'f5f5f5',
 517          'yellow' => 'ffff00',
 518          'yellow1' => 'ffff00',
 519          'yellow2' => 'eeee00',
 520          'yellow3' => 'cdcd00',
 521          'yellow4' => '8b8b00',
 522          'yellowgreen' => '9acd32',
 523      );
 524  
 525      protected $face;
 526      protected $size;
 527      protected $color;
 528  
 529      protected $bold = false;
 530      protected $italic = false;
 531      protected $underline = false;
 532      protected $superscript = false;
 533      protected $subscript = false;
 534      protected $strikethrough = false;
 535  
 536      protected $startTagCallbacks = array(
 537          'font' => 'startFontTag',
 538          'b' => 'startBoldTag',
 539          'strong' => 'startBoldTag',
 540          'i' => 'startItalicTag',
 541          'em' => 'startItalicTag',
 542          'u' => 'startUnderlineTag',
 543          'ins' => 'startUnderlineTag',
 544          'del' => 'startStrikethruTag',
 545          'sup' => 'startSuperscriptTag',
 546          'sub' => 'startSubscriptTag',
 547      );
 548  
 549      protected $endTagCallbacks = array(
 550          'font' => 'endFontTag',
 551          'b' => 'endBoldTag',
 552          'strong' => 'endBoldTag',
 553          'i' => 'endItalicTag',
 554          'em' => 'endItalicTag',
 555          'u' => 'endUnderlineTag',
 556          'ins' => 'endUnderlineTag',
 557          'del' => 'endStrikethruTag',
 558          'sup' => 'endSuperscriptTag',
 559          'sub' => 'endSubscriptTag',
 560          'br' => 'breakTag',
 561          'p' => 'breakTag',
 562          'h1' => 'breakTag',
 563          'h2' => 'breakTag',
 564          'h3' => 'breakTag',
 565          'h4' => 'breakTag',
 566          'h5' => 'breakTag',
 567          'h6' => 'breakTag',
 568      );
 569  
 570      protected $stack = array();
 571  
 572      protected $stringData = '';
 573  
 574      protected $richTextObject;
 575  
 576      protected function initialise()
 577      {
 578          $this->face = $this->size = $this->color = null;
 579          $this->bold = $this->italic = $this->underline = $this->superscript = $this->subscript = $this->strikethrough = false;
 580  
 581          $this->stack = array();
 582  
 583          $this->stringData = '';
 584      }
 585  
 586      public function toRichTextObject($html)
 587      {
 588          $this->initialise();
 589  
 590          //  Create a new DOM object
 591          $dom = new \DOMDocument;
 592          //  Load the HTML file into the DOM object
 593          //  Note the use of error suppression, because typically this will be an html fragment, so not fully valid markup
 594          $loaded = @$dom->loadHTML($html);
 595  
 596          //  Discard excess white space
 597          $dom->preserveWhiteSpace = false;
 598  
 599          $this->richTextObject = new PHPExcel_RichText();;
 600          $this->parseElements($dom);
 601  
 602          // Clean any further spurious whitespace
 603          $this->cleanWhitespace();
 604  
 605          return $this->richTextObject;
 606      }
 607  
 608      protected function cleanWhitespace()
 609      {
 610          foreach ($this->richTextObject->getRichTextElements() as $key => $element) {
 611              $text = $element->getText();
 612              // Trim any leading spaces on the first run
 613              if ($key == 0) {
 614                  $text = ltrim($text);
 615              }
 616              // Trim any spaces immediately after a line break
 617              $text = preg_replace('/\n */mu', "\n", $text);
 618              $element->setText($text);
 619          }
 620      }
 621  
 622      protected function buildTextRun()
 623      {
 624          $text = $this->stringData;
 625          if (trim($text) === '') {
 626              return;
 627          }
 628  
 629          $richtextRun = $this->richTextObject->createTextRun($this->stringData);
 630          if ($this->face) {
 631              $richtextRun->getFont()->setName($this->face);
 632          }
 633          if ($this->size) {
 634              $richtextRun->getFont()->setSize($this->size);
 635          }
 636          if ($this->color) {
 637              $richtextRun->getFont()->setColor(new PHPExcel_Style_Color('ff' . $this->color));
 638          }
 639          if ($this->bold) {
 640              $richtextRun->getFont()->setBold(true);
 641          }
 642          if ($this->italic) {
 643              $richtextRun->getFont()->setItalic(true);
 644          }
 645          if ($this->underline) {
 646              $richtextRun->getFont()->setUnderline(PHPExcel_Style_Font::UNDERLINE_SINGLE);
 647          }
 648          if ($this->superscript) {
 649              $richtextRun->getFont()->setSuperScript(true);
 650          }
 651          if ($this->subscript) {
 652              $richtextRun->getFont()->setSubScript(true);
 653          }
 654          if ($this->strikethrough) {
 655              $richtextRun->getFont()->setStrikethrough(true);
 656          }
 657          $this->stringData = '';
 658      }
 659  
 660      protected function rgbToColour($rgb)
 661      {
 662          preg_match_all('/\d+/', $rgb, $values);
 663          foreach ($values[0] as &$value) {
 664              $value = str_pad(dechex($value), 2, '0', STR_PAD_LEFT);
 665          }
 666          return implode($values[0]);
 667      }
 668  
 669      protected function colourNameLookup($rgb)
 670      {
 671          return self::$colourMap[$rgb];
 672      }
 673  
 674      protected function startFontTag($tag)
 675      {
 676          foreach ($tag->attributes as $attribute) {
 677              $attributeName = strtolower($attribute->name);
 678              $attributeValue = $attribute->value;
 679  
 680              if ($attributeName == 'color') {
 681                  if (preg_match('/rgb\s*\(/', $attributeValue)) {
 682                      $this->$attributeName = $this->rgbToColour($attributeValue);
 683                  } elseif (strpos(trim($attributeValue), '#') === 0) {
 684                      $this->$attributeName = ltrim($attributeValue, '#');
 685                  } else {
 686                      $this->$attributeName = $this->colourNameLookup($attributeValue);
 687                  }
 688              } else {
 689                  $this->$attributeName = $attributeValue;
 690              }
 691          }
 692      }
 693  
 694      protected function endFontTag()
 695      {
 696          $this->face = $this->size = $this->color = null;
 697      }
 698  
 699      protected function startBoldTag()
 700      {
 701          $this->bold = true;
 702      }
 703  
 704      protected function endBoldTag()
 705      {
 706          $this->bold = false;
 707      }
 708  
 709      protected function startItalicTag()
 710      {
 711          $this->italic = true;
 712      }
 713  
 714      protected function endItalicTag()
 715      {
 716          $this->italic = false;
 717      }
 718  
 719      protected function startUnderlineTag()
 720      {
 721          $this->underline = true;
 722      }
 723  
 724      protected function endUnderlineTag()
 725      {
 726          $this->underline = false;
 727      }
 728  
 729      protected function startSubscriptTag()
 730      {
 731          $this->subscript = true;
 732      }
 733  
 734      protected function endSubscriptTag()
 735      {
 736          $this->subscript = false;
 737      }
 738  
 739      protected function startSuperscriptTag()
 740      {
 741          $this->superscript = true;
 742      }
 743  
 744      protected function endSuperscriptTag()
 745      {
 746          $this->superscript = false;
 747      }
 748  
 749      protected function startStrikethruTag()
 750      {
 751          $this->strikethrough = true;
 752      }
 753  
 754      protected function endStrikethruTag()
 755      {
 756          $this->strikethrough = false;
 757      }
 758  
 759      protected function breakTag()
 760      {
 761          $this->stringData .= "\n";
 762      }
 763  
 764      protected function parseTextNode(DOMText $textNode)
 765      {
 766          $domText = preg_replace(
 767              '/\s+/u',
 768              ' ',
 769              str_replace(["\r", "\n"], ' ', $textNode->nodeValue)
 770          );
 771          $this->stringData .= $domText;
 772          $this->buildTextRun();
 773      }
 774  
 775      protected function handleCallback($element, $callbackTag, $callbacks)
 776      {
 777          if (isset($callbacks[$callbackTag])) {
 778              $elementHandler = $callbacks[$callbackTag];
 779              if (method_exists($this, $elementHandler)) {
 780                  call_user_func(array($this, $elementHandler), $element);
 781              }
 782          }
 783      }
 784  
 785      protected function parseElementNode(DOMElement $element)
 786      {
 787          $callbackTag = strtolower($element->nodeName);
 788          $this->stack[] = $callbackTag;
 789  
 790          $this->handleCallback($element, $callbackTag, $this->startTagCallbacks);
 791  
 792          $this->parseElements($element);
 793          array_pop($this->stack);
 794  
 795          $this->handleCallback($element, $callbackTag, $this->endTagCallbacks);
 796      }
 797  
 798      protected function parseElements(DOMNode $element)
 799      {
 800          foreach ($element->childNodes as $child) {
 801              if ($child instanceof DOMText) {
 802                  $this->parseTextNode($child);
 803              } elseif ($child instanceof DOMElement) {
 804                  $this->parseElementNode($child);
 805              }
 806          }
 807      }
 808  }