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Revision Log
Attribute parsing bug fixed
| 1 | wakaba | 1.1 | <!DOCTYPE HTML> |
| 2 | <html lang=en> | ||
| 3 | <head> | ||
| 4 | wakaba | 1.8 | <title>Live Scripting HTML Parser</title> |
| 5 | wakaba | 1.1 | <style> |
| 6 | wakaba | 1.7 | h1, h2 { |
| 7 | margin: 0; | ||
| 8 | font-size: 100%; | ||
| 9 | } | ||
| 10 | p, pre { | ||
| 11 | margin: 0; | ||
| 12 | } | ||
| 13 | wakaba | 1.1 | textarea { |
| 14 | wakaba | 1.7 | width: 100%; |
| 15 | -width: 99%; | ||
| 16 | height: 10em; | ||
| 17 | wakaba | 1.1 | } |
| 18 | output { | ||
| 19 | display: block; | ||
| 20 | font-family: monospace; | ||
| 21 | wakaba | 1.4 | white-space: -moz-pre-wrap; |
| 22 | white-space: pre-wrap; | ||
| 23 | wakaba | 1.1 | } |
| 24 | </style> | ||
| 25 | <script> | ||
| 26 | wakaba | 1.7 | var delayedUpdater = 0; |
| 27 | |||
| 28 | wakaba | 1.1 | function update () { |
| 29 | wakaba | 1.7 | if (delayedUpdater) { |
| 30 | clearTimeout (delayedUpdater); | ||
| 31 | delayedUpdater = 0; | ||
| 32 | } | ||
| 33 | delayedUpdater = setTimeout (update2, 100); | ||
| 34 | } // update | ||
| 35 | |||
| 36 | function update2 () { | ||
| 37 | var v = document.sourceElement.value; | ||
| 38 | wakaba | 1.8 | if (v != document.previousSourceText) { |
| 39 | document.previousSourceText = v; | ||
| 40 | document.links['permalink'].href | ||
| 41 | = location.pathname + '?s=' + encodeURIComponent (v); | ||
| 42 | document.links['ldvlink'].href | ||
| 43 | = 'http://software.hixie.ch/utilities/js/live-dom-viewer/?' | ||
| 44 | + encodeURIComponent (v); | ||
| 45 | |||
| 46 | document.logElement.textContent = ''; | ||
| 47 | var p = new Parser (new InputStream (v)); | ||
| 48 | var doc = p.doc; | ||
| 49 | p.parse (); | ||
| 50 | log (dumpTree (doc, '')); | ||
| 51 | } | ||
| 52 | wakaba | 1.7 | } // update2 |
| 53 | wakaba | 1.1 | |
| 54 | wakaba | 1.6 | var logIndentLevel = 0; |
| 55 | wakaba | 1.1 | function log (s) { |
| 56 | wakaba | 1.6 | for (var i = 0; i < logIndentLevel; i++) { |
| 57 | s = ' ' + s; | ||
| 58 | } | ||
| 59 | wakaba | 1.1 | document.logElement.appendChild (document.createTextNode (s + "\n")); |
| 60 | } // log | ||
| 61 | |||
| 62 | function InputStream (s) { | ||
| 63 | this.s = s; | ||
| 64 | } // InputStream | ||
| 65 | |||
| 66 | wakaba | 1.4 | function Parser (i, doc) { |
| 67 | wakaba | 1.1 | this.parseMode = 'pcdata'; |
| 68 | wakaba | 1.4 | if (!doc) { |
| 69 | doc = new JSDocument (this); | ||
| 70 | doc.manakaiIsHTML = true; | ||
| 71 | } | ||
| 72 | this.doc = doc; | ||
| 73 | this.openElements = [doc]; | ||
| 74 | wakaba | 1.8 | this.input = i; |
| 75 | wakaba | 1.4 | this.scriptsExecutedAfterParsing = []; |
| 76 | wakaba | 1.1 | } // Parser |
| 77 | |||
| 78 | wakaba | 1.2 | Parser.prototype.getNextToken = function () { |
| 79 | wakaba | 1.3 | var p = this; |
| 80 | wakaba | 1.8 | var i = this.input; |
| 81 | wakaba | 1.1 | if (this.parseMode == 'script') { |
| 82 | var token; | ||
| 83 | wakaba | 1.3 | if (p.insertionPoint <= 0) { |
| 84 | return {type: 'abort'}; | ||
| 85 | } | ||
| 86 | wakaba | 1.4 | i.s = i.s.replace (/^([^<]+)/, |
| 87 | wakaba | 1.1 | function (s, t) { |
| 88 | wakaba | 1.3 | if (0 < p.insertionPoint && p.insertionPoint < t.length) { |
| 89 | token = {type: 'char', value: t.substring (0, p.insertionPoint)}; | ||
| 90 | var ip = p.insertionPoint; | ||
| 91 | p.insertionPoint = 0; | ||
| 92 | wakaba | 1.4 | return t.substring (ip, t.length); |
| 93 | wakaba | 1.3 | } |
| 94 | wakaba | 1.1 | token = {type: 'char', value: t}; |
| 95 | wakaba | 1.4 | p.insertionPoint -= t.length; |
| 96 | return ''; | ||
| 97 | wakaba | 1.1 | }); |
| 98 | if (token) return token; | ||
| 99 | wakaba | 1.3 | i.s = i.s.replace (/^<\/[Ss][Cc][Rr][Ii][Pp][Tt]>/, function (s) { |
| 100 | wakaba | 1.4 | if (p.insertionPoint < s.length) { |
| 101 | wakaba | 1.3 | token = {type: 'abort'}; |
| 102 | return s; | ||
| 103 | } | ||
| 104 | wakaba | 1.1 | token = {type: 'end-tag', value: 'script'}; |
| 105 | wakaba | 1.3 | p.insertionPoint -= s.length; |
| 106 | wakaba | 1.1 | return ''; |
| 107 | }); | ||
| 108 | if (token) return token; | ||
| 109 | wakaba | 1.5 | var m; |
| 110 | if ((p.insertionPoint < '</script'.length) && | ||
| 111 | (m = i.s.match (/^<\/([SCRIPTscript]+)/))) { | ||
| 112 | var v = m[1].substring (0, p.insertionPoint).toLowerCase (); | ||
| 113 | if (v == 'script'.substring (0, p.insertionPoint - '</'.length)) { | ||
| 114 | return {type: 'abort'}; | ||
| 115 | } | ||
| 116 | } | ||
| 117 | wakaba | 1.4 | i.s = i.s.replace (/^</, |
| 118 | function (s) { | ||
| 119 | token = {type: 'char', value: s}; | ||
| 120 | p.insertionPoint -= s.length; | ||
| 121 | return ''; | ||
| 122 | }); | ||
| 123 | if (token) return token; | ||
| 124 | wakaba | 1.1 | return {type: 'eof'}; |
| 125 | } | ||
| 126 | |||
| 127 | var token; | ||
| 128 | wakaba | 1.5 | i.s = i.s.replace (/^<\/([^>]+)(?:>|$)/, function (s, e) { |
| 129 | if (p.insertionPoint < s.length || | ||
| 130 | (p.insertionPoint <= s.length && | ||
| 131 | s.substring (s.length - 1, 1) != '>')) { | ||
| 132 | wakaba | 1.3 | token = {type: 'abort'}; |
| 133 | return s; | ||
| 134 | } | ||
| 135 | wakaba | 1.1 | token = {type: 'end-tag', value: e.toLowerCase ()}; |
| 136 | wakaba | 1.3 | p.insertionPoint -= s.length; |
| 137 | wakaba | 1.1 | return ''; |
| 138 | }); | ||
| 139 | if (token) return token; | ||
| 140 | wakaba | 1.5 | i.s = i.s.replace (/^<([^>]+)(?:>|$)/, function (s, e) { |
| 141 | if (p.insertionPoint < s.length || | ||
| 142 | (p.insertionPoint <= s.length && | ||
| 143 | s.substring (s.length - 1, 1) != '>')) { | ||
| 144 | wakaba | 1.3 | token = {type: 'abort'}; |
| 145 | return s; | ||
| 146 | } | ||
| 147 | wakaba | 1.4 | var tagName; |
| 148 | var attrs = {}; | ||
| 149 | e = e.replace (/^[\S]+/, function (v) { | ||
| 150 | tagName = v.toLowerCase (); | ||
| 151 | return ''; | ||
| 152 | }); | ||
| 153 | wakaba | 1.9 | while (true) { |
| 154 | var m = false; | ||
| 155 | e = e.replace (/^\s*([^\s=]+)\s*(?:=\s*(?:"([^"]*)"|'([^']*)'|([^"'\s]*)))?/, | ||
| 156 | function (x, attrName, attrValue1, attrValue2, attrValue3) { | ||
| 157 | v = attrValue1 || attrValue2 || attrValue3; | ||
| 158 | v = v.replace (/"/g, '"').replace (/'/g, "'") | ||
| 159 | .replace (/&/g, '&'); | ||
| 160 | attrs[attrName.toLowerCase ()] = v; | ||
| 161 | m = true; | ||
| 162 | return ''; | ||
| 163 | }); | ||
| 164 | if (!m) break; | ||
| 165 | } | ||
| 166 | wakaba | 1.6 | if (e.length) { |
| 167 | log ('Broken start tag: "' + e + '"'); | ||
| 168 | } | ||
| 169 | wakaba | 1.4 | token = {type: 'start-tag', value: tagName, attrs: attrs}; |
| 170 | wakaba | 1.3 | p.insertionPoint -= s.length; |
| 171 | wakaba | 1.1 | return ''; |
| 172 | }); | ||
| 173 | if (token) return token; | ||
| 174 | wakaba | 1.3 | if (p.insertionPoint <= 0) { |
| 175 | return {type: 'abort'}; | ||
| 176 | } | ||
| 177 | wakaba | 1.1 | i.s = i.s.replace (/^[^<]+/, function (s) { |
| 178 | wakaba | 1.3 | if (p.insertionPoint < s.length) { |
| 179 | token = {type: 'char', value: s.substring (0, p.insertionPoint)}; | ||
| 180 | var ip = p.insertionPoint; | ||
| 181 | p.insertionPoint = 0; | ||
| 182 | return s.substring (ip, s.length); | ||
| 183 | } | ||
| 184 | wakaba | 1.1 | token = {type: 'char', value: s}; |
| 185 | wakaba | 1.3 | p.insertionPoint -= s.length; |
| 186 | wakaba | 1.1 | return ''; |
| 187 | }); | ||
| 188 | if (token) return token; | ||
| 189 | i.s = i.s.replace (/^[\s\S]/, function (s) { | ||
| 190 | token = {type: 'char', value: s}; | ||
| 191 | wakaba | 1.3 | p.insertionPoint -= s.length; |
| 192 | wakaba | 1.1 | return ''; |
| 193 | }); | ||
| 194 | if (token) return token; | ||
| 195 | return {type: 'eof'}; | ||
| 196 | } // getNextToken | ||
| 197 | |||
| 198 | wakaba | 1.2 | Parser.prototype.parse = function () { |
| 199 | wakaba | 1.6 | logIndentLevel++; |
| 200 | log ('parse: start'); | ||
| 201 | wakaba | 1.1 | |
| 202 | while (true) { | ||
| 203 | wakaba | 1.2 | var token = this.getNextToken (); |
| 204 | wakaba | 1.1 | log ('token: ' + token.type + ' "' + token.value + '"'); |
| 205 | |||
| 206 | if (token.type == 'start-tag') { | ||
| 207 | if (token.value == 'script') { | ||
| 208 | wakaba | 1.2 | // 1. Create an element for the token in the HTML namespace. |
| 209 | var el = new JSElement (this.doc, token.value); | ||
| 210 | wakaba | 1.4 | if (token.attrs.async != null) el.async = true; |
| 211 | if (token.attrs.defer != null) el.defer = true; | ||
| 212 | if (token.attrs.src != null) el.src = token.attrs.src; | ||
| 213 | wakaba | 1.2 | |
| 214 | // 2. Mark the element as being "parser-inserted". | ||
| 215 | el.manakaiParserInserted = true; | ||
| 216 | |||
| 217 | // 3. Switch the tokeniser's content model flag to the CDATA state. | ||
| 218 | wakaba | 1.1 | this.parseMode = 'script'; |
| 219 | |||
| 220 | wakaba | 1.2 | // 4.1. Collect all the character tokens. |
| 221 | wakaba | 1.1 | while (true) { |
| 222 | wakaba | 1.2 | var token = this.getNextToken (); |
| 223 | wakaba | 1.1 | log ('token: ' + token.type + ' "' + token.value + '"'); |
| 224 | |||
| 225 | if (token.type == 'char') { | ||
| 226 | wakaba | 1.2 | // 5. Append a single Text node to the script element node. |
| 227 | wakaba | 1.1 | el.manakaiAppendText (token.value); |
| 228 | wakaba | 1.2 | |
| 229 | // 4.2. Until it returns a token that is not a character token, or | ||
| 230 | wakaba | 1.3 | // until it stops tokenising. |
| 231 | wakaba | 1.1 | } else if (token.type == 'eof' || |
| 232 | wakaba | 1.3 | (token.type == 'end-tag' && token.value == 'script') || |
| 233 | token.type == 'abort') { | ||
| 234 | wakaba | 1.2 | // 6. Switched back to the PCDATA state. |
| 235 | wakaba | 1.1 | this.parseMode = 'pcdata'; |
| 236 | wakaba | 1.2 | |
| 237 | // 7.1. If the next token is not an end tag token with ... | ||
| 238 | if (token.type != 'end-tag') { | ||
| 239 | // 7.2. This is a parse error. | ||
| 240 | log ('Parse error: no </' + 'script>'); | ||
| 241 | |||
| 242 | // 7.3. Mark the script element as "already executed". | ||
| 243 | el.manakaiAlreadyExecuted = true; | ||
| 244 | } else { | ||
| 245 | // 7.4. Ignore it. | ||
| 246 | // | ||
| 247 | } | ||
| 248 | wakaba | 1.1 | break; |
| 249 | } | ||
| 250 | } | ||
| 251 | |||
| 252 | wakaba | 1.2 | // 8.1. If the parser were originally created for the ... |
| 253 | if (this.fragmentParsingMode) { | ||
| 254 | // 8.2. Mark the script element as "already executed" and ... | ||
| 255 | el.alreadyExecuted = true; | ||
| 256 | continue; | ||
| 257 | } | ||
| 258 | |||
| 259 | // 9.1. Let the old insertion point have the same value as the ... | ||
| 260 | wakaba | 1.3 | var oldInsertionPoint = this.insertionPoint; |
| 261 | wakaba | 1.2 | // 9.2. Let the insertion point be just before the next input ... |
| 262 | wakaba | 1.3 | this.setInsertionPoint (0); |
| 263 | wakaba | 1.2 | |
| 264 | // 10. Append the new element to the current node. | ||
| 265 | wakaba | 1.1 | this.openElements[this.openElements.length - 1].appendChild (el); |
| 266 | wakaba | 1.2 | |
| 267 | // 11. Let the insertion point have the value of the old ... | ||
| 268 | wakaba | 1.7 | |
| 269 | wakaba | 1.5 | oldInsertionPoint += this.insertionPoint; |
| 270 | wakaba | 1.3 | this.setInsertionPoint (oldInsertionPoint); |
| 271 | wakaba | 1.2 | |
| 272 | // 12. If there is a script that will execute as soon as ... | ||
| 273 | wakaba | 1.6 | while (this.scriptExecutedWhenParserResumes) { |
| 274 | // 12.1. If the tree construction stage is being called reentrantly | ||
| 275 | if (this.reentrant) { | ||
| 276 | log ('parse: abort (reentrance)'); | ||
| 277 | logIndentLevel--; | ||
| 278 | return; | ||
| 279 | |||
| 280 | // 12.2. Otherwise | ||
| 281 | } else { | ||
| 282 | // 1. | ||
| 283 | var script = this.scriptExecutedWhenParserResumes; | ||
| 284 | this.scriptExecutedWhenParserResumes = null; | ||
| 285 | |||
| 286 | // 2. Pause until the script has completed loading. | ||
| 287 | // | ||
| 288 | |||
| 289 | // 3. Let the insertion point to just before the next input char. | ||
| 290 | this.setInsertionPoint (0); | ||
| 291 | |||
| 292 | // 4. Execute the script. | ||
| 293 | executeScript (this.doc, script); | ||
| 294 | |||
| 295 | // 5. Let the insertion point be undefined again. | ||
| 296 | this.setInsertionPoint (undefined); | ||
| 297 | wakaba | 1.2 | |
| 298 | wakaba | 1.6 | // 6. If there is once again a script that will execute ... |
| 299 | // | ||
| 300 | } | ||
| 301 | } | ||
| 302 | wakaba | 1.1 | } else { |
| 303 | wakaba | 1.2 | var el = new JSElement (this.doc, token.value); |
| 304 | wakaba | 1.1 | this.openElements[this.openElements.length - 1].appendChild (el); |
| 305 | this.openElements.push (el); | ||
| 306 | } | ||
| 307 | } else if (token.type == 'end-tag') { | ||
| 308 | if (this.openElements[this.openElements.length - 1].localName == | ||
| 309 | token.value) { | ||
| 310 | this.openElements.pop (); | ||
| 311 | } else { | ||
| 312 | log ('parse error: unmatched end tag: ' + token.value); | ||
| 313 | } | ||
| 314 | wakaba | 1.3 | } else if (token.type == 'char') { |
| 315 | this.openElements[this.openElements.length - 1].manakaiAppendText | ||
| 316 | (token.value); | ||
| 317 | wakaba | 1.1 | } else if (token.type == 'eof') { |
| 318 | break; | ||
| 319 | wakaba | 1.3 | } else if (token.type == 'abort') { |
| 320 | log ('parse: abort'); | ||
| 321 | wakaba | 1.6 | logIndentLevel--; |
| 322 | wakaba | 1.3 | return; |
| 323 | wakaba | 1.1 | } |
| 324 | } | ||
| 325 | |||
| 326 | log ('stop parsing'); | ||
| 327 | wakaba | 1.4 | |
| 328 | // readyState = 'interactive' | ||
| 329 | |||
| 330 | // "When a script completes loading" rules start applying. | ||
| 331 | |||
| 332 | // TODO: Handles "list of scripts that will execute as soon as possible" | ||
| 333 | // and "list of scripts that will execute asynchronously" | ||
| 334 | |||
| 335 | // Handle "list of scripts that will execute when the document has finished | ||
| 336 | // parsing". | ||
| 337 | var list = this.scriptsExecutedAfterParsing; | ||
| 338 | while (list.length > 0) { | ||
| 339 | // TODO: break unless completed loading | ||
| 340 | |||
| 341 | // Step 1. | ||
| 342 | // | ||
| 343 | |||
| 344 | // Step 2. and Step 3. | ||
| 345 | log ('Executing a |defer|red script...'); | ||
| 346 | executeScript (this.doc, list.shift ()); | ||
| 347 | |||
| 348 | // Step 4. | ||
| 349 | } | ||
| 350 | |||
| 351 | log ('DOMContentLoaded event fired'); | ||
| 352 | |||
| 353 | // "delays tha load event" things has completed: | ||
| 354 | // readyState = 'complete' | ||
| 355 | log ('load event fired'); | ||
| 356 | wakaba | 1.6 | |
| 357 | logIndentLevel--; | ||
| 358 | wakaba | 1.1 | } // parse |
| 359 | |||
| 360 | wakaba | 1.3 | Parser.prototype.setInsertionPoint = function (ip) { |
| 361 | if (ip == undefined || ip == null || isNaN (ip)) { | ||
| 362 | log ('insertion point: set to undefined'); | ||
| 363 | this.insertionPoint = undefined; | ||
| 364 | wakaba | 1.8 | } else if (ip == this.input.s.length) { |
| 365 | wakaba | 1.4 | log ('insertion point: end of file'); |
| 366 | this.insertionPoint = ip; | ||
| 367 | wakaba | 1.3 | } else { |
| 368 | log ('insertion point: set to ' + ip + | ||
| 369 | wakaba | 1.8 | ' (before "' + this.input.s.substring (0, 10) + '")'); |
| 370 | wakaba | 1.3 | this.insertionPoint = ip; |
| 371 | } | ||
| 372 | }; // setInsertionPoint | ||
| 373 | |||
| 374 | wakaba | 1.2 | function JSDocument (p) { |
| 375 | wakaba | 1.1 | this.childNodes = []; |
| 376 | wakaba | 1.2 | this._parser = p; |
| 377 | wakaba | 1.1 | } // JSDocument |
| 378 | |||
| 379 | wakaba | 1.2 | function JSElement (doc, localName) { |
| 380 | wakaba | 1.1 | this.localName = localName; |
| 381 | wakaba | 1.2 | this.ownerDocument = doc; |
| 382 | wakaba | 1.1 | this.childNodes = []; |
| 383 | } // JSElement | ||
| 384 | |||
| 385 | JSDocument.prototype.appendChild = JSElement.prototype.appendChild = | ||
| 386 | function (e) { | ||
| 387 | this.childNodes.push (e); | ||
| 388 | e.parentNode = this; | ||
| 389 | wakaba | 1.2 | |
| 390 | if (e.localName == 'script') { | ||
| 391 | wakaba | 1.6 | logIndentLevel++; |
| 392 | wakaba | 1.4 | log ('Running a script: start'); |
| 393 | wakaba | 1.2 | |
| 394 | wakaba | 1.3 | var doc = this.ownerDocument || this; |
| 395 | wakaba | 1.2 | var p = doc._parser; |
| 396 | |||
| 397 | // 1. Script type | ||
| 398 | // | ||
| 399 | |||
| 400 | // 2.1. If scripting is disabled | ||
| 401 | // | ||
| 402 | // 2.2. If the script element was created by an XML ... innerHTML ... | ||
| 403 | // | ||
| 404 | // 2.3. If the user agent does not support the scripting language ... | ||
| 405 | // | ||
| 406 | // 2.4. If the script element has its "already executed" flag set | ||
| 407 | if (e.manakaiAlreadyExecuted) { | ||
| 408 | // 2.5. Abort these steps at this point. | ||
| 409 | wakaba | 1.4 | log ('Running a script: aborted'); |
| 410 | wakaba | 1.6 | logIndentLevel--; |
| 411 | wakaba | 1.2 | return e; |
| 412 | } | ||
| 413 | |||
| 414 | // 3. Set the element's "already executed" flag. | ||
| 415 | e.manakaiAlreadyExecuted = true; | ||
| 416 | |||
| 417 | // 4. If the element has a src attribute, then a load for ... | ||
| 418 | // TODO: load an external resource | ||
| 419 | |||
| 420 | // 5. The first of the following options: | ||
| 421 | |||
| 422 | // 5.1. | ||
| 423 | if (/* TODO: If the document is still being parsed && */ | ||
| 424 | e.defer && !e.async) { | ||
| 425 | wakaba | 1.4 | p.scriptsExecutedAfterParsing.push (e); |
| 426 | log ('Running a script: aborted (defer)'); | ||
| 427 | wakaba | 1.2 | } else if (e.async && e.src != null) { |
| 428 | // TODO | ||
| 429 | } else if (e.async && e.src == null | ||
| 430 | /* && list of scripts that will execute asynchronously is not empty */) { | ||
| 431 | // TODO | ||
| 432 | } else if (e.src != null && e.manakaiParserInserted) { | ||
| 433 | wakaba | 1.6 | if (p.scriptExecutedWhenParserResumes) { |
| 434 | log ('Error: There is a script that will execute as soon as the parser resumes.'); | ||
| 435 | } | ||
| 436 | p.scriptExecutedWhenParserResumes = e; | ||
| 437 | log ('Running a script: aborted (src)'); | ||
| 438 | wakaba | 1.2 | } else if (e.src != null) { |
| 439 | // TODO | ||
| 440 | } else { | ||
| 441 | executeScript (doc, e); // even if other scripts are already executing. | ||
| 442 | } | ||
| 443 | |||
| 444 | wakaba | 1.4 | log ('Running a script: end'); |
| 445 | wakaba | 1.6 | logIndentLevel--; |
| 446 | wakaba | 1.2 | } |
| 447 | |||
| 448 | wakaba | 1.1 | return e; |
| 449 | }; // appendChild | ||
| 450 | |||
| 451 | wakaba | 1.2 | function executeScript (doc, e) { |
| 452 | log ('executing a script block: start'); | ||
| 453 | |||
| 454 | wakaba | 1.6 | var s; |
| 455 | if (e.src != null) { | ||
| 456 | s = getExternalScript (e.src); | ||
| 457 | |||
| 458 | // If the load resulted in an error, then ... firing an error event ... | ||
| 459 | if (s == null) { | ||
| 460 | log ('error event fired at the script element'); | ||
| 461 | return; | ||
| 462 | } | ||
| 463 | |||
| 464 | log ('External script loaded: "' + s + '"'); | ||
| 465 | } else { | ||
| 466 | s = e.text; | ||
| 467 | } | ||
| 468 | wakaba | 1.2 | |
| 469 | // If the load was successful | ||
| 470 | log ('load event fired at the script element'); | ||
| 471 | |||
| 472 | if (true) { | ||
| 473 | // Scripting is enabled, Document.designMode is disabled, | ||
| 474 | // Document is the active document in its browsing context | ||
| 475 | |||
| 476 | parseAndRunScript (doc, s); | ||
| 477 | } | ||
| 478 | |||
| 479 | log ('executing a script block: end'); | ||
| 480 | } // executeScript | ||
| 481 | |||
| 482 | wakaba | 1.6 | function getExternalScript (uri) { |
| 483 | if (uri.match (/^javascript:/i)) { | ||
| 484 | var m; | ||
| 485 | if (m = uri.match (/^javascript:\s*(?:'([^']*)'|"([^"]+)")\s*$/i)) { | ||
| 486 | if (m[1]) { | ||
| 487 | return m[1]; | ||
| 488 | } else if (m[2]) { | ||
| 489 | return m[2]; | ||
| 490 | } else { | ||
| 491 | return null; | ||
| 492 | } | ||
| 493 | } else { | ||
| 494 | log ('Complex javascript: URI is not supported: <' + uri + '>'); | ||
| 495 | return null; | ||
| 496 | } | ||
| 497 | } else { | ||
| 498 | log ('URI scheme not supported: <' + uri + '>'); | ||
| 499 | return null; | ||
| 500 | } | ||
| 501 | } // getExternalScript | ||
| 502 | |||
| 503 | wakaba | 1.2 | function parseAndRunScript (doc, s) { |
| 504 | while (true) { | ||
| 505 | var matched = false; | ||
| 506 | s = s.replace (/^\s*document\.write\s*\(((?:'[^']*'|"[^"]*")\s*(?:,\s*(?:'[^']*'|"[^"]*"))*)\)\s*;\s*/, function (s, t) { | ||
| 507 | matched = true; | ||
| 508 | var args = []; | ||
| 509 | t.replace (/('[^']*'|"[^"]*")/g, function (s, v) { | ||
| 510 | args.push (v.substring (1, v.length - 1)); | ||
| 511 | return ''; | ||
| 512 | }); | ||
| 513 | doc.write.apply (doc, args); | ||
| 514 | return ''; | ||
| 515 | }); | ||
| 516 | if (s == '') break; | ||
| 517 | if (!matched) { | ||
| 518 | log ('Script parse error: "' + s + '"'); | ||
| 519 | break; | ||
| 520 | } | ||
| 521 | } | ||
| 522 | } // parseAndRunScript | ||
| 523 | |||
| 524 | wakaba | 1.1 | function JSText (data) { |
| 525 | this.data = data; | ||
| 526 | } // JSText | ||
| 527 | |||
| 528 | JSDocument.prototype.manakaiAppendText = | ||
| 529 | JSElement.prototype.manakaiAppendText = | ||
| 530 | function (s) { | ||
| 531 | if (this.childNodes.length > 0 && | ||
| 532 | this.childNodes[this.childNodes.length - 1] instanceof JSText) { | ||
| 533 | this.childNodes[this.childNodes.length - 1].data += s; | ||
| 534 | } else { | ||
| 535 | this.childNodes.push (new JSText (s)); | ||
| 536 | } | ||
| 537 | }; // manakaiAppendText | ||
| 538 | wakaba | 1.2 | |
| 539 | wakaba | 1.4 | JSDocument.prototype.open = function () { |
| 540 | // Two or fewer arguments | ||
| 541 | |||
| 542 | // Step 1. | ||
| 543 | var type = arguments[0] || 'text/html'; | ||
| 544 | |||
| 545 | // Step 2. | ||
| 546 | var replace = arguments[1] == 'replace'; | ||
| 547 | |||
| 548 | // Step 3. | ||
| 549 | if (this._parser && | ||
| 550 | !this._parser.scriptCreated && | ||
| 551 | wakaba | 1.8 | this._parser.input.insertionPoint != undefined) { |
| 552 | wakaba | 1.4 | log ('document.open () in parsing mode is ignored'); |
| 553 | return this; | ||
| 554 | } | ||
| 555 | |||
| 556 | // Step 4. | ||
| 557 | log ('onbeforeunload event fired'); | ||
| 558 | log ('onunload event fired'); | ||
| 559 | |||
| 560 | // Step 5. | ||
| 561 | if (this._parser) { | ||
| 562 | // Discard the parser. | ||
| 563 | } | ||
| 564 | |||
| 565 | // Step 6. | ||
| 566 | log ('document cleared by document.open ()'); | ||
| 567 | this.childNodes = []; | ||
| 568 | |||
| 569 | // Step 7. | ||
| 570 | this._parser = new Parser (new InputStream (''), this); | ||
| 571 | this._parser.scriptCreated = true; | ||
| 572 | |||
| 573 | // Step 8. | ||
| 574 | this.manakaiIsHTML = true; | ||
| 575 | |||
| 576 | // Step 9. | ||
| 577 | // If not text/html, ... | ||
| 578 | |||
| 579 | // Step 10. | ||
| 580 | if (!replace) { | ||
| 581 | // History | ||
| 582 | } | ||
| 583 | |||
| 584 | // Step 11. | ||
| 585 | wakaba | 1.8 | this._parser.setInsertionPoint (this._parser.input.s.length); |
| 586 | wakaba | 1.4 | |
| 587 | // Step 12. | ||
| 588 | return this; | ||
| 589 | }; // document.open | ||
| 590 | |||
| 591 | wakaba | 1.2 | JSDocument.prototype.write = function () { |
| 592 | wakaba | 1.6 | logIndentLevel++; |
| 593 | |||
| 594 | wakaba | 1.3 | var p = this._parser; |
| 595 | |||
| 596 | wakaba | 1.2 | // 1. If the insertion point is undefined, the open() method must be ... |
| 597 | wakaba | 1.4 | if (isNaN (p.insertionPoint) || p.insertionPoint == undefined) { |
| 598 | this.open (); | ||
| 599 | p = this._parser; | ||
| 600 | wakaba |