mediawiki-extensions-Visual.../modules/parser/html5/parser.js
Gabriel Wicke 59fc634cce Update patched html5 library to version 0.3.8
Change-Id: I321d9a58ea1af33842a606fc8706938093a8330f
2012-06-06 10:17:03 +02:00

229 lines
5.6 KiB
JavaScript

var HTML5 = exports.HTML5 = require('../html5');
var events = require('events');
require('./treebuilder');
require('../mediawiki.HTML5TreeBuilder.node');
var Phase = require('./parser/phase').Phase;
var Parser = HTML5.Parser = function HTML5Parser(options) {
events.EventEmitter.apply(this);
this.strict = false;
this.errors = [];
var phase;
this.__defineSetter__('phase', function(p) {
phase = p;
if(!p) throw( new Error("Can't leave phase undefined"));
if(!p instanceof Function) throw( new Error("Not a function"));
});
this.__defineGetter__('phase', function() {
return phase;
});
if(options) for(var o in options) {
this[o] = options[o];
}
if(!this.document) {
var l3, jsdom
jsdom = require('jsdom')
l3 = jsdom.dom.level3.core
var DOM = jsdom.browserAugmentation(l3)
this.document = new DOM.Document('html');
}
this.tree = new HTML5.TreeBuilder(this.document);
}
Parser.prototype = new events.EventEmitter;
// normally accepts the source
Parser.prototype.parse = function(tokenizer) {
//if(!source) throw(new Error("No source to parse"));
//HTML5.debug('parser.parse', source)
//this.tokenizer = new HTML5.Tokenizer(source, this.document);
this.tokenizer = tokenizer;
this.tokenizer.addListener('token', this.do_token.bind(this));
this.tokenizer.addListener('end', this.emit.bind(this, 'end'));
this.setup();
//this.tokenizer.tokenize();
}
Parser.prototype.parse_fragment = function(source, element) {
HTML5.debug('parser.parse_fragment', source, element)
// FIXME: Check to make sure element is inside document
//this.tokenizer = new HTML5.Tokenizer(source, this.document);
if(element && element.ownerDocument) {
this.setup(element.tagName, null);
this.tree.open_elements.push(element);
this.tree.root_pointer = element;
} else if(element) {
this.setup(element, null);
this.tree.open_elements.push(this.tree.html_pointer);
this.tree.open_elements.push(this.tree.body_pointer);
this.tree.root_pointer = this.tree.body_pointer;
} else {
this.setup('div', null);
this.tree.open_elements.push(this.tree.html_pointer);
this.tree.open_elements.push(this.tree.body_pointer);
this.tree.root_pointer = this.tree.body_pointer;
}
//this.tokenizer.tokenize();
}
Object.defineProperty(Parser.prototype, 'fragment', {
get: function() {
return this.tree.getFragment();
}
});
Parser.prototype.newPhase = function(name) {
this.phase = new HTML5.PHASES[name](this, this.tree);
HTML5.debug('parser.newPhase', name)
this.phaseName = name;
}
Parser.prototype.do_token = function(token) {
//console.warn('d_token: ' + JSON.stringify(token));
var method = 'process' + token.type;
switch(token.type) {
case 'Characters':
case 'SpaceCharacters':
case 'Comment':
this.phase[method](token.data);
break;
case 'StartTag':
if (token.name == "script") {
this.inScript = true;
this.scriptBuffer = '';
}
this.phase[method](token.name, token.data, token.self_closing);
break;
case 'EndTag':
this.phase[method](token.name);
if (token.name == "script") {
this.inScript = false;
}
break;
case 'Doctype':
this.phase[method](token.name, token.publicId, token.systemId, token.correct);
break;
case 'EOF':
this.phase[method]();
break;
default:
this.parse_error(token.data, token.datavars)
}
}
Parser.prototype.setup = function(container, encoding) {
this.emit('setup', this);
var inner_html = !!container;
container = container || 'div';
this.tree.reset();
this.first_start_tag = false;
this.errors = [];
// FIXME: instantiate tokenizer and plumb. Pass lowercasing options.
if(inner_html) {
this.inner_html = container.toLowerCase();
switch(this.inner_html) {
case 'title':
case 'textarea':
this.tokenizer.content_model = HTML5.Models.RCDATA;
break;
case 'script':
this.tokenizer.content_model = HTML5.Models.SCRIPT_CDATA;
break;
case 'style':
case 'xmp':
case 'iframe':
case 'noembed':
case 'noframes':
case 'noscript':
this.tokenizer.content_model = HTML5.Models.CDATA;
break;
case 'plaintext':
this.tokenizer.content_model = HTML5.Models.PLAINTEXT;
break;
default:
this.tokenizer.content_model = HTML5.Models.PCDATA;
}
this.tree.create_structure_elements(inner_html);
switch(inner_html) {
case 'html':
this.newPhase('afterHtml')
break;
case 'head':
this.newPhase('inHead')
break;
default:
this.newPhase('inBody')
}
this.reset_insertion_mode(this.inner_html);
} else {
this.inner_html = false;
this.newPhase('initial');
}
this.last_phase = null;
}
Parser.prototype.parse_error = function(code, data) {
// FIXME: this.errors.push([this.tokenizer.position, code, data]);
this.errors.push([code, data]);
if(this.strict) throw(this.errors.last());
}
Parser.prototype.reset_insertion_mode = function(context) {
var last = false;
var node_name;
for(var i = this.tree.open_elements.length - 1; i >= 0; i--) {
var node = this.tree.open_elements[i]
node_name = node.tagName.toLowerCase()
if(node == this.tree.open_elements[0]) {
last = true
if(node_name != 'th' && node_name != 'td') {
// XXX
// assert.ok(this.inner_html);
node_name = context.tagName;
}
}
if(!(node_name == 'select' || node_name == 'colgroup' || node_name == 'head' || node_name == 'frameset')) {
// XXX
// assert.ok(this.inner_html)
}
if(HTML5.TAGMODES[node_name]) {
this.newPhase(HTML5.TAGMODES[node_name]);
} else if(node_name == 'html') {
this.newPhase(this.tree.head_pointer ? 'afterHead' : 'beforeHead');
} else if(last) {
this.newPhase('inBody');
} else {
continue;
}
break;
}
}
Parser.prototype._ = function(str) {
return(str);
}