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tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/lib/Parser.js

Index: tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/lib/Parser.js
diff --git a/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/lib/Parser.js b/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/lib/Parser.js
new file mode 100644
index 0000000000000000000000000000000000000000..143b46f33f4ec097a05952425b7c6b2854a2536b
--- /dev/null
+++ b/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/lib/Parser.js
@@ -0,0 +1,265 @@
+var Tokenizer = require("./Tokenizer.js");
+
+/*
+	Options:
+	
+	xmlMode: Special behavior for script/style tags (true by default)
+	lowerCaseAttributeNames: call .toLowerCase for each attribute name (true if xmlMode is `false`)
+	lowerCaseTags: call .toLowerCase for each tag name (true if xmlMode is `false`)
+*/
+
+/*
+	Callbacks:
+	
+	oncdataend,
+	oncdatastart,
+	onclosetag,
+	oncomment,
+	oncommentend,
+	onerror,
+	onopentag,
+	onprocessinginstruction,
+	onreset,
+	ontext
+*/
+
+var formTags = {
+	input: true,
+	option: true,
+	optgroup: true,
+	select: true,
+	button: true,
+	datalist: true,
+	textarea: true
+};
+var openImpliesClose = {
+	tr      : { tr:true, th:true, td:true },
+	th      : { th:true },
+	td      : { thead:true, td:true },
+	body    : { head:true, link:true, script:true },
+	li      : { li:true },
+	p       : { p:true },
+	select  : formTags,
+	input   : formTags,
+	output  : formTags,
+	button  : formTags,
+	datalist: formTags,
+	textarea: formTags,
+	option  : { option:true },
+	optgroup: { optgroup:true }
+};
+
+var voidElements = {
+	__proto__: null,
+	area: true,
+	base: true,
+	basefont: true,
+	br: true,
+	col: true,
+	command: true,
+	embed: true,
+	frame: true,
+	hr: true,
+	img: true,
+	input: true,
+	isindex: true,
+	keygen: true,
+	link: true,
+	meta: true,
+	param: true,
+	source: true,
+	track: true,
+	wbr: true
+};
+
+function Parser(cbs, options){
+	this._options = options || {};
+	this._cbs = cbs || {};
+
+	this._tagname = "";
+	this._attribname = "";
+	this._attribs = null;
+	this._stack = [];
+	this._done = false;
+
+	this._tokenizer = new Tokenizer(options, this);
+}
+
+require("util").inherits(Parser, require("events").EventEmitter);
+
+//Tokenizer event handlers
+Parser.prototype.ontext = function(data){
+	if(this._cbs.ontext) this._cbs.ontext(data);
+};
+
+Parser.prototype.onopentagname = function(name){
+	if(!(this._options.xmlMode || "lowerCaseTags" in this._options) || this._options.lowerCaseTags){
+		name = name.toLowerCase();
+	}
+
+	this._tagname = name;
+
+	if (!this._options.xmlMode && name in openImpliesClose) {
+		for(
+			var el;
+			(el = this._stack[this._stack.length-1]) in openImpliesClose[name];
+			this.onclosetag(el)
+		);
+	}
+
+	if(this._options.xmlMode || !(name in voidElements)){
+		this._stack.push(name);
+	}
+
+	if(this._cbs.onopentagname) this._cbs.onopentagname(name);
+	if(this._cbs.onopentag) this._attribs = {};
+};
+
+Parser.prototype.onopentagend = function(){
+	if(this._attribname !== "") this.onattribvalue("");
+	if(this._attribs){
+		if(this._cbs.onopentag) this._cbs.onopentag(this._tagname, this._attribs);
+		this._attribs = null;
+	}
+	if(!this._options.xmlMode && this._cbs.onclosetag && this._tagname in voidElements){
+		this._cbs.onclosetag(this._tagname);
+	}
+	this._tagname = "";
+};
+
+Parser.prototype.onclosetag = function(name){
+	if(!(this._options.xmlMode || "lowerCaseTags" in this._options) || this._options.lowerCaseTags){
+		name = name.toLowerCase();
+	}
+	if(this._stack.length && (!(name in voidElements) || this._options.xmlMode)){
+		var pos = this._stack.lastIndexOf(name);
+		if(pos !== -1){
+			if(this._cbs.onclosetag){
+				pos = this._stack.length - pos;
+				while(pos--) this._cbs.onclosetag(this._stack.pop());
+			}
+			else this._stack.splice(pos);
+		} else if(name === "p" && !this._options.xmlMode){
+			this.onopentagname(name);
+			this.onselfclosingtag();
+		}
+	} else if(!this._options.xmlMode && (name === "br" || name === "p")){
+		this.onopentagname(name);
+		this.onselfclosingtag();		
+	}
+};
+
+Parser.prototype.onselfclosingtag = function(){
+	var name = this._tagname;
+
+	this.onopentagend();
+
+	//self-closing tags will be on the top of the stack
+	//(cheaper check than in onclosetag)
+	if(this._stack[this._stack.length-1] === name){
+		if(this._cbs.onclosetag){
+			this._cbs.onclosetag(name);
+		}
+		this._stack.pop();
+	}
+};
+
+Parser.prototype.onattribname = function(name){
+	if(this._attribname !== "") this.onattribvalue("");
+	if(!(this._options.xmlMode || "lowerCaseAttributeNames" in this._options) || this._options.lowerCaseAttributeNames){
+		name = name.toLowerCase();
+	}
+	this._attribname = name;
+};
+
+Parser.prototype.onattribvalue = function attribValue(value){
+	if(this._cbs.onattribute) this._cbs.onattribute(this._attribname, value);
+	if(this._attribs) this._attribs[this._attribname] = value;
+	this._attribname = "";
+};
+
+Parser.prototype.ondeclaration = function(value){
+	if(this._cbs.onprocessinginstruction){
+		var name = value.split(/\s|\//, 1)[0];
+		if(!(this._options.xmlMode || "lowerCaseTags" in this._options) || this._options.lowerCaseTags){
+			name = name.toLowerCase();
+		}
+		this._cbs.onprocessinginstruction("!" + name, "!" + value);
+	}
+};
+
+Parser.prototype.onprocessinginstruction = function(value){
+	if(this._cbs.onprocessinginstruction){
+		var name = value.split(/\s|\//, 1)[0];
+		if(!(this._options.xmlMode || "lowerCaseTags" in this._options) || this._options.lowerCaseTags){
+			name = name.toLowerCase();
+		}
+		this._cbs.onprocessinginstruction("?" + name, "?" + value);
+	}
+};
+
+Parser.prototype.oncomment = function(value){
+	if(this._cbs.oncomment) this._cbs.oncomment(value);
+	if(this._cbs.oncommentend) this._cbs.oncommentend();
+};
+
+Parser.prototype.oncdata = function(value){
+	if(this._options.xmlMode){
+		if(this._cbs.oncdatastart) this._cbs.oncdatastart();
+		if(this._cbs.ontext) this._cbs.ontext(value);
+		if(this._cbs.oncdataend) this._cbs.oncdataend();
+	} else {
+		this.oncomment("[CDATA[" + value + "]]");
+	}
+};
+
+Parser.prototype.onerror = function(err){
+	if(this._cbs.onerror) this._cbs.onerror(err);
+};
+
+Parser.prototype.onend = function(){
+	if(this._cbs.onclosetag){
+		for(
+			var i = this._stack.length;
+			i > 0;
+			this._cbs.onclosetag(this._stack[--i])
+		);
+	}
+	if(this._cbs.onend) this._cbs.onend();
+};
+
+
+//Resets the parser to a blank state, ready to parse a new HTML document
+Parser.prototype.reset = function(){
+	if(this._cbs.onreset) this._cbs.onreset();
+	this._tokenizer.reset();
+
+	this._tagname = "";
+	this._attribname = "";
+	this._attribs = null;
+	this._stack = [];
+	this._done = false;
+};
+
+//Parses a complete HTML document and pushes it to the handler
+Parser.prototype.parseComplete = function(data){
+	this.reset();
+	this.end(data);
+};
+
+Parser.prototype.write = function(chunk){
+	if(this._done) this.onerror(Error(".write() after done!"));
+	this._tokenizer.write(chunk);
+};
+
+Parser.prototype.end = function(chunk){
+	if(this._done) this.onerror(Error(".end() after done!"));
+	this._tokenizer.end(chunk);
+	this._done = true;
+};
+
+//alias for backwards compat
+Parser.prototype.parseChunk = Parser.prototype.write;
+Parser.prototype.done = Parser.prototype.end;
+
+module.exports = Parser;