Added vulcanize under third_party/npm_modules

node_modules/vulcanize/node_modules/whacko/node_modules/parse5/lib/serialization/serializer.js

Index: node_modules/vulcanize/node_modules/whacko/node_modules/parse5/lib/serialization/serializer.js
diff --git a/node_modules/vulcanize/node_modules/whacko/node_modules/parse5/lib/serialization/serializer.js b/node_modules/vulcanize/node_modules/whacko/node_modules/parse5/lib/serialization/serializer.js
new file mode 100644
index 0000000000000000000000000000000000000000..7e60e5c7c04baebb96196477a604d7bedb8756b0
--- /dev/null
+++ b/node_modules/vulcanize/node_modules/whacko/node_modules/parse5/lib/serialization/serializer.js
@@ -0,0 +1,184 @@
+'use strict';
+
+var DefaultTreeAdapter = require('../tree_adapters/default'),
+    HTML = require('../common/html');
+
+//Aliases
+var $ = HTML.TAG_NAMES,
+    NS = HTML.NAMESPACES;
+
+
+//Escaping regexes
+var AMP_REGEX = /&/g,
+    NBSP_REGEX = /\u00a0/g,
+    DOUBLE_QUOTE_REGEX = /"/g,
+    LT_REGEX = /</g,
+    GT_REGEX = />/g;
+
+
+//Escape string
+function escapeString(str, attrMode) {
+    str = str
+        .replace(AMP_REGEX, '&amp;')
+        .replace(NBSP_REGEX, '&nbsp;');
+
+    if (attrMode)
+        str = str.replace(DOUBLE_QUOTE_REGEX, '&quot;');
+
+    else {
+        str = str
+            .replace(LT_REGEX, '&lt;')
+            .replace(GT_REGEX, '&gt;');
+    }
+
+    return str;
+}
+
+//Enquote doctype ID
+function enquoteDoctypeId(id) {
+    var quote = id.indexOf('"') !== -1 ? '\'' : '"';
+
+    return quote + id + quote;
+}
+
+
+//Serializer
+var Serializer = module.exports = function (treeAdapter) {
+    this.treeAdapter = treeAdapter || DefaultTreeAdapter;
+};
+
+
+//API
+Serializer.prototype.serialize = function (node) {
+    this.html = '';
+    this._serializeChildNodes(node);
+
+    return this.html;
+};
+
+
+//Internals
+Serializer.prototype._serializeChildNodes = function (parentNode) {
+    var childNodes = this.treeAdapter.getChildNodes(parentNode);
+
+    if (childNodes) {
+        for (var i = 0, cnLength = childNodes.length; i < cnLength; i++) {
+            var currentNode = childNodes[i];
+
+            if (this.treeAdapter.isElementNode(currentNode))
+                this._serializeElement(currentNode);
+
+            else if (this.treeAdapter.isTextNode(currentNode))
+                this._serializeTextNode(currentNode);
+
+            else if (this.treeAdapter.isCommentNode(currentNode))
+                this._serializeCommentNode(currentNode);
+
+            else if (this.treeAdapter.isDocumentTypeNode(currentNode))
+                this._serializeDocumentTypeNode(currentNode);
+        }
+    }
+};
+
+Serializer.prototype._serializeElement = function (node) {
+    var tn = this.treeAdapter.getTagName(node),
+        ns = this.treeAdapter.getNamespaceURI(node),
+        qualifiedTn = (ns === NS.HTML || ns === NS.SVG || ns === NS.MATHML) ? tn : (ns + ':' + tn);
+
+    this.html += '<' + qualifiedTn;
+    this._serializeAttributes(node);
+    this.html += '>';
+
+    if (tn !== $.AREA && tn !== $.BASE && tn !== $.BASEFONT && tn !== $.BGSOUND && tn !== $.BR && tn !== $.BR &&
+        tn !== $.COL && tn !== $.EMBED && tn !== $.FRAME && tn !== $.HR && tn !== $.IMG && tn !== $.INPUT &&
+        tn !== $.KEYGEN && tn !== $.LINK && tn !== $.MENUITEM && tn !== $.META && tn !== $.PARAM && tn !== $.SOURCE &&
+        tn !== $.TRACK && tn !== $.WBR) {
+
+        if (tn === $.PRE || tn === $.TEXTAREA || tn === $.LISTING) {
+            var firstChild = this.treeAdapter.getFirstChild(node);
+
+            if (firstChild && this.treeAdapter.isTextNode(firstChild)) {
+                var content = this.treeAdapter.getTextNodeContent(firstChild);
+
+                if (content[0] === '\n')
+                    this.html += '\n';
+            }
+        }
+
+        var childNodesHolder = tn === $.TEMPLATE && ns === NS.HTML ?
+                               this.treeAdapter.getChildNodes(node)[0] :
+                               node;
+
+        this._serializeChildNodes(childNodesHolder);
+        this.html += '</' + qualifiedTn + '>';
+    }
+};
+
+Serializer.prototype._serializeAttributes = function (node) {
+    var attrs = this.treeAdapter.getAttrList(node);
+
+    for (var i = 0, attrsLength = attrs.length; i < attrsLength; i++) {
+        var attr = attrs[i];
+
+        this.html += ' ';
+
+        if (!attr.namespace)
+            this.html += attr.name;
+
+        else if (attr.namespace === NS.XML)
+            this.html += 'xml:' + attr.name;
+
+        else if (attr.namespace === NS.XMLNS) {
+            if (attr.name !== 'xmlns')
+                this.html += 'xmlns:';
+
+            this.html += attr.name;
+        }
+
+        else if (attr.namespace === NS.XLINK)
+            this.html += 'xlink:' + attr.name;
+
+        else
+            this.html += attr.namespace + ':' + attr.name;
+
+        this.html += '="' + escapeString(attr.value, true) + '"';
+    }
+};
+
+Serializer.prototype._serializeTextNode = function (node) {
+    var parent = this.treeAdapter.getParentNode(node),
+        parentTn = parent && this.treeAdapter.getTagName(parent),
+        content = this.treeAdapter.getTextNodeContent(node);
+
+    if (parentTn === $.STYLE || parentTn === $.SCRIPT || parentTn === $.XMP || parentTn === $.IFRAME ||
+        parentTn === $.NOEMBED || parentTn === $.NOFRAMES || parentTn === $.PLAINTEXT || parentTn === $.NOSCRIPT) {
+        this.html += content;
+    }
+
+    else
+        this.html += escapeString(content, false);
+};
+
+Serializer.prototype._serializeCommentNode = function (node) {
+    this.html += '<!--' + this.treeAdapter.getCommentNodeContent(node) + '-->';
+};
+
+Serializer.prototype._serializeDocumentTypeNode = function (node) {
+    var name = this.treeAdapter.getDocumentTypeNodeName(node),
+        publicId = this.treeAdapter.getDocumentTypeNodePublicId(node),
+        systemId = this.treeAdapter.getDocumentTypeNodeSystemId(node);
+
+    this.html += '<!DOCTYPE ' + name;
+
+    if (publicId !== null)
+        this.html += ' PUBLIC ' + enquoteDoctypeId(publicId);
+
+    else if (systemId !== null)
+        this.html += ' SYSTEM';
+
+    if (systemId !== null)
+        this.html += ' ' + enquoteDoctypeId(systemId);
+
+
+    this.html += '>';
+};