1 files changed, 176 insertions, 0 deletions
diff --git a/alarm/node_modules/parse5/lib/serializer/index.js b/alarm/node_modules/parse5/lib/serializer/index.js
new file mode 100644
index 0000000..659ef60
--- /dev/null
+++ b/alarm/node_modules/parse5/lib/serializer/index.js
@@ -0,0 +1,176 @@
+'use strict';
+
+const defaultTreeAdapter = require('../tree-adapters/default');
+const mergeOptions = require('../utils/merge-options');
+const doctype = require('../common/doctype');
+const HTML = require('../common/html');
+
+//Aliases
+const $ = HTML.TAG_NAMES;
+const NS = HTML.NAMESPACES;
+
+//Default serializer options
+const DEFAULT_OPTIONS = {
+    treeAdapter: defaultTreeAdapter
+};
+
+//Escaping regexes
+const AMP_REGEX = /&/g;
+const NBSP_REGEX = /\u00a0/g;
+const DOUBLE_QUOTE_REGEX = /"/g;
+const LT_REGEX = /</g;
+const GT_REGEX = />/g;
+
+//Serializer
+class Serializer {
+    constructor(node, options) {
+        this.options = mergeOptions(DEFAULT_OPTIONS, options);
+        this.treeAdapter = this.options.treeAdapter;
+
+        this.html = '';
+        this.startNode = node;
+    }
+
+    //API
+    serialize() {
+        this._serializeChildNodes(this.startNode);
+
+        return this.html;
+    }
+
+    //Internals
+    _serializeChildNodes(parentNode) {
+        const childNodes = this.treeAdapter.getChildNodes(parentNode);
+
+        if (childNodes) {
+            for (let i = 0, cnLength = childNodes.length; i < cnLength; i++) {
+                const 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);
+                }
+            }
+        }
+    }
+
+    _serializeElement(node) {
+        const tn = this.treeAdapter.getTagName(node);
+        const ns = this.treeAdapter.getNamespaceURI(node);
+
+        this.html += '<' + tn;
+        this._serializeAttributes(node);
+        this.html += '>';
+
+        if (
+            tn !== $.AREA &&
+            tn !== $.BASE &&
+            tn !== $.BASEFONT &&
+            tn !== $.BGSOUND &&
+            tn !== $.BR &&
+            tn !== $.COL &&
+            tn !== $.EMBED &&
+            tn !== $.FRAME &&
+            tn !== $.HR &&
+            tn !== $.IMG &&
+            tn !== $.INPUT &&
+            tn !== $.KEYGEN &&
+            tn !== $.LINK &&
+            tn !== $.META &&
+            tn !== $.PARAM &&
+            tn !== $.SOURCE &&
+            tn !== $.TRACK &&
+            tn !== $.WBR
+        ) {
+            const childNodesHolder =
+                tn === $.TEMPLATE && ns === NS.HTML ? this.treeAdapter.getTemplateContent(node) : node;
+
+            this._serializeChildNodes(childNodesHolder);
+            this.html += '</' + tn + '>';
+        }
+    }
+
+    _serializeAttributes(node) {
+        const attrs = this.treeAdapter.getAttrList(node);
+
+        for (let i = 0, attrsLength = attrs.length; i < attrsLength; i++) {
+            const attr = attrs[i];
+            const value = Serializer.escapeString(attr.value, true);
+
+            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.prefix + ':' + attr.name;
+            }
+
+            this.html += '="' + value + '"';
+        }
+    }
+
+    _serializeTextNode(node) {
+        const content = this.treeAdapter.getTextNodeContent(node);
+        const parent = this.treeAdapter.getParentNode(node);
+        let parentTn = void 0;
+
+        if (parent && this.treeAdapter.isElementNode(parent)) {
+            parentTn = this.treeAdapter.getTagName(parent);
+        }
+
+        if (
+            parentTn === $.STYLE ||
+            parentTn === $.SCRIPT ||
+            parentTn === $.XMP ||
+            parentTn === $.IFRAME ||
+            parentTn === $.NOEMBED ||
+            parentTn === $.NOFRAMES ||
+            parentTn === $.PLAINTEXT ||
+            parentTn === $.NOSCRIPT
+        ) {
+            this.html += content;
+        } else {
+            this.html += Serializer.escapeString(content, false);
+        }
+    }
+
+    _serializeCommentNode(node) {
+        this.html += '<!--' + this.treeAdapter.getCommentNodeContent(node) + '-->';
+    }
+
+    _serializeDocumentTypeNode(node) {
+        const name = this.treeAdapter.getDocumentTypeNodeName(node);
+
+        this.html += '<' + doctype.serializeContent(name, null, null) + '>';
+    }
+}
+
+// NOTE: used in tests and by rewriting stream
+Serializer.escapeString = function(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;
+};
+
+module.exports = Serializer;