Move html-paths and document-matchers to styles module

1 files changed, 75 insertions, 0 deletions

diff --git a/lib/styles/html-paths.js b/lib/styles/html-paths.js
new file mode 100644
index 0000000..27bb777
--- /dev/null
+++ b/lib/styles/html-paths.js
@@ -0,0 +1,75 @@
+var _ = require("underscore");
+
+var html = require("../html");
+
+exports.topLevelElement = topLevelElement;
+exports.elements = elements;
+exports.element = element;
+
+function topLevelElement(tagName, attributes) {
+    return elements([element(tagName, attributes, {fresh: true})]);
+}
+
+function elements(elementStyles) {
+    return new HtmlPath(elementStyles.map(function(elementStyle) {
+        if (_.isString(elementStyle)) {
+            return element(elementStyle);
+        } else {
+            return elementStyle;
+        }
+    }));
+}
+
+function HtmlPath(elements) {
+    this._elements = elements;
+}
+
+HtmlPath.prototype.wrap = function wrap(children) {
+    var result = children();
+    for (var index = this._elements.length - 1; index >= 0; index--) {
+        result = this._elements[index].wrapNodes(result);
+    }
+    return result;
+};
+
+function element(tagName, attributes, options) {
+    options = options || {};
+    return new Element(tagName, attributes, options);
+}
+
+function Element(tagName, attributes, options) {
+    var tagNames = {};
+    if (_.isArray(tagName)) {
+        tagName.forEach(function(tagName) {
+            tagNames[tagName] = true;
+        });
+        tagName = tagName[0];
+    } else {
+        tagNames[tagName] = true;
+    }
+    
+    this.tagName = tagName;
+    this.tagNames = tagNames;
+    this.attributes = attributes || {};
+    this.fresh = options.fresh;
+    this.separator = options.separator;
+}
+
+Element.prototype.matchesElement = function(element) {
+    return this.tagNames[element.tagName] && _.isEqual(this.attributes || {}, element.attributes || {});
+};
+
+Element.prototype.wrap = function wrap(generateNodes) {
+    return this.wrapNodes(generateNodes());
+};
+
+Element.prototype.wrapNodes = function wrapNodes(nodes) {
+    return [html.elementWithTag(this, nodes)];
+};
+
+exports.empty = elements([]);
+exports.ignore = {
+    wrap: function() {
+        return [];
+    }
+};