Initial commit

src/js/core/Ingredient.js

@@ -0,0 +1,86 @@
+/**
+ * The arguments to operations.
+ *
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2016
+ * @license Apache-2.0
+ *
+ * @class
+ * @param {Object} ingredient_config
+ */
+var Ingredient = function(ingredient_config) {
+    this.name  = "";
+    this.type  = "";
+    this.value = null;
+    
+    if (ingredient_config) {
+        this._parse_config(ingredient_config);
+    }
+};
+
+
+/**
+ * Reads and parses the given config.
+ *
+ * @private
+ * @param {Object} ingredient_config
+ */
+Ingredient.prototype._parse_config = function(ingredient_config) {
+    this.name = ingredient_config.name;
+    this.type = ingredient_config.type;
+};
+
+
+/**
+ * Returns the value of the Ingredient as it should be displayed in a recipe config.
+ *
+ * @returns {*}
+ */
+Ingredient.prototype.get_config = function() {
+    return this.value;
+};
+
+
+/**
+ * Sets the value of the Ingredient.
+ *
+ * @param {*} value
+ */
+Ingredient.prototype.set_value = function(value) {
+    this.value = Ingredient.prepare(value, this.type);
+};
+
+
+/**
+ * Most values will be strings when they are entered. This function converts them to the correct
+ * type.
+ *
+ * @static
+ * @param {*} data
+ * @param {string} type - The name of the data type.
+*/
+Ingredient.prepare = function(data, type) {
+    switch (type) {
+        case "binary_string":
+        case "binary_short_string":
+        case "editable_option":
+            return Utils.parse_escaped_chars(data);
+        case "byte_array":
+            if (typeof data == "string") {
+                data = data.replace(/\s+/g, '');
+                return Utils.hex_to_byte_array(data);
+            } else {
+                return data;
+            }
+            break;
+        case "number":
+            var number = parseFloat(data);
+            if (isNaN(number)) {
+                var sample = Utils.truncate(data.toString(), 10);
+                throw "Invalid ingredient value. Not a number: " + sample;
+            }
+            return number;
+        default:
+            return data;
+    }
+};