Moving type conversion in its own file and adding

Added buffer object to carry functions and comments
related to oe buffer

lib/types.js

@@ -0,0 +1,80 @@
+/**
+ * @function color
+ * Convert a color to message string
+ * @param {string|number} value Color to convert
+ * @return {string} Converted color
+ */
+function color (value) {
+    "use strict";
+
+    return value ? value : "none";
+}
+
+/**
+ * @function bool
+ * Convert a boolean value to message string
+ * @param {bool} value Boolean to convert
+ * @return {string} Converted boolean
+ */
+function bool (value) {
+    "use strict";
+
+    return value ? "T" : "F";
+}
+
+/**
+ * @function position
+ * Convert a position to message string
+ * @param {number} line Line of position starting with 1
+ * @param {number} col Column of position starting with 0
+ * @return {string} Converted position
+ */
+function position (line, col) {
+    "use strict";
+
+    return line+"/"+col;    
+}
+
+/**
+ * @function string
+ * Convert a string to message string
+ * @param {string} value String to convert
+ * @return {string} Converted string
+ */
+function string (value) {
+    "use strict";
+
+    var buffer = "\"";
+
+    for (var i = 0 ; i < value.length ; ++i){
+        switch (value[i]) {
+            case "\n" :
+                buffer += "\\n";
+            break;
+            case "\t" :
+                buffer += "\\t";
+            break;
+            case "\r" :
+                buffer += "\\r";
+            break;
+            case "\\" : 
+                buffer += "\\\\";
+            break;
+            case "\"" :
+                buffer += "\\\"";
+            break;
+            default :
+                buffer += value[i];
+            break;
+
+        }
+    } 
+
+    buffer += "\"";
+    return buffer;
+}
+
+module.exports.string = string;
+module.esports.color = color;
+module.exports.position = position;
+module.exports.bool = bool;