Add renderer and a default method for XGP

include/gmon.py

@@ -4,6 +4,24 @@
 class GmonPluginError(Exception):
     pass
 
+class XGPRenderer(object):
+
+    def __init__(self, txt=None):
+        self.txt = txt
+        self.img = None
+        self.tool = txt
+        self.bar = None
+        self.click = None
+        self._fields = ['txt', 'img', 'tool', 'bar', 'click']
+
+    def __str__(self):
+        out = ""
+        for field in self._fields:
+            value = getattr(self, field, None)
+            if value is not None:
+                out += "<%(f)s>%(v)s</%(f)s>" % {'f': field, 'v': value}
+        return out
+
 
 class BasePlugin(object):
 
@@ -18,3 +36,6 @@ class BasePlugin(object):
 
         render_fn = getattr(self, method_n, ex)
         return render_fn()
+
+    def render_xgp(self):
+        return XGPRenderer(self.render_plain())