- Refactoring stuff into a package.

gui/Scyther/Claim.py

@@ -0,0 +1,80 @@
+#
+# Claim
+#
+
+import Term
+
+class Claim(object):
+    def __init__(self):
+        self.id = None          # a unique id string, consisting of 'protocol,label'
+        self.claimtype = None
+        self.label = None
+        self.shortlabel = None
+        self.protocol = None
+        self.role = None
+        self.parameter = None
+        self.failed = 0
+        self.count = 0
+        self.states = 0
+        self.complete = False
+        self.timebound = False
+        self.attacks = []
+        self.state = False      # if true, it is a state, not an attack
+        self.okay = None        # true if good, false if bad
+
+        # derived info
+        self.foundstates = False
+        self.foundproof = False
+
+    def analyze(self):
+
+        # determine short label
+        # We need the rightmost thingy here
+        label = self.label
+        while isinstance(label,Term.TermTuple):
+            label = label[1]
+        self.shortlabel = label
+
+        # determine id
+        self.id = "%s,%s" % (self.protocol,self.shortlabel)
+
+        # some additional properties
+        if str(self.claimtype) == 'Reachable':
+            self.state = True
+        if self.failed > 0:
+            self.foundstates = True
+        if self.complete:
+            self.foundproof = True
+
+        # status
+        # normally, with attacks, okay means none
+        self.okay = (self.failed == 0)
+        if self.state:
+            # but the logic reverses when it is states and not
+            # attacks...
+            self.okay = (not self.okay)
+
+    def stateName(self,count=1):
+        if self.state:
+            s = "state"
+        else:
+            s = "attack"
+        if count != 1:
+            s += "s"
+        return s
+
+    def __str__(self):
+        s = "claim id [%s]" % (self.id)
+        s+= " " + str(self.claimtype)
+        if self.parameter:
+            s+= " " + str(self.parameter)
+
+        # determine status
+        s+= " : %i " % (self.failed)
+        s+= self.stateName(self.failed)
+        if self.complete:
+            s+= " (complete)"
+
+        return s
+
+