Add ValueRules + ForbiddenChars rule

src/jflow/rules.py

@@ -99,6 +99,20 @@ class LinkRule (SimpleRule):
     def check(self):
         pass
 
+class ValueRule (SimpleRule):
+    def __init__(self, user_args, wf_instance, src_arg, values_arg, nb_rows):
+        SimpleRule.__init__(self, user_args, wf_instance, src_arg, nb_rows)
+        values = values_arg.replace("\,", "###virgule###")
+        values = values.split(",")
+        all_values = []
+        for val in values:
+            all_values.append(val.replace("###virgule###", ","))
+        self.values_arg = all_values
+
+    @abstractmethod
+    def check(self):
+        pass
+
 
 class ConditionalRule(SimpleRule):
     def __init__(self, user_args, wf_instance, src_arg, conditions, which, nb_rows):
@@ -218,4 +232,15 @@ class FilesUnique(SimpleRule):
                 if isinstance(sub_parameter_obj, InputFile) or isinstance(sub_parameter_obj, InputDirectory):
                     all_files += value
         if len(set(all_files)) < len(all_files):
-            self.error("Some files into '" + self.parameter_name + "' are given several times")
\ No newline at end of file
+            self.error("Some files into '" + self.parameter_name + "' are given several times")
+
+
+class ForbiddenChars(ValueRule):
+    """
+    Some characters are not allowed
+    """
+
+    def check(self):
+        for value in self.values_arg:
+            if value in self.parameter_value:
+                self.error("Character not allowed: \"" + value + "\"")

src/jflow/workflow.py

@@ -1352,9 +1352,13 @@ class Workflow(threading.Thread):
                     raise Exception("Rule is not defined: " + name)
 
                 # Launch validator
-                if issubclass(validator_class, j_rules.LinkRule):  # Check the rule is the same special rule
+                if issubclass(validator_class, j_rules.LinkRule):
+                    # Check the rule is the same special rule
                     validator = validator_class(user_args, self, src_arg, targets, nb_rows)
                     validator.check()
+                elif issubclass(validator_class, j_rules.ValueRule):
+                    validator = validator_class(user_args, self, src_arg, is_link_rule.group(2), nb_rows)
+                    validator.check()
                 else:
                     raise Exception("Rule is not a link rule: " + name)
             else:  # It's a simple rule