Add new linelength plugin

metrixpp/ext/std/code/linelength.ini

@@ -0,0 +1,15 @@
+;
+;    Metrix++, Copyright 2009-2019, Metrix++ Project
+;    Link: https://github.com/metrixplusplus/metrixplusplus
+;
+;    This file is a part of Metrix++ Tool.
+;
+
+[Plugin]
+version: 1.0
+package: std.code
+module:  linelength
+class:   Plugin
+depends: None
+actions: collect
+enabled: True

metrixpp/ext/std/code/linelength.py

@@ -0,0 +1,42 @@
+#
+#    Metrix++, Copyright 2009-2019, Metrix++ Project
+#    Link: https://github.com/metrixplusplus/metrixplusplus
+#
+#    This file is a part of Metrix++ Tool.
+#
+
+from metrixpp.mpp import api
+import re
+
+class Plugin(api.Plugin,
+             api.IConfigurable,
+             api.Child,
+             api.MetricPluginMixin):
+
+    def declare_configuration(self, parser):
+        parser.add_option("--std.code.linelength", "--scll",
+            action="store_true", default=False,
+            help="Enables collection maximum line-length transgressions [default: %default]")
+        parser.add_option("--std.code.linelength.limit", "--sclll",
+            default=80,
+            help="Modifies the limit for maximum line-length [default: %default]")
+
+    def configure(self, options):
+        self.is_active_ll = options.__dict__['std.code.linelength']
+        self.threshold = int(options.__dict__['std.code.linelength.limit'])
+
+    def initialize(self):
+        pattern_to_search = r'''.{%s,}''' % (self.threshold + 1)
+        self.declare_metric(
+                self.is_active_ll,
+                self.Field('numbers', int),
+                re.compile(pattern_to_search),
+                marker_type_mask=api.Marker.T.CODE,
+                region_type_mask=api.Region.T.ANY,
+                exclude_subregions=True)
+
+        super(Plugin, self).initialize(fields=self.get_fields())
+
+        if self.is_active_ll == True:
+            self.subscribe_by_parents_interface(api.ICode)
+