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#!/usr/bin/env python

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# -*- coding: utf-8 -*-

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# This file is part of Beremiz.

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# See COPYING file for copyrights details.

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from __future__ import absolute_import

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from plcopen.XSLTModelQuery import XSLTModelQuery

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class InstancesPathCollector(XSLTModelQuery):

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    """ object for collecting instances path list"""

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    def __init__(self, controller):

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        self.Instances = []

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        XSLTModelQuery.__init__(self,

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                                controller,

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                                "instances_path.xslt",

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                                [("AddInstance", self.AddInstance)])

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    def AddInstance(self, context, *args):

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        self.Instances.append(args[0][0])

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    def Collect(self, root, name, debug):

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        self._process_xslt(root, debug, instance_type=name)

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        res = self.Instances

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        self.Instances = []

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        return res