#

# Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

# All rights reserved.

# This component and the accompanying materials are made available

# under the terms of "Eclipse Public License v1.0"

# which accompanies this distribution, and is available

# at the URL "http://www.eclipse.org/legal/epl-v10.html".

#

# Initial Contributors:

# Nokia Corporation - initial contribution.

#

# Contributors:

#

# Description: 

#

from cone.public import api, exceptions

from cone.validation.implmlvalidation import ImplValidatorBase

from CRMLPlugin import crml_impl

from CRMLPlugin import crml_model

class CrmlValidatorBase(ImplValidatorBase):

    SUPPORTED_IMPL_CLASSES = crml_impl.CrmlImpl

class CrmlReferenceValidator(CrmlValidatorBase):

    PROBLEM_TYPES = ['model.implml.crml.invalid_ref']

    def validate(self):

        self.dview = self.context.configuration.get_default_view()

        for key in self.impl.repository.keys:

            if isinstance(key, crml_model.CrmlSimpleKey):

                self._check_ref(key.ref, key.line)

            elif isinstance(key, crml_model.CrmlBitmaskKey):

                for bit in key.bits:

                    self._check_ref(bit.ref, bit.line)

            elif isinstance(key, crml_model.CrmlKeyRange):

                for subkey in key.subkeys:

                    fullref = "%s.%s" % (key.ref, subkey.ref)

                    self._check_ref(fullref, subkey.line)

    def _check_ref(self, ref, line):

        self.check_feature_reference(ref, line, self.PROBLEM_TYPES[0])

class CrmlDuplicateUidValidator(CrmlValidatorBase):

    PROBLEM_TYPES = ['model.implml.crml.duplicate_uid']

    def validate(self):

        # Collect a dictionary of CRML keys by UID

        keys_by_uid = {}

        for key in self.impl.repository.keys:

            if isinstance(key, (crml_model.CrmlSimpleKey, crml_model.CrmlBitmaskKey)):

                try:

                    try:

                        uid = long(key.int)

                    except ValueError:

                        uid = long(key.int, 16)

                except ValueError:

                    # Silently ignore non-numeric UID values (they should be caught

                    # by other validation)

                    continue

                keys = keys_by_uid.get(uid, [])

                keys.append(key)

                keys_by_uid[uid] = keys

        # Check for duplicates

        for uid, keys in keys_by_uid.iteritems():

            if len(keys) > 1:

                if len(keys) > 2:

                    key_lst = "keys on lines %s" % ', '.join([str(key.line) for key in keys[:-2]])

                    key_lst += ' and %s' % keys[-2].line

                else:

                    key_lst = "key on line %s" % keys[-2].line

                prob = api.Problem(

                    msg = "Duplicate key UID 0x%08X (duplicate with %s)" % (uid, key_lst),

                    type = self.PROBLEM_TYPES[0],

                    line = keys[-1].line,

                    file = self.impl.ref)

                self.context.problems.append(prob)

VALIDATOR_CLASSES = [CrmlReferenceValidator, CrmlDuplicateUidValidator]