Ejemplo n.º 1
0
        /*++
         *
         *  Routine RegexClassifier::OnBeginFile
         *
         * Description:
         *
         *  This routine implements the IFsrmClassifierModuleImplementation interface OnBeginFile.
         *  It is called by the pipeline for each file so that the classifier can process its rules for this file.
         *
         * Arguments:
         *
         *  propertyBag - The FSRM property bag object for this file.
         *  arrayRuleIds - The list of rules that are applicable for this file.
         *
         * Return value:
         *
         *  void
         *
         * Notes:
         *
         *
         * --*/

        public void OnBeginFile(
            IFsrmPropertyBag propertyBag,
            object[] arrayRuleIds
            )
        {
            //reset all rules
            foreach (KeyValuePair <Guid, FsrmClassificationRule> kvp in m_dictAllRules)
            {
                FsrmClassificationRule rule = (FsrmClassificationRule)kvp.Value;
                rule.ResetRule();
            }

            // create guid form of each id
            Guid[] ruleIdGuids = new Guid[arrayRuleIds.Length];
            for (int i = 0; i < arrayRuleIds.Length; ++i)
            {
                ruleIdGuids[i] = new Guid((string)arrayRuleIds[i]);
            }

            // wrap the istream in a stream, and use a streamreader to get each line
            // match each line against each rule's regexp
            // quit when all data has been read or all rules have been matched
            using (StreamWrapperForIStream stream = new StreamWrapperForIStream((IStream)propertyBag.GetFileStreamInterface(_FsrmFileStreamingMode.FsrmFileStreamingMode_Read, _FsrmFileStreamingInterfaceType.FsrmFileStreamingInterfaceType_IStream))) {
                StreamReader streamReader    = new StreamReader(stream, m_encoder);
                bool         matchedAllRules = false;

                do
                {
                    string line = streamReader.ReadLine();

                    matchedAllRules = true;
                    foreach (Guid ruleId in ruleIdGuids)
                    {
                        matchedAllRules &= m_dictAllRules[ruleId].DoesRegexSatisfy(line);
                    }
                } while (!streamReader.EndOfStream && !matchedAllRules);

                streamReader.Dispose();
            }
        }
        /*++

            Routine RegexClassifier::OnBeginFile

        Description:

            This routine implements the IFsrmClassifierModuleImplementation interface OnBeginFile.
            It is called by the pipeline for each file so that the classifier can process its rules for this file.

        Arguments:

            propertyBag - The FSRM property bag object for this file.
            arrayRuleIds - The list of rules that are applicable for this file.

        Return value:

            void

        Notes:

        --*/
        public void OnBeginFile(
            IFsrmPropertyBag propertyBag,
            object[] arrayRuleIds
            )
        {
            //reset all rules
            foreach (KeyValuePair<Guid, FsrmClassificationRule> kvp in m_dictAllRules) {
                FsrmClassificationRule rule = (FsrmClassificationRule)kvp.Value;
                rule.ResetRule();
            }

            // create guid form of each id
            Guid[] ruleIdGuids = new Guid[arrayRuleIds.Length];
            for (int i = 0; i < arrayRuleIds.Length; ++i) {
                ruleIdGuids[i] = new Guid( (string)arrayRuleIds[i] );
            }

            // wrap the istream in a stream, and use a streamreader to get each line
            // match each line against each rule's regexp
            // quit when all data has been read or all rules have been matched
            using (StreamWrapperForIStream stream = new StreamWrapperForIStream( (IStream)propertyBag.GetFileStreamInterface( _FsrmFileStreamingMode.FsrmFileStreamingMode_Read, _FsrmFileStreamingInterfaceType.FsrmFileStreamingInterfaceType_IStream ) )) {

                StreamReader streamReader = new StreamReader( stream, m_encoder );
                bool matchedAllRules = false;

                do {
                    string line = streamReader.ReadLine();

                    matchedAllRules = true;
                    foreach (Guid ruleId in ruleIdGuids) {
                        matchedAllRules &= m_dictAllRules[ruleId].DoesRegexSatisfy( line );
                    }

                } while (!streamReader.EndOfStream && !matchedAllRules);

                streamReader.Dispose();
            }
        }