/*++
*
* Routine RegexClassifier::UseRulesAndDefinitions
*
* Description:
*
* This routine implements the IFsrmClassifierModuleImplementation interface UseRulesAndDefinitions.
* It is called by the pipeline to indicate to the classifier that the following rules apply to it for this run.
*
* Arguments:
*
* Rules - The FSRM classification rules that apply to this classifier for this run.
* propertyDefinitions - The property definitions affected by the above rules.
*
* Return value:
*
* void
*
* Notes:
*
*
* --*/
public void UseRulesAndDefinitions(
IFsrmCollection Rules,
IFsrmCollection propertyDefinitions
)
{
m_dictAllRules = new Dictionary <Guid, FsrmClassificationRule>();
// loop through all rules and save them along with thier
// parameter descriptions
foreach (IFsrmClassificationRule fsrmClsRule in Rules)
{
if (fsrmClsRule.RuleType == _FsrmRuleType.FsrmRuleType_Classification)
{
Guid ruleId = fsrmClsRule.id;
foreach (string param in fsrmClsRule.Parameters)
{
string[] splitParams = param.Split("=".ToCharArray(), 2);
string paramKey = splitParams[0];
string paramVal = splitParams[1];
if (paramVal != null)
{
if (paramKey.Equals(
"RegularExpression",
StringComparison.OrdinalIgnoreCase)
)
{
//Create a new internal rule object and store it
FsrmClassificationRule newRuleToAdd = new FsrmClassificationRule(
paramVal,
(RegexOptions)m_iValRegexOptions
);
m_dictAllRules.Add(ruleId, newRuleToAdd);
}
}
}
}
}
}
/*++
*
* 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::UseRulesAndDefinitions
Description:
This routine implements the IFsrmClassifierModuleImplementation interface UseRulesAndDefinitions.
It is called by the pipeline to indicate to the classifier that the following rules apply to it for this run.
Arguments:
Rules - The FSRM classification rules that apply to this classifier for this run.
propertyDefinitions - The property definitions affected by the above rules.
Return value:
void
Notes:
--*/
public void UseRulesAndDefinitions(
IFsrmCollection Rules,
IFsrmCollection propertyDefinitions
)
{
m_dictAllRules = new Dictionary<Guid, FsrmClassificationRule>();
// loop through all rules and save them along with thier
// parameter descriptions
foreach (IFsrmClassificationRule fsrmClsRule in Rules) {
if (fsrmClsRule.RuleType == _FsrmRuleType.FsrmRuleType_Classification) {
Guid ruleId = fsrmClsRule.id;
foreach (string param in fsrmClsRule.Parameters) {
string[] splitParams = param.Split( "=".ToCharArray(), 2 );
string paramKey = splitParams[0];
string paramVal = splitParams[1];
if (paramVal != null) {
if (paramKey.Equals(
"RegularExpression",
StringComparison.OrdinalIgnoreCase )
) {
//Create a new internal rule object and store it
FsrmClassificationRule newRuleToAdd = new FsrmClassificationRule(
paramVal,
(RegexOptions)m_iValRegexOptions
);
m_dictAllRules.Add( ruleId, newRuleToAdd );
}
}
}
}
}
}
