private async Task <bool> StreamAndSaveObservation(ContentURI docToCalcURI,
IDictionary <string, string> fileOrFolderPaths, bool hasInitialColumnDictionary)
{
bool bHasObservation = false;
string sId = string.Empty;
string sFileToAnalyze = string.Empty;
int i = 0;
WriteColumnNameRow();
foreach (KeyValuePair <string, string> kvp in fileOrFolderPaths)
{
sId = kvp.Key;
sFileToAnalyze = kvp.Value;
if (await Helpers.FileStorageIO.URIAbsoluteExists(
docToCalcURI, sFileToAnalyze))
{
FileToAnalyzeReader
= await Helpers.FileStorageIO.GetXmlReaderAsync(docToCalcURI, sFileToAnalyze);
if (FileToAnalyzeReader != null)
{
using (FileToAnalyzeReader)
{
FileToAnalyzeReader.MoveToContent();
Ancestors.Clear();
AddObservations(docToCalcURI,
hasInitialColumnDictionary);
}
}
if (docToCalcURI.ErrorMessage != string.Empty)
{
//fix all errors before running an analysis
break;
}
i++;
}
}
if (docToCalcURI.ErrorMessage == string.Empty)
{
if (hasInitialColumnDictionary)
{
//save the observations file
TextFile.Flush();
bHasObservation = true;
}
}
return(bHasObservation);
}
//allows derived classes to override the default streaming
//and save method
protected virtual bool StreamAndSaveObservation()
{
HasGoodObservationFile = false;
if (this.ObsCalculatorParams.AnalyzerParms.FileOrFolderPaths == null)
{
this.ObsCalculatorParams.ErrorMessage
= Errors.MakeStandardErrorMsg("OBSERVATIONS_NOFILES_SAVETEXT");
return(false);
}
else
{
if (this.ObsCalculatorParams.AnalyzerParms.FileOrFolderPaths.Count <= 0)
{
this.ObsCalculatorParams.ErrorMessage
= Errors.MakeStandardErrorMsg("OBSERVATIONS_NOFILES_SAVETEXT");
return(false);
}
}
bool bHasInitialColumnDictionary = InitColumnDictionary();
this.ObsCalculatorParams.AnalyzerParms.ObservationsPath
= GetObservationFilePath(this.ObsCalculatorParams.ExtensionDocToCalcURI.URIDataManager.TempDocPath);
if (!string.IsNullOrEmpty(this.ObsCalculatorParams.AnalyzerParms.ObservationsPath))
{
if (bHasInitialColumnDictionary)
{
TextFile = new StreamWriter(
this.ObsCalculatorParams.AnalyzerParms.ObservationsPath);
//write the column headings
WriteColumnNameRow();
}
//+1 because the first column holds the stats for all comparisons
//int iFileComparisonsCount = fileOrFolderPaths.Count + 1;
//subscribers set a "Files" attribute property using this property
this.ObsCalculatorParams.AnalyzerParms.FilesComparisonsCount
= this.ObsCalculatorParams.AnalyzerParms.FileOrFolderPaths.Count + 1;
string sId = string.Empty;
string sFileToAnalyze = string.Empty;
int i = 0;
//file order is not relevant in this addin,
//but parallel won't work (yet) because of the way
//the observationRoot gets built
foreach (KeyValuePair <string, string> kvp
in this.ObsCalculatorParams.AnalyzerParms.FileOrFolderPaths)
{
sId = kvp.Key;
sFileToAnalyze = kvp.Value;
if (CalculatorHelpers.URIAbsoluteExists(
this.ObsCalculatorParams.ExtensionDocToCalcURI,
sFileToAnalyze))
{
this.ObsCalculatorParams.AnalyzerParms.ObservationFile = sFileToAnalyze;
this.ObsCalculatorParams.AnalyzerParms.FilePositionIndex = i;
//stream and add the calculation (observation)
//to the observationsRoot
if (!CalculatorHelpers.URIAbsoluteExists(
this.ObsCalculatorParams.ExtensionDocToCalcURI,
this.ObsCalculatorParams.AnalyzerParms.ObservationFile))
{
return(HasGoodObservationFile);
}
this.ObsCalculatorParams.DocToCalcReader
= DevTreks.Data.Helpers.FileStorageIO.GetXmlReader(
this.ObsCalculatorParams.ExtensionDocToCalcURI.URIDataManager.InitialDocToCalcURI,
this.ObsCalculatorParams.AnalyzerParms.ObservationFile);
if (this.ObsCalculatorParams.DocToCalcReader != null)
{
using (this.ObsCalculatorParams.DocToCalcReader)
{
this.ObsCalculatorParams.DocToCalcReader.MoveToContent();
this.ObsCalculatorParams.AnalyzerParms.Ancestors.Clear();
this.ObsCalculatorParams.CurrentElementNodeName
= string.Empty;
this.ObsCalculatorParams.ParentElementNodeName
= string.Empty;
LinkedViewCount = 0;
AddObservations(bHasInitialColumnDictionary);
}
}
if (this.ObsCalculatorParams.ErrorMessage != string.Empty)
{
//fix all errors before running an analysis
this.ObsCalculatorParams.ErrorMessage
= this.ObsCalculatorParams.ErrorMessage;
break;
}
i++;
}
}
if (this.ObsCalculatorParams.ErrorMessage == string.Empty)
{
if (bHasInitialColumnDictionary)
{
//save the observations file
if (TextFile != null)
{
//2 passes means using syntax can't be used
TextFile.Flush();
TextFile.Close();
HasGoodObservationFile = true;
}
}
else
{
//second pass builds the observations
StreamAndSaveObservation();
}
}
}
return(HasGoodObservationFile);
}
