private PropertyModel[] GetPropertyModels(string filePath, bool useTypeInference)
{
ExpandoObject headerNames;
using var reader = new StreamReader(filePath);
using var csv = new CsvReader(reader, CultureInfo.InvariantCulture);
csv.Configuration.BadDataFound = context => { };
csv.Configuration.HasHeaderRecord = false;
headerNames = csv.GetRecords <object>().First() as ExpandoObject;
var propertiesModels = headerNames.Select(x => new PropertyModel {
RecordHeaderName = x.Value.ToString()
}).ToArray();
if (!useTypeInference)
{
return(propertiesModels);
}
var records = csv.GetRecords <object>().Cast <IDictionary <string, object> >().ToArray();
foreach (var record in records)
{
for (int i = 0; i < record.Count; i++)
{
if (propertiesModels[i].TypeInferenceState == TypeInferenceStates.MultipleTypes)
{
continue;
}
var previousState = propertiesModels[i].TypeInferenceState;
var previousType = propertiesModels[i].CSharpType;
var inferredType = CSharpSourceHelper.TryInferredCSharpType(record.ElementAt(i).Value);
if (inferredType == null)
{
continue;
}
if (previousState == TypeInferenceStates.Inferred && previousType != inferredType)
{
propertiesModels[i].TypeInferenceState = TypeInferenceStates.MultipleTypes;
propertiesModels[i].CSharpType = null;
continue;
}
propertiesModels[i].CSharpType = inferredType;
propertiesModels[i].TypeInferenceState = TypeInferenceStates.Inferred;
}
}
return(propertiesModels);
}
public static CSharpSourceGeneratorInput CreateInput(string jsonFilePath, string dataSourceName)
{
return(new CSharpSourceGeneratorInput()
{
DataContextTypeName = "Record",
DataContextTypeDefaultPropertiesType = "dynamic",
DataProviderFullIdentifier = "Davidlep.LINQPadDrivers.SimpleJsonDriver.DataProvider",
DataProviderMethod = "GetRecordsJson",
DataSourceFilePath = jsonFilePath,
DataSourceMemberName = dataSourceName,
PropertyAttributeGenerator = (prop) => $" [JsonProperty(\"{CSharpSourceHelper.SanitizeStringForCSharpString(prop)}\")]",
Imports = new[]
{
"System",
"System.Collections.Generic",
"System.Linq",
"System.IO",
"System.Dynamic",
"Newtonsoft.Json",
}
});
}
public static CSharpSourceGeneratorInput CreateInput(string csvFilePath, string dataSourceName)
{
return(new CSharpSourceGeneratorInput()
{
DataContextTypeName = "Record",
DataContextTypeDefaultPropertiesType = "string",
DataProviderFullIdentifier = "Davidlep.LINQPadDrivers.SimpleCsvDriver.DataProvider",
DataProviderMethod = "GetRecordsCsv",
DataSourceFilePath = csvFilePath,
DataSourceMemberName = dataSourceName,
PropertyAttributeGenerator = (prop) => $" [Name(\"{CSharpSourceHelper.SanitizeStringForCSharpString(prop)}\")]",
Imports = new[]
{
"System",
"System.Collections.Generic",
"System.Linq",
"System.Globalization",
"System.IO",
"CsvHelper",
"CsvHelper.Configuration.Attributes",
}
});
}
