public List <TransformConfiguration> ReadFromFile(string path, string rootPath = "")
{
using (var str = FileReader.ReadFile(path))
{
var doc = XDocument.Load(str);
if (doc.Root == null)
{
throw InvalidConfigurationFile.BecauseMissingRoot(path);
}
var rootPostTransformations = GetPostTransformation(doc.Root, new List <IPostTransformation>(), path);
var result = doc.Root.Elements()
.Where(x => x.IsElementWithName(TransformationGroupElementName))
.Select(x =>
{
var groupPostTransformations = GetPostTransformation(x, rootPostTransformations, path);
var pattern = x.Attribute(PatternSourceElementName)?.Value;
if (string.IsNullOrWhiteSpace(pattern))
{
throw InvalidConfigurationFile.BecauseMissingPattern(path);
}
var placeholderPattern = x.Attribute(PlaceholderPattern)?.Value;
var transformations = x.Elements()
.Where(y => y.IsElementWithName(TransformationElementName))
.Select(y =>
{
var valuesProvider = CreateValuesProvider(y, rootPath);
if (valuesProvider == null)
{
throw InvalidConfigurationFile.BecauseMissingValuesSource(path, pattern);
}
var outputFilePath = y.Attribute(OutputPathElementName)?.Value;
if (string.IsNullOrWhiteSpace(outputFilePath))
{
throw InvalidConfigurationFile.BecauseMissingOutput(path, pattern);
}
return(new TransformConfiguration
{
PlaceholderPattern = placeholderPattern,
PatternFilePath = pattern,
OutputFilePath = outputFilePath,
OutputArchive = y.Attribute(OutputArchiveElementName)?.Value,
ValuesProvider = valuesProvider,
PostTransformations = GetPostTransformation(y, groupPostTransformations, path)
});
}).ToList();
return(transformations);
});
return(result.SelectMany(x => x).ToList());
}
}
private List <IPostTransformationsConfigurationOperation> GetPostTransformationsConfiguration(XElement node, string path)
{
try
{
var postTransformationsNode = node.Elements()
.SingleOrDefault(x => x.IsElementWithName(PostTransformationElementName));
if (postTransformationsNode == null)
{
return(new List <IPostTransformationsConfigurationOperation>());
}
return(postTransformationsNode.Elements()
.Select(PostTransformationsConfigurationOperationFactory.Create)
.ToList());
}
catch (InvalidOperationException)
{
throw InvalidConfigurationFile.BecauseDuplicatedPostTransformations(path);
}
}