//--- Methods ---
public IParser Preprocess(string source)
{
var inputStream = YamlParser.Parse(source);
var outputStream = new YamlStream {
Start = inputStream.Start,
Documents = inputStream.Documents
.Select(inputDocument => Preprocess(inputDocument))
.ToList(),
End = inputStream.End
};
var parsingEvents = new List <ParsingEvent>();
outputStream.AppendTo(parsingEvents);
return(new YamlParsingEventsParser(parsingEvents));
}
//--- Methods ---
public ModuleNode Convert(string source, string selector)
{
// parse text into a pre-processed YAML token stream
IParser yamlParser;
try {
_selector = ":" + (selector ?? "Default");
var inputStream = YamlParser.Parse(source);
var outputStream = new YamlStream {
Start = inputStream.Start,
Documents = inputStream.Documents
.Select(inputDocument => Preprocess(inputDocument))
.ToList(),
End = inputStream.End
};
var parsingEvents = new List <ParsingEvent>();
outputStream.AppendTo(parsingEvents);
yamlParser = new YamlParsingEventsParser(parsingEvents);
} catch (Exception e) {
LogError(e);
return(null);
}
// parse YAML token stream into module AST
try {
return(new DeserializerBuilder()
.WithNamingConvention(new PascalCaseNamingConvention())
.WithNodeDeserializer(new CloudFormationFunctionNodeDeserializer())
.WithCloudFormationFunctions()
.Build()
.Deserialize <ModuleNode>(yamlParser));
} catch (YamlDotNet.Core.YamlException e) {
LogError($"parsing error near {e.Message}");
} catch (Exception e) {
LogError(e);
}
return(null);
}