private static ParseResult TryParseYamlMetadataFile(string metadataFileName, out MetadataItem projectMetadata)
{
projectMetadata = null;
try
{
using (StreamReader reader = new StreamReader(metadataFileName))
{
projectMetadata = YamlUtility.Deserialize <MetadataItem>(reader);
return(new ParseResult(ResultLevel.Success));
}
}
catch (Exception e)
{
return(new ParseResult(ResultLevel.Error, e.Message));
}
}
/// <summary>
/// Extract YAML format content from yaml header
/// </summary>
/// <param name="content">the whole matched yaml header</param>
/// <param name="requiredProperties">The properties that should be specified</param>
/// <param name="properties"></param>
/// <param name="message"></param>
/// <returns></returns>
private static bool TryExtractProperties(string content, IEnumerable <string> requiredProperties, out Dictionary <string, object> properties, out string message)
{
properties = new Dictionary <string, object>();
message = string.Empty;
if (string.IsNullOrEmpty(content))
{
return(false);
}
try
{
using (StringReader reader = new StringReader(content))
{
properties = YamlUtility.Deserialize <Dictionary <string, object> >(reader);
string checkPropertyMessage;
bool checkPropertyStatus = CheckRequiredProperties(properties, requiredProperties, out checkPropertyMessage);
if (!checkPropertyStatus)
{
throw new InvalidDataException(checkPropertyMessage);
}
if (!string.IsNullOrEmpty(checkPropertyMessage))
{
message += checkPropertyMessage;
}
}
return(true);
}
catch (Exception e)
{
message += string.Format(@"yaml header
---
{0}
---
is not in a valid YAML format: {1}.", content, e.Message);
return(false);
}
}