private static void ThrowWhenDuplicateProperties(IEnumerable <KeyValuePair <string, string> > settings, CodeDomProvider provider)
{
var duplicateCollapsedKeys = settings
.GroupBy(s => StronglyTypedConfigBuilder.VerifyConfigKey(s.Key, provider))
.Where(g => g.Count() > 1)
.Select(g => g.Select(x => x.Key).Distinct())
.ToList();
if (duplicateCollapsedKeys.Any())
{
var keys = String.Join("; ", duplicateCollapsedKeys.Select(x => String.Join(", ", x)));
throw new Exception($"The following sets of keys are unsupported as they'll normalize to duplicate property names: {keys}");
}
}
public override bool Execute()
{
if (String.IsNullOrEmpty(Source))
{
return(true);
}
try {
var provider = CodeProvider.ToUpperInvariant() == "VB"
? (CodeDomProvider) new VBCodeProvider()
: (CodeDomProvider) new CSharpCodeProvider();
//Validate config keys and generate code
using (provider) {
IList <KeyValuePair <string, string> > settings;
if (File.Exists(Source))
{
settings = XDocument
.Load(Source)
.XPathSelectElements("/configuration/appSettings/add")
.Select(x => new KeyValuePair <string, string>(x.Attribute("key")?.Value, x.Attribute("value")?.Value))
.ToList();
ThrowWhenDuplicateKeys(settings);
ThrowWhenDuplicateProperties(settings, provider);
}
else
{
Log.LogWarning($"Could not find source config file: \"{Source}\"");
settings = new List <KeyValuePair <string, string> >();
}
using (var writer = new StringWriter()) {
var ccu = StronglyTypedConfigBuilder.Create(settings, Class, Namespace, provider, InternalClass);
provider.GenerateCodeFromCompileUnit(ccu, writer, new CodeGeneratorOptions {
BlankLinesBetweenMembers = false
});
GeneratedCode = writer.ToString();
}
}
//Prepare temporary file location for generated code
string tempFilePath = OutputPath == null
? Path.Combine(Path.GetTempPath(), $"{Namespace.Replace(".", "_")}_{Class}_{Path.GetRandomFileName().Replace(".", "")}.g.cs")
: Path.Combine(OutputPath, $"{Namespace.Replace(".", "_")}_{Class}.g.cs");
string tempFileDir = Path.GetDirectoryName(tempFilePath);
if (tempFileDir != null)
{
Directory.CreateDirectory(tempFileDir);
}
//Write and output generated code
File.WriteAllText(tempFilePath, GeneratedCode, Encoding.UTF8);
GeneratedConfigPath = tempFilePath;
return(true);
} catch (Exception ex) {
Log.LogErrorFromException(ex, false, false, Source);
return(false);
}
}
