public override void GenerateCode(AssemblyBuilder assemblyBuilder)
{
// look at the assembly builder to see which language we should use in the App_Code directory
EntityCodeGenerator generator = null;
if (assemblyBuilder.CodeDomProvider.FileExtension.ToLowerInvariant() == "cs")
{
generator = new EntityCodeGenerator(LanguageOption.GenerateCSharpCode);
}
else
{
generator = new EntityCodeGenerator(LanguageOption.GenerateVBCode);
}
// generate the code for our CSDL file
IList <EdmSchemaError> errors = null;
using (XmlReader input = XmlReader.Create(VirtualPathProvider.OpenFile(base.VirtualPath)))
{
using (StringWriter output = new StringWriter(CultureInfo.InvariantCulture))
{
// Read from input and generate into output, put errors in a class member
var entityFrameworkVersion = GetEntityFrameworkVersion(BuildManager.TargetFramework.Version);
errors = generator.GenerateCode(input, output, entityFrameworkVersion);
if (errors.Count == 0)
{
output.Flush();
assemblyBuilder.AddCodeCompileUnit(this, new CodeSnippetCompileUnit(output.ToString()));
}
}
}
// if there are errors, package this data into XmlExceptions and throw this
// if we are in VS, the ASP .NET stack will place this information in the error pane
// if we are in the ASP .NET runtime, it will use this information to build the error page
if (errors != null && errors.Count > 0)
{
XmlException inner = null;
XmlException outer = null;
foreach (EdmSchemaError error in errors)
{
outer = new XmlException(error.Message, inner, error.Line, error.Column);
inner = outer;
}
throw outer;
}
BuildProviderUtils.AddArtifactReference(assemblyBuilder, this, base.VirtualPath);
}
internal static void AddArtifactReference(AssemblyBuilder assemblyBuilder, BuildProvider prov, string virtualPath)
{
// add the artifact as a resource to the DLL
using (Stream input = VirtualPathProvider.OpenFile(virtualPath))
{
// derive the resource name
string name = BuildProviderUtils.GetResourceNameForVirtualPath(virtualPath);
using (Stream resStream = assemblyBuilder.CreateEmbeddedResource(prov, name))
{
int byteRead = input.ReadByte();
while (byteRead != -1)
{
resStream.WriteByte((byte)byteRead);
byteRead = input.ReadByte();
}
}
}
}
/// <summary>
/// Extract the CSDL, SSDL and MSL nodes from the EDMX file and store them
/// as embedded resources
/// </summary>
/// <param name="assemblyBuilder"></param>
public override void GenerateCode(AssemblyBuilder assemblyBuilder)
{
using (StreamReader edmxInputStream = new StreamReader(VirtualPathProvider.OpenFile(base.VirtualPath)))
{
// load up an XML document representing the edmx file
XmlElement conceptualSchemaElement;
XmlElement mappingElement;
XmlElement storageSchemaElement;
string embedAsResourcePropertyValue;
EntityDesignerUtils.ExtractConceptualMappingAndStorageNodes(edmxInputStream, out conceptualSchemaElement, out mappingElement, out storageSchemaElement, out embedAsResourcePropertyValue);
if (null == conceptualSchemaElement)
{
throw new XmlException("No Conceptual Schema node to embed as a resource", null, 0, 0);
}
if (null == storageSchemaElement)
{
throw new XmlException("No Storage Schema node to embed as a resource", null, 0, 0);
}
if (null == mappingElement)
{
throw new XmlException("No Mapping node to embed as a resource", null, 0, 0);
}
// construct output paths where the CSDL/MSL/SSDL resources will be placed
string virtualPathPrefix = base.VirtualPath.Replace(EntityDesignerUtils._edmxFileExtension, String.Empty);
string csdlResourceName = BuildProviderUtils.GetResourceNameForVirtualPath(virtualPathPrefix + XmlConstants.CSpaceSchemaExtension);
string ssdlResourceName = BuildProviderUtils.GetResourceNameForVirtualPath(virtualPathPrefix + XmlConstants.SSpaceSchemaExtension);
string mslResourceName = BuildProviderUtils.GetResourceNameForVirtualPath(virtualPathPrefix + XmlConstants.CSSpaceSchemaExtension);
SetupEmbeddedResource(assemblyBuilder, this, conceptualSchemaElement, csdlResourceName);
SetupEmbeddedResource(assemblyBuilder, this, storageSchemaElement, ssdlResourceName);
SetupEmbeddedResource(assemblyBuilder, this, mappingElement, mslResourceName);
}
}
/// <summary>
///
/// </summary>
/// <param name="assemblyBuilder"></param>
public override void GenerateCode(AssemblyBuilder assemblyBuilder)
{
BuildProviderUtils.AddArtifactReference(assemblyBuilder, this, base.VirtualPath);
}
