public SynchronizationEngine(ITemplateSignatureProvider signatureProvider, TemplateGenerationMetadata templateMetadata, ITypeListProvider typeListProvider, string configurationName)
{
_signatureProvider = signatureProvider;
_templateMetadata = templateMetadata;
_typeListProvider = typeListProvider;
_configurationName = configurationName;
}
/// <summary>
/// Generates source code files and writes them to disk
/// </summary>
public void Generate(TemplateGenerationMetadata metadata)
{
// this is a hack hack hack. Use parameters, lazybones.
_metadata = metadata;
_parameters = metadata.Parameters;
// for source generation we want to split the generated code into separate units (files)
CodeCompileUnit interfaceUnit = CreateCodeCompileUnit();
CodeCompileUnit concreteUnit = CreateCodeCompileUnit();
GenerateInterfaceCode(interfaceUnit);
GenerateTemplateCode(concreteUnit);
SortCodeCompileUnit(concreteUnit);
SortCodeCompileUnit(interfaceUnit);
WriteFileWithBackups(_parameters.ItemOutputPath, concreteUnit);
WriteFileWithBackups(_parameters.InterfaceOutputPath, interfaceUnit);
}
/// <summary>
/// Generates an interface for each template that the current template derives from, recursively.
/// </summary>
private TemplateInfo GenerateInheritedInterfaces(ITemplateInfo template, TemplateGenerationMetadata templateData)
{
var existingInterface = templateData.GetInterface(template.TemplateId);
if (existingInterface != null) return existingInterface;
var interfaceInfo = templateData.AddInterface(template, _parameters.InterfaceSuffix);
var fieldKeys = GetBaseFieldSet();
fieldKeys.Add(interfaceInfo.TypeName); // member names cannot be the same as their enclosing type
fieldKeys.Add(template.Name.AsIdentifier()); // prevent any fields from being generated that would conflict with a concrete item name as well as the interface name
// create interface properties
foreach (var field in template.OwnFields)
{
if (_templateInputProvider.IsFieldIncluded(field.Id))
{
string propertyName = field.Name.AsNovelIdentifier(fieldKeys);
var fieldInfo = new FieldPropertyInfo(field);
fieldInfo.FieldPropertyName = propertyName;
fieldInfo.SearchFieldName = _indexFieldNameTranslator.GetIndexFieldName(field.Name);
fieldInfo.FieldType = _fieldMappingProvider.GetFieldType(field);
if (fieldInfo.FieldType == null)
{
Log.Warn("Synthesis: Field type resolution for " + field.Template.Name + "::" + field.Name + " failed; no mapping found for field type " + field.Type, this);
continue; // skip adding the field for generation
}
// record usage of the property name
fieldKeys.Add(propertyName);
// add the field to the metadata
interfaceInfo.FieldsToGenerate.Add(fieldInfo);
}
}
// add base interface inheritance
foreach (var baseTemplate in template.BaseTemplates)
{
if (baseTemplate.Name.ToUpperInvariant() != StandardTemplate)
{
// recursively generate base templates' interfaces as needed
var baseInterface = GenerateInheritedInterfaces(baseTemplate, templateData);
if (baseInterface != null)
interfaceInfo.InterfacesImplemented.Add(baseInterface); // assign interface implementation
}
}
return interfaceInfo;
}
private TemplateGenerationMetadata CreateTemplateData()
{
var templates = _templateInputProvider.CreateTemplateList();
var templateData = new TemplateGenerationMetadata(_parameters.UseTemplatePathForNamespace, _parameters.TemplatePathRoot, _parameters);
foreach (var friendMetadata in _parameters.GetFriendMetadata())
{
foreach (var iface in friendMetadata.Interfaces)
{
templateData.AddFriendInterface(iface);
}
}
foreach (var template in templates) templateData.AddConcrete(template);
return templateData;
}
/// <summary>
/// Adds friend metadata (e.g. a template built in a different configuration) which can be referenced by templates in this one as a base
/// </summary>
public virtual void AddFriendMetadata(TemplateGenerationMetadata metadata)
{
Assert.ArgumentNotNull(metadata, "metadata");
_friendMetadata.Add(metadata);
}