public ExternalReferenceContent <T> BuildContent <T>(string filename,
out object content,
string importerName = null,
Dictionary <string, object> importerData = null,
string processorName = null,
Dictionary <string, object> processorData = null,
string writerName = null,
Dictionary <string, object> writerData = null,
bool ignoreBuildItem = false)
{
if (IsBuiltin(filename))
{
content = null;
string outputname = _buildOptions.GetOutputFilename(typeof(T), filename);
return(new ExternalReferenceContent <T>(filename));
}
if (!Path.IsPathRooted(filename))
{
filename = _processorContext.GetFilenamePath(filename);
}
if (!ignoreBuildItem && _buildSource.HasBuildItem(filename))
{
// if there is a build item for this item leave it up to the build source to generate the actual build, and just return a ExternalReferenceContent item.
content = null;
string outputname = _buildOptions.GetOutputFilename(typeof(T), filename);
outputname = _contentSaver.GetPath(outputname, typeof(T));
return(new ExternalReferenceContent <T>(outputname));
}
// first find out the output type of the processor
IContentImporter importer;
if ((importer = CreateImporter(importerName ?? FindImporterByExtension(Path.GetExtension(filename)), importerData ?? new Dictionary <string, object>())) == null)
{
throw new ContentLoadException(importerName != null ?
string.Format("Importer {0} not found.", importerName) :
string.Format("Importer not found that handles extension {0}", Path.GetExtension(filename)));
}
IContentProcessor processor;
if ((processor = CreateProcessor(processorName ?? FindDefaultProcessor(importer.GetType()), processorData ?? new Dictionary <string, object>())) == null)
{
throw new ContentLoadException(processorName != null ?
string.Format("Processor {0} not found.", processorName) :
string.Format("Processor not found that handles type {0}", importer.GetType().Name));
}
_processorContext.PushDirectory(Path.GetDirectoryName(filename));
using (FileStream stream = File.OpenRead(filename))
{
content = importer.Import(stream, this);
}
content = processor.Process(content, _processorContext);
_processorContext.PopDirectory();
object outName;
if (!(content is ContentItem) || !((ContentItem)content).OpaqueData.TryGetValue("OutputFileName", out outName))
{
outName = filename;
}
string outputFilename = _buildOptions.GetOutputFilename(content.GetType(), (string)outName);
if (!_buildOptions.ForceRebuild && _contentSaver.GetLastModified(outputFilename, content.GetType()) > File.GetLastWriteTime(filename))
{
return(new ExternalReferenceContent <T>(_contentSaver.GetPath(outputFilename, processor.OutputType)));
}
ContentTypeWriter typeWriter = GetTypeWriter(writerName, content.GetType(), writerData);
if (typeWriter == null && (typeWriter = GetTypeWriter(content.GetType(), writerData ?? new Dictionary <string, object>())) == null)
{
throw new ContentLoadException(string.Format("ContentTypeWriter not found for content type {0}", content.GetType()));
}
if (_typeWriterManager == null)
{
_typeWriterManager = new ContentTypeWriterManager();
}
using (MemoryStream stream = new MemoryStream())
{
ContentWriter writer = CreateWriter(_typeWriterManager, stream, _buildOptions.CompressOutput, _buildOptions.GetIdentifierString(content.GetType()));
writer.WriteObject(content, typeWriter);
writer.Flush();
string path = _contentSaver.Save(stream, outputFilename, content.GetType());
return(new ExternalReferenceContent <T>(path));
}
}
public abstract void Write(ContentWriter writer, object value);
