private IList <DocumentContext> ParseDocument(Uri uri,
IList <DocumentContext> contexts = null,
ISet <Uri> parsedUris = null,
Stack <Uri> parentDocuments = null,
TypeRegistry typeRegistry = null)
{
// This is only for the first call.
contexts = contexts ?? new List <DocumentContext>();
parsedUris = parsedUris ?? new HashSet <Uri>();
parentDocuments = parentDocuments ?? new Stack <Uri>();
typeRegistry = typeRegistry ?? new TypeRegistry();
if (uri == null || !uri.IsAbsoluteUri)
{
throw new ArgumentException("Only absolute URIs can be parsed!");
}
if (parentDocuments.Contains(uri))
{
throw new ArgumentException(string.Format("Input {0} recursively includes itself ({1})", uri,
string.Join(" -> ", parentDocuments) + " -> " + uri));
}
LOG.Debug(string.Format("Parsing {0}...", uri));
var idlNamespace = ExtractNamespace(uri);
if (string.IsNullOrWhiteSpace(idlNamespace))
{
throw new ArgumentException(string.Format("URI {0} can not be translated to a namespace", uri));
}
var context = CreateDocumentContext(uri, idlNamespace, _generatorConfig, typeRegistry);
var document = context.Document;
var header = document.Header;
// Make a note that this document is a parent of all the documents included, directly or recursively
parentDocuments.Push(uri);
try
{
if (header != null)
{
foreach (var include in header.Includes)
{
Uri includeUri;
Uri.TryCreate(_generatorConfig.InputBase, include, out includeUri);
ParseDocument(includeUri,
// If the includes should also generate code, pass the list of
// contexts down to the include parser, otherwise pass a null in
_generatorConfig.GenerateIncludedCode ? contexts : null,
parsedUris,
parentDocuments,
typeRegistry);
}
}
}
finally
{
// Done parsing this document's includes, remove it from the parent chain
parentDocuments.Pop();
}
// Make a note that we've already passed this document
if (!parsedUris.Contains(uri))
{
CreateTypeVisitor(context.CodeNamespace, context).Visit(document);
parsedUris.Add(uri);
contexts.Add(context);
}
return(contexts);
}
protected abstract DocumentContext CreateDocumentContext(Uri uri, string idlNamespace, GeneratorConfig config,
TypeRegistry typeRegistry);
private void ParseDocument(Uri uri,
IDictionary <string, DocumentContext> contexts,
TypeRegistry typeRegistry)
{
if (uri == null || !uri.IsAbsoluteUri)
{
throw new ArgumentException("Only absolute URIs can be parsed!");
}
if (_parentDocuments.Contains(uri))
{
throw new ArgumentException(string.Format("Input {0} recursively includes itself ({1})", uri,
string.Join(" -> ", _parentDocuments) + " -> " + uri));
}
if (_parsedDocuments.Contains(uri))
{
LOG.Debug(string.Format("Skipping already parsed file {0}...", uri));
return;
}
LOG.Debug(string.Format("Parsing {0}...", uri));
var idlNamespace = ExtractNamespace(uri);
if (string.IsNullOrWhiteSpace(idlNamespace))
{
throw new ArgumentException(string.Format("URI {0} can not be translated to a namespace", uri));
}
var context = CreateDocumentContext(uri, idlNamespace, _generatorConfig, typeRegistry);
var document = context.Document;
var header = document.Header;
var codeNamespace = context.CodeNamespace;
// Make a note that this document is a parent of all the documents included, directly or recursively
_parentDocuments.Push(uri);
try
{
if (header != null)
{
foreach (var include in header.Includes)
{
Uri includeUri;
Uri.TryCreate(_generatorConfig.InputBase, include, out includeUri);
ParseDocument(includeUri,
// If the includes should also generate code, pass the list of
// contexts down to the include parser, otherwise pass a null in
_generatorConfig.GenerateIncludedCode ? contexts : null,
typeRegistry);
}
}
}
finally
{
// Done parsing this document's includes, remove it from the parent chain
_parentDocuments.Pop();
}
// Make a note that we've already passed this document
_parsedDocuments.Add(uri);
new TypeVisitor(codeNamespace, context).Visit(document);
if (contexts != null)
{
if (contexts.ContainsKey(context.Namespace))
{
LOG.Info(string.Format("Namespace {0} included multiple times!", context.Namespace));
}
contexts[context.Namespace] = context;
}
}
