public DocumentView(IHost host, IRendererFactory rendererFactory, IDictionary<string, object> documentHost, Document document)
{
DocumentHost = documentHost;
_host = host;
_rendererFactory = rendererFactory;
_document = document;
}
public bool Parse(System.IO.Stream stream, out Document document)
{
document = new Document();
try
{
var tokenizer = new Tokenizer(stream);
IList<Token> tokens = tokenizer.Tokens();
var tokenStream = new Stream(tokens);
foreach (var statement in Parse(tokenStream))
{
foreach (var s in statement)
{
ParseStatementErrors(s);
document.Children.Add(s);
}
}
}
catch (System.IO.EndOfStreamException)
{
Errors.Add(new EndOfStreamException { Index = (int)stream.Length });
}
document.Errors = Errors;
return true;
}
public string Render(AbstractNode node, object model)
{
dynamic localModel = model;
Document document = new Document(_host)
{
Children = localModel.Children
};
return _host.DependencyResolver.Resolve<DocumentRenderer>().Render(document, localModel.Model);
}
public string Render(Document document, object model)
{
var factory = Host.DependencyResolver.Resolve<IRendererFactory>();
StringBuilder sb = new StringBuilder();
foreach (var element in document.Children)
{
var renderer = factory.GetRenderer(element.Name);
sb.AppendLine(renderer.Render(element, model));
}
return sb.ToString();
}
public Document(Document document, Statement statement)
{
Children = document.Children;
Children.Add(statement);
}
public Document(IHost host, Document document, Statement statement)
: this(host)
{
Children = document.Children;
Children.Add(statement);
}
public bool Parse(string text, out Document document)
{
return Parse(new MemoryStream(System.Text.Encoding.Default.GetBytes(text)), out document);
}
public bool Parse(StringReader sourceReader, out Document document)
{
_parser = ParserFactory.CreateParser(sourceReader);
_parser.TrimReductions = true;
_context = new ParserContext(_parser);
document = null;
while (true)
{
switch (_parser.Parse())
{
case ParseMessage.LexicalError:
_errorString = string.Format("Lexical Error. Line {0}. Token {1} was not expected.", _parser.LineNumber, _parser.TokenText);
return false;
case ParseMessage.SyntaxError:
StringBuilder text = new StringBuilder();
foreach (Symbol tokenSymbol in _parser.GetExpectedTokens())
{
text.Append(' ');
text.Append(tokenSymbol.ToString());
}
_errorString = string.Format("Syntax Error. Line {0}. Expecting: {1}.", _parser.LineNumber, text);
return false;
case ParseMessage.Reduction:
_parser.TokenSyntaxNode = _context.CreateASTNode();
break;
case ParseMessage.Accept:
var result = _parser.TokenSyntaxNode as BlockNodeList;
if (result == null)
{
result = new BlockNodeList(_parser.TokenSyntaxNode as BlockNode);
}
document = new Document
{
Children = result
};
_errorString = null;
return true;
case ParseMessage.TokenRead:
//=== Make sure that we store token string for needed tokens.
_parser.TokenSyntaxNode = _context.GetTokenText();
break;
case ParseMessage.InternalError:
_errorString = "Internal Error. Something is horribly wrong.";
return false;
case ParseMessage.NotLoadedError:
_errorString = "Grammar Table is not loaded.";
return false;
case ParseMessage.CommentError:
_errorString = "Comment Error. Unexpected end of input.";
return false;
case ParseMessage.CommentBlockRead:
case ParseMessage.CommentLineRead:
// don't do anything
break;
}
}
}
public bool Parse(string source, out Document document)
{
return Parse(new StringReader(source), out document);
}
