private void FinishInitTextReader()
{
// init ParsingState
InitTextReaderInput(_reportedBaseUri, _laterInitParam.inputTextReader);
_reportedEncoding = _ps.encoding;
// parse DTD
if (_laterInitParam.inputContext != null && _laterInitParam.inputContext.HasDtdInfo)
{
ProcessDtdFromParserContext(_laterInitParam.inputContext);
}
_laterInitParam = null;
}
private void FinishInitStream()
{
Encoding enc = null;
// get Encoding from XmlParserContext
if (_laterInitParam.inputContext != null)
{
enc = _laterInitParam.inputContext.Encoding;
}
// init ParsingState
InitStreamInput(_laterInitParam.inputbaseUri, _reportedBaseUri, _laterInitParam.inputStream, _laterInitParam.inputBytes, _laterInitParam.inputByteCount, enc);
_reportedEncoding = _ps.encoding;
// parse DTD
if (_laterInitParam.inputContext != null && _laterInitParam.inputContext.HasDtdInfo)
{
ProcessDtdFromParserContext(_laterInitParam.inputContext);
}
_laterInitParam = null;
}
// Initializes a new instance of the XmlTextReaderImpl class with the specified arguments.
// This constructor is used when creating XmlTextReaderImpl via XmlReader.Create
internal XmlTextReaderImpl(TextReader input, XmlReaderSettings settings, string baseUriStr, XmlParserContext context)
: this(settings.GetXmlResolver(), settings, context)
{
// get BaseUri from XmlParserContext
if (context != null)
{
Debug.Assert(baseUriStr == string.Empty, "BaseURI can come either from XmlParserContext or from the constructor argument, not from both");
if (context.BaseURI != null)
{
baseUriStr = context.BaseURI;
}
}
_reportedBaseUri = baseUriStr;
_closeInput = settings.CloseInput;
_laterInitParam = new LaterInitParam();
_laterInitParam.inputTextReader = input;
_laterInitParam.inputContext = context;
_laterInitParam.initType = InitInputType.TextReader;
if (!settings.Async)
{
//if not set Async flag, finish the init in create stage.
FinishInitTextReader();
}
else
{
_laterInitParam.useAsync = true;
}
}
// Initializes a new instance of the XmlTextReaderImpl class with the specified arguments.
// This constructor is used when creating XmlTextReaderImpl via XmlReader.Create
internal XmlTextReaderImpl(Stream stream, byte[] bytes, int byteCount, XmlReaderSettings settings, Uri baseUri, string baseUriStr,
XmlParserContext context, bool closeInput)
: this(settings.GetXmlResolver(), settings, context)
{
// get BaseUri from XmlParserContext
if (context != null)
{
if (context.BaseURI != null && context.BaseURI.Length > 0 &&
!UriEqual(baseUri, baseUriStr, context.BaseURI, settings.GetXmlResolver()))
{
if (baseUriStr.Length > 0)
{
Throw(SR.Xml_DoubleBaseUri);
}
Debug.Assert(baseUri == null);
baseUriStr = context.BaseURI;
}
}
_reportedBaseUri = baseUriStr;
_closeInput = closeInput;
_laterInitParam = new LaterInitParam();
_laterInitParam.inputStream = stream;
_laterInitParam.inputBytes = bytes;
_laterInitParam.inputByteCount = byteCount;
_laterInitParam.inputbaseUri = baseUri;
_laterInitParam.inputContext = context;
_laterInitParam.initType = InitInputType.Stream;
if (!settings.Async)
{
//if not set Async flag, finish the init in create stage.
FinishInitStream();
}
else
{
_laterInitParam.useAsync = true;
}
}
private void FinishInitUriString()
{
Stream stream = null;
if (_laterInitParam.useAsync)
{
//this will be hit when user create a XmlReader by setting Async, but the first call is Read() instead of ReadAsync(),
//then we still should create an async stream here. And wait for the method finish.
System.Threading.Tasks.Task<object> t = _laterInitParam.inputUriResolver.GetEntityAsync(_laterInitParam.inputbaseUri, string.Empty, typeof(Stream));
t.Wait();
stream = (Stream)t.Result;
}
else
{
stream = (Stream)_laterInitParam.inputUriResolver.GetEntity(_laterInitParam.inputbaseUri, string.Empty, typeof(Stream));
}
if (stream == null)
{
throw new XmlException(SR.Xml_CannotResolveUrl, _laterInitParam.inputUriStr);
}
Encoding enc = null;
// get Encoding from XmlParserContext
if (_laterInitParam.inputContext != null)
{
enc = _laterInitParam.inputContext.Encoding;
}
try
{
// init ParsingState
InitStreamInput(_laterInitParam.inputbaseUri, _reportedBaseUri, stream, null, 0, enc);
_reportedEncoding = _ps.encoding;
// parse DTD
if (_laterInitParam.inputContext != null && _laterInitParam.inputContext.HasDtdInfo)
{
ProcessDtdFromParserContext(_laterInitParam.inputContext);
}
}
catch
{
stream.Dispose();
throw;
}
_laterInitParam = null;
}
// Initializes a new instance of the XmlTextReaderImpl class with the specified arguments.
// This constructor is used when creating XmlTextReaderImpl via XmlReader.Create
internal XmlTextReaderImpl(string uriStr, XmlReaderSettings settings, XmlParserContext context, XmlResolver uriResolver)
: this(settings.GetXmlResolver(), settings, context)
{
Uri baseUri = uriResolver.ResolveUri(null, uriStr);
string baseUriStr = baseUri.ToString();
// get BaseUri from XmlParserContext
if (context != null)
{
if (context.BaseURI != null && context.BaseURI.Length > 0 &&
!UriEqual(baseUri, baseUriStr, context.BaseURI, settings.GetXmlResolver()))
{
if (baseUriStr.Length > 0)
{
Throw(SR.Xml_DoubleBaseUri);
}
Debug.Assert(baseUri == null);
baseUriStr = context.BaseURI;
}
}
_reportedBaseUri = baseUriStr;
_closeInput = true;
_laterInitParam = new LaterInitParam();
_laterInitParam.inputUriStr = uriStr;
_laterInitParam.inputbaseUri = baseUri;
_laterInitParam.inputContext = context;
_laterInitParam.inputUriResolver = uriResolver;
_laterInitParam.initType = InitInputType.UriString;
if (!settings.Async)
{
//if not set Async flag, finish the init in create stage.
FinishInitUriString();
}
else
{
_laterInitParam.useAsync = true;
}
}
internal void Close(bool closeInput)
{
if (_parsingFunction == ParsingFunction.ReaderClosed)
{
return;
}
while (InEntity)
{
PopParsingState();
}
_ps.Close(closeInput);
_curNode = NodeData.None;
_parsingFunction = ParsingFunction.ReaderClosed;
_reportedEncoding = null;
_reportedBaseUri = string.Empty;
_readState = ReadState.Closed;
_fullAttrCleanup = false;
ResetAttributes();
_laterInitParam = null;
}
private void FinishInitUriString()
{
Stream stream = (Stream)_laterInitParam.inputUriResolver.GetEntity(_laterInitParam.inputbaseUri, string.Empty, typeof(Stream));
if (stream == null)
{
throw new XmlException(SR.Xml_CannotResolveUrl, _laterInitParam.inputUriStr);
}
Encoding enc = null;
// get Encoding from XmlParserContext
if (_laterInitParam.inputContext != null)
{
enc = _laterInitParam.inputContext.Encoding;
}
try
{
// init ParsingState
InitStreamInput(_laterInitParam.inputbaseUri, _reportedBaseUri, stream, null, 0, enc);
_reportedEncoding = _ps.encoding;
// parse DTD
if (_laterInitParam.inputContext != null && _laterInitParam.inputContext.HasDtdInfo)
{
ProcessDtdFromParserContext(_laterInitParam.inputContext);
}
}
catch
{
stream.Dispose();
throw;
}
_laterInitParam = null;
}
