/// <summary>
/// Parses a DTD and creates a <see cref="SgmlDtd"/> instance that encapsulates the DTD.
/// </summary>
/// <param name="baseUri">The base URI of the DTD.</param>
/// <param name="name">The name of the DTD.</param>
/// <param name="publicId"></param>
/// <param name="url"></param>
/// <param name="subset"></param>
/// <param name="proxy"></param>
/// <param name="nt">The <see cref="XmlNameTable"/> is not used.</param>
/// <returns>A new <see cref="SgmlDtd"/> instance that encapsulates the DTD.</returns>
public static SgmlDtd Parse(Uri baseUri, string name, string publicId,
string url, string subset, string proxy, XmlNameTable nt)
{
SgmlDtd dtd = new SgmlDtd(name, nt);
if (!String.IsNullOrEmpty(url))
{
dtd.PushEntity(baseUri, new Entity(dtd.Name, publicId, url, proxy));
}
if (!String.IsNullOrEmpty(subset))
{
dtd.PushEntity(baseUri, new Entity(name, subset));
}
try
{
dtd.Parse();
}
catch (ApplicationException e)
{
throw new SgmlParseException(e.Message + dtd._current.Context());
}
return(dtd);
}
public bool CanContain(string name, SgmlDtd dtd)
{
if (_declaredContent != DeclaredContent.Default)
return false;
return _model.CanContain(name, dtd);
}
public bool CanContain(string name, SgmlDtd dtd)
{
if (_declaredContent != DeclaredContent.Default)
{
return(false);
}
return(_model.CanContain(name, dtd));
}
public bool CanContain(string name, SgmlDtd dtd)
{
Precondition.Require(dtd, () => Error.ArgumentNull("dtd"));
// Do a simple search of members.
foreach (object obj in _members)
{
if (obj is String)
{
if (String.Equals((string)obj, name, StringComparison.InvariantCultureIgnoreCase))
{
return(true);
}
}
}
// didn't find it, so do a more expensive search over child elements
// that have optional start tags and over child groups.
foreach (object obj in _members)
{
string s = (obj as string);
if (s != null)
{
ElementDeclaration e = dtd.FindElement(s);
if (e != null)
{
if (e.StartTagOptional)
{
if (e.CanContain(name, dtd))
{
return(true);
}
}
}
}
else
{
Group m = (Group)obj;
if (m.CanContain(name, dtd))
{
return(true);
}
}
}
return(false);
}
public bool CanContain(string name, SgmlDtd dtd)
{
if (_exclusions != null)
{
foreach (string excl in _exclusions)
{
if (excl == name)
{
return(false);
}
}
}
if (_inclusions != null)
{
foreach (string incl in _inclusions)
{
if (incl == name)
{
return(true);
}
}
}
return(_contentModel.CanContain(name, dtd));
}
public bool CanContain(string name, SgmlDtd dtd)
{
if (_exclusions != null)
{
foreach (string excl in _exclusions)
{
if (excl == name)
return false;
}
}
if (_inclusions != null)
{
foreach (string incl in _inclusions)
{
if (incl == name)
return true;
}
}
return _contentModel.CanContain(name, dtd);
}
private void LazyLoadDtd(Uri baseUri)
{
if (_dtd == null)
{
if (String.IsNullOrEmpty(_systemLiteral))
{
if (_docType != null && String.Equals(_docType, "html",
StringComparison.InvariantCultureIgnoreCase))
{
Assembly a = typeof(SgmlReader).Assembly;
string name = a.FullName.Split(',')[0] + ".Resources.html.dtd";
Stream stream = a.GetManifestResourceStream(name);
if (stream != null)
{
StreamReader sr = new StreamReader(stream);
_dtd = SgmlDtd.Parse(baseUri, "HTML", sr, null, _proxy, null);
}
}
}
else
{
if (baseUri != null)
baseUri = new Uri(baseUri, _systemLiteral);
else
baseUri = new Uri(new Uri(Directory.GetCurrentDirectory() + "\\"), _systemLiteral);
_dtd = SgmlDtd.Parse(baseUri, _docType, _publicId, baseUri.AbsoluteUri, _subset, _proxy, null);
}
}
if (_dtd != null && _dtd.Name != null)
{
switch (CaseFolding)
{
case CaseFolding.ToUpper:
_rootElementName = _dtd.Name.ToUpper(CultureInfo.InvariantCulture);
break;
case CaseFolding.ToLower:
_rootElementName = _dtd.Name.ToLower(CultureInfo.InvariantCulture);
break;
default:
_rootElementName = _dtd.Name;
break;
}
_isHtml = String.Equals(_dtd.Name, "html",
StringComparison.InvariantCultureIgnoreCase);
}
}
/// <summary>
/// Parses a DTD and creates a <see cref="SgmlDtd"/> instance that encapsulates the DTD.
/// </summary>
/// <param name="baseUri">The base URI of the DTD.</param>
/// <param name="name">The name of the DTD.</param>
/// <param name="publicId"></param>
/// <param name="url"></param>
/// <param name="subset"></param>
/// <param name="proxy"></param>
/// <param name="nt">The <see cref="XmlNameTable"/> is not used.</param>
/// <returns>A new <see cref="SgmlDtd"/> instance that encapsulates the DTD.</returns>
public static SgmlDtd Parse(Uri baseUri, string name, string publicId,
string url, string subset, string proxy, XmlNameTable nt)
{
SgmlDtd dtd = new SgmlDtd(name, nt);
if (!String.IsNullOrEmpty(url))
dtd.PushEntity(baseUri, new Entity(dtd.Name, publicId, url, proxy));
if (!String.IsNullOrEmpty(subset))
dtd.PushEntity(baseUri, new Entity(name, subset));
try
{
dtd.Parse();
}
catch (ApplicationException e)
{
throw new SgmlParseException(e.Message + dtd._current.Context());
}
return dtd;
}
public bool CanContain(string name, SgmlDtd dtd)
{
Precondition.Require(dtd, () => Error.ArgumentNull("dtd"));
// Do a simple search of members.
foreach (object obj in _members)
{
if (obj is String)
{
if (String.Equals((string)obj, name, StringComparison.InvariantCultureIgnoreCase))
return true;
}
}
// didn't find it, so do a more expensive search over child elements
// that have optional start tags and over child groups.
foreach (object obj in _members)
{
string s = (obj as string);
if (s != null)
{
ElementDeclaration e = dtd.FindElement(s);
if (e != null)
{
if (e.StartTagOptional)
{
if (e.CanContain(name, dtd))
return true;
}
}
}
else
{
Group m = (Group)obj;
if (m.CanContain(name, dtd))
return true;
}
}
return false;
}
