public void SubjectsDtd()
{
var dtd = @"<!--see Element Type Declarations
for an explanation of the following syntax-->
<!ELEMENT document
(title*,subjectID,subjectname,prerequisite?,
classes,assessment,syllabus,textbooks*)>
<!ELEMENT prerequisite (subjectID,subjectname)>
<!ELEMENT textbooks (author,booktitle)>
<!ELEMENT title (#PCDATA)>
<!ELEMENT subjectID (#PCDATA)>
<!ELEMENT subjectname (#PCDATA)>
<!ELEMENT classes (#PCDATA)>
<!ELEMENT assessment (#PCDATA)>
<!ATTLIST assessment assessment_type (exam | assignment) #IMPLIED>
<!ELEMENT syllabus (#PCDATA)>
<!ELEMENT author (#PCDATA)>
<!ELEMENT booktitle (#PCDATA)>";
var parser = new DtdParser(dtd);
parser.Parse();
var result = parser.Result;
Assert.AreEqual(13, result.Count);
Assert.AreEqual(1, result.Comments.Count());
Assert.AreEqual(1, result.Attributes.Count());
Assert.AreEqual(11, result.Elements.Count());
}
/// <summary>
/// Scans the external portion, i.e. the system identifier of the doctype.
/// </summary>
/// <param name="url">The url to use.</param>
/// <param name="typeDefinitions">The type definitions to modify.</param>
void ScanExternalSubset(String url, DtdContainer typeDefinitions)
{
if (Configuration.HasHttpRequester)
{
if (!Location.IsAbsolute(url))
url = Location.MakeAbsolute(doc.BaseURI, url);
var http = Configuration.GetHttpRequester();
var response = http.Request(new DefaultHttpRequest { Address = new Uri(url) });
var stream = new SourceManager(response.Content);
var container = new DtdContainer(typeDefinitions)
{
Url = url,
Parent = doc
};
var dtd = new DtdParser(container, stream);
dtd.IsInternal = false;
dtd.Parse();
}
}
void ScanInternalSubset(XmlDoctypeToken doctype)
{
var dtd = new DtdParser(_dtd, _src);
dtd.IsInternal = true;
dtd.ErrorOccurred += (s, e) => RaiseErrorOccurred(s, e);
dtd.Parse();
doctype.InternalSubset = dtd.Result.Text;
}
