public DTD UseDtd(string dtdIdentifier)
{
string dtdCache = dtdIdentifier + ".cache";
//check to see if we have a cached version of this file
#if USE_ISOLATED_STORAGE
Stream stream = null;
using (IsolatedStorageFile store = IsolatedStorageFile.GetUserStoreForApplication())
{
string[] filenames = store.GetFileNames(dtdCache);
if (filenames.Length > 0)
{
stream = new IsolatedStorageFileStream(dtdCache, FileMode.Open, FileAccess.Read, FileShare.None, store);
}
}
if (stream != null)
{
try
{
m_DtdRegex.ReadFromCache(new StreamReader(stream, Encoding.UTF8));
}
finally
{
stream.Close();
}
}
// NOTE: we could actually use the same code as below, which gives more control over the subdirectory and doesn't have any size limits:
#else
string dirpath = Path.Combine(ExternalFilesDataManager.STORAGE_FOLDER_PATH, m_DtdStoreDirName);
//if (!Directory.Exists(dirpath))
//{
// Directory.CreateDirectory(dirpath);
//}
string path = Path.Combine(dirpath, dtdCache);
if (File.Exists(path))
{
Stream stream = File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read);
try
{
m_DtdRegex.ReadFromCache(new StreamReader(stream, Encoding.UTF8));
}
finally
{
stream.Close();
}
return(null);
}
#endif //USE_ISOLATED_STORAGE
else
{
//else read the .dtd file
Stream dtdStream = DTDs.DTDs.Fetch(dtdIdentifier);
if (dtdStream == null)
{
//DebugFix.Assert(false);
#if DEBUG
Debugger.Break();
#endif // DEBUG
MissingDtdValidationError error = new MissingDtdValidationError()
{
DtdIdentifier = dtdIdentifier
};
addValidationItem(error);
return(null);
}
// NOTE: the Stream is automatically closed by the parser, see Scanner.ReadNextChar()
DTDParser parser = new DTDParser(new StreamReader(dtdStream, Encoding.UTF8));
DTD dtd = parser.Parse(true);
m_DtdRegex.ParseDtdIntoHashtable(dtd);
return(dtd);
}
}
public override bool Validate()
{
if (m_Session.IsXukSpine)
{
return(true);
}
//#if DEBUG
// m_DtdRegex.Reset();
//#endif // DEBUG
if (!Settings.Default.EnableMarkupValidation)
{
resetToValid();
return(IsValid);
}
String dtdIdentifier = DTDs.DTDs.DTBOOK_2005_3_MATHML;
if (m_Session.DocumentProject != null && "body".Equals(m_Session.DocumentProject.Presentations.Get(0).RootNode.GetXmlElementLocalName(),
StringComparison.OrdinalIgnoreCase))
{
dtdIdentifier = DTDs.DTDs.HTML5;
//// TODO: a DTD does not exist per-say for HTML5 (as this is not an SGML-based markup language),
//// and Tobi's own HTML5 DTD hack does not cut it...just way too many false positives,
//// as well as incorrect handling of "transparent" elements that can have dual block inline content models.
//// So, the document is always considered valid.
resetToValid();
return(IsValid);
}
bool dtdHasChanged = String.IsNullOrEmpty(m_DtdIdentifier) || m_DtdIdentifier != dtdIdentifier;
m_DtdIdentifier = dtdIdentifier;
if (dtdHasChanged || m_DtdRegex.DtdRegexTable == null || m_DtdRegex.DtdRegexTable.Count == 0)
{
loadDTD(m_DtdIdentifier);
string dtdCache = m_DtdIdentifier + ".cache";
string dirpath = Path.Combine(ExternalFilesDataManager.STORAGE_FOLDER_PATH, m_DtdStoreDirName);
string path = Path.Combine(dirpath, dtdCache);
//cache the dtd and save it as dtdIdenfier + ".cache"
#if USE_ISOLATED_STORAGE
using (IsolatedStorageFile store = IsolatedStorageFile.GetUserStoreForApplication())
{
stream = new IsolatedStorageFileStream(dtdCache, FileMode.Create, FileAccess.Write, FileShare.None, store);
}
// NOTE: we could actually use the same code as below, which gives more control over the subdirectory and doesn't have any size limits:
#else
if (!Directory.Exists(dirpath))
{
FileDataProvider.CreateDirectory(dirpath);
}
Stream stream = File.Open(path, FileMode.Create, FileAccess.Write, FileShare.None);
#endif //USE_ISOLATED_STORAGE
var writer = new StreamWriter(stream);
try
{
m_DtdRegex.WriteToCache(writer);
}
finally
{
writer.Flush();
writer.Close();
}
}
if (m_Session.DocumentProject != null)
{
resetToValid();
if (m_DtdRegex == null || m_DtdRegex.DtdRegexTable == null || m_DtdRegex.DtdRegexTable.Count == 0)
{
MissingDtdValidationError error = new MissingDtdValidationError()
{
DtdIdentifier = m_DtdIdentifier
};
addValidationItem(error);
}
else
{
var strBuilder = new StringBuilder();
ValidateNode(strBuilder, m_Session.DocumentProject.Presentations.Get(0).RootNode);
}
}
return(IsValid);
}
