/// <summary>
/// Returns a stream object for a grammar.
/// </summary>
private MemoryStream LoadCfg(bool isImportedGrammar, bool stgInit)
{
// No parameters to the constructors
Uri uriGrammar = Uri;
MemoryStream stream = new();
if (uriGrammar != null)
{
throw new PlatformNotSupportedException();
}
else if (_srgsDocument != null)
{
// If srgs, compile to a stream
SrgsGrammarCompiler.Compile(_srgsDocument, stream);
if (_baseUri == null && _srgsDocument.BaseUri != null)
{
// If we loaded the SrgsDocument from a file then that should be used as the base path.
// But it should not override any baseUri supplied directly to the Grammar constructor or in the xmlBase attribute in the xml.
_baseUri = _srgsDocument.BaseUri;
// So the priority order for getting the base path is:
// 1. The xml:base attribute in the xml.
// 2. The baseUri passed to the Grammar constructor.
// 3. The path the xml was originally loaded from.
}
}
else if (_grammarBuilder != null)
{
// If GrammarBuilder, compile to a stream
_grammarBuilder.Compile(stream);
}
else
{
// If stream, load
SrgsGrammarCompiler.CompileXmlOrCopyCfg(_appStream, stream, null);
}
stream.Position = 0;
// Update the rule name
_ruleName = CheckRuleName(stream, _ruleName, isImportedGrammar, stgInit, out _sapi53Only, out _semanticTag);
// Create an app domain for the grammar code if any
CreateSandbox(stream);
stream.Position = 0;
return(stream);
}
private MemoryStream LoadCfg(bool isImportedGrammar, bool stgInit)
{
Uri uri = Uri;
MemoryStream memoryStream = new MemoryStream();
if (uri != null)
{
string mimeType;
string localPath;
using (Stream stream = _resourceLoader.LoadFile(uri, out mimeType, out _baseUri, out localPath))
{
stream.Position = 0L;
SrgsGrammarCompiler.CompileXmlOrCopyCfg(stream, memoryStream, uri);
}
_resourceLoader.UnloadFile(localPath);
}
else if (_srgsDocument != null)
{
SrgsGrammarCompiler.Compile(_srgsDocument, memoryStream);
if (_baseUri == null && _srgsDocument.BaseUri != null)
{
_baseUri = _srgsDocument.BaseUri;
}
}
else if (_grammarBuilder != null)
{
_grammarBuilder.Compile(memoryStream);
}
else
{
SrgsGrammarCompiler.CompileXmlOrCopyCfg(_appStream, memoryStream, null);
}
memoryStream.Position = 0L;
_ruleName = CheckRuleName(memoryStream, _ruleName, isImportedGrammar, stgInit, out _sapi53Only, out _semanticTag);
CreateSandbox(memoryStream);
memoryStream.Position = 0L;
return(memoryStream);
}
