private static string CheckRuleName(Stream stream, string rulename, bool isImportedGrammar, bool stgInit, out bool sapi53Only, out GrammarOptions grammarOptions)
{
sapi53Only = false;
long position = stream.Position;
using (StreamMarshaler streamHelper = new StreamMarshaler(stream))
{
CfgGrammar.CfgSerializedHeader cfgSerializedHeader = null;
CfgGrammar.CfgHeader cfgHeader = CfgGrammar.ConvertCfgHeader(streamHelper, false, true, out cfgSerializedHeader);
StringBlob pszSymbols = cfgHeader.pszSymbols;
string text = (cfgHeader.ulRootRuleIndex != uint.MaxValue && cfgHeader.ulRootRuleIndex < cfgHeader.rules.Length) ? pszSymbols.FromOffset(cfgHeader.rules[cfgHeader.ulRootRuleIndex]._nameOffset) : null;
sapi53Only = ((cfgHeader.GrammarOptions & (GrammarOptions.MssV1 | GrammarOptions.IpaPhoneme | GrammarOptions.W3cV1 | GrammarOptions.STG)) != 0);
if (text == null && string.IsNullOrEmpty(rulename))
{
throw new ArgumentException(SR.Get(SRID.SapiErrorNoRulesToActivate));
}
if (!string.IsNullOrEmpty(rulename))
{
bool flag = false;
CfgRule[] rules = cfgHeader.rules;
for (int i = 0; i < rules.Length; i++)
{
CfgRule cfgRule = rules[i];
if (pszSymbols.FromOffset(cfgRule._nameOffset) == rulename)
{
flag = (cfgRule.Export || stgInit || (!isImportedGrammar && (cfgRule.TopLevel || rulename == text)));
break;
}
}
if (!flag)
{
throw new ArgumentException(SR.Get(SRID.RecognizerRuleNotFoundStream, rulename));
}
}
else
{
rulename = text;
}
grammarOptions = (cfgHeader.GrammarOptions & GrammarOptions.TagFormat);
}
stream.Position = position;
return(rulename);
}
public PTEl(PTEType type, List <string> str, CfgRule rule)
{
this.type = type;
this.str = str;
this.rule = rule;
}
public LLkTRow(FirstKEl u, CfgRule grule, List <FollowEl> F)
{
this.u = u;
this.prod = grule;
this.follow = F;
}