private CfgGrammar.CfgHeader BuildRulesFromBinaryGrammar(CfgGrammar.CfgHeader header, State[] apStateTable, SortedDictionary <int, Rule> ruleFirstArcs, int previousCfgLastRules)
{
for (int i = 0; i < header.rules.Length; i++)
{
CfgRule cfgRule = header.rules[i];
int firstArcIndex = (int)cfgRule.FirstArcIndex;
cfgRule._nameOffset = _symbols.OffsetFromId(_symbols.Find(header.pszSymbols.FromOffset(cfgRule._nameOffset)));
Rule rule = new Rule(this, _symbols.FromOffset(cfgRule._nameOffset), cfgRule, i + previousCfgLastRules, _grammarOptions & GrammarOptions.TagFormat, ref _cImportedRules);
rule._firstState = _states.CreateNewState(rule);
_rules.Add(rule);
if (firstArcIndex > 0)
{
ruleFirstArcs.Add((int)cfgRule.FirstArcIndex, rule);
}
rule._fStaticRule = ((!cfgRule.Dynamic) ? true : false);
rule._cfgRule.DirtyRule = false;
rule._fHasExitPath = (rule._fStaticRule ? true : false);
if (firstArcIndex != 0)
{
rule._firstState.SerializeId = (int)cfgRule.FirstArcIndex;
apStateTable[firstArcIndex] = rule._firstState;
}
if (rule._cfgRule.HasResources)
{
throw new NotImplementedException();
}
if (header.ulRootRuleIndex == i)
{
_rootRule = rule;
}
if (rule._cfgRule._nameOffset != 0)
{
_nameOffsetRules.Add(rule._cfgRule._nameOffset, rule);
}
}
return(header);
}
internal void InitFromBinaryGrammar(StreamMarshaler streamHelper)
{
CfgGrammar.CfgHeader header = CfgGrammar.ConvertCfgHeader(streamHelper);
_words = header.pszWords;
_symbols = header.pszSymbols;
_grammarOptions = header.GrammarOptions;
State[] array = new State[header.arcs.Length];
SortedDictionary <int, Rule> sortedDictionary = new SortedDictionary <int, Rule>();
int count = _rules.Count;
BuildRulesFromBinaryGrammar(header, array, sortedDictionary, count);
Arc[] array2 = new Arc[header.arcs.Length];
bool flag = true;
CfgArc cfgArc = default(CfgArc);
State state = null;
IEnumerator <KeyValuePair <int, Rule> > enumerator = sortedDictionary.GetEnumerator();
if (enumerator.MoveNext())
{
KeyValuePair <int, Rule> current = enumerator.Current;
Rule value = current.Value;
for (int i = 1; i < header.arcs.Length; i++)
{
CfgArc cfgArc2 = header.arcs[i];
if (cfgArc2.RuleRef)
{
value._listRules.Add(_rules[(int)cfgArc2.TransitionIndex]);
}
if (current.Key == i)
{
value = current.Value;
if (enumerator.MoveNext())
{
current = enumerator.Current;
}
}
if (flag || cfgArc.LastArc)
{
if (array[i] == null)
{
uint nextHandle = CfgGrammar.NextHandle;
array[i] = new State(value, nextHandle, i);
AddState(array[i]);
}
state = array[i];
}
int nextStartArcIndex = (int)cfgArc2.NextStartArcIndex;
State end = null;
if (state != null && nextStartArcIndex != 0)
{
if (array[nextStartArcIndex] == null)
{
uint nextHandle2 = CfgGrammar.NextHandle;
array[nextStartArcIndex] = new State(value, nextHandle2, nextStartArcIndex);
AddState(array[nextStartArcIndex]);
}
end = array[nextStartArcIndex];
}
float flWeight = (header.weights != null) ? header.weights[i] : 1f;
Arc arc;
if (cfgArc2.RuleRef)
{
Rule ruleRef = _rules[(int)cfgArc2.TransitionIndex];
arc = new Arc(null, ruleRef, _words, flWeight, 0, null, MatchMode.AllWords, ref _fNeedWeightTable);
}
else
{
int transitionIndex = (int)cfgArc2.TransitionIndex;
int num = (transitionIndex == 4194302 || transitionIndex == 4194301 || transitionIndex == 4194303) ? transitionIndex : 0;
arc = new Arc((int)((num == 0) ? cfgArc2.TransitionIndex : 0), flWeight, cfgArc2.LowConfRequired ? (-1) : (cfgArc2.HighConfRequired ? 1 : 0), num, MatchMode.AllWords, ref _fNeedWeightTable);
}
arc.Start = state;
arc.End = end;
AddArc(arc);
array2[i] = arc;
flag = false;
cfgArc = cfgArc2;
}
}
int j = 1;
int k = 0;
for (; j < header.arcs.Length; j++)
{
CfgArc cfgArc3 = header.arcs[j];
if (!cfgArc3.HasSemanticTag)
{
continue;
}
for (; k < header.tags.Length && header.tags[k].StartArcIndex == j; k++)
{
CfgSemanticTag cfgTag = header.tags[k];
Tag tag = new Tag(this, cfgTag);
_tags.Add(tag);
array2[tag._cfgTag.StartArcIndex].AddStartTag(tag);
array2[tag._cfgTag.EndArcIndex].AddEndTag(tag);
if (cfgTag._nameOffset > 0)
{
tag._cfgTag._nameOffset = _symbols.OffsetFromId(_symbols.Find(_symbols.FromOffset(cfgTag._nameOffset)));
}
else
{
tag._cfgTag._valueOffset = _symbols.OffsetFromId(_symbols.Find(_symbols.FromOffset(cfgTag._valueOffset)));
}
}
}
_fNeedWeightTable = true;
if (header.BasePath != null)
{
SetBasePath(header.BasePath);
}
_guid = header.GrammarGUID;
_langId = header.langId;
_grammarMode = header.GrammarMode;
_fLoadedFromBinary = true;
}