public XmlQueryStaticData(byte[] data, Type[]?ebTypes)
{
MemoryStream dataStream = new MemoryStream(data, writable: false);
XmlQueryDataReader dataReader = new XmlQueryDataReader(dataStream);
int length;
// Read a format version
int formatVersion = dataReader.Read7BitEncodedInt();
// Changes in the major part of version are not supported
if ((formatVersion & ~0xff) > CurrentFormatVersion)
{
throw new NotSupportedException();
}
// XmlWriterSettings defaultWriterSettings;
_defaultWriterSettings = new XmlWriterSettings(dataReader);
// IList<WhitespaceRule> whitespaceRules;
length = dataReader.ReadInt32();
if (length != 0)
{
_whitespaceRules = new WhitespaceRule[length];
for (int idx = 0; idx < length; idx++)
{
_whitespaceRules[idx] = new WhitespaceRule(dataReader);
}
}
// string[] names;
length = dataReader.ReadInt32();
if (length != 0)
{
_names = new string[length];
for (int idx = 0; idx < length; idx++)
{
_names[idx] = dataReader.ReadString();
}
}
// StringPair[][] prefixMappingsList;
length = dataReader.ReadInt32();
if (length != 0)
{
_prefixMappingsList = new StringPair[length][];
for (int idx = 0; idx < length; idx++)
{
int length2 = dataReader.ReadInt32();
_prefixMappingsList[idx] = new StringPair[length2];
for (int idx2 = 0; idx2 < length2; idx2++)
{
_prefixMappingsList[idx][idx2] = new StringPair(dataReader.ReadString(), dataReader.ReadString());
}
}
}
// Int32Pair[] filters;
length = dataReader.ReadInt32();
if (length != 0)
{
_filters = new Int32Pair[length];
for (int idx = 0; idx < length; idx++)
{
_filters[idx] = new Int32Pair(dataReader.Read7BitEncodedInt(), dataReader.Read7BitEncodedInt());
}
}
// XmlQueryType[] types;
length = dataReader.ReadInt32();
if (length != 0)
{
_types = new XmlQueryType[length];
for (int idx = 0; idx < length; idx++)
{
_types[idx] = XmlQueryTypeFactory.Deserialize(dataReader);
}
}
// XmlCollation[] collations;
length = dataReader.ReadInt32();
if (length != 0)
{
_collations = new XmlCollation[length];
for (int idx = 0; idx < length; idx++)
{
_collations[idx] = new XmlCollation(dataReader);
}
}
// string[] globalNames;
length = dataReader.ReadInt32();
if (length != 0)
{
_globalNames = new string[length];
for (int idx = 0; idx < length; idx++)
{
_globalNames[idx] = dataReader.ReadString();
}
}
// EarlyBoundInfo[] earlyBound;
length = dataReader.ReadInt32();
if (length != 0)
{
_earlyBound = new EarlyBoundInfo[length];
for (int idx = 0; idx < length; idx++)
{
_earlyBound[idx] = new EarlyBoundInfo(dataReader.ReadString(), ebTypes ![idx]);
/// <summary>
/// Minimizes the given automaton using Hopcroft's algorithm.
/// </summary>
public static void MinimizeHopcroft(Automaton a)
{
a.Determinize();
if (a.initial.numTransitions == 1)
{
Transition t = a.initial.TransitionsArray[0];
if (t.to == a.initial && t.min == Character.MIN_CODE_POINT && t.max == Character.MAX_CODE_POINT)
{
return;
}
}
a.Totalize();
// initialize data structures
int[] sigma = a.GetStartPoints();
State[] states = a.GetNumberedStates();
int sigmaLen = sigma.Length, statesLen = states.Length;
List <State>[,] reverse = new List <State> [statesLen, sigmaLen];
ISet <State>[] partition = new EquatableSet <State> [statesLen];
List <State>[] splitblock = new List <State> [statesLen];
int[] block = new int[statesLen];
StateList[,] active = new StateList[statesLen, sigmaLen];
StateListNode[,] active2 = new StateListNode[statesLen, sigmaLen];
LinkedList <Int32Pair> pending = new LinkedList <Int32Pair>();
OpenBitSet pending2 = new OpenBitSet(sigmaLen * statesLen);
OpenBitSet split = new OpenBitSet(statesLen),
refine = new OpenBitSet(statesLen), refine2 = new OpenBitSet(statesLen);
for (int q = 0; q < statesLen; q++)
{
splitblock[q] = new List <State>();
partition[q] = new EquatableSet <State>();
for (int x = 0; x < sigmaLen; x++)
{
active[q, x] = new StateList();
}
}
// find initial partition and reverse edges
for (int q = 0; q < statesLen; q++)
{
State qq = states[q];
int j = qq.accept ? 0 : 1;
partition[j].Add(qq);
block[q] = j;
for (int x = 0; x < sigmaLen; x++)
{
//List<State>[] r = reverse[qq.Step(sigma[x]).number];
var r = qq.Step(sigma[x]).number;
if (reverse[r, x] == null)
{
reverse[r, x] = new List <State>();
}
reverse[r, x].Add(qq);
}
}
// initialize active sets
for (int j = 0; j <= 1; j++)
{
for (int x = 0; x < sigmaLen; x++)
{
foreach (State qq in partition[j])
{
if (reverse[qq.number, x] != null)
{
active2[qq.number, x] = active[j, x].Add(qq);
}
}
}
}
// initialize pending
for (int x = 0; x < sigmaLen; x++)
{
int j = (active[0, x].Count <= active[1, x].Count) ? 0 : 1;
pending.AddLast(new Int32Pair(j, x));
pending2.Set(x * statesLen + j);
}
// process pending until fixed point
int k = 2;
while (pending.Count > 0)
{
Int32Pair ip = pending.First.Value;
pending.Remove(ip);
int p = ip.N1;
int x = ip.N2;
pending2.Clear(x * statesLen + p);
// find states that need to be split off their blocks
for (StateListNode m = active[p, x].First; m != null; m = m.Next)
{
List <State> r = reverse[m.Q.number, x];
if (r != null)
{
foreach (State s in r)
{
int i = s.number;
if (!split.Get(i))
{
split.Set(i);
int j = block[i];
splitblock[j].Add(s);
if (!refine2.Get(j))
{
refine2.Set(j);
refine.Set(j);
}
}
}
}
}
// refine blocks
for (int j = refine.NextSetBit(0); j >= 0; j = refine.NextSetBit(j + 1))
{
List <State> sb = splitblock[j];
if (sb.Count < partition[j].Count)
{
ISet <State> b1 = partition[j];
ISet <State> b2 = partition[k];
foreach (State s in sb)
{
b1.Remove(s);
b2.Add(s);
block[s.number] = k;
for (int c = 0; c < sigmaLen; c++)
{
StateListNode sn = active2[s.number, c];
if (sn != null && sn.Sl == active[j, c])
{
sn.Remove();
active2[s.number, c] = active[k, c].Add(s);
}
}
}
// update pending
for (int c = 0; c < sigmaLen; c++)
{
int aj = active[j, c].Count, ak = active[k, c].Count, ofs = c * statesLen;
if (!pending2.Get(ofs + j) && 0 < aj && aj <= ak)
{
pending2.Set(ofs + j);
pending.AddLast(new Int32Pair(j, c));
}
else
{
pending2.Set(ofs + k);
pending.AddLast(new Int32Pair(k, c));
}
}
k++;
}
refine2.Clear(j);
foreach (State s in sb)
{
split.Clear(s.number);
}
sb.Clear();
}
refine.Clear(0, refine.Length - 1);
}
// make a new state for each equivalence class, set initial state
State[] newstates = new State[k];
for (int n = 0; n < newstates.Length; n++)
{
State s = new State();
newstates[n] = s;
foreach (State q in partition[n])
{
if (q == a.initial)
{
a.initial = s;
}
s.accept = q.accept;
s.number = q.number; // select representative
q.number = n;
}
}
// build transitions and set acceptance
for (int n = 0; n < newstates.Length; n++)
{
State s = newstates[n];
s.accept = states[s.number].accept;
foreach (Transition t in states[s.number].GetTransitions())
{
s.AddTransition(new Transition(t.min, t.max, newstates[t.to.number]));
}
}
a.ClearNumberedStates();
a.RemoveDeadTransitions();
}
/// <summary>
/// Deserialize XmlQueryStaticData object from a byte array.
/// </summary>
public XmlQueryStaticData(byte[] data, Type[] ebTypes)
{
MemoryStream dataStream = new MemoryStream(data, /*writable:*/false);
XmlQueryDataReader dataReader = new XmlQueryDataReader(dataStream);
int length;
// Read a format version
int formatVersion = dataReader.ReadInt32Encoded();
// Changes in the major part of version are not supported
if ((formatVersion & ~0xff) > CurrentFormatVersion)
throw new NotSupportedException();
// XmlWriterSettings defaultWriterSettings;
_defaultWriterSettings = new XmlWriterSettings(dataReader);
// IList<WhitespaceRule> whitespaceRules;
length = dataReader.ReadInt32();
if (length != 0)
{
_whitespaceRules = new WhitespaceRule[length];
for (int idx = 0; idx < length; idx++)
{
_whitespaceRules[idx] = new WhitespaceRule(dataReader);
}
}
// string[] names;
length = dataReader.ReadInt32();
if (length != 0)
{
_names = new string[length];
for (int idx = 0; idx < length; idx++)
{
_names[idx] = dataReader.ReadString();
}
}
// StringPair[][] prefixMappingsList;
length = dataReader.ReadInt32();
if (length != 0)
{
_prefixMappingsList = new StringPair[length][];
for (int idx = 0; idx < length; idx++)
{
int length2 = dataReader.ReadInt32();
_prefixMappingsList[idx] = new StringPair[length2];
for (int idx2 = 0; idx2 < length2; idx2++)
{
_prefixMappingsList[idx][idx2] = new StringPair(dataReader.ReadString(), dataReader.ReadString());
}
}
}
// Int32Pair[] filters;
length = dataReader.ReadInt32();
if (length != 0)
{
_filters = new Int32Pair[length];
for (int idx = 0; idx < length; idx++)
{
_filters[idx] = new Int32Pair(dataReader.ReadInt32Encoded(), dataReader.ReadInt32Encoded());
}
}
// XmlQueryType[] types;
length = dataReader.ReadInt32();
if (length != 0)
{
_types = new XmlQueryType[length];
for (int idx = 0; idx < length; idx++)
{
_types[idx] = XmlQueryTypeFactory.Deserialize(dataReader);
}
}
// XmlCollation[] collations;
length = dataReader.ReadInt32();
if (length != 0)
{
_collations = new XmlCollation[length];
for (int idx = 0; idx < length; idx++)
{
_collations[idx] = new XmlCollation(dataReader);
}
}
// string[] globalNames;
length = dataReader.ReadInt32();
if (length != 0)
{
_globalNames = new string[length];
for (int idx = 0; idx < length; idx++)
{
_globalNames[idx] = dataReader.ReadString();
}
}
// EarlyBoundInfo[] earlyBound;
length = dataReader.ReadInt32();
if (length != 0)
{
_earlyBound = new EarlyBoundInfo[length];
for (int idx = 0; idx < length; idx++)
{
_earlyBound[idx] = new EarlyBoundInfo(dataReader.ReadString(), ebTypes[idx]);
}
}
Debug.Assert(formatVersion != CurrentFormatVersion || dataReader.Read() == -1, "Extra data at the end of the stream");
dataReader.Dispose();
}
