public IEnumerable <Signature> StepInto(Signature sig)
{
if (sig == Signature.VariantSig)
{
Signature valueSig = ReadSignature();
yield return(valueSig);
yield break;
}
// No need to handle dicts specially. IsArray does the job
if (sig.IsArray)
{
Signature elemSig = sig.GetElementSignature();
uint ln = ReadUInt32();
ReadPad(elemSig.Alignment);
int endPos = pos + (int)ln;
while (pos < endPos)
{
yield return(elemSig);
}
yield break;
}
if (sig.IsDictEntry)
{
pos = Protocol.Padded(pos, sig.Alignment);
Signature sigKey, sigValue;
sig.GetDictEntrySignatures(out sigKey, out sigValue);
yield return(sigKey);
yield return(sigValue);
yield break;
}
if (sig.IsStruct)
{
pos = Protocol.Padded(pos, sig.Alignment);
foreach (Signature fieldSig in sig.GetFieldSignatures())
{
yield return(fieldSig);
}
yield break;
}
throw new Exception("Can't step into '" + sig + "'");
//yield break;
}
// Note: This method doesn't support aggregate signatures
public bool StepOver(Signature sig)
{
if (sig == Signature.VariantSig) {
Signature valueSig = ReadSignature ();
return StepOver (valueSig);
}
if (sig == Signature.StringSig) {
uint valueLength = ReadUInt32 ();
pos += (int)valueLength;
pos++;
return true;
}
if (sig == Signature.SignatureSig) {
byte valueLength = ReadByte ();
pos += valueLength;
pos++;
return true;
}
// No need to handle dicts specially. IsArray does the job
if (sig.IsArray) {
Signature elemSig = sig.GetElementSignature ();
uint ln = ReadUInt32 ();
pos = Protocol.Padded (pos, elemSig.Alignment);
pos += (int)ln;
return true;
}
int endPos = pos;
if (sig.GetFixedSize (ref endPos)) {
pos = endPos;
return true;
}
if (sig.IsDictEntry) {
pos = Protocol.Padded (pos, sig.Alignment);
Signature sigKey, sigValue;
sig.GetDictEntrySignatures (out sigKey, out sigValue);
if (!StepOver (sigKey))
return false;
if (!StepOver (sigValue))
return false;
return true;
}
if (sig.IsStruct) {
pos = Protocol.Padded (pos, sig.Alignment);
foreach (Signature fieldSig in sig.GetFieldSignatures ())
if (!StepOver (fieldSig))
return false;
return true;
}
throw new Exception ("Can't step over '" + sig + "'");
//return false;
}
// Note: This method doesn't support aggregate signatures
public bool StepOver(Signature sig)
{
if (sig == Signature.VariantSig)
{
Signature valueSig = ReadSignature();
return(StepOver(valueSig));
}
if (sig == Signature.StringSig)
{
uint valueLength = ReadUInt32();
pos += (int)valueLength;
pos++;
return(true);
}
if (sig == Signature.SignatureSig)
{
byte valueLength = ReadByte();
pos += valueLength;
pos++;
return(true);
}
// No need to handle dicts specially. IsArray does the job
if (sig.IsArray)
{
Signature elemSig = sig.GetElementSignature();
uint ln = ReadUInt32();
pos = Protocol.Padded(pos, elemSig.Alignment);
pos += (int)ln;
return(true);
}
int endPos = pos;
if (sig.GetFixedSize(ref endPos))
{
pos = endPos;
return(true);
}
if (sig.IsDictEntry)
{
pos = Protocol.Padded(pos, sig.Alignment);
Signature sigKey, sigValue;
sig.GetDictEntrySignatures(out sigKey, out sigValue);
if (!StepOver(sigKey))
{
return(false);
}
if (!StepOver(sigValue))
{
return(false);
}
return(true);
}
if (sig.IsStruct)
{
pos = Protocol.Padded(pos, sig.Alignment);
foreach (Signature fieldSig in sig.GetFieldSignatures())
{
if (!StepOver(fieldSig))
{
return(false);
}
}
return(true);
}
throw new Exception("Can't step over '" + sig + "'");
//return false;
}
public IEnumerable<Signature> StepInto(Signature sig)
{
if (sig == Signature.VariantSig) {
Signature valueSig = ReadSignature ();
yield return valueSig;
yield break;
}
// No need to handle dicts specially. IsArray does the job
if (sig.IsArray) {
Signature elemSig = sig.GetElementSignature ();
uint ln = ReadUInt32 ();
ReadPad (elemSig.Alignment);
int endPos = pos + (int)ln;
while (pos < endPos)
yield return elemSig;
yield break;
}
if (sig.IsDictEntry) {
pos = Protocol.Padded (pos, sig.Alignment);
Signature sigKey, sigValue;
sig.GetDictEntrySignatures (out sigKey, out sigValue);
yield return sigKey;
yield return sigValue;
yield break;
}
if (sig.IsStruct) {
pos = Protocol.Padded (pos, sig.Alignment);
foreach (Signature fieldSig in sig.GetFieldSignatures ())
yield return fieldSig;
yield break;
}
throw new Exception ("Can't step into '" + sig + "'");
//yield break;
}