//
// This helper converts a serialized CFG grammar header into an in-memory header
//
internal static ScriptRef[] LoadScriptRefs(StreamMarshaler streamHelper, CfgSerializedHeader pFH)
{
//
// Because in 64-bit code, pointers != sizeof(ULONG) we copy each member explicitly.
//
if (pFH.FormatId != CfgGrammar._SPGDF_ContextFree)
{
return(null);
}
//We know that in SAPI 5.0 grammar format pszWords follows header immediately.
if (pFH.pszWords < Marshal.SizeOf <CfgSerializedHeader>())
{
// Must be SAPI 6.0 or above to hold a .NET script
return(null);
}
// Get the symbols
StringBlob symbols = LoadStringBlob(streamHelper, pFH.pszSymbols, pFH.cchSymbols);
// Get the script refs
CfgScriptRef[] cfgScripts = Load <CfgScriptRef>(streamHelper, pFH.pScripts, pFH.cScripts);
// Convert the CFG script reference to ScriptRef
ScriptRef[] scripts = new ScriptRef[cfgScripts.Length];
for (int i = 0; i < cfgScripts.Length; i++)
{
CfgScriptRef cfgScript = cfgScripts[i];
scripts[i] = new ScriptRef(symbols[cfgScript._idRule], symbols[cfgScript._idMethod], cfgScript._method);
}
return(scripts);
}
internal void Serialize(StringBlob symbols, StreamMarshaler streamBuffer)
{
CfgScriptRef cfgScriptRef = default(CfgScriptRef);
cfgScriptRef._idRule = symbols.Find(_rule);
cfgScriptRef._method = _method;
cfgScriptRef._idMethod = _idSymbol;
streamBuffer.WriteStream(cfgScriptRef);
}
internal static ScriptRef[] LoadScriptRefs(StreamMarshaler streamHelper, CfgSerializedHeader pFH)
{
if (pFH.FormatId != _SPGDF_ContextFree)
{
return(null);
}
if (pFH.pszWords < Marshal.SizeOf(typeof(CfgSerializedHeader)))
{
return(null);
}
StringBlob stringBlob = LoadStringBlob(streamHelper, pFH.pszSymbols, pFH.cchSymbols);
CfgScriptRef[] array = Load <CfgScriptRef>(streamHelper, pFH.pScripts, pFH.cScripts);
ScriptRef[] array2 = new ScriptRef[array.Length];
for (int i = 0; i < array.Length; i++)
{
CfgScriptRef cfgScriptRef = array[i];
array2[i] = new ScriptRef(stringBlob[cfgScriptRef._idRule], stringBlob[cfgScriptRef._idMethod], cfgScriptRef._method);
}
return(array2);
}
