internal static ISpPhrase CreatePhraseFromWordUnits(RecognizedWordUnit[] words, CultureInfo culture, out GCHandle[] memHandles, out IntPtr coMem)
{
SPPHRASEELEMENT[] array = new SPPHRASEELEMENT[words.Length];
int num = Marshal.SizeOf(typeof(SPPHRASEELEMENT));
List <GCHandle> list = new List <GCHandle>();
coMem = Marshal.AllocCoTaskMem(num * array.Length);
try
{
for (int i = 0; i < words.Length; i++)
{
RecognizedWordUnit recognizedWordUnit = words[i];
array[i] = new SPPHRASEELEMENT();
array[i].bDisplayAttributes = RecognizedWordUnit.DisplayAttributesToSapiAttributes((recognizedWordUnit.DisplayAttributes == DisplayAttributes.None) ? DisplayAttributes.OneTrailingSpace : recognizedWordUnit.DisplayAttributes);
array[i].SREngineConfidence = recognizedWordUnit.Confidence;
array[i].ulAudioTimeOffset = (uint)(recognizedWordUnit._audioPosition.Ticks * 10000 / 10000);
array[i].ulAudioSizeTime = (uint)(recognizedWordUnit._audioDuration.Ticks * 10000 / 10000);
if (recognizedWordUnit.Text != null)
{
GCHandle item = GCHandle.Alloc(recognizedWordUnit.Text, GCHandleType.Pinned);
list.Add(item);
array[i].pszDisplayText = item.AddrOfPinnedObject();
}
if (recognizedWordUnit.Text == null || recognizedWordUnit.LexicalForm != recognizedWordUnit.Text)
{
GCHandle item2 = GCHandle.Alloc(recognizedWordUnit.LexicalForm, GCHandleType.Pinned);
list.Add(item2);
array[i].pszLexicalForm = item2.AddrOfPinnedObject();
}
else
{
array[i].pszLexicalForm = array[i].pszDisplayText;
}
if (!string.IsNullOrEmpty(recognizedWordUnit.Pronunciation))
{
GCHandle item3 = GCHandle.Alloc(recognizedWordUnit.Pronunciation, GCHandleType.Pinned);
list.Add(item3);
array[i].pszPronunciation = item3.AddrOfPinnedObject();
}
Marshal.StructureToPtr((object)array[i], new IntPtr((long)coMem + num * i), false);
}
}
finally
{
memHandles = list.ToArray();
}
SPPHRASE sPPHRASE = new SPPHRASE();
sPPHRASE.cbSize = (uint)Marshal.SizeOf(sPPHRASE.GetType());
sPPHRASE.LangID = (ushort)culture.LCID;
sPPHRASE.Rule = new SPPHRASERULE();
sPPHRASE.Rule.ulCountOfElements = (uint)words.Length;
sPPHRASE.pElements = coMem;
SpPhraseBuilder spPhraseBuilder = new SpPhraseBuilder();
((ISpPhraseBuilder)spPhraseBuilder).InitFromPhrase(sPPHRASE);
return((ISpPhrase)spPhraseBuilder);
}
/// <summary>
/// Helper function used to create a new phrase object from a
/// test string. Each word in the string is converted to a phrase element.
/// This is useful to create a phrase to pass to the EmulateRecognition method.
/// </summary>
internal static ISpPhrase CreatePhraseFromWordUnits(RecognizedWordUnit[] words, CultureInfo culture, out GCHandle[] memHandles, out IntPtr coMem)
{
SPPHRASEELEMENT[] elements = new SPPHRASEELEMENT[words.Length];
// build the unmanaged interop layer
int size = Marshal.SizeOf(typeof(SPPHRASEELEMENT));
List <GCHandle> handles = new();
coMem = Marshal.AllocCoTaskMem(size * elements.Length);
try
{
for (int i = 0; i < words.Length; i++)
{
RecognizedWordUnit word = words[i];
elements[i] = new SPPHRASEELEMENT
{
// display + confidence
bDisplayAttributes = RecognizedWordUnit.DisplayAttributesToSapiAttributes(word.DisplayAttributes == DisplayAttributes.None ? DisplayAttributes.OneTrailingSpace : word.DisplayAttributes),
SREngineConfidence = word.Confidence,
// Timing information
ulAudioTimeOffset = unchecked ((uint)(word._audioPosition.Ticks * 10000 / TimeSpan.TicksPerMillisecond)),
ulAudioSizeTime = unchecked ((uint)(word._audioDuration.Ticks * 10000 / TimeSpan.TicksPerMillisecond))
};
// DLP information
if (word.Text != null)
{
GCHandle handle = GCHandle.Alloc(word.Text, GCHandleType.Pinned);
handles.Add(handle);
elements[i].pszDisplayText = handle.AddrOfPinnedObject();
}
if (word.Text == null || word.LexicalForm != word.Text)
{
GCHandle handle = GCHandle.Alloc(word.LexicalForm, GCHandleType.Pinned);
handles.Add(handle);
elements[i].pszLexicalForm = handle.AddrOfPinnedObject();
}
else
{
elements[i].pszLexicalForm = elements[i].pszDisplayText;
}
if (!string.IsNullOrEmpty(word.Pronunciation))
{
GCHandle handle = GCHandle.Alloc(word.Pronunciation, GCHandleType.Pinned);
handles.Add(handle);
elements[i].pszPronunciation = handle.AddrOfPinnedObject();
}
Marshal.StructureToPtr(elements[i], new IntPtr((long)coMem + size * i), false);
}
}
finally
{
memHandles = handles.ToArray();
}
SPPHRASE spPhrase = new();
spPhrase.cbSize = (uint)Marshal.SizeOf(spPhrase.GetType());
spPhrase.LangID = (ushort)culture.LCID;
spPhrase.Rule = new SPPHRASERULE
{
ulCountOfElements = (uint)words.Length
};
spPhrase.pElements = coMem;
// Initialized the phrase
SpPhraseBuilder phraseBuilder = new();
((ISpPhraseBuilder)phraseBuilder).InitFromPhrase(spPhrase);
return((ISpPhrase)phraseBuilder);
}
