/// <summary>
/// Create domain index file.
/// </summary>
/// <param name="scriptFile">Script file.</param>
/// <param name="domainList">Domain list.</param>
/// <param name="uif">Name indexed unit features.</param>
public void Create(XmlScriptFile scriptFile, DomainConfigList domainList, UnitIndexingFile uif)
{
// Parameters Validation
if (scriptFile == null)
{
throw new ArgumentNullException("scriptFile");
}
if (domainList == null)
{
throw new ArgumentNullException("domainList");
}
if (uif == null)
{
throw new ArgumentNullException("uif");
}
Dictionary<string, DomainIndexItem> items =
new Dictionary<string, DomainIndexItem>(StringComparer.Ordinal);
_language = scriptFile.Language;
_tag = domainList.FontTag;
Phoneme phoneme = Localor.GetPhoneme(_language);
SliceData sliceData = Localor.GetSliceData(_language);
foreach (ScriptItem scriptItem in scriptFile.Items)
{
if (!domainList.Contains(scriptItem.Id))
{
continue;
}
Collection<TtsUnit> itemUnits = scriptItem.GetUnits(phoneme, sliceData);
Collection<ScriptWord> allPronouncedNormalWords = scriptItem.AllPronouncedNormalWords;
for (int i = 0; i < allPronouncedNormalWords.Count; i++)
{
ScriptWord word = allPronouncedNormalWords[i];
string text;
if (domainList.Domain == ScriptDomain.Number)
{
text = GetNumberDomainWordText(word, scriptItem.Id, i,
(domainList as NumberDomainConfigList).Digitals);
}
else if (domainList.Domain == ScriptDomain.Acronym)
{
text = GetAcronymDomainWordText(word, scriptItem.Id, i,
(domainList as AcronymDomainConfigList).Acronyms);
}
else if (domainList.Domain == ScriptDomain.Letter)
{
// Use pronunciation phone ids as key
text = GetPhoneIds(word);
}
else
{
text = word.Grapheme.ToUpperInvariant();
}
if (items.ContainsKey(text) &&
domainList.Domain != ScriptDomain.Letter)
{
// Skip duplicate word, except Letter domain
continue;
}
DomainIndexItem item = null;
if (!items.ContainsKey(text))
{
item = new DomainIndexItem();
item.Word = text;
}
else
{
item = items[text];
}
bool skipped = false;
Collection<TtsUnit> wordUnits = word.GetUnits(phoneme, sliceData);
for (int wordUnitIndex = 0; wordUnitIndex < wordUnits.Count; wordUnitIndex++)
{
TtsUnit unit = wordUnits[wordUnitIndex];
FeatureDataItem featureItem = new FeatureDataItem();
int indexOfNonSilence = itemUnits.IndexOf(unit);
Debug.Assert(indexOfNonSilence >= 0 && indexOfNonSilence < itemUnits.Count);
int unitOffset = uif.SearchCandidateOffset(unit.MetaUnit.Name, scriptItem.Id, (uint)indexOfNonSilence);
if (unitOffset == -1)
{
// Skip this word
skipped = true;
break;
}
if (item.FeatureItems.Count == wordUnitIndex)
{
featureItem.UnitIndexes.Add(unitOffset);
item.FeatureItems.Add(featureItem); // [].UnitIndexes.Add(unitOffset);
}
else
{
item.FeatureItems[wordUnitIndex].UnitIndexes.Add(unitOffset);
}
}
if (!skipped && !items.ContainsKey(item.Word))
{
items.Add(item.Word, item);
}
}
}
_items = BuildHashTable(items.Values);
}
/// <summary>
/// Load feature data.
/// </summary>
/// <param name="data">Feature data bytes.</param>
/// <param name="offset">Start offset in feature data chunck.</param>
public void LoadFeatureData(byte[] data, int offset)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
uint count = BitConverter.ToUInt32(data, offset);
checked
{
offset += sizeof(uint);
}
for (int i = 0; i < count; i++)
{
FeatureDataItem item = new FeatureDataItem();
// Number of Unit Indexes
ushort unitCount = BitConverter.ToUInt16(data, offset);
checked
{
offset += sizeof(ushort);
}
// UnitIndexes (uint)
item.UnitIndexes.Clear();
for (ushort unitIndex = 0; unitIndex < unitCount; unitIndex++)
{
int index = BitConverter.ToInt32(data, offset);
item.UnitIndexes.Add(index);
checked
{
offset += sizeof(int);
}
}
_featureItems.Add(item);
}
}