/// <summary>
/// Saves the full-context label or mono align label into master label file.
/// </summary>
/// <param name="masterLabelFile">The file name of the master label file for full-context label.</param>
/// <param name="typeOption">The given label type.</param>
/// <param name="alignOption">The given alignment data.</param>
/// <param name="keepRemainingPart">Whether to keep the remaining part.</param>
public void Save(string masterLabelFile, LabelTypeOptions typeOption, LabelAlignOptions alignOption, bool keepRemainingPart)
{
using (StreamWriter writer = new StreamWriter(masterLabelFile, false, Encoding.ASCII))
{
writer.WriteLine(MasterLabelFileHeader);
foreach (KeyValuePair<string, Sentence> kvp in _idKeyedSentences)
{
writer.WriteLine(SentIdFormatString, kvp.Key);
kvp.Value.Save(writer, typeOption, alignOption, keepRemainingPart);
writer.WriteLine(Sentence.EndOfSentence);
}
}
}
/// <summary>
/// Saves one sentence into master label file.
/// </summary>
/// <param name="writer">StreamWriter to save the sentence to.</param>
/// <param name="typeOption">The given label type.</param>
/// <param name="alignOption">The given alignment data.</param>
/// <param name="keepRemainingPart">Whether to keep the remaining part.</param>
public void Save(StreamWriter writer, LabelTypeOptions typeOption, LabelAlignOptions alignOption, bool keepRemainingPart)
{
foreach (PhoneSegment phoneSegment in _phoneSegments)
{
ICollection<string> result = phoneSegment.Save(typeOption, alignOption, keepRemainingPart);
foreach (string line in result)
{
writer.WriteLine(line);
}
}
}
/// <summary>
/// Generates the label list and then save them to file.
/// </summary>
/// <param name="labelListFile">The file name of the label list file.</param>
/// <param name="typeOption">The given label type.</param>
public void GenerateLabelListFile(string labelListFile, LabelTypeOptions typeOption)
{
SortedDictionary<string, object> labelList = (typeOption == LabelTypeOptions.MonoPhoneme) ?
new SortedDictionary<string, object>(StringComparer.Ordinal) :
new SortedDictionary<string, object>();
foreach (Sentence sentence in _idKeyedSentences.Values)
{
foreach (PhoneSegment candidate in sentence.PhoneSegments)
{
string value;
switch (typeOption)
{
case LabelTypeOptions.MonoPhoneme:
value = candidate.Name;
break;
case LabelTypeOptions.FullContext:
value = candidate.FullContextLabel;
break;
default:
throw new InvalidDataException("Unknown HtkLabelTypeOptions value");
}
if (!labelList.ContainsKey(value))
{
labelList.Add(value, null);
}
}
}
using (StreamWriter writer = new StreamWriter(labelListFile, false, Encoding.ASCII))
{
foreach (string label in labelList.Keys)
{
writer.WriteLine(label);
}
}
}
/// <summary>
/// Saves the candidate into the lines in the format of master label file.
/// </summary>
/// <param name="typeOption">The given label type.</param>
/// <param name="alignOption">The given alignment data.</param>
/// <param name="keepRemainingPart">Whether to keep the remaining part.</param>
/// <returns>The lines contains the candidate information.</returns>
public string[] Save(LabelTypeOptions typeOption, LabelAlignOptions alignOption, bool keepRemainingPart)
{
if (alignOption == LabelAlignOptions.StateAlign)
{
string[] result = new string[StateAlignments.Length];
for (int i = 0; i < StateAlignments.Length; ++i)
{
LabelLine labelHelper = new LabelLine
{
Label = Label,
Segment = StateAlignments[i],
State = 2 + i
};
if (LabelRemainings != null && LabelRemainings.Count > 0)
{
labelHelper.Remaining = LabelRemainings[2 + i];
}
// Since Htk state index starts with 2.
result[i] = labelHelper.ToString(typeOption, keepRemainingPart);
}
return result;
}
LabelLine labelLine = new LabelLine { State = -1, Label = Label };
if (LabelRemainings != null && LabelRemainings.Count > 0)
{
if (LabelRemainings.ContainsKey(-1))
{
labelLine.Remaining = LabelRemainings[-1];
}
else if (LabelRemainings.ContainsKey(2))
{
labelLine.Remaining = LabelRemainings[2];
}
}
switch (alignOption)
{
case LabelAlignOptions.NoAlign:
labelLine.Segment = null;
break;
case LabelAlignOptions.PhonemeAlign:
if (_stateSegments == null)
{
throw new InvalidOperationException("Unsupported operation since there is no alignment data in Candidate");
}
labelLine.Segment = new Segment(StartTime, EndTime);
break;
default:
throw new InvalidDataException("Unknown HtkLabelAlignOptions value");
}
return new[] { labelLine.ToString(typeOption, keepRemainingPart) };
}
/// <summary>
/// Converts the HtkLabelHelper to string.
/// </summary>
/// <param name="typeOption">The given label type.</param>
/// <param name="keepRemainingPart">Whether to keep the remaining part.</param>
/// <returns>The string to indicate this object.</returns>
public string ToString(LabelTypeOptions typeOption, bool keepRemainingPart)
{
StringBuilder textBuilder = new StringBuilder();
if (Segment != null)
{
textBuilder.Append(Segment.StartTime);
textBuilder.Append(SplitterChars[0]);
textBuilder.Append(Segment.EndTime);
textBuilder.Append(SplitterChars[0]);
}
switch (typeOption)
{
case LabelTypeOptions.FullContext:
textBuilder.Append(Label.Text);
break;
case LabelTypeOptions.MonoPhoneme:
textBuilder.Append(Label.CentralPhoneme);
break;
default:
throw new InvalidDataException("Unkown HtkLabelTypeOptions value");
}
if (State > 0)
{
textBuilder.Append("[" + State + "]");
}
if (keepRemainingPart && Remaining != null)
{
foreach (string remaining in Remaining)
{
textBuilder.Append(SplitterChars[0]);
textBuilder.Append(remaining);
}
}
return textBuilder.ToString();
}
