/// <summary>
/// TryParseConditionLine.
/// </summary>
/// <param name="line">Line.</param>
/// <param name="phoneSet">PhoneSet.</param>
/// <param name="polyphonyWord">PolyphonyWord.</param>
/// <param name="errorSet">ErrorSet.</param>
/// <returns>Whether the line is condition line.</returns>
private bool TryParseConditionLine(string line, TtsPhoneSet phoneSet,
PolyphonyRule polyphonyWord, ErrorSet errorSet)
{
bool isConditionLine = false;
if (IsConditionLine(line))
{
isConditionLine = true;
if (polyphonyWord == null)
{
errorSet.Add(PolyRuleError.MissKeyValueLine, line);
}
errorSet.AddRange(ParseConditionLine(line, phoneSet, polyphonyWord));
}
return isConditionLine;
}
/// <summary>
/// TryParseKeyLine.
/// </summary>
/// <param name="line">Line.</param>
/// <param name="polyphonyWord">PolyphonyWord.</param>
/// <param name="errorSet">ErrorSet.</param>
/// <param name="domain">Domain.</param>
/// <returns>Whether the line is key line.</returns>
private bool TryParseKeyLine(string line, ref PolyphonyRule polyphonyWord,
ErrorSet errorSet, string domain)
{
bool isKeyLine = false;
if (IsKeyLine(line))
{
isKeyLine = true;
if (polyphonyWord != null)
{
if (polyphonyWord.PolyphonyProns.Count == 0)
{
errorSet.Add(PolyRuleError.NoConditionForWord, polyphonyWord.Word);
}
else
{
_polyphonyWords.Add(polyphonyWord);
}
}
polyphonyWord = new PolyphonyRule();
polyphonyWord.Domain = domain;
int errorCountBeforeParsing = errorSet.Errors.Count;
string keyValue = ParseKeyValueLine(line, errorSet);
if (errorSet.Errors.Count == errorCountBeforeParsing)
{
polyphonyWord.Word = keyValue;
}
}
return isKeyLine;
}
/// <summary>
/// ParseConditionLine.
/// </summary>
/// <param name="line">Line.</param>
/// <param name="phoneSet">PhoneSet.</param>
/// <param name="polyphonyWord">PolyphonyWord.</param>
/// <returns>ErrorSet.</returns>
private ErrorSet ParseConditionLine(string line, TtsPhoneSet phoneSet,
PolyphonyRule polyphonyWord)
{
ErrorSet errorSet = new ErrorSet();
Match match = Regex.Match(line, ConditionLineRegex);
if (match.Groups.Count < 3)
{
errorSet.Add(PolyRuleError.InvalidConditionFormat,
line);
}
else
{
PolyphonyPron polyphonyPron = new PolyphonyPron();
polyphonyPron.Pron = match.Groups[2].ToString().Trim();
// Allow empty pronunciation for polyphony rule.
if (!string.IsNullOrEmpty(polyphonyPron.Pron) && phoneSet != null)
{
errorSet.AddRange(Pronunciation.Validate(polyphonyPron.Pron, phoneSet));
}
string conditions = match.Groups[1].ToString().Trim();
bool hasMatched = false;
foreach (Match conditionMatch in Regex.Matches(conditions, ConditionRegex))
{
hasMatched = true;
string expression = conditionMatch.Value;
PolyphonyCondition condition = new PolyphonyCondition();
ParsePolyCondition(expression.Trim(), condition, errorSet);
polyphonyPron.Conditions.Add(condition);
}
if (hasMatched)
{
if (errorSet.GetSeverityCount(ErrorSeverity.MustFix) == 0)
{
if (polyphonyWord == null)
{
errorSet.Add(PolyRuleError.MissKeyValueLine, line);
}
else
{
polyphonyWord.PolyphonyProns.Add(polyphonyPron);
}
}
}
else
{
errorSet.Add(PolyRuleError.InvalidConditionFormat, line);
}
}
return errorSet;
}