private static ComplexArgStyleNode BuildPluralStyleNode(MessagePattern pattern,
int start, int limit,
MessagePatternArgType argType)
{
ComplexArgStyleNode node = new ComplexArgStyleNode(argType);
MessagePatternPart offset = pattern.GetPart(start);
if (offset.Type.HasNumericValue())
{
node.HasExplicitOffset = true;
node.Offset = pattern.GetNumericValue(offset);
++start;
}
while (start < limit)
{
MessagePatternPart selector = pattern.GetPart(start++);
double value = MessagePattern.NoNumericValue;
MessagePatternPart part = pattern.GetPart(start);
if (part.Type.HasNumericValue())
{
value = pattern.GetNumericValue(part);
++start;
}
int msgLimit = pattern.GetLimitPartIndex(start);
VariantNode variant = new VariantNode();
variant.Selector = pattern.GetSubstring(selector);
variant.SelectorValue = value;
variant.Message = BuildMessageNode(pattern, start, msgLimit);
node.AddVariant(variant);
start = msgLimit + 1;
}
return(node.Freeze());
}
private static ComplexArgStyleNode BuildSelectStyleNode(MessagePattern pattern,
int start, int limit)
{
ComplexArgStyleNode node = new ComplexArgStyleNode(MessagePatternArgType.Select);
while (start < limit)
{
MessagePatternPart selector = pattern.GetPart(start++);
int msgLimit = pattern.GetLimitPartIndex(start);
VariantNode variant = new VariantNode();
variant.Selector = pattern.GetSubstring(selector);
variant.Message = BuildMessageNode(pattern, start, msgLimit);
node.AddVariant(variant);
start = msgLimit + 1;
}
return(node.Freeze());
}
private static ComplexArgStyleNode BuildChoiceStyleNode(MessagePattern pattern,
int start, int limit)
{
ComplexArgStyleNode node = new ComplexArgStyleNode(MessagePatternArgType.Choice);
while (start < limit)
{
int valueIndex = start;
MessagePatternPart part = pattern.GetPart(start);
double value = pattern.GetNumericValue(part);
start += 2;
int msgLimit = pattern.GetLimitPartIndex(start);
VariantNode variant = new VariantNode();
variant.Selector = pattern.GetSubstring(pattern.GetPart(valueIndex + 1));
variant.SelectorValue = value;
variant.Message = BuildMessageNode(pattern, start, msgLimit);
node.AddVariant(variant);
start = msgLimit + 1;
}
return(node.Freeze());
}
