private UssParser()
{
state = ParsingState.Root;
propertyState = PropertyParsingState.Key;
valueState = ValueParsingState.Key;
}
private bool ParseProperties(UssToken token)
{
if (token.IsIgnoreable)
{
return(false);
}
if (propertyState == PropertyParsingState.Key &&
token.type == UssTokenType.RightBracket)
{
state = ParsingState.Root;
return(true);
}
if (propertyState == PropertyParsingState.Key)
{
if (token.type == UssTokenType.ValueRef)
{
bundles.Add(token.body.Substring(1));
if (GetNextToken().type == UssTokenType.SemiColon)
{
WasteNextToken();
}
else
{
throw new UssUnexpectedTokenException(GetNextToken(), UssTokenType.SemiColon);
}
}
else if (token.type == UssTokenType.Id)
{
propertyValues = new List <UssValue>();
propertyKey = token.body;
propertyState = PropertyParsingState.Colon;
}
else
{
throw new InvalidOperationException("Invalid token `" + token.body + "`. (expected Id)");
}
}
else if (propertyState == PropertyParsingState.Colon)
{
if (token.type != UssTokenType.Colon)
{
throw new InvalidOperationException("Invalid token `" + token.body + "`. (expected Colon)");
}
propertyState = PropertyParsingState.Value;
}
else
{
if (token.IsValue)
{
propertyValues.Add(UssValue.Create(token));
}
else if (token.type == UssTokenType.SemiColon)
{
properties.Add(new UssStyleProperty()
{
key = propertyKey,
values = propertyValues.ToArray()
});
propertyState = PropertyParsingState.Key;
}
else
{
throw new InvalidOperationException("Invalid token `" + token.body + "`. (expected Value)");
}
}
return(false);
}
