private void ParseAnimationOptions(AnimationRootNode rootNode)
{
while (tokenStream.HasMoreTokens && !AdvanceIfTokenType(StyleTokenType.BracesClose))
{
StyleToken typeToken = tokenStream.Current;
string optionName = AssertTokenTypeAndAdvance(StyleTokenType.Identifier).ToLower();
bool typeFound = false;
for (int index = 0; index < s_AnimationOptionNames.Length; index++)
{
string name = s_AnimationOptionNames[index].Item1;
if (name == optionName)
{
AssertTokenTypeAndAdvance(StyleTokenType.EqualSign);
StyleToken variableToken = tokenStream.Current;
AnimationOptionNode optionNode = StyleASTNodeFactory.AnimationOptionNode(s_AnimationOptionNames[index].Item2, ParsePropertyValue());
optionNode.WithLocation(variableToken);
rootNode.AddOptionNode(optionNode);
typeFound = true;
break;
}
}
if (!typeFound)
{
throw new ParseException(typeToken, $"{optionName} is not a supported animation option. Valid values are: {FormatOptionList(s_AnimationOptionNames)}\n");
}
AssertTokenTypeAndAdvance(StyleTokenType.EndStatement);
}
}
public void ParseAnimationOptionsHeader()
{
LightList <StyleASTNode> nodes = StyleParser.Parse(@"
animation anim1 {
[options] {
delay = 127;
loopType = constant;
loopTime = 100;
iterations = 99;
duration = 34;
forwardStartDelay = 1;
reverseStartDelay = 1;
direction = forward;
timingFunction = linear;
}
}
");
Assert.AreEqual(1, nodes.Count);
AnimationRootNode rootNode = nodes[0] as AnimationRootNode;
AnimationOptionNode opt0 = rootNode.optionNodes[0];
Assert.AreEqual("delay", opt0.optionName);
Assert.AreEqual(StyleASTNodeType.NumericLiteral, opt0.value.type);
AnimationOptionNode opt1 = rootNode.optionNodes[1];
Assert.AreEqual("loopType", opt1.optionName);
Assert.AreEqual(StyleASTNodeType.Identifier, opt1.value.type);
AnimationOptionNode opt2 = rootNode.optionNodes[2];
Assert.AreEqual("loopTime", opt2.optionName);
Assert.AreEqual(StyleASTNodeType.NumericLiteral, opt2.value.type);
AnimationOptionNode opt3 = rootNode.optionNodes[3];
Assert.AreEqual("iterations", opt3.optionName);
Assert.AreEqual(StyleASTNodeType.NumericLiteral, opt3.value.type);
AnimationOptionNode opt4 = rootNode.optionNodes[4];
Assert.AreEqual("duration", opt4.optionName);
Assert.AreEqual(StyleASTNodeType.NumericLiteral, opt4.value.type);
AnimationOptionNode opt5 = rootNode.optionNodes[5];
Assert.AreEqual("forwardStartDelay", opt5.optionName);
Assert.AreEqual(StyleASTNodeType.NumericLiteral, opt5.value.type);
AnimationOptionNode opt6 = rootNode.optionNodes[6];
Assert.AreEqual("reverseStartDelay", opt6.optionName);
Assert.AreEqual(StyleASTNodeType.NumericLiteral, opt6.value.type);
AnimationOptionNode opt7 = rootNode.optionNodes[7];
Assert.AreEqual("direction", opt7.optionName);
Assert.AreEqual(StyleASTNodeType.Identifier, opt7.value.type);
AnimationOptionNode opt8 = rootNode.optionNodes[8];
Assert.AreEqual("timingFunction", opt8.optionName);
Assert.AreEqual(StyleASTNodeType.Identifier, opt8.value.type);
}
