public StructExpression(params Object[] symbols) : base(symbols)
{
TextPart namePart = this.ConstituentSymbols[1] as TextPart;
this.Name = namePart.TextValue;
}
public ConstantExpression(params Object[] inputSymbols) : base(inputSymbols)
{
// Get data
IEnumerable <Symbol> symbols = this.ConstituentSymbols;
// Get type part
TextPart typePart = symbols.ElementAt(0) as TextPart;
string type = typePart.ToString();
// Init type
foreach (string s in _allType)
{
if (type.StartsWith(s))
{
this.Type = s;
break;
}
}
if (string.IsNullOrEmpty(this.Type))
{
throw new ArgumentException("Invalid type");
}
// Init dimension
this.Dimension = new int[] { 1, 1 };
string dimension = type.Replace(this.Type, "");
if (!string.IsNullOrEmpty(dimension))
{
if (dimension.Contains('x'))
{
string[] value = dimension.Split('x');
this.Dimension[0] = int.Parse(value[0], CultureInfo.InvariantCulture);
this.Dimension[1] = int.Parse(value[1], CultureInfo.InvariantCulture);
}
else
{
this.Dimension[0] = int.Parse(dimension, CultureInfo.InvariantCulture);
}
}
// Get name part
TextPart namePart = symbols.ElementAt(1) as TextPart;
string name = namePart.ToString();
// Init name and array
if (name.Contains('[') && name.Contains(']'))
{
// Extract data
string[] value = name.Split(new char[] { '[', ']' });
// Set data
this.Name = value[0];
this.ArraySize = int.Parse(value[1], CultureInfo.InvariantCulture);
}
else
{
// Set data
this.Name = name;
this.ArraySize = 0;
}
// Set value
this.Value = string.Empty;
}
public SamplerExpression(params Object[] inputSymbols) : base(inputSymbols)
{
// Set default data
this.Resource = string.Empty;
this.Filter = "Linear";
this.AddressU = "Clamp";
this.AddressV = "Clamp";
this.AddressV = "Clamp";
// Get data
IEnumerable <Symbol> symbols = this.ConstituentSymbols;
// Get type part
TextPart typePart = symbols.ElementAt(0) as TextPart;
string type = typePart.ToString();
// Init type
foreach (string s in _allType)
{
if (type.StartsWith(s))
{
this.Type = s;
break;
}
}
if (string.IsNullOrEmpty(this.Type))
{
throw new ArgumentException("Invalid sampler type \"" + type + "\"");
}
// Get name part
TextPart namePart = symbols.ElementAt(1) as TextPart;
this.Name = namePart.ToString();
// Get members
IEnumerable <Symbol> memberExpr = symbols.Where(s => s is TextPart);
if (memberExpr != null && memberExpr.Count() > 1)
{
int count = memberExpr.Count();
for (int i = 0; i < count; i += 2)
{
TextPart key = memberExpr.ElementAt(i) as TextPart;
TextPart value = memberExpr.ElementAt(i + 1) as TextPart;
if (!(key != null && value != null))
{
throw new ArgumentException("Invalid get sampler member");
}
if (key.TextValue == "Texture")
{
this.Resource = value.TextValue;
}
else if (key.TextValue == "Filter")
{
this.Filter = value.TextValue;
}
else if (key.TextValue == "AddressU")
{
this.AddressU = value.TextValue;
}
else if (key.TextValue == "AddressV")
{
this.AddressV = value.TextValue;
}
else if (key.TextValue == "AddressW")
{
this.AddressW = value.TextValue;
}
}
}
else
{
throw new ArgumentException("Invalid sampler members");
}
}