public override void OnValueReady(CssLexer lexer)
{
int length = Count;
if (length == 0)
{
return;
}
bool mapAll = true;
// If any of the parameters are decimals or are just 0 and 1, remap them to INTS.
for (int i = 0; i < length; i++)
{
// Get the decimal value [either a percentage or a 0-1 value]:
DecimalUnit dec = this[i] as DecimalUnit;
if (dec == null)
{
continue;
}
if (dec.RawValue > 1f)
{
// No remapping required.
mapAll = false;
break;
}
}
// Re-map the parameters now:
for (int i = 0; i < length; i++)
{
// Get the decimal value:
DecimalUnit dec = this[i] as DecimalUnit;
if (dec == null)
{
continue;
}
if (i == 3 || dec.RawValue < 1f || mapAll)
{
}
else
{
dec.RawValue /= 255f;
}
}
}
public Css.Value this[string property] {
get{
Css.Value value;
Features.TryGetValue(property, out value);
return(value);
}
set{
DecimalUnit du = (value as DecimalUnit);
if (du != null)
{
// Numeric - if it's zero, act as null:
if (du.RawValue == 0f)
{
value = null;
du = null;
if (!Features.ContainsKey(property))
{
// Don't add it.
return;
}
}
}
// Apply the value:
Features[property] = value;
// Min/max too?
if (value != null)
{
if (du != null)
{
// Numeric - it can therefore have min/max as well:
Features["min-" + property] = value;
Features["max-" + property] = value;
}
}
if (Document != null)
{
// Run the change now:
Changed();
}
}
}
/// <summary>Reads a single value from the stream.</summary>
public Css.Value ReadSingleValue()
{
Css.Value result = null;
// Skip whitespaces.
SkipJunk();
char current = Peek();
if (SelectorMode && current == '.')
{
Read();
// Class selector.
return(new TextUnit("."));
}
int charCode = (int)current;
CssUnitHandlers set;
if (CssUnits.AllStart.TryGetValue(current, out set))
{
// Match on the pretext:
result = set.Handle(this, false);
if (result != null)
{
// Read the value:
result = result.ReadStartValue(this);
if (result == null)
{
return(null);
}
// Call ready:
result.OnValueReady(this);
// Ok!
return(result);
}
}
// Number:
int numberStart = Position;
while (charCode == (int)'-' || charCode == '+' || (charCode >= (int)'0' && charCode <= (int)'9') || charCode == (int)'.')
{
if (numberStart == Position)
{
// Special case if it's just +, . or -
// Prefixed keywords fall through here too.
if (charCode == (int)'.')
{
// Must be 0-9 next:
int next = (int)Peek(1);
if (next < (int)'0' || next > (int)'9')
{
// Non-numeric.
break;
}
}
else if (charCode == (int)'+' || charCode == (int)'-')
{
// Peek the next char. It must be either . or 0-9:
int next = (int)Peek(1);
if (next != (int)'.' && (next < (int)'0' || next > (int)'9'))
{
// Non-numeric.
break;
}
}
}
// Read off:
Read();
// Go to the next one:
current = Peek();
// Get the code:
charCode = (int)current;
}
if (numberStart != Position)
{
// Read a number of some kind. Now look for the units, if there are any.
string num = Input.Substring(numberStart, Position - numberStart);
if (CssUnits.AllEnd.TryGetValue(current, out set) && !SelectorMode)
{
// Units handler is likely!
result = set.Handle(this, true);
if (result != null)
{
// Return the result:
result = result.Copy();
// Apply the number:
float flt;
float.TryParse(num, out flt);
// Set:
result.SetRawDecimal(flt);
// Call ready:
result.OnValueReady(this);
return(result);
}
}
else
{
// Apply the number:
float nFlt;
float.TryParse(num, out nFlt);
// Create:
result = new DecimalUnit();
// Set:
result.SetRawDecimal(nFlt);
// Call ready:
result.OnValueReady(this);
return(result);
}
}
if (charCode == '\\')
{
string characters = "";
while (true)
{
// Special case here; we have one or more unicode escaped characters.
Read();
current = Peek();
charCode = (int)current;
int res = 0;
for (int i = 0; i < 6; i++)
{
if (charCode >= (int)'0' && charCode <= (int)'9')
{
Read();
// Apply to charcode:
res = (res << 4) | (charCode - (int)'0');
// Move on:
current = Peek();
charCode = (int)current;
}
else if (charCode >= (int)'a' && charCode <= (int)'f')
{
Read();
// Apply to charcode:
res = (res << 4) | (charCode + 10 - (int)'a');
// Move on:
current = Peek();
charCode = (int)current;
}
else
{
// No longer valid unicode.
break;
}
}
characters += char.ConvertFromUtf32(res);
if (charCode != '\\')
{
// Go again otherwise!
break;
}
}
return(new TextUnit(characters));
}
// E.g. textual keyword or function comes down here.
// If we spot a (, call ReadValue() to get the parameter set.
int textStart = Position;
while (charCode != 0 && (charCode > 128 || charCode == 45 || charCode == 40 || (95 <= charCode && charCode <= 122) ||
(65 <= charCode && charCode <= 90) || (48 <= charCode && charCode <= 57))
)
{
if (current == '(')
{
// Got a function name (if there is one).
string name = Input.Substring(textStart, Position - textStart);
result = ReadFunction(name);
return(result);
}
Read();
current = Peek();
charCode = (int)current;
}
if (textStart == Position && charCode != 0)
{
// The only thing we've read is a delimiter.
if (current == '\r' || current == '\n' || current == ')' || current == ' ' ||
current == '}' || current == '{' || current == ';' || current == ','
)
{
// Handled elsewhere. Ignore these.
// They all terminate upper level value readers (or are junk!).
}
else
{
// Add the single character into the buffer.
Read();
if (current == '$' || current == '*' || current == '^' || current == '~' || current == '|')
{
// Followed by equals?
if (Peek() == '=')
{
// Yep - include that in this same unit.
Read();
return(new TextUnit(current + "="));
}
}
else if (current == '>')
{
// Followed by another?
if (Peek() == '>')
{
// Yep - include that in this same unit.
Read();
return(new TextUnit(">>"));
}
}
return(new TextUnit(current.ToString()));
}
}
// Text or keyword.
string text = Input.Substring(textStart, Position - textStart);
// Must not match keywords/ colours when in selector mode
// (because keywords are always lowercase and colours act like *):
if (SelectorMode)
{
// Just text:
return(new TextUnit(text));
}
// Keyword tests.
string keyword = text.ToLower();
// Colour?
bool wasColour;
UnityEngine.Color32 col = Css.ColourMap.GetColourByName(keyword, out wasColour);
if (wasColour)
{
// It's a colour:
ColourUnit cResult = new ColourUnit(col);
// Call ready:
cResult.OnValueReady(this);
return(cResult);
}
// Global keyword?
result = CssKeywords.Get(keyword);
if (result != null)
{
// Keyword! Can't share the global instance because of specifity.
return(result.Copy());
}
// Just treat as some text otherwise:
return(new TextUnit(text));
}
