PRBool
nsAttrValue::ParseColor(const nsAString& aString, nsIDocument* aDocument)
{
nsAutoString colorStr(aString);
colorStr.CompressWhitespace(PR_TRUE, PR_TRUE);
if (colorStr.IsEmpty()) {
Reset();
return PR_FALSE;
}
nscolor color;
// No color names begin with a '#', but numerical colors do so
// it is a very common first char
if ((colorStr.CharAt(0) != '#') && NS_ColorNameToRGB(colorStr, &color)) {
SetTo(colorStr);
return PR_TRUE;
}
// Check if we are in compatibility mode
if (aDocument->GetCompatibilityMode() == eCompatibility_NavQuirks) {
NS_LooseHexToRGB(colorStr, &color);
}
else {
if (colorStr.First() != '#') {
Reset();
return PR_FALSE;
}
colorStr.Cut(0, 1);
if (!NS_HexToRGB(colorStr, &color)) {
Reset();
return PR_FALSE;
}
}
PRInt32 colAsInt = static_cast<PRInt32>(color);
PRInt32 tmp = colAsInt * NS_ATTRVALUE_INTEGERTYPE_MULTIPLIER;
if (tmp / NS_ATTRVALUE_INTEGERTYPE_MULTIPLIER == colAsInt) {
ResetIfSet();
SetIntValueAndType(colAsInt, eColor);
}
else if (EnsureEmptyMiscContainer()) {
MiscContainer* cont = GetMiscContainer();
cont->mColor = color;
cont->mType = eColor;
}
return PR_TRUE;
}
PRBool
nsAttrValue::ParseColor(const nsAString& aString)
{
ResetIfSet();
// FIXME (partially, at least): HTML5's algorithm says we shouldn't do
// the whitespace compression, trimming, or the test for emptiness.
// (I'm a little skeptical that we shouldn't do the whitespace
// trimming; WebKit also does it.)
nsAutoString colorStr(aString);
colorStr.CompressWhitespace(PR_TRUE, PR_TRUE);
if (colorStr.IsEmpty()) {
return PR_FALSE;
}
nscolor color;
// No color names begin with a '#'; in standards mode, all acceptable
// numeric colors do.
if (colorStr.First() == '#') {
nsDependentString withoutHash(colorStr.get() + 1, colorStr.Length() - 1);
if (NS_HexToRGB(withoutHash, &color)) {
SetColorValue(color, aString);
return PR_TRUE;
}
} else {
if (NS_ColorNameToRGB(colorStr, &color)) {
SetColorValue(color, aString);
return PR_TRUE;
}
}
// FIXME (maybe): HTML5 says we should handle system colors. This
// means we probably need another storage type, since we'd need to
// handle dynamic changes. However, I think this is a bad idea:
// http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2010-May/026449.html
// Use NS_LooseHexToRGB as a fallback if nothing above worked.
if (NS_LooseHexToRGB(colorStr, &color)) {
SetColorValue(color, aString);
return PR_TRUE;
}
return PR_FALSE;
}
