internal nsresult ParseProperty(nsCSSProperty aPropID,
string aPropValue,
Uri aSheetURI,
Uri aBaseURI,
nsIPrincipal aSheetPrincipal,
Declaration aDeclaration,
ref bool aChanged,
bool aIsImportant,
bool aIsSVGMode)
{
if (aSheetPrincipal == null) throw new ArgumentException("Must have principal here!");
if (aBaseURI == null) throw new ArgumentException("need base URI");
if (aDeclaration == null) throw new ArgumentException("Need declaration to parse into!");
mData.AssertInitialState();
mTempData.AssertInitialState();
aDeclaration.AssertMutable();
var scanner = new nsCSSScanner(aPropValue, 0);
var reporter = new ErrorReporter(scanner, mSheet, mChildLoader, aSheetURI);
InitScanner(scanner, reporter, aSheetURI, aBaseURI, aSheetPrincipal);
mSection = nsCSSSection.General;
scanner.SetSVGMode(aIsSVGMode);
aChanged = false;
// Check for unknown or preffed off properties
if (nsCSSProperty.Unknown == aPropID || !nsCSSProps.IsEnabled(aPropID)) {
string propName = nsCSSProps.GetStringValue(aPropID);
{ if (!mSuppressErrors) mReporter.ReportUnexpected("PEUnknownProperty", propName); };
{ if (!mSuppressErrors) mReporter.ReportUnexpected("PEDeclDropped"); };
mReporter.OutputError();
ReleaseScanner();
return nsresult.OK;
}
bool parsedOK = ParseProperty(aPropID);
// We should now be at EOF
if (parsedOK && GetToken(true)) {
{ if (!mSuppressErrors) mReporter.ReportUnexpected("PEExpectEndValue", mToken); };
parsedOK = false;
}
if (!parsedOK) {
string propName = nsCSSProps.GetStringValue(aPropID);
{ if (!mSuppressErrors) mReporter.ReportUnexpected("PEValueParsingError", propName); };
{ if (!mSuppressErrors) mReporter.ReportUnexpected("PEDeclDropped"); };
mReporter.OutputError();
mTempData.ClearProperty(aPropID);
} else {
// We know we don't need to force a ValueAppended call for the new
// value. So if we are not processing a shorthand, and there's
// already a value for this property in the declaration at the
// same importance level, then we can just copy our parsed value
// directly into the declaration without going through the whole
// expand/compress thing.
if (!aDeclaration.TryReplaceValue(aPropID, aIsImportant, mTempData, ref aChanged)) {
// Do it the slow way
aDeclaration.ExpandTo(mData);
aChanged = mData.TransferFromBlock(mTempData, aPropID, aIsImportant,
true, false, aDeclaration);
aDeclaration.CompressFrom(mData);
}
mReporter.ClearError();
}
mTempData.AssertInitialState();
ReleaseScanner();
return nsresult.OK;
}
