public SplitSheetData Split(StyleSheet s1, StyleSheet s2, UssComments s1SrcComments = null, UssComments s2SrcComments = null)
{
s1Cache = new StyleSheetCache(s1);
s1Comments = s1SrcComments ?? new UssComments();
s2Cache = new StyleSheetCache(s2);
s2Comments = s2SrcComments ?? new UssComments();
s1Builder = new StyleSheetBuilderHelper();
s2Builder = new StyleSheetBuilderHelper();
commonBuilder = new StyleSheetBuilderHelper();
var allSelectors = new HashSet <string>(s1Cache.selectors.Keys);
allSelectors.UnionWith(s2Cache.selectors.Keys);
foreach (var selectorStr in allSelectors)
{
StyleComplexSelector complexSelector1;
s1Cache.selectors.TryGetValue(selectorStr, out complexSelector1);
StyleComplexSelector complexSelector2;
s2Cache.selectors.TryGetValue(selectorStr, out complexSelector2);
if (complexSelector1 != null)
{
if (complexSelector2 != null)
{
// Common rules, write common properties
Split(complexSelector1, complexSelector2);
}
else
{
// Rules only existing in S1: copy it straight
StyleSheetBuilderHelper.CopySelector(s1, s1Comments, complexSelector1, s1Builder);
}
}
else
{
// Rules only existing in S2: copy it straight
StyleSheetBuilderHelper.CopySelector(s2, s2Comments, complexSelector2, s2Builder);
}
}
commonBuilder.PopulateSheet();
s1Builder.PopulateSheet();
s2Builder.PopulateSheet();
var result = new SplitSheetData {
common = commonBuilder.sheet, s1 = s1Builder.sheet, s2 = s2Builder.sheet
};
return(result);
}
