зеркало из https://github.com/mozilla/gecko-dev.git
added child & sibling selectors
This commit is contained in:
peterl%netscape.com
Родитель
5ff2a9715a
Коммит
8e0f3b58c4
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@ -57,9 +57,10 @@ struct SelectorList {
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void Dump(void);
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#endif
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nsCSSSelector* mSelectors;
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SelectorList* mNext;
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nsAutoString mSourceString;
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nsCSSSelector* mSelectors;
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nsAutoString mSourceString;
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PRInt32 mWeight;
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SelectorList* mNext;
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};
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SelectorList::SelectorList(void)
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@ -340,12 +341,6 @@ CSSParserImpl::Parse(nsIUnicharInputStream* aInput,
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if (eCSSToken_AtKeyword == tk->mType) {
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ParseAtRule(errorCode);
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continue;
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} else if (eCSSToken_Symbol == tk->mType) {
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// Discard dangling semicolons. This is not part of the CSS1
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// forward compatible parsing spec, but it makes alot of sense.
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if (';' == tk->mSymbol) {
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continue;
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}
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}
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mInHead = PR_FALSE;
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UngetToken();
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@ -925,7 +920,6 @@ PRBool CSSParserImpl::ParseRuleSet(PRInt32& aErrorCode)
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SelectorList* list = slist;
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while (nsnull != list) {
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PRInt32 weight = list->mSelectors->CalcWeight();
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nsICSSStyleRule* rule = nsnull;
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NS_NewCSSStyleRule(&rule, *(list->mSelectors));
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if (nsnull != rule) {
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@ -935,7 +929,7 @@ PRBool CSSParserImpl::ParseRuleSet(PRInt32& aErrorCode)
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list->mSelectors->mNext = nsnull;
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}
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rule->SetDeclaration(declaration);
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rule->SetWeight(weight);
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rule->SetWeight(list->mWeight);
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rule->SetSourceSelectorText(list->mSourceString); // capture the original input (need this for namespace prefixes)
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// rule->List();
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mSheet->AppendStyleRule(rule);
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@ -1000,12 +994,15 @@ PRBool CSSParserImpl::ParseSelectorList(PRInt32& aErrorCode,
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static PRBool IsPseudoClass(const nsIAtom* aAtom)
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{
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return PRBool((nsCSSAtoms::activePseudo == aAtom) ||
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(nsCSSAtoms::disabledPseudo == aAtom) ||
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(nsCSSAtoms::enabledPseudo == aAtom) ||
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(nsCSSAtoms::firstChildPseudo == aAtom) ||
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(nsCSSAtoms::focusPseudo == aAtom) ||
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(nsCSSAtoms::hoverPseudo == aAtom) ||
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(nsCSSAtoms::langPseudo == aAtom) ||
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(nsCSSAtoms::linkPseudo == aAtom) ||
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(nsCSSAtoms::outOfDatePseudo == aAtom) ||
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(nsCSSAtoms::selectedPseudo == aAtom) ||
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(nsCSSAtoms::visitedPseudo == aAtom));
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}
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@ -1025,6 +1022,9 @@ PRBool CSSParserImpl::ParseSelectorGroup(PRInt32& aErrorCode,
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{
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nsAutoString sourceBuffer;
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SelectorList* list = nsnull;
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PRUnichar combinator = PRUnichar(0);
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PRInt32 weight = 0;
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PRBool havePseudoElement = PR_FALSE;
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for (;;) {
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nsCSSSelector selector;
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if (! ParseSelector(aErrorCode, selector, sourceBuffer)) {
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@ -1040,13 +1040,13 @@ PRBool CSSParserImpl::ParseSelectorGroup(PRInt32& aErrorCode,
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sourceBuffer.Append(PRUnichar(' '));
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list->AddSelector(selector);
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nsCSSSelector* listSel = list->mSelectors;
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// XXX parse combinator here
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// pull out pseudo elements here
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nsAtomList* prevList = nsnull;
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nsAtomList* pseudoClassList = listSel->mPseudoClassList;
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while (nsnull != pseudoClassList) {
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if (! IsPseudoClass(pseudoClassList->mAtom)) {
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havePseudoElement = PR_TRUE;
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if (IsSinglePseudoClass(*listSel)) { // convert to pseudo element selector
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nsIAtom* pseudoElement = pseudoClassList->mAtom; // steal ref count
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pseudoClassList->mAtom = nsnull;
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@ -1058,6 +1058,7 @@ PRBool CSSParserImpl::ParseSelectorGroup(PRInt32& aErrorCode,
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selector.mTag = pseudoClassList->mAtom; // steal ref count
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list->AddSelector(selector);
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pseudoClassList->mAtom = nsnull;
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listSel->mOperator = PRUnichar('>');
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if (nsnull == prevList) { // delete list entry
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listSel->mPseudoClassList = pseudoClassList->mNext;
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}
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@ -1066,17 +1067,46 @@ PRBool CSSParserImpl::ParseSelectorGroup(PRInt32& aErrorCode,
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}
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pseudoClassList->mNext = nsnull;
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delete pseudoClassList;
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weight += listSel->CalcWeight(); // capture weight from remainder
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}
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break; // only one pseudo element per selector
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}
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prevList = pseudoClassList;
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pseudoClassList = pseudoClassList->mNext;
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}
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combinator = PRUnichar(0);
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if (GetToken(aErrorCode, PR_TRUE)) {
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if ((eCSSToken_Symbol == mToken.mType) &&
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(('+' == mToken.mSymbol) || ('>' == mToken.mSymbol))) {
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combinator = mToken.mSymbol;
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list->mSelectors->SetOperator(combinator);
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sourceBuffer.Append(combinator);
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sourceBuffer.Append(PRUnichar(' '));
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}
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else {
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UngetToken(); // give it back to selector
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}
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}
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if (havePseudoElement) {
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break;
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}
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else {
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weight += selector.CalcWeight();
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}
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}
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if (PRUnichar(0) != combinator) { // no dangling combinators
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if (list) {
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delete list;
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}
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list = nsnull;
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}
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aList = list;
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if (nsnull != list) {
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sourceBuffer.Truncate(sourceBuffer.Length() - 1); // kill trailing space
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list->mSourceString = sourceBuffer;
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list->mWeight = weight;
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}
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return PRBool(nsnull != aList);
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}
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@ -3110,7 +3140,15 @@ PRBool CSSParserImpl::ParseFont(PRInt32& aErrorCode, nsICSSDeclaration* aDeclara
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aDeclaration->AppendValue(PROP_FONT_SIZE_ADJUST, family);
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}
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else {
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aDeclaration->AppendValue(PROP_FONT_FAMILY, family); // keyword value overrides everyhing else
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aDeclaration->AppendValue(PROP_FONT_FAMILY, family); // keyword value overrides everything else
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nsCSSValue empty;
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aDeclaration->AppendValue(PROP_FONT_STYLE, empty);
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aDeclaration->AppendValue(PROP_FONT_VARIANT, empty);
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aDeclaration->AppendValue(PROP_FONT_WEIGHT, empty);
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aDeclaration->AppendValue(PROP_FONT_SIZE, empty);
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aDeclaration->AppendValue(PROP_LINE_HEIGHT, empty);
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aDeclaration->AppendValue(PROP_FONT_STRETCH, empty);
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aDeclaration->AppendValue(PROP_FONT_SIZE_ADJUST, empty);
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}
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return PR_TRUE;
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}
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@ -57,9 +57,10 @@ struct SelectorList {
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void Dump(void);
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#endif
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nsCSSSelector* mSelectors;
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SelectorList* mNext;
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nsAutoString mSourceString;
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nsCSSSelector* mSelectors;
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nsAutoString mSourceString;
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PRInt32 mWeight;
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SelectorList* mNext;
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};
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SelectorList::SelectorList(void)
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@ -340,12 +341,6 @@ CSSParserImpl::Parse(nsIUnicharInputStream* aInput,
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if (eCSSToken_AtKeyword == tk->mType) {
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ParseAtRule(errorCode);
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continue;
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} else if (eCSSToken_Symbol == tk->mType) {
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// Discard dangling semicolons. This is not part of the CSS1
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// forward compatible parsing spec, but it makes alot of sense.
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if (';' == tk->mSymbol) {
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continue;
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}
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}
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mInHead = PR_FALSE;
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UngetToken();
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@ -925,7 +920,6 @@ PRBool CSSParserImpl::ParseRuleSet(PRInt32& aErrorCode)
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SelectorList* list = slist;
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while (nsnull != list) {
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PRInt32 weight = list->mSelectors->CalcWeight();
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nsICSSStyleRule* rule = nsnull;
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NS_NewCSSStyleRule(&rule, *(list->mSelectors));
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if (nsnull != rule) {
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@ -935,7 +929,7 @@ PRBool CSSParserImpl::ParseRuleSet(PRInt32& aErrorCode)
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list->mSelectors->mNext = nsnull;
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}
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rule->SetDeclaration(declaration);
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rule->SetWeight(weight);
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rule->SetWeight(list->mWeight);
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rule->SetSourceSelectorText(list->mSourceString); // capture the original input (need this for namespace prefixes)
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// rule->List();
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mSheet->AppendStyleRule(rule);
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@ -1000,12 +994,15 @@ PRBool CSSParserImpl::ParseSelectorList(PRInt32& aErrorCode,
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static PRBool IsPseudoClass(const nsIAtom* aAtom)
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{
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return PRBool((nsCSSAtoms::activePseudo == aAtom) ||
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(nsCSSAtoms::disabledPseudo == aAtom) ||
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(nsCSSAtoms::enabledPseudo == aAtom) ||
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(nsCSSAtoms::firstChildPseudo == aAtom) ||
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(nsCSSAtoms::focusPseudo == aAtom) ||
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(nsCSSAtoms::hoverPseudo == aAtom) ||
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(nsCSSAtoms::langPseudo == aAtom) ||
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(nsCSSAtoms::linkPseudo == aAtom) ||
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(nsCSSAtoms::outOfDatePseudo == aAtom) ||
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(nsCSSAtoms::selectedPseudo == aAtom) ||
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(nsCSSAtoms::visitedPseudo == aAtom));
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}
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@ -1025,6 +1022,9 @@ PRBool CSSParserImpl::ParseSelectorGroup(PRInt32& aErrorCode,
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{
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nsAutoString sourceBuffer;
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SelectorList* list = nsnull;
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PRUnichar combinator = PRUnichar(0);
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PRInt32 weight = 0;
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PRBool havePseudoElement = PR_FALSE;
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for (;;) {
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nsCSSSelector selector;
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if (! ParseSelector(aErrorCode, selector, sourceBuffer)) {
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@ -1040,13 +1040,13 @@ PRBool CSSParserImpl::ParseSelectorGroup(PRInt32& aErrorCode,
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sourceBuffer.Append(PRUnichar(' '));
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list->AddSelector(selector);
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nsCSSSelector* listSel = list->mSelectors;
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// XXX parse combinator here
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// pull out pseudo elements here
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nsAtomList* prevList = nsnull;
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nsAtomList* pseudoClassList = listSel->mPseudoClassList;
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while (nsnull != pseudoClassList) {
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if (! IsPseudoClass(pseudoClassList->mAtom)) {
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havePseudoElement = PR_TRUE;
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if (IsSinglePseudoClass(*listSel)) { // convert to pseudo element selector
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nsIAtom* pseudoElement = pseudoClassList->mAtom; // steal ref count
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pseudoClassList->mAtom = nsnull;
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@ -1058,6 +1058,7 @@ PRBool CSSParserImpl::ParseSelectorGroup(PRInt32& aErrorCode,
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selector.mTag = pseudoClassList->mAtom; // steal ref count
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list->AddSelector(selector);
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pseudoClassList->mAtom = nsnull;
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listSel->mOperator = PRUnichar('>');
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if (nsnull == prevList) { // delete list entry
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listSel->mPseudoClassList = pseudoClassList->mNext;
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}
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@ -1066,17 +1067,46 @@ PRBool CSSParserImpl::ParseSelectorGroup(PRInt32& aErrorCode,
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}
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pseudoClassList->mNext = nsnull;
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delete pseudoClassList;
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weight += listSel->CalcWeight(); // capture weight from remainder
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}
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break; // only one pseudo element per selector
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}
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prevList = pseudoClassList;
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pseudoClassList = pseudoClassList->mNext;
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}
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combinator = PRUnichar(0);
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if (GetToken(aErrorCode, PR_TRUE)) {
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if ((eCSSToken_Symbol == mToken.mType) &&
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(('+' == mToken.mSymbol) || ('>' == mToken.mSymbol))) {
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combinator = mToken.mSymbol;
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list->mSelectors->SetOperator(combinator);
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sourceBuffer.Append(combinator);
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sourceBuffer.Append(PRUnichar(' '));
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}
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else {
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UngetToken(); // give it back to selector
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}
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}
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if (havePseudoElement) {
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break;
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}
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else {
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weight += selector.CalcWeight();
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}
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}
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if (PRUnichar(0) != combinator) { // no dangling combinators
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if (list) {
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delete list;
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}
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list = nsnull;
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}
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aList = list;
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if (nsnull != list) {
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sourceBuffer.Truncate(sourceBuffer.Length() - 1); // kill trailing space
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list->mSourceString = sourceBuffer;
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list->mWeight = weight;
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}
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return PRBool(nsnull != aList);
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}
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@ -3110,7 +3140,15 @@ PRBool CSSParserImpl::ParseFont(PRInt32& aErrorCode, nsICSSDeclaration* aDeclara
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aDeclaration->AppendValue(PROP_FONT_SIZE_ADJUST, family);
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}
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else {
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aDeclaration->AppendValue(PROP_FONT_FAMILY, family); // keyword value overrides everyhing else
|
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aDeclaration->AppendValue(PROP_FONT_FAMILY, family); // keyword value overrides everything else
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nsCSSValue empty;
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aDeclaration->AppendValue(PROP_FONT_STYLE, empty);
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aDeclaration->AppendValue(PROP_FONT_VARIANT, empty);
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aDeclaration->AppendValue(PROP_FONT_WEIGHT, empty);
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aDeclaration->AppendValue(PROP_FONT_SIZE, empty);
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aDeclaration->AppendValue(PROP_LINE_HEIGHT, empty);
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aDeclaration->AppendValue(PROP_FONT_STRETCH, empty);
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aDeclaration->AppendValue(PROP_FONT_SIZE_ADJUST, empty);
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}
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return PR_TRUE;
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}
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@ -57,9 +57,10 @@ struct SelectorList {
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void Dump(void);
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#endif
|
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nsCSSSelector* mSelectors;
|
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SelectorList* mNext;
|
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nsAutoString mSourceString;
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nsCSSSelector* mSelectors;
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nsAutoString mSourceString;
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PRInt32 mWeight;
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SelectorList* mNext;
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};
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SelectorList::SelectorList(void)
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|
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@ -340,12 +341,6 @@ CSSParserImpl::Parse(nsIUnicharInputStream* aInput,
|
|||
if (eCSSToken_AtKeyword == tk->mType) {
|
||||
ParseAtRule(errorCode);
|
||||
continue;
|
||||
} else if (eCSSToken_Symbol == tk->mType) {
|
||||
// Discard dangling semicolons. This is not part of the CSS1
|
||||
// forward compatible parsing spec, but it makes alot of sense.
|
||||
if (';' == tk->mSymbol) {
|
||||
continue;
|
||||
}
|
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}
|
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mInHead = PR_FALSE;
|
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UngetToken();
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|
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@ -925,7 +920,6 @@ PRBool CSSParserImpl::ParseRuleSet(PRInt32& aErrorCode)
|
|||
SelectorList* list = slist;
|
||||
|
||||
while (nsnull != list) {
|
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PRInt32 weight = list->mSelectors->CalcWeight();
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nsICSSStyleRule* rule = nsnull;
|
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NS_NewCSSStyleRule(&rule, *(list->mSelectors));
|
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if (nsnull != rule) {
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|
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@ -935,7 +929,7 @@ PRBool CSSParserImpl::ParseRuleSet(PRInt32& aErrorCode)
|
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list->mSelectors->mNext = nsnull;
|
||||
}
|
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rule->SetDeclaration(declaration);
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rule->SetWeight(weight);
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rule->SetWeight(list->mWeight);
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rule->SetSourceSelectorText(list->mSourceString); // capture the original input (need this for namespace prefixes)
|
||||
// rule->List();
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||||
mSheet->AppendStyleRule(rule);
|
||||
|
|
@ -1000,12 +994,15 @@ PRBool CSSParserImpl::ParseSelectorList(PRInt32& aErrorCode,
|
|||
static PRBool IsPseudoClass(const nsIAtom* aAtom)
|
||||
{
|
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return PRBool((nsCSSAtoms::activePseudo == aAtom) ||
|
||||
(nsCSSAtoms::disabledPseudo == aAtom) ||
|
||||
(nsCSSAtoms::enabledPseudo == aAtom) ||
|
||||
(nsCSSAtoms::firstChildPseudo == aAtom) ||
|
||||
(nsCSSAtoms::focusPseudo == aAtom) ||
|
||||
(nsCSSAtoms::hoverPseudo == aAtom) ||
|
||||
(nsCSSAtoms::langPseudo == aAtom) ||
|
||||
(nsCSSAtoms::linkPseudo == aAtom) ||
|
||||
(nsCSSAtoms::outOfDatePseudo == aAtom) ||
|
||||
(nsCSSAtoms::selectedPseudo == aAtom) ||
|
||||
(nsCSSAtoms::visitedPseudo == aAtom));
|
||||
}
|
||||
|
||||
|
|
@ -1025,6 +1022,9 @@ PRBool CSSParserImpl::ParseSelectorGroup(PRInt32& aErrorCode,
|
|||
{
|
||||
nsAutoString sourceBuffer;
|
||||
SelectorList* list = nsnull;
|
||||
PRUnichar combinator = PRUnichar(0);
|
||||
PRInt32 weight = 0;
|
||||
PRBool havePseudoElement = PR_FALSE;
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for (;;) {
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nsCSSSelector selector;
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||||
if (! ParseSelector(aErrorCode, selector, sourceBuffer)) {
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|
|
@ -1040,13 +1040,13 @@ PRBool CSSParserImpl::ParseSelectorGroup(PRInt32& aErrorCode,
|
|||
sourceBuffer.Append(PRUnichar(' '));
|
||||
list->AddSelector(selector);
|
||||
nsCSSSelector* listSel = list->mSelectors;
|
||||
// XXX parse combinator here
|
||||
|
||||
// pull out pseudo elements here
|
||||
nsAtomList* prevList = nsnull;
|
||||
nsAtomList* pseudoClassList = listSel->mPseudoClassList;
|
||||
while (nsnull != pseudoClassList) {
|
||||
if (! IsPseudoClass(pseudoClassList->mAtom)) {
|
||||
havePseudoElement = PR_TRUE;
|
||||
if (IsSinglePseudoClass(*listSel)) { // convert to pseudo element selector
|
||||
nsIAtom* pseudoElement = pseudoClassList->mAtom; // steal ref count
|
||||
pseudoClassList->mAtom = nsnull;
|
||||
|
|
@ -1058,6 +1058,7 @@ PRBool CSSParserImpl::ParseSelectorGroup(PRInt32& aErrorCode,
|
|||
selector.mTag = pseudoClassList->mAtom; // steal ref count
|
||||
list->AddSelector(selector);
|
||||
pseudoClassList->mAtom = nsnull;
|
||||
listSel->mOperator = PRUnichar('>');
|
||||
if (nsnull == prevList) { // delete list entry
|
||||
listSel->mPseudoClassList = pseudoClassList->mNext;
|
||||
}
|
||||
|
|
@ -1066,17 +1067,46 @@ PRBool CSSParserImpl::ParseSelectorGroup(PRInt32& aErrorCode,
|
|||
}
|
||||
pseudoClassList->mNext = nsnull;
|
||||
delete pseudoClassList;
|
||||
weight += listSel->CalcWeight(); // capture weight from remainder
|
||||
}
|
||||
break; // only one pseudo element per selector
|
||||
}
|
||||
prevList = pseudoClassList;
|
||||
pseudoClassList = pseudoClassList->mNext;
|
||||
}
|
||||
|
||||
combinator = PRUnichar(0);
|
||||
if (GetToken(aErrorCode, PR_TRUE)) {
|
||||
if ((eCSSToken_Symbol == mToken.mType) &&
|
||||
(('+' == mToken.mSymbol) || ('>' == mToken.mSymbol))) {
|
||||
combinator = mToken.mSymbol;
|
||||
list->mSelectors->SetOperator(combinator);
|
||||
sourceBuffer.Append(combinator);
|
||||
sourceBuffer.Append(PRUnichar(' '));
|
||||
}
|
||||
else {
|
||||
UngetToken(); // give it back to selector
|
||||
}
|
||||
}
|
||||
|
||||
if (havePseudoElement) {
|
||||
break;
|
||||
}
|
||||
else {
|
||||
weight += selector.CalcWeight();
|
||||
}
|
||||
}
|
||||
if (PRUnichar(0) != combinator) { // no dangling combinators
|
||||
if (list) {
|
||||
delete list;
|
||||
}
|
||||
list = nsnull;
|
||||
}
|
||||
aList = list;
|
||||
if (nsnull != list) {
|
||||
sourceBuffer.Truncate(sourceBuffer.Length() - 1); // kill trailing space
|
||||
list->mSourceString = sourceBuffer;
|
||||
list->mWeight = weight;
|
||||
}
|
||||
return PRBool(nsnull != aList);
|
||||
}
|
||||
|
|
@ -3110,7 +3140,15 @@ PRBool CSSParserImpl::ParseFont(PRInt32& aErrorCode, nsICSSDeclaration* aDeclara
|
|||
aDeclaration->AppendValue(PROP_FONT_SIZE_ADJUST, family);
|
||||
}
|
||||
else {
|
||||
aDeclaration->AppendValue(PROP_FONT_FAMILY, family); // keyword value overrides everyhing else
|
||||
aDeclaration->AppendValue(PROP_FONT_FAMILY, family); // keyword value overrides everything else
|
||||
nsCSSValue empty;
|
||||
aDeclaration->AppendValue(PROP_FONT_STYLE, empty);
|
||||
aDeclaration->AppendValue(PROP_FONT_VARIANT, empty);
|
||||
aDeclaration->AppendValue(PROP_FONT_WEIGHT, empty);
|
||||
aDeclaration->AppendValue(PROP_FONT_SIZE, empty);
|
||||
aDeclaration->AppendValue(PROP_LINE_HEIGHT, empty);
|
||||
aDeclaration->AppendValue(PROP_FONT_STRETCH, empty);
|
||||
aDeclaration->AppendValue(PROP_FONT_SIZE_ADJUST, empty);
|
||||
}
|
||||
return PR_TRUE;
|
||||
}
|
||||
|
|
|
|||
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