SvgCssHelper::Private Class Reference

Public Member Functions
CssSelectorBase *	compileSelector (const QString &selector)
SelectorGroup	parsePattern (const QString &pattern)
QList< CssToken >	tokenize (const QString &selector)
	~Private ()

Public Attributes
QList< CssRule >	cssRules
QMap< QString, QString >	cssStyles

Detailed Description

Definition at line 487 of file SvgCssHelper.cpp.

Constructor & Destructor Documentation

~Private()

SvgCssHelper::Private::~Private ( )

inline

Definition at line 490 of file SvgCssHelper.cpp.

    {
        Q_FOREACH (const CssRule &rule, cssRules) {
            qDeleteAll(rule.first);
        }
    }

References cssRules.

Member Function Documentation

compileSelector()

CssSelectorBase * SvgCssHelper::Private::compileSelector ( const QString & selector )

inline

Definition at line 579 of file SvgCssHelper.cpp.

    {
        QList<CssToken> tokenList = tokenize(selector);
        if (tokenList.isEmpty())
            return 0;
 
        if (tokenList.count() == 1) {
            // simple selector
            return new CssSimpleSelector(tokenList.first().second);
        } else if (tokenList.count() > 2) {
            // complex selector
            return new CssComplexSelector(tokenList);
        }
        return 0;
    }

References tokenize().

parsePattern()

SelectorGroup SvgCssHelper::Private::parsePattern ( const QString & pattern )

inline

Definition at line 497 of file SvgCssHelper.cpp.

    {
        SelectorGroup group;
 
        QStringList selectors = pattern.split(',', Qt::SkipEmptyParts);
        for (int i = 0; i < selectors.count(); ++i ) {
            CssSelectorBase * selector = compileSelector(selectors[i].simplified());
            if (selector)
                group.append(selector);
        }
        return group;
    }

References compileSelector().

tokenize()

QList< CssToken > SvgCssHelper::Private::tokenize ( const QString & selector )

inline

Definition at line 510 of file SvgCssHelper.cpp.

    {
        // add terminator to string
        QString expr = selector + QChar();
        enum {
            Finish,
            Bad,
            InCombinator,
            InSelector
        } state;
 
        QChar combinator;
        int selectorStart = 0;
 
        QList<CssToken> tokenList;
 
        QChar ch = expr[0];
        if (ch.isSpace() || ch == '>' || ch == '+') {
            debugFlake << "selector starting with combinator is not allowed:" << selector;
            return tokenList;
        } else {
            state = InSelector;
            selectorStart = 0;
        }
        int i = 1;
 
        // split into simple selectors and combinators
        while((state != Finish) && (state != Bad) && (i < expr.length())) {
            QChar ch = expr[i];
            switch(state) {
                case InCombinator:
                    // consume as long as there a combinator characters
                    if( ch == '>' || ch == '+') {
                        if( ! combinator.isSpace() ) {
                            // two non whitespace combinators in sequence are not allowed
                            state = Bad;
                        } else {
                            // switch combinator
                            combinator = ch;
                        }
                    } else if (!ch.isSpace()) {
                        tokenList.append(CssToken(CombinatorToken, combinator));
                        state = InSelector;
                        selectorStart = i;
                        combinator = QChar();
                    }
                    break;
                case InSelector:
                    // consume as long as there a non combinator characters
                    if (ch.isSpace() || ch == '>' || ch == '+') {
                        state = InCombinator;
                        combinator = ch;
                    } else if (ch.isNull()) {
                        state = Finish;
                    }
                    if (state != InSelector) {
                        QString simpleSelector = selector.mid(selectorStart, i-selectorStart);
                        tokenList.append(CssToken(SelectorToken, simpleSelector));
                    }
                    break;
                default:
                    break;
            }
            i++;
        }
 
        return tokenList;
    }

References CombinatorToken, debugFlake, and SelectorToken.

Member Data Documentation

cssRules

QList<CssRule> SvgCssHelper::Private::cssRules

Definition at line 596 of file SvgCssHelper.cpp.

cssStyles

QMap<QString, QString> SvgCssHelper::Private::cssStyles

Definition at line 595 of file SvgCssHelper.cpp.

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The documentation for this class was generated from the following file:

• libs/flake/svg/SvgCssHelper.cpp