St_geom_Maker/StGeomHighlighter.cxx

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#include <QtCore/QString>

#include "StGeomHighlighter.h"

StGeomHighlighter::StGeomHighlighter(QTextDocument *parent)
    : QSyntaxHighlighter(parent)
{
    HighlightingRule rule;

    keywordFormat.setForeground(Qt::darkBlue);
    keywordFormat.setFontWeight(QFont::Bold);
    QStringList keywordPatterns=QString(Keywords()).split(" ");
    for (int i = 0; i < keywordPatterns.size(); ++i) {
       keywordPatterns[i] = QString("\\b%1\\b").arg(keywordPatterns[i]);
    }
    foreach (QString pattern, keywordPatterns) {
        rule.pattern = QRegExp(pattern,Qt::CaseInsensitive);
        rule.format = keywordFormat;
        highlightingRules.append(rule);
    }

    classFormat.setFontWeight(QFont::Bold);
    classFormat.setForeground(Qt::darkMagenta);
    rule.pattern = QRegExp("\\bQ[A-Za-z]+\\b");
    rule.format = classFormat;
    highlightingRules.append(rule);

    singleLineCommentFormat.setForeground(Qt::red);
    rule.pattern = QRegExp("^[\\*Cc!]+.*$");
    rule.format = singleLineCommentFormat;
    highlightingRules.append(rule);

    multiLineCommentFormat.setForeground(Qt::red);

    quotationFormat.setForeground(Qt::darkGreen);
    rule.pattern = QRegExp("\".*\"");
    rule.format = quotationFormat;
    highlightingRules.append(rule);

    functionFormat.setFontItalic(true);
    functionFormat.setForeground(Qt::blue);
    rule.pattern = QRegExp("\\b[A-Za-z0-9_]+(?=\\()");
    rule.format = functionFormat;
    highlightingRules.append(rule);

    commentStartExpression = QRegExp("/\\*");
    commentEndExpression = QRegExp("\\*/");
}

void StGeomHighlighter::highlightBlock(const QString &text)
{
    foreach (HighlightingRule rule, highlightingRules) {
        QRegExp expression(rule.pattern);
        int index = text.indexOf(expression);
        while (index >= 0) {
            int length = expression.matchedLength();
            setFormat(index, length, rule.format);
            index = text.indexOf(expression, index + length);
        }
    }
    setCurrentBlockState(0);

    int startIndex = 0;
    if (previousBlockState() != 1)
        startIndex = text.indexOf(commentStartExpression);

    while (startIndex >= 0) {
        int endIndex = text.indexOf(commentEndExpression, startIndex);
        int commentLength;
        if (endIndex == -1) {
            setCurrentBlockState(1);
            commentLength = text.length() - startIndex;
        } else {
            commentLength = endIndex - startIndex
                            + commentEndExpression.matchedLength();
        }
        setFormat(startIndex, commentLength, multiLineCommentFormat);
        startIndex = text.indexOf(commentStartExpression,
                                                startIndex + commentLength);
    }
}

// Returns the set of keywords.
const char *StGeomHighlighter::Keywords()
{
        return
            "access action advance allocatable allocate apostrophe assign "
            "assignment associate asynchronous backspace bind blank blockdata "
            "call case character class close common complex contains continue "
            "cycle data deallocate decimal delim default dimension direct do "
            "dowhile double doubleprecision else elseif elsewhere encoding "
            "end endassociate endblockdata enddo endfile endforall "
            "endfunction endif endinterface endmodule endprogram endselect "
            "endsubroutine endtype endwhere entry eor equivalence err errmsg "
            "exist exit external file flush fmt forall form format formatted "
            "function go goto id if implicit in include inout integer inquire "
            "intent interface intrinsic iomsg iolength iostat kind len "
            "logical module name named namelist nextrec nml none nullify "
            "number only open opened operator optional out pad parameter pass "
            "pause pending pointer pos position precision print private "
            "program protected public quote read readwrite real rec recl "
            "recursive result return rewind save select selectcase selecttype "
            "sequential sign size stat status stop stream subroutine target "
            "then to type unformatted unit use value volatile wait where "
            "while write "
            "Block Component Content Create Fill endFill Material Medium Mixture Attribute "
            "Module Shape Structure EndBlock and or not";
}

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