QCss::Scanner Class Reference

#include <qcssparser_p.h>

Static Public Functions
static QString	preprocess (const QString &input, bool *hasEscapeSequences=0)
static void	scan (const QString &preprocessedInput, QVector< Symbol > *symbols)

Detailed Description

Definition at line 742 of file qcssparser_p.h.

Functions

preprocess()

QString Scanner::preprocess ( const QString &  input, bool *  hasEscapeSequences = 0  )

static

Definition at line 2012 of file qcssparser.cpp.

Referenced by QCss::Parser::init().

{
    QString output = input;

    if (hasEscapeSequences)
        *hasEscapeSequences = false;

    int i = 0;
    while (i < output.size()) {
        if (output.at(i) == QLatin1Char('\\')) {

            ++i;
            // test for unicode hex escape
            int hexCount = 0;
            const int hexStart = i;
            while (i < output.size()
                   && isHexDigit(output.at(i).toLatin1())
                   && hexCount < 7) {
                ++hexCount;
                ++i;
            }
            if (hexCount == 0) {
                if (hasEscapeSequences)
                    *hasEscapeSequences = true;
                continue;
            }

            hexCount = qMin(hexCount, 6);
            bool ok = false;
            ushort code = output.mid(hexStart, hexCount).toUShort(&ok, 16);
            if (ok) {
                output.replace(hexStart - 1, hexCount + 1, QChar(code));
                i = hexStart;
            } else {
                i = hexStart;
            }
        } else {
            ++i;
        }
    }
    return output;
}

scan()

void Scanner::scan ( const QString &  preprocessedInput, QVector< Symbol > *  symbols  )

static

Definition at line 2068 of file qcssparser.cpp.

Referenced by QCss::Parser::init().

{
    QCssScanner_Generated scanner(preprocessedInput);
    Symbol sym;
    int tok = scanner.lex();
    while (tok != -1) {
        sym.token = static_cast<QCss::TokenType>(tok);
        sym.text = scanner.input;
        sym.start = scanner.lexemStart;
        sym.len = scanner.lexemLength;
        symbols->append(sym);
        tok = scanner.lex();
    }
}

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

• /src/gui/text/qcssparser_p.h
• /src/gui/text/qcssparser.cpp