qt-creator/src/plugins/cpptools/projectpart.cpp

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** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
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#include "projectpart.h"

#include <QFile>
#include <QDir>
#include <QTextStream>

namespace CppTools {

void ProjectPart::updateLanguageFeatures()
{
    const bool hasQt = qtVersion != NoQt;
    languageFeatures.cxx11Enabled = languageVersion >= CXX11;
    languageFeatures.cxxEnabled = languageVersion >= CXX98;
    languageFeatures.c99Enabled = languageVersion >= C99;
    languageFeatures.objCEnabled = languageExtensions.testFlag(ObjectiveCExtensions);
    languageFeatures.qtEnabled = hasQt;
    languageFeatures.qtMocRunEnabled = hasQt;
    if (!hasQt) {
        languageFeatures.qtKeywordsEnabled = false;
    } else {
        const QByteArray noKeywordsMacro = "#define QT_NO_KEYWORDS";
        const int noKeywordsIndex = projectDefines.indexOf(noKeywordsMacro);
        if (noKeywordsIndex == -1) {
            languageFeatures.qtKeywordsEnabled = true;
        } else {
            const char nextChar = projectDefines.at(noKeywordsIndex + noKeywordsMacro.length());
            // Detect "#define QT_NO_KEYWORDS" and "#define QT_NO_KEYWORDS 1", but exclude
            // "#define QT_NO_KEYWORDS_FOO"
            languageFeatures.qtKeywordsEnabled = nextChar != '\n' && nextChar != ' ';
        }
    }
}

ProjectPart::Ptr ProjectPart::copy() const
{
    return Ptr(new ProjectPart(*this));
}

QString ProjectPart::id() const
{
    QString projectPartId = QDir::fromNativeSeparators(projectFile);
    if (projectFileLine > 0)
        projectPartId += ":" + QString::number(projectFileLine);
    if (projectFileColumn > 0)
        projectPartId += ":" + QString::number(projectFileColumn);
    if (!displayName.isEmpty())
        projectPartId.append(QLatin1Char(' ') + displayName);
    return projectPartId;
}

QByteArray ProjectPart::readProjectConfigFile(const Ptr &projectPart)
{
    QByteArray result;

    QFile f(projectPart->projectConfigFile);
    if (f.open(QIODevice::ReadOnly)) {
        QTextStream is(&f);
        result = is.readAll().toUtf8();
        f.close();
    }

    return result;
}

} // namespace CppTools