form.cpp

奇趣公司比较新的qt/emd版本

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#include "ui3reader.h"
#include "parser.h"
#include "domtool.h"
#include "globaldefs.h"

// uic4
#include "uic.h"
#include "ui4.h"
#include "driver.h"
#include "option.h"

#include <QStringList>
#include <QFile>
#include <QFileInfo>
#include <QDir>
#include <QRegExp>
#include <QtDebug>

QByteArray combinePath(const char *infile, const char *outfile)
{
    QFileInfo inFileInfo(QDir::current(), QFile::decodeName(infile));
    QFileInfo outFileInfo(QDir::current(), QFile::decodeName(outfile));
    int numCommonComponents = 0;

    QStringList inSplitted = inFileInfo.dir().canonicalPath().split(QLatin1Char('/'));
    QStringList outSplitted = outFileInfo.dir().canonicalPath().split(QLatin1Char('/'));

    while (!inSplitted.isEmpty() && !outSplitted.isEmpty() &&
            inSplitted.first() == outSplitted.first()) {
        inSplitted.erase(inSplitted.begin());
        outSplitted.erase(outSplitted.begin());
        numCommonComponents++;
    }

    if (numCommonComponents < 2) {
        /*
          The paths don't have the same drive, or they don't have the
          same root directory. Use an absolute path.
        */
        return QFile::encodeName(inFileInfo.absoluteFilePath());
    } else {
        /*
          The paths have something in common. Use a path relative to
          the output file.
        */
        while (!outSplitted.isEmpty()) {
            outSplitted.erase(outSplitted.begin());
            inSplitted.prepend(QLatin1String(".."));
        }
        inSplitted.append(inFileInfo.fileName());
        return QFile::encodeName(inSplitted.join(QLatin1String("/")));
    }
}

/*!
  Creates a declaration (header file) for the form given in \a e

  \sa createFormImpl()
*/
void Ui3Reader::createFormDecl(const QDomElement &e, bool implicitIncludes)
{
    QDomElement body = e;

    QDomElement n;
    QDomNodeList nl;
    int i;
    QString objClass = getClassName(e);
    if (objClass.isEmpty())
        return;
    QString objName = getObjectName(e);

    QStringList typeDefs;

    QMap<QString, CustomInclude> customWidgetIncludes;

    /*
      We are generating a few QImage members that are not strictly
      necessary in some cases. Ideally, we would use requiredImage,
      which is computed elsewhere, to keep the generated .h and .cpp
      files synchronized.
    */

    // at first the images
    QMap<QString, int> customWidgets;
    QStringList forwardDecl;
    QStringList forwardDecl2;
    for (n = e; !n.isNull(); n = n.nextSibling().toElement()) {
        if (n.tagName().toLower() == QLatin1String("customwidgets")) {
            QDomElement n2 = n.firstChild().toElement();
            while (!n2.isNull()) {
                if (n2.tagName().toLower() == QLatin1String("customwidget")) {
                    QDomElement n3 = n2.firstChild().toElement();
                    QString cl;
                    while (!n3.isNull()) {
                        QString tagName = n3.tagName().toLower();
                        if (tagName == QLatin1String("class")) {
                            cl = n3.firstChild().toText().data();
                            if (!nofwd)
                                forwardDecl << cl;
                            customWidgets.insert(cl, 0);
                        } else if (tagName == QLatin1String("header")) {
                            CustomInclude ci;
                            ci.header = n3.firstChild().toText().data();
                            ci.location = n3.attribute(QLatin1String("location"), QLatin1String("global"));
                            if (!ci.header.isEmpty())
                                forwardDecl.removeAll(cl);
                            customWidgetIncludes.insert(cl, ci);
                        }
                        n3 = n3.nextSibling().toElement();
                    }
                }
                n2 = n2.nextSibling().toElement();
            }
        }
    }

    // register the object and unify its name
    objName = registerObject(objName);
    QString protector = objName.toUpper() + QLatin1String("_H");
    protector.replace(QLatin1String("::"), QLatin1String("_"));
    out << "#ifndef " << protector << endl;
    out << "#define " << protector << endl;
    out << endl;

    out << "#include <qvariant.h>" << endl; // for broken HP-UX compilers

    QStringList globalIncludes, localIncludes;

    {
        QMap<QString, CustomInclude>::Iterator it = customWidgetIncludes.find(objClass);
        if (it != customWidgetIncludes.end()) {
            if ((*it).location == QLatin1String("global"))
                globalIncludes += (*it).header;
            else
                localIncludes += (*it).header;
        }
    }

    QStringList::ConstIterator it;

    globalIncludes = unique(globalIncludes);
    for (it = globalIncludes.constBegin(); it != globalIncludes.constEnd(); ++it) {
        if (!(*it).isEmpty()) {
            QString header = fixHeaderName(*it);
            out << "#include <" << header << ">" << endl;
        }
    }
    localIncludes = unique(localIncludes);
    for (it = localIncludes.constBegin(); it != localIncludes.constEnd(); ++it) {
        if (!(*it).isEmpty()) {
            QString header = fixHeaderName(*it);
            out << "#include \"" << header << "\"" << endl;
        }
    }
    out << endl;

    bool dbForm = false;
    registerDatabases(e);
    dbConnections = unique(dbConnections);
    if (dbForms[QLatin1String("(default)")].count())
        dbForm = true;
    bool subDbForms = false;
    for (it = dbConnections.constBegin(); it != dbConnections.constEnd(); ++it) {
        if (!(*it).isEmpty() && (*it) != QLatin1String("(default)")) {
            if (dbForms[(*it)].count()) {
                subDbForms = true;
                break;
            }
        }
    }

    // some typedefs, maybe
    typeDefs = unique(typeDefs);
    for (it = typeDefs.constBegin(); it != typeDefs.constEnd(); ++it) {
        if (!(*it).isEmpty())
            out << "typedef " << *it << ";" << endl;
    }

    nl = e.parentNode().toElement().elementsByTagName(QLatin1String("forward"));
    for (i = 0; i < (int) nl.length(); i++)
        forwardDecl2 << fixDeclaration(nl.item(i).toElement().firstChild().toText().data());

    forwardDecl = unique(forwardDecl);
    for (it = forwardDecl.constBegin(); it != forwardDecl.constEnd(); ++it) {
        if (!(*it).isEmpty() && (*it) != objClass) {
            QString forwardName = *it;
            QStringList forwardNamespaces = forwardName.split(QLatin1String("::"));
            forwardName = forwardNamespaces.last();
            forwardNamespaces.removeAt(forwardNamespaces.size()-1);

            QStringList::ConstIterator ns = forwardNamespaces.constBegin();
            while (ns != forwardNamespaces.constEnd()) {
                out << "namespace " << *ns << " {" << endl;
                ++ns;
            }
            out << "class " << forwardName << ";" << endl;
            for (int i = 0; i < (int) forwardNamespaces.count(); i++)
                out << "}" << endl;
        }
    }

    for (it = forwardDecl2.constBegin(); it != forwardDecl2.constEnd(); ++it) {
        QString fd = *it;
        fd = fd.trimmed();
        if (!fd.endsWith(QLatin1String(";")))
            fd += QLatin1String(";");
        out << fd << endl;
    }

    out << endl;

    Driver d;
    d.option().headerProtection = false;
    d.option().copyrightHeader = false;
    d.option().extractImages = m_extractImages;
    d.option().qrcOutputFile = m_qrcOutputFile;
    d.option().implicitIncludes = implicitIncludes;
    if (trmacro.size())
        d.option().translateFunction = trmacro;
    DomUI *ui = generateUi4(e, implicitIncludes);
    d.uic(fileName, ui, &out);
    delete ui;

    createWrapperDeclContents(e);

    out << "#endif // " << protector << endl;
}

void Ui3Reader::createWrapperDecl(const QDomElement &e, const QString &convertedUiFile)
{
    QString objName = getObjectName(e);

    objName = registerObject(objName);
    QString protector = objName.toUpper() + QLatin1String("_H");
    protector.replace(QLatin1String("::"), QLatin1String("_"));
    out << "#ifndef " << protector << endl;
    out << "#define " << protector << endl;
    out << endl;
    out << "#include \"" << convertedUiFile << "\"" << endl;

    createWrapperDeclContents(e);
    out << endl;
    out << "#endif // " << protector << endl;
}

void Ui3Reader::createWrapperDeclContents(const QDomElement &e)
{
    QString objClass = getClassName(e);
    if (objClass.isEmpty())
        return;

    QDomNodeList nl;
    QString exportMacro;
    int i;
    QDomElement n;
    QStringList::ConstIterator it;
    nl = e.parentNode().toElement().elementsByTagName(QLatin1String("exportmacro"));
    if (nl.length() == 1)
        exportMacro = nl.item(0).firstChild().toText().data();

    QStringList::ConstIterator ns = namespaces.constBegin();
    while (ns != namespaces.constEnd()) {
        out << "namespace " << *ns << " {" << endl;
        ++ns;
    }

    out << "class ";
    if (!exportMacro.isEmpty())
        out << exportMacro << " ";