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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "libraryparameters.h"
#include "librarywizarddialog.h"
#include <utils/codegeneration.h>
#include <utils/qtcassert.h>
#include <QTextStream>
#include <QStringList>
#include <cstring>
namespace QmakeProjectManager {
namespace Internal {
void LibraryParameters::generateCode(QtProjectParameters:: Type t,
const QString &headerName,
const QString &sharedHeader,
const QString &exportMacro,
const QString &pluginJsonFileName,
int indentation,
bool usePragmaOnce,
QString *header,
QString *source) const
{
QTextStream headerStr(header);
const QString indent = QString(indentation, QLatin1Char(' '));
// Do we have namespaces?
QStringList namespaceList = className.split(QLatin1String("::"));
if (namespaceList.empty()) // Paranoia!
return;
const QString unqualifiedClassName = namespaceList.takeLast();
// 1) Header
const QString guard = Utils::headerGuard(headerFileName, namespaceList);
if (usePragmaOnce)
headerStr << "#pragma once\n\n";
else
headerStr << "#ifndef " << guard << "\n#define " << guard << "\n\n";
if (!sharedHeader.isEmpty())
Utils::writeIncludeFileDirective(sharedHeader, false, headerStr);
// include base class header
if (!baseClassName.isEmpty()) {
Utils::writeIncludeFileDirective(baseClassName, true, headerStr);
headerStr << '\n';
}
const QString namespaceIndent = Utils::writeOpeningNameSpaces(namespaceList, indent, headerStr);
// Class declaraction
if (!namespaceIndent.isEmpty())
headerStr << '\n';
headerStr << namespaceIndent << "class ";
if (t == QtProjectParameters::SharedLibrary && !exportMacro.isEmpty())
headerStr << exportMacro << ' ';
headerStr << unqualifiedClassName;
if (!baseClassName.isEmpty())
headerStr << " : public " << baseClassName;
headerStr << "\n{\n";
// Is this a QObject (plugin)
const bool inheritsQObject = t == QtProjectParameters::QtPlugin;
if (inheritsQObject)
headerStr << namespaceIndent << indent << "Q_OBJECT\n";
if (t == QtProjectParameters::QtPlugin) { // Write Qt plugin meta data.
const QString qt5InterfaceName = LibraryWizardDialog::pluginInterface(baseClassName);
QTC_CHECK(!qt5InterfaceName.isEmpty());
headerStr << namespaceIndent << indent << "Q_PLUGIN_METADATA(IID \""
<< qt5InterfaceName << '"';
QTC_CHECK(!pluginJsonFileName.isEmpty());
headerStr << " FILE \"" << pluginJsonFileName << '"';
headerStr << ")\n";
}
headerStr << namespaceIndent << "\npublic:\n";
if (inheritsQObject) {
headerStr << namespaceIndent << indent << "explicit " << unqualifiedClassName
<< "(QObject *parent = nullptr);\n";
} else {
headerStr << namespaceIndent << indent << unqualifiedClassName << "();\n";
}
if (!pureVirtualSignatures.empty()) {
headerStr << "\nprivate:\n";
for (const QString &signature : pureVirtualSignatures)
headerStr << namespaceIndent << indent << signature << " override;\n";
}
headerStr << namespaceIndent << "};\n";
if (!namespaceIndent.isEmpty())
headerStr << '\n';
Utils::writeClosingNameSpaces(namespaceList, indent, headerStr);
if (!usePragmaOnce)
headerStr << "\n#endif // " << guard << '\n';
/// 2) Source
QTextStream sourceStr(source);
Utils::writeIncludeFileDirective(headerName, false, sourceStr);
sourceStr << '\n';
Utils::writeOpeningNameSpaces(namespaceList, indent, sourceStr);
if (!namespaceIndent.isEmpty())
sourceStr << '\n';
// Constructor
sourceStr << namespaceIndent << unqualifiedClassName << "::" << unqualifiedClassName;
if (inheritsQObject) {
sourceStr << "(QObject *parent) :\n"
<< namespaceIndent << indent << baseClassName << "(parent)\n";
} else {
sourceStr << "()\n";
}
sourceStr << namespaceIndent << "{\n" << namespaceIndent << "}\n";
for (const QString &signature : pureVirtualSignatures) {
const int parenIndex = signature.indexOf('(');
QTC_ASSERT(parenIndex != -1, continue);
int nameIndex = -1;
for (int i = parenIndex - 1; i > 0; --i) {
if (!signature.at(i).isLetterOrNumber()) {
nameIndex = i + 1;
break;
}
}
QTC_ASSERT(nameIndex != -1, continue);
sourceStr << '\n' << namespaceIndent << signature.left(nameIndex);
if (!std::strchr("&* ", signature.at(nameIndex - 1).toLatin1()))
sourceStr << ' ';
sourceStr << unqualifiedClassName << "::" << signature.mid(nameIndex) << '\n';
sourceStr << namespaceIndent << "{\n" << indent
<< "static_assert(false, \"You need to implement this function\");\n}\n";
}
Utils::writeClosingNameSpaces(namespaceList, indent, sourceStr);
}
QString LibraryParameters::generateSharedHeader(const QString &globalHeaderFileName,
const QString &projectTarget,
const QString &exportMacro,
bool usePragmaOnce)
{
QString contents;
if (usePragmaOnce) {
contents += "#pragma once\n";
} else {
contents += "#ifndef " + Utils::headerGuard(globalHeaderFileName) + "\n";
contents += "#define " + Utils::headerGuard(globalHeaderFileName) + "\n";
}
contents += "\n";
contents += "#include <QtCore/qglobal.h>\n";
contents += "\n";
contents += "#if defined(" + QtProjectParameters::libraryMacro(projectTarget) + ")\n";
contents += "# define " + exportMacro + " Q_DECL_EXPORT\n";
contents += "#else\n";
contents += "# define " + exportMacro + " Q_DECL_IMPORT\n";
contents += "#endif\n";
contents += "\n";
if (!usePragmaOnce)
contents += "#endif // " + Utils::headerGuard(globalHeaderFileName) + '\n';
return contents;
}
} // namespace Internal
} // namespace QmakeProjectManager
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