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Diffstat (limited to 'generators/boostpython/convertergenerator.cpp')
| -rw-r--r-- | generators/boostpython/convertergenerator.cpp | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/generators/boostpython/convertergenerator.cpp b/generators/boostpython/convertergenerator.cpp new file mode 100644 index 0000000..ea52b91 --- /dev/null +++ b/generators/boostpython/convertergenerator.cpp @@ -0,0 +1,180 @@ +/* + * This file is part of the Boost Python Generator project. + * + * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). + * + * Contact: PySide team <contact@pyside.org> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <QtCore/QDebug> +#include <fileout.h> +#include "convertergenerator.h" + +static Indentor INDENT; + +ConverterGenerator::ConverterGenerator() +{ + // QPair + m_conversions << qMakePair(QString("QPair<"), &m_qpairTypes); + // QList + m_conversions << qMakePair(QString("QList<"), &m_qlistTypes); + // QVector + m_conversions << qMakePair(QString("QVector<"), &m_qvectorTypes); + // QMap + m_conversions << qMakePair(QString("QMap<"), &m_qmapTypes); + // QHash + m_conversions << qMakePair(QString("QHash<"), &m_qhashTypes); + // QMultiMap + m_conversions << qMakePair(QString("QMultiMap<"), &m_qmultiMapTypes); + +} + +void ConverterGenerator::finishGeneration() +{ + if (!classes().size()) + return; + + QString fileOutPath; + + foreach (AbstractMetaClass *cls, classes()) { + if (!shouldGenerate(cls)) + continue; + + if (fileOutPath.isNull()) { + m_packageName = cls->package(); + fileOutPath = outputDirectory() + '/' + subDirectoryForClass(cls) + + "/converter_register_" + moduleName().toLower() + ".hpp"; + } + + foreach (AbstractMetaFunction* func, filterFunctions(cls)) + checkFunctionMetaTypes(func); + } + + FileOut fileOut(fileOutPath); + QTextStream& s = fileOut.stream; + + // write license comment + s << licenseComment() << endl; + + s << "#ifndef CONVERTERREGISTER_" << moduleName().toUpper() << "_HPP\n"; + s << "#define CONVERTERREGISTER_" << moduleName().toUpper() << "_HPP\n\n"; + + //Includes + QStringList includes; + foreach (AbstractMetaClass *cls, classes()) { + if (cls->typeEntry()->include().isValid()) { + QString include_file = cls->typeEntry()->include().toString(); + if (!includes.contains(include_file)) { + s << include_file << endl; + includes << include_file; + } + } + + if (cls->typeEntry()->generateCode()) { + QList<Include> extra_includes = cls->typeEntry()->extraIncludes(); + foreach (Include include, extra_includes) { + if (!includes.contains(include.toString())) { + s << include.toString() << endl; + includes << include.toString(); + } + } + } + } + + s << "#include \"type_converter.hpp\"\n\n"; + + s << "void register_type_converters_" << moduleName().toLower() << "()\n{\n"; + Indentation indent(INDENT); + writeConverterRegistration(s, "register_qpair_converter", "QPair", m_qpairTypes); + writeConverterRegistration(s, "register_container_converter", "QList", m_qlistTypes); + writeConverterRegistration(s, "register_container_converter", "QVector", m_qvectorTypes); + writeConverterRegistration(s, "register_dict_converter", "QMap", m_qmapTypes); + writeConverterRegistration(s, "register_dict_converter", "QHash", m_qhashTypes); + writeConverterRegistration(s, "register_multimap_converter", "QMultiMap", m_qmultiMapTypes); + s << "}\n\n"; + s << "#endif\n\n"; + + m_numGeneratedWritten = m_qpairTypes.size() + m_qlistTypes.size() + + m_qvectorTypes.size() + m_qmapTypes.size() + + m_qhashTypes.size(); +} + +void ConverterGenerator::writeConverterRegistration(QTextStream& out, + const QString& funcName, + const QString& type, + const QSet<QString>& params) +{ + foreach (QString param, params) { + QString completeType(QMetaObject::normalizedType( + (type + '<' + param + " >").toLatin1().data())); + out << INDENT << "PySide::" << funcName; + out << '<' << completeType << " >(\""; + out << completeType << "\");" << endl; + } +} + +void ConverterGenerator::checkFunctionMetaTypes(AbstractMetaFunction* func) +{ + if (func->type()) + checkMetaType(functionReturnType(func)); + + foreach (AbstractMetaArgument* arg, func->arguments()) { + if (arg->type()) { + checkMetaType(argumentString(func, arg, + (Generator::SkipName | Generator::SkipDefaultValues))); + } + } +} + +// FIXME Use some AbstracyMetaAnything info instead of parse the cpp signature? +void ConverterGenerator::checkMetaType(const QString& cppSignature) +{ + QRegExp typeRegex("Q\\w+"); + + foreach (Conversion conv, m_conversions) { + int index = cppSignature.indexOf(conv.first); + if (index >= 0) { + QString templateArg = extractTemplateArgument(cppSignature.right(cppSignature.length() - index - conv.first.length())); + conv.second->insert(templateArg); + // detect types to generate includes + int offset = 0; + while ((offset = typeRegex.indexIn(templateArg, offset)) != -1) { + const QString cap(typeRegex.cap(0)); + offset += cap.length(); + } + } + } +} + +QString ConverterGenerator::extractTemplateArgument(const QString& templateParams) +{ + int stack = 0; + for (int i = 0; i < templateParams.length(); ++i) { + QChar c = templateParams[i]; + if (c == '<') { + stack++; + } else if (c == '>') { + stack--; + if (stack < 0) + return templateParams.left(i).trimmed(); + } + } + Q_ASSERT(false); + return QString(); +} + |