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/* This file is part of the KDE libraries
Copyright (c) 2003 Cornelius Schumacher <schumacher@kde.org>
Copyright (c) 2003 Waldo Bastian <bastian@kde.org>
Copyright (c) 2003 Zack Rusin <zack@kde.org>
Copyright (c) 2006 Michaël Larouche <michael.larouche@kdemail.net>
Copyright (c) 2008 Allen Winter <winter@kde.org>
Copyright (C) 2020 Tomaz Cananbrava (tcanabrava@kde.org)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef KCONFIGXMLPARSER_H
#define KCONFIGXMLPARSER_H
#include <QDomDocument>
#include <QString>
#include <QRegularExpression>
#include "KConfigCommonStructs.h"
#include "KConfigParameters.h"
/* This parses the contents of a Xml file into a ParseResult Structure,
* It also fails hard:
* If start() succeeds, you can use the result,
* if start() fails, the program aborts with an error message so there's
* no possibility of generating incorrect code information.
*/
class KConfigXmlParser
{
public:
KConfigXmlParser(const KConfigParameters &cfg, const QString &inputFileName);
// Start the parser and reads the contents of the inputFileName into the ParseResult Structure
void start();
// Get the result of the parse
ParseResult getParseResult() const;
private:
// creates a `somethingChanged` signal for every property
void createChangedSignal(CfgEntry &readEntry);
void validateNameAndKey(CfgEntry &readEntry, const QDomElement &element);
// TODO: Use std::optional and CfgEntry (without heap allocation) for this function
// *or* fail hard if the parse fails.
CfgEntry *parseEntry(const QString &group, const QDomElement &element);
// Steps
void readIncludeTag(const QDomElement &element);
void readGroupTag(const QDomElement &element);
void readKcfgfileTag(const QDomElement &element);
void readSignalTag(const QDomElement &element);
// Those are the Entries in the Xml, that represent a parameter within the <group> </group> tag.
void readParameterFromEntry(CfgEntry &entry, const QDomElement &element);
bool hasDefaultCode(CfgEntry &entry, const QDomElement &element);
void readChoicesFromEntry(CfgEntry &entry, const QDomElement &element);
void readGroupElements(CfgEntry &entry, const QDomElement &element);
void readParamDefaultValues(CfgEntry &entry, const QDomElement &element);
private:
ParseResult mParseResult;
KConfigParameters cfg;
QString mInputFileName;
QStringList mAllNames;
QRegularExpression mValidNameRegexp;
};
#endif
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