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/* This file is part of the KDE project
Copyright (C) 2004 Laurent Montel <montel@kde.org>
David Faure <faure@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 KOOASISSETTINGS_H
#define KOOASISSETTINGS_H
#include <QDomDocument>
#include "koodf_export.h"
#include "KoXmlReader.h"
/**
* @brief Parse settings.xml file.
*
* This class helps parsing the settings.xml file of an OASIS document.
*
* For reference, the structure of settings.xml looks like:
* <pre>
* \<office:settings\>
* \<config:config-item-set config:name="configure-settings"\>
* ....
* \</config:config-item-set\>
* \<config:config-item-set config:name="view-settings"\>
* \<config:config-item-map-indexed config:name="Views"\>
* \<config:config-item-map-entry\>
* \<config:config-item config:name="SnapLinesDrawing" config:type="string"\>value\</config:config-item\>
* ....
* \<config:config-item-map-named config:name="Tables"\>
* \<config:config-item-map-entry config:name="Sheet1"\>
* \<config:config-item config:name="CursorPositionX"\>
* ......
* \</config:config-item-map-entry\>
* \<config:config-item-map-entry config:name="Sheet2"\>
* ....
* \</config:config-item-map-entry\>
* \</config:config-item-map-named\>
* .....
* \</config:config-item-map-entry\>
* \</config:config-item-map-indexed\>
* \<config:config-item-map-indexed config:name="Interface"\>
* .......
* \</config:config-item-map-indexed\>
* \</config:config-item-set\>
* \</office:settings\>
* </pre>
* Basically, an item-set is a set of named \<config-item\>s and/or maps.
* There are two kinds of maps (by-index or by-name), and entries in the
* maps contain \<config-item\>s too, or nested maps.
*
* The API of KoOasisSettings allows the caller to look for a given item-set
* or item-map once, and then lookup multiple items inside it.
* It also allows "drilling down" inside the tree in case of nesting.
*/
class KOODF_EXPORT KoOasisSettings
{
public:
/**
* Normal KoOasisSettings constructor, for an OASIS settings.xml
*/
explicit KoOasisSettings(const KoXmlDocument &doc);
/**
* KoOasisSettings constructor for an OpenOffice-1.1 file
*/
KoOasisSettings(const KoXmlDocument &doc, const char *officeNsUri, const char *configNsUri);
~KoOasisSettings();
class Items;
/**
* Returns the toplevel item-set named @p itemSetName.
* If not found, the returned items instance is null.
*/
Items itemSet(const QString &itemSetName) const;
class IndexedMap;
class NamedMap;
/// Represents a collection of items (config-item or maps).
class KOODF_EXPORT Items
{
friend class KoOasisSettings;
friend class IndexedMap;
friend class NamedMap;
Items(const KoXmlElement& elem, const KoOasisSettings* settings)
: m_element(elem), m_settings(settings) {}
public:
bool isNull() const {
return m_element.isNull();
}
/**
* Look for the config-item-map-indexed named @p itemMapName and return it.
*
* An indexed map is an array (or sequence), i.e. items are supposed to
* be retrieved by index. This is useful for e.g. "view 0", "view 1" etc.
*/
IndexedMap indexedMap(const QString &itemMapName) const;
/**
* Look for the config-item-map-named named @p mapItemName and return it.
*
* A named map is a map where items are retrieved by entry name, @see selectItemMapEntry
* @return false if no such map was found
*/
NamedMap namedMap(const QString &itemMapName) const;
int parseConfigItemInt(const QString &configName, int defaultValue = 0) const;
qreal parseConfigItemDouble(const QString &configName, qreal defaultValue = 0) const;
QString parseConfigItemString(const QString &configName, const QString &defaultValue = QString()) const;
bool parseConfigItemBool(const QString &configName, bool defaultValue = false) const;
short parseConfigItemShort(const QString &configName, short defaultValue = 0) const;
long parseConfigItemLong(const QString &configName, long defaultValue = 0) const;
private:
/// @internal
QString findConfigItem(const QString &item, bool *ok) const;
/// @internal
QString findConfigItem(const KoXmlElement &element, const QString &item, bool *ok) const;
KoXmlElement m_element;
const KoOasisSettings* m_settings;
};
/// Internal base class for IndexedMap and NamedMap
class Map
{
public:
bool isNull() const {
return m_element.isNull();
}
protected:
Map(const KoXmlElement &elem, const KoOasisSettings *settings)
: m_element(elem), m_settings(settings) {}
const KoXmlElement m_element;
const KoOasisSettings *m_settings;
};
class KOODF_EXPORT IndexedMap : public Map
{
friend class Items;
IndexedMap(const KoXmlElement& elem, const KoOasisSettings* settings)
: Map(elem, settings) {}
public:
/// Returns an entry in an indexed map
Items entry(int entryIndex) const;
};
class KOODF_EXPORT NamedMap : public Map
{
friend class Items;
NamedMap(const KoXmlElement &elem, const KoOasisSettings *settings)
: Map(elem, settings) {}
public:
/// Returns an entry in a named map
Items entry(const QString& entryName) const;
};
private:
friend class Items;
friend class IndexedMap;
friend class NamedMap;
const KoXmlElement m_settingsElement;
const QString m_configNsUri;
class Private;
Private * const d;
};
#endif
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