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/*
This file is part of the KDE libraries
SPDX-FileCopyrightText: 2006, 2007 Thomas Braxton <kde.braxton@gmail.com>
SPDX-FileCopyrightText: 1999-2000 Preston Brown <pbrown@kde.org>
SPDX-FileCopyrightText: 1996-2000 Matthias Kalle Dalheimer <kalle@kde.org>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#ifndef KCONFIGDATA_P_H
#define KCONFIGDATA_P_H
#include <QByteArray>
#include <QDebug>
#include <QMap>
#include <QString>
/**
* map/dict/list config node entry.
* @internal
*/
struct KEntry {
/** Constructor. @internal */
KEntry()
: mValue()
, bDirty(false)
, bGlobal(false)
, bImmutable(false)
, bDeleted(false)
, bExpand(false)
, bReverted(false)
, bLocalizedCountry(false)
, bNotify(false)
, bOverridesGlobal(false)
{
}
/** @internal */
QByteArray mValue;
/**
* Must the entry be written back to disk?
*/
bool bDirty : 1;
/**
* Entry should be written to the global config file
*/
bool bGlobal : 1;
/**
* Entry can not be modified.
*/
bool bImmutable : 1;
/**
* Entry has been deleted.
*/
bool bDeleted : 1;
/**
* Whether to apply dollar expansion or not.
*/
bool bExpand : 1;
/**
* Entry has been reverted to its default value (from a more global file).
*/
bool bReverted : 1;
/**
* Entry is for a localized key. If @c false the value references just language e.g. "de",
* if @c true the value references language and country, e.g. "de_DE".
**/
bool bLocalizedCountry : 1;
bool bNotify : 1;
/**
* Entry will need to be written on a non global file even if it matches default value
*/
bool bOverridesGlobal : 1;
};
// These operators are used to check whether an entry which is about
// to be written equals the previous value. As such, this intentionally
// omits the dirty/notify flag from the comparison.
inline bool operator==(const KEntry &k1, const KEntry &k2)
{
/* clang-format off */
return k1.bGlobal == k2.bGlobal
&& k1.bImmutable == k2.bImmutable
&& k1.bDeleted == k2.bDeleted
&& k1.bExpand == k2.bExpand
&& k1.mValue == k2.mValue;
/* clang-format on */
}
inline bool operator!=(const KEntry &k1, const KEntry &k2)
{
return !(k1 == k2);
}
/**
* key structure holding both the actual key and the group
* to which it belongs.
* @internal
*/
struct KEntryKey {
/** Constructor. @internal */
KEntryKey(const QByteArray &_group = QByteArray(), const QByteArray &_key = QByteArray(), bool isLocalized = false, bool isDefault = false)
: mGroup(_group)
, mKey(_key)
, bLocal(isLocalized)
, bDefault(isDefault)
, bRaw(false)
{
;
}
/**
* The "group" to which this EntryKey belongs
*/
QByteArray mGroup;
/**
* The _actual_ key of the entry in question
*/
QByteArray mKey;
/**
* Entry is localised or not
*/
bool bLocal : 1;
/**
* Entry indicates if this is a default value.
*/
bool bDefault : 1;
/** @internal
* Key is a raw unprocessed key.
* @warning this should only be set during merging, never for normal use.
*/
bool bRaw : 1;
};
/**
* Compares two KEntryKeys (needed for QMap). The order is localized, localized-default,
* non-localized, non-localized-default
* @internal
*/
inline bool operator<(const KEntryKey &k1, const KEntryKey &k2)
{
int result = qstrcmp(k1.mGroup.data(), k2.mGroup.data());
if (result != 0) {
return result < 0;
}
result = qstrcmp(k1.mKey.data(), k2.mKey.data());
if (result != 0) {
return result < 0;
}
if (k1.bLocal != k2.bLocal) {
return k1.bLocal;
}
return (!k1.bDefault && k2.bDefault);
}
QDebug operator<<(QDebug dbg, const KEntryKey &key);
QDebug operator<<(QDebug dbg, const KEntry &entry);
/**
* \relates KEntry
* type specifying a map of entries (key,value pairs).
* The keys are actually a key in a particular config file group together
* with the group name.
* @internal
*/
class KEntryMap : public QMap<KEntryKey, KEntry>
{
public:
enum SearchFlag {
SearchDefaults = 1,
SearchLocalized = 2,
};
Q_DECLARE_FLAGS(SearchFlags, SearchFlag)
enum EntryOption {
EntryDirty = 1,
EntryGlobal = 2,
EntryImmutable = 4,
EntryDeleted = 8,
EntryExpansion = 16,
EntryRawKey = 32,
EntryLocalizedCountry = 64,
EntryNotify = 128,
EntryDefault = (SearchDefaults << 16),
EntryLocalized = (SearchLocalized << 16),
};
Q_DECLARE_FLAGS(EntryOptions, EntryOption)
Iterator findExactEntry(const QByteArray &group, const QByteArray &key = QByteArray(), SearchFlags flags = SearchFlags());
Iterator findEntry(const QByteArray &group, const QByteArray &key = QByteArray(), SearchFlags flags = SearchFlags());
ConstIterator findEntry(const QByteArray &group, const QByteArray &key = QByteArray(), SearchFlags flags = SearchFlags()) const
{
return constFindEntry(group, key, flags);
}
ConstIterator constFindEntry(const QByteArray &group, const QByteArray &key = QByteArray(), SearchFlags flags = SearchFlags()) const;
/**
* Returns true if the entry gets dirtied or false in other case
*/
bool setEntry(const QByteArray &group, const QByteArray &key, const QByteArray &value, EntryOptions options);
void setEntry(const QByteArray &group, const QByteArray &key, const QString &value, EntryOptions options)
{
setEntry(group, key, value.toUtf8(), options);
}
QString getEntry(const QByteArray &group,
const QByteArray &key,
const QString &defaultValue = QString(),
SearchFlags flags = SearchFlags(),
bool *expand = nullptr) const;
bool hasEntry(const QByteArray &group, const QByteArray &key = QByteArray(), SearchFlags flags = SearchFlags()) const;
bool getEntryOption(const ConstIterator &it, EntryOption option) const;
bool getEntryOption(const QByteArray &group, const QByteArray &key, SearchFlags flags, EntryOption option) const
{
return getEntryOption(findEntry(group, key, flags), option);
}
void setEntryOption(Iterator it, EntryOption option, bool bf);
void setEntryOption(const QByteArray &group, const QByteArray &key, SearchFlags flags, EntryOption option, bool bf)
{
setEntryOption(findEntry(group, key, flags), option, bf);
}
bool revertEntry(const QByteArray &group, const QByteArray &key, EntryOptions options, SearchFlags flags = SearchFlags());
};
Q_DECLARE_OPERATORS_FOR_FLAGS(KEntryMap::SearchFlags)
Q_DECLARE_OPERATORS_FOR_FLAGS(KEntryMap::EntryOptions)
/**
* \relates KEntry
* type for iterating over keys in a KEntryMap in sorted order.
* @internal
*/
typedef QMap<KEntryKey, KEntry>::Iterator KEntryMapIterator;
/**
* \relates KEntry
* type for iterating over keys in a KEntryMap in sorted order.
* It is const, thus you cannot change the entries in the iterator,
* only examine them.
* @internal
*/
typedef QMap<KEntryKey, KEntry>::ConstIterator KEntryMapConstIterator;
#endif
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