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106 lines
2.0 KiB
106 lines
2.0 KiB
// Copyright (c) 2003,2004 Charles Samuels <charles@kde.org>
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// See the file COPYING for redistribution terms.
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#ifndef BASE_H
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#define BASE_H
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// ;)
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#define unless(e) if(!(e))
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#include <qstring.h>
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#include <qobject.h>
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#include <qptrlist.h>
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class File;
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class Slice;
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typedef unsigned int FileId;
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class Base : public QObject
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{
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Q_OBJECT
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struct Private;
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Private *d; // not for BC, but for compile times :)
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friend class Slice;
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friend class File;
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unsigned int mFormatVersion;
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public:
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Base(const QString &file);
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~Base();
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File add(const QString &file);
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File find(FileId id);
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void clear();
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/**
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* get the highest FileID
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**/
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FileId high() const;
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/**
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* @return first item after the given id (inclusive)
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**/
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File first(FileId id=1);
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QString property(FileId id, const QString &property) const;
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void setProperty(FileId id, const QString &key, const QString &value);
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QStringList properties(FileId id) const;
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void clearProperty(FileId, const QString &key);
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/**
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* same as File::remove
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**/
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void remove(File f);
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/**
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* change the id of a file
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**/
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void move(FileId oldid, FileId newid);
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void dump();
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QPtrList<Slice> slices();
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Slice *addSlice(const QString &name);
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Slice *defaultSlice();
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Slice *sliceById(int id);
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unsigned int formatVersion() const { return mFormatVersion; }
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void resetFormatVersion();
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public slots:
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void notifyChanged(const File &file);
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signals:
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void added(File file);
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void removed(File file);
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void modified(File file);
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void addedTo(Slice *slice, File file);
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void removedFrom(Slice *slice, File file);
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/**
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* emitted when something of the slices gets modified
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* @ref Slice calls this itself via a friendship
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**/
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void slicesModified();
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private:
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void loadIntoCache(FileId id) const;
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private: // friends for Slice
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void removeSlice(Slice *slice);
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private:
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/**
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* load the xml that lives at the head of the db and contains
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* potentially lots of structured data
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**/
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void loadMetaXML(const QString &xml);
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QString saveMetaXML();
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};
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#endif
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