mirror of https://github.com/OpenMW/openmw.git
gave Collection class its own header file and removed an unsed cpp file
Marc Zinnschlag
12 years ago
parent
8f167a603c
commit
5b3d2f5da1
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#ifndef CSM_WOLRD_COLLECTION_H
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#define CSM_WOLRD_COLLECTION_H
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#include <vector>
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#include <map>
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#include <algorithm>
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#include <cctype>
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#include <stdexcept>
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#include <functional>
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#include <QVariant>
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#include <components/misc/stringops.hpp>
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#include "columnbase.hpp"
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#include "collectionbase.hpp"
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namespace CSMWorld
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{
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/// \brief Access to ID field in records
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template<typename ESXRecordT>
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struct IdAccessor
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{
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std::string& getId (ESXRecordT& record);
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const std::string getId (const ESXRecordT& record) const;
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};
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template<typename ESXRecordT>
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std::string& IdAccessor<ESXRecordT>::getId (ESXRecordT& record)
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{
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return record.mId;
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}
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template<typename ESXRecordT>
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const std::string IdAccessor<ESXRecordT>::getId (const ESXRecordT& record) const
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{
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return record.mId;
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}
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/// \brief Single-type record collection
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template<typename ESXRecordT, typename IdAccessorT = IdAccessor<ESXRecordT> >
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class Collection : public CollectionBase
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{
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std::vector<Record<ESXRecordT> > mRecords;
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std::map<std::string, int> mIndex;
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std::vector<Column<ESXRecordT> *> mColumns;
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// not implemented
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Collection (const Collection&);
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Collection& operator= (const Collection&);
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public:
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Collection();
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virtual ~Collection();
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void add (const ESXRecordT& record);
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///< Add a new record (modified)
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virtual int getSize() const;
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virtual std::string getId (int index) const;
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virtual int getIndex (const std::string& id) const;
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virtual int getColumns() const;
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virtual QVariant getData (int index, int column) const;
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virtual void setData (int index, int column, const QVariant& data);
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virtual const ColumnBase& getColumn (int column) const;
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virtual void merge();
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///< Merge modified into base.
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virtual void purge();
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///< Remove records that are flagged as erased.
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virtual void removeRows (int index, int count) ;
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virtual void appendBlankRecord (const std::string& id,
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UniversalId::Type type = UniversalId::Type_None);
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///< \param type Will be ignored, unless the collection supports multiple record types
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virtual int searchId (const std::string& id) const;
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////< Search record with \a id.
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/// \return index of record (if found) or -1 (not found)
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virtual void replace (int index, const RecordBase& record);
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///< If the record type does not match, an exception is thrown.
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///
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/// \attention \a record must not change the ID.
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virtual void appendRecord (const RecordBase& record,
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UniversalId::Type type = UniversalId::Type_None);
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///< If the record type does not match, an exception is thrown.
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///< \param type Will be ignored, unless the collection supports multiple record types
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virtual const Record<ESXRecordT>& getRecord (const std::string& id) const;
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virtual const Record<ESXRecordT>& getRecord (int index) const;
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virtual int getAppendIndex (UniversalId::Type type = UniversalId::Type_None) const;
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///< \param type Will be ignored, unless the collection supports multiple record types
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void addColumn (Column<ESXRecordT> *column);
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void setRecord (int index, const Record<ESXRecordT>& record);
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///< \attention This function must not change the ID.
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};
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template<typename ESXRecordT, typename IdAccessorT>
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Collection<ESXRecordT, IdAccessorT>::Collection()
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{}
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template<typename ESXRecordT, typename IdAccessorT>
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Collection<ESXRecordT, IdAccessorT>::~Collection()
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{
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for (typename std::vector<Column<ESXRecordT> *>::iterator iter (mColumns.begin()); iter!=mColumns.end(); ++iter)
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delete *iter;
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}
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template<typename ESXRecordT, typename IdAccessorT>
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void Collection<ESXRecordT, IdAccessorT>::add (const ESXRecordT& record)
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{
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std::string id = Misc::StringUtils::lowerCase (IdAccessorT().getId (record));
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std::map<std::string, int>::iterator iter = mIndex.find (id);
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if (iter==mIndex.end())
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{
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Record<ESXRecordT> record2;
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record2.mState = Record<ESXRecordT>::State_ModifiedOnly;
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record2.mModified = record;
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mRecords.push_back (record2);
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mIndex.insert (std::make_pair (Misc::StringUtils::lowerCase (id), mRecords.size()-1));
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}
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else
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{
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mRecords[iter->second].setModified (record);
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}
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}
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template<typename ESXRecordT, typename IdAccessorT>
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int Collection<ESXRecordT, IdAccessorT>::getSize() const
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{
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return mRecords.size();
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}
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template<typename ESXRecordT, typename IdAccessorT>
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std::string Collection<ESXRecordT, IdAccessorT>::getId (int index) const
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{
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return IdAccessorT().getId (mRecords.at (index).get());
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}
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template<typename ESXRecordT, typename IdAccessorT>
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int Collection<ESXRecordT, IdAccessorT>::getIndex (const std::string& id) const
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{
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int index = searchId (id);
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if (index==-1)
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throw std::runtime_error ("invalid ID: " + id);
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return index;
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}
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template<typename ESXRecordT, typename IdAccessorT>
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int Collection<ESXRecordT, IdAccessorT>::getColumns() const
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{
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return mColumns.size();
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}
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template<typename ESXRecordT, typename IdAccessorT>
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QVariant Collection<ESXRecordT, IdAccessorT>::getData (int index, int column) const
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{
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return mColumns.at (column)->get (mRecords.at (index));
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}
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template<typename ESXRecordT, typename IdAccessorT>
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void Collection<ESXRecordT, IdAccessorT>::setData (int index, int column, const QVariant& data)
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{
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return mColumns.at (column)->set (mRecords.at (index), data);
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}
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template<typename ESXRecordT, typename IdAccessorT>
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const ColumnBase& Collection<ESXRecordT, IdAccessorT>::getColumn (int column) const
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{
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return *mColumns.at (column);
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}
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template<typename ESXRecordT, typename IdAccessorT>
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void Collection<ESXRecordT, IdAccessorT>::addColumn (Column<ESXRecordT> *column)
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{
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mColumns.push_back (column);
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}
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template<typename ESXRecordT, typename IdAccessorT>
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void Collection<ESXRecordT, IdAccessorT>::merge()
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{
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for (typename std::vector<Record<ESXRecordT> >::iterator iter (mRecords.begin()); iter!=mRecords.end(); ++iter)
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iter->merge();
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purge();
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}
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template<typename ESXRecordT, typename IdAccessorT>
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void Collection<ESXRecordT, IdAccessorT>::purge()
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{
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int i = 0;
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while (i<static_cast<int> (mRecords.size()))
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{
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if (mRecords[i].isErased())
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removeRows (i, 1);
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else
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++i;
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}
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}
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template<typename ESXRecordT, typename IdAccessorT>
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void Collection<ESXRecordT, IdAccessorT>::removeRows (int index, int count)
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{
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mRecords.erase (mRecords.begin()+index, mRecords.begin()+index+count);
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typename std::map<std::string, int>::iterator iter = mIndex.begin();
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while (iter!=mIndex.end())
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{
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if (iter->second>=index)
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{
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if (iter->second>=index+count)
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{
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iter->second -= count;
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}
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else
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{
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mIndex.erase (iter++);
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}
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}
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++iter;
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}
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}
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template<typename ESXRecordT, typename IdAccessorT>
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void Collection<ESXRecordT, IdAccessorT>::appendBlankRecord (const std::string& id,
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UniversalId::Type type)
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{
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ESXRecordT record;
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IdAccessorT().getId (record) = id;
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record.blank();
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add (record);
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}
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template<typename ESXRecordT, typename IdAccessorT>
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int Collection<ESXRecordT, IdAccessorT>::searchId (const std::string& id) const
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{
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std::string id2 = Misc::StringUtils::lowerCase(id);
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std::map<std::string, int>::const_iterator iter = mIndex.find (id2);
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if (iter==mIndex.end())
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return -1;
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return iter->second;
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}
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template<typename ESXRecordT, typename IdAccessorT>
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void Collection<ESXRecordT, IdAccessorT>::replace (int index, const RecordBase& record)
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{
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mRecords.at (index) = dynamic_cast<const Record<ESXRecordT>&> (record);
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}
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template<typename ESXRecordT, typename IdAccessorT>
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void Collection<ESXRecordT, IdAccessorT>::appendRecord (const RecordBase& record,
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UniversalId::Type type)
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{
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mRecords.push_back (dynamic_cast<const Record<ESXRecordT>&> (record));
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mIndex.insert (std::make_pair (Misc::StringUtils::lowerCase (IdAccessorT().getId (
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dynamic_cast<const Record<ESXRecordT>&> (record).get())),
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mRecords.size()-1));
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}
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template<typename ESXRecordT, typename IdAccessorT>
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int Collection<ESXRecordT, IdAccessorT>::getAppendIndex (UniversalId::Type type) const
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{
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return static_cast<int> (mRecords.size());
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}
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template<typename ESXRecordT, typename IdAccessorT>
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const Record<ESXRecordT>& Collection<ESXRecordT, IdAccessorT>::getRecord (const std::string& id) const
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{
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int index = getIndex (id);
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return mRecords.at (index);
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}
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template<typename ESXRecordT, typename IdAccessorT>
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const Record<ESXRecordT>& Collection<ESXRecordT, IdAccessorT>::getRecord (int index) const
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{
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return mRecords.at (index);
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}
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template<typename ESXRecordT, typename IdAccessorT>
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void Collection<ESXRecordT, IdAccessorT>::setRecord (int index, const Record<ESXRecordT>& record)
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{
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if (IdAccessorT().getId (mRecords.at (index).get())!=IdAccessorT().getId (record.get()))
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throw std::runtime_error ("attempt to change the ID of a record");
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mRecords.at (index) = record;
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}
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}
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#endif
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@ -1,3 +0,0 @@
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#include "idcollection.hpp"
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