forked from Mirrors/openclonk
141 lines
3.5 KiB
C++
141 lines
3.5 KiB
C++
/*
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* OpenClonk, http://www.openclonk.org
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*
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* Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de/
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* Copyright (c) 2013-2016, The OpenClonk Team and contributors
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*
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* Distributed under the terms of the ISC license; see accompanying file
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* "COPYING" for details.
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*
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* "Clonk" is a registered trademark of Matthes Bender, used with permission.
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* See accompanying file "TRADEMARK" for details.
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*
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* To redistribute this file separately, substitute the full license texts
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* for the above references.
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*/
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#ifndef INC_C4ValueMap2
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#define INC_C4ValueMap2
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// implements a list of C4Values associated with a name list.
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// the list is split in the two components (data/names) to make it possible
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// to have multiple data lists using a single name list
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class C4ValueMapNames;
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// the data list
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class C4ValueMapData
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{
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friend class C4ValueMapNames;
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public:
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// construction/destruction
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C4ValueMapData();
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C4ValueMapData(const C4ValueMapData &DataToCopy);
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virtual ~C4ValueMapData();
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C4ValueMapData& operator = (const C4ValueMapData &DataToCopy);
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bool operator == (const C4ValueMapData &Data) const;
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// data array
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C4Value *pData{nullptr};
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// pointer on name list
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C4ValueMapNames *pNames{nullptr};
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// using temporary name list?
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// (delete when changing list)
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bool bTempNameList{false};
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// returns the item specified or 0 if it doesn't exist
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C4Value *GetItem(const char* strName);
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C4Value *GetItem(int32_t iNr);
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// sets the name list
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void SetNameList(C4ValueMapNames *pnNames);
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// creates a new (empty) temporary name list for this data class
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C4ValueMapNames *CreateTempNameList();
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void Reset(); // resets content & unreg name list
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void ResetContent(); // resets content
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int32_t GetAnzItems();
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C4Value& operator [] (int32_t iNr) { return *GetItem(iNr); }
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C4Value& operator [] (const char *strName) { return *GetItem(strName); }
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void Denumerate(C4ValueNumbers *);
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void CompileFunc(StdCompiler *pComp, C4ValueNumbers *);
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private:
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// a list linking all data lists using the same name list together.
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C4ValueMapData *pNext{nullptr};
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void Register(C4ValueMapNames *pnNames);
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void UnRegister();
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// called by names list to tell us that the name list
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// was changed and from SetNameList (the data list has to be rordered...)
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void OnNameListChanged(const char **pOldNames, int32_t iOldSize);
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// (Re)Allocs data list
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// old data will be deleted!
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// (size taken from pNames->iSize)
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void ReAllocList();
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};
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// the names list
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class C4ValueMapNames
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{
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friend class C4ValueMapData;
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public:
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// construction/destruction
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C4ValueMapNames();
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C4ValueMapNames(const C4ValueMapNames& NamesToCopy);
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C4ValueMapNames& operator = (const C4ValueMapNames &NamesToCopy);
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virtual ~C4ValueMapNames();
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// name array
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char **pNames{nullptr};
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// item count
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int32_t iSize{0};
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// set name array
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void SetNameArray(const char **pnNames, int32_t nSize);
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// add a name; return index of added element (or index of current if it's already in the list)
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int32_t AddName(const char *pnName);
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// returns the nr of the given name
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// (= nr of value in "child" data lists)
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// returns -1 if no item with given name exists
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int32_t GetItemNr(const char *strName) const;
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// get name by index; awway bounds not checked
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const char *GetItemUnsafe(int32_t idx) const { return pNames[idx]; }
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void Reset();
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private:
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// points to first data list using this name list
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C4ValueMapData *pFirst{nullptr};
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void Register(C4ValueMapData *pData);
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void UnRegister(C4ValueMapData *pData);
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// changes the name list
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void ChangeNameList(const char **pnNames, int32_t nSize);
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};
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#endif
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