41 lines
821 B
C++
41 lines
821 B
C++
#pragma once
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#include "definition_global.h"
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#include <string>
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namespace paysages {
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namespace definition {
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/**
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* Base class for diffs produced by the definition tree.
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*
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* Diffs are used to undo/redo changes.
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*/
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class DEFINITIONSHARED_EXPORT DefinitionDiff {
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public:
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DefinitionDiff(const DefinitionNode *node);
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DefinitionDiff(const DefinitionDiff *other);
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virtual ~DefinitionDiff();
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inline const string &getTypeName() const {
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return type_name;
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}
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inline const string &getPath() const {
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return path;
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}
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/**
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* Abstract method to build a reversed diff (used for undoing).
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*
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* This diff is allocated and should be freed by the caller.
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*/
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virtual DefinitionDiff *newReversed() const = 0;
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private:
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string type_name;
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string path;
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};
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}
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}
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