forked from 0ad/0ad
59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
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#include "AtlasObject.h"
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#include <string>
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#include <map>
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// AtNode is an immutable tree node, with a string and and multimap of children.
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class AtNode
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{
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friend class AtSmartPtr<AtNode>;
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friend class AtSmartPtr<const AtNode>;
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public:
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typedef AtSmartPtr<const AtNode> Ptr;
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AtNode() : refcount(0) {}
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explicit AtNode(const AtNode* n) { *this = *n; refcount = 0; }
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explicit AtNode(const wchar_t* text) : refcount(0), value(text) {}
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// Create a new AtNode (since AtNodes are immutable, so it's not possible
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// to just change this one), with the relevant alterations to its content.
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const AtNode::Ptr setValue(const wchar_t* value) const;
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const AtNode::Ptr addChild(const char* key, const AtNode::Ptr &data) const;
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const AtNode::Ptr setChild(const char* key, const AtNode::Ptr &data) const;
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const AtIter getChild(const char* key) const;
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// Check recursively for any 'value' data
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bool hasContent() const;
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//private: // (but not actually private, since I'm still too lazy to waste
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// time with dozens of friends)
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std::wstring value;
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typedef std::multimap<const std::string, const AtNode::Ptr> child_maptype;
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typedef std::pair<const std::string, const AtNode::Ptr> child_pairtype;
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child_maptype children;
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private:
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mutable unsigned int refcount;
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};
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// Implementation of AtIter
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class AtIterImpl
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{
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friend class AtSmartPtr<AtIterImpl>;
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public:
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AtIterImpl() : refcount(0) {}
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AtIterImpl(AtNode::child_maptype::const_iterator it, AtNode::child_maptype::const_iterator up)
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: refcount(0), iter(it), iter_upperbound(up) {}
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AtNode::child_maptype::const_iterator iter, iter_upperbound;
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private:
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mutable unsigned int refcount;
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};
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