78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
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#ifndef _OIDTREESCANNER_HPP
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#define _OIDTREESCANNER_HPP
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class Oid;
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class OidTreeScanner
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{
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protected:
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SIMCOidTree *m_pOidTree;
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// DESCRIPTION:
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// Adds list of nodes from lstChildren to the tail of m_recursionTrace,
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// constructing at the same time the OID lexicographically order.
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// the list received as parameter should not be modified;
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// PARAMETERS:
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// (in) list of nodes to add
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void UpdateRecursionTrace(SIMCNodeList *pLstChildren, SIMCNodeList *pLstTrace);
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// DESCRIPTION:
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// Gets the first symbol from the symbol list of the node pOidNode
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// PARAMETERS:
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// (in) pOidNode whose symbol is to be returned
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// (out) cszSymbol - pointer to the symbol (do not alter or free)
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// RETURN VALUE:
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// 0 on success, -1 on failure
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int GetNodeSymbol(const SIMCOidTreeNode *pOidNode, const char * & cszSymbol);
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// DESCRIPTION:
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// Gets the complete OID information for the given pOidNode.
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// It supplies both the numeric value and symbolic name for each
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// component of the OID.
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// PARAMETERS:
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// (in) pOidNode - the node whose OID is to be found
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// (out) oid - the Oid object who stores the data
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// RETURN VALUE:
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// 0 on success, -1 on failure
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int GetNodeOid(const SIMCOidTreeNode *pOidNode, Oid &oid);
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public:
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// initializes the OidTreeScanner
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OidTreeScanner();
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// DESCRIPTION:
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// scans lexicographically the oid tree;
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// RETURN VALUE:
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// 0 on success
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// -1 on failure;
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virtual int Scan();
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// DESCRIPTION:
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// "callback" function, called each time a
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// tree node passes through the scan. The user
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// should redefine this function in the derived
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// object to perform the action desired.
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// PARAMETERS:
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// (in) Pointer to the current node in the tree.
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// RETURN VALUE:
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// 0 - the scanner should continue
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// 1 - the scanner should abort.
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virtual int OnScanNode(const SIMCOidTreeNode *pOidNode) = 0;
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// DESCRIPTION:
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// Fills the symbols of the built-in objects from the static table
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// RETURN VALUE:
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// 0 - on success, -1 on failure
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int MergeBuiltIn();
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// DESCRIPTION:
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// initializes the m_pOidTree.
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// PARAMETERS:
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// (in) pointer to the SIMCOidTree to scan.
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void SetOidTree(SIMCOidTree *pOidTree);
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~OidTreeScanner();
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};
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#endif
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