X-Git-Url: https://git.llucax.com/z.facultad/75.52/treemulator.git/blobdiff_plain/6d948f6bdab2bb66cd5eb8046ec67ca9b3ab76c1..88f6f1c9a8861bed8d1907001a10c4605e268a5e:/src/btree.h diff --git a/src/btree.h b/src/btree.h index 081c436..999d798 100644 --- a/src/btree.h +++ b/src/btree.h @@ -46,8 +46,11 @@ #include #include +#include #include "common.h" #include "clave.h" +#include "clave_fija.h" +#include "btree_data.h" /* alias para codear menos :) */ @@ -86,18 +89,24 @@ class BTree { BTree (const std::string &filename, unsigned int block_size, bool create_new_file = false); ~BTree (); - void AddKey (Clave &k); - void DelKey (Clave &k); + void AddKey (const Clave &k); + void DelKey (const Clave &k); - private: - void write_tree_header (); - void write_block (uchar *block, uint num); + protected: + Clave* AddKeyR (const Clave *k, uint node_num, uint &left_child, uint &right_child); + void WriteFileHeader (); + + void WriteBlock (uchar *block, uint num); uchar *ReadBlock (uint num); + uchar *NewBlock (uint &num); void ReadNodoHeader (uchar *node, BTreeNodeHeader *header); void WriteNodoHeader (uchar *node, BTreeNodeHeader *header); + std::list ReadKeys (uchar *node, BTreeNodeHeader &node_header); + void WriteKeys (uchar *node, BTreeNodeHeader &node_header, std::list &keys); + std::string filename; BTreeFileHeader header; @@ -106,6 +115,10 @@ class BTree { * \TODO Ver si vale la pena */ FILE *fp; + + + /* DEBUG */ + void PrintNode (uint num); }; #endif // _B_TREE_H