X-Git-Url: https://git.llucax.com/z.facultad/75.52/treemulator.git/blobdiff_plain/de3b0cb3cb22673c55c267a6cfd0428df0a084f8..HEAD:/src/btree.h?ds=inline

diff --git a/src/btree.h b/src/btree.h
index 5d05ae4..9e49213 100644
--- a/src/btree.h
+++ b/src/btree.h
@@ -207,7 +207,11 @@
  *  ocupe block_size de tamaño.
  */
 struct BTreeFileHeader {
+	char magic[7];
 	uint block_size;
+	int tree_type;
+	int key_type;
+	uint block_data_counter;
 };
 
 /** Encabezado de un bloque */
@@ -247,6 +251,8 @@ struct BTreeFindResult {
 class BTree {
 	public:
 		BTree (const std::string &filename, unsigned int block_size, int t_t = TYPE_IDENTIFICACION, int k_t = KEY_FIXED, bool create_new_file = false);
+		BTree (const std::string &filename);
+
 		~BTree ();
 
 		/** Tipos de clave a usar */
@@ -292,6 +298,7 @@ class BTree {
 
 		/* Funciones de manejo de archivo */
 		void WriteFileHeader ();
+		void ReadFileHeader ();
 
 		/* Manejo de Bloques */
 		void WriteBlock (uchar *block, uint num);
@@ -313,14 +320,16 @@ class BTree {
 
 		std::string filename;
 		BTreeFileHeader header;
-		int key_type;
-		int tree_type;
+
+		uint GetNextBlockData ();
 
 		/** Apunta al archivo de datos, asi se abre solo 1 vez
 		 *
 		 *  \todo Ver si vale la pena
 		 */
 		FILE *fp;
+		std::list<uint> deleted_nodes;
+		std::list<uint> deleted_block_data;
 
 
 		/* DEBUG */