SQLite

/*
** 2001 September 15
**
** The author disclaims copyright to this source code.  In place of
** a legal notice, here is a blessing:
**
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** $Id: btree.c,v 1.100 2004/02/10 02:57:59 drh Exp $
**
** This file implements a external (disk-based) database using BTrees.
** For a detailed discussion of BTrees, refer to
**
**     Donald E. Knuth, THE ART OF COMPUTER PROGRAMMING, Volume 3:
**     "Sorting And Searching", pages 473-480. Addison-Wesley
**     Publishing Company, Reading, Massachusetts.

  }
  aResult[5] = cnt;
  aResult[7] = SWAB32(pBt, pPage->u.hdr.rightChild);
  return SQLITE_OK;
}
#endif


/*
** Return the pager associated with a BTree.  This routine is used for
** testing and debugging only.
*/
static Pager *fileBtreePager(Btree *pBt){
  return pBt->pPager;
}


/*
** This structure is passed around through all the sanity checking routines
** in order to keep track of some global state information.
*/
typedef struct IntegrityCk IntegrityCk;
struct IntegrityCk {

    fileBtreeClearTable,
    fileBtreeCursor,
    fileBtreeGetMeta,
    fileBtreeUpdateMeta,
    fileBtreeIntegrityCheck,
    fileBtreeGetFilename,
    fileBtreeCopyFile,
    fileBtreePager,
#ifdef SQLITE_TEST
    fileBtreePageDump,

#endif
};
static BtCursorOps sqliteBtreeCursorOps = {
    fileBtreeMoveto,
    fileBtreeDelete,
    fileBtreeInsert,
    fileBtreeFirst,

**    May you share freely, never taking more than you give.
**
*************************************************************************
** This header file defines the interface that the sqlite B-Tree file
** subsystem.  See comments in the source code for a detailed description
** of what each interface routine does.
**
** @(#) $Id: btree.h,v 1.36 2004/02/10 02:57:59 drh Exp $
*/
#ifndef _BTREE_H_
#define _BTREE_H_

/*
** Forward declarations of structure
*/

    int (*ClearTable)(Btree*, int);
    int (*Cursor)(Btree*, int iTable, int wrFlag, BtCursor **ppCur);
    int (*GetMeta)(Btree*, int*);
    int (*UpdateMeta)(Btree*, int*);
    char *(*IntegrityCheck)(Btree*, int*, int);
    const char *(*GetFilename)(Btree*);
    int (*Copyfile)(Btree*,Btree*);
    struct Pager *(*Pager)(Btree*);
#ifdef SQLITE_TEST
    int (*PageDump)(Btree*, int, int);

#endif
};

/*
** An instance of this structure defines all of the methods that can
** be executed against a cursor.
*/

#define sqliteBtreeCloseCursor(pCur)      (btCOps(pCur)->CloseCursor(pCur))
#define sqliteBtreeGetMeta(pBt, aMeta)    (btOps(pBt)->GetMeta(pBt, aMeta))
#define sqliteBtreeUpdateMeta(pBt, aMeta) (btOps(pBt)->UpdateMeta(pBt, aMeta))
#define sqliteBtreeIntegrityCheck(pBt, aRoot, nRoot)\
                (btOps(pBt)->IntegrityCheck(pBt, aRoot, nRoot))
#define sqliteBtreeGetFilename(pBt)       (btOps(pBt)->GetFilename(pBt))
#define sqliteBtreeCopyFile(pBt1, pBt2)   (btOps(pBt1)->Copyfile(pBt1, pBt2))
#define sqliteBtreePager(pBt)             (btOps(pBt)->Pager(pBt))

#ifdef SQLITE_TEST
#define sqliteBtreePageDump(pBt, pgno, recursive)\
                (btOps(pBt)->PageDump(pBt, pgno, recursive))
#define sqliteBtreeCursorDump(pCur, aResult)\
                (btCOps(pCur)->CursorDump(pCur, aResult))

int btree_native_byte_order;
#endif /* SQLITE_TEST */


#endif /* _BTREE_H_ */

/*
** 2003 Feb 4
**
** The author disclaims copyright to this source code.  In place of
** a legal notice, here is a blessing:
**
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** $Id: btree_rb.c,v 1.21 2004/02/10 02:57:59 drh Exp $
**
** This file implements an in-core database using Red-Black balanced
** binary trees.
** 
** It was contributed to SQLite by anonymous on 2003-Feb-04 23:24:49 UTC.
*/
#include "btree.h"

}

static int memRbtreeCursorDump(RbtCursor* pCur, int* aRes)
{
  assert(!"Cannot call sqliteRbtreeCursorDump");
  return SQLITE_OK;
}
#endif

static struct Pager *memRbtreePager(Rbtree* tree)
{
  assert(!"Cannot call sqliteRbtreePager");
  return SQLITE_OK;
}


/*
** Return the full pathname of the underlying database file.
*/
static const char *memRbtreeGetFilename(Rbtree *pBt){
  return 0;  /* A NULL return indicates there is no underlying file */
}

    (int(*)(Btree*,int)) memRbtreeClearTable,
    (int(*)(Btree*,int,int,BtCursor**)) memRbtreeCursor,
    (int(*)(Btree*,int*)) memRbtreeGetMeta,
    (int(*)(Btree*,int*)) memRbtreeUpdateMeta,
    (char*(*)(Btree*,int*,int)) memRbtreeIntegrityCheck,
    (const char*(*)(Btree*)) memRbtreeGetFilename,
    (int(*)(Btree*,Btree*)) memRbtreeCopyFile,
    (struct Pager*(*)(Btree*)) memRbtreePager,
#ifdef SQLITE_TEST
    (int(*)(Btree*,int,int)) memRbtreePageDump,

#endif
};

static BtCursorOps sqliteRbtreeCursorOps = {
    (int(*)(BtCursor*,const void*,int,int*)) memRbtreeMoveto,
    (int(*)(BtCursor*)) memRbtreeDelete,
    (int(*)(BtCursor*,const void*,int,const void*,int)) memRbtreeInsert,

**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains code to implement the "sqlite" command line
** utility for accessing SQLite databases.
**
** $Id: shell.c,v 1.85 2004/02/10 02:57:59 drh Exp $
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "sqlite.h"
#include <ctype.h>

*/
static const char zOptions[] = 
  "   -init filename       read/process named file\n"
  "   -echo                print commands before execution\n"
  "   -[no]header          turn headers on or off\n"
  "   -column              set output mode to 'column'\n"
  "   -html                set output mode to HTML\n"
#ifdef SQLITE_HAS_CRYPTO
  "   -key KEY             encryption key\n"
#endif                 
  "   -line                set output mode to 'line'\n"
  "   -list                set output mode to 'list'\n"
  "   -separator 'x'       set output field separator (|)\n"
  "   -nullvalue 'text'    set text string for NULL values\n"
  "   -version             show SQLite version\n"
  "   -help                show this text, also show dot-commands\n"
;