/*

** 2006 June 7

**

** 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.

**

*************************************************************************

** This header file defines the SQLite interface for use by

** shared libraries that want to be imported as extensions into

** an SQLite instance.  Shared libraries that intend to be loaded

** as extensions by SQLite should #include this file instead of 

** sqlite3.h.

**

** @(#) $Id: sqlite3ext.h,v 1.6 2006/08/15 14:21:16 drh Exp $

*/

#ifndef _SQLITE3EXT_H_

#define _SQLITE3EXT_H_

#include "sqlite3.h"

typedef struct sqlite3_api_routines sqlite3_api_routines;

/*

** The following structure hold pointers to all of the SQLite API

** routines.

*/

struct sqlite3_api_routines {

  void * (*aggregate_context)(sqlite3_context*,int nBytes);

  int  (*aggregate_count)(sqlite3_context*);

  int  (*bind_blob)(sqlite3_stmt*,int,const void*,int n,void(*)(void*));

  int  (*bind_double)(sqlite3_stmt*,int,double);

  int  (*bind_int)(sqlite3_stmt*,int,int);

  int  (*bind_int64)(sqlite3_stmt*,int,sqlite_int64);

  int  (*bind_null)(sqlite3_stmt*,int);

  int  (*bind_parameter_count)(sqlite3_stmt*);

  int  (*bind_parameter_index)(sqlite3_stmt*,const char*zName);

  const char * (*bind_parameter_name)(sqlite3_stmt*,int);

  int  (*bind_text)(sqlite3_stmt*,int,const char*,int n,void(*)(void*));

  int  (*bind_text16)(sqlite3_stmt*,int,const void*,int,void(*)(void*));

  int  (*bind_value)(sqlite3_stmt*,int,const sqlite3_value*);

  int  (*busy_handler)(sqlite3*,int(*)(void*,int),void*);

  int  (*busy_timeout)(sqlite3*,int ms);

  int  (*changes)(sqlite3*);

  int  (*close)(sqlite3*);

  int  (*collation_needed)(sqlite3*,void*,void(*)(void*,sqlite3*,int eTextRep,const char*));

  int  (*collation_needed16)(sqlite3*,void*,void(*)(void*,sqlite3*,int eTextRep,const void*));

  const void * (*column_blob)(sqlite3_stmt*,int iCol);

  int  (*column_bytes)(sqlite3_stmt*,int iCol);

  int  (*column_bytes16)(sqlite3_stmt*,int iCol);

  int  (*column_count)(sqlite3_stmt*pStmt);

  const char * (*column_database_name)(sqlite3_stmt*,int);

  const void * (*column_database_name16)(sqlite3_stmt*,int);

  const char * (*column_decltype)(sqlite3_stmt*,int i);

  const void * (*column_decltype16)(sqlite3_stmt*,int);

  double  (*column_double)(sqlite3_stmt*,int iCol);

  int  (*column_int)(sqlite3_stmt*,int iCol);

  sqlite_int64  (*column_int64)(sqlite3_stmt*,int iCol);

  const char * (*column_name)(sqlite3_stmt*,int);

  const void * (*column_name16)(sqlite3_stmt*,int);

  const char * (*column_origin_name)(sqlite3_stmt*,int);

  const void * (*column_origin_name16)(sqlite3_stmt*,int);

  const char * (*column_table_name)(sqlite3_stmt*,int);

  const void * (*column_table_name16)(sqlite3_stmt*,int);

  const unsigned char * (*column_text)(sqlite3_stmt*,int iCol);

  const void * (*column_text16)(sqlite3_stmt*,int iCol);

  int  (*column_type)(sqlite3_stmt*,int iCol);

  sqlite3_value* (*column_value)(sqlite3_stmt*,int iCol);

  void * (*commit_hook)(sqlite3*,int(*)(void*),void*);

  int  (*complete)(const char*sql);

  int  (*complete16)(const void*sql);

  int  (*create_collation)(sqlite3*,const char*,int,void*,int(*)(void*,int,const void*,int,const void*));

  int  (*create_collation16)(sqlite3*,const char*,int,void*,int(*)(void*,int,const void*,int,const void*));

  int  (*create_function)(sqlite3*,const char*,int,int,void*,void (*xFunc)(sqlite3_context*,int,sqlite3_value**),void (*xStep)(sqlite3_context*,int,sqlite3_value**),void (*xFinal)(sqlite3_context*));

  int  (*create_function16)(sqlite3*,const void*,int,int,void*,void (*xFunc)(sqlite3_context*,int,sqlite3_value**),void (*xStep)(sqlite3_context*,int,sqlite3_value**),void (*xFinal)(sqlite3_context*));

  int (*create_module)(sqlite3*,const char*,const sqlite3_module*,void*);

  int  (*data_count)(sqlite3_stmt*pStmt);

  sqlite3 * (*db_handle)(sqlite3_stmt*);

  int (*declare_vtab)(sqlite3*,const char*);

  int  (*enable_shared_cache)(int);

  int  (*errcode)(sqlite3*db);

  const char * (*errmsg)(sqlite3*);

  const void * (*errmsg16)(sqlite3*);

  int  (*exec)(sqlite3*,const char*,sqlite3_callback,void*,char**);

  int  (*expired)(sqlite3_stmt*);

  int  (*finalize)(sqlite3_stmt*pStmt);

  void  (*free)(void*);

  void  (*free_table)(char**result);

  int  (*get_autocommit)(sqlite3*);

  void * (*get_auxdata)(sqlite3_context*,int);

  int  (*get_table)(sqlite3*,const char*,char***,int*,int*,char**);

  int  (*global_recover)(void);

  void  (*interrupt)(sqlite3*);

  sqlite_int64  (*last_insert_rowid)(sqlite3*);

  const char * (*libversion)(void);

  int  (*libversion_number)(void);

  void *(*malloc)(int);

  char * (*mprintf)(const char*,...);

  int  (*open)(const char*,sqlite3**);

  int  (*open16)(const void*,sqlite3**);

  int  (*prepare)(sqlite3*,const char*,int,sqlite3_stmt**,const char**);

  int  (*prepare16)(sqlite3*,const void*,int,sqlite3_stmt**,const void**);

  void * (*profile)(sqlite3*,void(*)(void*,const char*,sqlite_uint64),void*);

  void  (*progress_handler)(sqlite3*,int,int(*)(void*),void*);

  void *(*realloc)(void*,int);

  int  (*reset)(sqlite3_stmt*pStmt);

  void  (*result_blob)(sqlite3_context*,const void*,int,void(*)(void*));

  void  (*result_double)(sqlite3_context*,double);

  void  (*result_error)(sqlite3_context*,const char*,int);

  void  (*result_error16)(sqlite3_context*,const void*,int);

  void  (*result_int)(sqlite3_context*,int);

  void  (*result_int64)(sqlite3_context*,sqlite_int64);

  void  (*result_null)(sqlite3_context*);

  void  (*result_text)(sqlite3_context*,const char*,int,void(*)(void*));

  void  (*result_text16)(sqlite3_context*,const void*,int,void(*)(void*));

  void  (*result_text16be)(sqlite3_context*,const void*,int,void(*)(void*));

  void  (*result_text16le)(sqlite3_context*,const void*,int,void(*)(void*));

  void  (*result_value)(sqlite3_context*,sqlite3_value*);

  void * (*rollback_hook)(sqlite3*,void(*)(void*),void*);

  int  (*set_authorizer)(sqlite3*,int(*)(void*,int,const char*,const char*,const char*,const char*),void*);

  void  (*set_auxdata)(sqlite3_context*,int,void*,void (*)(void*));

  char * (*snprintf)(int,char*,const char*,...);

  int  (*step)(sqlite3_stmt*);

  int  (*table_column_metadata)(sqlite3*,const char*,const char*,const char*,char const**,char const**,int*,int*,int*);

  void  (*thread_cleanup)(void);

  int  (*total_changes)(sqlite3*);

  void * (*trace)(sqlite3*,void(*xTrace)(void*,const char*),void*);

  int  (*transfer_bindings)(sqlite3_stmt*,sqlite3_stmt*);

  void * (*update_hook)(sqlite3*,void(*)(void*,int ,char const*,char const*,sqlite_int64),void*);

  void * (*user_data)(sqlite3_context*);

  const void * (*value_blob)(sqlite3_value*);

  int  (*value_bytes)(sqlite3_value*);

  int  (*value_bytes16)(sqlite3_value*);

  double  (*value_double)(sqlite3_value*);

  int  (*value_int)(sqlite3_value*);

  sqlite_int64  (*value_int64)(sqlite3_value*);

  int  (*value_numeric_type)(sqlite3_value*);

  const unsigned char * (*value_text)(sqlite3_value*);

  const void * (*value_text16)(sqlite3_value*);

  const void * (*value_text16be)(sqlite3_value*);

  const void * (*value_text16le)(sqlite3_value*);

  int  (*value_type)(sqlite3_value*);

  char * (*vmprintf)(const char*,va_list);

};

/*

** The following macros redefine the API routines so that they are

** redirected throught the global sqlite3_api structure.

**

** This header file is also used by the loadext.c source file

** (part of the main SQLite library - not an extension) so that

** it can get access to the sqlite3_api_routines structure

** definition.  But the main library does not want to redefine

** the API.  So the redefinition macros are only valid if the

** SQLITE_CORE macros is undefined.

*/

#ifndef SQLITE_CORE

#define sqlite3_aggregate_context      sqlite3_api->aggregate_context

#define sqlite3_aggregate_count        sqlite3_api->aggregate_count

#define sqlite3_bind_blob              sqlite3_api->bind_blob

#define sqlite3_bind_double            sqlite3_api->bind_double

#define sqlite3_bind_int               sqlite3_api->bind_int

#define sqlite3_bind_int64             sqlite3_api->bind_int64

#define sqlite3_bind_null              sqlite3_api->bind_null

#define sqlite3_bind_parameter_count   sqlite3_api->bind_parameter_count

#define sqlite3_bind_parameter_index   sqlite3_api->bind_parameter_index

#define sqlite3_bind_parameter_name    sqlite3_api->bind_parameter_name

#define sqlite3_bind_text              sqlite3_api->bind_text

#define sqlite3_bind_text16            sqlite3_api->bind_text16

#define sqlite3_bind_value             sqlite3_api->bind_value

#define sqlite3_busy_handler           sqlite3_api->busy_handler

#define sqlite3_busy_timeout           sqlite3_api->busy_timeout

#define sqlite3_changes                sqlite3_api->changes

#define sqlite3_close                  sqlite3_api->close

#define sqlite3_collation_needed       sqlite3_api->collation_needed

#define sqlite3_collation_needed16     sqlite3_api->collation_needed16

#define sqlite3_column_blob            sqlite3_api->column_blob

#define sqlite3_column_bytes           sqlite3_api->column_bytes

#define sqlite3_column_bytes16         sqlite3_api->column_bytes16

#define sqlite3_column_count           sqlite3_api->column_count

#define sqlite3_column_database_name   sqlite3_api->column_database_name

#define sqlite3_column_database_name16 sqlite3_api->column_database_name16

#define sqlite3_column_decltype        sqlite3_api->column_decltype

#define sqlite3_column_decltype16      sqlite3_api->column_decltype16

#define sqlite3_column_double          sqlite3_api->column_double

#define sqlite3_column_int             sqlite3_api->column_int

#define sqlite3_column_int64           sqlite3_api->column_int64

#define sqlite3_column_name            sqlite3_api->column_name

#define sqlite3_column_name16          sqlite3_api->column_name16

#define sqlite3_column_origin_name     sqlite3_api->column_origin_name

#define sqlite3_column_origin_name16   sqlite3_api->column_origin_name16

#define sqlite3_column_table_name      sqlite3_api->column_table_name

#define sqlite3_column_table_name16    sqlite3_api->column_table_name16

#define sqlite3_column_text            sqlite3_api->column_text

#define sqlite3_column_text16          sqlite3_api->column_text16

#define sqlite3_column_type            sqlite3_api->column_type

#define sqlite3_column_value           sqlite3_api->column_value

#define sqlite3_commit_hook            sqlite3_api->commit_hook

#define sqlite3_complete               sqlite3_api->complete

#define sqlite3_complete16             sqlite3_api->complete16

#define sqlite3_create_collation       sqlite3_api->create_collation

#define sqlite3_create_collation16     sqlite3_api->create_collation16

#define sqlite3_create_function        sqlite3_api->create_function

#define sqlite3_create_function16      sqlite3_api->create_function16

#define sqlite3_create_module          sqlite3_api->create_module

#define sqlite3_data_count             sqlite3_api->data_count

#define sqlite3_db_handle              sqlite3_api->db_handle

#define sqlite3_declare_vtab           sqlite3_api->declare_vtab

#define sqlite3_enable_shared_cache    sqlite3_api->enable_shared_cache

#define sqlite3_errcode                sqlite3_api->errcode

#define sqlite3_errmsg                 sqlite3_api->errmsg

#define sqlite3_errmsg16               sqlite3_api->errmsg16

#define sqlite3_exec                   sqlite3_api->exec

#define sqlite3_expired                sqlite3_api->expired

#define sqlite3_finalize               sqlite3_api->finalize

#define sqlite3_free                   sqlite3_api->free

#define sqlite3_free_table             sqlite3_api->free_table

#define sqlite3_get_autocommit         sqlite3_api->get_autocommit

#define sqlite3_get_auxdata            sqlite3_api->get_auxdata

#define sqlite3_get_table              sqlite3_api->get_table

#define sqlite3_global_recover         sqlite3_api->global_recover

#define sqlite3_interrupt              sqlite3_api->interrupt

#define sqlite3_last_insert_rowid      sqlite3_api->last_insert_rowid

#define sqlite3_libversion             sqlite3_api->libversion

#define sqlite3_libversion_number      sqlite3_api->libversion_number

#define sqlite3_malloc                 sqlite3_api->malloc

#define sqlite3_mprintf                sqlite3_api->mprintf

#define sqlite3_open                   sqlite3_api->open

#define sqlite3_open16                 sqlite3_api->open16

#define sqlite3_prepare                sqlite3_api->prepare

#define sqlite3_prepare16              sqlite3_api->prepare16

#define sqlite3_profile                sqlite3_api->profile

#define sqlite3_progress_handler       sqlite3_api->progress_handler

#define sqlite3_realloc                sqlite3_api->realloc

#define sqlite3_reset                  sqlite3_api->reset

#define sqlite3_result_blob            sqlite3_api->result_blob

#define sqlite3_result_double          sqlite3_api->result_double

#define sqlite3_result_error           sqlite3_api->result_error

#define sqlite3_result_error16         sqlite3_api->result_error16

#define sqlite3_result_int             sqlite3_api->result_int

#define sqlite3_result_int64           sqlite3_api->result_int64

#define sqlite3_result_null            sqlite3_api->result_null

#define sqlite3_result_text            sqlite3_api->result_text

#define sqlite3_result_text16          sqlite3_api->result_text16

#define sqlite3_result_text16be        sqlite3_api->result_text16be

#define sqlite3_result_text16le        sqlite3_api->result_text16le

#define sqlite3_result_value           sqlite3_api->result_value

#define sqlite3_rollback_hook          sqlite3_api->rollback_hook

#define sqlite3_set_authorizer         sqlite3_api->set_authorizer

#define sqlite3_set_auxdata            sqlite3_api->set_auxdata

#define sqlite3_snprintf               sqlite3_api->snprintf

#define sqlite3_step                   sqlite3_api->step

#define sqlite3_table_column_metadata  sqlite3_api->table_column_metadata

#define sqlite3_thread_cleanup         sqlite3_api->thread_cleanup

#define sqlite3_total_changes          sqlite3_api->total_changes

#define sqlite3_trace                  sqlite3_api->trace

#define sqlite3_transfer_bindings      sqlite3_api->transfer_bindings

#define sqlite3_update_hook            sqlite3_api->update_hook

#define sqlite3_user_data              sqlite3_api->user_data

#define sqlite3_value_blob             sqlite3_api->value_blob

#define sqlite3_value_bytes            sqlite3_api->value_bytes

#define sqlite3_value_bytes16          sqlite3_api->value_bytes16

#define sqlite3_value_double           sqlite3_api->value_double

#define sqlite3_value_int              sqlite3_api->value_int

#define sqlite3_value_int64            sqlite3_api->value_int64

#define sqlite3_value_numeric_type     sqlite3_api->value_numeric_type

#define sqlite3_value_text             sqlite3_api->value_text

#define sqlite3_value_text16           sqlite3_api->value_text16

#define sqlite3_value_text16be         sqlite3_api->value_text16be

#define sqlite3_value_text16le         sqlite3_api->value_text16le

#define sqlite3_value_type             sqlite3_api->value_type

#define sqlite3_vmprintf               sqlite3_api->vmprintf

#endif /* SQLITE_CORE */

#define SQLITE_EXTENSION_INIT1     const sqlite3_api_routines *sqlite3_api;

#define SQLITE_EXTENSION_INIT2(v)  sqlite3_api = v;

#endif /* _SQLITE3EXT_H_ */