| Index: third_party/sqlite/src/test_tclvar.c
|
| ===================================================================
|
| --- third_party/sqlite/src/test_tclvar.c (revision 56608)
|
| +++ third_party/sqlite/src/test_tclvar.c (working copy)
|
| @@ -1,325 +0,0 @@
|
| -/*
|
| -** 2006 June 13
|
| -**
|
| -** 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.
|
| -**
|
| -*************************************************************************
|
| -** Code for testing the virtual table interfaces. This code
|
| -** is not included in the SQLite library. It is used for automated
|
| -** testing of the SQLite library.
|
| -**
|
| -** The emphasis of this file is a virtual table that provides
|
| -** access to TCL variables.
|
| -**
|
| -** $Id: test_tclvar.c,v 1.17 2008/08/12 14:48:41 danielk1977 Exp $
|
| -*/
|
| -#include "sqliteInt.h"
|
| -#include "tcl.h"
|
| -#include <stdlib.h>
|
| -#include <string.h>
|
| -
|
| -#ifndef SQLITE_OMIT_VIRTUALTABLE
|
| -
|
| -typedef struct tclvar_vtab tclvar_vtab;
|
| -typedef struct tclvar_cursor tclvar_cursor;
|
| -
|
| -/*
|
| -** A tclvar virtual-table object
|
| -*/
|
| -struct tclvar_vtab {
|
| - sqlite3_vtab base;
|
| - Tcl_Interp *interp;
|
| -};
|
| -
|
| -/* A tclvar cursor object */
|
| -struct tclvar_cursor {
|
| - sqlite3_vtab_cursor base;
|
| -
|
| - Tcl_Obj *pList1; /* Result of [info vars ?pattern?] */
|
| - Tcl_Obj *pList2; /* Result of [array names [lindex $pList1 $i1]] */
|
| - int i1; /* Current item in pList1 */
|
| - int i2; /* Current item (if any) in pList2 */
|
| -};
|
| -
|
| -/* Methods for the tclvar module */
|
| -static int tclvarConnect(
|
| - sqlite3 *db,
|
| - void *pAux,
|
| - int argc, const char *const*argv,
|
| - sqlite3_vtab **ppVtab,
|
| - char **pzErr
|
| -){
|
| - tclvar_vtab *pVtab;
|
| - static const char zSchema[] =
|
| - "CREATE TABLE whatever(name TEXT, arrayname TEXT, value TEXT)";
|
| - pVtab = sqlite3MallocZero( sizeof(*pVtab) );
|
| - if( pVtab==0 ) return SQLITE_NOMEM;
|
| - *ppVtab = &pVtab->base;
|
| - pVtab->interp = (Tcl_Interp *)pAux;
|
| - sqlite3_declare_vtab(db, zSchema);
|
| - return SQLITE_OK;
|
| -}
|
| -/* Note that for this virtual table, the xCreate and xConnect
|
| -** methods are identical. */
|
| -
|
| -static int tclvarDisconnect(sqlite3_vtab *pVtab){
|
| - sqlite3_free(pVtab);
|
| - return SQLITE_OK;
|
| -}
|
| -/* The xDisconnect and xDestroy methods are also the same */
|
| -
|
| -/*
|
| -** Open a new tclvar cursor.
|
| -*/
|
| -static int tclvarOpen(sqlite3_vtab *pVTab, sqlite3_vtab_cursor **ppCursor){
|
| - tclvar_cursor *pCur;
|
| - pCur = sqlite3MallocZero(sizeof(tclvar_cursor));
|
| - *ppCursor = &pCur->base;
|
| - return SQLITE_OK;
|
| -}
|
| -
|
| -/*
|
| -** Close a tclvar cursor.
|
| -*/
|
| -static int tclvarClose(sqlite3_vtab_cursor *cur){
|
| - tclvar_cursor *pCur = (tclvar_cursor *)cur;
|
| - if( pCur->pList1 ){
|
| - Tcl_DecrRefCount(pCur->pList1);
|
| - }
|
| - if( pCur->pList2 ){
|
| - Tcl_DecrRefCount(pCur->pList2);
|
| - }
|
| - sqlite3_free(pCur);
|
| - return SQLITE_OK;
|
| -}
|
| -
|
| -/*
|
| -** Returns 1 if data is ready, or 0 if not.
|
| -*/
|
| -static int next2(Tcl_Interp *interp, tclvar_cursor *pCur, Tcl_Obj *pObj){
|
| - Tcl_Obj *p;
|
| -
|
| - if( pObj ){
|
| - if( !pCur->pList2 ){
|
| - p = Tcl_NewStringObj("array names", -1);
|
| - Tcl_IncrRefCount(p);
|
| - Tcl_ListObjAppendElement(0, p, pObj);
|
| - Tcl_EvalObjEx(interp, p, TCL_EVAL_GLOBAL);
|
| - Tcl_DecrRefCount(p);
|
| - pCur->pList2 = Tcl_GetObjResult(interp);
|
| - Tcl_IncrRefCount(pCur->pList2);
|
| - assert( pCur->i2==0 );
|
| - }else{
|
| - int n = 0;
|
| - pCur->i2++;
|
| - Tcl_ListObjLength(0, pCur->pList2, &n);
|
| - if( pCur->i2>=n ){
|
| - Tcl_DecrRefCount(pCur->pList2);
|
| - pCur->pList2 = 0;
|
| - pCur->i2 = 0;
|
| - return 0;
|
| - }
|
| - }
|
| - }
|
| -
|
| - return 1;
|
| -}
|
| -
|
| -static int tclvarNext(sqlite3_vtab_cursor *cur){
|
| - Tcl_Obj *pObj;
|
| - int n = 0;
|
| - int ok = 0;
|
| -
|
| - tclvar_cursor *pCur = (tclvar_cursor *)cur;
|
| - Tcl_Interp *interp = ((tclvar_vtab *)(cur->pVtab))->interp;
|
| -
|
| - Tcl_ListObjLength(0, pCur->pList1, &n);
|
| - while( !ok && pCur->i1<n ){
|
| - Tcl_ListObjIndex(0, pCur->pList1, pCur->i1, &pObj);
|
| - ok = next2(interp, pCur, pObj);
|
| - if( !ok ){
|
| - pCur->i1++;
|
| - }
|
| - }
|
| -
|
| - return 0;
|
| -}
|
| -
|
| -static int tclvarFilter(
|
| - sqlite3_vtab_cursor *pVtabCursor,
|
| - int idxNum, const char *idxStr,
|
| - int argc, sqlite3_value **argv
|
| -){
|
| - tclvar_cursor *pCur = (tclvar_cursor *)pVtabCursor;
|
| - Tcl_Interp *interp = ((tclvar_vtab *)(pVtabCursor->pVtab))->interp;
|
| -
|
| - Tcl_Obj *p = Tcl_NewStringObj("info vars", -1);
|
| - Tcl_IncrRefCount(p);
|
| -
|
| - assert( argc==0 || argc==1 );
|
| - if( argc==1 ){
|
| - Tcl_Obj *pArg = Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1);
|
| - Tcl_ListObjAppendElement(0, p, pArg);
|
| - }
|
| - Tcl_EvalObjEx(interp, p, TCL_EVAL_GLOBAL);
|
| - pCur->pList1 = Tcl_GetObjResult(interp);
|
| - Tcl_IncrRefCount(pCur->pList1);
|
| - assert( pCur->i1==0 && pCur->i2==0 && pCur->pList2==0 );
|
| -
|
| - Tcl_DecrRefCount(p);
|
| - return tclvarNext(pVtabCursor);
|
| -}
|
| -
|
| -static int tclvarColumn(sqlite3_vtab_cursor *cur, sqlite3_context *ctx, int i){
|
| - Tcl_Obj *p1;
|
| - Tcl_Obj *p2;
|
| - const char *z1;
|
| - const char *z2 = "";
|
| - tclvar_cursor *pCur = (tclvar_cursor*)cur;
|
| - Tcl_Interp *interp = ((tclvar_vtab *)cur->pVtab)->interp;
|
| -
|
| - Tcl_ListObjIndex(interp, pCur->pList1, pCur->i1, &p1);
|
| - Tcl_ListObjIndex(interp, pCur->pList2, pCur->i2, &p2);
|
| - z1 = Tcl_GetString(p1);
|
| - if( p2 ){
|
| - z2 = Tcl_GetString(p2);
|
| - }
|
| - switch (i) {
|
| - case 0: {
|
| - sqlite3_result_text(ctx, z1, -1, SQLITE_TRANSIENT);
|
| - break;
|
| - }
|
| - case 1: {
|
| - sqlite3_result_text(ctx, z2, -1, SQLITE_TRANSIENT);
|
| - break;
|
| - }
|
| - case 2: {
|
| - Tcl_Obj *pVal = Tcl_GetVar2Ex(interp, z1, *z2?z2:0, TCL_GLOBAL_ONLY);
|
| - sqlite3_result_text(ctx, Tcl_GetString(pVal), -1, SQLITE_TRANSIENT);
|
| - break;
|
| - }
|
| - }
|
| - return SQLITE_OK;
|
| -}
|
| -
|
| -static int tclvarRowid(sqlite3_vtab_cursor *cur, sqlite_int64 *pRowid){
|
| - *pRowid = 0;
|
| - return SQLITE_OK;
|
| -}
|
| -
|
| -static int tclvarEof(sqlite3_vtab_cursor *cur){
|
| - tclvar_cursor *pCur = (tclvar_cursor*)cur;
|
| - return (pCur->pList2?0:1);
|
| -}
|
| -
|
| -static int tclvarBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){
|
| - int ii;
|
| -
|
| - for(ii=0; ii<pIdxInfo->nConstraint; ii++){
|
| - struct sqlite3_index_constraint const *pCons = &pIdxInfo->aConstraint[ii];
|
| - if( pCons->iColumn==0 && pCons->usable
|
| - && pCons->op==SQLITE_INDEX_CONSTRAINT_EQ ){
|
| - struct sqlite3_index_constraint_usage *pUsage;
|
| - pUsage = &pIdxInfo->aConstraintUsage[ii];
|
| - pUsage->omit = 0;
|
| - pUsage->argvIndex = 1;
|
| - return SQLITE_OK;
|
| - }
|
| - }
|
| -
|
| - for(ii=0; ii<pIdxInfo->nConstraint; ii++){
|
| - struct sqlite3_index_constraint const *pCons = &pIdxInfo->aConstraint[ii];
|
| - if( pCons->iColumn==0 && pCons->usable
|
| - && pCons->op==SQLITE_INDEX_CONSTRAINT_MATCH ){
|
| - struct sqlite3_index_constraint_usage *pUsage;
|
| - pUsage = &pIdxInfo->aConstraintUsage[ii];
|
| - pUsage->omit = 1;
|
| - pUsage->argvIndex = 1;
|
| - return SQLITE_OK;
|
| - }
|
| - }
|
| -
|
| - return SQLITE_OK;
|
| -}
|
| -
|
| -/*
|
| -** A virtual table module that provides read-only access to a
|
| -** Tcl global variable namespace.
|
| -*/
|
| -static sqlite3_module tclvarModule = {
|
| - 0, /* iVersion */
|
| - tclvarConnect,
|
| - tclvarConnect,
|
| - tclvarBestIndex,
|
| - tclvarDisconnect,
|
| - tclvarDisconnect,
|
| - tclvarOpen, /* xOpen - open a cursor */
|
| - tclvarClose, /* xClose - close a cursor */
|
| - tclvarFilter, /* xFilter - configure scan constraints */
|
| - tclvarNext, /* xNext - advance a cursor */
|
| - tclvarEof, /* xEof - check for end of scan */
|
| - tclvarColumn, /* xColumn - read data */
|
| - tclvarRowid, /* xRowid - read data */
|
| - 0, /* xUpdate */
|
| - 0, /* xBegin */
|
| - 0, /* xSync */
|
| - 0, /* xCommit */
|
| - 0, /* xRollback */
|
| - 0, /* xFindMethod */
|
| - 0, /* xRename */
|
| -};
|
| -
|
| -/*
|
| -** Decode a pointer to an sqlite3 object.
|
| -*/
|
| -extern int getDbPointer(Tcl_Interp *interp, const char *zA, sqlite3 **ppDb);
|
| -
|
| -/*
|
| -** Register the echo virtual table module.
|
| -*/
|
| -static int register_tclvar_module(
|
| - ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
|
| - Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
|
| - int objc, /* Number of arguments */
|
| - Tcl_Obj *CONST objv[] /* Command arguments */
|
| -){
|
| - sqlite3 *db;
|
| - if( objc!=2 ){
|
| - Tcl_WrongNumArgs(interp, 1, objv, "DB");
|
| - return TCL_ERROR;
|
| - }
|
| - if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
|
| -#ifndef SQLITE_OMIT_VIRTUALTABLE
|
| - sqlite3_create_module(db, "tclvar", &tclvarModule, (void *)interp);
|
| -#endif
|
| - return TCL_OK;
|
| -}
|
| -
|
| -#endif
|
| -
|
| -
|
| -/*
|
| -** Register commands with the TCL interpreter.
|
| -*/
|
| -int Sqlitetesttclvar_Init(Tcl_Interp *interp){
|
| -#ifndef SQLITE_OMIT_VIRTUALTABLE
|
| - static struct {
|
| - char *zName;
|
| - Tcl_ObjCmdProc *xProc;
|
| - void *clientData;
|
| - } aObjCmd[] = {
|
| - { "register_tclvar_module", register_tclvar_module, 0 },
|
| - };
|
| - int i;
|
| - for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){
|
| - Tcl_CreateObjCommand(interp, aObjCmd[i].zName,
|
| - aObjCmd[i].xProc, aObjCmd[i].clientData, 0);
|
| - }
|
| -#endif
|
| - return TCL_OK;
|
| -}
|
|
|