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220 lines (199 loc) · 5.4 KB
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/*
** 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.
**
*************************************************************************
** Code for testing the utf.c module in SQLite. This code
** is not included in the SQLite library. It is used for automated
** testing of the SQLite library. Specifically, the code in this file
** is used for testing the SQLite routines for converting between
** the various supported unicode encodings.
*/
#include "sqliteInt.h"
#include "vdbeInt.h"
#if defined(INCLUDE_SQLITE_TCL_H)
# include "sqlite_tcl.h"
#else
# include "tcl.h"
#endif
#include <stdlib.h>
#include <string.h>
/*
** The first argument is a TCL UTF-8 string. Return the byte array
** object with the encoded representation of the string, including
** the NULL terminator.
*/
static int SQLITE_TCLAPI binarize(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
int len;
char *bytes;
Tcl_Obj *pRet;
assert(objc==2);
bytes = Tcl_GetStringFromObj(objv[1], &len);
pRet = Tcl_NewByteArrayObj((u8*)bytes, len+1);
Tcl_SetObjResult(interp, pRet);
return TCL_OK;
}
/*
** Usage: test_value_overhead <repeat-count> <do-calls>.
**
** This routine is used to test the overhead of calls to
** sqlite3_value_text(), on a value that contains a UTF-8 string. The idea
** is to figure out whether or not it is a problem to use sqlite3_value
** structures with collation sequence functions.
**
** If <do-calls> is 0, then the calls to sqlite3_value_text() are not
** actually made.
*/
static int SQLITE_TCLAPI test_value_overhead(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
int do_calls;
int repeat_count;
int i;
Mem val;
if( objc!=3 ){
Tcl_AppendResult(interp, "wrong # args: should be \"",
Tcl_GetStringFromObj(objv[0], 0), " <repeat-count> <do-calls>", 0);
return TCL_ERROR;
}
if( Tcl_GetIntFromObj(interp, objv[1], &repeat_count) ) return TCL_ERROR;
if( Tcl_GetIntFromObj(interp, objv[2], &do_calls) ) return TCL_ERROR;
val.flags = MEM_Str|MEM_Term|MEM_Static;
val.z = "hello world";
val.enc = SQLITE_UTF8;
for(i=0; i<repeat_count; i++){
if( do_calls ){
sqlite3_value_text(&val);
}
}
return TCL_OK;
}
static u8 name_to_enc(Tcl_Interp *interp, Tcl_Obj *pObj){
struct EncName {
char *zName;
u8 enc;
} encnames[] = {
{ "UTF8", SQLITE_UTF8 },
{ "UTF16LE", SQLITE_UTF16LE },
{ "UTF16BE", SQLITE_UTF16BE },
{ "UTF16", SQLITE_UTF16 },
{ 0, 0 }
};
struct EncName *pEnc;
char *z = Tcl_GetString(pObj);
for(pEnc=&encnames[0]; pEnc->zName; pEnc++){
if( 0==sqlite3StrICmp(z, pEnc->zName) ){
break;
}
}
if( !pEnc->enc ){
Tcl_AppendResult(interp, "No such encoding: ", z, 0);
}
if( pEnc->enc==SQLITE_UTF16 ){
return SQLITE_UTF16NATIVE;
}
return pEnc->enc;
}
/*
** Usage: test_translate <string/blob> <from enc> <to enc> ?<transient>?
**
*/
static int SQLITE_TCLAPI test_translate(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
u8 enc_from;
u8 enc_to;
sqlite3_value *pVal;
char *z;
int len;
void (*xDel)(void *p) = SQLITE_STATIC;
if( objc!=4 && objc!=5 ){
Tcl_AppendResult(interp, "wrong # args: should be \"",
Tcl_GetStringFromObj(objv[0], 0),
" <string/blob> <from enc> <to enc>", 0
);
return TCL_ERROR;
}
if( objc==5 ){
xDel = sqlite3_free;
}
enc_from = name_to_enc(interp, objv[2]);
if( !enc_from ) return TCL_ERROR;
enc_to = name_to_enc(interp, objv[3]);
if( !enc_to ) return TCL_ERROR;
pVal = sqlite3ValueNew(0);
if( enc_from==SQLITE_UTF8 ){
z = Tcl_GetString(objv[1]);
if( objc==5 ){
z = sqlite3_mprintf("%s", z);
}
sqlite3ValueSetStr(pVal, -1, z, enc_from, xDel);
}else{
z = (char*)Tcl_GetByteArrayFromObj(objv[1], &len);
if( objc==5 ){
char *zTmp = z;
z = sqlite3_malloc(len);
memcpy(z, zTmp, len);
}
sqlite3ValueSetStr(pVal, -1, z, enc_from, xDel);
}
z = (char *)sqlite3ValueText(pVal, enc_to);
len = sqlite3ValueBytes(pVal, enc_to) + (enc_to==SQLITE_UTF8?1:2);
Tcl_SetObjResult(interp, Tcl_NewByteArrayObj((u8*)z, len));
sqlite3ValueFree(pVal);
return TCL_OK;
}
/*
** Usage: translate_selftest
**
** Call sqlite3UtfSelfTest() to run the internal tests for unicode
** translation. If there is a problem an assert() will fail.
**/
void sqlite3UtfSelfTest(void);
static int SQLITE_TCLAPI test_translate_selftest(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
#ifndef SQLITE_OMIT_UTF16
sqlite3UtfSelfTest();
#endif
return SQLITE_OK;
}
/*
** Register commands with the TCL interpreter.
*/
int Sqlitetest5_Init(Tcl_Interp *interp){
static struct {
char *zName;
Tcl_ObjCmdProc *xProc;
} aCmd[] = {
{ "binarize", (Tcl_ObjCmdProc*)binarize },
{ "test_value_overhead", (Tcl_ObjCmdProc*)test_value_overhead },
{ "test_translate", (Tcl_ObjCmdProc*)test_translate },
{ "translate_selftest", (Tcl_ObjCmdProc*)test_translate_selftest},
};
int i;
for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
Tcl_CreateObjCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0);
}
return SQLITE_OK;
}