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Unified Diff: third_party/sqlite/sqlite-src-3100200/ext/fts5/fts5_tcl.c

Issue 2846743003: [sql] Remove SQLite 3.10.2 reference directory. (Closed)
Patch Set: Created 3 years, 8 months ago
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Index: third_party/sqlite/sqlite-src-3100200/ext/fts5/fts5_tcl.c
diff --git a/third_party/sqlite/sqlite-src-3100200/ext/fts5/fts5_tcl.c b/third_party/sqlite/sqlite-src-3100200/ext/fts5/fts5_tcl.c
deleted file mode 100644
index b470c557d32890a0adfdeb02c596e98e63ef6a73..0000000000000000000000000000000000000000
--- a/third_party/sqlite/sqlite-src-3100200/ext/fts5/fts5_tcl.c
+++ /dev/null
@@ -1,1060 +0,0 @@
-/*
-** 2014 Dec 01
-**
-** 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.
-**
-******************************************************************************
-**
-*/
-
-
-#ifdef SQLITE_TEST
-#include <tcl.h>
-
-#ifdef SQLITE_ENABLE_FTS5
-
-#include "fts5.h"
-#include <string.h>
-#include <assert.h>
-
-extern int sqlite3_fts5_may_be_corrupt;
-extern int sqlite3Fts5TestRegisterMatchinfo(sqlite3 *);
-
-/*************************************************************************
-** This is a copy of the first part of the SqliteDb structure in
-** tclsqlite.c. We need it here so that the get_sqlite_pointer routine
-** can extract the sqlite3* pointer from an existing Tcl SQLite
-** connection.
-*/
-
-extern const char *sqlite3ErrName(int);
-
-struct SqliteDb {
- sqlite3 *db;
-};
-
-/*
-** Decode a pointer to an sqlite3 object.
-*/
-static int f5tDbPointer(Tcl_Interp *interp, Tcl_Obj *pObj, sqlite3 **ppDb){
- struct SqliteDb *p;
- Tcl_CmdInfo cmdInfo;
- char *z = Tcl_GetString(pObj);
- if( Tcl_GetCommandInfo(interp, z, &cmdInfo) ){
- p = (struct SqliteDb*)cmdInfo.objClientData;
- *ppDb = p->db;
- return TCL_OK;
- }
- return TCL_ERROR;
-}
-
-/* End of code that accesses the SqliteDb struct.
-**************************************************************************/
-
-static int f5tResultToErrorCode(const char *zRes){
- struct ErrorCode {
- int rc;
- const char *zError;
- } aErr[] = {
- { SQLITE_DONE, "SQLITE_DONE" },
- { SQLITE_ERROR, "SQLITE_ERROR" },
- { SQLITE_OK, "SQLITE_OK" },
- { SQLITE_OK, "" },
- };
- int i;
-
- for(i=0; i<sizeof(aErr)/sizeof(aErr[0]); i++){
- if( 0==sqlite3_stricmp(zRes, aErr[i].zError) ){
- return aErr[i].rc;
- }
- }
-
- return SQLITE_ERROR;
-}
-
-static int f5tDbAndApi(
- Tcl_Interp *interp,
- Tcl_Obj *pObj,
- sqlite3 **ppDb,
- fts5_api **ppApi
-){
- sqlite3 *db = 0;
- int rc = f5tDbPointer(interp, pObj, &db);
- if( rc!=TCL_OK ){
- return TCL_ERROR;
- }else{
- sqlite3_stmt *pStmt = 0;
- fts5_api *pApi = 0;
-
- rc = sqlite3_prepare_v2(db, "SELECT fts5()", -1, &pStmt, 0);
- if( rc!=SQLITE_OK ){
- Tcl_AppendResult(interp, "error: ", sqlite3_errmsg(db), 0);
- return TCL_ERROR;
- }
-
- if( SQLITE_ROW==sqlite3_step(pStmt) ){
- const void *pPtr = sqlite3_column_blob(pStmt, 0);
- memcpy((void*)&pApi, pPtr, sizeof(pApi));
- }
-
- if( sqlite3_finalize(pStmt)!=SQLITE_OK ){
- Tcl_AppendResult(interp, "error: ", sqlite3_errmsg(db), 0);
- return TCL_ERROR;
- }
-
- *ppDb = db;
- *ppApi = pApi;
- }
-
- return TCL_OK;
-}
-
-typedef struct F5tFunction F5tFunction;
-struct F5tFunction {
- Tcl_Interp *interp;
- Tcl_Obj *pScript;
-};
-
-typedef struct F5tApi F5tApi;
-struct F5tApi {
- const Fts5ExtensionApi *pApi;
- Fts5Context *pFts;
-};
-
-/*
-** An object of this type is used with the xSetAuxdata() and xGetAuxdata()
-** API test wrappers. The tcl interface allows a single tcl value to be
-** saved using xSetAuxdata(). Instead of simply storing a pointer to the
-** tcl object, the code in this file wraps it in an sqlite3_malloc'd
-** instance of the following struct so that if the destructor is not
-** correctly invoked it will be reported as an SQLite memory leak.
-*/
-typedef struct F5tAuxData F5tAuxData;
-struct F5tAuxData {
- Tcl_Obj *pObj;
-};
-
-static int xTokenizeCb(
- void *pCtx,
- int tflags,
- const char *zToken, int nToken,
- int iStart, int iEnd
-){
- F5tFunction *p = (F5tFunction*)pCtx;
- Tcl_Obj *pEval = Tcl_DuplicateObj(p->pScript);
- int rc;
-
- Tcl_IncrRefCount(pEval);
- Tcl_ListObjAppendElement(p->interp, pEval, Tcl_NewStringObj(zToken, nToken));
- Tcl_ListObjAppendElement(p->interp, pEval, Tcl_NewIntObj(iStart));
- Tcl_ListObjAppendElement(p->interp, pEval, Tcl_NewIntObj(iEnd));
-
- rc = Tcl_EvalObjEx(p->interp, pEval, 0);
- Tcl_DecrRefCount(pEval);
- if( rc==TCL_OK ){
- rc = f5tResultToErrorCode(Tcl_GetStringResult(p->interp));
- }
-
- return rc;
-}
-
-static int xF5tApi(void*, Tcl_Interp*, int, Tcl_Obj *CONST []);
-
-static int xQueryPhraseCb(
- const Fts5ExtensionApi *pApi,
- Fts5Context *pFts,
- void *pCtx
-){
- F5tFunction *p = (F5tFunction*)pCtx;
- static sqlite3_int64 iCmd = 0;
- Tcl_Obj *pEval;
- int rc;
-
- char zCmd[64];
- F5tApi sApi;
-
- sApi.pApi = pApi;
- sApi.pFts = pFts;
- sprintf(zCmd, "f5t_2_%lld", iCmd++);
- Tcl_CreateObjCommand(p->interp, zCmd, xF5tApi, &sApi, 0);
-
- pEval = Tcl_DuplicateObj(p->pScript);
- Tcl_IncrRefCount(pEval);
- Tcl_ListObjAppendElement(p->interp, pEval, Tcl_NewStringObj(zCmd, -1));
- rc = Tcl_EvalObjEx(p->interp, pEval, 0);
- Tcl_DecrRefCount(pEval);
- Tcl_DeleteCommand(p->interp, zCmd);
-
- if( rc==TCL_OK ){
- rc = f5tResultToErrorCode(Tcl_GetStringResult(p->interp));
- }
-
- return rc;
-}
-
-static void xSetAuxdataDestructor(void *p){
- F5tAuxData *pData = (F5tAuxData*)p;
- Tcl_DecrRefCount(pData->pObj);
- sqlite3_free(pData);
-}
-
-/*
-** api sub-command...
-**
-** Description...
-*/
-static int xF5tApi(
- void * clientData,
- Tcl_Interp *interp,
- int objc,
- Tcl_Obj *CONST objv[]
-){
- struct Sub {
- const char *zName;
- int nArg;
- const char *zMsg;
- } aSub[] = {
- { "xColumnCount", 0, "" }, /* 0 */
- { "xRowCount", 0, "" }, /* 1 */
- { "xColumnTotalSize", 1, "COL" }, /* 2 */
- { "xTokenize", 2, "TEXT SCRIPT" }, /* 3 */
- { "xPhraseCount", 0, "" }, /* 4 */
- { "xPhraseSize", 1, "PHRASE" }, /* 5 */
- { "xInstCount", 0, "" }, /* 6 */
- { "xInst", 1, "IDX" }, /* 7 */
- { "xRowid", 0, "" }, /* 8 */
- { "xColumnText", 1, "COL" }, /* 9 */
- { "xColumnSize", 1, "COL" }, /* 10 */
- { "xQueryPhrase", 2, "PHRASE SCRIPT" }, /* 11 */
- { "xSetAuxdata", 1, "VALUE" }, /* 12 */
- { "xGetAuxdata", 1, "CLEAR" }, /* 13 */
- { "xSetAuxdataInt", 1, "INTEGER" }, /* 14 */
- { "xGetAuxdataInt", 1, "CLEAR" }, /* 15 */
- { 0, 0, 0}
- };
-
- int rc;
- int iSub = 0;
- F5tApi *p = (F5tApi*)clientData;
-
- if( objc<2 ){
- Tcl_WrongNumArgs(interp, 1, objv, "SUB-COMMAND");
- return TCL_ERROR;
- }
-
- rc = Tcl_GetIndexFromObjStruct(
- interp, objv[1], aSub, sizeof(aSub[0]), "SUB-COMMAND", 0, &iSub
- );
- if( rc!=TCL_OK ) return rc;
- if( aSub[iSub].nArg!=objc-2 ){
- Tcl_WrongNumArgs(interp, 1, objv, aSub[iSub].zMsg);
- return TCL_ERROR;
- }
-
-#define CASE(i,str) case i: assert( strcmp(aSub[i].zName, str)==0 );
- switch( iSub ){
- CASE(0, "xColumnCount") {
- int nCol;
- nCol = p->pApi->xColumnCount(p->pFts);
- if( rc==SQLITE_OK ){
- Tcl_SetObjResult(interp, Tcl_NewIntObj(nCol));
- }
- break;
- }
- CASE(1, "xRowCount") {
- sqlite3_int64 nRow;
- rc = p->pApi->xRowCount(p->pFts, &nRow);
- if( rc==SQLITE_OK ){
- Tcl_SetObjResult(interp, Tcl_NewWideIntObj(nRow));
- }
- break;
- }
- CASE(2, "xColumnTotalSize") {
- int iCol;
- sqlite3_int64 nSize;
- if( Tcl_GetIntFromObj(interp, objv[2], &iCol) ) return TCL_ERROR;
- rc = p->pApi->xColumnTotalSize(p->pFts, iCol, &nSize);
- if( rc==SQLITE_OK ){
- Tcl_SetObjResult(interp, Tcl_NewWideIntObj(nSize));
- }
- break;
- }
- CASE(3, "xTokenize") {
- int nText;
- char *zText = Tcl_GetStringFromObj(objv[2], &nText);
- F5tFunction ctx;
- ctx.interp = interp;
- ctx.pScript = objv[3];
- rc = p->pApi->xTokenize(p->pFts, zText, nText, &ctx, xTokenizeCb);
- if( rc==SQLITE_OK ){
- Tcl_ResetResult(interp);
- }
- return rc;
- }
- CASE(4, "xPhraseCount") {
- int nPhrase;
- nPhrase = p->pApi->xPhraseCount(p->pFts);
- if( rc==SQLITE_OK ){
- Tcl_SetObjResult(interp, Tcl_NewIntObj(nPhrase));
- }
- break;
- }
- CASE(5, "xPhraseSize") {
- int iPhrase;
- int sz;
- if( Tcl_GetIntFromObj(interp, objv[2], &iPhrase) ){
- return TCL_ERROR;
- }
- sz = p->pApi->xPhraseSize(p->pFts, iPhrase);
- if( rc==SQLITE_OK ){
- Tcl_SetObjResult(interp, Tcl_NewIntObj(sz));
- }
- break;
- }
- CASE(6, "xInstCount") {
- int nInst;
- rc = p->pApi->xInstCount(p->pFts, &nInst);
- if( rc==SQLITE_OK ){
- Tcl_SetObjResult(interp, Tcl_NewIntObj(nInst));
- }
- break;
- }
- CASE(7, "xInst") {
- int iIdx, ip, ic, io;
- if( Tcl_GetIntFromObj(interp, objv[2], &iIdx) ){
- return TCL_ERROR;
- }
- rc = p->pApi->xInst(p->pFts, iIdx, &ip, &ic, &io);
- if( rc==SQLITE_OK ){
- Tcl_Obj *pList = Tcl_NewObj();
- Tcl_ListObjAppendElement(interp, pList, Tcl_NewIntObj(ip));
- Tcl_ListObjAppendElement(interp, pList, Tcl_NewIntObj(ic));
- Tcl_ListObjAppendElement(interp, pList, Tcl_NewIntObj(io));
- Tcl_SetObjResult(interp, pList);
- }
- break;
- }
- CASE(8, "xRowid") {
- sqlite3_int64 iRowid = p->pApi->xRowid(p->pFts);
- Tcl_SetObjResult(interp, Tcl_NewWideIntObj(iRowid));
- break;
- }
- CASE(9, "xColumnText") {
- const char *z = 0;
- int n = 0;
- int iCol;
- if( Tcl_GetIntFromObj(interp, objv[2], &iCol) ){
- return TCL_ERROR;
- }
- rc = p->pApi->xColumnText(p->pFts, iCol, &z, &n);
- if( rc==SQLITE_OK ){
- Tcl_SetObjResult(interp, Tcl_NewStringObj(z, n));
- }
- break;
- }
- CASE(10, "xColumnSize") {
- int n = 0;
- int iCol;
- if( Tcl_GetIntFromObj(interp, objv[2], &iCol) ){
- return TCL_ERROR;
- }
- rc = p->pApi->xColumnSize(p->pFts, iCol, &n);
- if( rc==SQLITE_OK ){
- Tcl_SetObjResult(interp, Tcl_NewIntObj(n));
- }
- break;
- }
- CASE(11, "xQueryPhrase") {
- int iPhrase;
- F5tFunction ctx;
- if( Tcl_GetIntFromObj(interp, objv[2], &iPhrase) ){
- return TCL_ERROR;
- }
- ctx.interp = interp;
- ctx.pScript = objv[3];
- rc = p->pApi->xQueryPhrase(p->pFts, iPhrase, &ctx, xQueryPhraseCb);
- if( rc==SQLITE_OK ){
- Tcl_ResetResult(interp);
- }
- break;
- }
- CASE(12, "xSetAuxdata") {
- F5tAuxData *pData = (F5tAuxData*)sqlite3_malloc(sizeof(F5tAuxData));
- if( pData==0 ){
- Tcl_AppendResult(interp, "out of memory", 0);
- return TCL_ERROR;
- }
- pData->pObj = objv[2];
- Tcl_IncrRefCount(pData->pObj);
- rc = p->pApi->xSetAuxdata(p->pFts, pData, xSetAuxdataDestructor);
- break;
- }
- CASE(13, "xGetAuxdata") {
- F5tAuxData *pData;
- int bClear;
- if( Tcl_GetBooleanFromObj(interp, objv[2], &bClear) ){
- return TCL_ERROR;
- }
- pData = (F5tAuxData*)p->pApi->xGetAuxdata(p->pFts, bClear);
- if( pData==0 ){
- Tcl_ResetResult(interp);
- }else{
- Tcl_SetObjResult(interp, pData->pObj);
- if( bClear ){
- xSetAuxdataDestructor((void*)pData);
- }
- }
- break;
- }
-
- /* These two - xSetAuxdataInt and xGetAuxdataInt - are similar to the
- ** xSetAuxdata and xGetAuxdata methods implemented above. The difference
- ** is that they may only save an integer value as auxiliary data, and
- ** do not specify a destructor function. */
- CASE(14, "xSetAuxdataInt") {
- int iVal;
- if( Tcl_GetIntFromObj(interp, objv[2], &iVal) ) return TCL_ERROR;
- rc = p->pApi->xSetAuxdata(p->pFts, (void*)((char*)0 + iVal), 0);
- break;
- }
- CASE(15, "xGetAuxdataInt") {
- int iVal;
- int bClear;
- if( Tcl_GetBooleanFromObj(interp, objv[2], &bClear) ) return TCL_ERROR;
- iVal = ((char*)p->pApi->xGetAuxdata(p->pFts, bClear) - (char*)0);
- Tcl_SetObjResult(interp, Tcl_NewIntObj(iVal));
- break;
- }
-
- default:
- assert( 0 );
- break;
- }
-#undef CASE
-
- if( rc!=SQLITE_OK ){
- Tcl_SetResult(interp, (char*)sqlite3ErrName(rc), TCL_VOLATILE);
- return TCL_ERROR;
- }
-
- return TCL_OK;
-}
-
-static void xF5tFunction(
- const Fts5ExtensionApi *pApi, /* API offered by current FTS version */
- Fts5Context *pFts, /* First arg to pass to pApi functions */
- sqlite3_context *pCtx, /* Context for returning result/error */
- int nVal, /* Number of values in apVal[] array */
- sqlite3_value **apVal /* Array of trailing arguments */
-){
- F5tFunction *p = (F5tFunction*)pApi->xUserData(pFts);
- Tcl_Obj *pEval; /* Script to evaluate */
- int i;
- int rc;
-
- static sqlite3_int64 iCmd = 0;
- char zCmd[64];
- F5tApi sApi;
- sApi.pApi = pApi;
- sApi.pFts = pFts;
-
- sprintf(zCmd, "f5t_%lld", iCmd++);
- Tcl_CreateObjCommand(p->interp, zCmd, xF5tApi, &sApi, 0);
- pEval = Tcl_DuplicateObj(p->pScript);
- Tcl_IncrRefCount(pEval);
- Tcl_ListObjAppendElement(p->interp, pEval, Tcl_NewStringObj(zCmd, -1));
-
- for(i=0; i<nVal; i++){
- Tcl_Obj *pObj = 0;
- switch( sqlite3_value_type(apVal[i]) ){
- case SQLITE_TEXT:
- pObj = Tcl_NewStringObj((const char*)sqlite3_value_text(apVal[i]), -1);
- break;
- case SQLITE_BLOB:
- pObj = Tcl_NewByteArrayObj(
- sqlite3_value_blob(apVal[i]), sqlite3_value_bytes(apVal[i])
- );
- break;
- case SQLITE_INTEGER:
- pObj = Tcl_NewWideIntObj(sqlite3_value_int64(apVal[i]));
- break;
- case SQLITE_FLOAT:
- pObj = Tcl_NewDoubleObj(sqlite3_value_double(apVal[i]));
- break;
- default:
- pObj = Tcl_NewObj();
- break;
- }
- Tcl_ListObjAppendElement(p->interp, pEval, pObj);
- }
-
- rc = Tcl_EvalObjEx(p->interp, pEval, TCL_GLOBAL_ONLY);
- Tcl_DecrRefCount(pEval);
- Tcl_DeleteCommand(p->interp, zCmd);
-
- if( rc!=TCL_OK ){
- sqlite3_result_error(pCtx, Tcl_GetStringResult(p->interp), -1);
- }else{
- Tcl_Obj *pVar = Tcl_GetObjResult(p->interp);
- int n;
- const char *zType = (pVar->typePtr ? pVar->typePtr->name : "");
- char c = zType[0];
- if( c=='b' && strcmp(zType,"bytearray")==0 && pVar->bytes==0 ){
- /* Only return a BLOB type if the Tcl variable is a bytearray and
- ** has no string representation. */
- unsigned char *data = Tcl_GetByteArrayFromObj(pVar, &n);
- sqlite3_result_blob(pCtx, data, n, SQLITE_TRANSIENT);
- }else if( c=='b' && strcmp(zType,"boolean")==0 ){
- Tcl_GetIntFromObj(0, pVar, &n);
- sqlite3_result_int(pCtx, n);
- }else if( c=='d' && strcmp(zType,"double")==0 ){
- double r;
- Tcl_GetDoubleFromObj(0, pVar, &r);
- sqlite3_result_double(pCtx, r);
- }else if( (c=='w' && strcmp(zType,"wideInt")==0) ||
- (c=='i' && strcmp(zType,"int")==0) ){
- Tcl_WideInt v;
- Tcl_GetWideIntFromObj(0, pVar, &v);
- sqlite3_result_int64(pCtx, v);
- }else{
- unsigned char *data = (unsigned char *)Tcl_GetStringFromObj(pVar, &n);
- sqlite3_result_text(pCtx, (char *)data, n, SQLITE_TRANSIENT);
- }
- }
-}
-
-static void xF5tDestroy(void *pCtx){
- F5tFunction *p = (F5tFunction*)pCtx;
- Tcl_DecrRefCount(p->pScript);
- ckfree((char *)p);
-}
-
-/*
-** sqlite3_fts5_create_function DB NAME SCRIPT
-**
-** Description...
-*/
-static int f5tCreateFunction(
- void * clientData,
- Tcl_Interp *interp,
- int objc,
- Tcl_Obj *CONST objv[]
-){
- char *zName;
- Tcl_Obj *pScript;
- sqlite3 *db = 0;
- fts5_api *pApi = 0;
- F5tFunction *pCtx = 0;
- int rc;
-
- if( objc!=4 ){
- Tcl_WrongNumArgs(interp, 1, objv, "DB NAME SCRIPT");
- return TCL_ERROR;
- }
- if( f5tDbAndApi(interp, objv[1], &db, &pApi) ) return TCL_ERROR;
-
- zName = Tcl_GetString(objv[2]);
- pScript = objv[3];
- pCtx = (F5tFunction*)ckalloc(sizeof(F5tFunction));
- pCtx->interp = interp;
- pCtx->pScript = pScript;
- Tcl_IncrRefCount(pScript);
-
- rc = pApi->xCreateFunction(
- pApi, zName, (void*)pCtx, xF5tFunction, xF5tDestroy
- );
- if( rc!=SQLITE_OK ){
- Tcl_AppendResult(interp, "error: ", sqlite3_errmsg(db), 0);
- return TCL_ERROR;
- }
-
- return TCL_OK;
-}
-
-typedef struct F5tTokenizeCtx F5tTokenizeCtx;
-struct F5tTokenizeCtx {
- Tcl_Obj *pRet;
- int bSubst;
- const char *zInput;
-};
-
-static int xTokenizeCb2(
- void *pCtx,
- int tflags,
- const char *zToken, int nToken,
- int iStart, int iEnd
-){
- F5tTokenizeCtx *p = (F5tTokenizeCtx*)pCtx;
- if( p->bSubst ){
- Tcl_ListObjAppendElement(0, p->pRet, Tcl_NewStringObj(zToken, nToken));
- Tcl_ListObjAppendElement(
- 0, p->pRet, Tcl_NewStringObj(&p->zInput[iStart], iEnd-iStart)
- );
- }else{
- Tcl_ListObjAppendElement(0, p->pRet, Tcl_NewStringObj(zToken, nToken));
- Tcl_ListObjAppendElement(0, p->pRet, Tcl_NewIntObj(iStart));
- Tcl_ListObjAppendElement(0, p->pRet, Tcl_NewIntObj(iEnd));
- }
- return SQLITE_OK;
-}
-
-
-/*
-** sqlite3_fts5_tokenize DB TOKENIZER TEXT
-**
-** Description...
-*/
-static int f5tTokenize(
- void * clientData,
- Tcl_Interp *interp,
- int objc,
- Tcl_Obj *CONST objv[]
-){
- char *zText;
- int nText;
- sqlite3 *db = 0;
- fts5_api *pApi = 0;
- Fts5Tokenizer *pTok = 0;
- fts5_tokenizer tokenizer;
- Tcl_Obj *pRet = 0;
- void *pUserdata;
- int rc;
-
- int nArg;
- const char **azArg;
- F5tTokenizeCtx ctx;
-
- if( objc!=4 && objc!=5 ){
- Tcl_WrongNumArgs(interp, 1, objv, "?-subst? DB NAME TEXT");
- return TCL_ERROR;
- }
- if( objc==5 ){
- char *zOpt = Tcl_GetString(objv[1]);
- if( strcmp("-subst", zOpt) ){
- Tcl_AppendResult(interp, "unrecognized option: ", zOpt, 0);
- return TCL_ERROR;
- }
- }
- if( f5tDbAndApi(interp, objv[objc-3], &db, &pApi) ) return TCL_ERROR;
- if( Tcl_SplitList(interp, Tcl_GetString(objv[objc-2]), &nArg, &azArg) ){
- return TCL_ERROR;
- }
- if( nArg==0 ){
- Tcl_AppendResult(interp, "no such tokenizer: ", 0);
- Tcl_Free((void*)azArg);
- return TCL_ERROR;
- }
- zText = Tcl_GetStringFromObj(objv[objc-1], &nText);
-
- rc = pApi->xFindTokenizer(pApi, azArg[0], &pUserdata, &tokenizer);
- if( rc!=SQLITE_OK ){
- Tcl_AppendResult(interp, "no such tokenizer: ", azArg[0], 0);
- return TCL_ERROR;
- }
-
- rc = tokenizer.xCreate(pUserdata, &azArg[1], nArg-1, &pTok);
- if( rc!=SQLITE_OK ){
- Tcl_AppendResult(interp, "error in tokenizer.xCreate()", 0);
- return TCL_ERROR;
- }
-
- pRet = Tcl_NewObj();
- Tcl_IncrRefCount(pRet);
- ctx.bSubst = (objc==5);
- ctx.pRet = pRet;
- ctx.zInput = zText;
- rc = tokenizer.xTokenize(
- pTok, (void*)&ctx, FTS5_TOKENIZE_DOCUMENT, zText, nText, xTokenizeCb2
- );
- tokenizer.xDelete(pTok);
- if( rc!=SQLITE_OK ){
- Tcl_AppendResult(interp, "error in tokenizer.xTokenize()", 0);
- Tcl_DecrRefCount(pRet);
- return TCL_ERROR;
- }
-
-
- Tcl_Free((void*)azArg);
- Tcl_SetObjResult(interp, pRet);
- Tcl_DecrRefCount(pRet);
- return TCL_OK;
-}
-
-/*************************************************************************
-** Start of tokenizer wrapper.
-*/
-
-typedef struct F5tTokenizerContext F5tTokenizerContext;
-typedef struct F5tTokenizerCb F5tTokenizerCb;
-typedef struct F5tTokenizerModule F5tTokenizerModule;
-typedef struct F5tTokenizerInstance F5tTokenizerInstance;
-
-struct F5tTokenizerContext {
- void *pCtx;
- int (*xToken)(void*, int, const char*, int, int, int);
-};
-
-struct F5tTokenizerModule {
- Tcl_Interp *interp;
- Tcl_Obj *pScript;
- F5tTokenizerContext *pContext;
-};
-
-struct F5tTokenizerInstance {
- Tcl_Interp *interp;
- Tcl_Obj *pScript;
- F5tTokenizerContext *pContext;
-};
-
-static int f5tTokenizerCreate(
- void *pCtx,
- const char **azArg,
- int nArg,
- Fts5Tokenizer **ppOut
-){
- F5tTokenizerModule *pMod = (F5tTokenizerModule*)pCtx;
- Tcl_Obj *pEval;
- int rc = TCL_OK;
- int i;
-
- pEval = Tcl_DuplicateObj(pMod->pScript);
- Tcl_IncrRefCount(pEval);
- for(i=0; rc==TCL_OK && i<nArg; i++){
- Tcl_Obj *pObj = Tcl_NewStringObj(azArg[i], -1);
- rc = Tcl_ListObjAppendElement(pMod->interp, pEval, pObj);
- }
-
- if( rc==TCL_OK ){
- rc = Tcl_EvalObjEx(pMod->interp, pEval, TCL_GLOBAL_ONLY);
- }
- Tcl_DecrRefCount(pEval);
-
- if( rc==TCL_OK ){
- F5tTokenizerInstance *pInst;
- pInst = (F5tTokenizerInstance*)ckalloc(sizeof(F5tTokenizerInstance));
- memset(pInst, 0, sizeof(F5tTokenizerInstance));
- pInst->interp = pMod->interp;
- pInst->pScript = Tcl_GetObjResult(pMod->interp);
- pInst->pContext = pMod->pContext;
- Tcl_IncrRefCount(pInst->pScript);
- *ppOut = (Fts5Tokenizer*)pInst;
- }
-
- return rc;
-}
-
-
-static void f5tTokenizerDelete(Fts5Tokenizer *p){
- F5tTokenizerInstance *pInst = (F5tTokenizerInstance*)p;
- Tcl_DecrRefCount(pInst->pScript);
- ckfree((char *)pInst);
-}
-
-static int f5tTokenizerTokenize(
- Fts5Tokenizer *p,
- void *pCtx,
- int flags,
- const char *pText, int nText,
- int (*xToken)(void*, int, const char*, int, int, int)
-){
- F5tTokenizerInstance *pInst = (F5tTokenizerInstance*)p;
- void *pOldCtx;
- int (*xOldToken)(void*, int, const char*, int, int, int);
- Tcl_Obj *pEval;
- int rc;
- const char *zFlags;
-
- pOldCtx = pInst->pContext->pCtx;
- xOldToken = pInst->pContext->xToken;
-
- pInst->pContext->pCtx = pCtx;
- pInst->pContext->xToken = xToken;
-
- assert(
- flags==FTS5_TOKENIZE_DOCUMENT
- || flags==FTS5_TOKENIZE_AUX
- || flags==FTS5_TOKENIZE_QUERY
- || flags==(FTS5_TOKENIZE_QUERY | FTS5_TOKENIZE_PREFIX)
- );
- pEval = Tcl_DuplicateObj(pInst->pScript);
- Tcl_IncrRefCount(pEval);
- switch( flags ){
- case FTS5_TOKENIZE_DOCUMENT:
- zFlags = "document";
- break;
- case FTS5_TOKENIZE_AUX:
- zFlags = "aux";
- break;
- case FTS5_TOKENIZE_QUERY:
- zFlags = "query";
- break;
- case (FTS5_TOKENIZE_PREFIX | FTS5_TOKENIZE_QUERY):
- zFlags = "prefixquery";
- break;
- default:
- assert( 0 );
- zFlags = "invalid";
- break;
- }
-
- Tcl_ListObjAppendElement(pInst->interp, pEval, Tcl_NewStringObj(zFlags, -1));
- Tcl_ListObjAppendElement(pInst->interp, pEval, Tcl_NewStringObj(pText,nText));
- rc = Tcl_EvalObjEx(pInst->interp, pEval, TCL_GLOBAL_ONLY);
- Tcl_DecrRefCount(pEval);
-
- pInst->pContext->pCtx = pOldCtx;
- pInst->pContext->xToken = xOldToken;
- return rc;
-}
-
-/*
-** sqlite3_fts5_token ?-colocated? TEXT START END
-*/
-static int f5tTokenizerReturn(
- void * clientData,
- Tcl_Interp *interp,
- int objc,
- Tcl_Obj *CONST objv[]
-){
- F5tTokenizerContext *p = (F5tTokenizerContext*)clientData;
- int iStart;
- int iEnd;
- int nToken;
- int tflags = 0;
- char *zToken;
- int rc;
-
- if( objc==5 ){
- int nArg;
- char *zArg = Tcl_GetStringFromObj(objv[1], &nArg);
- if( nArg<=10 && nArg>=2 && memcmp("-colocated", zArg, nArg)==0 ){
- tflags |= FTS5_TOKEN_COLOCATED;
- }else{
- goto usage;
- }
- }else if( objc!=4 ){
- goto usage;
- }
-
- zToken = Tcl_GetStringFromObj(objv[objc-3], &nToken);
- if( Tcl_GetIntFromObj(interp, objv[objc-2], &iStart)
- || Tcl_GetIntFromObj(interp, objv[objc-1], &iEnd)
- ){
- return TCL_ERROR;
- }
-
- if( p->xToken==0 ){
- Tcl_AppendResult(interp,
- "sqlite3_fts5_token may only be used by tokenizer callback", 0
- );
- return TCL_ERROR;
- }
-
- rc = p->xToken(p->pCtx, tflags, zToken, nToken, iStart, iEnd);
- Tcl_SetResult(interp, (char*)sqlite3ErrName(rc), TCL_VOLATILE);
- return TCL_OK;
-
- usage:
- Tcl_WrongNumArgs(interp, 1, objv, "?-colocated? TEXT START END");
- return TCL_ERROR;
-}
-
-static void f5tDelTokenizer(void *pCtx){
- F5tTokenizerModule *pMod = (F5tTokenizerModule*)pCtx;
- Tcl_DecrRefCount(pMod->pScript);
- ckfree((char *)pMod);
-}
-
-/*
-** sqlite3_fts5_create_tokenizer DB NAME SCRIPT
-**
-** Register a tokenizer named NAME implemented by script SCRIPT. When
-** a tokenizer instance is created (fts5_tokenizer.xCreate), any tokenizer
-** arguments are appended to SCRIPT and the result executed.
-**
-** The value returned by (SCRIPT + args) is itself a tcl script. This
-** script - call it SCRIPT2 - is executed to tokenize text using the
-** tokenizer instance "returned" by SCRIPT. Specifically, to tokenize
-** text SCRIPT2 is invoked with a single argument appended to it - the
-** text to tokenize.
-**
-** SCRIPT2 should invoke the [sqlite3_fts5_token] command once for each
-** token within the tokenized text.
-*/
-static int f5tCreateTokenizer(
- ClientData clientData,
- Tcl_Interp *interp,
- int objc,
- Tcl_Obj *CONST objv[]
-){
- F5tTokenizerContext *pContext = (F5tTokenizerContext*)clientData;
- sqlite3 *db;
- fts5_api *pApi;
- char *zName;
- Tcl_Obj *pScript;
- fts5_tokenizer t;
- F5tTokenizerModule *pMod;
- int rc;
-
- if( objc!=4 ){
- Tcl_WrongNumArgs(interp, 1, objv, "DB NAME SCRIPT");
- return TCL_ERROR;
- }
- if( f5tDbAndApi(interp, objv[1], &db, &pApi) ){
- return TCL_ERROR;
- }
- zName = Tcl_GetString(objv[2]);
- pScript = objv[3];
-
- t.xCreate = f5tTokenizerCreate;
- t.xTokenize = f5tTokenizerTokenize;
- t.xDelete = f5tTokenizerDelete;
-
- pMod = (F5tTokenizerModule*)ckalloc(sizeof(F5tTokenizerModule));
- pMod->interp = interp;
- pMod->pScript = pScript;
- pMod->pContext = pContext;
- Tcl_IncrRefCount(pScript);
- rc = pApi->xCreateTokenizer(pApi, zName, (void*)pMod, &t, f5tDelTokenizer);
- if( rc!=SQLITE_OK ){
- Tcl_AppendResult(interp, "error in fts5_api.xCreateTokenizer()", 0);
- return TCL_ERROR;
- }
-
- return TCL_OK;
-}
-
-static void xF5tFree(ClientData clientData){
- ckfree(clientData);
-}
-
-/*
-** sqlite3_fts5_may_be_corrupt BOOLEAN
-**
-** Set or clear the global "may-be-corrupt" flag. Return the old value.
-*/
-static int f5tMayBeCorrupt(
- void * clientData,
- Tcl_Interp *interp,
- int objc,
- Tcl_Obj *CONST objv[]
-){
- int bOld = sqlite3_fts5_may_be_corrupt;
-
- if( objc!=2 && objc!=1 ){
- Tcl_WrongNumArgs(interp, 1, objv, "?BOOLEAN?");
- return TCL_ERROR;
- }
- if( objc==2 ){
- int bNew;
- if( Tcl_GetBooleanFromObj(interp, objv[1], &bNew) ) return TCL_ERROR;
- sqlite3_fts5_may_be_corrupt = bNew;
- }
-
- Tcl_SetObjResult(interp, Tcl_NewIntObj(bOld));
- return TCL_OK;
-}
-
-
-static unsigned int f5t_fts5HashKey(int nSlot, const char *p, int n){
- int i;
- unsigned int h = 13;
- for(i=n-1; i>=0; i--){
- h = (h << 3) ^ h ^ p[i];
- }
- return (h % nSlot);
-}
-
-static int f5tTokenHash(
- void * clientData,
- Tcl_Interp *interp,
- int objc,
- Tcl_Obj *CONST objv[]
-){
- char *z;
- int n;
- unsigned int iVal;
- int nSlot;
-
- if( objc!=3 ){
- Tcl_WrongNumArgs(interp, 1, objv, "NSLOT TOKEN");
- return TCL_ERROR;
- }
- if( Tcl_GetIntFromObj(interp, objv[1], &nSlot) ){
- return TCL_ERROR;
- }
- z = Tcl_GetStringFromObj(objv[2], &n);
-
- iVal = f5t_fts5HashKey(nSlot, z, n);
- Tcl_SetObjResult(interp, Tcl_NewIntObj(iVal));
- return TCL_OK;
-}
-
-static int f5tRegisterMatchinfo(
- void * clientData,
- Tcl_Interp *interp,
- int objc,
- Tcl_Obj *CONST objv[]
-){
- int rc;
- sqlite3 *db = 0;
-
- if( objc!=2 ){
- Tcl_WrongNumArgs(interp, 1, objv, "DB");
- return TCL_ERROR;
- }
- if( f5tDbPointer(interp, objv[1], &db) ){
- return TCL_ERROR;
- }
-
- rc = sqlite3Fts5TestRegisterMatchinfo(db);
- if( rc!=SQLITE_OK ){
- Tcl_SetResult(interp, (char*)sqlite3ErrName(rc), TCL_VOLATILE);
- return TCL_ERROR;
- }
- return TCL_OK;
-}
-
-/*
-** Entry point.
-*/
-int Fts5tcl_Init(Tcl_Interp *interp){
- static struct Cmd {
- char *zName;
- Tcl_ObjCmdProc *xProc;
- int bTokenizeCtx;
- } aCmd[] = {
- { "sqlite3_fts5_create_tokenizer", f5tCreateTokenizer, 1 },
- { "sqlite3_fts5_token", f5tTokenizerReturn, 1 },
- { "sqlite3_fts5_tokenize", f5tTokenize, 0 },
- { "sqlite3_fts5_create_function", f5tCreateFunction, 0 },
- { "sqlite3_fts5_may_be_corrupt", f5tMayBeCorrupt, 0 },
- { "sqlite3_fts5_token_hash", f5tTokenHash, 0 },
- { "sqlite3_fts5_register_matchinfo", f5tRegisterMatchinfo, 0 }
- };
- int i;
- F5tTokenizerContext *pContext;
-
- pContext = (F5tTokenizerContext*)ckalloc(sizeof(F5tTokenizerContext));
- memset(pContext, 0, sizeof(*pContext));
-
- for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
- struct Cmd *p = &aCmd[i];
- void *pCtx = 0;
- if( p->bTokenizeCtx ) pCtx = (void*)pContext;
- Tcl_CreateObjCommand(interp, p->zName, p->xProc, pCtx, (i ? 0 : xF5tFree));
- }
-
- return TCL_OK;
-}
-#else /* SQLITE_ENABLE_FTS5 */
-int Fts5tcl_Init(Tcl_Interp *interp){
- return TCL_OK;
-}
-#endif /* SQLITE_ENABLE_FTS5 */
-#endif /* SQLITE_TEST */
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