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case 4: // INPUT
sqlite3_result_int(cxt,classes[cur->rowid]->cflags&CF_INPUT?1:0);
break;
case 5: // QUIZ
sqlite3_result_int(cxt,classes[cur->rowid]->cflags&CF_QUIZ?1:0);
break;
case 6: // TRACEIN
sqlite3_result_int(cxt,classes[cur->rowid]->oflags&OF_TRACEIN?1:0);
break;
case 7: // TRACEOUT
sqlite3_result_int(cxt,classes[cur->rowid]->oflags&OF_TRACEOUT?1:0);
break;
case 8: // GROUP
if(sqlite3_vtab_nochange(cxt)) return SQLITE_OK;
if(classes[cur->rowid]->cflags&CF_GROUP) {
char*s=sqlite3_mprintf(" ");
if(!s) return SQLITE_NOMEM;
for(n=0;classes[cur->rowid]->codes[n];n++) {
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case 4: // INPUT
sqlite3_result_int(cxt,classes[cur->rowid]->cflags&CF_INPUT?1:0);
break;
case 5: // QUIZ
sqlite3_result_int(cxt,classes[cur->rowid]->cflags&CF_QUIZ?1:0);
break;
case 6: // TRACEIN
sqlite3_result_int(cxt,classes[cur->rowid]->cflags&CF_TRACEIN?1:0);
break;
case 7: // TRACEOUT
sqlite3_result_int(cxt,classes[cur->rowid]->cflags&CF_TRACEOUT?1:0);
break;
case 8: // GROUP
if(sqlite3_vtab_nochange(cxt)) return SQLITE_OK;
if(classes[cur->rowid]->cflags&CF_GROUP) {
char*s=sqlite3_mprintf(" ");
if(!s) return SQLITE_NOMEM;
for(n=0;classes[cur->rowid]->codes[n];n++) {
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static int vt1_classes_filter(sqlite3_vtab_cursor*pcur,int idxNum,const char*idxStr,int argc,sqlite3_value**argv) {
Cursor*cur=(void*)pcur;
cur->eof=0;
if(argc) {
cur->rowid=sqlite3_value_int64(*argv);
cur->unique=1;
if(cur->rowid<=0 || cur->rowid>=0x4000 || !classes[cur->rowid] || classes[cur->rowid]->cflags&CF_NOCLASS2) cur->eof=1;
} else {
cur->unique=0;
cur->rowid=1;
while(cur->rowid<0x4000 && (!classes[cur->rowid] || classes[cur->rowid]->cflags&CF_NOCLASS2)) ++cur->rowid;
if(cur->rowid>=0x4000) cur->eof=1;
}
return SQLITE_OK;
}
static int vt1_classes_next(sqlite3_vtab_cursor*pcur) {
Cursor*cur=(void*)pcur;
if(cur->unique) {
cur->eof=1;
} else {
++cur->rowid;
while(cur->rowid<0x4000 && (!classes[cur->rowid] || classes[cur->rowid]->cflags&CF_NOCLASS2)) ++cur->rowid;
if(cur->rowid>=0x4000) cur->eof=1;
}
return SQLITE_OK;
}
static int vt1_classes_update(sqlite3_vtab*vt,int argc,sqlite3_value**argv,sqlite3_int64*rowid) {
sqlite3_int64 id;
int v[3];
if(argc!=5 || sqlite3_value_type(*argv)!=SQLITE_INTEGER) return SQLITE_CONSTRAINT_VTAB;
id=sqlite3_value_int64(*argv);
if(id!=sqlite3_value_int64(argv[1])) return SQLITE_CONSTRAINT_VTAB;
if(id<=0 || id>=0x4000 || !classes[id]) return SQLITE_INTERNAL;
v[0]=sqlite3_value_int(argv[5]);
v[1]=sqlite3_value_int(argv[6]);
v[2]=sqlite3_value_int(argv[7]);
if((v[0]|v[1]|v[2])&~1) return SQLITE_CONSTRAINT_CHECK;
if(v[0]) classes[id]->cflags|=CF_QUIZ; else classes[id]->cflags&=~CF_QUIZ;
classes[id]->oflags&=~(OF_TRACEIN|OF_TRACEOUT);
classes[id]->oflags|=(v[1]?OF_TRACEIN:0)|(v[2]?OF_TRACEOUT:0);
return SQLITE_OK;
}
Module(vt_classes,
.xColumn=vt1_classes_column,
.xFilter=vt1_classes_filter,
.xNext=vt1_classes_next,
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static int vt1_classes_filter(sqlite3_vtab_cursor*pcur,int idxNum,const char*idxStr,int argc,sqlite3_value**argv) {
Cursor*cur=(void*)pcur;
cur->eof=0;
if(argc) {
cur->rowid=sqlite3_value_int64(*argv);
cur->unique=1;
if(cur->rowid<=0 || cur->rowid>=0x4000 || !classes[cur->rowid] || (classes[cur->rowid]->cflags&CF_NOCLASS2)) cur->eof=1;
} else {
cur->unique=0;
cur->rowid=1;
while(cur->rowid<0x4000 && (!classes[cur->rowid] || (classes[cur->rowid]->cflags&CF_NOCLASS2))) ++cur->rowid;
if(cur->rowid>=0x4000) cur->eof=1;
}
return SQLITE_OK;
}
static int vt1_classes_next(sqlite3_vtab_cursor*pcur) {
Cursor*cur=(void*)pcur;
if(cur->unique) {
cur->eof=1;
} else {
++cur->rowid;
while(cur->rowid<0x4000 && (!classes[cur->rowid] || (classes[cur->rowid]->cflags&CF_NOCLASS2))) ++cur->rowid;
if(cur->rowid>=0x4000) cur->eof=1;
}
return SQLITE_OK;
}
static int vt1_classes_update(sqlite3_vtab*vt,int argc,sqlite3_value**argv,sqlite3_int64*rowid) {
sqlite3_int64 id;
int v[3];
if(argc<2 || sqlite3_value_type(*argv)!=SQLITE_INTEGER) return SQLITE_CONSTRAINT_VTAB;
id=sqlite3_value_int64(*argv);
if(id!=sqlite3_value_int64(argv[1])) return SQLITE_CONSTRAINT_VTAB;
if(id<=0 || id>=0x4000 || !classes[id]) return SQLITE_INTERNAL;
v[0]=sqlite3_value_int(argv[7]);
v[1]=sqlite3_value_int(argv[8]);
v[2]=sqlite3_value_int(argv[9]);
if((v[0]|v[1]|v[2])&~1) return SQLITE_CONSTRAINT_CHECK;
if(v[0]) classes[id]->cflags|=CF_QUIZ; else classes[id]->cflags&=~CF_QUIZ;
classes[id]->cflags&=~(CF_TRACEIN|CF_TRACEOUT);
classes[id]->cflags|=(v[1]?CF_TRACEIN:0)|(v[2]?CF_TRACEOUT:0);
return SQLITE_OK;
}
Module(vt_classes,
.xColumn=vt1_classes_column,
.xFilter=vt1_classes_filter,
.xNext=vt1_classes_next,
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