// Convert C-string to a Ruby instance of Ruby type "type"
static VALUE typecast(const char* value, unsigned long length, char* type) {
if (NULL == value)
return Qnil;
if ( strcmp(type, "Class") == 0) {
return rb_funcall(mDO, rb_intern("find_const"), 1, TAINTED_STRING(value, length));
} else if ( strcmp(type, "Integer") == 0 || strcmp(type, "Fixnum") == 0 || strcmp(type, "Bignum") == 0 ) {
return rb_cstr2inum(value, 10);
} else if (0 == strcmp("String", type)) {
return TAINTED_STRING(value, length);
} else if (0 == strcmp("Float", type) ) {
return rb_float_new(rb_cstr_to_dbl(value, Qfalse));
} else if (0 == strcmp("BigDecimal", type) ) {
return rb_funcall(rb_cBigDecimal, ID_NEW, 1, TAINTED_STRING(value, length));
} else if (0 == strcmp("TrueClass", type) || 0 == strcmp("FalseClass", type)) {
return (0 == value || 0 == strcmp("0", value)) ? Qfalse : Qtrue;
} else if (0 == strcmp("Date", type)) {
return parse_date(value);
} else if (0 == strcmp("DateTime", type)) {
return parse_date_time(value);
} else if (0 == strcmp("Time", type)) {
return parse_time(value);
} else {
return TAINTED_STRING(value, length);
}
}
static VALUE typecast(sqlite3_stmt *stmt, int i, VALUE ruby_class) {
const char *ruby_type;
VALUE ruby_value = Qnil;
int original_type = sqlite3_column_type(stmt, i);
int length = sqlite3_column_bytes(stmt, i);
if ( original_type == SQLITE_NULL ) {
return ruby_value;
}
if ( original_type == SQLITE_BLOB ) {
return TAINTED_STRING((char*)sqlite3_column_blob(stmt, i), length);
}
if(ruby_class == Qnil) {
switch(original_type) {
case SQLITE_INTEGER: {
ruby_type = "Integer";
break;
}
case SQLITE_FLOAT: {
ruby_type = "Float";
break;
}
default: {
ruby_type = "String";
break;
}
}
} else {
ruby_type = rb_class2name(ruby_class);
}
if ( strcmp(ruby_type, "Class") == 0) {
return rb_funcall(rb_cObject, rb_intern("full_const_get"), 1, TAINTED_STRING((char*)sqlite3_column_text(stmt, i), length));
} else if ( strcmp(ruby_type, "Object") == 0 ) {
return rb_marshal_load(rb_str_new2((char*)sqlite3_column_text(stmt, i)));
} else if ( strcmp(ruby_type, "TrueClass") == 0 ) {
return strcmp((char*)sqlite3_column_text(stmt, i), "t") == 0 ? Qtrue : Qfalse;
} else if ( strcmp(ruby_type, "Integer") == 0 || strcmp(ruby_type, "Fixnum") == 0 || strcmp(ruby_type, "Bignum") == 0 ) {
return LL2NUM(sqlite3_column_int64(stmt, i));
} else if ( strcmp(ruby_type, "BigDecimal") == 0 ) {
return rb_funcall(rb_cBigDecimal, ID_NEW, 1, TAINTED_STRING((char*)sqlite3_column_text(stmt, i), length));
} else if ( strcmp(ruby_type, "Float") == 0 ) {
return rb_float_new(sqlite3_column_double(stmt, i));
} else if ( strcmp(ruby_type, "Date") == 0 ) {
return parse_date((char*)sqlite3_column_text(stmt, i));
} else if ( strcmp(ruby_type, "DateTime") == 0 ) {
return parse_date_time((char*)sqlite3_column_text(stmt, i));
} else if ( strcmp(ruby_type, "Time") == 0 ) {
return parse_time((char*)sqlite3_column_text(stmt, i));
} else {
return TAINTED_STRING((char*)sqlite3_column_text(stmt, i), length);
}
}
