/* Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

parcel Lucy;

/** A portion of a file, viewed as an array of bytes.
 */
class Lucy::Store::FileWindow inherits Clownfish::Obj {

    char    *buf;
    int64_t  offset;
    int64_t  len;

    inert FileWindow*
    init(FileWindow *self);

    inert incremented FileWindow*
    new();

    void
    Set_Offset(FileWindow *self, int64_t offset);

    void
    Set_Window(FileWindow *self, char *buf, int64_t offset, int64_t len);

    char*
    Get_Buf(FileWindow *self);

    int64_t
    Get_Offset(FileWindow *self);

    int64_t
    Get_Len(FileWindow *self);
}