core/Lucy/Index/TermInfo.cfh

/* 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;

/** Filepointer/statistical data for a Term.
 *
 * The TermInfo contains pointer data indicating where information about a
 * term can be found in various files, plus the document frequency of the
 * term.
 *
 * The lex_filepos member variable is only used if the TermInfo is part of the
 * .lexx stream; it is a filepointer to a locations in the main .lex file.
 */

class Lucy::Index::TermInfo cnick TInfo inherits Lucy::Object::Obj {

    int32_t doc_freq;
    int64_t post_filepos;
    int64_t skip_filepos;
    int64_t lex_filepos;


    inert incremented TermInfo*
    new(int32_t doc_freq = 0);

    inert TermInfo*
    init(TermInfo *self, int32_t doc_freq = 0);

    public int32_t
    Get_Doc_Freq(TermInfo *self);

    public int64_t
    Get_Lex_FilePos(TermInfo *self);

    public int64_t
    Get_Post_FilePos(TermInfo *self);

    public int64_t
    Get_Skip_FilePos(TermInfo *self);

    public void
    Set_Doc_Freq(TermInfo *self, int32_t doc_freq);

    public void
    Set_Lex_FilePos(TermInfo *self, int64_t filepos);

    public void
    Set_Post_FilePos(TermInfo *self, int64_t filepos);

    public void
    Set_Skip_FilePos(TermInfo *self, int64_t filepos);

    /** "Zero out" the TermInfo.
     */
    void
    Reset(TermInfo *self);

    public void
    Mimic(TermInfo *self, Obj *other);

    public incremented TermInfo*
    Clone(TermInfo *self);

    public incremented CharBuf*
    To_String(TermInfo *self);
}