core/Lucy/Search/NoMatchQuery.c

/* 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.
 */

#define C_LUCY_NOMATCHQUERY
#include "Lucy/Util/ToolSet.h"

#include "Lucy/Search/NoMatchQuery.h"
#include "Lucy/Index/SegReader.h"
#include "Lucy/Index/Similarity.h"
#include "Lucy/Plan/Schema.h"
#include "Lucy/Search/NoMatchMatcher.h"
#include "Lucy/Search/Searcher.h"
#include "Lucy/Store/InStream.h"
#include "Lucy/Store/OutStream.h"
#include "Lucy/Util/Freezer.h"

NoMatchQuery*
NoMatchQuery_new() {
    NoMatchQuery *self = (NoMatchQuery*)VTable_Make_Obj(NOMATCHQUERY);
    return NoMatchQuery_init(self);
}

NoMatchQuery*
NoMatchQuery_init(NoMatchQuery *self) {
    Query_init((Query*)self, 0.0f);
    self->fails_to_match = true;
    return self;
}

bool_t
NoMatchQuery_equals(NoMatchQuery *self, Obj *other) {
    NoMatchQuery *twin = (NoMatchQuery*)other;
    if (!Obj_Is_A(other, NOMATCHQUERY))                   { return false; }
    if (self->boost != twin->boost)                       { return false; }
    if (!!self->fails_to_match != !!twin->fails_to_match) { return false; }
    return true;
}

CharBuf*
NoMatchQuery_to_string(NoMatchQuery *self) {
    UNUSED_VAR(self);
    return CB_new_from_trusted_utf8("[NOMATCH]", 9);
}

Compiler*
NoMatchQuery_make_compiler(NoMatchQuery *self, Searcher *searcher,
                           float boost) {
    return (Compiler*)NoMatchCompiler_new(self, searcher, boost);
}

void
NoMatchQuery_set_fails_to_match(NoMatchQuery *self, bool_t fails_to_match) {
    self->fails_to_match = fails_to_match;
}

bool_t
NoMatchQuery_get_fails_to_match(NoMatchQuery *self) {
    return self->fails_to_match;
}

Obj*
NoMatchQuery_dump(NoMatchQuery *self) {
    NoMatchQuery_dump_t super_dump
        = (NoMatchQuery_dump_t)SUPER_METHOD(NOMATCHQUERY, NoMatchQuery, Dump);
    Hash *dump = (Hash*)CERTIFY(super_dump(self), HASH);
    Hash_Store_Str(dump, "fails_to_match", 14,
                   (Obj*)CB_newf("%i64", (int64_t)self->fails_to_match));
    return (Obj*)dump;
}

NoMatchQuery*
NoMatchQuery_load(NoMatchQuery *self, Obj *dump) {
    Hash *source = (Hash*)CERTIFY(dump, HASH);
    NoMatchQuery_load_t super_load
        = (NoMatchQuery_load_t)SUPER_METHOD(NOMATCHQUERY, NoMatchQuery, Load);
    NoMatchQuery *loaded = super_load(self, dump);
    Obj *fails = Cfish_Hash_Fetch_Str(source, "fails_to_match", 14);
    if (fails) {
        loaded->fails_to_match = (bool_t)!!Obj_To_I64(fails);
    }
    else {
        loaded->fails_to_match = true;
    }
    return loaded;
}

void
NoMatchQuery_serialize(NoMatchQuery *self, OutStream *outstream) {
    OutStream_Write_I8(outstream, !!self->fails_to_match);
}

NoMatchQuery*
NoMatchQuery_deserialize(NoMatchQuery *self, InStream *instream) {
    self = self ? self : (NoMatchQuery*)VTable_Make_Obj(NOMATCHQUERY);
    NoMatchQuery_init(self);
    self->fails_to_match = !!InStream_Read_I8(instream);
    return self;
}

/**********************************************************************/

NoMatchCompiler*
NoMatchCompiler_new(NoMatchQuery *parent, Searcher *searcher,
                    float boost) {
    NoMatchCompiler *self
        = (NoMatchCompiler*)VTable_Make_Obj(NOMATCHCOMPILER);
    return NoMatchCompiler_init(self, parent, searcher, boost);
}

NoMatchCompiler*
NoMatchCompiler_init(NoMatchCompiler *self, NoMatchQuery *parent,
                     Searcher *searcher, float boost) {
    return (NoMatchCompiler*)Compiler_init((Compiler*)self, (Query*)parent,
                                           searcher, NULL, boost);
}

NoMatchCompiler*
NoMatchCompiler_deserialize(NoMatchCompiler *self, InStream *instream) {
    self = self ? self : (NoMatchCompiler*)VTable_Make_Obj(NOMATCHCOMPILER);
    return (NoMatchCompiler*)Compiler_deserialize((Compiler*)self, instream);
}

Matcher*
NoMatchCompiler_make_matcher(NoMatchCompiler *self, SegReader *reader,
                             bool_t need_score) {
    UNUSED_VAR(self);
    UNUSED_VAR(reader);
    UNUSED_VAR(need_score);
    return (Matcher*)NoMatchMatcher_new();
}