daniel.tabacaru_887

Committed 07 Aug 2024 08:36PM UTC coverage: 91.108% (+0.02%) from 91.087%

Build # daniel.tabacaru_887

Build Type

Pull #7963

Evergreen

Committed by

danieltabacaru

Commit Message

Unregister SyncSession callbacks when SyncManager is destroyed

Pull Request Pull Request #7963: RJS-2784 Fix callback crashes when reloading with React Native

Run Details

102796 of 181584 branches covered (56.61%)

35 of 37 new or added lines in 2 files covered. (94.59%)

294 existing lines in 9 files now uncovered.

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69.04

/src/realm/query_conditions.hpp

/*************************************************************************
 *
 * Copyright 2016 Realm Inc.
 *
 * Licensed 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.
 *
 **************************************************************************/

#ifndef REALM_QUERY_CONDITIONS_HPP
#define REALM_QUERY_CONDITIONS_HPP

#include <cstdint>
#include <string>

#include <realm/query_state.hpp>
#include <realm/unicode.hpp>
#include <realm/binary_data.hpp>
#include <realm/query_value.hpp>
#include <realm/mixed.hpp>
#include <realm/utilities.hpp>

namespace realm {

// Quick hack to make "Queries with Integer null columns" able to compile in Visual Studio 2015 which doesn't full
// support sfinae
// (real cause hasn't been investigated yet, cannot exclude that we don't obey c++11 standard)
struct HackClass {
    template <class A, class B, class C>
    bool can_match(A, B, C)
    {
        REALM_ASSERT(false);
        return false;
    }
    template <class A, class B, class C>
    bool will_match(A, B, C)
    {
        REALM_ASSERT(false);
        return false;
    }
};

// Does v2 contain v1?
struct Contains : public HackClass {
    bool operator()(StringData v1, const char*, const char*, StringData v2, bool = false, bool = false) const
    {
        return v2.contains(v1);
    }
    bool operator()(StringData v1, StringData v2, bool = false, bool = false) const
    {
        return v2.contains(v1);
    }
    bool operator()(BinaryData v1, BinaryData v2, bool = false, bool = false) const
    {
        return v2.contains(v1);
    }
    bool operator()(StringData v1, const std::array<uint8_t, 256>& charmap, StringData v2) const
    {
        return v2.contains(v1, charmap);
    }

    bool operator()(const QueryValue& m1, const QueryValue& m2) const
    {
        if (m1.is_null())
            return !m2.is_null();
        if (m1.is_type(type_String) && m2.is_type(type_String)) {
            return operator()(m1.get<StringData>(), m2.get<StringData>(), false, false);
        }
        if (m1.is_type(type_Binary) && m2.is_type(type_Binary)) {
            return operator()(m1.get<BinaryData>(), m2.get<BinaryData>(), false, false);
        }
        return false;
    }

    template <class A, class B>
    bool operator()(A, B) const
    {
        REALM_ASSERT(false);
        return false;
    }
    template <class A, class B, class C, class D>
    bool operator()(A, B, C, D) const
    {
        REALM_ASSERT(false);
        return false;
    }
    bool operator()(int64_t, int64_t, bool, bool) const
    {
        REALM_ASSERT(false);
        return false;
    }

    static std::string description()
    {
        return "CONTAINS";
    }

    static const int condition = -1;
};

// Does v2 contain something like v1 (wildcard matching)?
struct Like : public HackClass {
    bool operator()(StringData v1, const char*, const char*, StringData v2, bool = false, bool = false) const
    {
        return v2.like(v1);
    }
    bool operator()(BinaryData b1, const char*, const char*, BinaryData b2, bool = false, bool = false) const
    {
        StringData s1(b1.data(), b1.size());
        StringData s2(b2.data(), b2.size());
        return s2.like(s1);
    }
    bool operator()(StringData v1, StringData v2, bool = false, bool = false) const
    {
        return v2.like(v1);
    }
    bool operator()(BinaryData b1, BinaryData b2, bool = false, bool = false) const
    {
        StringData s1(b1.data(), b1.size());
        StringData s2(b2.data(), b2.size());
        return s2.like(s1);
    }

    bool operator()(const QueryValue& m1, const QueryValue& m2) const
    {
        if (m1.is_null() && m2.is_null())
            return true;
        if (m1.is_type(type_String) && m2.is_type(type_String)) {
            return operator()(m1.get<StringData>(), m2.get<StringData>(), false, false);
        }
        if (m1.is_type(type_Binary) && m2.is_type(type_Binary)) {
            return operator()(m1.get<BinaryData>(), m2.get<BinaryData>(), false, false);
        }
        return false;
    }

    template <class A, class B>
    bool operator()(A, B) const
    {
        REALM_ASSERT(false);
        return false;
    }

    template <class A, class B, class C, class D>
    bool operator()(A, B, C, D) const
    {
        REALM_ASSERT(false);
        return false;
    }

    bool operator()(int64_t, int64_t, bool, bool) const
    {
        REALM_ASSERT(false);
        return false;
    }

    static std::string description()
    {
        return "LIKE";
    }

    static const int condition = -1;
};

// Does v2 begin with v1?
struct BeginsWith : public HackClass {
    bool operator()(StringData v1, const char*, const char*, StringData v2, bool = false, bool = false) const
    {
        return v2.begins_with(v1);
    }
    bool operator()(StringData v1, StringData v2, bool = false, bool = false) const
    {
        return v2.begins_with(v1);
    }
    bool operator()(BinaryData v1, BinaryData v2, bool = false, bool = false) const
    {
        return v2.begins_with(v1);
    }

    bool operator()(const QueryValue& m1, const QueryValue& m2) const
    {
        if (m1.is_type(type_String) && m2.is_type(type_String)) {
            StringData s1 = m1.get<StringData>();
            StringData s2 = m2.get<StringData>();
            return s2.begins_with(s1);
        }
        if (m1.is_type(type_Binary) && m2.is_type(type_Binary)) {
            BinaryData b1 = m1.get<BinaryData>();
            BinaryData b2 = m2.get<BinaryData>();
            return b2.begins_with(b1);
        }
        return false;
    }

    template <class A, class B, class C, class D>
    bool operator()(A, B, C, D) const
    {
        REALM_ASSERT(false);
        return false;
    }
    template <class A, class B>
    bool operator()(A, B) const
    {
        REALM_ASSERT(false);
        return false;
    }

    static std::string description()
    {
        return "BEGINSWITH";
    }

    static const int condition = -1;
};

// Does v2 end with v1?
struct EndsWith : public HackClass {
    bool operator()(StringData v1, const char*, const char*, StringData v2, bool = false, bool = false) const
    {
        return v2.ends_with(v1);
    }
    bool operator()(StringData v1, StringData v2, bool = false, bool = false) const
    {
        return v2.ends_with(v1);
    }
    bool operator()(BinaryData v1, BinaryData v2, bool = false, bool = false) const
    {
        return v2.ends_with(v1);
    }

    bool operator()(const QueryValue& m1, const QueryValue& m2) const
    {

        if (m1.is_type(type_String) && m2.is_type(type_String)) {
            return operator()(m1.get<StringData>(), m2.get<StringData>(), false, false);
        }
        if (m1.is_type(type_Binary) && m2.is_type(type_Binary)) {
            return operator()(m1.get<BinaryData>(), m2.get<BinaryData>(), false, false);
        }
        return false;
    }

    template <class A, class B>
    bool operator()(A, B) const
    {
        REALM_ASSERT(false);
        return false;
    }
    template <class A, class B, class C, class D>
    bool operator()(A, B, C, D) const
    {
        REALM_ASSERT(false);
        return false;
    }

    static std::string description()
    {
        return "ENDSWITH";
    }

    static const int condition = -1;
};

struct Equal {
    static const int avx = 0x00; // _CMP_EQ_OQ
    //    bool operator()(const bool v1, const bool v2, bool v1null = false, bool v2null = false) const { return v1 ==
    //    v2; }
    bool operator()(StringData v1, const char*, const char*, StringData v2, bool = false, bool = false) const
    {
        return v1 == v2;
    }
    bool operator()(BinaryData v1, BinaryData v2, bool = false, bool = false) const
    {
        return v1 == v2;
    }

    bool operator()(const QueryValue& m1, const QueryValue& m2) const
    {
        return (m1.is_null() && m2.is_null()) || (Mixed::types_are_comparable(m1, m2) && (m1 == m2));
    }

    template <class T>
    bool operator()(const T& v1, const T& v2, bool v1null = false, bool v2null = false) const
    {
        return (v1null && v2null) || (!v1null && !v2null && v1 == v2);
    }
    static const int condition = cond_Equal;
    bool can_match(int64_t v, int64_t lbound, int64_t ubound)
    {
        return (v >= lbound && v <= ubound);
    }
    bool will_match(int64_t v, int64_t lbound, int64_t ubound)
    {
        return (v == 0 && ubound == 0 && lbound == 0);
    }

    static std::string description()
    {
        return "==";
    }
};

struct NotEqual {
    static const int avx = 0x0B; // _CMP_FALSE_OQ
    bool operator()(StringData v1, const char*, const char*, StringData v2, bool = false, bool = false) const
    {
        return v1 != v2;
    }
    // bool operator()(BinaryData v1, BinaryData v2, bool = false, bool = false) const { return v1 != v2; }

    template <class T>
    bool operator()(const T& v1, const T& v2, bool v1null = false, bool v2null = false) const
    {
        if (!v1null && !v2null)
            return v1 != v2;

        if (v1null && v2null)
            return false;

        return true;
    }

    bool operator()(const QueryValue& m1, const Mixed& m2) const
    {
        return !Equal()(m1, m2);
    }


    static const int condition = cond_NotEqual;
    bool can_match(int64_t v, int64_t lbound, int64_t ubound)
    {
        return !(v == 0 && ubound == 0 && lbound == 0);
    }
    bool will_match(int64_t v, int64_t lbound, int64_t ubound)
    {
        return (v > ubound || v < lbound);
    }

    template <class A, class B, class C, class D>
    bool operator()(A, B, C, D) const = delete;

    static std::string description()
    {
        return "!=";
    }
};

// Does v2 contain v1?
struct ContainsIns : public HackClass {
    bool operator()(StringData v1, const char* v1_upper, const char* v1_lower, StringData v2, bool = false,
                    bool = false) const
    {
        if (v2.is_null() && !v1.is_null())
            return false;

        if (v1.size() == 0 && !v2.is_null())
            return true;

        return search_case_fold(v2, v1_upper, v1_lower, v1.size()) != v2.size();
    }

    // Slow version, used if caller hasn't stored an upper and lower case version
    bool operator()(StringData v1, StringData v2, bool = false, bool = false) const
    {
        if (v2.is_null() && !v1.is_null())
            return false;

        if (v1.size() == 0 && !v2.is_null())
            return true;

        std::string v1_upper = case_map(v1, true, IgnoreErrors);
        std::string v1_lower = case_map(v1, false, IgnoreErrors);
        return search_case_fold(v2, v1_upper.c_str(), v1_lower.c_str(), v1.size()) != v2.size();
    }
    bool operator()(BinaryData b1, BinaryData b2, bool = false, bool = false) const
    {
        StringData s1(b1.data(), b1.size());
        StringData s2(b2.data(), b2.size());
        return this->operator()(s1, s2, false, false);
    }

    // Case insensitive Boyer-Moore version
    bool operator()(StringData v1, const char* v1_upper, const char* v1_lower,
                    const std::array<uint8_t, 256>& charmap, StringData v2) const
    {
        if (v2.is_null() && !v1.is_null())
            return false;

        if (v1.size() == 0 && !v2.is_null())
            return true;

        return contains_ins(v2, v1_upper, v1_lower, v1.size(), charmap);
    }

    bool operator()(const QueryValue& m1, const QueryValue& m2) const
    {
        if (m1.is_null())
            return !m2.is_null();
        if (m1.is_type(type_String) && m2.is_type(type_String)) {
            return operator()(m1.get<StringData>(), m2.get<StringData>(), false, false);
        }
        if (m1.is_type(type_Binary) && m2.is_type(type_Binary)) {
            return operator()(m1.get<BinaryData>(), m2.get<BinaryData>(), false, false);
        }
        return false;
    }

    template <class A, class B>
    bool operator()(A, B) const
    {
        REALM_ASSERT(false);
        return false;
    }
    template <class A, class B, class C, class D>
    bool operator()(A, B, C, D) const
    {
        REALM_ASSERT(false);
        return false;
    }
    bool operator()(int64_t, int64_t, bool, bool) const
    {
        REALM_ASSERT(false);
        return false;
    }

    static std::string description()
    {
        return "CONTAINS[c]";
    }

    static const int condition = -1;
};

// Does v2 contain something like v1 (wildcard matching)?
struct LikeIns : public HackClass {
    bool operator()(StringData v1, const char* v1_upper, const char* v1_lower, StringData v2, bool = false,
                    bool = false) const
    {
        if (v2.is_null() || v1.is_null()) {
            return (v2.is_null() && v1.is_null());
        }

        return string_like_ins(v2, v1_lower, v1_upper);
    }
    bool operator()(BinaryData b1, const char* b1_upper, const char* b1_lower, BinaryData b2, bool = false,
                    bool = false) const
    {
        if (b2.is_null() || b1.is_null()) {
            return (b2.is_null() && b1.is_null());
        }
        StringData s2(b2.data(), b2.size());

        return string_like_ins(s2, b1_lower, b1_upper);
    }

    // Slow version, used if caller hasn't stored an upper and lower case version
    bool operator()(StringData v1, StringData v2, bool = false, bool = false) const
    {
        if (v2.is_null() || v1.is_null()) {
            return (v2.is_null() && v1.is_null());
        }

        std::string v1_upper = case_map(v1, true, IgnoreErrors);
        std::string v1_lower = case_map(v1, false, IgnoreErrors);
        return string_like_ins(v2, v1_lower, v1_upper);
    }
    bool operator()(BinaryData b1, BinaryData b2, bool = false, bool = false) const
    {
        if (b2.is_null() || b1.is_null()) {
            return (b2.is_null() && b1.is_null());
        }
        StringData s1(b1.data(), b1.size());
        StringData s2(b2.data(), b2.size());

        std::string s1_upper = case_map(s1, true, IgnoreErrors);
        std::string s1_lower = case_map(s1, false, IgnoreErrors);
        return string_like_ins(s2, s1_lower, s1_upper);
    }

    bool operator()(const QueryValue& m1, const QueryValue& m2) const
    {
        if (m1.is_null() && m2.is_null())
            return true;
        if (m1.is_type(type_String) && m2.is_type(type_String)) {
            return operator()(m1.get<StringData>(), m2.get<StringData>(), false, false);
        }
        if (m1.is_type(type_Binary) && m2.is_type(type_Binary)) {
            return operator()(m1.get<BinaryData>(), m2.get<BinaryData>(), false, false);
        }
        return false;
    }

    template <class A, class B>
    bool operator()(A, B) const
    {
        REALM_ASSERT(false);
        return false;
    }
    template <class A, class B, class C, class D>
    bool operator()(A, B, C, D) const
    {
        REALM_ASSERT(false);
        return false;
    }
    bool operator()(int64_t, int64_t, bool, bool) const
    {
        REALM_ASSERT(false);
        return false;
    }

    static std::string description()
    {
        return "LIKE[c]";
    }

    static const int condition = -1;
};

// Does v2 begin with v1?
struct BeginsWithIns : public HackClass {
    bool operator()(StringData v1, const char* v1_upper, const char* v1_lower, StringData v2, bool = false,
                    bool = false) const
    {
        if (v2.is_null() && !v1.is_null())
            return false;
        return v1.size() <= v2.size() && equal_case_fold(v2.prefix(v1.size()), v1_upper, v1_lower);
    }

    // Slow version, used if caller hasn't stored an upper and lower case version
    bool operator()(StringData v1, StringData v2, bool = false, bool = false) const
    {
        if (v2.is_null() && !v1.is_null())
            return false;

        if (v1.size() > v2.size())
            return false;
        std::string v1_upper = case_map(v1, true, IgnoreErrors);
        std::string v1_lower = case_map(v1, false, IgnoreErrors);
        return equal_case_fold(v2.prefix(v1.size()), v1_upper.c_str(), v1_lower.c_str());
    }
    bool operator()(BinaryData b1, BinaryData b2, bool = false, bool = false) const
    {
        StringData s1(b1.data(), b1.size());
        StringData s2(b2.data(), b2.size());
        return this->operator()(s1, s2, false, false);
    }

    bool operator()(const QueryValue& m1, const QueryValue& m2) const
    {
        if (m1.is_type(type_String) && m2.is_type(type_String)) {
            return operator()(m1.get<StringData>(), m2.get<StringData>(), false, false);
        }
        if (m1.is_type(type_Binary) && m2.is_type(type_Binary)) {
            return operator()(m1.get<BinaryData>(), m2.get<BinaryData>(), false, false);
        }
        return false;
    }

    template <class A, class B>
    bool operator()(A, B) const
    {
        REALM_ASSERT(false);
        return false;
    }
    template <class A, class B, class C, class D>
    bool operator()(A, B, C, D) const
    {
        REALM_ASSERT(false);
        return false;
    }
    bool operator()(int64_t, int64_t, bool, bool) const
    {
        REALM_ASSERT(false);
        return false;
    }

    static std::string description()
    {
        return "BEGINSWITH[c]";
    }

    static const int condition = -1;
};

// Does v2 end with v1?
struct EndsWithIns : public HackClass {
    bool operator()(StringData v1, const char* v1_upper, const char* v1_lower, StringData v2, bool = false,
                    bool = false) const
    {
        if (v2.is_null() && !v1.is_null())
            return false;

        return v1.size() <= v2.size() && equal_case_fold(v2.suffix(v1.size()), v1_upper, v1_lower);
    }

    // Slow version, used if caller hasn't stored an upper and lower case version
    bool operator()(StringData v1, StringData v2, bool = false, bool = false) const
    {
        if (v2.is_null() && !v1.is_null())
            return false;

        if (v1.size() > v2.size())
            return false;
        std::string v1_upper = case_map(v1, true, IgnoreErrors);
        std::string v1_lower = case_map(v1, false, IgnoreErrors);
        return equal_case_fold(v2.suffix(v1.size()), v1_upper.c_str(), v1_lower.c_str());
    }
    bool operator()(BinaryData b1, BinaryData b2, bool = false, bool = false) const
    {
        StringData s1(b1.data(), b1.size());
        StringData s2(b2.data(), b2.size());
        return this->operator()(s1, s2, false, false);
    }

    bool operator()(const QueryValue& m1, const QueryValue& m2) const
    {
        if (m1.is_type(type_String) && m2.is_type(type_String)) {
            return operator()(m1.get<StringData>(), m2.get<StringData>(), false, false);
        }
        if (m1.is_type(type_Binary) && m2.is_type(type_Binary)) {
            return operator()(m1.get<BinaryData>(), m2.get<BinaryData>(), false, false);
        }
        return false;
    }

    template <class A, class B>
    bool operator()(A, B) const
    {
        REALM_ASSERT(false);
        return false;
    }
    template <class A, class B, class C, class D>
    bool operator()(A, B, C, D) const
    {
        REALM_ASSERT(false);
        return false;
    }
    bool operator()(int64_t, int64_t, bool, bool) const
    {
        REALM_ASSERT(false);
        return false;
    }

    static std::string description()
    {
        return "ENDSWITH[c]";
    }

    static const int condition = -1;
};

struct EqualIns : public HackClass {
    bool operator()(StringData v1, const char* v1_upper, const char* v1_lower, StringData v2, bool = false,
                    bool = false) const
    {
        if (v1.is_null() != v2.is_null())
            return false;

        return v1.size() == v2.size() && equal_case_fold(v2, v1_upper, v1_lower);
    }

    // Slow version, used if caller hasn't stored an upper and lower case version
    bool operator()(StringData v1, StringData v2, bool = false, bool = false) const
    {
        if (v1.is_null() != v2.is_null())
            return false;

        if (v1.size() != v2.size())
            return false;
        std::string v1_upper = case_map(v1, true, IgnoreErrors);
        std::string v1_lower = case_map(v1, false, IgnoreErrors);
        return equal_case_fold(v2, v1_upper.c_str(), v1_lower.c_str());
    }
    bool operator()(BinaryData b1, BinaryData b2, bool = false, bool = false) const
    {
        StringData s1(b1.data(), b1.size());
        StringData s2(b2.data(), b2.size());
        return this->operator()(s1, s2, false, false);
    }

    bool operator()(const QueryValue& m1, const QueryValue& m2) const
    {
        if (m1.is_null() && m2.is_null()) {
            return true;
        }
        if (Mixed::types_are_comparable(m1, m2)) {
            if (m1.is_type(type_String) && m2.is_type(type_String)) {
                return operator()(m1.get<StringData>(), m2.get<StringData>(), false, false);
            }
            if (m1.is_type(type_Binary) && m2.is_type(type_Binary)) {
                return operator()(m1.get<BinaryData>(), m2.get<BinaryData>(), false, false);
            }
            return m1 == m2;
        }
        return false;
    }

    template <class A, class B>
    bool operator()(A, B) const
    {
        REALM_ASSERT(false);
        return false;
    }
    template <class A, class B, class C, class D>
    bool operator()(A, B, C, D) const
    {
        REALM_ASSERT(false);
        return false;
    }
    bool operator()(int64_t, int64_t, bool, bool) const
    {
        REALM_ASSERT(false);
        return false;
    }

    static std::string description()
    {
        return "==[c]";
    }

    static const int condition = -1;
};

struct NotEqualIns : public HackClass {
    bool operator()(StringData v1, const char* v1_upper, const char* v1_lower, StringData v2, bool = false,
                    bool = false) const
    {
        if (v1.is_null() != v2.is_null())
            return true;
        return v1.size() != v2.size() || !equal_case_fold(v2, v1_upper, v1_lower);
    }

    // Slow version, used if caller hasn't stored an upper and lower case version
    bool operator()(StringData v1, StringData v2, bool = false, bool = false) const
    {
        if (v1.is_null() != v2.is_null())
            return true;

        if (v1.size() != v2.size())
            return true;
        std::string v1_upper = case_map(v1, true, IgnoreErrors);
        std::string v1_lower = case_map(v1, false, IgnoreErrors);
        return !equal_case_fold(v2, v1_upper.c_str(), v1_lower.c_str());
    }
    bool operator()(BinaryData b1, BinaryData b2, bool = false, bool = false) const
    {
        StringData s1(b1.data(), b1.size());
        StringData s2(b2.data(), b2.size());
        return this->operator()(s1, s2, false, false);
    }

    bool operator()(const QueryValue& m1, const QueryValue& m2) const
    {
        return !EqualIns()(m1, m2);
    }

    template <class A, class B>
    bool operator()(A, B) const
    {
        REALM_ASSERT(false);
        return false;
    }
    template <class A, class B, class C, class D>
    bool operator()(A, B, C, D) const
    {
        REALM_ASSERT(false);
        return false;
    }

    static std::string description()
    {
        return "!=[c]";
    }

    static const int condition = -1;
};

struct Greater {
    static const int avx = 0x1E; // _CMP_GT_OQ
    template <class T>
    bool operator()(const T& v1, const T& v2, bool v1null = false, bool v2null = false) const
    {
        if (v1null || v2null)
            return false;

        return v1 > v2;
    }
    bool operator()(const QueryValue& m1, const QueryValue& m2) const
    {
        return Mixed::types_are_comparable(m1, m2) && (m1 > m2);
    }
    static const int condition = cond_Greater;
    template <class A, class B, class C, class D>
    bool operator()(A, B, C, D) const
    {
        REALM_ASSERT(false);
        return false;
    }

    bool can_match(int64_t v, int64_t lbound, int64_t ubound)
    {
        static_cast<void>(lbound);
        return ubound > v;
    }
    bool will_match(int64_t v, int64_t lbound, int64_t ubound)
    {
        static_cast<void>(ubound);
        return lbound > v;
    }

    static std::string description()
    {
        return ">";
    }
};

struct None {
    template <class T>
    bool operator()(const T&, const T&, bool = false, bool = false) const
    {
        return true;
    }
    static const int condition = cond_None;
    template <class A, class B, class C, class D>
    bool operator()(A, B, C, D) const
    {
        REALM_ASSERT(false);
        return false;
    }
    bool can_match(int64_t v, int64_t lbound, int64_t ubound)
    {
        static_cast<void>(lbound);
        static_cast<void>(ubound);
        static_cast<void>(v);
        return true;
    }
    bool will_match(int64_t v, int64_t lbound, int64_t ubound)
    {
        static_cast<void>(lbound);
        static_cast<void>(ubound);
        static_cast<void>(v);
        return true;
    }

    static std::string description()
    {
        return "none";
    }
};

struct NotNull {
    template <class T>
    bool operator()(const T&, const T&, bool v = false, bool = false) const
    {
        return !v;
    }
    static const int condition = cond_LeftNotNull;
    template <class A, class B, class C, class D>
    bool operator()(A, B, C, D) const
    {
        REALM_ASSERT(false);
        return false;
    }
    bool can_match(int64_t v, int64_t lbound, int64_t ubound)
    {
        static_cast<void>(lbound);
        static_cast<void>(ubound);
        static_cast<void>(v);
        return true;
    }
    bool will_match(int64_t v, int64_t lbound, int64_t ubound)
    {
        static_cast<void>(lbound);
        static_cast<void>(ubound);
        static_cast<void>(v);
        return true;
    }
    static std::string description()
    {
        return "!= NULL";
    }
};


struct Less {
    static const int avx = 0x11; // _CMP_LT_OQ
    template <class T>
    bool operator()(const T& v1, const T& v2, bool v1null = false, bool v2null = false) const
    {
        if (v1null || v2null)
            return false;

        return v1 < v2;
    }

    bool operator()(const QueryValue& m1, const QueryValue& m2) const
    {
        return Mixed::types_are_comparable(m1, m2) && (m1 < m2);
    }

    template <class A, class B, class C, class D>
    bool operator()(A, B, C, D) const
    {
        REALM_ASSERT(false);
        return false;
    }
    static const int condition = cond_Less;
    bool can_match(int64_t v, int64_t lbound, int64_t ubound)
    {
        static_cast<void>(ubound);
        return lbound < v;
    }
    bool will_match(int64_t v, int64_t lbound, int64_t ubound)
    {
        static_cast<void>(lbound);
        return ubound < v;
    }
    static std::string description()
    {
        return "<";
    }
};

struct LessEqual : public HackClass {
    static const int avx = 0x12; // _CMP_LE_OQ
    template <class T>
    bool operator()(const T& v1, const T& v2, bool v1null = false, bool v2null = false) const
    {
        if (v1null && v2null)
            return true;

        return (!v1null && !v2null && v1 <= v2);
    }
    bool operator()(const util::Optional<bool>& v1, const util::Optional<bool>& v2, bool v1null, bool v2null) const
    {
        if (v1null && v2null)
            return false;

        return (!v1null && !v2null && *v1 <= *v2);
    }

    bool operator()(const QueryValue& m1, const QueryValue& m2) const
    {
        return (m1.is_null() && m2.is_null()) || (Mixed::types_are_comparable(m1, m2) && (m1 <= m2));
    }

    template <class A, class B, class C, class D>
    bool operator()(A, B, C, D) const
    {
        REALM_ASSERT(false);
        return false;
    }
    static std::string description()
    {
        return "<=";
    }
    static const int condition = -1;
};

struct GreaterEqual : public HackClass {
    static const int avx = 0x1D; // _CMP_GE_OQ
    template <class T>
    bool operator()(const T& v1, const T& v2, bool v1null = false, bool v2null = false) const
    {
        if (v1null && v2null)
            return true;

        return (!v1null && !v2null && v1 >= v2);
    }
    bool operator()(const util::Optional<bool>& v1, const util::Optional<bool>& v2, bool v1null, bool v2null) const
    {
        if (v1null && v2null)
            return false;

        return (!v1null && !v2null && *v1 >= *v2);
    }

    bool operator()(const QueryValue& m1, const QueryValue& m2) const
    {
        return (m1.is_null() && m2.is_null()) || (Mixed::types_are_comparable(m1, m2) && (m1 >= m2));
    }

    template <class A, class B, class C, class D>
    bool operator()(A, B, C, D) const
    {
        REALM_ASSERT(false);
        return false;
    }
    static std::string description()
    {
        return ">=";
    }
    static const int condition = -1;
};

} // namespace realm

#endif // REALM_QUERY_CONDITIONS_HPP

realm / realm-core / daniel.tabacaru_887

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