added iOS source code

[wl-app.git] / iOS / Pods / Realm / include / core / realm / parser / query_builder.hpp

diff --git a/iOS/Pods/Realm/include/core/realm/parser/query_builder.hpp b/iOS/Pods/Realm/include/core/realm/parser/query_builder.hpp
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+++ b/iOS/Pods/Realm/include/core/realm/parser/query_builder.hpp
@@ -0,0 +1,124 @@
+////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2015 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_BUILDER_HPP
+#define REALM_QUERY_BUILDER_HPP
+
+#include <string>
+#include <memory>
+#include <vector>
+
+#include <realm/binary_data.hpp>
+#include <realm/null.hpp>
+#include <realm/string_data.hpp>
+#include <realm/timestamp.hpp>
+#include <realm/table.hpp>
+#include <realm/util/any.hpp>
+#include <realm/util/string_buffer.hpp>
+
+namespace realm {
+class Query;
+class Realm;
+class Table;
+template<typename> class BasicRowExpr;
+using RowExpr = BasicRowExpr<Table>;
+
+namespace parser {
+    struct Predicate;
+}
+
+namespace query_builder {
+class Arguments;
+
+void apply_predicate(Query& query, const parser::Predicate& predicate, Arguments& arguments);
+
+void apply_predicate(Query& query, const parser::Predicate& predicate); // zero out of string args version
+
+
+struct AnyContext
+{
+    template<typename T>
+    T unbox(const util::Any& wrapper) {
+        return util::any_cast<T>(wrapper);
+    }
+    bool is_null(const util::Any& wrapper) {
+        if (!wrapper.has_value()) {
+            return true;
+        }
+        if (wrapper.type() == typeid(realm::null)) {
+            return true;
+        }
+        return false;
+    }
+};
+
+class Arguments {
+public:
+    virtual bool bool_for_argument(size_t argument_index) = 0;
+    virtual long long long_for_argument(size_t argument_index) = 0;
+    virtual float float_for_argument(size_t argument_index) = 0;
+    virtual double double_for_argument(size_t argument_index) = 0;
+    virtual StringData string_for_argument(size_t argument_index) = 0;
+    virtual BinaryData binary_for_argument(size_t argument_index) = 0;
+    virtual Timestamp timestamp_for_argument(size_t argument_index) = 0;
+    virtual size_t object_index_for_argument(size_t argument_index) = 0;
+    virtual bool is_argument_null(size_t argument_index) = 0;
+    util::StringBuffer buffer_space; // dynamic conversion space with lifetime tied to this
+};
+
+template<typename ValueType, typename ContextType>
+class ArgumentConverter : public Arguments {
+public:
+    ArgumentConverter(ContextType& context, const ValueType* arguments, size_t count)
+    : m_ctx(context)
+    , m_arguments(arguments)
+    , m_count(count)
+    {}
+
+    bool bool_for_argument(size_t i) override { return get<bool>(i); }
+    long long long_for_argument(size_t i) override { return get<int64_t>(i); }
+    float float_for_argument(size_t i) override { return get<float>(i); }
+    double double_for_argument(size_t i) override { return get<double>(i); }
+    StringData string_for_argument(size_t i) override { return get<StringData>(i); }
+    BinaryData binary_for_argument(size_t i) override { return get<BinaryData>(i); }
+    Timestamp timestamp_for_argument(size_t i) override { return get<Timestamp>(i); }
+    size_t object_index_for_argument(size_t i) override { return get<RowExpr>(i).get_index(); }
+    bool is_argument_null(size_t i) override { return m_ctx.is_null(at(i)); }
+
+private:
+    ContextType& m_ctx;
+    const ValueType* m_arguments;
+    size_t m_count;
+
+    const ValueType& at(size_t index) const
+    {
+        if (index >= m_count)
+            throw std::out_of_range("vector");
+        return m_arguments[index];
+    }
+
+    template<typename T>
+    T get(size_t index) const
+    {
+        return m_ctx.template unbox<T>(at(index));
+    }
+};
+} // namespace query_builder
+} // namespace realm
+
+#endif // REALM_QUERY_BUILDER_HPP