added iOS source code

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

diff --git a/iOS/Pods/Realm/include/core/realm/parser/parser.hpp b/iOS/Pods/Realm/include/core/realm/parser/parser.hpp
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+////////////////////////////////////////////////////////////////////////////
+//
+// 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_PARSER_HPP
+#define REALM_PARSER_HPP
+
+#include <vector>
+#include <string>
+
+namespace realm {
+
+namespace parser {
+struct Expression
+{
+    enum class Type { None, Number, String, KeyPath, Argument, True, False, Null, Timestamp, Base64 } type;
+    enum class KeyPathOp { None, Min, Max, Avg, Sum, Count, Size } collection_op;
+    std::string s;
+    std::vector<std::string> time_inputs;
+    std::string op_suffix;
+    Expression(Type t = Type::None, std::string input = "") : type(t), collection_op(KeyPathOp::None), s(input) {}
+    Expression(std::vector<std::string>&& timestamp) : type(Type::Timestamp), collection_op(KeyPathOp::None), time_inputs(timestamp) {}
+    Expression(std::string prefix, KeyPathOp op, std::string suffix) : type(Type::KeyPath), collection_op(op), s(prefix), op_suffix(suffix) {}
+};
+
+struct Predicate
+{
+    enum class Type
+    {
+        Comparison,
+        Or,
+        And,
+        True,
+        False
+    } type = Type::And;
+
+    enum class Operator
+    {
+        None,
+        Equal,
+        NotEqual,
+        LessThan,
+        LessThanOrEqual,
+        GreaterThan,
+        GreaterThanOrEqual,
+        BeginsWith,
+        EndsWith,
+        Contains,
+        Like
+    };
+
+    enum class OperatorOption
+    {
+        None,
+        CaseInsensitive,
+    };
+
+    struct Comparison
+    {
+        Operator op = Operator::None;
+        OperatorOption option = OperatorOption::None;
+        Expression expr[2] = {{Expression::Type::None, ""}, {Expression::Type::None, ""}};
+    };
+
+    struct Compound
+    {
+        std::vector<Predicate> sub_predicates;
+    };
+
+    Comparison cmpr;
+    Compound   cpnd;
+
+    bool negate = false;
+
+    Predicate(Type t, bool n = false) : type(t), negate(n) {}
+};
+
+Predicate parse(const std::string &query);
+
+// run the analysis tool to check for cycles in the grammar
+// returns the number of problems found and prints some info to std::cout
+size_t analyze_grammar();
+}
+}
+
+#endif // REALM_PARSER_HPP