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e149ad4f0a
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55 lines
1.2 KiB
C++
55 lines
1.2 KiB
C++
// Copyright 2019 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <memory>
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#include <string>
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#include <string_view>
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#include <variant>
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#include <vector>
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#include "Common/CommonTypes.h"
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#include "InputCommon/ControlReference/ExpressionParser.h"
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namespace ciface::ExpressionParser
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{
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constexpr ControlState CONDITION_THRESHOLD = 0.5;
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class FunctionExpression : public Expression
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{
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public:
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struct ArgumentsAreValid
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{
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};
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struct ExpectedArguments
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{
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std::string text;
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};
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using ArgumentValidation = std::variant<ArgumentsAreValid, ExpectedArguments>;
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int CountNumControls() const override;
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void UpdateReferences(ControlEnvironment& env) override;
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ArgumentValidation SetArguments(std::vector<std::unique_ptr<Expression>>&& args);
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void SetValue(ControlState value) override;
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protected:
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virtual ArgumentValidation
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ValidateArguments(const std::vector<std::unique_ptr<Expression>>& args) = 0;
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Expression& GetArg(u32 number);
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const Expression& GetArg(u32 number) const;
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u32 GetArgCount() const;
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private:
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std::vector<std::unique_ptr<Expression>> m_args;
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};
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std::unique_ptr<FunctionExpression> MakeFunctionExpression(std::string_view name);
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} // namespace ciface::ExpressionParser
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