72 lines
1.5 KiB
C++
72 lines
1.5 KiB
C++
// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#pragma once
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#include <memory>
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#include <string>
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#include "InputCommon/ControllerInterface/Device.h"
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namespace ciface
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{
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namespace ExpressionParser
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{
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class ControlQualifier
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{
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public:
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bool has_device;
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Core::DeviceQualifier device_qualifier;
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std::string control_name;
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ControlQualifier() : has_device(false) {}
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operator std::string() const
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{
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if (has_device)
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return device_qualifier.ToString() + ":" + control_name;
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else
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return control_name;
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}
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};
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class ControlFinder
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{
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public:
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ControlFinder(const Core::DeviceContainer& container_, const Core::DeviceQualifier& default_,
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const bool is_input_)
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: container(container_), default_device(default_), is_input(is_input_)
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{
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}
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std::shared_ptr<Core::Device> FindDevice(ControlQualifier qualifier) const;
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Core::Device::Control* FindControl(ControlQualifier qualifier) const;
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private:
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const Core::DeviceContainer& container;
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const Core::DeviceQualifier& default_device;
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bool is_input;
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};
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class ExpressionNode;
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class Expression
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{
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public:
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Expression() : node(nullptr) {}
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Expression(ExpressionNode* node);
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~Expression();
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ControlState GetValue() const;
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void SetValue(ControlState state);
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int num_controls;
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ExpressionNode* node;
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};
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enum class ParseStatus
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{
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Successful,
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SyntaxError,
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NoDevice,
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};
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ParseStatus ParseExpression(const std::string& expr, ControlFinder& finder, Expression** expr_out);
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}
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}
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