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// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <string>
#include "InputCommon/ControllerInterface/Device.h"
namespace ciface
{
namespace ExpressionParser
{
class ControlQualifier
{
public:
bool has_device;
Core::DeviceQualifier device_qualifier;
std::string control_name;
ControlQualifier() : has_device(false) {}
operator std::string()
{
if (has_device)
return device_qualifier.ToString() + ":" + control_name;
else
return control_name;
}
};
class ControlFinder
{
public:
ControlFinder(const Core::DeviceContainer &container_, const Core::DeviceQualifier &default_, const bool is_input_) : container(container_), default_device(default_), is_input(is_input_) {}
Core::Device::Control *FindControl(ControlQualifier qualifier);
private:
Core::Device *FindDevice(ControlQualifier qualifier);
const Core::DeviceContainer &container;
const Core::DeviceQualifier &default_device;
bool is_input;
};
class ExpressionNode;
class Expression
{
public:
Expression() : node(nullptr) {}
Expression(ExpressionNode *node);
~Expression();
ControlState GetValue();
void SetValue (ControlState state);
int num_controls;
ExpressionNode *node;
};
enum ExpressionParseStatus
{
EXPRESSION_PARSE_SUCCESS = 0,
EXPRESSION_PARSE_SYNTAX_ERROR,
EXPRESSION_PARSE_NO_DEVICE,
};
ExpressionParseStatus ParseExpression(const std::string& expr, ControlFinder &finder, Expression **expr_out);
}
}
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