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ControllerInterface: Add RemoveDevice()

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This adds RemoveDevice() to ControllerInterface, fixes ExpressionParser
and some other code to support device removals without crashing,
and adds an IsValid() method to Device, to prepare for hotplugging.
This commit is contained in:
Léo Lam 2016-07-14 17:45:59 +02:00
parent 0d783f0869
commit 93f5df4195
13 changed files with 69 additions and 19 deletions
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13
Source/Core/InputCommon/ControllerInterface/ExpressionParser.cpp
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@ -235,8 +235,9 @@ public:
ControlQualifier qualifier;
Device::Control* control;
ControlExpression(ControlQualifier qualifier_, Device::Control* control_)
: qualifier(qualifier_), control(control_)
ControlExpression(ControlQualifier qualifier_, std::shared_ptr<Device> device,
Device::Control* control_)
: qualifier(qualifier_), control(control_), m_device(device)
{
}
@ -244,6 +245,8 @@ public:
void SetValue(ControlState value) override { control->ToOutput()->SetGatedState(value); }
int CountNumControls() override { return 1; }
operator std::string() override { return "`" + (std::string)qualifier + "`"; }
private:
std::shared_ptr<Device> m_device;
};
class BinaryExpression : public ExpressionNode
@ -393,6 +396,7 @@ private:
{
case TOK_CONTROL:
{
std::shared_ptr<Device> device = finder.FindDevice(tok.qualifier);
Device::Control* control = finder.FindControl(tok.qualifier);
if (control == nullptr)
{
@ -400,7 +404,7 @@ private:
return EXPRESSION_PARSE_SUCCESS;
}
*expr_out = new ControlExpression(tok.qualifier, control);
*expr_out = new ControlExpression(tok.qualifier, device, control);
return EXPRESSION_PARSE_SUCCESS;
}
case TOK_LPAREN:
@ -550,10 +554,11 @@ ExpressionParseStatus ParseExpression(const std::string& str, ControlFinder& fin
qualifier.control_name = str;
qualifier.has_device = false;
std::shared_ptr<Device> device = finder.FindDevice(qualifier);
Device::Control* control = finder.FindControl(qualifier);
if (control)
{
*expr_out = new Expression(new ControlExpression(qualifier, control));
*expr_out = new Expression(new ControlExpression(qualifier, device, control));
return EXPRESSION_PARSE_SUCCESS;
}