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ControllerInterface/Device: Use std::string_view where applicable 

In these cases, the given string is only ever compared against other
string, so std::string can be turned into a std::string_view to allow
non-allocating inputs.
This commit is contained in:
Lioncash 2019-05-29 18:42:22 -04:00
parent 80d8173d29
commit 1355b43fd2
2 changed files with 14 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
Source/Core/InputCommon/ControllerInterface/Device.cpp
View File

@ -52,7 +52,7 @@ std::string Device::GetQualifiedName() const
return StringFromFormat("%s/%i/%s", this->GetSource().c_str(), GetId(), this->GetName().c_str()); return StringFromFormat("%s/%i/%s", this->GetSource().c_str(), GetId(), this->GetName().c_str());
} }
Device::Input* Device::FindInput(const std::string& name) const Device::Input* Device::FindInput(std::string_view name) const
{ {
for (Input* input : m_inputs) for (Input* input : m_inputs)
{ {
@ -63,7 +63,7 @@ Device::Input* Device::FindInput(const std::string& name) const
return nullptr; return nullptr;
} }
Device::Output* Device::FindOutput(const std::string& name) const Device::Output* Device::FindOutput(std::string_view name) const
{ {
for (Output* output : m_outputs) for (Output* output : m_outputs)
{ {
@ -74,7 +74,7 @@ Device::Output* Device::FindOutput(const std::string& name) const
return nullptr; return nullptr;
} }
bool Device::Control::IsMatchingName(const std::string& name) const bool Device::Control::IsMatchingName(std::string_view name) const
{ {
return GetName() == name; return GetName() == name;
} }
@ -90,7 +90,7 @@ std::string Device::FullAnalogSurface::GetName() const
return "Full " + m_high.GetName(); return "Full " + m_high.GetName();
} }
bool Device::FullAnalogSurface::IsMatchingName(const std::string& name) const bool Device::FullAnalogSurface::IsMatchingName(std::string_view name) const
{ {
if (Control::IsMatchingName(name)) if (Control::IsMatchingName(name))
return true; return true;
@ -218,7 +218,7 @@ std::string DeviceContainer::GetDefaultDeviceString() const
return device_qualifier.ToString(); return device_qualifier.ToString();
} }
Device::Input* DeviceContainer::FindInput(const std::string& name, const Device* def_dev) const Device::Input* DeviceContainer::FindInput(std::string_view name, const Device* def_dev) const
{ {
if (def_dev) if (def_dev)
{ {
@ -239,7 +239,7 @@ Device::Input* DeviceContainer::FindInput(const std::string& name, const Device*
return nullptr; return nullptr;
} }
Device::Output* DeviceContainer::FindOutput(const std::string& name, const Device* def_dev) const Device::Output* DeviceContainer::FindOutput(std::string_view name, const Device* def_dev) const
{ {
return def_dev->FindOutput(name); return def_dev->FindOutput(name);
} }

15
Source/Core/InputCommon/ControllerInterface/Device.h
View File

@ -8,6 +8,7 @@
#include <mutex> #include <mutex>
#include <optional> #include <optional>
#include <string> #include <string>
#include <string_view>
#include <vector> #include <vector>
#include "Common/CommonTypes.h" #include "Common/CommonTypes.h"
@ -42,14 +43,14 @@ public:
class Control // input or output class Control // input or output
{ {
public: public:
virtual ~Control() = default;
virtual std::string GetName() const = 0; virtual std::string GetName() const = 0;
virtual ~Control() {}
virtual Input* ToInput() { return nullptr; } virtual Input* ToInput() { return nullptr; }
virtual Output* ToOutput() { return nullptr; } virtual Output* ToOutput() { return nullptr; }
// May be overridden to allow multiple valid names. // May be overridden to allow multiple valid names.
// Useful for backwards-compatible configurations when names change. // Useful for backwards-compatible configurations when names change.
virtual bool IsMatchingName(const std::string& name) const; virtual bool IsMatchingName(std::string_view name) const;
}; };
// //
@ -111,8 +112,8 @@ public:
const std::vector<Input*>& Inputs() const { return m_inputs; } const std::vector<Input*>& Inputs() const { return m_inputs; }
const std::vector<Output*>& Outputs() const { return m_outputs; } const std::vector<Output*>& Outputs() const { return m_outputs; }
Input* FindInput(const std::string& name) const; Input* FindInput(std::string_view name) const;
Output* FindOutput(const std::string& name) const; Output* FindOutput(std::string_view name) const;
protected: protected:
void AddInput(Input* const i); void AddInput(Input* const i);
@ -124,7 +125,7 @@ protected:
FullAnalogSurface(Input* low, Input* high) : m_low(*low), m_high(*high) {} FullAnalogSurface(Input* low, Input* high) : m_low(*low), m_high(*high) {}
ControlState GetState() const override; ControlState GetState() const override;
std::string GetName() const override; std::string GetName() const override;
bool IsMatchingName(const std::string& name) const override; bool IsMatchingName(std::string_view name) const override;
private: private:
Input& m_low; Input& m_low;
@ -177,8 +178,8 @@ public:
class DeviceContainer class DeviceContainer
{ {
public: public:
Device::Input* FindInput(const std::string& name, const Device* def_dev) const; Device::Input* FindInput(std::string_view name, const Device* def_dev) const;
Device::Output* FindOutput(const std::string& name, const Device* def_dev) const; Device::Output* FindOutput(std::string_view name, const Device* def_dev) const;
std::vector<std::string> GetAllDeviceStrings() const; std::vector<std::string> GetAllDeviceStrings() const;
std::string GetDefaultDeviceString() const; std::string GetDefaultDeviceString() const;