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file_util, vfs: Use std::string_view where applicable

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Avoids unnecessary construction of std::string instances where
applicable.
This commit is contained in:
Lioncash
2018-07-22 01:23:29 -04:00
parent ef163c1a15
commit 398444e676
10 changed files with 209 additions and 132 deletions
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14
src/core/file_sys/vfs_real.h
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@ -4,6 +4,8 @@
#pragma once
#include <string_view>
#include "common/file_util.h"
#include "core/file_sys/mode.h"
#include "core/file_sys/vfs.h"
@ -24,7 +26,7 @@ struct RealVfsFile : public VfsFile {
bool IsReadable() const override;
size_t Read(u8* data, size_t length, size_t offset) const override;
size_t Write(const u8* data, size_t length, size_t offset) override;
bool Rename(const std::string& name) override;
bool Rename(std::string_view name) override;
private:
bool Close();
@ -47,11 +49,11 @@ struct RealVfsDirectory : public VfsDirectory {
bool IsReadable() const override;
std::string GetName() const override;
std::shared_ptr<VfsDirectory> GetParentDirectory() const override;
std::shared_ptr<VfsDirectory> CreateSubdirectory(const std::string& name) override;
std::shared_ptr<VfsFile> CreateFile(const std::string& name) override;
bool DeleteSubdirectory(const std::string& name) override;
bool DeleteFile(const std::string& name) override;
bool Rename(const std::string& name) override;
std::shared_ptr<VfsDirectory> CreateSubdirectory(std::string_view name) override;
std::shared_ptr<VfsFile> CreateFile(std::string_view name) override;
bool DeleteSubdirectory(std::string_view name) override;
bool DeleteFile(std::string_view name) override;
bool Rename(std::string_view name) override;
protected:
bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;