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VFS Regression and Accuracy Fixes (#776)

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* Regression and Mode Fixes

* Review Fixes

* string_view correction

* Add operator& for FileSys::Mode

* Return std::string from SanitizePath

* Farming Simulator Fix

* Use != With mode operator&
This commit is contained in:
Zach Hilman 2018-07-23 22:40:35 -04:00 • committed by bunnei
parent f6657bc8d7
commit 59cb258409
5 changed files with 75 additions and 37 deletions
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6
src/core/file_sys/mode.h
View file

@ -11,7 +11,13 @@ namespace FileSys {
enum class Mode : u32 {
Read = 1,
Write = 2,
ReadWrite = 3,
Append = 4,
WriteAppend = 6,
};
inline u32 operator&(Mode lhs, Mode rhs) {
return static_cast<u32>(lhs) & static_cast<u32>(rhs);
}
} // namespace FileSys

47
src/core/file_sys/vfs_real.cpp
View file

@ -13,24 +13,31 @@
namespace FileSys {
static std::string PermissionsToCharArray(Mode perms) {
std::string out;
switch (perms) {
case Mode::Read:
out += "r";
break;
case Mode::Write:
out += "r+";
break;
case Mode::Append:
out += "a";
break;
static std::string ModeFlagsToString(Mode mode) {
std::string mode_str;
// Calculate the correct open mode for the file.
if (mode & Mode::Read && mode & Mode::Write) {
if (mode & Mode::Append)
mode_str = "a+";
else
mode_str = "r+";
} else {
if (mode & Mode::Read)
mode_str = "r";
else if (mode & Mode::Append)
mode_str = "a";
else if (mode & Mode::Write)
mode_str = "w";
}
return out + "b";
mode_str += "b";
return mode_str;
}
RealVfsFile::RealVfsFile(const std::string& path_, Mode perms_)
: backing(path_, PermissionsToCharArray(perms_).c_str()), path(path_),
: backing(path_, ModeFlagsToString(perms_).c_str()), path(path_),
parent_path(FileUtil::GetParentPath(path_)),
path_components(FileUtil::SplitPathComponents(path_)),
parent_components(FileUtil::SliceVector(path_components, 0, path_components.size() - 1)),
@ -53,11 +60,11 @@ std::shared_ptr<VfsDirectory> RealVfsFile::GetContainingDirectory() const {
}
bool RealVfsFile::IsWritable() const {
return perms == Mode::Append || perms == Mode::Write;
return (perms & Mode::WriteAppend) != 0;
}
bool RealVfsFile::IsReadable() const {
return perms == Mode::Read || perms == Mode::Write;
return (perms & Mode::ReadWrite) != 0;
}
size_t RealVfsFile::Read(u8* data, size_t length, size_t offset) const {
@ -79,7 +86,7 @@ bool RealVfsFile::Rename(std::string_view name) {
path = (parent_path + DIR_SEP).append(name);
path_components = parent_components;
path_components.push_back(std::move(name_str));
backing = FileUtil::IOFile(path, PermissionsToCharArray(perms).c_str());
backing = FileUtil::IOFile(path, ModeFlagsToString(perms).c_str());
return out;
}
@ -93,7 +100,7 @@ RealVfsDirectory::RealVfsDirectory(const std::string& path_, Mode perms_)
path_components(FileUtil::SplitPathComponents(path)),
parent_components(FileUtil::SliceVector(path_components, 0, path_components.size() - 1)),
perms(perms_) {
if (!FileUtil::Exists(path) && (perms == Mode::Write || perms == Mode::Append))
if (!FileUtil::Exists(path) && perms & Mode::WriteAppend)
FileUtil::CreateDir(path);
if (perms == Mode::Append)
@ -120,11 +127,11 @@ std::vector<std::shared_ptr<VfsDirectory>> RealVfsDirectory::GetSubdirectories()
}
bool RealVfsDirectory::IsWritable() const {
return perms == Mode::Write || perms == Mode::Append;
return (perms & Mode::WriteAppend) != 0;
}
bool RealVfsDirectory::IsReadable() const {
return perms == Mode::Read || perms == Mode::Write;
return (perms & Mode::ReadWrite) != 0;
}
std::string RealVfsDirectory::GetName() const {