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Use std::u16string for conversion between UTF-8 and UTF-16, FS:USER functions

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This commit is contained in:
archshift 2014-11-10 14:36:32 -08:00
parent 0ad5964c8b
commit 1f7c4ab7f6
5 changed files with 257 additions and 192 deletions
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99
src/core/file_sys/archive.h
View file

@ -7,11 +7,13 @@
#include <memory>
#include "common/common_types.h"
#include "common/string_util.h"
#include "common/bit_field.h"
#include "core/file_sys/file.h"
#include "core/file_sys/directory.h"
#include "core/mem_map.h"
#include "core/hle/kernel/kernel.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
@ -19,6 +21,15 @@
namespace FileSys {
// Path string type
enum LowPathType : u32 {
Invalid = 0,
Empty = 1,
Binary = 2,
Char = 3,
Wchar = 4
};
union Mode {
u32 hex;
BitField<0, 1, u32> read_flag;
@ -26,6 +37,94 @@ union Mode {
BitField<2, 1, u32> create_flag;
};
class Path {
public:
Path():
type(Invalid)
{
}
Path(LowPathType type, u32 size, u32 pointer):
type(type)
{
switch (type) {
case Binary:
{
u8* data = Memory::GetPointer(pointer);
binary = std::vector<u8>(data, data + size);
break;
}
case Char:
{
const char* data = reinterpret_cast<const char*>(Memory::GetPointer(pointer));
string = std::string(data, size - 1); // Data is always null-terminated.
break;
}
case Wchar:
{
const char16_t* data = reinterpret_cast<const char16_t*>(Memory::GetPointer(pointer));
u16str = std::u16string(data, size/2 - 1); // Data is always null-terminated.
break;
}
}
}
LowPathType GetType() const {
return type;
}
const std::string AsString() const {
switch (GetType()) {
case Char:
return string;
case Wchar:
return Common::UTF16ToUTF8(u16str);
case Empty:
return {};
default:
ERROR_LOG(KERNEL, "LowPathType cannot be converted to string!");
return {};
}
}
const std::u16string AsU16Str() const {
switch (GetType()) {
case Char:
return Common::UTF8ToUTF16(string);
case Wchar:
return u16str;
case Empty:
return {};
default:
ERROR_LOG(KERNEL, "LowPathType cannot be converted to u16string!");
return {};
}
}
const std::vector<u8> AsBinary() const {
switch (GetType()) {
case Binary:
return binary;
case Char:
return std::vector<u8>(string.begin(), string.end());
case Wchar:
return std::vector<u8>(u16str.begin(), u16str.end());
case Empty:
return {};
default:
ERROR_LOG(KERNEL, "LowPathType cannot be converted to binary!");
return {};
}
}
private:
LowPathType type;
std::vector<u8> binary;
std::string string;
std::u16string u16str;
};
class Archive : NonCopyable {
public:
/// Supported archive types

149
src/core/hle/service/fs_user.cpp
View file

@ -14,75 +14,6 @@
namespace FS_User {
FS_Path::FS_Path(LowPathType type, u32 size, u32 pointer):
type(type)
{
switch (type) {
case Binary:
{
auto data = Memory::GetPointer(pointer);
binary = std::vector<u8>(data, data + size);
break;
}
case Char:
{
auto data = reinterpret_cast<const char*>(Memory::GetPointer(pointer));
string = std::string(data, size - 1);
}
case Wchar:
{
auto data = reinterpret_cast<const char16_t*>(Memory::GetPointer(pointer));
u16str = std::u16string(data, size/2 - 1);
}
}
}
FS_Path::LowPathType FS_Path::GetType() const {
return type;
}
const std::vector<u8>& FS_Path::GetBinary() const {
return binary;
}
const std::string& FS_Path::GetString() const {
_dbg_assert_msg_(KERNEL, type == Char, "LowPathType is not Char!");
return string;
}
const std::u16string& FS_Path::GetU16Str() const {
_dbg_assert_msg_(KERNEL, type == Wchar, "LowPathType is not Wchar!");
return u16str;
}
std::string FS_Path::AsString() {
switch (GetType()) {
case FS_Path::Char:
return GetString();
case FS_Path::Empty:
return {};
case FS_Path::Wchar:
{
auto str16 = GetU16Str();
return Common::UTF16ToUTF8(std::wstring(str16.cbegin(), str16.cend()));
}
}
}
std::u16string FS_Path::AsU16Str() {
switch (GetType()) {
case FS_Path::Wchar:
return GetU16Str();
case FS_Path::Empty:
return {};
case FS_Path::Char:
{
auto str = GetString();
return std::u16string(str.cbegin(), str.cend());
}
}
}
// We currently return 0 for success and -1 for failure in cmd_buff[1]. -1 was chosen because it
// puts all the sections of the http://3dbrew.org/wiki/Error_codes to something non-zero, to make
// sure we don't mislead the application into thinking something worked.
@ -103,22 +34,22 @@ void OpenFile(Service::Interface* self) {
// TODO(Link Mauve): cmd_buff[2], aka archive handle lower word, isn't used according to
// 3dmoo's or ctrulib's implementations. Triple check if it's really the case.
Handle archive_handle = static_cast<Handle>(cmd_buff[3]);
auto filename_type = static_cast<FS_Path::LowPathType>(cmd_buff[4]);
auto filename_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
u32 filename_size = cmd_buff[5];
FileSys::Mode mode; mode.hex = cmd_buff[6];
u32 attributes = cmd_buff[7]; // TODO(Link Mauve): do something with those attributes.
u32 filename_ptr = cmd_buff[9];
FS_Path file_path(filename_type, filename_size, filename_ptr);
FileSys::Path file_path(filename_type, filename_size, filename_ptr);
std::string file_string;
switch (file_path.GetType()) {
case FS_Path::Char:
case FS_Path::Wchar:
file_string = file_path.AsString();
break;
default:
WARN_LOG(KERNEL, "file LowPath type is currently unsupported; returning archive handle instead");
return;
case FileSys::Char:
case FileSys::Wchar:
file_string = file_path.AsString();
break;
default:
WARN_LOG(KERNEL, "file LowPath type is currently unsupported; returning archive handle instead");
return;
}
DEBUG_LOG(KERNEL, "type=%d size=%d mode=%d attrs=%d data=%s",
@ -141,9 +72,9 @@ void OpenFileDirectly(Service::Interface* self) {
u32* cmd_buff = Service::GetCommandBuffer();
auto archive_id = static_cast<FileSys::Archive::IdCode>(cmd_buff[2]);
auto archivename_type = static_cast<FS_Path::LowPathType>(cmd_buff[3]);
auto archivename_type = static_cast<FileSys::LowPathType>(cmd_buff[3]);
u32 archivename_size = cmd_buff[4];
auto filename_type = static_cast<FS_Path::LowPathType>(cmd_buff[5]);
auto filename_type = static_cast<FileSys::LowPathType>(cmd_buff[5]);
u32 filename_size = cmd_buff[6];
FileSys::Mode mode; mode.hex = cmd_buff[7];
u32 attributes = cmd_buff[8]; // TODO(Link Mauve): do something with those attributes.
@ -153,7 +84,7 @@ void OpenFileDirectly(Service::Interface* self) {
DEBUG_LOG(KERNEL, "archive_type=%d archive_size=%d file_type=%d file_size=%d file_mode=%d file_attrs=%d",
archivename_type, archivename_size, filename_type, filename_size, mode, attributes);
if (archivename_type != FS_Path::Empty) {
if (archivename_type != FileSys::Empty) {
ERROR_LOG(KERNEL, "archive LowPath type other than empty is currently unsupported");
cmd_buff[1] = -1;
return;
@ -172,16 +103,16 @@ void OpenFileDirectly(Service::Interface* self) {
return;
}
FS_Path file_path(filename_type, filename_size, filename_ptr);
FileSys::Path file_path(filename_type, filename_size, filename_ptr);
std::string file_string;
switch (file_path.GetType()) {
case FS_Path::Char:
case FS_Path::Wchar:
file_string = file_path.AsString();
break;
default:
WARN_LOG(KERNEL, "file LowPath type is currently unsupported; returning archive handle instead");
return;
case FileSys::Char:
case FileSys::Wchar:
file_string = file_path.AsString();
break;
default:
WARN_LOG(KERNEL, "file LowPath type is currently unsupported; returning archive handle instead");
return;
}
Handle handle = Kernel::OpenFileFromArchive(archive_handle, file_string, mode);
@ -214,20 +145,20 @@ void CreateDirectory(Service::Interface* self) {
// TODO: cmd_buff[2], aka archive handle lower word, isn't used according to
// 3dmoo's or ctrulib's implementations. Triple check if it's really the case.
Handle archive_handle = static_cast<Handle>(cmd_buff[3]);
auto dirname_type = static_cast<FS_Path::LowPathType>(cmd_buff[4]);
auto dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
u32 dirname_size = cmd_buff[5];
u32 dirname_ptr = cmd_buff[8];
FS_Path dir_path(dirname_type, dirname_size, dirname_ptr);
FileSys::Path dir_path(dirname_type, dirname_size, dirname_ptr);
std::string dir_string;
switch (dir_path.GetType()) {
case FS_Path::Char:
case FS_Path::Wchar:
dir_string = dir_path.AsString();
break;
default:
cmd_buff[1] = -1;
return;
case FileSys::Char:
case FileSys::Wchar:
dir_string = dir_path.AsString();
break;
default:
cmd_buff[1] = -1;
return;
}
DEBUG_LOG(KERNEL, "type=%d size=%d data=%s", dirname_type, dirname_size, dir_string.c_str());
@ -243,20 +174,20 @@ void OpenDirectory(Service::Interface* self) {
// TODO(Link Mauve): cmd_buff[2], aka archive handle lower word, isn't used according to
// 3dmoo's or ctrulib's implementations. Triple check if it's really the case.
Handle archive_handle = static_cast<Handle>(cmd_buff[2]);
auto dirname_type = static_cast<FS_Path::LowPathType>(cmd_buff[3]);
auto dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[3]);
u32 dirname_size = cmd_buff[4];
u32 dirname_ptr = cmd_buff[6];
FS_Path dir_path(dirname_type, dirname_size, dirname_ptr);
FileSys::Path dir_path(dirname_type, dirname_size, dirname_ptr);
std::string dir_string;
switch (dir_path.GetType()) {
case FS_Path::Char:
case FS_Path::Wchar:
dir_string = dir_path.AsString();
break;
default:
cmd_buff[1] = -1;
return;
case FileSys::Char:
case FileSys::Wchar:
dir_string = dir_path.AsString();
break;
default:
cmd_buff[1] = -1;
return;
}
DEBUG_LOG(KERNEL, "type=%d size=%d data=%s", dirname_type, dirname_size, dir_string.c_str());
@ -278,13 +209,13 @@ void OpenArchive(Service::Interface* self) {
u32* cmd_buff = Service::GetCommandBuffer();
auto archive_id = static_cast<FileSys::Archive::IdCode>(cmd_buff[1]);
auto archivename_type = static_cast<FS_Path::LowPathType>(cmd_buff[2]);
auto archivename_type = static_cast<FileSys::LowPathType>(cmd_buff[2]);
u32 archivename_size = cmd_buff[3];
u32 archivename_ptr = cmd_buff[5];
DEBUG_LOG(KERNEL, "type=%d size=%d", archivename_type, archivename_size);
if (archivename_type != FS_Path::Empty) {
if (archivename_type != FileSys::Empty) {
ERROR_LOG(KERNEL, "archive LowPath type other than empty is currently unsupported");
cmd_buff[1] = -1;
return;

29
src/core/hle/service/fs_user.h
View file

@ -11,35 +11,6 @@
namespace FS_User {
class FS_Path {
public:
// Command to access archive file
enum LowPathType : u32 {
Invalid = 0,
Empty = 1,
Binary = 2,
Char = 3,
Wchar = 4
};
FS_Path(LowPathType type, u32 size, u32 pointer);
LowPathType GetType() const;
const std::vector<u8>& GetBinary() const;
const std::string& GetString() const;
const std::u16string& GetU16Str() const;
std::string AsString();
std::u16string AsU16Str();
private:
LowPathType type;
std::vector<u8> binary;
std::string string;
std::u16string u16str;
};
/// Interface to "fs:USER" service
class Interface : public Service::Interface {
public: