yuzu/src/core/file_sys/archive_backend.cpp
2015-05-06 23:45:06 -03:00

128 lines
3.0 KiB
C++

// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <sstream>
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/file_sys/archive_backend.h"
#include "core/mem_map.h"
namespace FileSys {
Path::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;
}
default:
break;
}
}
const std::string Path::DebugStr() const {
switch (GetType()) {
case Invalid:
default:
return "[Invalid]";
case Empty:
return "[Empty]";
case Binary:
{
std::stringstream res;
res << "[Binary: ";
for (unsigned byte : binary)
res << std::hex << std::setw(2) << std::setfill('0') << byte;
res << ']';
return res.str();
}
case Char:
return "[Char: " + AsString() + ']';
case Wchar:
return "[Wchar: " + AsString() + ']';
}
}
const std::string Path::AsString() const {
switch (GetType()) {
case Char:
return string;
case Wchar:
return Common::UTF16ToUTF8(u16str);
case Empty:
return{};
case Invalid:
case Binary:
default:
// TODO(yuriks): Add assert
LOG_ERROR(Service_FS, "LowPathType cannot be converted to string!");
return{};
}
}
const std::u16string Path::AsU16Str() const {
switch (GetType()) {
case Char:
return Common::UTF8ToUTF16(string);
case Wchar:
return u16str;
case Empty:
return{};
case Invalid:
case Binary:
// TODO(yuriks): Add assert
LOG_ERROR(Service_FS, "LowPathType cannot be converted to u16string!");
return{};
}
}
const std::vector<u8> Path::AsBinary() const {
switch (GetType()) {
case Binary:
return binary;
case Char:
return std::vector<u8>(string.begin(), string.end());
case Wchar:
{
// use two u8 for each character of u16str
std::vector<u8> to_return(u16str.size() * 2);
for (size_t i = 0; i < u16str.size(); ++i) {
u16 tmp_char = u16str.at(i);
to_return[i*2] = (tmp_char & 0xFF00) >> 8;
to_return[i*2 + 1] = (tmp_char & 0x00FF);
}
return to_return;
}
case Empty:
return{};
case Invalid:
default:
// TODO(yuriks): Add assert
LOG_ERROR(Service_FS, "LowPathType cannot be converted to binary!");
return{};
}
}
}