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// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <algorithm>
#include <string>
#include <unordered_set>
#include <utility>
#include <vector>
#include "Common/CommonTypes.h"
#include "Common/FileUtil.h"
#include "Common/Logging/Log.h"
#include "Common/NandPaths.h"
#include "Common/StringUtil.h"
#include "Common/Swap.h"
namespace Common
{
std::string RootUserPath(FromWhichRoot from)
{
int idx = from == FROM_CONFIGURED_ROOT ? D_WIIROOT_IDX : D_SESSION_WIIROOT_IDX;
return File::GetUserPath(idx);
}
std::string GetImportTitlePath(u64 title_id, FromWhichRoot from)
{
return RootUserPath(from) + StringFromFormat("/import/%08x/%08x",
static_cast<u32>(title_id >> 32),
static_cast<u32>(title_id));
}
std::string GetTicketFileName(u64 _titleID, FromWhichRoot from)
{
return StringFromFormat("%s/ticket/%08x/%08x.tik", RootUserPath(from).c_str(),
(u32)(_titleID >> 32), (u32)_titleID);
}
std::string GetTitlePath(u64 title_id, FromWhichRoot from)
{
return StringFromFormat("%s/title/%08x/%08x/", RootUserPath(from).c_str(),
static_cast<u32>(title_id >> 32), static_cast<u32>(title_id));
}
std::string GetTitleDataPath(u64 _titleID, FromWhichRoot from)
{
return GetTitlePath(_titleID, from) + "data/";
}
std::string GetTitleContentPath(u64 _titleID, FromWhichRoot from)
{
return GetTitlePath(_titleID, from) + "content/";
}
std::string GetTMDFileName(u64 _titleID, FromWhichRoot from)
{
return GetTitleContentPath(_titleID, from) + "title.tmd";
}
std::string EscapeFileName(const std::string& filename)
{
// Prevent paths from containing special names like ., .., ..., ...., and so on
if (std::all_of(filename.begin(), filename.end(), [](char c) { return c == '.'; }))
return ReplaceAll(filename, ".", "__2e__");
// Escape all double underscores since we will use double underscores for our escape sequences
std::string filename_with_escaped_double_underscores = ReplaceAll(filename, "__", "__5f____5f__");
// Escape all other characters that need to be escaped
static const std::unordered_set<char> chars_to_replace = {'\"', '*', '/', ':', '<',
'>', '?', '\\', '|', '\x7f'};
std::string result;
result.reserve(filename_with_escaped_double_underscores.size());
for (char c : filename_with_escaped_double_underscores)
{
if ((c >= 0 && c <= 0x1F) || chars_to_replace.find(c) != chars_to_replace.end())
result.append(StringFromFormat("__%02x__", c));
else
result.push_back(c);
}
return result;
}
std::string EscapePath(const std::string& path)
{
const std::vector<std::string> split_strings = SplitString(path, '/');
std::vector<std::string> escaped_split_strings;
escaped_split_strings.reserve(split_strings.size());
for (const std::string& split_string : split_strings)
escaped_split_strings.push_back(EscapeFileName(split_string));
return JoinStrings(escaped_split_strings, "/");
}
std::string UnescapeFileName(const std::string& filename)
{
std::string result = filename;
size_t pos = 0;
// Replace escape sequences of the format "__3f__" with the ASCII
// character defined by the escape sequence's two hex digits.
while ((pos = result.find("__", pos)) != std::string::npos)
{
u32 character;
if (pos + 6 <= result.size() && result[pos + 4] == '_' && result[pos + 5] == '_')
if (AsciiToHex(result.substr(pos + 2, 2), character))
result.replace(pos, 6, {static_cast<char>(character)});
++pos;
}
return result;
}
}
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