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epee.string_tools: add conversion between UTF-8 and UTF-16

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stoffu 2018-06-25 09:44:07 +09:00
parent 2329d2f4c8
commit 1d176473e9
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GPG key ID: 41DAB8343A9EC012
3 changed files with 63 additions and 26 deletions
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29
src/common/util.cpp
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@ -451,10 +451,15 @@ std::string get_nix_version_display_string()
if (SHGetSpecialFolderPathW(NULL, psz_path, nfolder, iscreate))
{
int size_needed = WideCharToMultiByte(CP_UTF8, 0, psz_path, wcslen(psz_path), NULL, 0, NULL, NULL);
std::string folder_name(size_needed, 0);
WideCharToMultiByte(CP_UTF8, 0, psz_path, wcslen(psz_path), &folder_name[0], size_needed, NULL, NULL);
return folder_name;
try
{
return string_tools::utf16_to_utf8(psz_path);
}
catch (const std::exception &e)
{
MERROR("utf16_to_utf8 failed: " << e.what());
return "";
}
}
LOG_ERROR("SHGetSpecialFolderPathW() failed, could not obtain requested path.");
@ -515,18 +520,20 @@ std::string get_nix_version_display_string()
int code;
#if defined(WIN32)
// Maximizing chances for success
WCHAR wide_replacement_name[1000];
MultiByteToWideChar(CP_UTF8, 0, replacement_name.c_str(), replacement_name.size() + 1, wide_replacement_name, 1000);
WCHAR wide_replaced_name[1000];
MultiByteToWideChar(CP_UTF8, 0, replaced_name.c_str(), replaced_name.size() + 1, wide_replaced_name, 1000);
std::wstring wide_replacement_name;
try { wide_replacement_name = string_tools::utf8_to_utf16(replacement_name); }
catch (...) { return std::error_code(GetLastError(), std::system_category()); }
std::wstring wide_replaced_name;
try { wide_replaced_name = string_tools::utf8_to_utf16(replaced_name); }
catch (...) { return std::error_code(GetLastError(), std::system_category()); }
DWORD attributes = ::GetFileAttributesW(wide_replaced_name);
DWORD attributes = ::GetFileAttributesW(wide_replaced_name.c_str());
if (INVALID_FILE_ATTRIBUTES != attributes)
{
::SetFileAttributesW(wide_replaced_name, attributes & (~FILE_ATTRIBUTE_READONLY));
::SetFileAttributesW(wide_replaced_name.c_str(), attributes & (~FILE_ATTRIBUTE_READONLY));
}
bool ok = 0 != ::MoveFileExW(wide_replacement_name, wide_replaced_name, MOVEFILE_REPLACE_EXISTING);
bool ok = 0 != ::MoveFileExW(wide_replacement_name.c_str(), wide_replaced_name.c_str(), MOVEFILE_REPLACE_EXISTING);
code = ok ? 0 : static_cast<int>(::GetLastError());
#else
bool ok = 0 == std::rename(replacement_name.c_str(), replaced_name.c_str());