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/*
Userspace Virtual Filesystem
Copyright (C) 2015 Sebastian Herbord. All rights reserved.
This file is part of usvfs.
usvfs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
usvfs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with usvfs. If not, see <http://www.gnu.org/licenses/>.
*/
#include "unicodestring.h"
#include "logging.h"
#include "stringcast.h"
#include "stringutils.h"
namespace usvfs
{
UnicodeString::UnicodeString(LPCWSTR string, size_t length)
{
if (length == std::string::npos) {
length = wcslen(string);
}
m_Buffer.resize(length + 1);
memcpy(m_Buffer.data(), string, length * sizeof(wchar_t));
update();
}
UnicodeString::UnicodeString(const std::wstring& string)
{
m_Buffer.resize(string.length() + 1);
memcpy(m_Buffer.data(), string.data(), string.length() * sizeof(wchar_t));
update();
}
UnicodeString& UnicodeString::operator=(const std::wstring& string)
{
m_Buffer.resize(string.length() + 1);
memcpy(m_Buffer.data(), string.data(), string.length() * sizeof(wchar_t));
update();
return *this;
}
UnicodeString& UnicodeString::appendPath(PUNICODE_STRING path)
{
if (path != nullptr && path->Buffer && path->Length) {
auto appendAt = size();
if (appendAt) {
m_Buffer.resize(m_Buffer.size() + path->Length / sizeof(WCHAR) + 1);
m_Buffer[appendAt++] = L'\\';
} else
m_Buffer.resize(path->Length / sizeof(WCHAR) + 1);
memcpy(&m_Buffer[appendAt], path->Buffer, path->Length);
update();
}
return *this;
}
void UnicodeString::update()
{
m_Data.Length = static_cast<USHORT>(size() * sizeof(WCHAR));
m_Data.MaximumLength = static_cast<USHORT>((m_Buffer.capacity() - 1) * sizeof(WCHAR));
m_Data.Buffer = m_Buffer.data();
}
} // namespace usvfs
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