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#include <utility>
#include <windows.h>
#include "wcharptr.h"
#include "win.h"
wchar_ptr::wchar_ptr() noexcept {}
wchar_ptr::wchar_ptr(wchar_t* const s) noexcept : m_p(s) {}
wchar_ptr& wchar_ptr::operator=(wchar_t* const s) noexcept
{
if (m_p != s) {
delete m_p;
m_p = s;
}
return *this;
}
wchar_ptr::wchar_ptr(wchar_ptr&& other) noexcept
: m_p(std::exchange(other.m_p, nullptr)) {}
wchar_ptr& wchar_ptr::operator=(wchar_ptr&& other) noexcept
{
std::swap(m_p, other.m_p);
return *this;
}
wchar_ptr::operator wchar_t*() noexcept
{
return m_p;
}
wchar_t* wchar_ptr::release() noexcept
{
wchar_t* p2 = m_p;
m_p = nullptr;
return p2;
}
wchar_ptr::~wchar_ptr() noexcept
{
delete m_p;
}
wchar_ptr wchar_ptr::from_narrow(const char* const src, const int cp)
{
int cbMultiByte = strlen(src)+1;
int cchWideChar = MultiByteToWideChar(cp, 0, src, cbMultiByte, NULL, 0);
wchar_t* dst = new wchar_t[cchWideChar];
if (!MultiByteToWideChar(cp, 0, src, cbMultiByte, dst, cchWideChar)) {
delete dst;
throw Win32Error();
}
return dst;
}
wchar_ptr wchar_ptr::copy(const wchar_t* const src)
{
const int cb = wcslen(src)+1;
wchar_t* dst = new wchar_t[cb];
memcpy(dst, src, cb*sizeof(wchar_t));
return dst;
}
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