1 files changed, 64 insertions, 0 deletions
diff --git a/c/wcharptr.cpp b/c/wcharptr.cpp
new file mode 100644
index 0000000..e406ed1
--- /dev/null
+++ b/c/wcharptr.cpp
@@ -0,0 +1,64 @@
+#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;
+}