Initial community commit

Src/nde/NDEString.cpp

@@ -0,0 +1,84 @@
+#include "NDEString.h"
+#include "foundation/error.h"
+
+#include <windows.h>
+
+typedef BOOL (WINAPI *HEAPSETINFORMATION)(HANDLE HeapHandle, HEAP_INFORMATION_CLASS HeapInformationClass,  PVOID HeapInformation, SIZE_T HeapInformationLength);
+
+static HANDLE string_heap=0;
+static HMODULE kernel=0;
+extern "C" void NDE_HeapInit()
+{
+	if (!string_heap)
+	{
+		string_heap=HeapCreate(0, 0, 0);
+		kernel = LoadLibraryW(L"kernel32.dll");
+		if (kernel)
+		{
+			HEAPSETINFORMATION hsi = (HEAPSETINFORMATION)GetProcAddress(kernel, "HeapSetInformation");
+			if (hsi)
+			{
+				ULONG argh = 2;
+				hsi(string_heap, HeapCompatibilityInformation, &argh, sizeof(ULONG));
+			}
+		}
+		NXStringSetHeap(string_heap);
+	}
+}
+
+extern "C" void NDE_HeapQuit()
+{
+	if (kernel)
+		FreeLibrary(kernel);	
+}
+
+nx_string_t ndestring_get_string(wchar_t *str)
+{
+	if (!str)
+		return 0;
+	nx_string_t self = (nx_string_t)((uint8_t *)str - sizeof(size_t) - sizeof(size_t));
+	return self;
+}
+
+wchar_t *ndestring_wcsdup(const wchar_t *str)
+{
+	NDE_HeapInit();
+	if (!str)
+		return 0;
+	nx_string_t value;
+	if (NXStringCreateWithUTF16(&value, str) != NErr_Success)
+		return 0;
+	return value->string;
+}
+
+wchar_t *ndestring_wcsndup(const wchar_t *str, size_t len)
+{
+	NDE_HeapInit();
+	if (!str)
+		return 0;
+	nx_string_t value;
+	if (NXStringCreateWithBytes(&value, str, len*2, nx_charset_utf16le) != NErr_Success)
+		return 0;
+	return value->string;	
+}
+
+wchar_t *ndestring_malloc(size_t str_size)
+{
+	NDE_HeapInit();
+	nx_string_t value=NXStringMalloc((str_size+1)/2 - 1);
+	if (!value)
+		return 0;
+	return value->string;
+}
+
+void ndestring_release(wchar_t *str)
+{
+	nx_string_t value = ndestring_get_string(str);
+	NXStringRelease(value);
+}
+
+void ndestring_retain(wchar_t *str)
+{
+	nx_string_t value = ndestring_get_string(str);
+	NXStringRetain(value);	
+}