Initial community commit

32 files changed, 3801 insertions, 0 deletions

diff --git a/Src/replicant/nx/win/NXFileObject.cpp b/Src/replicant/nx/win/NXFileObject.cpp
new file mode 100644
index 00000000..8f1255db
--- /dev/null
+++ b/Src/replicant/nx/win/NXFileObject.cpp
@@ -0,0 +1,525 @@
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#include "NXFileObject.h"
+
+#include "nx/nxfile.h"
+#include "nu/nodelist.h"
+#include "foundation/atomics.h"
+#include "nu/nodelist.h"
+#include <errno.h>
+#include <new>
+
+/* Windows implementation
+note: for now, we're using FILE.  We will eventually replace with better buffering 
+
+TODO: deal with files opened in "append" mode */
+
+NXFileObject::NXFileObject()
+{
+	nodelist_init(&region_stack);
+	region.start = 0;
+	region.end = 0xFFFFFFFFFFFFFFFFULL;
+	position=0;
+	reference_count=1;
+	uri=0;
+	memset(&file_stats, 0, sizeof(file_stats));
+}
+
+NXFileObject::~NXFileObject()
+{
+	NXURIRelease(uri);
+	NXFileRegion *region = (NXFileRegion *)region_stack.head;
+	while (region)
+	{
+		NXFileRegion *next = (NXFileRegion *)region->Next;
+		free(region);
+		region = next;
+	}
+}
+
+ns_error_t NXFileObject::Initialize(nx_uri_t _uri)
+{
+	uri = NXURIRetain(_uri);
+	return NErr_Success;
+}
+
+size_t NXFileObject::Retain()
+{
+	return nx_atomic_inc(&reference_count);
+}
+
+size_t NXFileObject::Release()
+{
+	if (!reference_count)
+	{
+		return reference_count; 
+	}
+	size_t r = nx_atomic_dec_release(&reference_count); 
+	if (!r)
+	{
+		delete(this);
+	}
+	return r; 
+}
+
+ns_error_t NXFileObject::LockRegion(uint64_t start, uint64_t end)
+{
+	// save the old region data
+	NXFileRegion *old_region = (NXFileRegion *)calloc(1, sizeof(NXFileRegion));
+	if (!old_region)
+	{
+		return NErr_OutOfMemory;
+	}
+	old_region->start = region.start;
+	old_region->end = region.end;
+	nodelist_push_front(&region_stack, old_region);
+
+	// if we're already locked, Lock within our current region.  
+	// The weird way the logic is done prevents overflow
+	if (start > region.end - region.start)
+	{
+		start = region.end;
+	}
+	else
+	{
+		start = region.start + start;
+	}
+
+	if (end > region.end - region.start)
+	{
+		end = region.end;
+	}
+	else
+	{
+		end = region.start + end;
+	}
+
+	region.start = start;		
+	region.end = end;
+	return NErr_Success;		
+}
+
+ns_error_t NXFileObject::UnlockRegion()
+{
+	NXFileRegion *new_region = (NXFileRegion *)nodelist_pop_front(&region_stack);
+	if (new_region)
+	{
+		region.start = new_region->start;
+		region.end = new_region->end;
+		free(new_region);
+		return NErr_Success;
+	}
+	else
+	{
+		return NErr_NoAction;
+	}
+}
+
+ns_error_t NXFileObject::Stat(nx_file_stat_t out_stats)
+{
+	*out_stats = file_stats;
+	return NErr_Success;
+}
+
+ns_error_t NXFileObject::Length(uint64_t *length)
+{
+	*length = region.end - region.start;
+	return NErr_Success;
+}
+
+ns_error_t NXFileObject::EndOfFile()
+{
+	if (position >= region.end)
+	{
+		return NErr_True;
+	}
+	else
+	{
+		return NErr_False;
+	}
+}
+/* ----------------------------------------- */
+
+class NXFileObject_FILE : public NXFileObject
+{
+public:
+	NXFileObject_FILE();
+	~NXFileObject_FILE();
+	ns_error_t Initialize(nx_uri_t uri, FILE *f, bool writable);
+
+private:
+	FILE *f;
+	bool writable;
+
+	ns_error_t Read(void *buffer, size_t bytes_requested, size_t *bytes_read);
+	ns_error_t Write(const void *buffer, size_t bytes);
+	ns_error_t Seek(uint64_t position);
+	ns_error_t Tell(uint64_t *position);
+	ns_error_t PeekByte(uint8_t *byte);
+	ns_error_t Sync();
+	ns_error_t Truncate();
+};
+
+NXFileObject_FILE::NXFileObject_FILE()
+{
+	f = 0;
+	writable = false;
+}
+
+NXFileObject_FILE::~NXFileObject_FILE()
+{
+	if (f)
+	{
+		fclose(f);
+	}
+}
+
+ns_error_t NXFileObject_FILE::Initialize(nx_uri_t uri, FILE *_f, bool _writable)
+{
+	writable = _writable;
+
+	ns_error_t ret = NXFileObject::Initialize(uri);
+	if (ret != NErr_Success)
+	{
+		return ret;
+	}
+
+	ret = NXFile_statFILE(_f, &file_stats);
+	if (ret != NErr_Success)
+	{
+		return ret;
+	}
+
+	region.end = file_stats.file_size;
+
+	f = _f;
+	return NErr_Success;
+}
+
+ns_error_t NXFileObject_FILE::Read(void *buffer, size_t bytes_requested, size_t *bytes_read)
+{
+	// if it's an "empty" read, we need to determine whether or not we're at the end of the file
+	if (bytes_requested == 0)
+	{
+		if (region.end == position || feof(f))
+		{
+			return NErr_EndOfFile;
+		}
+		else
+		{
+			return NErr_Success;
+		}
+	}
+
+	// don't read into any data after the locked region
+	if ((uint64_t)bytes_requested > region.end - position)
+	{
+		bytes_requested = (size_t)(region.end - position);
+	}
+
+	if (bytes_requested == 0)
+	{
+		return NErr_EndOfFile;
+	}
+
+	if (buffer == 0)
+	{
+		uint64_t old_position=position;
+		Seek(position+bytes_requested);
+		if (bytes_read)
+		{
+			*bytes_read = (size_t)(position - old_position);
+		}
+		return NErr_Success;
+	}
+	else
+	{
+		size_t results = fread(buffer, 1, bytes_requested, f);
+		if (results == 0)
+		{
+			if (feof(f))
+			{
+				return NErr_EndOfFile;
+			}
+			else
+			{
+				return NErr_Error;
+			}
+		}
+		if (bytes_read)
+		{
+			*bytes_read = results;
+		}
+		position+=results;
+		return NErr_Success;
+	}	
+}
+
+ns_error_t NXFileObject_FILE::Write(const void *buffer, size_t bytes)
+{
+	// TODO: review this in relation to locked regions
+	size_t results = fwrite(buffer, 1, bytes, f);
+	if (results == 0)
+	{
+		return NErr_Error;
+	}
+
+	position += results;
+	if (region.end < position)
+	{
+		region.end = position;
+	}
+	return NErr_Success;
+}
+
+ns_error_t NXFileObject_FILE::PeekByte(uint8_t *byte)
+{
+	if (position == region.end)
+	{
+		return NErr_EndOfFile;
+	}
+
+	int read_byte = fgetc(f);
+	if (read_byte != EOF)
+	{
+		ungetc(read_byte, f);
+	}
+	else
+	{
+		return NErr_EndOfFile;
+	}
+
+	*byte = (uint8_t)read_byte;
+	return NErr_Success;
+}
+
+ns_error_t NXFileObject_FILE::Seek(uint64_t new_position)
+{
+	if (!writable)
+	{
+		// doing it this way will prevent integer overflow
+		if (new_position > (region.end - region.start))
+		{
+			new_position = region.end - region.start;
+		}
+	}
+
+	if (_fseeki64(f, region.start+new_position, SEEK_SET) == 0)
+	{
+		position = region.start+new_position;
+		return NErr_Success;
+	}
+	else
+	{
+		return NErr_Error;
+	}
+}
+
+ns_error_t NXFileObject_FILE::Tell(uint64_t *out_position)
+{
+	*out_position = position - region.start;
+	return NErr_Success;
+}
+
+ns_error_t NXFileObject_FILE::Sync()
+{
+	fflush(f);
+	return NErr_Success;
+}
+
+ns_error_t NXFileObject_FILE::Truncate()
+{
+	int fd = _fileno(f);
+	_chsize_s(fd, position);
+	return NErr_Success;
+}
+
+/* ----------------------------------------- */
+ns_error_t NXFileOpenFile(nx_file_t *out_file, nx_uri_t filename, nx_file_FILE_flags_t flags)
+{
+	FILE *f = NXFile_fopen(filename, flags);
+	if (!f)
+	{
+		if (errno == ENOENT)
+		{
+			return NErr_FileNotFound;
+		}
+		else
+		{
+			return NErr_Error;
+		}
+	}
+
+	NXFileObject_FILE *file_object = new (std::nothrow) NXFileObject_FILE;
+	if (!file_object)
+	{
+		fclose(f);
+		return NErr_OutOfMemory;
+	}
+
+	ns_error_t ret = file_object->Initialize(filename, f, !!(flags & nx_file_FILE_writable_mask));
+	if (ret != NErr_Success)
+	{
+		fclose(f);
+		delete file_object;
+		return ret;
+	}
+
+	*out_file = (nx_file_t)file_object;
+	return NErr_Success;
+}
+
+nx_file_t NXFileRetain(nx_file_t _f)
+{
+	if (!_f)
+	{
+		return 0;
+	}
+
+	NXFileObject *f = (NXFileObject *)_f;
+	f->Retain();
+	return _f;
+}
+
+void NXFileRelease(nx_file_t _f)
+{
+	if (_f)
+	{
+		NXFileObject *f = (NXFileObject *)_f;
+		f->Release();
+	}
+}
+
+ns_error_t NXFileRead(nx_file_t _f, void *buffer, size_t bytes_requested, size_t *bytes_read)
+{
+	if (!_f)
+	{
+		return NErr_BadParameter;
+	}
+
+	NXFileObject *f = (NXFileObject *)_f;
+	return f->Read(buffer, bytes_requested, bytes_read);
+}
+
+ns_error_t NXFileSeek(nx_file_t _f, uint64_t position)
+{
+	if (!_f)
+	{
+		return NErr_BadParameter;
+	}
+
+	NXFileObject *f = (NXFileObject *)_f;
+	return f->Seek(position);
+}
+
+ns_error_t NXFileTell(nx_file_t _f, uint64_t *position)
+{
+	if (!_f)
+	{
+		return NErr_BadParameter;
+	}
+
+	NXFileObject *f = (NXFileObject *)_f;
+	return f->Tell(position);
+}
+
+ns_error_t NXFileLockRegion(nx_file_t _f, uint64_t start_position, uint64_t end_position)
+{
+	if (!_f)
+	{
+		return NErr_BadParameter;
+	}
+
+	NXFileObject *f = (NXFileObject *)_f;
+	return f->LockRegion(start_position, end_position);
+}
+
+ns_error_t NXFileUnlockRegion(nx_file_t _f)
+{
+	if (!_f)
+	{
+		return NErr_BadParameter;
+	}
+
+	NXFileObject *f = (NXFileObject *)_f;
+	return f->UnlockRegion();
+}
+
+ns_error_t NXFileStat(nx_file_t _f, nx_file_stat_t file_stats)
+{
+	if (!_f)
+	{
+		return NErr_BadParameter;
+	}
+
+	NXFileObject *f = (NXFileObject *)_f;
+	return f->Stat(file_stats);
+}
+
+ns_error_t NXFileLength(nx_file_t _f, uint64_t *length)
+{
+	if (!_f)
+	{
+		return NErr_BadParameter;
+	}
+
+	NXFileObject *f = (NXFileObject *)_f;
+	return f->Length(length);
+}
+
+ns_error_t NXFileEndOfFile(nx_file_t _f)
+{
+	if (!_f)
+	{
+		return NErr_BadParameter;
+	}
+
+	NXFileObject *f = (NXFileObject *)_f;
+	return f->EndOfFile();
+}
+
+ns_error_t NXFilePeekByte(nx_file_t _f, uint8_t *byte)
+{
+	if (!_f)
+	{
+		return NErr_BadParameter;
+	}
+
+	NXFileObject *f = (NXFileObject *)_f;
+	return f->PeekByte(byte);
+}
+
+ns_error_t NXFileWrite(nx_file_t _f, const void *buffer, size_t bytes)
+{
+	if (!_f)
+	{
+		return NErr_BadParameter;
+	}
+
+	NXFileObject *f = (NXFileObject *)_f;
+	return f->Write(buffer, bytes);
+}
+
+ns_error_t NXFileSync(nx_file_t _f)
+{
+	if (!_f)
+	{
+		return NErr_BadParameter;
+	}
+
+	NXFileObject *f = (NXFileObject *)_f;
+	return f->Sync();
+}
+
+ns_error_t NXFileTruncate(nx_file_t _f)
+{
+	if (!_f)
+	{
+		return NErr_BadParameter;
+	}
+
+	NXFileObject *f = (NXFileObject *)_f;
+	return f->Truncate();
+}
\ No newline at end of file
diff --git a/Src/replicant/nx/win/NXFileObject.h b/Src/replicant/nx/win/NXFileObject.h
new file mode 100644
index 00000000..46683bfa
--- /dev/null
+++ b/Src/replicant/nx/win/NXFileObject.h
@@ -0,0 +1,45 @@
+#pragma once
+#include "foundation/types.h"
+#include "foundation/error.h"
+#include "nx/nxuri.h"
+#include "nx/nxfile.h"
+#include "nu/nodelist.h"
+
+struct NXFileRegion : public queue_node_t
+{
+	uint64_t start;
+	uint64_t end;
+};
+
+class NXFileObject
+{
+public:
+	size_t Retain();
+	size_t Release();
+	ns_error_t LockRegion(uint64_t start, uint64_t end);
+	ns_error_t UnlockRegion();
+	ns_error_t Stat(nx_file_stat_t out_stats);
+	ns_error_t Length(uint64_t *length);
+
+	virtual ns_error_t Read(void *buffer, size_t bytes_requested, size_t *bytes_read)=0;
+	virtual ns_error_t Write(const void *buffer, size_t bytes)=0;
+	virtual ns_error_t PeekByte(uint8_t *byte)=0;
+	virtual ns_error_t Seek(uint64_t position)=0;
+	virtual ns_error_t Tell(uint64_t *position)=0;
+	virtual ns_error_t Sync()=0;
+	virtual ns_error_t Truncate()=0;
+	
+	virtual ns_error_t EndOfFile();
+
+protected:
+	NXFileObject();
+	virtual ~NXFileObject();
+
+	nx_file_stat_s file_stats;
+	uint64_t position; /* note: this represents absolute position, _not_ position within the region */
+	ns_error_t Initialize(nx_uri_t uri);
+	NXFileRegion region;
+	nodelist_s region_stack;
+	nx_uri_t uri;
+	volatile size_t reference_count;
+};
\ No newline at end of file
diff --git a/Src/replicant/nx/win/NXFileProgressiveDownloader.cpp b/Src/replicant/nx/win/NXFileProgressiveDownloader.cpp
new file mode 100644
index 00000000..a8452c72
--- /dev/null
+++ b/Src/replicant/nx/win/NXFileProgressiveDownloader.cpp
@@ -0,0 +1,749 @@
+#include "NXFileObject.h"
+#include "nu/ProgressTracker.h"
+#include "nx/nxthread.h"
+#include "nx/nxsleep.h"
+#include "jnetlib/jnetlib.h"
+#include "../nswasabi/AutoCharNX.h"
+#include "nswasabi/ReferenceCounted.h"
+#include "nu/MessageLoop.h"
+#include <time.h>
+#include <new>
+#include "../../../WAT/WAT.h"
+
+/* TODO: benski> test this with a server that does not return content-length.  I bet we could get it to work */
+
+/* TODO: benski> on windows, we can use a single CreateFile HANDLE for both reading and writing
+                 and use ReadFile(..., &overlapped) to maintain two separate file pointers
+								 this should improve performance as they will share the same cache 
+								 _might_ have to use async I/O to get it to work (but use it synchronously by waiting on the handle after making the call
+								 */
+
+#define HTTP_BUFFER_SIZE 65536
+
+class NXFileObject_ProgressiveDownloader;
+
+enum
+{
+	MESSAGE_KILL,
+	MESSAGE_SEEK,
+	MESSAGE_SIZE,
+	MESSAGE_ERROR,
+	MESSAGE_CLOSED,
+	MESSAGE_CONNECTED,
+};
+
+char MessageString[6][10] =
+{
+	"Kill",
+	"Seek",
+	"Size",
+	"Error",
+	"Closed",
+	"Connected"
+};
+
+
+struct seek_message_t : public nu::message_node_t
+{
+	uint64_t start;
+	uint64_t end;
+};
+
+struct size_message_t : public nu::message_node_t
+{
+	uint64_t size;
+};
+
+struct error_message_t : public nu::message_node_t
+{
+	int error_code;
+};
+
+/* This class represents the thread that's actually downloading the content from the server */
+class ProgressiveDownload 
+{
+public:
+	ProgressiveDownload(ProgressTracker &progress_tracker, NXFileObject_ProgressiveDownloader &parent);
+	~ProgressiveDownload();
+	ns_error_t Initialize(nx_uri_t uri, jnl_http_t http, const char *user_agent, nx_uri_t temp_uri);
+	
+	void Seek(uint64_t start, uint64_t end);
+	void Close();
+private:
+	/* These functions are called on the local thread */
+	/* These functions run on the download thread */
+	static nx_thread_return_t NXTHREADCALL _ProgressiveThread(nx_thread_parameter_t param) { return ((ProgressiveDownload *)param)->ProgressiveThread(); }
+	nx_thread_return_t NXTHREADCALL ProgressiveThread();
+	int Connect();
+	void Internal_Write(const void *data, size_t data_len);
+	int Wait(int milliseconds);
+	ns_error_t SetupConnection(uint64_t start_position, uint64_t end_position);
+	int DoRead(void *buffer, size_t bufferlen);
+	void ProcessMessage(nu::message_node_t *message);
+private:
+	ProgressTracker &progress_tracker;
+	NXFileObject_ProgressiveDownloader &parent;
+
+	nx_uri_t temp_filename, url;
+	FILE *progressive_file_write;	
+	jnl_http_t http;
+	char *user_agent;
+	nx_thread_t download_thread;
+	nu::MessageLoop message_loop;
+	uint64_t file_size;
+	int killswitch;
+};
+
+class NXFileObject_ProgressiveDownloader: public NXFileObject
+{
+public:
+	NXFileObject_ProgressiveDownloader();
+	~NXFileObject_ProgressiveDownloader();
+	ns_error_t Initialize(nx_uri_t uri, jnl_http_t http, const char *user_agent);
+
+	bool Available(uint64_t size, uint64_t *available);
+
+	/* API used by ProgressiveDownload */
+	void OnFileSize(uint64_t filesize);
+	void OnConnected();
+	void OnError(int error_code);
+	void OnClosed();
+private:
+	/* NXFileObject implementation */
+	ns_error_t Read(void *buffer, size_t bytes_requested, size_t *bytes_read);
+	ns_error_t Write(const void *buffer, size_t bytes);
+	ns_error_t Seek(uint64_t position);
+	ns_error_t Tell(uint64_t *position);
+	ns_error_t PeekByte(uint8_t *byte);
+	ns_error_t Sync();
+	ns_error_t Truncate();
+
+	bool WaitForRead(uint64_t size);
+	void ProcessMessage(nu::message_node_t *message);
+	void Wait(unsigned int milliseconds);
+
+	ProgressiveDownload download;
+	ProgressTracker progress_tracker;
+	FILE *progressive_file_read;
+	bool end_of_file;
+	bool connected;
+	int error_code;
+	nu::MessageLoop message_loop;
+	bool closed;
+	bool need_seek; // if set to true, we need to fseek(position)
+};
+
+ProgressiveDownload::ProgressiveDownload(ProgressTracker &progress_tracker, NXFileObject_ProgressiveDownloader &parent) : progress_tracker(progress_tracker), parent(parent)
+{
+	killswitch=0;
+	url=0;
+	temp_filename=0;
+	progressive_file_write=0;
+	http=0;
+	user_agent=0;
+	download_thread=0;
+	file_size=0;
+}
+
+ProgressiveDownload::~ProgressiveDownload()
+{	
+	if (download_thread)
+	{
+		Close();
+		NXThreadJoin(download_thread, 0);
+	}
+
+	// TODO: flush messages
+	if (progressive_file_write)
+		fclose(progressive_file_write);
+	NXURIRelease(temp_filename);
+	NXURIRelease(url);
+	if (http)
+		jnl_http_release(http);
+	free(user_agent);
+}
+
+void ProgressiveDownload::Close()
+{
+	nu::message_node_t *message = message_loop.AllocateMessage();
+	message->message = MESSAGE_KILL;
+	message_loop.PostMessage(message);
+}
+
+void ProgressiveDownload::Seek(uint64_t start, uint64_t end)
+{
+	seek_message_t *message = (seek_message_t *)message_loop.AllocateMessage();
+	message->message = MESSAGE_SEEK;
+	message->start = start;
+	message->end = end;
+	message_loop.PostMessage(message);
+}
+
+ns_error_t ProgressiveDownload::Initialize(nx_uri_t url, jnl_http_t http, const char *user_agent, nx_uri_t temp_filename)
+{
+	this->url = NXURIRetain(url);
+	this->temp_filename = NXURIRetain(temp_filename);
+	if (user_agent)
+		this->user_agent = strdup(user_agent);
+	this->http = jnl_http_retain(http);
+	progressive_file_write = NXFile_fopen(temp_filename, nx_file_FILE_readwrite_binary);
+	if (progressive_file_write == 0)
+		return NErr_FailedCreate;
+
+	return NXThreadCreate(&download_thread, _ProgressiveThread, this);
+}
+
+void ProgressiveDownload::ProcessMessage(nu::message_node_t *message)
+{
+	switch(message->message)
+	{
+	case MESSAGE_KILL:
+		killswitch=1;
+		break;
+	case MESSAGE_SEEK:
+		{
+			seek_message_t *seek_message = (seek_message_t *)message;
+
+			char buffer[HTTP_BUFFER_SIZE] = {0};
+
+			/* empty out the jnetlib buffer.  that might let us be able to avoid this seek  */
+			DoRead(buffer, sizeof(buffer));
+			
+			uint64_t new_start, new_end;
+			if (!progress_tracker.Valid(seek_message->start, seek_message->end)  /* double check that we actually need to seek */
+				&& !progress_tracker.Seek(seek_message->start, seek_message->end, &new_start, &new_end))
+			{
+				int ret = SetupConnection(new_start, new_end);
+				if (ret == NErr_Success)
+					ret = Connect();
+				if (ret != NErr_Success)
+				{
+					parent.OnError(ret);
+					killswitch=1;
+					break;
+				}
+
+				_fseeki64(progressive_file_write, new_start, SEEK_SET);
+			}
+			else
+				parent.OnConnected();
+		}
+		break;
+	}
+
+	message_loop.FreeMessage(message);
+}
+
+int ProgressiveDownload::Wait(int milliseconds)
+{
+	for (;;)
+	{
+		if (killswitch)
+			return 1;
+
+		nu::message_node_t *message = message_loop.PeekMessage(milliseconds);
+		if (message)
+			ProcessMessage(message);
+		else
+			break;
+	}	
+
+	nu::message_node_t *message = message_loop.PeekMessage(milliseconds);
+	if (message)
+		ProcessMessage(message);
+	
+	return killswitch;		
+}
+
+ns_error_t ProgressiveDownload::SetupConnection(uint64_t start_position, uint64_t end_position)
+{
+	if (!http)
+		http = jnl_http_create(HTTP_BUFFER_SIZE, 0);
+
+	if (!http)
+		return NErr_FailedCreate;
+
+	jnl_http_reset_headers(http);
+	if (user_agent)
+		jnl_http_addheadervalue(http, "User-Agent", user_agent);
+
+	if (start_position && start_position != (uint64_t)-1)
+	{
+		if (end_position == (uint64_t)-1)
+		{
+			char temp[128] = {0};
+			sprintf(temp, "Range: bytes=%llu-", start_position);
+			jnl_http_addheader(http, temp);
+		}
+		else
+		{
+			char temp[128] = {0};
+			sprintf(temp, "Range: bytes=%llu-%llu", start_position, end_position);
+			jnl_http_addheader(http, temp);
+		}
+	}
+	
+	jnl_http_addheader(http, "Connection: Close"); // TODO: change if we ever want a persistent connection and downloading in chunks
+	jnl_http_connect(http, AutoCharUTF8(url), 1, "GET");
+
+	return NErr_Success;
+}
+
+int ProgressiveDownload::Connect()
+{
+	// TODO: configurable timeout
+		/* wait for connection */
+#ifdef _DEBUG
+	const int timeout = 15000;
+#else
+	const int timeout = 15;
+#endif
+	time_t start_time = time(0);
+
+	int http_status = jnl_http_get_status(http);
+	while (http_status == HTTPGET_STATUS_CONNECTING || http_status == HTTPGET_STATUS_READING_HEADERS)
+	{
+		if (Wait(55) != 0)
+			return NErr_Interrupted;
+
+		int ret = jnl_http_run(http);
+		if (ret == HTTPGET_RUN_ERROR)
+			return NErr_ConnectionFailed;
+		if (start_time + timeout < time(0))
+			return NErr_TimedOut;
+
+		http_status = jnl_http_get_status(http);
+	} 
+	
+	if (http_status == HTTPGET_STATUS_ERROR)
+	{
+		switch(jnl_http_getreplycode(http))
+		{
+			case 400:
+				return NErr_BadRequest;
+			case 401:
+				// TODO: deal with this specially
+				return NErr_Unauthorized;
+			case 403:
+				// TODO: deal with this specially?
+				return NErr_Forbidden;
+			case 404:
+				return NErr_NotFound;
+			case 405:
+				return NErr_BadMethod;
+			case 406:
+				return NErr_NotAcceptable;
+			case 407:
+				// TODO: deal with this specially
+				return NErr_ProxyAuthenticationRequired;
+			case 408:
+				return NErr_RequestTimeout;
+			case 409:
+				return NErr_Conflict;
+			case 410:
+				return NErr_Gone;
+			case 500:
+				return NErr_InternalServerError;
+			case 503:
+				return NErr_ServiceUnavailable;
+			default:
+				return NErr_ConnectionFailed;
+		}
+	}
+	else
+	{
+		if (!file_size)
+		{
+			// TODO: check range header for actual size
+			file_size = jnl_http_content_length(http);
+			parent.OnFileSize(file_size);
+		}
+		parent.OnConnected();
+		return NErr_Success;
+	}	
+}
+
+void ProgressiveDownload::Internal_Write(const void *data, size_t data_len)
+{
+	size_t bytes_written = fwrite(data, 1, data_len, progressive_file_write);
+	fflush(progressive_file_write);
+	progress_tracker.Write(bytes_written);
+}
+
+int ProgressiveDownload::DoRead(void *buffer, size_t bufferlen)
+{
+	int ret = jnl_http_run(http);
+	size_t bytes_received;
+	do
+	{
+		ret = jnl_http_run(http);
+		bytes_received = jnl_http_get_bytes(http, buffer, bufferlen);
+		if (bytes_received)
+		{
+			Internal_Write(buffer, bytes_received);
+		}
+			/* TODO: benski> should we limit the number of times through this loop?
+			I'm worried that if data comes in fast enough we might get stuck in this for a long time  */
+	} while (bytes_received == bufferlen);
+	return ret;
+}
+
+nx_thread_return_t ProgressiveDownload::ProgressiveThread()
+{
+	ns_error_t ret;
+
+	if (!http)
+	{
+		ret = SetupConnection(0, (uint64_t)-1);
+		if (ret != NErr_Success)
+		{
+			parent.OnError(ret);
+			parent.OnClosed();
+			return 0;
+		}
+	}
+
+
+	ret = Connect();
+	if (ret != NErr_Success)
+	{
+		parent.OnError(ret);
+	}
+	else
+	{	
+		for (;;)
+		{
+			if (Wait(10) == 1)
+				break; // killed!
+
+			char buffer[HTTP_BUFFER_SIZE] = {0};
+			int ret = DoRead(buffer, sizeof(buffer));
+			if (ret == -1)
+				break;
+			else if (ret == HTTPGET_RUN_CONNECTION_CLOSED)
+			{
+				if (jnl_http_bytes_available(http) == 0)
+				{
+					if (progress_tracker.Valid(0, file_size))
+					{
+						// file is completely downloaded. let's gtfo
+						fclose(progressive_file_write);
+						progressive_file_write=0;
+						break;
+					}
+
+					// if we're not completely full then we need to sit around for a potential MESSAGE_SEEK
+					//while (Wait(100) == 0)
+					{
+						// nop
+					}
+				}
+			}
+		}
+	}
+
+	parent.OnClosed();
+	return 0;
+}
+
+ /* ------------------ */
+NXFileObject_ProgressiveDownloader::NXFileObject_ProgressiveDownloader() : download(progress_tracker, *this)
+{
+	progressive_file_read=0;
+	end_of_file=false;
+	connected=false;
+	error_code=NErr_Success;
+	closed = false;
+	need_seek=false;
+	position=0;
+}
+
+
+
+NXFileObject_ProgressiveDownloader::~NXFileObject_ProgressiveDownloader()
+{	
+	download.Close();
+	while (!closed)
+		Wait(10);
+	if (progressive_file_read)
+		fclose(progressive_file_read);
+}
+
+void NXFileObject_ProgressiveDownloader::OnConnected()
+{
+	nu::message_node_t *message = message_loop.AllocateMessage();
+	message->message = MESSAGE_CONNECTED;
+	message_loop.PostMessage(message);
+}
+
+void NXFileObject_ProgressiveDownloader::OnError(int error_code)
+{
+	error_message_t *message = (error_message_t *)message_loop.AllocateMessage();
+	message->message = MESSAGE_ERROR;
+	message->error_code = error_code;
+	message_loop.PostMessage(message);
+}
+
+void NXFileObject_ProgressiveDownloader::OnFileSize(uint64_t size)
+{
+	size_message_t *message = (size_message_t *)message_loop.AllocateMessage();
+	message->message = MESSAGE_SIZE;
+	message->size = size;
+	message_loop.PostMessage(message);
+}
+
+void NXFileObject_ProgressiveDownloader::OnClosed()
+{
+	nu::message_node_t *message = message_loop.AllocateMessage();
+	message->message = MESSAGE_CLOSED;
+	message_loop.PostMessage(message);
+}
+
+ns_error_t NXFileObject_ProgressiveDownloader::Initialize(nx_uri_t uri, jnl_http_t http, const char *user_agent)
+{
+	ReferenceCountedNXURI temp_uri;
+	NXURICreateTemp(&temp_uri);
+	ns_error_t ret = download.Initialize(uri, http, user_agent, temp_uri);
+	if (ret != NErr_Success)
+	{
+		closed=true;
+		return ret;
+	}
+
+	progressive_file_read = NXFile_fopen(temp_uri, nx_file_FILE_read_binary);
+
+	for (;;)
+	{
+		Wait(10);
+		if (error_code != NErr_Success)
+			return error_code;
+
+		if (connected)
+			break;
+	}
+	return NErr_Success;
+}
+
+void NXFileObject_ProgressiveDownloader::ProcessMessage(nu::message_node_t *message)
+{
+	switch(message->message)
+	{
+	case MESSAGE_ERROR:
+		{
+			error_message_t *seek_message = (error_message_t *)message;
+			error_code = seek_message->error_code;
+		}
+		break;
+	case MESSAGE_CONNECTED:
+		connected = true;
+		break;
+	case MESSAGE_SIZE:
+		{
+			size_message_t *seek_message = (size_message_t *)message;
+			region.end = seek_message->size;
+		}
+		break;
+	case MESSAGE_CLOSED:
+		closed=true;
+		break;
+	}
+
+	message_loop.FreeMessage(message);
+}
+
+void NXFileObject_ProgressiveDownloader::Wait(unsigned int milliseconds)
+{
+	for (;;)
+	{
+		nu::message_node_t *message = message_loop.PeekMessage(milliseconds);
+		if (message)
+			ProcessMessage(message);
+		else
+			break;
+	}	
+
+	nu::message_node_t *message = message_loop.PeekMessage(milliseconds);
+	if (message)
+		ProcessMessage(message);
+}
+
+bool NXFileObject_ProgressiveDownloader::WaitForRead(uint64_t size)
+{
+	if (progress_tracker.Valid(position, position+size))
+		return true;
+
+	if (need_seek)
+	{
+		// give it just a little bit of time to avoid constant reseeks when the download thread is just barely keeping up
+		Wait(10);
+		if (progress_tracker.Valid(position, position+size))
+			return true;		
+
+		connected=false;
+		error_code=NErr_Success;
+		download.Seek(position, (uint64_t)position+size);
+		
+		for (;;)
+		{
+			Wait(10);
+			if (error_code != NErr_Success)
+				return false;
+			
+			if (connected)
+				break;
+		}
+	}
+
+	while (!progress_tracker.Valid(position, position+size))
+	{
+		Wait(10);
+	}
+
+	return true;
+}
+
+
+ns_error_t NXFileObject_ProgressiveDownloader::Read(void *buffer, size_t bytes_requested, size_t *bytes_read)
+{
+	if (end_of_file || position >= (region.end - region.start))
+		return NErr_EndOfFile;
+
+	// don't allow a read past the end of the file as this will confuse progress_tracker (which doesn't know/care about the file length)
+	if ((position + bytes_requested) > region.end)
+		bytes_requested = (size_t)(region.end - position);
+
+	if (WaitForRead((uint64_t)bytes_requested) == false)
+	{
+		*bytes_read = 0;
+		return error_code;
+	}
+
+	if (need_seek)
+	{
+		_fseeki64(progressive_file_read, position, SEEK_SET);
+		need_seek=false;
+	}
+
+	/* TODO: benski> if r < bytes_requested, then we need to flush the buffer.
+	on windows, we can use fflush(progressive_file_read)
+	on other platforms it's not guaranteed! */
+	size_t r = fread(buffer, 1, bytes_requested, progressive_file_read);
+	this->position += r;
+	*bytes_read = r;
+	return NErr_Success;		
+}
+
+ns_error_t NXFileObject_ProgressiveDownloader::Seek(uint64_t new_position)
+{
+	if (new_position >= (region.end - region.start))
+	{
+		this->position = region.end - region.start;
+		end_of_file=true;
+	}
+	else
+	{
+		if (new_position == position)
+			return NErr_Success;
+		position = new_position;
+		need_seek=true;
+		
+		end_of_file=false;
+	}
+	return NErr_Success;
+}
+
+ns_error_t NXFileObject_ProgressiveDownloader::Tell(uint64_t *position)
+{
+	if (end_of_file)
+		*position = region.end - region.start;
+	else
+		*position = this->position - region.start;
+	return NErr_Success;
+}
+
+ns_error_t NXFileObject_ProgressiveDownloader::PeekByte(uint8_t *byte)
+{
+	if (position == region.end)
+		return NErr_EndOfFile;
+
+	// make sure we have enough room
+	if (WaitForRead((uint64_t)1) == false)
+		return error_code;
+
+	if (need_seek)
+	{
+		_fseeki64(progressive_file_read, position, SEEK_SET);		
+		need_seek=false;
+	}
+
+	int read_byte = fgetc(progressive_file_read);
+	if (read_byte != EOF)
+		ungetc(read_byte, progressive_file_read);
+	else
+	{
+		/* TODO: benski> if we hit the point, then we actually need to flush the buffer.
+		on some platforms, fflush(progressive_file_read) will do that, but it's not guaranteed! */
+		return NErr_EndOfFile;
+	}
+
+	*byte = (uint8_t)read_byte;
+	return NErr_Success;
+}
+
+ns_error_t NXFileObject_ProgressiveDownloader::Sync()
+{
+	return NErr_NotImplemented;
+}
+
+ns_error_t NXFileObject_ProgressiveDownloader::Truncate()
+{
+	return NErr_NotImplemented;
+}
+
+ns_error_t NXFileObject_ProgressiveDownloader::Write(const void *buffer, size_t bytes)
+{
+	return NErr_NotImplemented;
+}
+
+bool NXFileObject_ProgressiveDownloader::Available(uint64_t size, uint64_t *available)
+{
+	uint64_t end = position+size;
+	if (end > region.end)
+		end = region.end;
+	if (position == region.end)
+	{
+		if (available)
+			*available=0;
+		return true;
+	}
+	return progress_tracker.Valid(position, end, available);
+}
+
+ns_error_t NXFileOpenProgressiveDownloader(nx_file_t *out_file, nx_uri_t filename, nx_file_FILE_flags_t flags, jnl_http_t http, const char *user_agent)
+{
+	NXFileObject_ProgressiveDownloader *file_object = new (std::nothrow) NXFileObject_ProgressiveDownloader;
+	if (!file_object)
+		return NErr_OutOfMemory;
+
+	ns_error_t ret = file_object->Initialize(filename, http, user_agent);
+	if (ret != NErr_Success)
+	{
+		delete file_object;
+		return ret;
+	}
+
+	*out_file = (nx_file_t)file_object;
+	return NErr_Success;
+}
+
+ns_error_t NXFileProgressiveDownloaderAvailable(nx_file_t _f, uint64_t size, uint64_t *available)
+{
+	if (!_f)
+		return NErr_BadParameter;
+
+	NXFileObject_ProgressiveDownloader *f = (NXFileObject_ProgressiveDownloader *)_f;
+	if (f->Available(size, available))
+		return NErr_True;
+	else
+		return NErr_False;
+}
\ No newline at end of file
diff --git a/Src/replicant/nx/win/NXZipFile.cpp b/Src/replicant/nx/win/NXZipFile.cpp
new file mode 100644
index 00000000..71b00a51
--- /dev/null
+++ b/Src/replicant/nx/win/NXZipFile.cpp
@@ -0,0 +1,209 @@
+#include "NXFileObject.h"
+#include <new>
+#include "minizip/unzip.h"
+#include <nx/nxfile.h>
+#include <assert.h>
+
+class NXZipFile : NXFileObject
+{
+public:
+	NXZipFile(unzFile zip_file);
+	~NXZipFile();
+
+	/* NXFileObject implementation */
+	ns_error_t Read(void *buffer, size_t bytes_requested, size_t *bytes_read);
+	ns_error_t Write(const void *buffer, size_t bytes);
+	ns_error_t Seek(uint64_t position);
+	ns_error_t Tell(uint64_t *position);
+	ns_error_t PeekByte(uint8_t *byte);
+	ns_error_t Sync();
+	ns_error_t Truncate();
+	// TODO(benski) implementation EOF
+	// TODO(benski) implement region locking
+private:
+	unzFile zip_file;
+};
+
+NXZipFile::NXZipFile(unzFile zip_file) : zip_file(zip_file)
+{
+}
+
+NXZipFile::~NXZipFile()
+{
+	if (zip_file) {
+		unzCloseCurrentFile(zip_file);
+		unzClose(zip_file);
+		zip_file=0;
+	}
+}
+
+/* NXFileObject implementation */
+ns_error_t NXZipFile::Read(void *buffer, size_t bytes_requested, size_t *bytes_read)
+{
+	int zret = unzReadCurrentFile(zip_file, buffer, (unsigned int)bytes_requested);
+	if (zret == 0) {
+		if (bytes_read) {
+			*bytes_read = 0;
+		}
+		return NErr_EndOfFile;
+	} else if (zret > 0) {
+		if (bytes_read) {
+			*bytes_read = (size_t)zret;
+		}
+		return NErr_Success;
+	} else {
+		if (bytes_read) {
+			*bytes_read = 0;
+		}
+		return NErr_Error;
+	}
+}
+
+ns_error_t NXZipFile::Write(const void *buffer, size_t bytes)
+{
+	return NErr_NotImplemented;
+}
+
+ns_error_t NXZipFile::Seek(uint64_t position)
+{
+	// TODO(benski) error check)
+	unzSetOffset64(zip_file, position);
+	return NErr_Success;
+}
+
+ns_error_t NXZipFile::Tell(uint64_t *position)
+{
+	*position = unzGetOffset64(zip_file);
+	return NErr_Success;
+}
+
+ns_error_t NXZipFile::PeekByte(uint8_t *byte)
+{
+	return NErr_NotImplemented;
+}
+
+ns_error_t NXZipFile::Sync()
+{
+	return NErr_NotImplemented;
+}
+
+ns_error_t NXZipFile::Truncate()
+{
+	return NErr_NotImplemented;
+}
+
+static voidpf ZCALLBACK unzip_nxfile_open OF((voidpf opaque, const void*  filename, int mode))
+{
+	nx_file_t f;
+	if (NXFileOpenFile(&f, (nx_uri_t)filename, nx_file_FILE_read_binary) != NErr_Success) {
+		return 0;
+	}
+	return f;
+}
+
+static uLong ZCALLBACK unzip_nxfile_read OF((voidpf opaque, voidpf stream, void* buf, uLong size))
+{
+	nx_file_t f = (nx_file_t)stream;
+	size_t bytes_read;
+	if (NXFileRead(f, buf, size, &bytes_read) != NErr_Success) {
+		return 0;
+	}
+	return (uLong)bytes_read;
+}
+
+static int ZCALLBACK unzip_nxfile_close OF((voidpf opaque, voidpf stream))
+{
+	NXFileRelease((nx_file_t)stream);
+	return 0;
+}
+
+
+static ZPOS64_T ZCALLBACK unzip_nxfile_tell OF((voidpf opaque, voidpf stream))
+{
+	nx_file_t f = (nx_file_t)stream;
+	uint64_t position;
+	if (NXFileTell(f, &position) == NErr_Success) {
+		return (int64_t)position;
+	} else {
+		return -1;
+	}
+}
+
+static long ZCALLBACK unzip_nxfile_seek OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int whence))
+{
+		nx_file_t f = (nx_file_t)stream;
+	uint64_t position;
+	if (whence == SEEK_SET) {
+		position = offset;
+	} else if (whence == SEEK_CUR) {
+		ns_error_t err = NXFileTell(f, &position);
+		if (err != NErr_Success) {
+			return -1;
+		}
+		position += offset;
+	} else if (whence == SEEK_END) {
+		uint64_t length;
+		NXFileLength(f, &length);
+		position = length + offset;
+	} else {
+		return -1;
+	}
+	ns_error_t err = NXFileSeek(f, position);
+	if (err == NErr_Success) {
+		return 0;
+	} else {
+		return -1;
+	}
+}
+#if 0
+    open64_file_func    zopen64_file;
+    read_file_func      zread_file;
+    write_file_func     zwrite_file;
+    tell64_file_func    ztell64_file;
+    seek64_file_func    zseek64_file;
+    close_file_func     zclose_file;
+    testerror_file_func zerror_file;
+#endif
+
+ns_error_t NXFileOpenZip(nx_file_t *out_file, nx_uri_t filename, nx_string_t extension_hint)
+{
+#if 0
+	typedef struct zlib_filefunc_def_s
+{
+    open_file_func      zopen_file;
+    read_file_func      zread_file;
+    write_file_func     zwrite_file;
+    tell_file_func      ztell_file;
+    seek_file_func      zseek_file;
+    close_file_func     zclose_file;
+    testerror_file_func zerror_file;
+    voidpf              opaque;
+} zlib_filefunc_def;
+#endif
+
+	zlib_filefunc64_def file_func = {0, };
+	file_func.zopen64_file = unzip_nxfile_open;
+		file_func.zread_file = unzip_nxfile_read;
+		file_func.ztell64_file = unzip_nxfile_tell;
+		file_func.zseek64_file = unzip_nxfile_seek;
+		file_func.zclose_file = unzip_nxfile_close;
+
+	unzFile zip_file = unzOpen2_64(filename, &file_func);
+	if (zip_file == NULL) {
+		return NErr_Error;
+	}
+
+	unzGoToFirstFile(zip_file);
+	// TODO(benski): look for filename with extension_hint as extension
+	// TODO(benski): search for anything with extension
+	unzOpenCurrentFile(zip_file);
+
+	NXZipFile *nx_zip_file = new (std::nothrow) NXZipFile(zip_file);
+	if (!nx_zip_file) {
+		unzCloseCurrentFile(zip_file);
+		unzClose(zip_file);
+		return NErr_OutOfMemory;
+	}
+	*out_file = (nx_file_t)nx_zip_file;
+	return NErr_Success;
+}
diff --git a/Src/replicant/nx/win/nxapi.h b/Src/replicant/nx/win/nxapi.h
new file mode 100644
index 00000000..be8bf2ec
--- /dev/null
+++ b/Src/replicant/nx/win/nxapi.h
@@ -0,0 +1,15 @@
+#pragma once
+#include "../../foundation/guid.h"
+
+#ifdef NX_EXPORTS
+#define NX_API __declspec(dllexport)
+#else
+#define NX_API __declspec(dllimport)
+#endif
+
+/* increment this any time that the NX API changes in a non-backwards-compatible way (preferably rarely) */
+static const int nx_api_version = 1;
+
+// {E7079A4B-BBB3-441F-ADCD-E0F1FE276EE3}
+static const GUID nx_platform_guid = 
+{ 0xe7079a4b, 0xbbb3, 0x441f, { 0xad, 0xcd, 0xe0, 0xf1, 0xfe, 0x27, 0x6e, 0xe3 } };
diff --git a/Src/replicant/nx/win/nxcondition.c b/Src/replicant/nx/win/nxcondition.c
new file mode 100644
index 00000000..1e3ef009
--- /dev/null
+++ b/Src/replicant/nx/win/nxcondition.c
@@ -0,0 +1,66 @@
+#include "nxcondition.h"
+#include "foundation/error.h"
+
+int NXConditionInitialize(nx_condition_t condition)
+{
+	if (condition == 0)
+		return NErr_NullPointer;
+
+	InitializeCriticalSection(&condition->mutex);
+	InitializeConditionVariable(&condition->condition);
+	return NErr_Success;
+}
+
+int NXConditionDestroy(nx_condition_t condition)
+{
+	if (condition == 0)
+		return NErr_NullPointer;
+
+	DeleteCriticalSection(&condition->mutex);
+	return NErr_Success;
+}
+
+int NXConditionLock(nx_condition_t condition)
+{
+	if (condition == 0)
+		return NErr_NullPointer;
+
+	EnterCriticalSection(&condition->mutex);
+	return NErr_Success;
+}
+
+int NXConditionUnlock(nx_condition_t condition)
+{
+if (condition == 0)
+		return NErr_NullPointer;
+
+	LeaveCriticalSection(&condition->mutex);
+	return NErr_Success;
+}
+
+int NXConditionWait(nx_condition_t condition)
+{
+	if (condition == 0)
+		return NErr_NullPointer;
+
+	SleepConditionVariableCS(&condition->condition, &condition->mutex, INFINITE);
+	return NErr_Success;
+}
+
+int NXConditionTimedWait(nx_condition_t condition, unsigned int milliseconds)
+{
+	if (condition == 0)
+		return NErr_NullPointer;
+
+	SleepConditionVariableCS(&condition->condition, &condition->mutex, milliseconds);
+	return NErr_Success;
+}
+
+int NXConditionSignal(nx_condition_t condition)
+{
+		if (condition == 0)
+		return NErr_NullPointer;
+
+	WakeConditionVariable(&condition->condition);
+	return NErr_Success;
+}
\ No newline at end of file
diff --git a/Src/replicant/nx/win/nxcondition.h b/Src/replicant/nx/win/nxcondition.h
new file mode 100644
index 00000000..42a634aa
--- /dev/null
+++ b/Src/replicant/nx/win/nxcondition.h
@@ -0,0 +1,28 @@
+#pragma once
+#include "nx/nxapi.h"
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct nx_condition_struct_t 
+{ 
+	CONDITION_VARIABLE condition;
+	CRITICAL_SECTION mutex;
+} nx_condition_value_t, *nx_condition_t;
+
+NX_API int NXConditionInitialize(nx_condition_t condition);
+NX_API int NXConditionDestroy(nx_condition_t condition);
+NX_API int NXConditionLock(nx_condition_t condition);
+NX_API int NXConditionUnlock(nx_condition_t condition);
+NX_API int NXConditionWait(nx_condition_t condition);
+NX_API int NXConditionTimedWait(nx_condition_t condition, unsigned int milliseconds);
+NX_API int NXConditionSignal(nx_condition_t condition);
+
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/Src/replicant/nx/win/nxdata.c b/Src/replicant/nx/win/nxdata.c
new file mode 100644
index 00000000..065eddbe
--- /dev/null
+++ b/Src/replicant/nx/win/nxdata.c
@@ -0,0 +1,276 @@
+#include "nx/nxdata.h"
+#include "foundation/atomics.h"
+#include "foundation/error.h"
+#include "nx/nxfile.h"
+#include <sys/stat.h>
+
+/* windows implementation */
+struct nx_data_struct_t
+{
+	volatile size_t ref_count;
+	nx_string_t mime_type;
+	nx_string_t description;
+	nx_uri_t source_uri;
+	nx_file_stat_t source_stats;
+	size_t len;
+	uint8_t data[1];
+};
+
+static size_t NXDataMallocSize(size_t bytes)
+{
+	/* TODO: overflow check? */
+	const nx_data_t dummy=0;
+	size_t header = (size_t)&dummy->data[0] - (size_t)dummy;
+	return header + bytes;
+}
+
+nx_data_t NXDataRetain(nx_data_t data)
+{
+	if (!data)
+		return 0;
+
+	nx_atomic_inc(&data->ref_count);
+	return data;
+}
+
+void NXDataRelease(nx_data_t data)
+{
+	if (data)
+	{
+		if (nx_atomic_dec(&data->ref_count) == 0)
+		{
+			free(data->source_stats);
+			NXURIRelease(data->source_uri);
+			NXStringRelease(data->mime_type);
+			NXStringRelease(data->description);
+			free(data);
+		}
+	}
+}
+
+int NXDataCreate(nx_data_t *out_data, const void *bytes, size_t length)
+{
+	void *new_bytes;
+	int ret = NXDataCreateWithSize(out_data, &new_bytes, length);
+	if (ret != NErr_Success)
+		return ret;
+
+	memcpy(new_bytes, bytes, length);
+	return NErr_Success;
+}
+
+int NXDataCreateWithSize(nx_data_t *out_data, void **bytes, size_t length)
+{
+	nx_data_t data = 0;
+	size_t data_length = NXDataMallocSize(length);
+	data = (nx_data_t)malloc(data_length);
+	if (!data)
+		return NErr_OutOfMemory;
+
+	data->ref_count = 1;
+	data->len = length;
+	data->mime_type=0;
+	data->source_uri=0;
+	data->source_stats=0;
+	data->description=0;
+	if (bytes)
+		*bytes = data->data;
+	*out_data=data;
+	return NErr_Success;
+}
+
+int NXDataCreateEmpty(nx_data_t *out_data)
+{
+	return NXDataCreateWithSize(out_data, 0, 0);
+}
+
+int NXDataCreateFromURI(nx_data_t *out_data, nx_uri_t filename)
+{
+	nx_file_stat_s stat_buffer;
+	nx_data_t data;
+	size_t data_length;
+	size_t bytes_read;
+	uint64_t file_length;
+	void *bytes;
+	int ret;
+	int fd;
+
+
+	fd = NXFile_open(filename, nx_file_O_BINARY|nx_file_O_RDONLY);
+	if (fd == -1)
+		return NErr_FileNotFound;
+
+	ret = NXFile_fstat(fd, &stat_buffer);
+	if (ret != NErr_Success)
+	{
+		close(fd);
+		return ret;
+	}
+
+	file_length = stat_buffer.file_size;
+
+	if (file_length > SIZE_MAX)
+	{
+		close(fd);
+		return NErr_IntegerOverflow;
+	}
+
+	data_length = (size_t)file_length;
+
+	ret = NXDataCreateWithSize(&data, &bytes, data_length);
+	if (ret != NErr_Success)
+	{
+		close(fd);
+		return ret;
+	}
+
+	data->source_stats=(nx_file_stat_t)malloc(sizeof(nx_file_stat_s));
+	if (!data->source_stats)
+	{
+		close(fd);
+		NXDataRelease(data);
+		return NErr_OutOfMemory;
+	}
+
+	bytes_read = read(fd, bytes, (int)data_length);
+	close(fd);
+	if (bytes_read != data_length)
+	{
+		NXDataRelease(data);
+		return NErr_Error;
+	}
+
+	*data->source_stats=stat_buffer;
+	data->source_uri=NXURIRetain(filename);
+	*out_data = data;
+	return NErr_Success;
+}
+
+int NXDataGet(nx_data_t data, const void **bytes, size_t *length)
+{
+	if (!data)
+		return NErr_BadParameter;
+
+	if (data->len == 0)
+		return NErr_Empty;
+
+	*bytes = data->data;
+	*length = data->len;
+	return NErr_Success;
+}
+
+size_t NXDataSize(nx_data_t data)
+{
+	if (!data)
+		return 0;
+
+	return data->len;
+}
+
+int NXDataSetMIME(nx_data_t data, nx_string_t mime_type)
+{
+	nx_string_t old;
+	if (!data)
+		return NErr_BadParameter;
+
+	old = data->mime_type;
+	data->mime_type = NXStringRetain(mime_type);
+	NXStringRelease(old);
+	return NErr_Success;
+}
+
+int NXDataSetDescription(nx_data_t data, nx_string_t description)
+{
+		nx_string_t old;
+	if (!data)
+		return NErr_BadParameter;
+
+	old = data->description;
+	data->description = NXStringRetain(description);
+	NXStringRelease(old);
+	return NErr_Success;
+}
+
+int NXDataSetSourceURI(nx_data_t data, nx_uri_t source_uri)
+{
+	nx_uri_t old;
+	if (!data)
+		return NErr_BadParameter;
+
+	old = data->source_uri;
+	data->source_uri = NXURIRetain(source_uri);
+	NXURIRelease(old);
+	return NErr_Success;
+}
+
+int NXDataSetSourceStat(nx_data_t data, nx_file_stat_t source_stats)
+{
+	nx_file_stat_t new_stats;
+	if (!data)
+		return NErr_BadParameter;
+
+	if (source_stats)
+	{
+		new_stats=(nx_file_stat_t)malloc(sizeof(nx_file_stat_s));
+		if (!new_stats)
+			return NErr_OutOfMemory;
+
+		*new_stats = *source_stats;
+		free(data->source_stats);
+		data->source_stats=new_stats;
+	}
+	else
+	{
+		free(data->source_stats);
+		data->source_stats=0;
+	}
+	return NErr_Success;
+}
+
+int NXDataGetMIME(nx_data_t data, nx_string_t *mime_type)
+{
+	if (!data)
+		return NErr_BadParameter;
+
+	if (!data->mime_type)
+		return NErr_Empty;
+
+	*mime_type = NXStringRetain(data->mime_type);
+	return NErr_Success;
+}
+
+int NXDataGetDescription(nx_data_t data, nx_string_t *description)
+{
+	if (!data)
+		return NErr_BadParameter;
+
+	if (!data->description)
+		return NErr_Empty;
+
+	*description = NXStringRetain(data->description);
+	return NErr_Success;
+}
+
+int NXDataGetSourceURI(nx_data_t data, nx_uri_t *source_uri)
+{
+	if (!data)
+		return NErr_BadParameter;
+
+	if (!data->source_uri)
+		return NErr_Empty;
+
+	*source_uri = NXURIRetain(data->source_uri);
+	return NErr_Success;
+}
+
+int NXDataGetSourceStat(nx_data_t data, nx_file_stat_t *source_stats)
+{
+	if (!data)
+		return NErr_BadParameter;
+	
+	if (!data->source_stats)
+		return NErr_Empty;
+
+	*source_stats = data->source_stats;
+	return NErr_Success;
+}
diff --git a/Src/replicant/nx/win/nxdata.h b/Src/replicant/nx/win/nxdata.h
new file mode 100644
index 00000000..1a5eee94
--- /dev/null
+++ b/Src/replicant/nx/win/nxdata.h
@@ -0,0 +1,42 @@
+#pragma once
+#include "../../foundation/types.h"
+#include "../../nx/nxuri.h"
+#include "../../nx/nxapi.h"
+#include "../../nx/nxfile.h"
+#include "../../nx/nxstring.h"
+
+/* windows implementation */
+#ifdef __cplusplus
+extern "C" {
+#endif
+	typedef struct nx_data_struct_t *nx_data_t;
+
+	NX_API nx_data_t NXDataRetain(nx_data_t data);
+	NX_API void NXDataRelease(nx_data_t data);
+	
+	NX_API int NXDataCreate(nx_data_t *data, const void *bytes, size_t length);
+	NX_API int NXDataCreateWithSize(nx_data_t *data, void **bytes, size_t length);
+	/* creates an empty data object. useful if you need to store MIME, source URI, etc. without having actual data */
+	NX_API int NXDataCreateEmpty(nx_data_t *data);
+	/* you can pass file_stats==NULL if you don't care about the file stats */
+	NX_API int NXDataCreateFromURI(nx_data_t *data, nx_uri_t filename);
+
+	NX_API size_t NXDataSize(nx_data_t data);
+	NX_API int NXDataGet(nx_data_t data, const void **bytes, size_t *length);
+
+	/* You can _only_ call these on your own nx_data_t object _before_ you give it to anyone else! */
+	NX_API int NXDataSetMIME(nx_data_t data, nx_string_t mime_type);
+	NX_API int NXDataSetDescription(nx_data_t data, nx_string_t description);
+	NX_API int NXDataSetSourceURI(nx_data_t data, nx_uri_t source_uri);
+	NX_API int NXDataSetSourceStat(nx_data_t data, nx_file_stat_t source_stats);	
+
+	/* you need to call NXStringRelease on what you get back (if the function succeeded) */
+	NX_API int NXDataGetMIME(nx_data_t data, nx_string_t *mime_type);
+	NX_API int NXDataGetDescription(nx_data_t data, nx_string_t *description);
+	NX_API int NXDataGetSourceURI(nx_data_t data, nx_uri_t *source_uri);
+	NX_API int NXDataGetSourceStat(nx_data_t data, nx_file_stat_t *source_stats);
+	
+	
+#ifdef __cplusplus
+}
+#endif
diff --git a/Src/replicant/nx/win/nxfile.c b/Src/replicant/nx/win/nxfile.c
new file mode 100644
index 00000000..dbf79089
--- /dev/null
+++ b/Src/replicant/nx/win/nxfile.c
@@ -0,0 +1,68 @@
+#include "nxfile.h"
+#include "foundation/error.h"
+#include <sys/stat.h>
+ns_error_t NXFile_move(nx_uri_t destination, nx_uri_t source)
+{
+	if (!ReplaceFile(destination->string, source->string, 0, 0, 0, 0))
+	{
+		if (!MoveFile(source->string, destination->string))
+		{
+			if (!CopyFile(source->string, destination->string, FALSE))
+			{
+				return NErr_Error;
+			}
+			DeleteFile(source->string);
+		}
+	}
+	return NErr_Success;
+}
+
+ns_error_t NXFile_unlink(nx_uri_t filename)
+{
+	if (DeleteFile(filename->string))
+		return NErr_Success;
+	else
+		return NErr_Error;
+}
+
+ns_error_t NXFile_stat(nx_uri_t filename, nx_file_stat_t file_stats)
+{
+	struct __stat64 buffer; 
+
+	if (_wstat64(filename->string, &buffer) == 0)
+	{
+		file_stats->access_time = buffer.st_atime;
+		file_stats->creation_time = buffer.st_ctime;
+		file_stats->modified_time = buffer.st_mtime;
+		file_stats->file_size = buffer.st_size;
+		return NErr_Success;
+	}
+	else
+		return NErr_Error;
+}
+
+ns_error_t NXFile_statFILE(FILE *f, nx_file_stat_t file_stats)
+{
+	int fd = _fileno(f);	
+	if (fd == -1)
+		return NErr_Error;
+
+	return NXFile_fstat(fd, file_stats);
+}
+
+ns_error_t NXFile_fstat(int file_descriptor, nx_file_stat_t file_stats)
+{
+	struct __stat64 buffer; 
+
+	if (_fstat64(file_descriptor, &buffer) == 0)
+	{
+		file_stats->access_time = buffer.st_atime;
+		file_stats->creation_time = buffer.st_ctime;
+		file_stats->modified_time = buffer.st_mtime;
+		file_stats->file_size = buffer.st_size;
+		return NErr_Success;
+	}
+	else
+		return NErr_Error;
+}
+
diff --git a/Src/replicant/nx/win/nxfile.h b/Src/replicant/nx/win/nxfile.h
new file mode 100644
index 00000000..d7d943e2
--- /dev/null
+++ b/Src/replicant/nx/win/nxfile.h
@@ -0,0 +1,116 @@
+#pragma once
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#include "../../nx/nxapi.h"
+#include <stdio.h> // for FILE
+
+#include "../../nx/nxuri.h"
+#include <io.h>
+#include <fcntl.h>
+#include "../../nx/nxtime.h"
+#include "../../foundation/error.h"
+#include "../../jnetlib/jnetlib.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+	typedef struct nx_file_stat_s
+	{
+		nx_time_unix_64_t creation_time;
+		nx_time_unix_64_t access_time;
+		nx_time_unix_64_t modified_time;
+		uint64_t file_size;
+	} nx_file_stat_s, *nx_file_stat_t;
+
+	typedef enum
+	{
+		nx_file_FILE_none = 0,
+		nx_file_FILE_binary = (1 << 0),
+		nx_file_FILE_read_text= (1 << 1),
+		nx_file_FILE_read_binary=nx_file_FILE_read_text|nx_file_FILE_binary,
+		nx_file_FILE_write_text=(1 << 2),
+		nx_file_FILE_write_binary=nx_file_FILE_write_text|nx_file_FILE_binary,
+		nx_file_FILE_update_text=(1 << 3),
+		nx_file_FILE_update_binary=nx_file_FILE_update_text|nx_file_FILE_binary,
+		nx_file_FILE_readwrite_text=(1 << 4),
+		nx_file_FILE_readwrite_binary=nx_file_FILE_readwrite_text|nx_file_FILE_binary,
+
+		nx_file_FILE_writable_mask = nx_file_FILE_write_text|nx_file_FILE_update_text|nx_file_FILE_readwrite_text,
+	} nx_file_FILE_flags_t;
+
+	static const int nx_file_O_BINARY=_O_BINARY;
+	static const int nx_file_O_WRONLY=_O_WRONLY;
+	static const int nx_file_O_RDONLY=_O_RDONLY;
+
+	static FILE *NXFile_fopen(nx_uri_t filename, nx_file_FILE_flags_t flags)
+	{
+		if (filename)
+			{
+			if (flags == nx_file_FILE_read_binary)
+			{
+				return _wfopen(filename->string, L"rb");
+			}
+			else if (flags == nx_file_FILE_write_binary)
+			{
+				return _wfopen(filename->string, L"wb");
+			}
+			else if (flags == nx_file_FILE_update_binary)
+			{
+				return _wfopen(filename->string, L"r+b");
+			}
+			else if (flags == nx_file_FILE_readwrite_binary)
+			{
+				return _wfopen(filename->string, L"w+b");
+			}
+		}
+		return 0;
+	}
+
+	/* returns a file descriptor */
+	static int NXFile_open(nx_uri_t filename, int flags)
+	{
+		return _wopen(filename->string, flags);
+	}
+
+	NX_API ns_error_t NXFile_move(nx_uri_t destination, nx_uri_t source);
+	NX_API ns_error_t NXFile_unlink(nx_uri_t filename);
+	NX_API ns_error_t NXFile_stat(nx_uri_t filename, nx_file_stat_t file_stats);
+	NX_API ns_error_t NXFile_statFILE(FILE *f, nx_file_stat_t file_stats);
+	NX_API ns_error_t NXFile_fstat(int file_descriptor, nx_file_stat_t file_stats);
+
+	/* --------------------------------------------------------------------------- */
+	typedef struct nx_file_s { size_t dummy; } *nx_file_t;
+	NX_API ns_error_t NXFileOpenFile(nx_file_t *out_file, nx_uri_t filename, nx_file_FILE_flags_t flags);
+	NX_API ns_error_t NXFileOpenProgressiveDownloader(nx_file_t *out_file, nx_uri_t filename, nx_file_FILE_flags_t flags, jnl_http_t http, const char *user_agent);
+	NX_API ns_error_t NXFileOpenZip(nx_file_t *out_file, nx_uri_t filename, nx_string_t extension_hint);
+	NX_API nx_file_t NXFileRetain(nx_file_t f);
+	NX_API void NXFileRelease(nx_file_t f);
+	/* the implementation of this function will only return NErr_EndOfFile if 0 bytes were read. 
+	   when *bytes_read < bytes_requested, it's likely that the file is at the end, but it will still return NErr_Success
+	   until the next call */
+	NX_API ns_error_t NXFileRead(nx_file_t f, void *buffer, size_t bytes_requested, size_t *bytes_read);
+	NX_API ns_error_t NXFileWrite(nx_file_t f, const void *buffer, size_t bytes);
+	NX_API ns_error_t NXFileSeek(nx_file_t f, uint64_t position);
+	NX_API ns_error_t NXFileTell(nx_file_t f, uint64_t *position);
+	NX_API ns_error_t NXFileLockRegion(nx_file_t _f, uint64_t start_position, uint64_t end_position);
+	NX_API ns_error_t NXFileUnlockRegion(nx_file_t _f);
+	/* file_stats does _not_ take into account the current region */
+	NX_API ns_error_t NXFileStat(nx_file_t f, nx_file_stat_t file_stats);
+	/* returns the length of the file given the current region */
+	NX_API ns_error_t NXFileLength(nx_file_t f, uint64_t *length);
+	/* returns NErr_True, NErr_False, or possibly some error */
+	NX_API ns_error_t NXFileEndOfFile(nx_file_t f);
+	/* this exists as a one-off for nsmp4. hopefully we can get rid of it */
+	NX_API ns_error_t NXFilePeekByte(nx_file_t f, uint8_t *byte);
+	NX_API ns_error_t NXFileSync(nx_file_t f);
+	NX_API ns_error_t NXFileTruncate(nx_file_t f);
+	
+	/* only valid for Progressive Downloader objects */
+	NX_API ns_error_t NXFileProgressiveDownloaderAvailable(nx_file_t f, uint64_t size, uint64_t *available);
+	
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/Src/replicant/nx/win/nximage.c b/Src/replicant/nx/win/nximage.c
new file mode 100644
index 00000000..46586002
--- /dev/null
+++ b/Src/replicant/nx/win/nximage.c
@@ -0,0 +1,34 @@
+#include "nximage.h"
+
+static HANDLE image_heap;
+void NXImageSetHeap(HANDLE _image_heap)
+{
+	if (!image_heap)
+		image_heap = _image_heap;
+}
+
+static size_t NXImageMallocSize(size_t bytes)
+{
+	return sizeof(nx_image_s) + bytes - sizeof(ARGB32);
+}
+
+nx_image_t NXImageMalloc(uint32_t width, uint32_t height)
+{
+	size_t bytes;
+	nx_image_t img;
+	bytes = width*height*4; // TODO: overflow check
+
+	img = (nx_image_t)malloc(NXImageMallocSize(bytes));
+	img->ref_count = 1;
+	img->len = bytes;
+	img->width = width;
+	img->height = height;
+	return img;
+	
+}
+
+nx_image_t NXImageRetain(nx_image_t image)
+{
+	image->ref_count++;
+	return image;
+}
\ No newline at end of file
diff --git a/Src/replicant/nx/win/nximage.h b/Src/replicant/nx/win/nximage.h
new file mode 100644
index 00000000..eab587f1
--- /dev/null
+++ b/Src/replicant/nx/win/nximage.h
@@ -0,0 +1,24 @@
+#pragma once
+#include "foundation/types.h"
+#include "nxapi.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct nx_image
+{
+	size_t ref_count;
+	uint32_t width;
+	uint32_t height;
+	size_t len;
+	ARGB32 image[1];
+} nx_image_s, *nx_image_t;
+
+NX_API void NXImageSetHeap(HANDLE image_heap);
+NX_API nx_image_t NXImageMalloc(uint32_t width, uint32_t height);
+NX_API nx_image_t NXImageRetain(nx_image_t image);
+
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/Src/replicant/nx/win/nxlog.c b/Src/replicant/nx/win/nxlog.c
new file mode 100644
index 00000000..7e8da01b
--- /dev/null
+++ b/Src/replicant/nx/win/nxlog.c
@@ -0,0 +1,19 @@
+#include "nxlog.h"
+#include <stdio.h>
+#include <stdarg.h>
+//#include <windows.h>
+
+static char *nx_log_tag = "libreplicant";
+#define MAX_FMT_SIZE 512
+
+void NXLog(int priority, char *fmt, ...){
+
+	char formatted_string[MAX_FMT_SIZE];
+
+	 va_list argptr;
+	 va_start(argptr,fmt);
+	 vsnprintf(formatted_string, MAX_FMT_SIZE, fmt, argptr);
+	 va_end(argptr);
+
+//	OutputDebugString(formatted_string);
+}
diff --git a/Src/replicant/nx/win/nxlog.h b/Src/replicant/nx/win/nxlog.h
new file mode 100644
index 00000000..9e3a41ad
--- /dev/null
+++ b/Src/replicant/nx/win/nxlog.h
@@ -0,0 +1,13 @@
+#pragma once
+#include "foundation/types.h"
+#include "nx/nxapi.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+NX_API void NXLog(int priority, char *fmt, ...);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/Src/replicant/nx/win/nxmutablestring.c b/Src/replicant/nx/win/nxmutablestring.c
new file mode 100644
index 00000000..1e11bdba
--- /dev/null
+++ b/Src/replicant/nx/win/nxmutablestring.c
@@ -0,0 +1,40 @@
+#include "nxmutablestring.h"
+#include "foundation/error.h"
+
+/* currently this is closely coupled with the nx_string_t implementation. beware! */
+extern HANDLE string_heap;
+
+void NXMutableStringDestroy(nx_mutable_string_t mutable_string)
+{
+	if (mutable_string)
+	{
+		if (mutable_string->nx_string_data)
+			NXStringRelease(mutable_string->nx_string_data);
+		HeapFree(string_heap, 0, mutable_string);
+	}
+}
+
+nx_mutable_string_t NXMutableStringCreateFromXML(const nsxml_char_t *characters, size_t num_characters)
+{
+	nx_mutable_string_t mutable_string = (nx_mutable_string_t)HeapAlloc(string_heap, 0, sizeof(nx_mutable_string_struct_t));
+	NXStringCreateWithBytes(&mutable_string->nx_string_data, characters, num_characters*2, nx_charset_utf16le);
+	mutable_string->allocation_length = num_characters;
+	return mutable_string;
+}
+
+int NXMutableStringGrowFromXML(nx_mutable_string_t mutable_string, const nsxml_char_t *characters, size_t num_characters)
+{
+	if (mutable_string->nx_string_data->len + num_characters + 1 > mutable_string->allocation_length)
+	{
+		nx_string_t new_string = NXStringRealloc(mutable_string->nx_string_data, mutable_string->nx_string_data->len + num_characters + 1);
+		if (!new_string)
+			return NErr_OutOfMemory;
+		mutable_string->nx_string_data = new_string;
+		mutable_string->allocation_length = mutable_string->nx_string_data->len + num_characters + 1;
+	}
+	memcpy(mutable_string->nx_string_data->string + mutable_string->nx_string_data->len, characters, num_characters*sizeof(wchar_t));
+	mutable_string->nx_string_data->len += num_characters;
+	mutable_string->nx_string_data->string[mutable_string->nx_string_data->len]=0; /* well null terminate */
+
+	return NErr_Success;
+}
\ No newline at end of file
diff --git a/Src/replicant/nx/win/nxmutablestring.h b/Src/replicant/nx/win/nxmutablestring.h
new file mode 100644
index 00000000..49485582
--- /dev/null
+++ b/Src/replicant/nx/win/nxmutablestring.h
@@ -0,0 +1,24 @@
+#pragma once
+
+#include "foundation/types.h"
+#include "nx/nxstring.h"
+#include "nx/nxapi.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct nx_mutable_string_struct_t
+{
+	size_t allocation_length;
+	nx_string_t nx_string_data;
+} nx_mutable_string_struct_t, *nx_mutable_string_t;
+ 
+
+NX_API nx_mutable_string_t NXMutableStringCreateFromXML(const nsxml_char_t *characters, size_t num_characters);
+NX_API void NXMutableStringDestroy(nx_mutable_string_t mutable_string);
+NX_API int NXMutableStringGrowFromXML(nx_mutable_string_t mutable_string, const nsxml_char_t *characters, size_t num_characters);
+
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/Src/replicant/nx/win/nxonce.c b/Src/replicant/nx/win/nxonce.c
new file mode 100644
index 00000000..293534f7
--- /dev/null
+++ b/Src/replicant/nx/win/nxonce.c
@@ -0,0 +1,43 @@
+#include "nxonce.h"
+#include "foundation/error.h"
+#if 0 && _WIN32_WINNT >= 0x600
+
+void NXOnce(nx_once_t once, int (NX_ONCE_API *init_fn)(nx_once_t, void *, void **), void *param)
+{
+	InitOnceExecuteOnce(once, (PINIT_ONCE_FN)init_fn, param, 0);
+}
+
+void NXOnceInit(nx_once_t once)
+{
+	InitOnceInitialize(once);
+}
+#else
+/* this ONLY works because of the strict(ish) memory ordering of the AMD64/x86 processors. 
+ Don't use this implementation for a processor that has loose memory ordering restriction (e.g. ARM, PowerPC)
+ see http://www.aristeia.com/Papers/DDJ_Jul_Aug_2004_revised.pdf
+ */
+void NXOnce(nx_once_t once, int (NX_ONCE_API *init_fn)(nx_once_t, void *, void **), void *param)
+{
+    if (once->status)
+        return;
+    
+    EnterCriticalSection(&once->critical_section);
+    if (once->status)
+    {
+        LeaveCriticalSection(&once->critical_section);
+        return;
+    }
+    
+    init_fn(once, param, 0);
+    // benski> not important for the x86, but on processors with weak memory-order on stores, once->status might set to 1 BEFORE all stores from init_fn complete!
+    once->status = 1;
+    LeaveCriticalSection(&once->critical_section);
+}
+
+void NXOnceInit(nx_once_t once)
+{
+	once->status=0;
+	InitializeCriticalSection(&once->critical_section);	
+}
+
+#endif
\ No newline at end of file
diff --git a/Src/replicant/nx/win/nxonce.h b/Src/replicant/nx/win/nxonce.h
new file mode 100644
index 00000000..7cdd53a6
--- /dev/null
+++ b/Src/replicant/nx/win/nxonce.h
@@ -0,0 +1,35 @@
+#pragma once
+#include "nxapi.h"
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if 0 && _WIN32_WINNT >= 0x600
+	typedef INIT_ONCE nx_once_value_t;
+	typedef INIT_ONCE *nx_once_t;
+#define NX_ONCE_INITIALIZE INIT_ONCE_STATIC_INIT
+#define NX_ONCE_API CALLBACK
+	
+NX_API void NXOnce(nx_once_t once, int (NX_ONCE_API *init_fn)(nx_once_t, void *, void **), void *param); 
+NX_API void NXOnceInit(nx_once_t once);
+#else
+	typedef struct nx_once_s 
+	{
+		volatile int status;
+		CRITICAL_SECTION critical_section;
+	} nx_once_value_t, *nx_once_t;
+	
+#define NX_ONCE_API
+
+	NX_API void NXOnce(nx_once_t once, int (NX_ONCE_API *init_fn)(nx_once_t, void *, void **), void *); 
+	NX_API void NXOnceInit(nx_once_t once);
+
+#endif
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/Src/replicant/nx/win/nxpath.c b/Src/replicant/nx/win/nxpath.c
new file mode 100644
index 00000000..1841640b
--- /dev/null
+++ b/Src/replicant/nx/win/nxpath.c
@@ -0,0 +1,113 @@
+#include "nxpath.h"
+#include <shlwapi.h>
+#include "foundation/error.h"
+
+static const wchar_t *FindExtension(nx_uri_t filename)
+{
+	size_t position;
+	if (!filename || !filename->string || !filename->len)
+		return 0;
+
+	position=filename->len;
+	while (position--)
+	{
+		wchar_t c = filename->string[position];
+		if (c == '.')
+			return &filename->string[position+1];
+		if (c == '/' || c == '\\')
+			return 0;
+	}
+	return 0;
+}
+
+static const wchar_t *FindFilename(nx_uri_t filename)
+{
+	size_t position;
+	if (!filename || !filename->string || !filename->len)
+		return 0;
+
+	position=filename->len;
+	while (position--)
+	{
+		wchar_t c = filename->string[position];
+		if (c == '/' || c == '\\')
+			return &filename->string[position+1];
+	}
+	return 0;
+}
+
+size_t NXPathMatchExtensionList(nx_uri_t filename, nx_string_t *extension_list, size_t num_extensions)
+{
+	const wchar_t *ext = FindExtension(filename);
+	if (ext && *ext)
+	{
+		size_t i;
+		for (i=0;i<num_extensions;i++)
+		{
+#if WINVER >= 0x0600
+			if (CompareStringOrdinal(ext, -1, extension_list[i]->string, -1, TRUE) == CSTR_EQUAL)
+				return i;
+#else
+			if (CompareString(LOCALE_INVARIANT, NORM_IGNORECASE, ext, -1, extension_list[i]->string, -1) == CSTR_EQUAL)
+				return i;
+#endif
+		}
+	}
+	return num_extensions;
+}
+
+int NXPathMatchExtension(nx_uri_t filename, nx_string_t extension)
+{
+	const wchar_t *ext = FindExtension(filename);
+	if (ext && *ext)
+	{
+#if WINVER >= 0x0600
+		if (CompareStringOrdinal(ext, -1, extension->string, -1, TRUE) == CSTR_EQUAL)
+			return NErr_Success;
+#else
+		if (CompareString(LOCALE_INVARIANT, NORM_IGNORECASE, ext, -1, extension->string, -1) == CSTR_EQUAL)
+			return NErr_Success;
+#endif
+	}
+	return NErr_False;
+}
+
+int NXPathProtocol(nx_uri_t filename, const char *protocol)
+{
+	if (PathIsURL(filename->string))
+	{
+		wchar_t protocol_from_filename[100];
+		DWORD protocol_length=100;
+		if (UrlGetPart(filename->string, protocol_from_filename, &protocol_length, URL_PART_SCHEME, 0) == S_OK)
+		{
+			DWORD i;
+			for (i=0;i<protocol_length;i++)
+			{
+				if ((wchar_t)(protocol[i]) != protocol_from_filename[i])
+					return NErr_False;
+			}
+			return NErr_Success;
+		}
+	}
+	return NErr_False;
+}
+
+int NXPathIsURL(nx_uri_t filename)
+{
+	if (PathIsURL(filename->string))
+		return NErr_True;
+	else
+		return NErr_False;
+}
+
+int NXPathIsRelative(nx_uri_t filename)
+{
+	if (filename->len >= 3 && filename->string[1] == L':' && (filename->string[2] == L'\\' || filename->string[2] == L'/'))
+		return NErr_False;
+
+	if (filename->len >= 1 && (filename->string[2] == L'\\' || filename->string[2] == L'/'))
+		return NErr_False;
+
+	return NErr_True;
+}
+
diff --git a/Src/replicant/nx/win/nxpath.h b/Src/replicant/nx/win/nxpath.h
new file mode 100644
index 00000000..baf70d71
--- /dev/null
+++ b/Src/replicant/nx/win/nxpath.h
@@ -0,0 +1,26 @@
+#pragma once
+#include "foundation/types.h"
+#include "nx/nxapi.h"
+#include "nx/nxstring.h"
+#include "nx/nxuri.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+	// returns index into the extension list of a match extension
+	// returns >= num_extensions on failure
+NX_API size_t NXPathMatchExtensionList(nx_uri_t filename, nx_string_t *extension_list, size_t num_extensions);
+
+// return NErr_True / NErr_False
+NX_API int NXPathMatchExtension(nx_uri_t filename, nx_string_t extension);
+
+// return NErr_True / NErr_False
+NX_API int NXPathProtocol(nx_uri_t filename, const char *protocol);
+
+// return NErr_True / NErr_False
+NX_API int NXPathIsURL(nx_uri_t filename);
+
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/Src/replicant/nx/win/nxsemaphore.c b/Src/replicant/nx/win/nxsemaphore.c
new file mode 100644
index 00000000..25070336
--- /dev/null
+++ b/Src/replicant/nx/win/nxsemaphore.c
@@ -0,0 +1,24 @@
+#include "nxsemaphore.h"
+#include "foundation/error.h"
+int NXSemaphoreCreate(nx_semaphore_t *sem)
+{
+	*sem = CreateSemaphore(0, 0, LONG_MAX, 0);
+	return NErr_Success;
+}
+
+int NXSemaphoreRelease(nx_semaphore_t sem)
+{
+	ReleaseSemaphore(sem, 1, 0);
+	return NErr_Success;
+}
+
+int NXSemaphoreWait(nx_semaphore_t sem)
+{
+	WaitForSingleObject(sem, INFINITE);
+	return NErr_Success;
+}
+
+void NXSemaphoreClose(nx_semaphore_t sem)
+{
+	CloseHandle(sem);
+}
\ No newline at end of file
diff --git a/Src/replicant/nx/win/nxsemaphore.h b/Src/replicant/nx/win/nxsemaphore.h
new file mode 100644
index 00000000..9509fe5a
--- /dev/null
+++ b/Src/replicant/nx/win/nxsemaphore.h
@@ -0,0 +1,16 @@
+#pragma once
+#include <windows.h>
+#include "nx/nxapi.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+	typedef HANDLE nx_semaphore_t;
+
+	NX_API int NXSemaphoreCreate(nx_semaphore_t *sem);
+	NX_API int NXSemaphoreRelease(nx_semaphore_t sem);
+	NX_API int NXSemaphoreWait(nx_semaphore_t sem);
+	NX_API void NXSemaphoreClose(nx_semaphore_t sem);
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/Src/replicant/nx/win/nxsleep.c b/Src/replicant/nx/win/nxsleep.c
new file mode 100644
index 00000000..245cf4c8
--- /dev/null
+++ b/Src/replicant/nx/win/nxsleep.c
@@ -0,0 +1,14 @@
+#include "nxsleep.h"
+#include "foundation/error.h"
+int NXSleep(unsigned int milliseconds)
+{
+	Sleep(milliseconds);
+	return NErr_Success;
+}
+
+int NXSleepYield(void)
+{
+	Sleep(0);
+	return NErr_Success;
+}
+
diff --git a/Src/replicant/nx/win/nxsleep.h b/Src/replicant/nx/win/nxsleep.h
new file mode 100644
index 00000000..98da22f0
--- /dev/null
+++ b/Src/replicant/nx/win/nxsleep.h
@@ -0,0 +1,17 @@
+#pragma once
+#include "nx/nxapi.h"
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+NX_API int NXSleep(unsigned int milliseconds);
+NX_API int NXSleepYield(void);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/Src/replicant/nx/win/nxstring.c b/Src/replicant/nx/win/nxstring.c
new file mode 100644
index 00000000..fca479e2
--- /dev/null
+++ b/Src/replicant/nx/win/nxstring.c
@@ -0,0 +1,756 @@
+#include "nxstring.h"
+#include "foundation/error.h"
+#include <shlwapi.h>
+#include "foundation/atomics.h"
+#include <wchar.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <assert.h>
+#pragma comment(lib, "shlwapi.lib")
+
+//#define NX_STRING_STRICT_HEAP
+
+HANDLE string_heap = 0;
+
+int NXStringSetHeap(HANDLE _string_heap)
+{
+	if (!string_heap)
+	{
+		string_heap = _string_heap;
+		return NErr_Success;
+	}
+	else
+	{
+		return NErr_NoAction;
+	}
+}
+
+// don't include null terminator here
+static size_t NXStringMallocSize(size_t characters)
+{
+	/* TODO: overflow check? */
+	const nx_string_t dummy=NULL;
+	size_t header = (size_t)&dummy->string[0] - (size_t)dummy;
+	return header + (characters+1) * sizeof(wchar_t);
+}
+
+// don't include null terminator here
+nx_string_t NXStringMalloc(size_t characters)
+{
+	if (!string_heap)
+	{
+		string_heap = GetProcessHeap();
+	}
+	return NXStringMallocWithHeap(string_heap, characters);
+}
+
+nx_string_t NXStringRealloc(nx_string_t str, size_t characters)
+{
+	nx_string_t new_str = (nx_string_t)HeapReAlloc(string_heap, 0, str, NXStringMallocSize(characters));
+	// on failure, kick back the original block (TODO need to review this)
+	if (!new_str)
+	{
+		return str;
+	}
+	return new_str;
+}
+
+nx_string_t NXStringMallocWithHeap(HANDLE heap, size_t characters)
+{
+#ifdef NX_STRING_STRICT_HEAP
+	nx_string_t str;
+	size_t string_size = NXStringMallocSize(characters);
+
+	size_t allocated_size = (string_size + 8191) & ~4095;
+	size_t offset = 4096 - (string_size & 4095);
+	size_t pages = allocated_size / 4096;
+	uint8_t *protect_start;
+	void *mem = VirtualAlloc(0, allocated_size, MEM_COMMIT, PAGE_READWRITE);
+
+	if (!mem)
+		return 0;
+
+	protect_start = (uint8_t *)mem + (pages-1)*4096;
+	VirtualProtect(protect_start, 4096, PAGE_NOACCESS, 0);
+
+	str = (nx_string_t)((uint8_t *)mem + offset);
+	str->ref_count = 1;
+	str->len = characters;
+	return str;
+#else
+	nx_string_t str = (nx_string_t)HeapAlloc(heap, 0, NXStringMallocSize(characters));
+	if (str)
+	{
+		str->ref_count = 1;
+		str->len = characters;
+	}
+	return str;
+#endif
+}
+
+int NXStringFree(HANDLE heap, nx_string_t str)
+{
+#ifdef NX_STRING_STRICT_HEAP
+	uint8_t *mem = (uint8_t *)((size_t)str & 4095);
+	VirtualProtect(mem, 4096, PAGE_NOACCESS, 0);
+	assert(_heapchk() == _HEAPOK);
+	return NErr_Success;
+#else
+	if (HeapFree(heap, 0, str))
+	{
+		return NErr_Success;
+	}
+	else
+	{
+		return NErr_Error;
+	}
+#endif
+}
+
+nx_string_t NXStringCreate(const wchar_t *str)
+{
+	size_t size;
+	nx_string_t nxstr;
+
+	if (!str || (size_t)str <= 65536)
+	{
+		return 0;
+	}
+
+	size = wcslen(str);
+	nxstr = NXStringMalloc(size);
+	if (nxstr)
+	{
+		memcpy(nxstr->string, str, size*sizeof(wchar_t));
+		nxstr->string[size]=0;
+	}
+	return nxstr;
+}
+
+int NXStringCreateEmpty(nx_string_t *new_string)
+{
+	nx_string_t nxstr = NXStringMalloc(0);
+	if (nxstr)
+	{
+		nxstr->string[0]=0;
+		*new_string = nxstr;
+		return NErr_Success;
+	}
+	else
+	{
+		return NErr_OutOfMemory;
+	}
+}
+
+nx_string_t NXStringCreateWithHeap(HANDLE heap, const wchar_t *str)
+{
+	size_t size = wcslen(str);
+	nx_string_t nxstr = NXStringMallocWithHeap(heap, size);
+	if (nxstr)
+	{
+		memcpy(nxstr->string, str, size*sizeof(wchar_t));
+		nxstr->string[size]=0;
+	}
+	return nxstr;
+}
+
+nx_string_t NXStringCreateFromUTF8(const char *str)
+{
+	nx_string_t nxstr;
+	size_t size = MultiByteToWideChar(CP_UTF8, 0, str, -1, 0,0);
+	if (!size)
+	{
+		return 0;
+	}
+
+	nxstr = NXStringMalloc(size-1);
+	if (nxstr)
+	{
+		if (!MultiByteToWideChar(CP_UTF8, 0, str, -1, nxstr->string, (int)size))
+		{
+			NXStringFree(string_heap, nxstr);
+			return 0;
+		}
+	}
+
+	return nxstr;
+}
+
+int NXStringCreateWithUTF8(nx_string_t *new_value, const char *str)
+{
+	size_t size;
+	nx_string_t nxstr;
+
+	if (!str)
+	{
+		return NErr_Empty;
+	}
+
+	size = MultiByteToWideChar(CP_UTF8, 0, str, -1, 0,0);
+	if (!size)
+	{
+		return NErr_Error;
+	}
+
+	nxstr = NXStringMalloc(size-1);
+	if (!nxstr)
+	{
+		return NErr_OutOfMemory;
+	}
+
+	if (!MultiByteToWideChar(CP_UTF8, 0, str, -1, nxstr->string, (int)size))
+	{
+		NXStringFree(string_heap, nxstr);
+		return NErr_Error;
+	}
+
+	*new_value = nxstr;
+	return NErr_Success;
+}
+
+int NXStringCreateWithUTF16(nx_string_t *new_value, const wchar_t *str)
+{
+	size_t size;
+	nx_string_t nxstr;
+
+	if (!str)
+	{
+		return NErr_Empty;
+	}
+
+	size = wcslen(str);
+	nxstr = NXStringMalloc(size);
+	if (!nxstr)
+	{
+		return NErr_OutOfMemory;
+	}
+
+	memcpy(nxstr->string, str, size*sizeof(wchar_t));
+	nxstr->string[size]=0;
+	*new_value = nxstr;
+	return NErr_Success;
+}
+
+int NXStringCreateWithCString(nx_string_t *new_value, const char *str, nx_charset_t charset)
+{
+	nx_string_t nxstr;
+	size_t size = MultiByteToWideChar(charset, 0, str, -1, 0,0);
+	if (!size)
+	{
+		return NErr_Error;
+	}
+
+	nxstr = NXStringMalloc(size-1);
+	if (!nxstr)
+	{
+		return NErr_OutOfMemory;
+	}
+
+	if (!MultiByteToWideChar(charset, 0, str, -1, nxstr->string, (int)size))
+	{
+		NXStringFree(string_heap, nxstr);
+		return NErr_Error;
+	}
+
+	*new_value = nxstr;
+	return NErr_Success;	
+}
+
+nx_string_t NXStringRetain(nx_string_t string)
+{
+	if (!string)
+	{
+		return 0;
+	}
+
+	nx_atomic_inc(&string->ref_count);
+	return string;
+}
+
+void NXStringRelease(nx_string_t string)
+{
+	if (string)
+	{
+		if (nx_atomic_dec(&string->ref_count) == 0)
+		{
+			NXStringFree(string_heap, string);
+		}
+	}
+}
+
+nx_string_t NXStringCreateFromPath(const wchar_t *folder, const wchar_t *filename)
+{
+	nx_string_t pathstr = NXStringMalloc(MAX_PATH);
+	if (pathstr)
+	{
+		PathCombineW(pathstr->string, folder, filename);
+		pathstr->len = wcslen(pathstr->string);
+	}
+	return pathstr;
+}
+
+nx_string_t NXStringCreateFromUInt64(uint64_t value)
+{
+	nx_string_t intstr = NXStringMalloc(21); 
+	if (intstr)
+	{
+		_ui64tow(value, intstr->string, 10);
+		intstr->len = wcslen(intstr->string);
+	}
+	return intstr;
+}
+
+int NXStringCreateWithUInt64(nx_string_t *new_value, uint64_t value)
+{
+	nx_string_t intstr = NXStringMalloc(21); 
+	if (!intstr)
+	{
+		return NErr_OutOfMemory;
+	}
+
+	_ui64tow(value, intstr->string, 10);
+	intstr->len = wcslen(intstr->string);
+	*new_value = intstr;
+	return NErr_Success;
+}
+
+int NXStringCreateWithInt64(nx_string_t *new_value, int64_t value)
+{
+	nx_string_t intstr = NXStringMalloc(21); 
+	if (!intstr)
+	{
+		return NErr_OutOfMemory;
+	}
+
+	_i64tow(value, intstr->string, 10);
+	intstr->len = wcslen(intstr->string);
+	*new_value = intstr;
+	return NErr_Success;
+}
+
+int NXStringCreateWithBytes(nx_string_t *new_string, const void *data, size_t len, nx_charset_t charset)
+{
+	nx_string_t nxstr;
+	if (!len)
+	{
+		return NXStringCreateEmpty(new_string);
+	}
+	if (charset == nx_charset_utf16le)
+	{
+		nxstr = NXStringMalloc(len/2);
+		if (nxstr)
+		{
+			memcpy(nxstr->string, data, len);
+			nxstr->string[len/2]=0;
+			nxstr->len = len/2;
+			*new_string = nxstr;
+			return NErr_Success;
+		}
+		else
+		{
+			return NErr_OutOfMemory;
+		}
+	}
+	else if (charset == nx_charset_utf16be)
+	{
+		nxstr = NXStringMalloc(len/2);
+		if (nxstr)
+		{
+			LCMapString(LOCALE_INVARIANT, LCMAP_BYTEREV, (LPCWSTR)data, (int)len/2, nxstr->string, (int)len/2);
+			nxstr->string[len/2]=0;
+			nxstr->len = len/2;
+			*new_string = nxstr;
+			return NErr_Success;
+		}
+		else
+		{
+			return NErr_OutOfMemory;
+		}
+	}
+	else
+	{
+		int size = MultiByteToWideChar((UINT)charset, 0, (const char *)data, (int)len, 0, 0);
+		if (!size)
+		{
+			return NErr_Error;
+		}
+
+		nxstr = NXStringMalloc(size);
+		if (nxstr)
+		{
+			if (!MultiByteToWideChar((UINT)charset, 0, (const char *)data, (int)len, nxstr->string, size))
+			{
+				NXStringFree(string_heap, nxstr);
+				return NErr_Error;
+			}
+			nxstr->string[size]=0;
+			nxstr->len = size;
+			*new_string = nxstr;
+			return NErr_Success;
+		}
+		else
+		{
+			return NErr_OutOfMemory;
+		}
+	}
+}
+
+size_t NXStringGetLength(nx_string_t string)
+{
+	return (string ? string->len : 0);
+}
+
+/* --- Keyword (ASCII) comparison --- */
+int NXStringKeywordCompareWithCString(nx_string_t string, const char *compare_to)
+{
+	const wchar_t *src = string->string;
+	const char *dst = compare_to;
+
+	int ret = 0 ;
+
+	while( ! (ret = (int)((*src & ~0x20) - (*dst & ~0x20))) && *dst)
+	{
+		++src, ++dst;
+	}
+
+	if ( ret < 0 )
+	{
+		ret = -1 ;
+	}
+	else if ( ret > 0 )
+	{
+		ret = 1 ;
+	}
+	return( ret );
+}
+
+int NXStringKeywordCompare(nx_string_t string, nx_string_t compare_to)
+{
+	const wchar_t *src = string->string;
+	const wchar_t *dst = compare_to->string;
+
+	int ret = 0 ;
+
+	while( ! (ret = (int)((*src & ~0x20) - (*dst & ~0x20))) && *dst)
+	{
+		++src, ++dst;
+	}
+
+	if ( ret < 0 )
+	{
+		ret = -1 ;
+	}
+	else if ( ret > 0 )
+	{
+		ret = 1 ;
+	}
+	return( ret );
+}
+
+int NXStringKeywordCaseCompare(nx_string_t string, nx_string_t compare_to)
+{
+	const wchar_t *src = string->string;
+	const wchar_t *dst = compare_to->string;
+
+	int ret = 0 ;
+
+	while( ! (ret = (int)(*src - (wchar_t)*dst)) && *dst)
+	{
+		++src, ++dst;
+	}
+
+	if ( ret < 0 )
+	{
+		ret = -1 ;
+	}
+	else if ( ret > 0 )
+	{
+		ret = 1 ;
+	}
+
+	return( ret );
+}
+
+int NXStringCreateBasePathFromFilename(nx_string_t filename, nx_string_t *basepath)
+{
+	nx_string_t nxstr;
+	size_t len = filename->len;
+	while (len && filename->string[len-1] != '\\' && filename->string[len-1] != '/')
+	{
+		len--;
+	}
+
+	if (!len)
+	{
+		return NErr_Empty;
+	}
+
+	nxstr = NXStringMalloc(len);
+	if (!nxstr)
+	{
+		return NErr_OutOfMemory;
+	}
+
+	memcpy(nxstr->string, filename->string, sizeof(wchar_t)*len);
+	nxstr->string[len]=0;
+	*basepath = nxstr;
+	return NErr_Success;
+}
+
+int NXStringGetCString(nx_string_t string, char *user_buffer, size_t user_buffer_length, const char **out_cstring, size_t *out_cstring_length)
+{
+	size_t size;
+
+	/* TODO: error check this with large strings and small user_buffer_length sizes */
+	if (!string)
+	{
+		return NErr_NullPointer;
+	}
+
+	if (user_buffer_length == 0)
+		return NErr_Insufficient;
+
+	size = WideCharToMultiByte(CP_ACP, 0, string->string, (int)string->len, user_buffer, (int)user_buffer_length-1, NULL, NULL);
+	if (size == 0 && GetLastError() == ERROR_INSUFFICIENT_BUFFER)
+		size = user_buffer_length-1;
+	user_buffer[size]=0;
+	*out_cstring = user_buffer;
+	*out_cstring_length = (size_t)size;
+	return NErr_Success;
+}
+
+int NXStringGetDoubleValue(nx_string_t string, double *value)
+{
+	if (!string)
+		return NErr_NullPointer;
+
+	*value = wcstod(string->string, 0);
+	return NErr_Success;
+}
+
+int NXStringGetBytesSize(size_t *byte_count, nx_string_t string, nx_charset_t charset, int flags)
+{
+	if (charset == nx_charset_utf16le)
+	{
+		if (flags & nx_string_get_bytes_size_null_terminate)
+			*byte_count = (string->len + 1)* sizeof(wchar_t);
+		else
+			*byte_count = string->len * sizeof(wchar_t);
+		return NErr_DirectPointer;
+	}
+	else
+	{
+		size_t size=0;
+		/*if (flags & nx_string_get_bytes_size_null_terminate)
+			size = WideCharToMultiByte(charset, 0, string->string, string->len, 0, 0, NULL, NULL);
+		else*/
+			size = WideCharToMultiByte(charset, 0, string->string, (int)string->len, 0, 0, NULL, NULL);
+
+		if (!size)
+			return NErr_Error;
+
+		if (flags & nx_string_get_bytes_size_null_terminate)
+			*byte_count = size+1;
+		else
+			*byte_count = size;
+
+		return NErr_Success;
+	}
+}
+
+int NXStringGetBytesDirect(const void **bytes, size_t *length, nx_string_t string, nx_charset_t charset, int flags)
+{
+	if (charset == nx_charset_utf16le)
+	{
+		*bytes = string->string;
+		if (length)
+		{
+			if (flags & nx_string_get_bytes_size_null_terminate)
+				*length = (string->len+1) * sizeof(wchar_t); // TODO: overflow check
+			else
+				*length = string->len * sizeof(wchar_t); // TODO: overflow check
+		}
+		return NErr_Success;
+	}
+	else
+	{
+		return NErr_Error;
+	}
+
+}
+
+int NXStringGetBytes(size_t *bytes_copied, nx_string_t string, void *bytes, size_t length, nx_charset_t charset, int flags)
+{
+	if (charset == nx_charset_utf16le)
+	{
+		length/=2;
+
+		if (flags & nx_string_get_bytes_size_null_terminate)
+		{
+			if (length == 0)
+				return NErr_Insufficient;
+
+			length--;
+		}
+
+		if (length > string->len)
+			length = string->len;
+		wmemcpy((wchar_t *)bytes, string->string, length);
+
+		if (flags & nx_string_get_bytes_size_null_terminate)
+			((wchar_t *)bytes)[length++]=0;
+
+		if (bytes_copied)
+			*bytes_copied = length * 2;
+		return NErr_Success;
+	}
+	else
+	{
+		size_t size=0;
+		if (flags & nx_string_get_bytes_size_null_terminate)
+		{
+			size = WideCharToMultiByte(charset, 0, string->string, (int)string->len, (LPSTR)bytes, (int)length-1, NULL, NULL);
+			((char *)bytes)[size]=0;
+		}
+		else
+		{
+			size = WideCharToMultiByte(charset, 0, string->string, (int)string->len, (LPSTR)bytes, (int)length, NULL, NULL);
+		}
+
+		if (!size)
+		{
+			if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
+			{
+				if (flags & nx_string_get_bytes_size_null_terminate)
+					size = length-1;
+				else
+					size=length;
+			}
+			else
+			{
+				return NErr_Error;
+			}
+		}
+
+		if (bytes_copied)
+		{
+			if (flags & nx_string_get_bytes_size_null_terminate)
+			{
+				if (size)
+					*bytes_copied = size+1;
+				else
+					*bytes_copied = length+1;
+			}
+			else
+			{
+				if (size)
+					*bytes_copied = size;
+				else
+					*bytes_copied = length;
+			}
+		}
+		return NErr_Success;
+	}
+}
+
+int NXStringGetIntegerValue(nx_string_t string, int *value)
+{
+	*value = wcstol(string->string, 0, 10);
+	return NErr_Success;
+}
+
+int NXStringGetGUIDValue(nx_string_t string, GUID *out_guid)
+{
+	/* TODO: it'd be nice if this was a bit more flexible on input, e.g. no dashes vs dashes */
+	GUID guid = GUID_NULL;
+	size_t offset = 0;
+	int Data1, Data2, Data3;
+	int Data4[8] = {0};
+
+	for (;;)
+	{
+		if (string->string[offset] == '{')
+		{
+			offset++;
+		}
+		else if (string->string[offset] == ' ')
+		{
+			offset++;
+		}
+		else
+		{
+			break;
+		}
+	}
+
+	//{ 0x1b3ca60c, 0xda98, 0x4826, { 0xb4, 0xa9, 0xd7, 0x97, 0x48, 0xa5, 0xfd, 0x73 } };
+	swscanf( string->string, L"%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X",
+    &Data1, &Data2, &Data3, Data4 + 0, Data4 + 1,
+    Data4 + 2, Data4 + 3, Data4 + 4, Data4 + 5, Data4 + 6, Data4 + 7 );
+
+	// Cross assign all the values
+	guid.Data1 = Data1;
+	guid.Data2 = Data2;
+	guid.Data3 = Data3;
+	guid.Data4[0] = Data4[0];
+	guid.Data4[1] = Data4[1];
+	guid.Data4[2] = Data4[2];
+	guid.Data4[3] = Data4[3];
+	guid.Data4[4] = Data4[4];
+	guid.Data4[5] = Data4[5];
+	guid.Data4[6] = Data4[6];
+	guid.Data4[7] = Data4[7];
+
+	*out_guid = guid;
+	return NErr_Success;
+}
+
+nx_compare_result NXStringCompare(nx_string_t string1, nx_string_t string2, nx_compare_options options)
+{
+	int compareFlags = 0;
+	
+	if (0 != (nx_compare_case_insensitive & options))
+	{
+		compareFlags |= NORM_IGNORECASE;
+	}
+	return CompareString(LOCALE_USER_DEFAULT, compareFlags, string1->string, -1, string2->string, -1) - 2;
+}
+
+int NXStringCreateWithFormatting(nx_string_t *new_string, const char *format, ...)
+{
+	size_t cch, ret;
+	char *temp = 0;
+	va_list v;
+	va_start(v, format);
+	
+	cch = _vscprintf(format, v);
+	if (cch == -1)
+	{
+		return NErr_Error;
+	}
+
+	if (cch > 256)
+	{
+		temp = (char *)malloc(cch+1);
+		if (!temp)
+		{
+			return NErr_OutOfMemory;
+		}	
+		vsprintf(temp, format, v);
+	
+		ret = NXStringCreateWithUTF8(new_string, temp);
+		free(temp);
+	}
+	else
+	{
+		temp = (char *)_malloca(cch+1);
+		if (!temp)
+		{
+			return NErr_OutOfMemory;
+		}
+		vsprintf(temp, format, v);
+		ret = NXStringCreateWithUTF8(new_string, temp);
+	}
+	va_end(v);
+	return (int)ret;
+}
\ No newline at end of file
diff --git a/Src/replicant/nx/win/nxstring.h b/Src/replicant/nx/win/nxstring.h
new file mode 100644
index 00000000..5e07777a
--- /dev/null
+++ b/Src/replicant/nx/win/nxstring.h
@@ -0,0 +1,95 @@
+#pragma once
+#include "../../foundation/types.h"
+#include <windows.h>
+#include "../../nx/nxapi.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+	typedef enum 
+	{
+		nx_charset_ascii = 20127,
+		nx_charset_latin1 = 28591,
+		nx_charset_system = CP_ACP,
+		nx_charset_utf8 = CP_UTF8,
+		nx_charset_utf16le = 1200,
+		nx_charset_utf16be = 1201,
+	} nx_charset_t;
+
+	typedef struct nx_string_struct_t
+	{
+		size_t ref_count;
+		size_t len;
+		wchar_t string[1]; // utf-16
+	} nx_string_struct_t, *nx_string_t;
+	
+	enum
+	{
+		nx_compare_less_than = -1,
+		nx_compare_equal_to = 0,
+		nx_compare_greater_than = 1,
+	}; 
+	typedef int nx_compare_result;
+	
+	enum
+	{
+		nx_compare_default = 0,
+		nx_compare_case_insensitive = ( 1 << 0),
+	}; 
+	typedef unsigned long nx_compare_options;
+
+	NX_API int NXStringSetHeap(HANDLE string_heap);
+	NX_API nx_string_t NXStringCreateFromPath(const wchar_t *folder, const wchar_t *filename);
+	NX_API nx_string_t NXStringCreate(const wchar_t *str);
+	NX_API nx_string_t NXStringCreateWithHeap(HANDLE heap, const wchar_t *str);
+	NX_API nx_string_t NXStringMallocWithHeap(HANDLE heap, size_t characters);
+	NX_API nx_string_t NXStringMalloc(size_t characters);
+	NX_API nx_string_t NXStringRealloc(nx_string_t, size_t characters);
+
+	NX_API nx_string_t NXStringRetain(nx_string_t string);
+	NX_API void NXStringRelease(nx_string_t string);
+
+	NX_API nx_string_t NXStringCreateFromUTF8(const char *str);
+	NX_API int NXStringCreateWithUTF8(nx_string_t *new_value, const char *str);
+	NX_API int NXStringCreateWithUTF16(nx_string_t *new_value, const wchar_t *str);
+	NX_API int NXStringCreateWithCString(nx_string_t *new_value, const char *str, nx_charset_t charset);
+	NX_API nx_string_t NXStringCreateFromUInt64(uint64_t value);
+	NX_API int NXStringCreateWithUInt64(nx_string_t *new_value, uint64_t value);
+	NX_API int NXStringCreateWithInt64(nx_string_t *new_value, int64_t value);
+	NX_API int NXStringCreateWithBytes(nx_string_t *new_string, const void *data, size_t len, nx_charset_t charset);
+	NX_API int NXStringCreateEmpty(nx_string_t *new_string);
+	NX_API int NXStringCreateWithFormatting(nx_string_t *new_string, const char *format, ...);
+	
+	NX_API size_t NXStringGetLength(nx_string_t string);
+
+	/* returns strcmp style return.	compare_to is treated as an ASCII string.  
+	if compare_to has non-ASCII characters, results are undetermined */
+	NX_API int NXStringKeywordCompareWithCString(nx_string_t string, const char *compare_to);
+	NX_API int NXStringKeywordCompare(nx_string_t string, nx_string_t compare_to);
+
+	NX_API int NXStringKeywordCaseCompare(nx_string_t string, nx_string_t compare_to);
+
+	/* creates an NXString with the base path from the passed in filename (retains an appended \) */
+	NX_API int NXStringCreateBasePathFromFilename(nx_string_t filename, nx_string_t *basepath);
+
+	NX_API int NXStringGetCString(nx_string_t string, char *user_buffer, size_t user_buffer_length, const char **out_cstring, size_t *out_cstring_length);
+	NX_API int NXStringGetDoubleValue(nx_string_t string, double *value);
+	NX_API int NXStringGetIntegerValue(nx_string_t string, int *value);
+	NX_API int NXStringGetGUIDValue(nx_string_t string, GUID *guid);
+
+	static const int nx_string_get_bytes_size_null_terminate = 1; // pass this to null terminate the string
+	/* returns byte count with enough room to store a converted string
+	note: if this returns NErr_DirectPointer, you can call NXStringGetBytesDirect to directly retrieve a pointer. */
+	NX_API int NXStringGetBytesSize(size_t *byte_count, nx_string_t string, nx_charset_t charset, int flags);
+	/* if possible, retrieves a pointer to bytes.  
+	the length returned depends on whether or not you passed nx_string_get_bytes_size_null_terminate 
+	note: the pointer you get will be invalid after you call NXStringRelease on the string passed in */
+	NX_API int NXStringGetBytesDirect(const void **bytes, size_t *length, nx_string_t string, nx_charset_t charset, int flags);
+	NX_API int NXStringGetBytes(size_t *bytes_copied, nx_string_t string, void *bytes, size_t length, nx_charset_t charset, int flags);
+	
+	NX_API nx_compare_result NXStringCompare(nx_string_t string1, nx_string_t string2, nx_compare_options options);
+	
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/Src/replicant/nx/win/nxthread.c b/Src/replicant/nx/win/nxthread.c
new file mode 100644
index 00000000..0c049ad4
--- /dev/null
+++ b/Src/replicant/nx/win/nxthread.c
@@ -0,0 +1,25 @@
+#include "nxthread.h"
+#include "foundation/error.h"
+
+int NXThreadCreate(nx_thread_t *thread, nx_thread_func_t thread_function, nx_thread_parameter_t parameter)
+{
+	*thread = (nx_thread_t)CreateThread(0, 0, thread_function, parameter, 0, 0);
+	return NErr_Success;
+}
+
+int NXThreadJoin(nx_thread_t t, nx_thread_return_t *retval)
+{
+	if (!t)
+		return NErr_NullPointer;
+	WaitForSingleObject((HANDLE)t, INFINITE);
+	if (retval)
+		GetExitCodeThread((HANDLE)t, retval);
+	CloseHandle((HANDLE)t);
+	return NErr_Success;
+}
+
+int NXThreadCurrentSetPriority(int priority)
+{
+	SetThreadPriority(GetCurrentThread(), priority);
+	return NErr_Success;
+}
\ No newline at end of file
diff --git a/Src/replicant/nx/win/nxthread.h b/Src/replicant/nx/win/nxthread.h
new file mode 100644
index 00000000..5b2c2561
--- /dev/null
+++ b/Src/replicant/nx/win/nxthread.h
@@ -0,0 +1,32 @@
+
+#pragma once
+#include "nx/nxapi.h"
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+	typedef struct nx_thread_struct_t { size_t dummy; } *nx_thread_t;
+	typedef DWORD nx_thread_return_t;
+	typedef void *nx_thread_parameter_t;
+#define NXTHREADCALL CALLBACK
+	typedef nx_thread_return_t (NXTHREADCALL *nx_thread_func_t)(nx_thread_parameter_t parameter);
+
+	// TODO: add parameters for things like stack size
+NX_API int NXThreadCreate(nx_thread_t *thread, nx_thread_func_t thread_function, nx_thread_parameter_t parameter);
+NX_API int NXThreadJoin(nx_thread_t t, nx_thread_return_t *retval);
+
+enum
+{
+	NX_THREAD_PRIORITY_PLAYBACK=THREAD_PRIORITY_HIGHEST, 
+};
+// sets priority of current thread
+NX_API int NXThreadCurrentSetPriority(int priority);
+
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/Src/replicant/nx/win/nxtime.h b/Src/replicant/nx/win/nxtime.h
new file mode 100644
index 00000000..dad71c6b
--- /dev/null
+++ b/Src/replicant/nx/win/nxtime.h
@@ -0,0 +1,10 @@
+#pragma once
+#include "../../foundation/types.h"
+#include "../../nx/nxapi.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+	typedef uint64_t nx_time_unix_64_t;
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/Src/replicant/nx/win/nxuri.c b/Src/replicant/nx/win/nxuri.c
new file mode 100644
index 00000000..afe99a21
--- /dev/null
+++ b/Src/replicant/nx/win/nxuri.c
@@ -0,0 +1,258 @@
+#include "nxuri.h"
+#include <stdlib.h>
+#include "foundation/atomics.h"
+#include "foundation/error.h"
+#include "nxstring.h" // for string_heap
+#include "foundation/atomics.h"
+
+HANDLE string_heap;
+
+int NXStringFree(HANDLE heap, nx_string_t str);
+
+nx_uri_t NXURIRetain(nx_uri_t string)
+{
+	if (!string)
+	{
+		return 0;
+	}
+
+	nx_atomic_inc(&string->ref_count);
+	return string;
+}
+
+void NXURIRelease(nx_uri_t string)
+{
+	if (string)
+	{
+		if (nx_atomic_dec(&string->ref_count) == 0)
+		{
+			NXStringFree(string_heap, (nx_string_t)string);
+		}
+	}
+}
+
+// don't include null terminator here
+nx_uri_t NXURIMalloc(size_t characters)
+{
+	return (nx_uri_t)NXStringMalloc(characters);
+}
+
+int NXURICreateWithNXString(nx_uri_t *uri, nx_string_t string)
+{
+	if (!string)
+	{
+		return NErr_Empty;
+	}
+
+	*uri = NXURIRetain((nx_uri_t)string);
+	return NErr_Success;
+}
+
+int NXURICreateFromPath(nx_uri_t *uri, const wchar_t *filename, const nx_uri_t path)
+{
+	size_t filename_length = wcslen(filename);
+	size_t path_length = path->len;
+	size_t total_length = filename_length + path_length; /* TODO: check for overflow */
+	int need_slash = 1; 
+	nx_uri_t output=0;
+	if (path_length && (path->string[path_length-1] == '/' || path->string[path_length-1] == '\\'))
+	{
+		need_slash=0;
+	}
+	else
+	{
+		total_length++; /* TODO: check for overflow */
+	}
+
+	output = NXURIMalloc(total_length);
+	if (!output)
+	{
+		return NErr_OutOfMemory;
+	}
+
+	wmemcpy(output->string, path->string, path_length);
+	if (need_slash)
+	{
+		output->string[path_length]='\\'; /* TODO: URL detection to know whether to add / or \\ */
+		wcscpy(&output->string[path_length+1], filename);
+	}
+	else
+	{
+		wcscpy(&output->string[path_length], filename);
+	}
+
+	*uri = output;
+	return NErr_Success;
+}
+
+int NXURICreateWithPath(nx_uri_t *uri, const nx_uri_t filename, const nx_uri_t path)
+{
+	size_t filename_length = filename->len;
+	size_t path_length = path->len;
+	size_t total_length = filename_length + path_length; /* TODO: check for overflow */
+	int need_slash = 1; 
+	nx_uri_t output=0;
+	if (path_length && (path->string[path_length-1] == '/' || path->string[path_length-1] == '\\'))
+	{
+		need_slash=0;
+	}
+	else
+	{
+		total_length++; /* TODO: check for overflow */
+	}
+
+	output = NXURIMalloc(total_length);
+	if (!output)
+	{
+		return NErr_OutOfMemory;
+	}
+
+	wmemcpy(output->string, path->string, path_length);
+	if (need_slash)
+	{
+		output->string[path_length]='\\'; /* TODO: URL detection to know whether to add / or \\ */
+		wcscpy(&output->string[path_length+1], filename->string);
+	}
+	else
+	{
+		wcscpy(&output->string[path_length], filename->string);
+	}
+
+	*uri = output;
+	return NErr_Success;
+}
+
+int NXURIGetNXString(nx_string_t *string, nx_uri_t uri)
+{
+	*string = (nx_string_t)NXURIRetain(uri);
+	return NErr_Success;
+}
+
+static const wchar_t *FindFilename(nx_uri_t filename)
+{
+	size_t position;
+	if (!filename || !filename->string || !filename->len)
+	{
+		return 0;
+	}
+
+	position=filename->len;
+	while (position--)
+	{
+		wchar_t c = filename->string[position];
+		if (c == '/' || c == '\\')
+		{
+			return &filename->string[position+1];
+		}
+	}
+	return 0;
+}
+
+int NXURICreateTempForFilepath(nx_uri_t *out_temp, nx_uri_t filename)
+{
+	nx_uri_t new_uri;
+	size_t path_length = 0;
+	wchar_t temp_part[64] = {0};
+#if _WIN32_WINNT >= 0x600
+	int temp_length = wsprintf(temp_part, L".%x-%I64x-%d.tmp", GetCurrentThreadId(), GetTickCount64(), rand());
+#else
+	int temp_length = wsprintf(temp_part, L".%x-%Ix-%d.tmp", GetCurrentThreadId(), GetTickCount(), rand());
+#endif
+	const wchar_t *filepart = FindFilename(filename);
+	if (filepart)
+	{
+		path_length = (filepart - filename->string);
+	}
+	else
+	{
+		path_length=0;
+	}
+	new_uri = NXURIMalloc(path_length+temp_length);
+	if (!new_uri)
+	{
+		return NErr_OutOfMemory;
+	}
+	wmemcpy(new_uri->string, filename->string, path_length);
+	wmemcpy(new_uri->string+path_length, temp_part, temp_length);
+	new_uri->string[path_length+temp_length]=0;
+	*out_temp = new_uri;
+	return NErr_Success;
+}
+
+int NXURICreateWithUTF8(nx_uri_t *value, const char *utf8)
+{
+	nx_string_t nx_filename;
+	nx_uri_t uri_filename;
+
+	int ret = NXStringCreateWithUTF8(&nx_filename, utf8);
+	if (ret != NErr_Success)
+	{
+		return ret;
+	}
+
+	ret = NXURICreateWithNXString(&uri_filename, nx_filename);
+	NXStringRelease(nx_filename);
+	if (ret != NErr_Success)
+		return ret;
+
+	*value = uri_filename;
+	return NErr_Success;
+}
+
+int NXURICreateRemovingFilename(nx_uri_t *out_uri, nx_uri_t filename)
+{
+	nx_uri_t new_uri;
+	size_t path_length;
+
+	const wchar_t *filepart = FindFilename(filename);
+	if (filepart)
+	{
+		path_length = (filepart - filename->string);
+	}
+	else
+	{
+		path_length=0;
+	}
+	new_uri = NXURIMalloc(path_length);
+	if (!new_uri)
+	{
+		return NErr_OutOfMemory;
+	}
+	wmemcpy(new_uri->string, filename->string, path_length);
+	new_uri->string[path_length]=0;
+	*out_uri = new_uri;
+	return NErr_Success;
+}
+
+int NXURICreateTemp(nx_uri_t *out_temp)
+{
+	return NXURICreateTempWithExtension(out_temp, "tmp");
+}
+
+int NXURICreateTempWithExtension(nx_uri_t *out_temp, const char *extension)
+{
+	nx_uri_t new_uri;
+	wchar_t temppath[MAX_PATH-14] = {0}; // MAX_PATH-14 'cause MSDN said so
+	int path_length = GetTempPathW(MAX_PATH-14, temppath);
+	wchar_t temp_part[64] = {0};
+#if _WIN32_WINNT >= 0x600
+	int temp_length = wsprintf(temp_part, L".%x-%I64x-%d.%S", GetCurrentThreadId(), GetTickCount64(), rand(), extension);
+#else
+	int temp_length = wsprintf(temp_part, L".%x-%Ix-%d.%S", GetCurrentThreadId(), GetTickCount(), rand(), extension);
+#endif
+	new_uri = NXURIMalloc(path_length+temp_length);
+	if (!new_uri)
+	{
+		return NErr_OutOfMemory;
+	}
+	wmemcpy(new_uri->string, temppath, path_length);
+	wmemcpy(new_uri->string+path_length, temp_part, temp_length);
+	new_uri->string[path_length+temp_length]=0;
+	*out_temp = new_uri;
+	return NErr_Success;
+}
+
+size_t NXURIGetLength(nx_uri_t string)
+{
+	return (string ? string->len : 0);
+}
\ No newline at end of file
diff --git a/Src/replicant/nx/win/nxuri.h b/Src/replicant/nx/win/nxuri.h
new file mode 100644
index 00000000..c4a7bd1a
--- /dev/null
+++ b/Src/replicant/nx/win/nxuri.h
@@ -0,0 +1,44 @@
+#pragma once
+#include "../../foundation/types.h"
+#include "../../nx/nxapi.h"
+#include "../../nx/nxstring.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+    /* this thing is meant to be identical to nx_string_t, but we want to try to protect it so they don't get easily cast to nx_string_t
+     since they aren't the same on all platforms */
+    typedef struct nx_uri_struct_t
+    {
+			size_t ref_count;
+			size_t len;
+			wchar_t string[1]; // utf-16
+    } nx_uri_struct_t, *nx_uri_t;
+
+    NX_API nx_uri_t NXURIRetain(nx_uri_t string);
+    NX_API void NXURIRelease(nx_uri_t string);
+
+	NX_API nx_uri_t NXURIMalloc(size_t characters);
+	NX_API int NXURICreateWithNXString(nx_uri_t *uri, nx_string_t string);
+	NX_API int NXURICreateFromPath(nx_uri_t *uri, const wchar_t *filename, const nx_uri_t path); // windows only
+	NX_API int NXURICreateWithPath(nx_uri_t *uri, const nx_uri_t filename, const nx_uri_t path);
+	NX_API int NXURICreateWithNXString(nx_uri_t *new_value, nx_string_t string);
+	NX_API int NXURICreateTempForFilepath(nx_uri_t *out_temp, nx_uri_t filename);
+	NX_API int NXURICreateTempWithExtension(nx_uri_t *out_temp, const char *extension);
+	NX_API int NXURICreateWithUTF8(nx_uri_t *value, const char *utf8);
+	NX_API int NXURICreateTemp(nx_uri_t *out_temp);
+
+	// replaces only the filename portion of the path with the desired filename
+	// e.g., filepath = /path/to/1.mp3, *out_uri = /path/to/
+	NX_API int NXURICreateRemovingFilename(nx_uri_t *out_uri, nx_uri_t filename);
+
+
+	NX_API int NXURIGetNXString(nx_string_t *string, nx_uri_t uri);
+
+	NX_API size_t NXURIGetLength(nx_uri_t string);
+
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file