From bf05309af734431c3b3cf869a63ed477439a6739 Mon Sep 17 00:00:00 2001
From: Hein-Pieter van Braam <hp@tmm.cx>
Date: Fri, 8 Dec 2017 15:05:47 +0100
Subject: Import thekla_atlas

As requested by reduz, an import of thekla_atlas into thirdparty/
---
 thirdparty/thekla_atlas/nvcore/FileSystem.cpp | 75 +++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 thirdparty/thekla_atlas/nvcore/FileSystem.cpp

(limited to 'thirdparty/thekla_atlas/nvcore/FileSystem.cpp')

diff --git a/thirdparty/thekla_atlas/nvcore/FileSystem.cpp b/thirdparty/thekla_atlas/nvcore/FileSystem.cpp
new file mode 100644
index 0000000000..5ed0ca074f
--- /dev/null
+++ b/thirdparty/thekla_atlas/nvcore/FileSystem.cpp
@@ -0,0 +1,75 @@
+// This code is in the public domain -- castano@gmail.com
+
+#include "FileSystem.h"
+
+#if NV_OS_WIN32
+#define _CRT_NONSTDC_NO_WARNINGS // _chdir is defined deprecated, but that's a bug, chdir is deprecated, _chdir is *not*.
+//#include <shlwapi.h> // PathFileExists
+#include <windows.h> // GetFileAttributes
+#include <direct.h> // _mkdir
+#elif NV_OS_XBOX
+#include <Xtl.h>
+#elif NV_OS_DURANGO
+#include <Windows.h>
+#else
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#endif
+#include <stdio.h> // remove, unlink
+
+using namespace nv;
+
+
+bool FileSystem::exists(const char * path)
+{
+#if NV_OS_UNIX
+	return access(path, F_OK|R_OK) == 0;
+	//struct stat buf;
+	//return stat(path, &buf) == 0;
+#elif NV_OS_WIN32 || NV_OS_XBOX || NV_OS_DURANGO
+    // PathFileExists requires linking to shlwapi.lib
+    //return PathFileExists(path) != 0;
+    return GetFileAttributesA(path) != INVALID_FILE_ATTRIBUTES;
+#else
+	if (FILE * fp = fopen(path, "r"))
+	{
+		fclose(fp);
+		return true;
+	}
+	return false;
+#endif
+}
+
+bool FileSystem::createDirectory(const char * path)
+{
+#if NV_OS_WIN32 || NV_OS_XBOX || NV_OS_DURANGO
+    return CreateDirectoryA(path, NULL) != 0;
+#elif NV_OS_ORBIS
+    // not implemented
+	return false;
+#else
+    return mkdir(path, 0777) != -1;
+#endif
+}
+
+bool FileSystem::changeDirectory(const char * path)
+{
+#if NV_OS_WIN32
+    return _chdir(path) != -1;
+#elif NV_OS_XBOX || NV_OS_DURANGO
+	// Xbox doesn't support Current Working Directory!
+	return false;
+#elif NV_OS_ORBIS
+    // Orbis doesn't support Current Working Directory!
+	return false;
+#else
+    return chdir(path) != -1;
+#endif
+}
+
+bool FileSystem::removeFile(const char * path)
+{
+    // @@ Use unlink or remove?
+    return remove(path) == 0;
+}
-- 
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