From 32735428bbc69cf23b0dd05150cd3eb48c1d461a Mon Sep 17 00:00:00 2001
From: James Turner <zakalawe@mac.com>
Date: Fri, 1 Jul 2016 17:14:34 +0100
Subject: [PATCH 1/2] More SGPath APIs

---
 simgear/misc/sg_path.cxx | 19 +++++++++++++++++++
 simgear/misc/sg_path.hxx |  8 ++++++++
 2 files changed, 27 insertions(+)

diff --git a/simgear/misc/sg_path.cxx b/simgear/misc/sg_path.cxx
index efdf8438..067abff6 100644
--- a/simgear/misc/sg_path.cxx
+++ b/simgear/misc/sg_path.cxx
@@ -374,6 +374,11 @@ string SGPath::dir() const {
     }
 }
 
+SGPath SGPath::dirPath() const
+{
+	return SGPath::fromUtf8(dir());
+}
+
 // get the base part of the path (everything but the extension.)
 string SGPath::base() const
 {
@@ -871,6 +876,20 @@ std::vector<SGPath> SGPath::pathsFromEnv(const char *name)
 
 //------------------------------------------------------------------------------
 
+std::vector<SGPath> SGPath::pathsFromUtf8(const std::string& paths)
+{
+	std::vector<SGPath> r;
+	string_list items = sgPathSplit(paths);
+	string_list_iterator it;
+	for (it = items.begin(); it != items.end(); ++it) {
+		r.push_back(SGPath::fromUtf8(it->c_str()));
+	}
+
+	return r;
+}
+
+//------------------------------------------------------------------------------
+
 std::vector<SGPath> SGPath::pathsFromLocal8Bit(const std::string& paths)
 {
     std::vector<SGPath> r;
diff --git a/simgear/misc/sg_path.hxx b/simgear/misc/sg_path.hxx
index 9dc48458..0fbdf441 100644
--- a/simgear/misc/sg_path.hxx
+++ b/simgear/misc/sg_path.hxx
@@ -268,6 +268,12 @@ public:
      * or if the destination already exists, or is not writeable
      */
     bool rename(const SGPath& newName);
+	
+
+	/**
+	 * return the path of the parent directory of this path.
+	 */
+	SGPath dirPath() const;
 
     enum StandardLocation
     {
@@ -311,6 +317,8 @@ public:
 
     static std::vector<SGPath> pathsFromEnv(const char* name);
 
+	static std::vector<SGPath> pathsFromUtf8(const std::string& paths);
+
     static std::vector<SGPath> pathsFromLocal8Bit(const std::string& paths);
 
     static std::string join(const std::vector<SGPath>& paths, const std::string& joinWith);

From cf18d4eaafbfb8c45acd80efd81e5171d1d9f035 Mon Sep 17 00:00:00 2001
From: James Turner <zakalawe@mac.com>
Date: Sat, 2 Jul 2016 09:34:27 +0100
Subject: [PATCH 2/2] SGPath can convert to std::wstring

---
 simgear/misc/sg_path.cxx | 20 ++++++++++++++++++++
 simgear/misc/sg_path.hxx |  1 +
 2 files changed, 21 insertions(+)

diff --git a/simgear/misc/sg_path.cxx b/simgear/misc/sg_path.cxx
index 067abff6..1e6836c3 100644
--- a/simgear/misc/sg_path.cxx
+++ b/simgear/misc/sg_path.cxx
@@ -33,6 +33,7 @@
 #include <sys/stat.h>
 #include <errno.h>
 #include <fstream>
+#include <cstdlib>
 
 #ifdef _WIN32
 #  include <direct.h>
@@ -980,3 +981,22 @@ std::string SGPath::join(const std::vector<SGPath>& paths, const std::string& jo
 
     return r;
 }
+
+//------------------------------------------------------------------------------
+std::wstring SGPath::wstr() const
+{
+#ifdef SG_WINDOWS
+    return std::wstring();
+#else
+    wchar_t wideBuf[2048];
+    size_t count = mbstowcs(wideBuf, path.c_str(), 2048);
+    if (count == -1) {
+        return std::wstring();
+    } else if (count == 2048) {
+        SG_LOG( SG_GENERAL, SG_ALERT, "SGPath::wstr: overflowed conversion buffer for " << *this );
+    }
+
+    return std::wstring(wideBuf, count);
+#endif
+}
+
diff --git a/simgear/misc/sg_path.hxx b/simgear/misc/sg_path.hxx
index 0fbdf441..815960d7 100644
--- a/simgear/misc/sg_path.hxx
+++ b/simgear/misc/sg_path.hxx
@@ -190,6 +190,7 @@ public:
 
     std::string local8BitStr() const;
 
+    std::wstring wstr() const;
 
     /**
      * Get the path string