From dc822da8158af5b568ca01fbb519d7170553376a Mon Sep 17 00:00:00 2001
From: KWSys Robot <kwrobot@kitware.com>
Date: Fri, 10 Jul 2015 09:36:55 -0400
Subject: KWSys 2015-07-10 (c9336bcf)

Extract upstream KWSys using the following shell commands.

$ git archive --prefix=upstream-kwsys/ c9336bcf | tar x
$ git shortlog --no-merges --abbrev=8 --format='%h %s' d3ba91e1..c9336bcf
Brad King (2):
      86a24794 SystemTools: Fix GetActualCaseForPath drive letter case handling
      c9336bcf SystemTools: Optimize GetActualCaseForPath memoization
---
 SystemTools.cxx    | 55 +++++++++++++++++++++++++++++++++++++++---------------
 SystemTools.hxx.in |  6 +++++-
 2 files changed, 45 insertions(+), 16 deletions(-)

diff --git a/SystemTools.cxx b/SystemTools.cxx
index fed1c9c..3452259 100644
--- a/SystemTools.cxx
+++ b/SystemTools.cxx
@@ -385,6 +385,26 @@ class SystemToolsTranslationMap :
 {
 };
 
+#ifdef _WIN32
+struct SystemToolsPathCaseCmp
+{
+  bool operator()(kwsys_stl::string const& l, kwsys_stl::string const& r) const
+    {
+# ifdef _MSC_VER
+    return _stricmp(l.c_str(), r.c_str()) < 0;
+# elif defined(__GNUC__)
+    return strcasecmp(l.c_str(), r.c_str()) < 0;
+# else
+    return SystemTools::Strucmp(l.c_str(), r.c_str()) < 0;
+# endif
+    }
+};
+
+class SystemToolsPathCaseMap:
+  public kwsys_stl::map<kwsys_stl::string, kwsys_stl::string,
+                        SystemToolsPathCaseCmp> {};
+#endif
+
 // adds the elements of the env variable path to the arg passed in
 void SystemTools::GetPath(kwsys_stl::vector<kwsys_stl::string>& path, const char* env)
 {
@@ -3690,6 +3710,11 @@ static int GetCasePathName(const kwsys_stl::string & pathIn,
   // Start with root component.
   kwsys_stl::vector<kwsys_stl::string>::size_type idx = 0;
   casePath = path_components[idx++];
+  // make sure drive letter is always upper case
+  if(casePath.size() > 1 && casePath[1] == ':')
+    {
+    casePath[0] = toupper(casePath[0]);
+    }
   const char* sep = "";
 
   // If network path, fill casePath with server/share so FindFirstFile
@@ -3745,27 +3770,21 @@ kwsys_stl::string SystemTools::GetActualCaseForPath(const kwsys_stl::string& p)
 #ifndef _WIN32
   return p;
 #else
-  kwsys_stl::string casePath = p;
-  // make sure drive letter is always upper case
-  if(casePath.size() > 1 && casePath[1] == ':')
-    {
-    casePath[0] = toupper(casePath[0]);
-    }
-
   // Check to see if actual case has already been called
-  // for this path, and the result is stored in the LongPathMap
-  SystemToolsTranslationMap::iterator i =
-    SystemTools::LongPathMap->find(casePath);
-  if(i != SystemTools::LongPathMap->end())
+  // for this path, and the result is stored in the PathCaseMap
+  SystemToolsPathCaseMap::iterator i =
+    SystemTools::PathCaseMap->find(p);
+  if(i != SystemTools::PathCaseMap->end())
     {
     return i->second;
     }
+  kwsys_stl::string casePath;
   int len = GetCasePathName(p, casePath);
   if(len == 0 || len > MAX_PATH+1)
     {
     return p;
     }
-  (*SystemTools::LongPathMap)[p] = casePath;
+  (*SystemTools::PathCaseMap)[p] = casePath;
   return casePath;
 #endif
 }
@@ -5139,7 +5158,9 @@ bool SystemTools::ParseURL( const kwsys_stl::string& URL,
 // necessary.
 static unsigned int SystemToolsManagerCount;
 SystemToolsTranslationMap *SystemTools::TranslationMap;
-SystemToolsTranslationMap *SystemTools::LongPathMap;
+#ifdef _WIN32
+SystemToolsPathCaseMap *SystemTools::PathCaseMap;
+#endif
 #ifdef __CYGWIN__
 SystemToolsTranslationMap *SystemTools::Cyg2Win32Map;
 #endif
@@ -5187,7 +5208,9 @@ void SystemTools::ClassInitialize()
 #endif
   // Allocate the translation map first.
   SystemTools::TranslationMap = new SystemToolsTranslationMap;
-  SystemTools::LongPathMap = new SystemToolsTranslationMap;
+#ifdef _WIN32
+  SystemTools::PathCaseMap = new SystemToolsPathCaseMap;
+#endif
 #ifdef __CYGWIN__
   SystemTools::Cyg2Win32Map = new SystemToolsTranslationMap;
 #endif
@@ -5244,7 +5267,9 @@ void SystemTools::ClassInitialize()
 void SystemTools::ClassFinalize()
 {
   delete SystemTools::TranslationMap;
-  delete SystemTools::LongPathMap;
+#ifdef _WIN32
+  delete SystemTools::PathCaseMap;
+#endif
 #ifdef __CYGWIN__
   delete SystemTools::Cyg2Win32Map;
 #endif
diff --git a/SystemTools.hxx.in b/SystemTools.hxx.in
index 93cde02..7899141 100644
--- a/SystemTools.hxx.in
+++ b/SystemTools.hxx.in
@@ -54,6 +54,8 @@ namespace @KWSYS_NAMESPACE@
 {
 
 class SystemToolsTranslationMap;
+class SystemToolsPathCaseMap;
+
 /** \class SystemToolsManager
  * \brief Use to make sure SystemTools is initialized before it is used
  * and is the last static object destroyed
@@ -944,7 +946,9 @@ private:
    * Each time 'dir' will be found it will be replace by 'refdir'
    */
   static SystemToolsTranslationMap *TranslationMap;
-  static SystemToolsTranslationMap *LongPathMap;
+#ifdef _WIN32
+  static SystemToolsPathCaseMap *PathCaseMap;
+#endif
 #ifdef __CYGWIN__
   static SystemToolsTranslationMap *Cyg2Win32Map;
 #endif
-- 
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