Merge topic 'SystemTools-RemoveEmptyPathElements'

6173f4b3 SystemTools: Add function to remove empty path components

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !37

SystemTools.cxx

@@ -22,6 +22,7 @@
 #include KWSYS_HEADER(FStream.hxx)
 #include KWSYS_HEADER(Encoding.hxx)
 
+#include <algorithm>
 #include <fstream>
 #include <iostream>
 #include <set>
@@ -3708,6 +3709,16 @@ std::string SystemTools::JoinPath(
   return result;
 }
 
+void SystemTools::RemoveEmptyPathElements(std::vector<std::string>& path)
+{
+  if (path.empty()) {
+    return;
+  }
+
+  path.erase(std::remove(path.begin() + 1, path.end(), std::string("")),
+             path.end());
+}
+
 bool SystemTools::ComparePath(const std::string& c1, const std::string& c2)
 {
 #if defined(_WIN32) || defined(__APPLE__)

SystemTools.hxx.in

@@ -474,6 +474,10 @@ public:
   static std::string JoinPath(std::vector<std::string>::const_iterator first,
                               std::vector<std::string>::const_iterator last);
 
+  /** Removes empty components from path.
+   */
+  static void RemoveEmptyPathElements(std::vector<std::string>& path);
+
   /**
    * Compare a path or components of a path.
    */