Added constructors that take const char* so that you don't have to explicitly

convert literal strings to files or directories.

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%403431

dlib/dir_nav/dir_nav_kernel_1.cpp

@@ -24,8 +24,8 @@ namespace dlib
 // ----------------------------------------------------------------------------------------
 // ----------------------------------------------------------------------------------------
 
-    file::
-    file (
+    void file::
+    init (
         const std::string& name
     )
     {
@@ -95,8 +95,8 @@ namespace dlib
 // ----------------------------------------------------------------------------------------
 // ----------------------------------------------------------------------------------------
 
-    directory::
-    directory (
+    void directory::
+    init (
         const std::string& name
     )
     {

dlib/dir_nav/dir_nav_kernel_1.h

@@ -59,6 +59,7 @@ namespace dlib
         };
 
 
+        void init ( const std::string& name);
 
     public:
 
@@ -94,7 +95,11 @@ namespace dlib
 
         file (
             const std::string& name
-        );
+        ) { init(name); }
+
+        file (
+            const char* name
+        ) { init(name); }
 
         inline file (
             const file& item
@@ -181,6 +186,9 @@ namespace dlib
                 is_root()          == state->name.size() == 0
 
         !*/
+
+        void init (const std::string& name);
+
     public:
 
         struct data
@@ -229,7 +237,11 @@ namespace dlib
 
         directory (
             const std::string& name
-        );
+        ) { init(name); }
+
+        directory (
+            const char* name
+        ) { init(name); }
 
         inline directory (
             const directory& item

dlib/dir_nav/dir_nav_kernel_2.cpp

@@ -23,8 +23,8 @@ namespace dlib
 // ----------------------------------------------------------------------------------------
 // ----------------------------------------------------------------------------------------
 
-    file::
-    file (
+    void file::
+    init (
         const std::string& name
     )
     {
@@ -100,8 +100,8 @@ namespace dlib
 // ----------------------------------------------------------------------------------------
 // ----------------------------------------------------------------------------------------
 
-    directory::
-    directory (
+    void directory::
+    init (
         const std::string& name
     )
     {

dlib/dir_nav/dir_nav_kernel_2.h

@@ -66,6 +66,7 @@ namespace dlib
             unsigned long count;
         };
 
+        void init(const std::string& name);
 
     public:
 
@@ -99,7 +100,11 @@ namespace dlib
 
         file (
             const std::string& name
-        );
+        ) { init(name); }
+
+        file (
+            const char* name
+        ) { init(name); }
 
         inline file (
             const file& item
@@ -187,6 +192,8 @@ namespace dlib
 
         !*/
 
+        void init(const std::string& name);
+
     public:
         struct private_constructor{};
         inline directory (
@@ -224,7 +231,11 @@ namespace dlib
 
         directory (
             const std::string& name
-        );
+        ) { init(name); }
+
+        directory (
+            const char* name
+        ) { init(name); }
 
         inline directory (
             const directory& item

dlib/dir_nav/dir_nav_kernel_abstract.h

@@ -96,6 +96,14 @@ namespace dlib
                     accessed.                    
         !*/
 
+        file (
+            const char* name
+        );
+        /*!
+            ensures
+                - this function is idential to file(const std::string& name)
+        !*/
+
         file (
             const file& item
         );
@@ -230,6 +238,14 @@ namespace dlib
                     accessed.    
         !*/
 
+        directory (
+            const char* name
+        );
+        /*!
+            ensures
+                - this function is idential to directory(const std::string& name)
+        !*/
+
         directory (
             const directory& item
         );