fully implement and deploy explicit x-thread signal connection syntax (testing comes...

[ardour.git] / libs / pbd / filesystem.cc

diff --git a/libs/pbd/filesystem.cc b/libs/pbd/filesystem.cc
index ea45b1da44f34b38ecbd03604f95f50c0b01f06d..9c05962a6b8130c78d84ecdb4cf3ba3f0c52260f 100644 (file)
--- a/libs/pbd/filesystem.cc
+++ b/libs/pbd/filesystem.cc
@@ -27,12 +27,14 @@
 #include <glibmm/fileutils.h>
 #include <glibmm/miscutils.h>
 
-#include <pbd/filesystem.h>
-#include <pbd/error.h>
-#include <pbd/compose.h>
+#include "pbd/filesystem.h"
+#include "pbd/error.h"
+#include "pbd/compose.h"
 
 #include "i18n.h"
 
+using namespace std;
+
 namespace PBD {
 
 namespace sys {
@@ -58,6 +60,12 @@ path::operator/=(const char* rhs)
        return *this;
 }
 
+string
+path::leaf () const
+{
+       return Glib::path_get_basename(m_path);
+}
+
 path
 path::branch_path () const
 {
@@ -130,11 +138,23 @@ remove(const path & p)
        return true;
 }
 
+void
+rename (const path & from_path, const path & to_path)
+{
+       // g_rename is a macro that evaluates to ::rename on
+       // POSIX systems, without the global namespace qualifier
+       // it would evaluate to a recursive call(if it compiled)
+       if ( ::g_rename( from_path.to_string().c_str(),
+                               to_path.to_string().c_str() ) == -1 )
+       {
+               throw filesystem_error(g_strerror(errno), errno);
+       }
+}
+
+// XXX character encoding.
 void
 copy_file(const path & from_path, const path & to_path)
 {
-       // this implementation could use mucho memory
-       // for big files.
        std::ifstream in(from_path.to_string().c_str());
        std::ofstream out(to_path.to_string().c_str());
        
@@ -146,22 +166,38 @@ copy_file(const path & from_path, const path & to_path)
        out << in.rdbuf();
        
        if (!in || !out) {
+               remove (to_path);
                throw filesystem_error(string_compose(_("Could not copy existing file %1 to %2"),
                                        from_path.to_string(), to_path.to_string()));
-               remove (to_path);
        }
 }
 
 string
 basename (const path & p)
 {
-       string base = Glib::path_get_basename (p.to_string());
+       string base(p.leaf());
 
        string::size_type n = base.rfind ('.');
 
        return base.substr (0, n);
 }
 
+string
+extension (const path & p)
+{
+       string base(p.leaf());
+
+       string::size_type n = base.rfind ('.');
+
+       if (n != string::npos)
+       {
+               return base.substr(n);
+       }
+
+       return string();
+
+}
+
 } // namespace sys
 
 } // namespace PBD