X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=flower%2Ffile-name.cc;h=bb07ebccd0f03576bedd90f0e206158d9bcf4955;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=3ec427640bb7b673597b3673875c562027a08472;hpb=003f0d60ba4f7e269564a467295751bdb42c0f47;p=lilypond.git

diff --git a/flower/file-name.cc b/flower/file-name.cc
index 3ec427640b..bb07ebccd0 100644
--- a/flower/file-name.cc
+++ b/flower/file-name.cc
@@ -3,7 +3,7 @@
 
   source file of the Flower Library
 
-  (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
   Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
@@ -11,6 +11,9 @@
 
 #include <cstdio>
 #include <cerrno>
+#include <unistd.h>
+#include <limits.h>
+
 using namespace std;
 
 #include "config.hh"
@@ -36,14 +39,14 @@ using namespace std;
 #endif
 
 #ifdef __CYGWIN__
-static std::string
-dos_to_posix (std::string file_name)
+static string
+dos_to_posix (string file_name)
 {
   char buf[PATH_MAX] = "";
-  char *s = file_name.get_copy_str0 ();
+  char s[PATH_MAX] = {0};
+  file_name.copy (s, PATH_MAX - 1);
   /* ugh: char const* argument gets modified.  */
   int fail = cygwin_conv_to_posix_path (s, buf);
-  delete s;
   if (!fail)
     return buf;
   return file_name;
@@ -55,34 +58,82 @@ dos_to_posix (std::string file_name)
 #if 0
 static /* avoid warning */
 #endif 
-std::string
-slashify (std::string file_name)
+string
+slashify (string file_name)
 {
-  replace_all (file_name, '\\', '/');
-  replace_all (file_name, std::string ("//"), "/");
+  replace_all (&file_name, '\\', '/');
+  replace_all (&file_name, string ("//"), "/");
   return file_name;
 }
 
+string
+dir_name (string const file_name)
+{
+  string s = file_name;
+  s = slashify (s);
+  ssize n = s.length ();
+  if (n && s[n - 1] == '/')
+    s[n - 1] = 0;
+  if (s.rfind ('/') != NPOS)
+    s = s.substr (0, s.rfind ('/'));
+  else
+    s = "";
+  
+  return s;
+}
+
+string
+get_working_directory ()
+{
+  char cwd[PATH_MAX];
+  getcwd (cwd, PATH_MAX);
+
+  return string (cwd);
+}
+
 /* Join components to full file_name. */
-std::string
-File_name::to_string () const
+string
+File_name::dir_part () const
 {
-  std::string s;
+  string s;
   if (!root_.empty ())
-    s = root_ + std::to_string (ROOTSEP);
+    s = root_ + ::to_string (ROOTSEP);
+
   if (!dir_.empty ())
     {
       s += dir_;
-      if (!base_.empty () || !ext_.empty ())
-	s += std::to_string (DIRSEP);
     }
-  s += base_;
+
+  return s;
+}
+
+
+string
+File_name::file_part () const
+{
+  string s;
+  s = base_;
   if (!ext_.empty ())
-    s += std::to_string (EXTSEP) + ext_;
+    s += ::to_string (EXTSEP) + ext_;
   return s;
 }
 
-File_name::File_name (std::string file_name)
+string
+File_name::to_string () const
+{
+  string d = dir_part ();
+  string f = file_part ();
+
+  if (!f.empty ()
+      && !dir_.empty())
+    {
+      d += ::to_string (DIRSEP);
+    }
+
+  return d + f;
+}
+
+File_name::File_name (string file_name)
 {
 #ifdef __CYGWIN__
   /* All system functions would work, even if we do not convert to
@@ -127,3 +178,26 @@ File_name::is_absolute () const
   return (dir_.length () && dir_[0] == DIRSEP) || root_.length ();
 }
 
+
+
+File_name
+File_name::canonicalized () const
+{
+  File_name c = *this;
+
+  replace_all (&c.dir_, string ("//"), string ("/"));
+
+  vector<string> components =  string_split (c.dir_, '/');
+  vector<string> new_components;
+
+  for (vsize i = 0; i < components.size (); i++)
+    {
+      if (components[i] == "..")
+	new_components.pop_back ();
+      else
+	new_components.push_back (components[i]);
+    }
+
+  c.dir_ = string_join (new_components,  "/");
+  return c;  
+}