X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=flower%2Ffile-name.cc;h=bb07ebccd0f03576bedd90f0e206158d9bcf4955;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=12a63ba694f8c65e52ca463f04ddb6d6f630029d;hpb=58bcc84c9480dae1b21bc24d8396b91fe19e0131;p=lilypond.git

diff --git a/flower/file-name.cc b/flower/file-name.cc
index 12a63ba694..bb07ebccd0 100644
--- a/flower/file-name.cc
+++ b/flower/file-name.cc
@@ -3,7 +3,7 @@
 
   source file of the Flower Library
 
-  (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
   Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
@@ -11,6 +11,10 @@
 
 #include <cstdio>
 #include <cerrno>
+#include <unistd.h>
+#include <limits.h>
+
+using namespace std;
 
 #include "config.hh"
 
@@ -22,7 +26,6 @@
 #include <sys/cygwin.h>
 #endif
 
-/* We don't have multiple roots, set this to '\0'? */
 #ifndef ROOTSEP
 #define ROOTSEP ':'
 #endif
@@ -36,68 +39,165 @@
 #endif
 
 #ifdef __CYGWIN__
-static String
-dos_to_posix (String file_name)
+static string
+dos_to_posix (string file_name)
 {
-  char buf[PATH_MAX];
-  char *s = file_name.get_copy_str0 ();
-  /* urg, wtf? char const* argument gets modified! */
-  cygwin_conv_to_posix_path (s, buf);
-  delete s;
-  return buf;
+  char buf[PATH_MAX] = "";
+  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);
+  if (!fail)
+    return buf;
+  return file_name;
 }
 #endif /* __CYGWIN__ */
 
+/** Use slash as directory separator.  On Windows, they can pretty
+    much be exchanged.  */
+#if 0
+static /* avoid warning */
+#endif 
+string
+slashify (string file_name)
+{
+  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. */
-String
-File_name::to_string () const
+string
+File_name::dir_part () const
 {
-  String s;
-  if (!root_.is_empty ())
+  string s;
+  if (!root_.empty ())
     s = root_ + ::to_string (ROOTSEP);
-  if (!dir_.is_empty ())
-    s += dir_ + ::to_string (DIRSEP);
-  s += base_;
-  if (!ext_.is_empty ())
+
+  if (!dir_.empty ())
+    {
+      s += dir_;
+    }
+
+  return s;
+}
+
+
+string
+File_name::file_part () const
+{
+  string s;
+  s = base_;
+  if (!ext_.empty ())
     s += ::to_string (EXTSEP) + ext_;
   return s;
 }
 
-char const *
-File_name::to_str0 () const
+string
+File_name::to_string () const
 {
-  return to_string ().to_str0 ();
+  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)
+File_name::File_name (string file_name)
 {
 #ifdef __CYGWIN__
-  /* All system functions would work, even if we don't convert to
-     posix file_name, but we'd think that \foe\bar\baz.ly is in the cwd.
-     On by default.  */
+  /* All system functions would work, even if we do not convert to
+     posix file_name, but we would think that \foe\bar\baz.ly is in
+     the cwd.  */
   file_name = dos_to_posix (file_name);
 #endif
+#ifdef __MINGW32__
+  file_name = slashify (file_name);
+#endif
 
-  int i = file_name.index (ROOTSEP);
-  if (i >= 0)
+  ssize i = file_name.find (ROOTSEP);
+  if (i != NPOS)
     {
-      root_ = file_name.left_string (i);
-      file_name = file_name.right_string (file_name.length () - i - 1);
+      root_ = file_name.substr (0, i);
+      file_name = file_name.substr (i + 1);
     }
 
-  i = file_name.index_last (DIRSEP);
-  if (i >= 0)
+  i = file_name.rfind (DIRSEP);
+  if (i != NPOS)
     {
-      dir_ = file_name.left_string (i);
-      file_name = file_name.right_string (file_name.length () - i - 1);
+      dir_ = file_name.substr (0, i);
+      file_name = file_name.substr (i + 1);
     }
 
-  i = file_name.index_last ('.');
-  if (i >= 0)
+  i = file_name.rfind ('.');
+  if (i != NPOS)
     {
-      base_ = file_name.left_string (i);
-      ext_ = file_name.right_string (file_name.length () - i - 1);
+      base_ = file_name.substr (0, i);
+      ext_ = file_name.substr (i + 1);
     }
   else
     base_ = file_name;
 }
+
+bool
+File_name::is_absolute () const
+{
+  /*
+    Hmm. Is c:foo absolute?  
+   */
+  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;  
+}