X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=flower%2Ffile-name.cc;h=c0d91d6086c8147f7d165b1360770b48a77ebe19;hb=ec376e079a0dc586ba3fe17113993525f2be69c2;hp=e0ecc58e920c2b9f19887986231932dcf74bb9de;hpb=31568c504806f35aac420a394c9eab07abd9faa7;p=lilypond.git

diff --git a/flower/file-name.cc b/flower/file-name.cc
index e0ecc58e92..c0d91d6086 100644
--- a/flower/file-name.cc
+++ b/flower/file-name.cc
@@ -1,16 +1,30 @@
 /*
-  file-name.cc - implement File_name
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the Flower Library
-
-  (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 1997--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
   Jan Nieuwenhuizen <janneke@gnu.org>
+
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "file-name.hh"
 
 #include <cstdio>
 #include <cerrno>
+#include <unistd.h>
+#include <limits.h>
+
 using namespace std;
 
 #include "config.hh"
@@ -40,10 +54,10 @@ 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;
@@ -58,30 +72,78 @@ static /* avoid warning */
 string
 slashify (string file_name)
 {
-  replace_all (file_name, '\\', '/');
-  replace_all (file_name, 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. */
 string
-File_name::to_string () const
+File_name::dir_part () const
 {
   string s;
   if (!root_.empty ())
     s = root_ + ::to_string (ROOTSEP);
+
   if (!dir_.empty ())
     {
       s += dir_;
-      if (!base_.empty () || !ext_.empty ())
-	s += ::to_string (DIRSEP);
     }
-  s += base_;
+
+  return s;
+}
+
+
+string
+File_name::file_part () const
+{
+  string s;
+  s = base_;
   if (!ext_.empty ())
     s += ::to_string (EXTSEP) + ext_;
   return s;
 }
 
+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__
@@ -127,3 +189,26 @@ 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;  
+}