/*
- file-path.cc - implement File_path
-
- source file of the Flower Library
-
- (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
- Jan Nieuwenhuizen <janneke@gnu.org>
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 1997--2015 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-path.hh"
#include <cerrno>
#include "config.hh"
-#if HAVE_SYS_STAT_H
+#if HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#endif
#include "file-name.hh"
+#include "warn.hh"
#ifndef PATHSEP
#define PATHSEP ':'
#endif
+#include <algorithm>
+
+vector<string>
+File_path::directories () const
+{
+ return dirs_;
+}
+
void
-File_path::parse_path (String p)
+File_path::parse_path (const string &p)
{
- int len;
- while ((len = p.length ()) )
+ concat (dirs_, string_split (p, PATHSEP));
+}
+
+bool
+is_file (const string &file_name)
+{
+#if !STAT_MACROS_BROKEN
+ struct stat sbuf;
+ if (stat (file_name.c_str (), &sbuf) != 0)
+ return false;
+
+ return !S_ISDIR (sbuf.st_mode);
+#endif
+
+ if (FILE *f = fopen (file_name.c_str (), "r"))
{
- int i = p.index (PATHSEP);
- if (i <0)
- i = len;
- append (p.left_string (i));
- p = p.right_string (len - i - 1);
+ fclose (f);
+ return true;
}
+
+ return false;
+}
+
+bool
+is_dir (string file_name)
+{
+ /*
+ canonicalize; in particular, trailing slashes should disappear.
+ */
+ file_name = File_name (file_name).to_string ();
+
+#if !STAT_MACROS_BROKEN
+ struct stat sbuf;
+ if (stat (file_name.c_str (), &sbuf) != 0)
+ return false;
+
+ return S_ISDIR (sbuf.st_mode);
+#endif
+
+ if (FILE *f = fopen (file_name.c_str (), "r"))
+ {
+ fclose (f);
+ return true;
+ }
+ return false;
}
/** Find a file.
-
- Check absolute file name, search in the current dir (DUH! FIXME!),
- in the construction-arg (what's that?), and in any other appended
- directory, in this order.
- @return
- The file name if found, or empty string if not found. */
+Check absolute file name, search in the current dir (DUH! FIXME!),
+in the construction-arg (what's that?), and in any other appended
+directory, in this order.
+
+@return
+The file name if found, or empty string if not found. */
-String
-File_path::find (String name) const
+string
+File_path::find (const string &name) const
{
- if (!name.length () || (name == "-") )
+ if (!name.length () || (name == "-"))
return name;
- /* Handle absolute file name. */
- if (name[0] == DIRSEP)
- {
- if (FILE *f = fopen (name.to_str0 (), "r"))
- {
- fclose (f);
- return name;
- }
- }
-
- for (int i = 0; i < size (); i++)
- {
- String file_name = elem (i);
- String sep = ::to_string (DIRSEP);
- String right (file_name.right_string (1));
- if (file_name.length () && right != sep)
- file_name += ::to_string (DIRSEP);
-
- file_name += name;
-
-#if 0 /* Check if directory. TODO: encapsulate for autoconf */
- struct stat sbuf;
- if (stat (file_name.to_str0 (), &sbuf) != 0)
- continue;
-
- if (! (sbuf.st_mode & __S_IFREG))
- continue;
-#endif
-#if !STAT_MACROS_BROKEN
-
- struct stat sbuf;
- if (stat (file_name.to_str0 (), &sbuf) != 0)
- continue;
+#ifdef __MINGW32__
+ if (name.find ('\\') != NPOS)
+ programming_error ("file name not normalized: " + name);
+#endif /* __MINGW32__ */
- if (S_ISDIR (sbuf.st_mode))
- continue;
-#endif
+ /* Handle absolute file name. */
+ File_name file_name (name);
+ if (file_name.dir_[0] == DIRSEP && is_file (file_name.to_string ()))
+ return file_name.to_string ();
- /* ugh */
- FILE *f = fopen (file_name.to_str0 (), "r");
- if (f)
- {
- fclose (f);
- return file_name;
- }
+ for (vsize i = 0; i < dirs_.size (); i++)
+ {
+ File_name file_name (name);
+ File_name dir = (string) dirs_[i];
+ file_name.root_ = dir.root_;
+ dir.root_ = "";
+ if (file_name.dir_.empty ())
+ file_name.dir_ = dir.to_string ();
+ else if (!dir.to_string ().empty ())
+ file_name.dir_ = dir.to_string ()
+ + ::to_string (DIRSEP) + file_name.dir_;
+ if (is_file (file_name.to_string ()))
+ return file_name.to_string ();
}
return "";
}
-/** Find a file.
-
- Seach in the current dir (DUH! FIXME?), in the construction-arg
- (what's that?, and in any other appended directory, in this order.
+/*
+ Try to find
- Search for NAME, or name without extension, or name with any of
- EXTENSIONS, in that order.
+ file.EXT,
- @return
- The file name if found, or empty string if not found. */
-String
-File_path::find (String name, char const *extensions[])
+ where EXT is from EXTENSIONS.
+*/
+string
+File_path::find (const string &name, char const *extensions[])
{
+ if (name.empty () || name == "-")
+ return name;
+
File_name file_name (name);
- if (name.is_empty () || name == "-")
- file_name.base_ = "-";
- else
+ string orig_ext = file_name.ext_;
+ for (int i = 0; extensions[i]; i++)
{
- String orig_ext = file_name.ext_;
- for (int i = 0; extensions[i]; i++)
- {
- file_name.ext_ = orig_ext;
- if (*extensions[i] && !file_name.ext_.is_empty ())
- file_name.ext_ += ".";
- file_name.ext_ += extensions[i];
- if (!find (file_name.to_string ()).is_empty ())
- break;
- }
- /* Reshuffle extension */
- file_name = File_name (file_name.to_string ());
+ file_name.ext_ = orig_ext;
+ if (*extensions[i] && !file_name.ext_.empty ())
+ file_name.ext_ += ".";
+ file_name.ext_ += extensions[i];
+ string found = find (file_name.to_string ());
+ if (!found.empty ())
+ return found;
}
- return file_name.to_string ();
+
+ return "";
}
/** Append a directory, return false if failed. */
bool
-File_path::try_append (String s)
+File_path::try_append (string s)
{
if (s == "")
- s = ".";
- if (FILE *f = fopen (s.to_str0 (), "r"))
+ s = ".";
+ if (is_dir (s))
{
- fclose (f);
append (s);
return true;
}
return false;
}
-String
+string
File_path::to_string () const
{
- String s;
- int n = size ();
- for (int i = 0; i < n; i++)
+ string s;
+ for (vsize i = 0; i < dirs_.size (); i++)
{
- s = s + elem (i);
- if (i < n - 1)
- s += ":";
+ s = s + dirs_[i];
+ if (i < dirs_.size () - 1)
+ s += ::to_string (PATHSEP);
}
return s;
}
+
+void
+File_path::append (const string &str)
+{
+ dirs_.push_back (str);
+}
+
+void
+File_path::prepend (const string &str)
+{
+ dirs_.insert (dirs_.begin (), str);
+}
projects / lilypond.git / blobdiff