/*
- path.cc - manipulation of paths and filenames.
+ 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 "config.h"
-#include <stdio.h>
-#include <errno.h>
+#include "file-path.hh"
-#if HAVE_SYS_STAT_H
+#include <cstdio>
+#include <cerrno>
+
+#include "config.hh"
+#if HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
-#include "file-path.hh"
-#include "flower-debug.hh"
+#ifdef __CYGWIN__
+#include <sys/cygwin.h>
+#endif
+
+#include "file-name.hh"
+#include "warn.hh"
#ifndef PATHSEP
#define PATHSEP ':'
#endif
-/* We don't have multiple roots, set this to '\0'? */
-#ifndef ROOTSEP
-#define ROOTSEP ':'
-#endif
-
-#ifndef DIRSEP
-#define DIRSEP '/'
-#endif
+#include <algorithm>
-#ifndef EXTSEP
-#define EXTSEP '.'
-#endif
+vector<string>
+File_path::directories () const
+{
+ return dirs_;
+}
-/* Join components to full path. */
-String
-Path::str () const
+void
+File_path::parse_path (const string &p)
{
- String s;
- if (!root.empty_b ())
- s = root + to_str (ROOTSEP);
- if (!dir.empty_b ())
- s += dir + to_str (DIRSEP);
- s += base;
- if (!ext.empty_b ())
- s += to_str (EXTSEP) + ext;
- return s;
+ concat (dirs_, string_split (p, PATHSEP));
}
-/**
- @param path the original full filename
- @return 4 components of the path. They can be empty
-*/
-Path
-split_path (String path)
+bool
+is_file (const string &file_name)
{
- Path p;
- int i = path.index_i (ROOTSEP);
- if (i >= 0)
- {
- p.root = path.left_str (i);
- path = path.right_str (path.length_i () - i - 1);
- }
+#if !STAT_MACROS_BROKEN
+ struct stat sbuf;
+ if (stat (file_name.c_str (), &sbuf) != 0)
+ return false;
- i = path.index_last_i (DIRSEP);
- if (i >= 0)
- {
- p.dir = path.left_str (i);
- path = path.right_str (path.length_i () - i - 1);
- }
+ return !S_ISDIR (sbuf.st_mode);
+#endif
- i = path.index_last_i ('.');
- if (i >= 0)
+ if (FILE *f = fopen (file_name.c_str (), "r"))
{
- p.base = path.left_str (i);
- p.ext = path.right_str (path.length_i () - i - 1);
+ fclose (f);
+ return true;
}
- else
- p.base = path;
- return p;
+
+ return false;
}
-void
-File_path::parse_path (String p)
+bool
+is_dir (string file_name)
{
- int l;
-
- while ( (l = p.length_i ()) )
+ /*
+ 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"))
{
- int i = p.index_i(PATHSEP);
- if (i <0)
- i = l;
- add (p.left_str(i));
- p = p.right_str (l- i - 1);
+ 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. */
-/** Find a file.
- It will search in the current dir, in the construction-arg, and
- in any other added path, in this order.
-
- @return
- The full path if found, or empty string if not found
- */
-String
-File_path::find (String nm) const
+string
+File_path::find (const string &name) const
{
- DEBUG_OUT << "looking for" << nm << ": ";
- if (!nm.length_i() || (nm == "-") )
- return nm;
- for (int i=0; i < size(); i++)
+ if (!name.length () || (name == "-"))
+ return name;
+
+#ifdef __MINGW32__
+ if (name.find ('\\') != NPOS)
+ programming_error ("file name not normalized: " + name);
+#endif /* __MINGW32__ */
+
+ /* 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 ();
+
+ for (vsize i = 0; i < dirs_.size (); i++)
{
- String path = elem(i);
- String sep = to_str (DIRSEP);
- String right(path.right_str (1));
- if (path.length_i () && right != sep)
- path += to_str (DIRSEP);
-
- path += nm;
-
- DEBUG_OUT << path << "? ";
-
-#if 0
- /*
- Check if directory. TODO: encapsulate for autoconf
- */
- struct stat sbuf;
- if (stat (path.ch_C(), &sbuf) == ENOENT)
- continue;
-
- if (!(sbuf.st_mode & __S_IFREG))
- continue;
-#endif
-#if !STAT_MACROS_BROKEN
- struct stat sbuf;
- if (stat (path.ch_C (), &sbuf) == ENOENT)
- continue;
-
- if (S_ISDIR (sbuf.st_mode))
- continue;
-#endif
+ 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 "";
+}
+
+/*
+ Try to find
+
+ file.EXT,
- FILE *f = fopen (path.ch_C(), "r"); // ugh!
- if (f)
- {
- DEBUG_OUT << "found\n";
- fclose (f);
- return path;
- }
+ 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);
+ string orig_ext = file_name.ext_;
+ for (int i = 0; extensions[i]; i++)
+ {
+ 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;
}
- DEBUG_OUT << '\n';
+
return "";
}
-/**
- Add a directory, return false if failed
- */
+/** Append a directory, return false if failed. */
bool
-File_path::try_add (String s)
+File_path::try_append (string s)
{
if (s == "")
- s = ".";
- FILE * f = fopen (s.ch_C(), "r");
- if (!f)
- return false;
- fclose (f);
-
- push (s);
- return true;
+ s = ".";
+ if (is_dir (s))
+ {
+ append (s);
+ return true;
+ }
+ return false;
+}
+
+string
+File_path::to_string () const
+{
+ string s;
+ for (vsize i = 0; i < dirs_.size (); i++)
+ {
+ s = s + dirs_[i];
+ if (i < dirs_.size () - 1)
+ s += ::to_string (PATHSEP);
+ }
+ return s;
}
void
-File_path::add (String s)
+File_path::append (const string &str)
{
- push (s);
+ dirs_.push_back (str);
}
-String
-File_path::str () const
+void
+File_path::prepend (const string &str)
{
- String s;
- for (int i=0; i< size (); i++)
- {
- s = s + elem (i);
- if (i < size () -1 )
- s += ":";
- }
- return s;
+ dirs_.insert (dirs_.begin (), str);
}
projects / lilypond.git / blobdiff