/*
- path.cc - manipulation of paths and filenames.
+ file-path.cc - implement File_path
+
+ source file of the Flower Library
+
+ (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Jan Nieuwenhuizen <janneke@gnu.org>
*/
-#include "config.h"
-#include <stdio.h>
-#include <errno.h>
-#include <limits.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
#ifdef __CYGWIN__
#include <sys/cygwin.h>
-
-// URGURG
-#include "../lily/include/scm-option.hh"
#endif
-#include "file-path.hh"
-
+#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
-
-#ifndef EXTSEP
-#define EXTSEP '.'
-#endif
-
-
-
-#ifdef __CYGWIN__
-static String
-dos_to_posix (String path)
+vector<string>
+File_path::directories () const
{
- char buf[PATH_MAX];
- char *filename = path.get_copy_str0 ();
- /* urg, wtf? char const* argument gets modified! */
- cygwin_conv_to_posix_path (filename, buf);
- delete filename;
- return buf;
+ return dirs_;
}
-static String
-dos_to_posix_list (String path)
+#include <algorithm>
+void
+File_path::parse_path (string p)
{
- char *filename = path.get_copy_str0 ();
- int len = cygwin_win32_to_posix_path_list_buf_size (filename);
- if (len < PATH_MAX)
- len = PATH_MAX;
- char *buf = new char[len];
- /* urg, wtf? char const* argument gets modified! */
- cygwin_win32_to_posix_path_list (filename, buf);
- delete filename;
-
- String ret = buf;
- delete buf;
- return ret;
+ concat (dirs_, string_split (p, PATHSEP));
}
-#endif /* __CYGWIN__ */
-/* Join components to full path. */
-String
-Path::string () const
+bool
+is_file (string file_name)
{
- String s;
- if (!root.empty_b ())
- s = root + to_string (ROOTSEP);
- if (!dir.empty_b ())
- s += dir + to_string (DIRSEP);
- s += base;
- if (!ext.empty_b ())
- s += to_string (EXTSEP) + ext;
- return s;
-}
+#if !STAT_MACROS_BROKEN
+ struct stat sbuf;
+ if (stat (file_name.c_str (), &sbuf) != 0)
+ return false;
-/**
- @param path the original full filename
- @return 4 components of the path. They can be empty
-*/
-Path
-split_path (String path)
-{
-#ifdef __CYGWIN__
- /* All system functions would work, even if we don't convert to
- posix path, but we'd think that \foe\bar\baz.ly is in the cwd.
- On by default. */
- if (!(testing_level_global & 1))
- path = dos_to_posix (path);
+ return !S_ISDIR (sbuf.st_mode);
#endif
- Path p;
- int i = path.index (ROOTSEP);
- if (i >= 0)
- {
- p.root = path.left_string (i);
- path = path.right_string (path.length () - i - 1);
- }
-
- i = path.index_last (DIRSEP);
- if (i >= 0)
+ if (FILE *f = fopen (file_name.c_str (), "r"))
{
- p.dir = path.left_string (i);
- path = path.right_string (path.length () - i - 1);
+ fclose (f);
+ return true;
}
- i = path.index_last ('.');
- if (i >= 0)
- {
- p.base = path.left_string (i);
- p.ext = path.right_string (path.length () - i - 1);
- }
- else
- p.base = path;
- return p;
+ return false;
}
-void
-File_path::parse_path (String p)
+bool
+is_dir (string file_name)
{
-#ifdef __CYGWIN__
- if (testing_level_global & 4)
- p = dos_to_posix_list (p);
+ /*
+ 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
- int l;
-
- while ((l = p.length ()) )
+ if (FILE *f = fopen (file_name.c_str (), "r"))
{
- int i = p.index (PATHSEP);
- if (i <0)
- i = l;
- add (p.left_string (i));
- p = p.right_string (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 (string name) const
{
- if (!nm.length () || (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_string (DIRSEP);
- String right (path.right_string (1));
- if (path.length () && right != sep)
- path += to_string (DIRSEP);
-
- path += nm;
-
-
-#if 0
- /*
- Check if directory. TODO: encapsulate for autoconf
- */
- struct stat sbuf;
- if (stat (path.to_str0 (), &sbuf) != 0)
- continue;
-
- if (! (sbuf.st_mode & __S_IFREG))
- continue;
-#endif
-#if !STAT_MACROS_BROKEN
-
- struct stat sbuf;
- if (stat (path.to_str0 (), &sbuf) != 0)
- continue;
+ 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 "";
+}
- if (S_ISDIR (sbuf.st_mode))
- continue;
-#endif
+/*
+ Try to find
- FILE *f = fopen (path.to_str0 (), "r"); // ugh!
- if (f)
- {
- fclose (f);
- return path;
- }
+ file.EXT,
+
+ where EXT is from EXTENSIONS.
+*/
+string
+File_path::find (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;
}
+
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.to_str0 (), "r");
- if (!f)
- return false;
- fclose (f);
-
- add (s);
- return true;
+ s = ".";
+ if (is_dir (s))
+ {
+ append (s);
+ return true;
+ }
+ return false;
}
-void
-File_path::add (String s)
+string
+File_path::to_string () const
{
-#ifdef __CYGWIN__
- if (testing_level_global & 2)
- s = dos_to_posix (s);
-#endif
+ 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;
+}
- push (s);
+void
+File_path::append (string str)
+{
+ dirs_.push_back (str);
}
-String
-File_path::string () const
+void
+File_path::prepend (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);
}
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