зеркало из https://github.com/github/ruby.git
1117 строки
21 KiB
C
1117 строки
21 KiB
C
/**********************************************************************
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dir.c -
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$Author$
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$Date$
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created at: Wed Jan 5 09:51:01 JST 1994
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Copyright (C) 1993-2002 Yukihiro Matsumoto
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Copyright (C) 2000 Network Applied Communication Laboratory, Inc.
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Copyright (C) 2000 Information-technology Promotion Agency, Japan
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**********************************************************************/
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#include "ruby.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef HAVE_SYS_PARAM_H
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# include <sys/param.h>
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#else
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# define MAXPATHLEN 1024
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#if defined HAVE_DIRENT_H && !defined NT
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# include <dirent.h>
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# define NAMLEN(dirent) strlen((dirent)->d_name)
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#elif defined HAVE_DIRECT_H && !defined NT
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# include <direct.h>
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# define NAMLEN(dirent) strlen((dirent)->d_name)
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#else
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# define dirent direct
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# define NAMLEN(dirent) (dirent)->d_namlen
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# if HAVE_SYS_NDIR_H
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# include <sys/ndir.h>
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# endif
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# if HAVE_SYS_DIR_H
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# include <sys/dir.h>
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# endif
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# if HAVE_NDIR_H
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# include <ndir.h>
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# endif
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# if defined(NT)
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# include "win32/dir.h"
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# endif
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#endif
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#include <errno.h>
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#ifndef HAVE_STDLIB_H
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char *getenv();
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#endif
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#ifndef HAVE_STRING_H
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char *strchr _((char*,char));
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#endif
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#include <ctype.h>
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#include "util.h"
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#ifndef HAVE_LSTAT
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#define lstat(path,st) stat(path,st)
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#endif
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#define FNM_NOESCAPE 0x01
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#define FNM_PATHNAME 0x02
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#define FNM_DOTMATCH 0x04
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#define FNM_CASEFOLD 0x08
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#define FNM_NOMATCH 1
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#define FNM_ERROR 2
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#define downcase(c) (nocase && ISUPPER(c) ? tolower(c) : (c))
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#ifndef CharNext /* defined as CharNext[AW] on Windows. */
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# if defined(DJGPP)
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# define CharNext(p) ((p) + mblen(p, MB_CUR_MAX))
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# else
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# define CharNext(p) ((p) + 1)
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# endif
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#endif
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#if defined DOSISH
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#define isdirsep(c) ((c) == '/' || (c) == '\\')
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static char *
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find_dirsep(s)
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char *s;
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{
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while (*s) {
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if (isdirsep(*s))
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return s;
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s = CharNext(s);
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}
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return 0;
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}
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#else
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#define isdirsep(c) ((c) == '/')
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#define find_dirsep(s) strchr(s, '/')
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#endif
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static char *
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range(pat, test, flags)
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char *pat;
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char test;
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int flags;
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{
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int not, ok = 0;
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int nocase = flags & FNM_CASEFOLD;
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int escape = !(flags & FNM_NOESCAPE);
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not = *pat == '!' || *pat == '^';
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if (not)
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pat++;
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test = downcase(test);
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while (*pat) {
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int cstart, cend;
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cstart = cend = *pat++;
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if (cstart == ']')
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return ok == not ? 0 : pat;
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else if (escape && cstart == '\\')
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cstart = cend = *pat++;
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if (*pat == '-' && pat[1] != ']') {
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if (escape && pat[1] == '\\')
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pat++;
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cend = pat[1];
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if (!cend)
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return 0;
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pat += 2;
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}
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if (downcase(cstart) <= test && test <= downcase(cend))
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ok = 1;
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}
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return 0;
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}
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#define ISDIRSEP(c) (pathname && isdirsep(c))
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#define PERIOD(s) (period && *(s) == '.' && \
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((s) == string || ISDIRSEP((s)[-1])))
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static int
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fnmatch(pat, string, flags)
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const char *pat;
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const char *string;
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int flags;
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{
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int c;
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int test;
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const char *s = string;
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int escape = !(flags & FNM_NOESCAPE);
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int pathname = flags & FNM_PATHNAME;
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int period = !(flags & FNM_DOTMATCH);
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int nocase = flags & FNM_CASEFOLD;
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while (c = *pat++) {
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switch (c) {
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case '?':
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if (!*s || ISDIRSEP(*s) || PERIOD(s))
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return FNM_NOMATCH;
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s++;
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break;
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case '*':
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while ((c = *pat++) == '*')
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;
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if (PERIOD(s))
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return FNM_NOMATCH;
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if (!c) {
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if (pathname && find_dirsep(s))
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return FNM_NOMATCH;
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else
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return 0;
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}
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else if (ISDIRSEP(c)) {
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s = find_dirsep(s);
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if (s) {
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s++;
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break;
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}
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return FNM_NOMATCH;
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}
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test = escape && c == '\\' ? *pat : c;
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test = downcase(test);
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pat--;
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while (*s) {
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if ((c == '[' || downcase(*s) == test) &&
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!fnmatch(pat, s, flags | FNM_DOTMATCH))
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return 0;
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else if (ISDIRSEP(*s))
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break;
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s++;
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}
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return FNM_NOMATCH;
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case '[':
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if (!*s || ISDIRSEP(*s) || PERIOD(s))
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return FNM_NOMATCH;
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pat = range(pat, *s, flags);
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if (!pat)
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return FNM_NOMATCH;
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s++;
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break;
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case '\\':
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if (escape
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#if defined DOSISH
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&& *pat && strchr("*?[\\", *pat)
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#endif
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) {
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c = *pat;
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if (!c)
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c = '\\';
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else
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pat++;
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}
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/* FALLTHROUGH */
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default:
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#if defined DOSISH
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if (ISDIRSEP(c) && isdirsep(*s))
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;
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else
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#endif
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if(downcase(c) != downcase(*s))
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return FNM_NOMATCH;
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s++;
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break;
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}
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}
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return !*s ? 0 : FNM_NOMATCH;
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}
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VALUE rb_cDir;
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struct dir_data {
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DIR *dir;
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char *path;
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};
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static void
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free_dir(dir)
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struct dir_data *dir;
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{
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if (dir && dir->dir) closedir(dir->dir);
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}
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static VALUE dir_close _((VALUE));
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static VALUE
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dir_s_alloc(klass)
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VALUE klass;
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{
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struct dir_data *dirp;
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VALUE obj = Data_Make_Struct(klass, struct dir_data, 0, free_dir, dirp);
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dirp->dir = NULL;
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dirp->path = NULL;
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return obj;
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}
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static VALUE
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dir_initialize(dir, dirname)
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VALUE dir, dirname;
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{
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struct dir_data *dp;
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SafeStringValue(dirname);
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Data_Get_Struct(dir, struct dir_data, dp);
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if (dp->dir) closedir(dp->dir);
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if (dp->path) free(dp->path);
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dp->dir = NULL;
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dp->path = NULL;
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dp->dir = opendir(RSTRING(dirname)->ptr);
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if (dp->dir == NULL) {
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if (errno == EMFILE || errno == ENFILE) {
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rb_gc();
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dp->dir = opendir(RSTRING(dirname)->ptr);
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}
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if (dp->dir == NULL) {
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rb_sys_fail(RSTRING(dirname)->ptr);
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}
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}
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dp->path = strdup(RSTRING(dirname)->ptr);
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return dir;
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}
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static VALUE
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dir_s_open(klass, dirname)
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VALUE klass, dirname;
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{
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struct dir_data *dp;
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VALUE dir = Data_Make_Struct(klass, struct dir_data, 0, free_dir, dp);
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dir_initialize(dir, dirname);
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if (rb_block_given_p()) {
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return rb_ensure(rb_yield, dir, dir_close, dir);
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}
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return dir;
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}
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static void
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dir_closed()
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{
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rb_raise(rb_eIOError, "closed directory");
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}
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#define GetDIR(obj, dirp) do {\
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Data_Get_Struct(obj, struct dir_data, dirp);\
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if (dirp->dir == NULL) dir_closed();\
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} while (0)
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static VALUE
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dir_path(dir)
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VALUE dir;
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{
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struct dir_data *dirp;
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GetDIR(dir, dirp);
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if (!dirp->path) return Qnil;
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return rb_str_new2(dirp->path);
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}
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static VALUE
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dir_read(dir)
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VALUE dir;
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{
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struct dir_data *dirp;
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struct dirent *dp;
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GetDIR(dir, dirp);
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errno = 0;
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dp = readdir(dirp->dir);
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if (dp) {
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return rb_tainted_str_new(dp->d_name, NAMLEN(dp));
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}
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else if (errno == 0) { /* end of stream */
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return Qnil;
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}
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else {
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rb_sys_fail(0);
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}
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return Qnil; /* not reached */
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}
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static VALUE
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dir_each(dir)
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VALUE dir;
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{
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struct dir_data *dirp;
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struct dirent *dp;
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GetDIR(dir, dirp);
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for (dp = readdir(dirp->dir); dp != NULL; dp = readdir(dirp->dir)) {
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rb_yield(rb_tainted_str_new(dp->d_name, NAMLEN(dp)));
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if (dirp->dir == NULL) dir_closed();
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}
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return dir;
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}
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static VALUE
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dir_tell(dir)
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VALUE dir;
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{
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#ifdef HAVE_TELLDIR
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struct dir_data *dirp;
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long pos;
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GetDIR(dir, dirp);
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pos = telldir(dirp->dir);
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return rb_int2inum(pos);
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#else
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rb_notimplement();
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#endif
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}
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static VALUE
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dir_seek(dir, pos)
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VALUE dir, pos;
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{
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struct dir_data *dirp;
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#ifdef HAVE_SEEKDIR
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GetDIR(dir, dirp);
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seekdir(dirp->dir, NUM2INT(pos));
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return dir;
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#else
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rb_notimplement();
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#endif
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}
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static VALUE
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dir_set_pos(dir, pos)
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VALUE dir, pos;
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{
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dir_seek(dir, pos);
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return pos;
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}
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static VALUE
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dir_rewind(dir)
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VALUE dir;
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{
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struct dir_data *dirp;
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GetDIR(dir, dirp);
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rewinddir(dirp->dir);
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return dir;
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}
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static VALUE
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dir_close(dir)
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VALUE dir;
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{
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struct dir_data *dirp;
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GetDIR(dir, dirp);
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closedir(dirp->dir);
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dirp->dir = NULL;
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return Qnil;
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}
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static void
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dir_chdir(path)
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const char *path;
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{
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if (chdir(path) < 0)
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rb_sys_fail(path);
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}
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static int chdir_blocking = 0;
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static VALUE chdir_thread = Qnil;
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static VALUE
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chdir_restore(path)
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char *path;
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{
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chdir_blocking--;
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if (chdir_blocking == 0)
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chdir_thread = Qnil;
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dir_chdir(path);
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free(path);
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return Qnil;
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}
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static VALUE
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dir_s_chdir(argc, argv, obj)
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int argc;
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VALUE *argv;
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VALUE obj;
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{
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VALUE path = Qnil;
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char *dist = "";
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rb_secure(2);
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if (rb_scan_args(argc, argv, "01", &path) == 1) {
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SafeStringValue(path);
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dist = RSTRING(path)->ptr;
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}
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else {
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dist = getenv("HOME");
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if (!dist) {
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dist = getenv("LOGDIR");
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if (!dist) rb_raise(rb_eArgError, "HOME/LOGDIR not set");
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}
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}
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if (chdir_blocking > 0) {
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if (!rb_block_given_p() || rb_thread_current() != chdir_thread)
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rb_warn("conflicting chdir during another chdir block");
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}
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if (rb_block_given_p()) {
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char *cwd = my_getcwd();
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chdir_blocking++;
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if (chdir_thread == Qnil)
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chdir_thread = rb_thread_current();
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dir_chdir(dist);
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return rb_ensure(rb_yield, path, chdir_restore, (VALUE)cwd);
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}
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dir_chdir(dist);
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return INT2FIX(0);
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}
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static VALUE
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dir_s_getwd(dir)
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VALUE dir;
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{
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char *path = my_getcwd();
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VALUE cwd = rb_tainted_str_new2(path);
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free(path);
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return cwd;
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}
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static VALUE
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dir_s_chroot(dir, path)
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VALUE dir, path;
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{
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#if defined(HAVE_CHROOT) && !defined(__CHECKER__)
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rb_secure(2);
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SafeStringValue(path);
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if (chroot(RSTRING(path)->ptr) == -1)
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rb_sys_fail(RSTRING(path)->ptr);
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return INT2FIX(0);
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#else
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rb_notimplement();
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return Qnil; /* not reached */
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#endif
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}
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static VALUE
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dir_s_mkdir(argc, argv, obj)
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int argc;
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VALUE *argv;
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VALUE obj;
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{
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VALUE path, vmode;
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int mode;
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if (rb_scan_args(argc, argv, "11", &path, &vmode) == 2) {
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mode = NUM2INT(vmode);
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}
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else {
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mode = 0777;
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}
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SafeStringValue(path);
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rb_secure(2);
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#if !defined(NT)
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if (mkdir(RSTRING(path)->ptr, mode) == -1)
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rb_sys_fail(RSTRING(path)->ptr);
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#else
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if (mkdir(RSTRING(path)->ptr) == -1)
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rb_sys_fail(RSTRING(path)->ptr);
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#endif
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return INT2FIX(0);
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}
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static VALUE
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dir_s_rmdir(obj, dir)
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VALUE obj, dir;
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{
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SafeStringValue(dir);
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rb_secure(2);
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if (rmdir(RSTRING(dir)->ptr) < 0)
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rb_sys_fail(RSTRING(dir)->ptr);
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return INT2FIX(0);
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}
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/* Return nonzero if S has any special globbing chars in it. */
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static int
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has_magic(s, send, flags)
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char *s, *send;
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int flags;
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{
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register char *p = s;
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register char c;
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int open = 0;
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int escape = !(flags & FNM_NOESCAPE);
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while ((c = *p++) != '\0') {
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switch (c) {
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case '?':
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case '*':
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return Qtrue;
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case '[': /* Only accept an open brace if there is a close */
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open++; /* brace to match it. Bracket expressions must be */
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continue; /* complete, according to Posix.2 */
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case ']':
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if (open)
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return Qtrue;
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continue;
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case '\\':
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if (escape && *p++ == '\0')
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return Qfalse;
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}
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if (send && p >= send) break;
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}
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return Qfalse;
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}
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static char*
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extract_path(p, pend)
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char *p, *pend;
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{
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char *alloc;
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int len;
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len = pend - p;
|
|
alloc = ALLOC_N(char, len+1);
|
|
memcpy(alloc, p, len);
|
|
if (len > 1 && pend[-1] == '/'
|
|
#if defined DOSISH
|
|
&& pend[-2] != ':'
|
|
#endif
|
|
) {
|
|
alloc[len-1] = 0;
|
|
}
|
|
else {
|
|
alloc[len] = 0;
|
|
}
|
|
|
|
return alloc;
|
|
}
|
|
|
|
static char*
|
|
extract_elem(path)
|
|
char *path;
|
|
{
|
|
char *pend;
|
|
|
|
pend = strchr(path, '/');
|
|
if (!pend) pend = path + strlen(path);
|
|
|
|
return extract_path(path, pend);
|
|
}
|
|
|
|
static void
|
|
remove_backslashes(p)
|
|
char *p;
|
|
{
|
|
char *pend = p + strlen(p);
|
|
char *t = p;
|
|
|
|
while (p < pend) {
|
|
if (*p == '\\') {
|
|
if (++p == pend) break;
|
|
}
|
|
*t++ = *p++;
|
|
}
|
|
*t = '\0';
|
|
}
|
|
|
|
#ifndef S_ISDIR
|
|
# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
|
|
#endif
|
|
|
|
struct glob_args {
|
|
void (*func) _((const char*, VALUE));
|
|
const char *c;
|
|
VALUE v;
|
|
};
|
|
|
|
static VALUE glob_func_caller _((VALUE));
|
|
|
|
static VALUE
|
|
glob_func_caller(val)
|
|
VALUE val;
|
|
{
|
|
struct glob_args *args = (struct glob_args *)val;
|
|
(*args->func)(args->c, args->v);
|
|
return Qnil;
|
|
}
|
|
|
|
static int
|
|
glob_call_func(func, path, arg)
|
|
void (*func) _((const char*, VALUE));
|
|
const char *path;
|
|
VALUE arg;
|
|
{
|
|
int status;
|
|
struct glob_args args;
|
|
|
|
args.func = func;
|
|
args.c = path;
|
|
args.v = arg;
|
|
|
|
rb_protect(glob_func_caller, (VALUE)&args, &status);
|
|
return status;
|
|
}
|
|
|
|
static int
|
|
glob_helper(path, sub, flags, func, arg)
|
|
char *path;
|
|
char *sub;
|
|
int flags;
|
|
void (*func) _((const char*, VALUE));
|
|
VALUE arg;
|
|
{
|
|
struct stat st;
|
|
char *p, *m;
|
|
int status = 0;
|
|
|
|
p = sub ? sub : path;
|
|
if (!has_magic(p, 0, flags)) {
|
|
#if defined DOSISH
|
|
remove_backslashes(path);
|
|
#else
|
|
if (!(flags & FNM_NOESCAPE)) remove_backslashes(p);
|
|
#endif
|
|
if (lstat(path, &st) == 0) {
|
|
status = glob_call_func(func, path, arg);
|
|
if (status) return status;
|
|
}
|
|
else if (errno != ENOENT) {
|
|
/* In case stat error is other than ENOENT and
|
|
we may want to know what is wrong. */
|
|
rb_sys_warning(path);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
while (p && !status) {
|
|
if (*p == '/') p++;
|
|
m = strchr(p, '/');
|
|
if (has_magic(p, m, flags)) {
|
|
char *dir, *base, *magic, *buf;
|
|
DIR *dirp;
|
|
struct dirent *dp;
|
|
int recursive = 0;
|
|
|
|
struct d_link {
|
|
char *path;
|
|
struct d_link *next;
|
|
} *tmp, *link = 0;
|
|
|
|
base = extract_path(path, p);
|
|
if (path == p) dir = ".";
|
|
else dir = base;
|
|
|
|
magic = extract_elem(p);
|
|
if (stat(dir, &st) < 0) {
|
|
if (errno != ENOENT) rb_sys_warning(dir);
|
|
free(base);
|
|
free(magic);
|
|
break;
|
|
}
|
|
if (S_ISDIR(st.st_mode)) {
|
|
if (m && strcmp(magic, "**") == 0) {
|
|
int n = strlen(base);
|
|
recursive = 1;
|
|
buf = ALLOC_N(char, n+strlen(m)+3);
|
|
sprintf(buf, "%s%s", base, *base ? m : m+1);
|
|
status = glob_helper(buf, buf+n, flags, func, arg);
|
|
free(buf);
|
|
if (status) goto finalize;
|
|
}
|
|
dirp = opendir(dir);
|
|
if (dirp == NULL) {
|
|
rb_sys_warning(dir);
|
|
free(base);
|
|
free(magic);
|
|
break;
|
|
}
|
|
}
|
|
else {
|
|
free(base);
|
|
free(magic);
|
|
break;
|
|
}
|
|
|
|
#if defined DOSISH
|
|
#define BASE (*base && !((isdirsep(*base) && !base[1]) || (base[1] == ':' && isdirsep(base[2]) && !base[3])))
|
|
#else
|
|
#define BASE (*base && !(*base == '/' && !base[1]))
|
|
#endif
|
|
|
|
for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) {
|
|
if (recursive) {
|
|
if (strcmp(".", dp->d_name) == 0 || strcmp("..", dp->d_name) == 0)
|
|
continue;
|
|
buf = ALLOC_N(char, strlen(base)+NAMLEN(dp)+strlen(m)+6);
|
|
sprintf(buf, "%s%s%s", base, (BASE) ? "/" : "", dp->d_name);
|
|
if (lstat(buf, &st) < 0) {
|
|
if (errno != ENOENT) rb_sys_warning(buf);
|
|
continue;
|
|
}
|
|
if (S_ISDIR(st.st_mode)) {
|
|
char *t = buf+strlen(buf);
|
|
strcpy(t, "/**");
|
|
strcpy(t+3, m);
|
|
status = glob_helper(buf, t, flags, func, arg);
|
|
free(buf);
|
|
if (status) break;
|
|
continue;
|
|
}
|
|
free(buf);
|
|
continue;
|
|
}
|
|
if (fnmatch(magic, dp->d_name, flags) == 0) {
|
|
buf = ALLOC_N(char, strlen(base)+NAMLEN(dp)+2);
|
|
sprintf(buf, "%s%s%s", base, (BASE) ? "/" : "", dp->d_name);
|
|
if (!m) {
|
|
status = glob_call_func(func, buf, arg);
|
|
free(buf);
|
|
if (status) break;
|
|
continue;
|
|
}
|
|
tmp = ALLOC(struct d_link);
|
|
tmp->path = buf;
|
|
tmp->next = link;
|
|
link = tmp;
|
|
}
|
|
}
|
|
closedir(dirp);
|
|
finalize:
|
|
free(base);
|
|
free(magic);
|
|
if (link) {
|
|
while (link) {
|
|
if (status == 0) {
|
|
if (stat(link->path, &st) == 0) {
|
|
if (S_ISDIR(st.st_mode)) {
|
|
int len = strlen(link->path);
|
|
int mlen = strlen(m);
|
|
char *t = ALLOC_N(char, len+mlen+1);
|
|
|
|
sprintf(t, "%s%s", link->path, m);
|
|
status = glob_helper(t, t+len, flags, func, arg);
|
|
free(t);
|
|
}
|
|
}
|
|
else {
|
|
rb_sys_warning(link->path);
|
|
}
|
|
}
|
|
tmp = link;
|
|
link = link->next;
|
|
free(tmp->path);
|
|
free(tmp);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
p = m;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
static void
|
|
rb_glob2(path, flags, func, arg)
|
|
char *path;
|
|
int flags;
|
|
void (*func) _((const char*, VALUE));
|
|
VALUE arg;
|
|
{
|
|
int status = glob_helper(path, 0, flags, func, arg);
|
|
if (status) rb_jump_tag(status);
|
|
}
|
|
|
|
void
|
|
rb_glob(path, func, arg)
|
|
char *path;
|
|
void (*func) _((const char*, VALUE));
|
|
VALUE arg;
|
|
{
|
|
rb_glob2(path, 0, func, arg);
|
|
}
|
|
|
|
void
|
|
rb_globi(path, func, arg)
|
|
char *path;
|
|
void (*func) _((const char*, VALUE));
|
|
VALUE arg;
|
|
{
|
|
rb_glob2(path, FNM_CASEFOLD, func, arg);
|
|
}
|
|
|
|
static void
|
|
push_pattern(path, ary)
|
|
const char *path;
|
|
VALUE ary;
|
|
{
|
|
VALUE str = rb_tainted_str_new2(path);
|
|
|
|
if (ary) {
|
|
rb_ary_push(ary, str);
|
|
}
|
|
else {
|
|
rb_yield(str);
|
|
}
|
|
}
|
|
|
|
static void
|
|
push_globs(ary, s, flags)
|
|
VALUE ary;
|
|
char *s;
|
|
int flags;
|
|
{
|
|
rb_glob2(s, flags, push_pattern, ary);
|
|
}
|
|
|
|
static void
|
|
push_braces(ary, s, flags)
|
|
VALUE ary;
|
|
char *s;
|
|
int flags;
|
|
{
|
|
char *buf;
|
|
char *p, *t, *b;
|
|
char *lbrace, *rbrace;
|
|
int nest = 0;
|
|
|
|
p = s;
|
|
lbrace = rbrace = 0;
|
|
while (*p) {
|
|
if (*p == '{') {
|
|
lbrace = p;
|
|
break;
|
|
}
|
|
p++;
|
|
}
|
|
while (*p) {
|
|
if (*p == '{') nest++;
|
|
if (*p == '}' && --nest == 0) {
|
|
rbrace = p;
|
|
break;
|
|
}
|
|
p++;
|
|
}
|
|
|
|
if (lbrace) {
|
|
int len = strlen(s);
|
|
buf = xmalloc(len + 1);
|
|
memcpy(buf, s, lbrace-s);
|
|
b = buf + (lbrace-s);
|
|
p = lbrace;
|
|
while (*p != '}') {
|
|
t = p + 1;
|
|
for (p = t; *p!='}' && *p!=','; p++) {
|
|
/* skip inner braces */
|
|
if (*p == '{') while (*p!='}') p++;
|
|
}
|
|
memcpy(b, t, p-t);
|
|
strcpy(b+(p-t), rbrace+1);
|
|
push_braces(ary, buf, flags);
|
|
}
|
|
free(buf);
|
|
}
|
|
else {
|
|
push_globs(ary, s, flags);
|
|
}
|
|
}
|
|
|
|
#define isdelim(c) ((c)=='\0')
|
|
|
|
static VALUE
|
|
rb_push_glob(str, flags)
|
|
VALUE str;
|
|
int flags;
|
|
{
|
|
char *p, *pend;
|
|
char *buf;
|
|
char *t;
|
|
int nest, maxnest;
|
|
int noescape = flags & FNM_NOESCAPE;
|
|
VALUE ary;
|
|
|
|
if (rb_block_given_p())
|
|
ary = 0;
|
|
else
|
|
ary = rb_ary_new();
|
|
|
|
SafeStringValue(str);
|
|
buf = xmalloc(RSTRING(str)->len + 1);
|
|
|
|
p = RSTRING(str)->ptr;
|
|
pend = p + RSTRING(str)->len;
|
|
|
|
while (p < pend) {
|
|
t = buf;
|
|
nest = maxnest = 0;
|
|
while (p < pend && isdelim(*p)) p++;
|
|
while (p < pend && !isdelim(*p)) {
|
|
if (*p == '{') nest++, maxnest++;
|
|
if (*p == '}') nest--;
|
|
if (!noescape && *p == '\\') {
|
|
*t++ = *p++;
|
|
if (p == pend) break;
|
|
}
|
|
*t++ = *p++;
|
|
}
|
|
*t = '\0';
|
|
if (maxnest == 0) {
|
|
push_globs(ary, buf, flags);
|
|
}
|
|
else if (nest == 0) {
|
|
push_braces(ary, buf, flags);
|
|
}
|
|
/* else unmatched braces */
|
|
}
|
|
free(buf);
|
|
|
|
return ary;
|
|
}
|
|
|
|
static VALUE
|
|
dir_s_aref(obj, str)
|
|
VALUE obj, str;
|
|
{
|
|
return rb_push_glob(str, 0);
|
|
}
|
|
|
|
static VALUE
|
|
dir_s_glob(argc, argv, obj)
|
|
int argc;
|
|
VALUE *argv;
|
|
VALUE obj;
|
|
{
|
|
VALUE str, rflags;
|
|
int flags;
|
|
|
|
if (rb_scan_args(argc, argv, "11", &str, &rflags) == 2)
|
|
flags = NUM2INT(rflags);
|
|
else
|
|
flags = 0;
|
|
|
|
return rb_push_glob(str, flags);
|
|
}
|
|
|
|
static VALUE
|
|
dir_foreach(io, dirname)
|
|
VALUE io, dirname;
|
|
{
|
|
VALUE dir;
|
|
|
|
dir = rb_funcall(rb_cDir, rb_intern("open"), 1, dirname);
|
|
rb_ensure(dir_each, dir, dir_close, dir);
|
|
return Qnil;
|
|
}
|
|
|
|
static VALUE
|
|
dir_entries(io, dirname)
|
|
VALUE io, dirname;
|
|
{
|
|
VALUE dir;
|
|
|
|
dir = rb_funcall(rb_cDir, rb_intern("open"), 1, dirname);
|
|
return rb_ensure(rb_Array, dir, dir_close, dir);
|
|
}
|
|
|
|
static VALUE
|
|
file_s_fnmatch(argc, argv, obj)
|
|
int argc;
|
|
VALUE *argv;
|
|
VALUE obj;
|
|
{
|
|
VALUE pattern, path;
|
|
VALUE rflags;
|
|
int flags;
|
|
|
|
if (rb_scan_args(argc, argv, "21", &pattern, &path, &rflags) == 3)
|
|
flags = NUM2INT(rflags);
|
|
else
|
|
flags = 0;
|
|
|
|
StringValue(pattern);
|
|
StringValue(path);
|
|
|
|
if (fnmatch(RSTRING(pattern)->ptr, RSTRING(path)->ptr, flags) == 0)
|
|
return Qtrue;
|
|
|
|
return Qfalse;
|
|
}
|
|
|
|
void
|
|
Init_Dir()
|
|
{
|
|
rb_cDir = rb_define_class("Dir", rb_cObject);
|
|
|
|
rb_include_module(rb_cDir, rb_mEnumerable);
|
|
|
|
rb_define_singleton_method(rb_cDir, "allocate", dir_s_alloc, 0);
|
|
rb_define_singleton_method(rb_cDir, "open", dir_s_open, 1);
|
|
rb_define_singleton_method(rb_cDir, "foreach", dir_foreach, 1);
|
|
rb_define_singleton_method(rb_cDir, "entries", dir_entries, 1);
|
|
|
|
rb_define_method(rb_cDir,"initialize", dir_initialize, 1);
|
|
rb_define_method(rb_cDir,"path", dir_path, 0);
|
|
rb_define_method(rb_cDir,"read", dir_read, 0);
|
|
rb_define_method(rb_cDir,"each", dir_each, 0);
|
|
rb_define_method(rb_cDir,"rewind", dir_rewind, 0);
|
|
rb_define_method(rb_cDir,"tell", dir_tell, 0);
|
|
rb_define_method(rb_cDir,"seek", dir_seek, 1);
|
|
rb_define_method(rb_cDir,"pos", dir_tell, 0);
|
|
rb_define_method(rb_cDir,"pos=", dir_set_pos, 1);
|
|
rb_define_method(rb_cDir,"close", dir_close, 0);
|
|
|
|
rb_define_singleton_method(rb_cDir,"chdir", dir_s_chdir, -1);
|
|
rb_define_singleton_method(rb_cDir,"getwd", dir_s_getwd, 0);
|
|
rb_define_singleton_method(rb_cDir,"pwd", dir_s_getwd, 0);
|
|
rb_define_singleton_method(rb_cDir,"chroot", dir_s_chroot, 1);
|
|
rb_define_singleton_method(rb_cDir,"mkdir", dir_s_mkdir, -1);
|
|
rb_define_singleton_method(rb_cDir,"rmdir", dir_s_rmdir, 1);
|
|
rb_define_singleton_method(rb_cDir,"delete", dir_s_rmdir, 1);
|
|
rb_define_singleton_method(rb_cDir,"unlink", dir_s_rmdir, 1);
|
|
|
|
rb_define_singleton_method(rb_cDir,"glob", dir_s_glob, -1);
|
|
rb_define_singleton_method(rb_cDir,"[]", dir_s_aref, 1);
|
|
|
|
rb_define_singleton_method(rb_cFile,"fnmatch", file_s_fnmatch, -1);
|
|
rb_define_singleton_method(rb_cFile,"fnmatch?", file_s_fnmatch, -1);
|
|
|
|
rb_file_const("FNM_NOESCAPE", INT2FIX(FNM_NOESCAPE));
|
|
rb_file_const("FNM_PATHNAME", INT2FIX(FNM_PATHNAME));
|
|
rb_file_const("FNM_DOTMATCH", INT2FIX(FNM_DOTMATCH));
|
|
rb_file_const("FNM_CASEFOLD", INT2FIX(FNM_CASEFOLD));
|
|
}
|