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Diffstat (limited to 'jni/ruby/dir.c')
-rw-r--r-- | jni/ruby/dir.c | 2582 |
1 files changed, 2582 insertions, 0 deletions
diff --git a/jni/ruby/dir.c b/jni/ruby/dir.c new file mode 100644 index 0000000..aeaf374 --- /dev/null +++ b/jni/ruby/dir.c @@ -0,0 +1,2582 @@ +/********************************************************************** + + dir.c - + + $Author: nagachika $ + created at: Wed Jan 5 09:51:01 JST 1994 + + Copyright (C) 1993-2007 Yukihiro Matsumoto + Copyright (C) 2000 Network Applied Communication Laboratory, Inc. + Copyright (C) 2000 Information-technology Promotion Agency, Japan + +**********************************************************************/ + +#include "internal.h" + +#include <sys/types.h> +#include <sys/stat.h> + +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif + +#if defined HAVE_DIRENT_H && !defined _WIN32 +# include <dirent.h> +# define NAMLEN(dirent) strlen((dirent)->d_name) +#elif defined HAVE_DIRECT_H && !defined _WIN32 +# include <direct.h> +# define NAMLEN(dirent) strlen((dirent)->d_name) +#else +# define dirent direct +# define NAMLEN(dirent) (dirent)->d_namlen +# if HAVE_SYS_NDIR_H +# include <sys/ndir.h> +# endif +# if HAVE_SYS_DIR_H +# include <sys/dir.h> +# endif +# if HAVE_NDIR_H +# include <ndir.h> +# endif +# ifdef _WIN32 +# include "win32/dir.h" +# endif +#endif +#if defined(__native_client__) && defined(NACL_NEWLIB) +# include "nacl/dirent.h" +# include "nacl/stat.h" +#endif + +#include <errno.h> + +#ifndef HAVE_STDLIB_H +char *getenv(); +#endif + +#ifndef HAVE_STRING_H +char *strchr(char*,char); +#endif + +#include <ctype.h> + +#include "ruby/util.h" + +/* define system APIs */ +#ifdef _WIN32 +#undef chdir +#define chdir(p) rb_w32_uchdir(p) +#undef mkdir +#define mkdir(p, m) rb_w32_umkdir((p), (m)) +#undef rmdir +#define rmdir(p) rb_w32_urmdir(p) +#undef opendir +#define opendir(p) rb_w32_uopendir(p) +#define IS_WIN32 1 +#else +#define IS_WIN32 0 +#endif + +#ifdef HAVE_SYS_ATTR_H +#include <sys/attr.h> +#endif + +#ifdef HAVE_GETATTRLIST +# define USE_NAME_ON_FS 1 +# define RUP32(size) ((size)+3/4) +# define SIZEUP32(type) RUP32(sizeof(type)) +#elif defined _WIN32 +# define USE_NAME_ON_FS 1 +#elif defined DOSISH +# define USE_NAME_ON_FS 2 /* by fnmatch */ +#else +# define USE_NAME_ON_FS 0 +#endif + +#ifdef __APPLE__ +# define NORMALIZE_UTF8PATH 1 +#else +# define NORMALIZE_UTF8PATH 0 +#endif + +#if NORMALIZE_UTF8PATH +#include <sys/param.h> +#include <sys/mount.h> +#include <sys/vnode.h> + +# if defined HAVE_FGETATTRLIST || !defined HAVE_GETATTRLIST +# define need_normalization(dirp, path) need_normalization(dirp) +# else +# define need_normalization(dirp, path) need_normalization(path) +# endif +static inline int +need_normalization(DIR *dirp, const char *path) +{ +# if defined HAVE_FGETATTRLIST || defined HAVE_GETATTRLIST + u_int32_t attrbuf[SIZEUP32(fsobj_tag_t)]; + struct attrlist al = {ATTR_BIT_MAP_COUNT, 0, ATTR_CMN_OBJTAG,}; +# if defined HAVE_FGETATTRLIST + int ret = fgetattrlist(dirfd(dirp), &al, attrbuf, sizeof(attrbuf), 0); +# else + int ret = getattrlist(path, &al, attrbuf, sizeof(attrbuf), 0); +# endif + if (!ret) { + const fsobj_tag_t *tag = (void *)(attrbuf+1); + switch (*tag) { + case VT_HFS: + case VT_CIFS: + return TRUE; + } + } +# endif + return FALSE; +} + +static inline int +has_nonascii(const char *ptr, size_t len) +{ + while (len > 0) { + if (!ISASCII(*ptr)) return 1; + ptr++; + --len; + } + return 0; +} + +# define IF_NORMALIZE_UTF8PATH(something) something +#else +# define IF_NORMALIZE_UTF8PATH(something) /* nothing */ +#endif + +#define FNM_NOESCAPE 0x01 +#define FNM_PATHNAME 0x02 +#define FNM_DOTMATCH 0x04 +#define FNM_CASEFOLD 0x08 +#define FNM_EXTGLOB 0x10 +#if CASEFOLD_FILESYSTEM +#define FNM_SYSCASE FNM_CASEFOLD +#else +#define FNM_SYSCASE 0 +#endif + +#define FNM_NOMATCH 1 +#define FNM_ERROR 2 + +# define Next(p, e, enc) ((p)+ rb_enc_mbclen((p), (e), (enc))) +# define Inc(p, e, enc) ((p) = Next((p), (e), (enc))) + +static char * +bracket( + const char *p, /* pattern (next to '[') */ + const char *pend, + const char *s, /* string */ + const char *send, + int flags, + rb_encoding *enc) +{ + const int nocase = flags & FNM_CASEFOLD; + const int escape = !(flags & FNM_NOESCAPE); + unsigned int c1, c2; + int r; + int ok = 0, not = 0; + + if (p >= pend) return NULL; + if (*p == '!' || *p == '^') { + not = 1; + p++; + } + + while (*p != ']') { + const char *t1 = p; + if (escape && *t1 == '\\') + t1++; + if (!*t1) + return NULL; + p = t1 + (r = rb_enc_mbclen(t1, pend, enc)); + if (p >= pend) return NULL; + if (p[0] == '-' && p[1] != ']') { + const char *t2 = p + 1; + int r2; + if (escape && *t2 == '\\') + t2++; + if (!*t2) + return NULL; + p = t2 + (r2 = rb_enc_mbclen(t2, pend, enc)); + if (ok) continue; + if ((r <= (send-s) && memcmp(t1, s, r) == 0) || + (r2 <= (send-s) && memcmp(t2, s, r2) == 0)) { + ok = 1; + continue; + } + c1 = rb_enc_codepoint(s, send, enc); + if (nocase) c1 = rb_enc_toupper(c1, enc); + c2 = rb_enc_codepoint(t1, pend, enc); + if (nocase) c2 = rb_enc_toupper(c2, enc); + if (c1 < c2) continue; + c2 = rb_enc_codepoint(t2, pend, enc); + if (nocase) c2 = rb_enc_toupper(c2, enc); + if (c1 > c2) continue; + } + else { + if (ok) continue; + if (r <= (send-s) && memcmp(t1, s, r) == 0) { + ok = 1; + continue; + } + if (!nocase) continue; + c1 = rb_enc_toupper(rb_enc_codepoint(s, send, enc), enc); + c2 = rb_enc_toupper(rb_enc_codepoint(p, pend, enc), enc); + if (c1 != c2) continue; + } + ok = 1; + } + + return ok == not ? NULL : (char *)p + 1; +} + +/* If FNM_PATHNAME is set, only path element will be matched. (upto '/' or '\0') + Otherwise, entire string will be matched. + End marker itself won't be compared. + And if function succeeds, *pcur reaches end marker. +*/ +#define UNESCAPE(p) (escape && *(p) == '\\' ? (p) + 1 : (p)) +#define ISEND(p) (!*(p) || (pathname && *(p) == '/')) +#define RETURN(val) return *pcur = p, *scur = s, (val); + +static int +fnmatch_helper( + const char **pcur, /* pattern */ + const char **scur, /* string */ + int flags, + rb_encoding *enc) +{ + const int period = !(flags & FNM_DOTMATCH); + const int pathname = flags & FNM_PATHNAME; + const int escape = !(flags & FNM_NOESCAPE); + const int nocase = flags & FNM_CASEFOLD; + + const char *ptmp = 0; + const char *stmp = 0; + + const char *p = *pcur; + const char *pend = p + strlen(p); + const char *s = *scur; + const char *send = s + strlen(s); + + int r; + + if (period && *s == '.' && *UNESCAPE(p) != '.') /* leading period */ + RETURN(FNM_NOMATCH); + + while (1) { + switch (*p) { + case '*': + do { p++; } while (*p == '*'); + if (ISEND(UNESCAPE(p))) { + p = UNESCAPE(p); + RETURN(0); + } + if (ISEND(s)) + RETURN(FNM_NOMATCH); + ptmp = p; + stmp = s; + continue; + + case '?': + if (ISEND(s)) + RETURN(FNM_NOMATCH); + p++; + Inc(s, send, enc); + continue; + + case '[': { + const char *t; + if (ISEND(s)) + RETURN(FNM_NOMATCH); + if ((t = bracket(p + 1, pend, s, send, flags, enc)) != 0) { + p = t; + Inc(s, send, enc); + continue; + } + goto failed; + } + } + + /* ordinary */ + p = UNESCAPE(p); + if (ISEND(s)) + RETURN(ISEND(p) ? 0 : FNM_NOMATCH); + if (ISEND(p)) + goto failed; + r = rb_enc_precise_mbclen(p, pend, enc); + if (!MBCLEN_CHARFOUND_P(r)) + goto failed; + if (r <= (send-s) && memcmp(p, s, r) == 0) { + p += r; + s += r; + continue; + } + if (!nocase) goto failed; + if (rb_enc_toupper(rb_enc_codepoint(p, pend, enc), enc) != + rb_enc_toupper(rb_enc_codepoint(s, send, enc), enc)) + goto failed; + p += r; + Inc(s, send, enc); + continue; + + failed: /* try next '*' position */ + if (ptmp && stmp) { + p = ptmp; + Inc(stmp, send, enc); /* !ISEND(*stmp) */ + s = stmp; + continue; + } + RETURN(FNM_NOMATCH); + } +} + +static int +fnmatch( + const char *pattern, + rb_encoding *enc, + const char *string, + int flags) +{ + const char *p = pattern; + const char *s = string; + const char *send = s + strlen(string); + const int period = !(flags & FNM_DOTMATCH); + const int pathname = flags & FNM_PATHNAME; + + const char *ptmp = 0; + const char *stmp = 0; + + if (pathname) { + while (1) { + if (p[0] == '*' && p[1] == '*' && p[2] == '/') { + do { p += 3; } while (p[0] == '*' && p[1] == '*' && p[2] == '/'); + ptmp = p; + stmp = s; + } + if (fnmatch_helper(&p, &s, flags, enc) == 0) { + while (*s && *s != '/') Inc(s, send, enc); + if (*p && *s) { + p++; + s++; + continue; + } + if (!*p && !*s) + return 0; + } + /* failed : try next recursion */ + if (ptmp && stmp && !(period && *stmp == '.')) { + while (*stmp && *stmp != '/') Inc(stmp, send, enc); + if (*stmp) { + p = ptmp; + stmp++; + s = stmp; + continue; + } + } + return FNM_NOMATCH; + } + } + else + return fnmatch_helper(&p, &s, flags, enc); +} + +VALUE rb_cDir; + +struct dir_data { + DIR *dir; + VALUE path; + rb_encoding *enc; +}; + +static void +dir_mark(void *ptr) +{ + struct dir_data *dir = ptr; + rb_gc_mark(dir->path); +} + +static void +dir_free(void *ptr) +{ + struct dir_data *dir = ptr; + if (dir) { + if (dir->dir) closedir(dir->dir); + } + xfree(dir); +} + +static size_t +dir_memsize(const void *ptr) +{ + return ptr ? sizeof(struct dir_data) : 0; +} + +static const rb_data_type_t dir_data_type = { + "dir", + {dir_mark, dir_free, dir_memsize,}, + 0, 0, RUBY_TYPED_FREE_IMMEDIATELY +}; + +static VALUE dir_close(VALUE); + +#define GlobPathValue(str, safe) \ + /* can contain null bytes as separators */ \ + (!RB_TYPE_P((str), T_STRING) ? \ + (void)FilePathValue(str) : \ + (void)(check_safe_glob((str), (safe)), \ + check_glob_encoding(str), (str))) +#define check_safe_glob(str, safe) ((safe) ? rb_check_safe_obj(str) : (void)0) +#define check_glob_encoding(str) rb_enc_check((str), rb_enc_from_encoding(rb_usascii_encoding())) + +static VALUE +dir_s_alloc(VALUE klass) +{ + struct dir_data *dirp; + VALUE obj = TypedData_Make_Struct(klass, struct dir_data, &dir_data_type, dirp); + + dirp->dir = NULL; + dirp->path = Qnil; + dirp->enc = NULL; + + return obj; +} + +/* + * call-seq: + * Dir.new( string ) -> aDir + * Dir.new( string, encoding: enc ) -> aDir + * + * Returns a new directory object for the named directory. + * + * The optional <i>enc</i> argument specifies the encoding of the directory. + * If not specified, the filesystem encoding is used. + */ +static VALUE +dir_initialize(int argc, VALUE *argv, VALUE dir) +{ + struct dir_data *dp; + rb_encoding *fsenc; + VALUE dirname, opt, orig; + static ID keyword_ids[1]; + const char *path; + + if (!keyword_ids[0]) { + keyword_ids[0] = rb_intern("encoding"); + } + + fsenc = rb_filesystem_encoding(); + + rb_scan_args(argc, argv, "1:", &dirname, &opt); + + if (!NIL_P(opt)) { + VALUE enc; + rb_get_kwargs(opt, keyword_ids, 0, 1, &enc); + if (enc != Qundef && !NIL_P(enc)) { + fsenc = rb_to_encoding(enc); + } + } + + GlobPathValue(dirname, FALSE); + orig = rb_str_dup_frozen(dirname); + dirname = rb_str_encode_ospath(dirname); + dirname = rb_str_dup_frozen(dirname); + + TypedData_Get_Struct(dir, struct dir_data, &dir_data_type, dp); + if (dp->dir) closedir(dp->dir); + dp->dir = NULL; + dp->path = Qnil; + dp->enc = fsenc; + path = RSTRING_PTR(dirname); + dp->dir = opendir(path); + if (dp->dir == NULL) { + if (errno == EMFILE || errno == ENFILE) { + rb_gc(); + dp->dir = opendir(path); + } +#ifdef HAVE_GETATTRLIST + else if (errno == EIO) { + u_int32_t attrbuf[1]; + struct attrlist al = {ATTR_BIT_MAP_COUNT, 0}; + if (getattrlist(path, &al, attrbuf, sizeof(attrbuf), FSOPT_NOFOLLOW) == 0) { + dp->dir = opendir(path); + } + } +#endif + if (dp->dir == NULL) { + RB_GC_GUARD(dirname); + rb_sys_fail_path(orig); + } + } + dp->path = orig; + + return dir; +} + +/* + * call-seq: + * Dir.open( string ) -> aDir + * Dir.open( string, encoding: enc ) -> aDir + * Dir.open( string ) {| aDir | block } -> anObject + * Dir.open( string, encoding: enc ) {| aDir | block } -> anObject + * + * The optional <i>enc</i> argument specifies the encoding of the directory. + * If not specified, the filesystem encoding is used. + * + * With no block, <code>open</code> is a synonym for + * <code>Dir::new</code>. If a block is present, it is passed + * <i>aDir</i> as a parameter. The directory is closed at the end of + * the block, and <code>Dir::open</code> returns the value of the + * block. + */ +static VALUE +dir_s_open(int argc, VALUE *argv, VALUE klass) +{ + struct dir_data *dp; + VALUE dir = TypedData_Make_Struct(klass, struct dir_data, &dir_data_type, dp); + + dir_initialize(argc, argv, dir); + if (rb_block_given_p()) { + return rb_ensure(rb_yield, dir, dir_close, dir); + } + + return dir; +} + +static void +dir_closed(void) +{ + rb_raise(rb_eIOError, "closed directory"); +} + +static struct dir_data * +dir_check(VALUE dir) +{ + struct dir_data *dirp; + rb_check_frozen(dir); + dirp = rb_check_typeddata(dir, &dir_data_type); + if (!dirp->dir) dir_closed(); + return dirp; +} + +#define GetDIR(obj, dirp) ((dirp) = dir_check(obj)) + + +/* + * call-seq: + * dir.inspect -> string + * + * Return a string describing this Dir object. + */ +static VALUE +dir_inspect(VALUE dir) +{ + struct dir_data *dirp; + + TypedData_Get_Struct(dir, struct dir_data, &dir_data_type, dirp); + if (!NIL_P(dirp->path)) { + VALUE str = rb_str_new_cstr("#<"); + rb_str_append(str, rb_class_name(CLASS_OF(dir))); + rb_str_cat2(str, ":"); + rb_str_append(str, dirp->path); + rb_str_cat2(str, ">"); + return str; + } + return rb_funcall(dir, rb_intern("to_s"), 0, 0); +} + +#ifdef HAVE_DIRFD +/* + * call-seq: + * dir.fileno -> integer + * + * Returns the file descriptor used in <em>dir</em>. + * + * d = Dir.new("..") + * d.fileno #=> 8 + * + * This method uses dirfd() function defined by POSIX 2008. + * NotImplementedError is raised on other platforms, such as Windows, + * which doesn't provide the function. + * + */ +static VALUE +dir_fileno(VALUE dir) +{ + struct dir_data *dirp; + int fd; + + GetDIR(dir, dirp); + fd = dirfd(dirp->dir); + if (fd == -1) + rb_sys_fail("dirfd"); + return INT2NUM(fd); +} +#else +#define dir_fileno rb_f_notimplement +#endif + +/* + * call-seq: + * dir.path -> string or nil + * dir.to_path -> string or nil + * + * Returns the path parameter passed to <em>dir</em>'s constructor. + * + * d = Dir.new("..") + * d.path #=> ".." + */ +static VALUE +dir_path(VALUE dir) +{ + struct dir_data *dirp; + + TypedData_Get_Struct(dir, struct dir_data, &dir_data_type, dirp); + if (NIL_P(dirp->path)) return Qnil; + return rb_str_dup(dirp->path); +} + +#if defined _WIN32 +# define READDIR(dir, enc) rb_w32_readdir((dir), (enc)) +#else +# define READDIR(dir, enc) readdir((dir)) +#endif + +/* + * call-seq: + * dir.read -> string or nil + * + * Reads the next entry from <em>dir</em> and returns it as a string. + * Returns <code>nil</code> at the end of the stream. + * + * d = Dir.new("testdir") + * d.read #=> "." + * d.read #=> ".." + * d.read #=> "config.h" + */ +static VALUE +dir_read(VALUE dir) +{ + struct dir_data *dirp; + struct dirent *dp; + + GetDIR(dir, dirp); + errno = 0; + if ((dp = READDIR(dirp->dir, dirp->enc)) != NULL) { + return rb_external_str_new_with_enc(dp->d_name, NAMLEN(dp), dirp->enc); + } + else { + if (errno != 0) rb_sys_fail(0); + return Qnil; /* end of stream */ + } +} + +/* + * call-seq: + * dir.each { |filename| block } -> dir + * dir.each -> an_enumerator + * + * Calls the block once for each entry in this directory, passing the + * filename of each entry as a parameter to the block. + * + * If no block is given, an enumerator is returned instead. + * + * d = Dir.new("testdir") + * d.each {|x| puts "Got #{x}" } + * + * <em>produces:</em> + * + * Got . + * Got .. + * Got config.h + * Got main.rb + */ +static VALUE +dir_each(VALUE dir) +{ + struct dir_data *dirp; + struct dirent *dp; + IF_NORMALIZE_UTF8PATH(int norm_p); + + RETURN_ENUMERATOR(dir, 0, 0); + GetDIR(dir, dirp); + rewinddir(dirp->dir); + IF_NORMALIZE_UTF8PATH(norm_p = need_normalization(dirp->dir, RSTRING_PTR(dirp->path))); + while ((dp = READDIR(dirp->dir, dirp->enc)) != NULL) { + const char *name = dp->d_name; + size_t namlen = NAMLEN(dp); + VALUE path; +#if NORMALIZE_UTF8PATH + if (norm_p && has_nonascii(name, namlen) && + !NIL_P(path = rb_str_normalize_ospath(name, namlen))) { + path = rb_external_str_with_enc(path, dirp->enc); + } + else +#endif + path = rb_external_str_new_with_enc(name, namlen, dirp->enc); + rb_yield(path); + if (dirp->dir == NULL) dir_closed(); + } + return dir; +} + +#ifdef HAVE_TELLDIR +/* + * call-seq: + * dir.pos -> integer + * dir.tell -> integer + * + * Returns the current position in <em>dir</em>. See also + * <code>Dir#seek</code>. + * + * d = Dir.new("testdir") + * d.tell #=> 0 + * d.read #=> "." + * d.tell #=> 12 + */ +static VALUE +dir_tell(VALUE dir) +{ + struct dir_data *dirp; + long pos; + + GetDIR(dir, dirp); + pos = telldir(dirp->dir); + return rb_int2inum(pos); +} +#else +#define dir_tell rb_f_notimplement +#endif + +#ifdef HAVE_SEEKDIR +/* + * call-seq: + * dir.seek( integer ) -> dir + * + * Seeks to a particular location in <em>dir</em>. <i>integer</i> + * must be a value returned by <code>Dir#tell</code>. + * + * d = Dir.new("testdir") #=> #<Dir:0x401b3c40> + * d.read #=> "." + * i = d.tell #=> 12 + * d.read #=> ".." + * d.seek(i) #=> #<Dir:0x401b3c40> + * d.read #=> ".." + */ +static VALUE +dir_seek(VALUE dir, VALUE pos) +{ + struct dir_data *dirp; + long p = NUM2LONG(pos); + + GetDIR(dir, dirp); + seekdir(dirp->dir, p); + return dir; +} +#else +#define dir_seek rb_f_notimplement +#endif + +#ifdef HAVE_SEEKDIR +/* + * call-seq: + * dir.pos = integer -> integer + * + * Synonym for <code>Dir#seek</code>, but returns the position + * parameter. + * + * d = Dir.new("testdir") #=> #<Dir:0x401b3c40> + * d.read #=> "." + * i = d.pos #=> 12 + * d.read #=> ".." + * d.pos = i #=> 12 + * d.read #=> ".." + */ +static VALUE +dir_set_pos(VALUE dir, VALUE pos) +{ + dir_seek(dir, pos); + return pos; +} +#else +#define dir_set_pos rb_f_notimplement +#endif + +/* + * call-seq: + * dir.rewind -> dir + * + * Repositions <em>dir</em> to the first entry. + * + * d = Dir.new("testdir") + * d.read #=> "." + * d.rewind #=> #<Dir:0x401b3fb0> + * d.read #=> "." + */ +static VALUE +dir_rewind(VALUE dir) +{ + struct dir_data *dirp; + + GetDIR(dir, dirp); + rewinddir(dirp->dir); + return dir; +} + +/* + * call-seq: + * dir.close -> nil + * + * Closes the directory stream. Any further attempts to access + * <em>dir</em> will raise an <code>IOError</code>. + * + * d = Dir.new("testdir") + * d.close #=> nil + */ +static VALUE +dir_close(VALUE dir) +{ + struct dir_data *dirp; + + GetDIR(dir, dirp); + closedir(dirp->dir); + dirp->dir = NULL; + + return Qnil; +} + +static void +dir_chdir(VALUE path) +{ + if (chdir(RSTRING_PTR(path)) < 0) + rb_sys_fail_path(path); +} + +static int chdir_blocking = 0; +static VALUE chdir_thread = Qnil; + +struct chdir_data { + VALUE old_path, new_path; + int done; +}; + +static VALUE +chdir_yield(struct chdir_data *args) +{ + dir_chdir(args->new_path); + args->done = TRUE; + chdir_blocking++; + if (chdir_thread == Qnil) + chdir_thread = rb_thread_current(); + return rb_yield(args->new_path); +} + +static VALUE +chdir_restore(struct chdir_data *args) +{ + if (args->done) { + chdir_blocking--; + if (chdir_blocking == 0) + chdir_thread = Qnil; + dir_chdir(args->old_path); + } + return Qnil; +} + +/* + * call-seq: + * Dir.chdir( [ string] ) -> 0 + * Dir.chdir( [ string] ) {| path | block } -> anObject + * + * Changes the current working directory of the process to the given + * string. When called without an argument, changes the directory to + * the value of the environment variable <code>HOME</code>, or + * <code>LOGDIR</code>. <code>SystemCallError</code> (probably + * <code>Errno::ENOENT</code>) if the target directory does not exist. + * + * If a block is given, it is passed the name of the new current + * directory, and the block is executed with that as the current + * directory. The original working directory is restored when the block + * exits. The return value of <code>chdir</code> is the value of the + * block. <code>chdir</code> blocks can be nested, but in a + * multi-threaded program an error will be raised if a thread attempts + * to open a <code>chdir</code> block while another thread has one + * open. + * + * Dir.chdir("/var/spool/mail") + * puts Dir.pwd + * Dir.chdir("/tmp") do + * puts Dir.pwd + * Dir.chdir("/usr") do + * puts Dir.pwd + * end + * puts Dir.pwd + * end + * puts Dir.pwd + * + * <em>produces:</em> + * + * /var/spool/mail + * /tmp + * /usr + * /tmp + * /var/spool/mail + */ +static VALUE +dir_s_chdir(int argc, VALUE *argv, VALUE obj) +{ + VALUE path = Qnil; + + rb_secure(2); + if (rb_scan_args(argc, argv, "01", &path) == 1) { + FilePathValue(path); + path = rb_str_encode_ospath(path); + } + else { + const char *dist = getenv("HOME"); + if (!dist) { + dist = getenv("LOGDIR"); + if (!dist) rb_raise(rb_eArgError, "HOME/LOGDIR not set"); + } + path = rb_str_new2(dist); + } + + if (chdir_blocking > 0) { + if (!rb_block_given_p() || rb_thread_current() != chdir_thread) + rb_warn("conflicting chdir during another chdir block"); + } + + if (rb_block_given_p()) { + struct chdir_data args; + + args.old_path = rb_str_encode_ospath(rb_dir_getwd()); + args.new_path = path; + args.done = FALSE; + return rb_ensure(chdir_yield, (VALUE)&args, chdir_restore, (VALUE)&args); + } + dir_chdir(path); + + return INT2FIX(0); +} + +VALUE +rb_dir_getwd(void) +{ + char *path; + VALUE cwd; + + path = my_getcwd(); + cwd = rb_tainted_str_new2(path); + rb_enc_associate(cwd, rb_filesystem_encoding()); + + xfree(path); + return cwd; +} + +/* + * call-seq: + * Dir.getwd -> string + * Dir.pwd -> string + * + * Returns the path to the current working directory of this process as + * a string. + * + * Dir.chdir("/tmp") #=> 0 + * Dir.getwd #=> "/tmp" + * Dir.pwd #=> "/tmp" + */ +static VALUE +dir_s_getwd(VALUE dir) +{ + return rb_dir_getwd(); +} + +static void +check_dirname(volatile VALUE *dir) +{ + VALUE d = *dir; + char *path, *pend; + long len; + rb_encoding *enc; + + rb_secure(2); + FilePathValue(d); + enc = rb_enc_get(d); + RSTRING_GETMEM(d, path, len); + pend = path + len; + pend = rb_enc_path_end(rb_enc_path_skip_prefix(path, pend, enc), pend, enc); + if (pend - path < len) { + d = rb_str_subseq(d, 0, pend - path); + } + *dir = rb_str_encode_ospath(d); +} + +#if defined(HAVE_CHROOT) +/* + * call-seq: + * Dir.chroot( string ) -> 0 + * + * Changes this process's idea of the file system root. Only a + * privileged process may make this call. Not available on all + * platforms. On Unix systems, see <code>chroot(2)</code> for more + * information. + */ +static VALUE +dir_s_chroot(VALUE dir, VALUE path) +{ + check_dirname(&path); + if (chroot(RSTRING_PTR(path)) == -1) + rb_sys_fail_path(path); + + return INT2FIX(0); +} +#else +#define dir_s_chroot rb_f_notimplement +#endif + +/* + * call-seq: + * Dir.mkdir( string [, integer] ) -> 0 + * + * Makes a new directory named by <i>string</i>, with permissions + * specified by the optional parameter <i>anInteger</i>. The + * permissions may be modified by the value of + * <code>File::umask</code>, and are ignored on NT. Raises a + * <code>SystemCallError</code> if the directory cannot be created. See + * also the discussion of permissions in the class documentation for + * <code>File</code>. + * + * Dir.mkdir(File.join(Dir.home, ".foo"), 0700) #=> 0 + * + */ +static VALUE +dir_s_mkdir(int argc, VALUE *argv, VALUE obj) +{ + VALUE path, vmode; + int mode; + + if (rb_scan_args(argc, argv, "11", &path, &vmode) == 2) { + mode = NUM2INT(vmode); + } + else { + mode = 0777; + } + + check_dirname(&path); + if (mkdir(RSTRING_PTR(path), mode) == -1) + rb_sys_fail_path(path); + + return INT2FIX(0); +} + +/* + * call-seq: + * Dir.delete( string ) -> 0 + * Dir.rmdir( string ) -> 0 + * Dir.unlink( string ) -> 0 + * + * Deletes the named directory. Raises a subclass of + * <code>SystemCallError</code> if the directory isn't empty. + */ +static VALUE +dir_s_rmdir(VALUE obj, VALUE dir) +{ + check_dirname(&dir); + if (rmdir(RSTRING_PTR(dir)) < 0) + rb_sys_fail_path(dir); + + return INT2FIX(0); +} + +struct warning_args { +#ifdef RUBY_FUNCTION_NAME_STRING + const char *func; +#endif + const char *mesg; + rb_encoding *enc; +}; + +#ifndef RUBY_FUNCTION_NAME_STRING +#define sys_enc_warning_in(func, mesg, enc) sys_enc_warning(mesg, enc) +#endif + +static VALUE +sys_warning_1(VALUE mesg) +{ + const struct warning_args *arg = (struct warning_args *)mesg; +#ifdef RUBY_FUNCTION_NAME_STRING + rb_sys_enc_warning(arg->enc, "%s: %s", arg->func, arg->mesg); +#else + rb_sys_enc_warning(arg->enc, "%s", arg->mesg); +#endif + return Qnil; +} + +static void +sys_enc_warning_in(const char *func, const char *mesg, rb_encoding *enc) +{ + struct warning_args arg; +#ifdef RUBY_FUNCTION_NAME_STRING + arg.func = func; +#endif + arg.mesg = mesg; + arg.enc = enc; + rb_protect(sys_warning_1, (VALUE)&arg, 0); +} + +#define GLOB_VERBOSE (1U << (sizeof(int) * CHAR_BIT - 1)) +#define sys_warning(val, enc) \ + ((flags & GLOB_VERBOSE) ? sys_enc_warning_in(RUBY_FUNCTION_NAME_STRING, (val), (enc)) :(void)0) + +#define GLOB_ALLOC(type) ((type *)malloc(sizeof(type))) +#define GLOB_ALLOC_N(type, n) ((type *)malloc(sizeof(type) * (n))) +#define GLOB_REALLOC(ptr, size) realloc((ptr), (size)) +#define GLOB_FREE(ptr) free(ptr) +#define GLOB_JUMP_TAG(status) (((status) == -1) ? rb_memerror() : rb_jump_tag(status)) + +/* + * ENOTDIR can be returned by stat(2) if a non-leaf element of the path + * is not a directory. + */ +#define to_be_ignored(e) ((e) == ENOENT || (e) == ENOTDIR) + +#ifdef _WIN32 +#define STAT(p, s) rb_w32_ustati64((p), (s)) +#else +#define STAT(p, s) stat((p), (s)) +#endif + +/* System call with warning */ +static int +do_stat(const char *path, struct stat *pst, int flags, rb_encoding *enc) +{ + int ret = STAT(path, pst); + if (ret < 0 && !to_be_ignored(errno)) + sys_warning(path, enc); + + return ret; +} + +#if defined HAVE_LSTAT || defined lstat +static int +do_lstat(const char *path, struct stat *pst, int flags, rb_encoding *enc) +{ + int ret = lstat(path, pst); + if (ret < 0 && !to_be_ignored(errno)) + sys_warning(path, enc); + + return ret; +} +#else +#define do_lstat do_stat +#endif + +static DIR * +do_opendir(const char *path, int flags, rb_encoding *enc) +{ + DIR *dirp; +#ifdef _WIN32 + VALUE tmp = 0; + if (enc != rb_usascii_encoding() && + enc != rb_ascii8bit_encoding() && + enc != rb_utf8_encoding()) { + tmp = rb_enc_str_new(path, strlen(path), enc); + tmp = rb_str_encode_ospath(tmp); + path = RSTRING_PTR(tmp); + } +#endif + dirp = opendir(path); + if (dirp == NULL && !to_be_ignored(errno)) + sys_warning(path, enc); +#ifdef _WIN32 + if (tmp) rb_str_resize(tmp, 0); /* GC guard */ +#endif + + return dirp; +} + +/* Globing pattern */ +enum glob_pattern_type { PLAIN, ALPHA, MAGICAL, RECURSIVE, MATCH_ALL, MATCH_DIR }; + +/* Return nonzero if S has any special globbing chars in it. */ +static enum glob_pattern_type +has_magic(const char *p, const char *pend, int flags, rb_encoding *enc) +{ + const int escape = !(flags & FNM_NOESCAPE); + int hasalpha = 0; + + register char c; + + while (p < pend && (c = *p++) != 0) { + switch (c) { + case '*': + case '?': + case '[': + return MAGICAL; + + case '\\': + if (escape && p++ >= pend) + continue; + break; + +#ifdef _WIN32 + case '.': + break; + + case '~': + hasalpha = 1; + break; +#endif + default: + if (IS_WIN32 || ISALPHA(c)) { + hasalpha = 1; + } + break; + } + + p = Next(p-1, pend, enc); + } + + return hasalpha ? ALPHA : PLAIN; +} + +/* Find separator in globbing pattern. */ +static char * +find_dirsep(const char *p, const char *pend, int flags, rb_encoding *enc) +{ + const int escape = !(flags & FNM_NOESCAPE); + + register char c; + int open = 0; + + while ((c = *p++) != 0) { + switch (c) { + case '[': + open = 1; + continue; + case ']': + open = 0; + continue; + + case '/': + if (!open) + return (char *)p-1; + continue; + + case '\\': + if (escape && !(c = *p++)) + return (char *)p-1; + continue; + } + + p = Next(p-1, pend, enc); + } + + return (char *)p-1; +} + +/* Remove escaping backslashes */ +static char * +remove_backslashes(char *p, register const char *pend, rb_encoding *enc) +{ + char *t = p; + char *s = p; + + while (*p) { + if (*p == '\\') { + if (t != s) + memmove(t, s, p - s); + t += p - s; + s = ++p; + if (!*p) break; + } + Inc(p, pend, enc); + } + + while (*p++); + + if (t != s) + memmove(t, s, p - s); /* move '\0' too */ + + return p; +} + +struct glob_pattern { + char *str; + enum glob_pattern_type type; + struct glob_pattern *next; +}; + +static void glob_free_pattern(struct glob_pattern *list); + +static struct glob_pattern * +glob_make_pattern(const char *p, const char *e, int flags, rb_encoding *enc) +{ + struct glob_pattern *list, *tmp, **tail = &list; + int dirsep = 0; /* pattern is terminated with '/' */ + int recursive = 0; + + while (p < e && *p) { + tmp = GLOB_ALLOC(struct glob_pattern); + if (!tmp) goto error; + if (p + 2 < e && p[0] == '*' && p[1] == '*' && p[2] == '/') { + /* fold continuous RECURSIVEs (needed in glob_helper) */ + do { p += 3; while (*p == '/') p++; } while (p[0] == '*' && p[1] == '*' && p[2] == '/'); + tmp->type = RECURSIVE; + tmp->str = 0; + dirsep = 1; + recursive = 1; + } + else { + const char *m = find_dirsep(p, e, flags, enc); + const enum glob_pattern_type magic = has_magic(p, m, flags, enc); + const enum glob_pattern_type non_magic = (USE_NAME_ON_FS || FNM_SYSCASE) ? PLAIN : ALPHA; + char *buf; + + if (!(FNM_SYSCASE || magic > non_magic) && !recursive && *m) { + const char *m2; + while (has_magic(m+1, m2 = find_dirsep(m+1, e, flags, enc), flags, enc) <= non_magic && + *m2) { + m = m2; + } + } + buf = GLOB_ALLOC_N(char, m-p+1); + if (!buf) { + GLOB_FREE(tmp); + goto error; + } + memcpy(buf, p, m-p); + buf[m-p] = '\0'; + tmp->type = magic > MAGICAL ? MAGICAL : magic > non_magic ? magic : PLAIN; + tmp->str = buf; + if (*m) { + dirsep = 1; + p = m + 1; + } + else { + dirsep = 0; + p = m; + } + } + *tail = tmp; + tail = &tmp->next; + } + + tmp = GLOB_ALLOC(struct glob_pattern); + if (!tmp) { + error: + *tail = 0; + glob_free_pattern(list); + return 0; + } + tmp->type = dirsep ? MATCH_DIR : MATCH_ALL; + tmp->str = 0; + *tail = tmp; + tmp->next = 0; + + return list; +} + +static void +glob_free_pattern(struct glob_pattern *list) +{ + while (list) { + struct glob_pattern *tmp = list; + list = list->next; + if (tmp->str) + GLOB_FREE(tmp->str); + GLOB_FREE(tmp); + } +} + +static char * +join_path(const char *path, long len, int dirsep, const char *name, size_t namlen) +{ + char *buf = GLOB_ALLOC_N(char, len+namlen+(dirsep?1:0)+1); + + if (!buf) return 0; + memcpy(buf, path, len); + if (dirsep) { + buf[len++] = '/'; + } + memcpy(buf+len, name, namlen); + buf[len+namlen] = '\0'; + return buf; +} + +#ifdef HAVE_GETATTRLIST +static int +is_case_sensitive(DIR *dirp) +{ + u_int32_t attrbuf[SIZEUP32(vol_capabilities_attr_t) + 1]; + struct attrlist al = {ATTR_BIT_MAP_COUNT, 0, 0, ATTR_VOL_INFO|ATTR_VOL_CAPABILITIES}; + const vol_capabilities_attr_t *cap = (void *)(attrbuf+1); + const int idx = VOL_CAPABILITIES_FORMAT; + const uint32_t mask = VOL_CAP_FMT_CASE_SENSITIVE; + struct statfs sf; + + if (fstatfs(dirfd(dirp), &sf)) return -1; + if (getattrlist(sf.f_mntonname, &al, attrbuf, sizeof(attrbuf), FSOPT_NOFOLLOW)) + return -1; + if (!(cap->valid[idx] & mask)) + return -1; + return (cap->capabilities[idx] & mask) != 0; +} + +static char * +replace_real_basename(char *path, long base, rb_encoding *enc, int norm_p) +{ + u_int32_t attrbuf[SIZEUP32(attrreference_t) + RUP32(MAXPATHLEN * 3) + 1]; + struct attrlist al = {ATTR_BIT_MAP_COUNT, 0, ATTR_CMN_NAME}; + const attrreference_t *ar = (void *)(attrbuf+1); + const char *name; + long len; + char *tmp; + IF_NORMALIZE_UTF8PATH(VALUE utf8str = Qnil); + + if (getattrlist(path, &al, attrbuf, sizeof(attrbuf), FSOPT_NOFOLLOW)) + return path; + + name = (char *)ar + ar->attr_dataoffset; + len = (long)ar->attr_length - 1; + if (name + len > (char *)attrbuf + sizeof(attrbuf)) + return path; + +# if NORMALIZE_UTF8PATH + if (norm_p && has_nonascii(name, len)) { + if (!NIL_P(utf8str = rb_str_normalize_ospath(name, len))) { + RSTRING_GETMEM(utf8str, name, len); + } + } +# endif + + tmp = GLOB_REALLOC(path, base + len + 1); + if (tmp) { + path = tmp; + memcpy(path + base, name, len); + path[base + len] = '\0'; + } + IF_NORMALIZE_UTF8PATH(if (!NIL_P(utf8str)) rb_str_resize(utf8str, 0)); + return path; +} +#elif defined _WIN32 +VALUE rb_w32_conv_from_wchar(const WCHAR *wstr, rb_encoding *enc); + +static char * +replace_real_basename(char *path, long base, rb_encoding *enc, int norm_p) +{ + char *plainname = path; + volatile VALUE tmp = 0; + WIN32_FIND_DATAW fd; + WIN32_FILE_ATTRIBUTE_DATA fa; + WCHAR *wplain; + HANDLE h = INVALID_HANDLE_VALUE; + long wlen; + if (enc && + enc != rb_usascii_encoding() && + enc != rb_ascii8bit_encoding() && + enc != rb_utf8_encoding()) { + tmp = rb_enc_str_new_cstr(plainname, enc); + tmp = rb_str_encode_ospath(tmp); + plainname = RSTRING_PTR(tmp); + } + wplain = rb_w32_mbstr_to_wstr(CP_UTF8, plainname, -1, &wlen); + if (tmp) rb_str_resize(tmp, 0); + if (!wplain) return path; + if (GetFileAttributesExW(wplain, GetFileExInfoStandard, &fa)) + h = FindFirstFileW(wplain, &fd); + free(wplain); + if (h == INVALID_HANDLE_VALUE) return path; + FindClose(h); + if (tmp) { + char *buf; + tmp = rb_w32_conv_from_wchar(fd.cFileName, enc); + wlen = RSTRING_LEN(tmp); + buf = GLOB_REALLOC(path, base + wlen + 1); + if (buf) { + path = buf; + memcpy(path + base, RSTRING_PTR(tmp), wlen); + path[base + wlen] = 0; + } + rb_str_resize(tmp, 0); + } + else { + char *utf8filename; + wlen = WideCharToMultiByte(CP_UTF8, 0, fd.cFileName, -1, NULL, 0, NULL, NULL); + utf8filename = GLOB_REALLOC(0, wlen); + if (utf8filename) { + char *buf; + WideCharToMultiByte(CP_UTF8, 0, fd.cFileName, -1, utf8filename, wlen, NULL, NULL); + buf = GLOB_REALLOC(path, base + wlen + 1); + if (buf) { + path = buf; + memcpy(path + base, utf8filename, wlen); + path[base + wlen] = 0; + } + GLOB_FREE(utf8filename); + } + } + return path; +} +#elif USE_NAME_ON_FS == 1 +# error not implemented +#endif + +enum answer {UNKNOWN = -1, NO, YES}; + +#ifndef S_ISDIR +# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) +#endif + +#ifndef S_ISLNK +# ifndef S_IFLNK +# define S_ISLNK(m) (0) +# else +# define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK) +# endif +#endif + +struct glob_args { + void (*func)(const char *, VALUE, void *); + const char *path; + VALUE value; + rb_encoding *enc; +}; + +#define glob_call_func(func, path, arg, enc) (*(func))((path), (arg), (void *)(enc)) + +static VALUE +glob_func_caller(VALUE val) +{ + struct glob_args *args = (struct glob_args *)val; + + glob_call_func(args->func, args->path, args->value, args->enc); + return Qnil; +} + +static int +glob_helper( + const char *path, + int dirsep, /* '/' should be placed before appending child entry's name to 'path'. */ + enum answer exist, /* Does 'path' indicate an existing entry? */ + enum answer isdir, /* Does 'path' indicate a directory or a symlink to a directory? */ + struct glob_pattern **beg, + struct glob_pattern **end, + int flags, + ruby_glob_func *func, + VALUE arg, + rb_encoding *enc) +{ + struct stat st; + int status = 0; + struct glob_pattern **cur, **new_beg, **new_end; + int plain = 0, magical = 0, recursive = 0, match_all = 0, match_dir = 0; + int escape = !(flags & FNM_NOESCAPE); + long pathlen; + + for (cur = beg; cur < end; ++cur) { + struct glob_pattern *p = *cur; + if (p->type == RECURSIVE) { + recursive = 1; + p = p->next; + } + switch (p->type) { + case PLAIN: + plain = 1; + break; + case ALPHA: +#if USE_NAME_ON_FS == 1 + plain = 1; +#else + magical = 1; +#endif + break; + case MAGICAL: + magical = 2; + break; + case MATCH_ALL: + match_all = 1; + break; + case MATCH_DIR: + match_dir = 1; + break; + case RECURSIVE: + rb_bug("continuous RECURSIVEs"); + } + } + + pathlen = strlen(path); + if (*path) { + if (match_all && exist == UNKNOWN) { + if (do_lstat(path, &st, flags, enc) == 0) { + exist = YES; + isdir = S_ISDIR(st.st_mode) ? YES : S_ISLNK(st.st_mode) ? UNKNOWN : NO; + } + else { + exist = NO; + isdir = NO; + } + } + if (match_dir && isdir == UNKNOWN) { + if (do_stat(path, &st, flags, enc) == 0) { + exist = YES; + isdir = S_ISDIR(st.st_mode) ? YES : NO; + } + else { + exist = NO; + isdir = NO; + } + } + if (match_all && exist == YES) { + status = glob_call_func(func, path, arg, enc); + if (status) return status; + } + if (match_dir && isdir == YES) { + char *tmp = join_path(path, pathlen, dirsep, "", 0); + if (!tmp) return -1; + status = glob_call_func(func, tmp, arg, enc); + GLOB_FREE(tmp); + if (status) return status; + } + } + + if (exist == NO || isdir == NO) return 0; + + if (magical || recursive) { + struct dirent *dp; + DIR *dirp; +# if USE_NAME_ON_FS == 2 + char *plainname = 0; +# endif + IF_NORMALIZE_UTF8PATH(int norm_p); +# if USE_NAME_ON_FS == 2 + if (cur + 1 == end && (*cur)->type <= ALPHA) { + plainname = join_path(path, pathlen, dirsep, (*cur)->str, strlen((*cur)->str)); + if (!plainname) return -1; + dirp = do_opendir(plainname, flags, enc); + GLOB_FREE(plainname); + } + else +# endif + dirp = do_opendir(*path ? path : ".", flags, enc); + if (dirp == NULL) { +# if FNM_SYSCASE || NORMALIZE_UTF8PATH + if ((magical < 2) && !recursive && (errno == EACCES)) { + /* no read permission, fallback */ + goto literally; + } +# endif + return 0; + } + IF_NORMALIZE_UTF8PATH(norm_p = need_normalization(dirp, *path ? path : ".")); + +# if NORMALIZE_UTF8PATH + if (!(norm_p || magical || recursive)) { + closedir(dirp); + goto literally; + } +# endif +# ifdef HAVE_GETATTRLIST + if (is_case_sensitive(dirp) == 0) + flags |= FNM_CASEFOLD; +# endif + while ((dp = READDIR(dirp, enc)) != NULL) { + char *buf; + enum answer new_isdir = UNKNOWN; + const char *name; + size_t namlen; + int dotfile = 0; + IF_NORMALIZE_UTF8PATH(VALUE utf8str = Qnil); + + if (recursive && dp->d_name[0] == '.') { + ++dotfile; + if (!dp->d_name[1]) { + /* unless DOTMATCH, skip current directories not to recurse infinitely */ + if (!(flags & FNM_DOTMATCH)) continue; + ++dotfile; + } + else if (dp->d_name[1] == '.' && !dp->d_name[2]) { + /* always skip parent directories not to recurse infinitely */ + continue; + } + } + + name = dp->d_name; + namlen = NAMLEN(dp); +# if NORMALIZE_UTF8PATH + if (norm_p && has_nonascii(name, namlen)) { + if (!NIL_P(utf8str = rb_str_normalize_ospath(name, namlen))) { + RSTRING_GETMEM(utf8str, name, namlen); + } + } +# endif + buf = join_path(path, pathlen, dirsep, name, namlen); + IF_NORMALIZE_UTF8PATH(if (!NIL_P(utf8str)) rb_str_resize(utf8str, 0)); + if (!buf) { + status = -1; + break; + } + name = buf + pathlen + (dirsep != 0); + if (recursive && dotfile < ((flags & FNM_DOTMATCH) ? 2 : 1)) { + /* RECURSIVE never match dot files unless FNM_DOTMATCH is set */ +#ifndef _WIN32 + if (do_lstat(buf, &st, flags, enc) == 0) + new_isdir = S_ISDIR(st.st_mode) ? YES : S_ISLNK(st.st_mode) ? UNKNOWN : NO; + else + new_isdir = NO; +#else + new_isdir = dp->d_isdir ? (!dp->d_isrep ? YES : UNKNOWN) : NO; +#endif + } + + new_beg = new_end = GLOB_ALLOC_N(struct glob_pattern *, (end - beg) * 2); + if (!new_beg) { + GLOB_FREE(buf); + status = -1; + break; + } + + for (cur = beg; cur < end; ++cur) { + struct glob_pattern *p = *cur; + if (p->type == RECURSIVE) { + if (new_isdir == YES) /* not symlink but real directory */ + *new_end++ = p; /* append recursive pattern */ + p = p->next; /* 0 times recursion */ + } + switch (p->type) { + case ALPHA: +# if USE_NAME_ON_FS == 2 + if (plainname) { + *new_end++ = p->next; + break; + } +# endif + case PLAIN: + case MAGICAL: + if (fnmatch(p->str, enc, name, flags) == 0) + *new_end++ = p->next; + default: + break; + } + } + + status = glob_helper(buf, 1, YES, new_isdir, new_beg, new_end, + flags, func, arg, enc); + GLOB_FREE(buf); + GLOB_FREE(new_beg); + if (status) break; + } + + closedir(dirp); + } + else if (plain) { + struct glob_pattern **copy_beg, **copy_end, **cur2; + +# if FNM_SYSCASE || NORMALIZE_UTF8PATH + literally: +# endif + copy_beg = copy_end = GLOB_ALLOC_N(struct glob_pattern *, end - beg); + if (!copy_beg) return -1; + for (cur = beg; cur < end; ++cur) + *copy_end++ = (*cur)->type <= ALPHA ? *cur : 0; + + for (cur = copy_beg; cur < copy_end; ++cur) { + if (*cur) { + char *buf; + char *name; + size_t len = strlen((*cur)->str) + 1; + name = GLOB_ALLOC_N(char, len); + if (!name) { + status = -1; + break; + } + memcpy(name, (*cur)->str, len); + if (escape) + len = remove_backslashes(name, name+len-1, enc) - name; + + new_beg = new_end = GLOB_ALLOC_N(struct glob_pattern *, end - beg); + if (!new_beg) { + GLOB_FREE(name); + status = -1; + break; + } + *new_end++ = (*cur)->next; + for (cur2 = cur + 1; cur2 < copy_end; ++cur2) { + if (*cur2 && fnmatch((*cur2)->str, enc, name, flags) == 0) { + *new_end++ = (*cur2)->next; + *cur2 = 0; + } + } + + buf = join_path(path, pathlen, dirsep, name, len); + GLOB_FREE(name); + if (!buf) { + GLOB_FREE(new_beg); + status = -1; + break; + } +#if USE_NAME_ON_FS == 1 + if ((*cur)->type == ALPHA) { + long base = pathlen + (dirsep != 0); + buf = replace_real_basename(buf, base, enc, IF_NORMALIZE_UTF8PATH(1)+0); + } +#endif + status = glob_helper(buf, 1, UNKNOWN, UNKNOWN, new_beg, + new_end, flags, func, arg, enc); + GLOB_FREE(buf); + GLOB_FREE(new_beg); + if (status) break; + } + } + + GLOB_FREE(copy_beg); + } + + return status; +} + +static int +ruby_glob0(const char *path, int flags, ruby_glob_func *func, VALUE arg, rb_encoding *enc) +{ + struct glob_pattern *list; + const char *root, *start; + char *buf; + size_t n; + int status; + + start = root = path; + flags |= FNM_SYSCASE; +#if defined DOSISH + root = rb_enc_path_skip_prefix(root, root + strlen(root), enc); +#endif + + if (root && *root == '/') root++; + + n = root - start; + buf = GLOB_ALLOC_N(char, n + 1); + if (!buf) return -1; + MEMCPY(buf, start, char, n); + buf[n] = '\0'; + + list = glob_make_pattern(root, root + strlen(root), flags, enc); + if (!list) { + GLOB_FREE(buf); + return -1; + } + status = glob_helper(buf, 0, UNKNOWN, UNKNOWN, &list, &list + 1, flags, func, arg, enc); + glob_free_pattern(list); + GLOB_FREE(buf); + + return status; +} + +int +ruby_glob(const char *path, int flags, ruby_glob_func *func, VALUE arg) +{ + return ruby_glob0(path, flags & ~GLOB_VERBOSE, func, arg, + rb_ascii8bit_encoding()); +} + +static int +rb_glob_caller(const char *path, VALUE a, void *enc) +{ + int status; + struct glob_args *args = (struct glob_args *)a; + + args->path = path; + rb_protect(glob_func_caller, a, &status); + return status; +} + +static int +rb_glob2(const char *path, int flags, + void (*func)(const char *, VALUE, void *), VALUE arg, + rb_encoding* enc) +{ + struct glob_args args; + + args.func = func; + args.value = arg; + args.enc = enc; + + if (flags & FNM_SYSCASE) { + rb_warning("Dir.glob() ignores File::FNM_CASEFOLD"); + } + + return ruby_glob0(path, flags | GLOB_VERBOSE, rb_glob_caller, (VALUE)&args, + enc); +} + +void +rb_glob(const char *path, void (*func)(const char *, VALUE, void *), VALUE arg) +{ + int status = rb_glob2(path, 0, func, arg, rb_ascii8bit_encoding()); + if (status) GLOB_JUMP_TAG(status); +} + +static void +push_pattern(const char *path, VALUE ary, void *enc) +{ + rb_ary_push(ary, rb_external_str_new_with_enc(path, strlen(path), enc)); +} + +static int +ruby_brace_expand(const char *str, int flags, ruby_glob_func *func, VALUE arg, + rb_encoding *enc) +{ + const int escape = !(flags & FNM_NOESCAPE); + const char *p = str; + const char *pend = p + strlen(p); + const char *s = p; + const char *lbrace = 0, *rbrace = 0; + int nest = 0, status = 0; + + while (*p) { + if (*p == '{' && nest++ == 0) { + lbrace = p; + } + if (*p == '}' && --nest <= 0) { + rbrace = p; + break; + } + if (*p == '\\' && escape) { + if (!*++p) break; + } + Inc(p, pend, enc); + } + + if (lbrace && rbrace) { + size_t len = strlen(s) + 1; + char *buf = GLOB_ALLOC_N(char, len); + long shift; + + if (!buf) return -1; + memcpy(buf, s, lbrace-s); + shift = (lbrace-s); + p = lbrace; + while (p < rbrace) { + const char *t = ++p; + nest = 0; + while (p < rbrace && !(*p == ',' && nest == 0)) { + if (*p == '{') nest++; + if (*p == '}') nest--; + if (*p == '\\' && escape) { + if (++p == rbrace) break; + } + Inc(p, pend, enc); + } + memcpy(buf+shift, t, p-t); + strlcpy(buf+shift+(p-t), rbrace+1, len-(shift+(p-t))); + status = ruby_brace_expand(buf, flags, func, arg, enc); + if (status) break; + } + GLOB_FREE(buf); + } + else if (!lbrace && !rbrace) { + status = glob_call_func(func, s, arg, enc); + } + + return status; +} + +struct brace_args { + ruby_glob_func *func; + VALUE value; + int flags; +}; + +static int +glob_brace(const char *path, VALUE val, void *enc) +{ + struct brace_args *arg = (struct brace_args *)val; + + return ruby_glob0(path, arg->flags, arg->func, arg->value, enc); +} + +static int +ruby_brace_glob0(const char *str, int flags, ruby_glob_func *func, VALUE arg, + rb_encoding* enc) +{ + struct brace_args args; + + args.func = func; + args.value = arg; + args.flags = flags; + return ruby_brace_expand(str, flags, glob_brace, (VALUE)&args, enc); +} + +int +ruby_brace_glob(const char *str, int flags, ruby_glob_func *func, VALUE arg) +{ + return ruby_brace_glob0(str, flags & ~GLOB_VERBOSE, func, arg, + rb_ascii8bit_encoding()); +} + +int +ruby_brace_glob_with_enc(const char *str, int flags, ruby_glob_func *func, VALUE arg, rb_encoding *enc) +{ + return ruby_brace_glob0(str, flags & ~GLOB_VERBOSE, func, arg, enc); +} + +static int +push_glob(VALUE ary, VALUE str, int flags) +{ + struct glob_args args; +#ifdef __APPLE__ + rb_encoding *enc = rb_utf8_encoding(); + + str = rb_str_encode_ospath(str); +#else + rb_encoding *enc = rb_enc_get(str); + + if (enc == rb_usascii_encoding()) enc = rb_filesystem_encoding(); + if (enc == rb_usascii_encoding()) enc = rb_ascii8bit_encoding(); +#endif + args.func = push_pattern; + args.value = ary; + args.enc = enc; + + RB_GC_GUARD(str); + return ruby_brace_glob0(RSTRING_PTR(str), flags | GLOB_VERBOSE, + rb_glob_caller, (VALUE)&args, enc); +} + +static VALUE +rb_push_glob(VALUE str, int flags) /* '\0' is delimiter */ +{ + long offset = 0; + VALUE ary; + + GlobPathValue(str, TRUE); + ary = rb_ary_new(); + + while (offset < RSTRING_LEN(str)) { + char *p, *pend; + int status; + p = RSTRING_PTR(str) + offset; + status = push_glob(ary, rb_enc_str_new(p, strlen(p), rb_enc_get(str)), + flags); + if (status) GLOB_JUMP_TAG(status); + if (offset >= RSTRING_LEN(str)) break; + p += strlen(p) + 1; + pend = RSTRING_PTR(str) + RSTRING_LEN(str); + while (p < pend && !*p) + p++; + offset = p - RSTRING_PTR(str); + } + + return ary; +} + +static VALUE +dir_globs(long argc, const VALUE *argv, int flags) +{ + VALUE ary = rb_ary_new(); + long i; + + for (i = 0; i < argc; ++i) { + int status; + VALUE str = argv[i]; + GlobPathValue(str, TRUE); + status = push_glob(ary, str, flags); + if (status) GLOB_JUMP_TAG(status); + } + + return ary; +} + +/* + * call-seq: + * Dir[ string [, string ...] ] -> array + * + * Equivalent to calling + * <code>Dir.glob([</code><i>string,...</i><code>],0)</code>. + * + */ +static VALUE +dir_s_aref(int argc, VALUE *argv, VALUE obj) +{ + if (argc == 1) { + return rb_push_glob(argv[0], 0); + } + return dir_globs(argc, argv, 0); +} + +/* + * call-seq: + * Dir.glob( pattern, [flags] ) -> matches + * Dir.glob( pattern, [flags] ) { |filename| block } -> nil + * + * Expands +pattern+, which is an Array of patterns or a pattern String, and + * returns the results as +matches+ or as arguments given to the block. + * + * Note that this pattern is not a regexp, it's closer to a shell glob. See + * File::fnmatch for the meaning of the +flags+ parameter. Note that case + * sensitivity depends on your system (so File::FNM_CASEFOLD is ignored), as + * does the order in which the results are returned. + * + * <code>*</code>:: + * Matches any file. Can be restricted by other values in the glob. + * Equivalent to <code>/ .* /x</code> in regexp. + * + * <code>*</code>:: Matches all files + * <code>c*</code>:: Matches all files beginning with <code>c</code> + * <code>*c</code>:: Matches all files ending with <code>c</code> + * <code>\*c\*</code>:: Match all files that have <code>c</code> in them + * (including at the beginning or end). + * + * Note, this will not match Unix-like hidden files (dotfiles). In order + * to include those in the match results, you must use the + * File::FNM_DOTMATCH flag or something like <code>"{*,.*}"</code>. + * + * <code>**</code>:: + * Matches directories recursively. + * + * <code>?</code>:: + * Matches any one character. Equivalent to <code>/.{1}/</code> in regexp. + * + * <code>[set]</code>:: + * Matches any one character in +set+. Behaves exactly like character sets + * in Regexp, including set negation (<code>[^a-z]</code>). + * + * <code>{p,q}</code>:: + * Matches either literal <code>p</code> or literal <code>q</code>. + * Equivalent to pattern alternation in regexp. + * + * Matching literals may be more than one character in length. More than + * two literals may be specified. + * + * <code> \\ </code>:: + * Escapes the next metacharacter. + * + * Note that this means you cannot use backslash on windows as part of a + * glob, i.e. <code>Dir["c:\\foo*"]</code> will not work, use + * <code>Dir["c:/foo*"]</code> instead. + * + * Examples: + * + * Dir["config.?"] #=> ["config.h"] + * Dir.glob("config.?") #=> ["config.h"] + * Dir.glob("*.[a-z][a-z]") #=> ["main.rb"] + * Dir.glob("*.[^r]*") #=> ["config.h"] + * Dir.glob("*.{rb,h}") #=> ["main.rb", "config.h"] + * Dir.glob("*") #=> ["config.h", "main.rb"] + * Dir.glob("*", File::FNM_DOTMATCH) #=> [".", "..", "config.h", "main.rb"] + * + * rbfiles = File.join("**", "*.rb") + * Dir.glob(rbfiles) #=> ["main.rb", + * # "lib/song.rb", + * # "lib/song/karaoke.rb"] + * libdirs = File.join("**", "lib") + * Dir.glob(libdirs) #=> ["lib"] + * + * librbfiles = File.join("**", "lib", "**", "*.rb") + * Dir.glob(librbfiles) #=> ["lib/song.rb", + * # "lib/song/karaoke.rb"] + * + * librbfiles = File.join("**", "lib", "*.rb") + * Dir.glob(librbfiles) #=> ["lib/song.rb"] + */ +static VALUE +dir_s_glob(int argc, VALUE *argv, VALUE obj) +{ + VALUE str, rflags, ary; + int flags; + + if (rb_scan_args(argc, argv, "11", &str, &rflags) == 2) + flags = NUM2INT(rflags); + else + flags = 0; + + ary = rb_check_array_type(str); + if (NIL_P(ary)) { + ary = rb_push_glob(str, flags); + } + else { + VALUE v = ary; + ary = dir_globs(RARRAY_LEN(v), RARRAY_CONST_PTR(v), flags); + RB_GC_GUARD(v); + } + + if (rb_block_given_p()) { + rb_ary_each(ary); + return Qnil; + } + return ary; +} + +static VALUE +dir_open_dir(int argc, VALUE *argv) +{ + VALUE dir = rb_funcall2(rb_cDir, rb_intern("open"), argc, argv); + + rb_check_typeddata(dir, &dir_data_type); + return dir; +} + + +/* + * call-seq: + * Dir.foreach( dirname ) {| filename | block } -> nil + * Dir.foreach( dirname, encoding: enc ) {| filename | block } -> nil + * Dir.foreach( dirname ) -> an_enumerator + * Dir.foreach( dirname, encoding: enc ) -> an_enumerator + * + * Calls the block once for each entry in the named directory, passing + * the filename of each entry as a parameter to the block. + * + * If no block is given, an enumerator is returned instead. + * + * Dir.foreach("testdir") {|x| puts "Got #{x}" } + * + * <em>produces:</em> + * + * Got . + * Got .. + * Got config.h + * Got main.rb + * + */ +static VALUE +dir_foreach(int argc, VALUE *argv, VALUE io) +{ + VALUE dir; + + RETURN_ENUMERATOR(io, argc, argv); + dir = dir_open_dir(argc, argv); + rb_ensure(dir_each, dir, dir_close, dir); + return Qnil; +} + +/* + * call-seq: + * Dir.entries( dirname ) -> array + * Dir.entries( dirname, encoding: enc ) -> array + * + * Returns an array containing all of the filenames in the given + * directory. Will raise a <code>SystemCallError</code> if the named + * directory doesn't exist. + * + * The optional <i>enc</i> argument specifies the encoding of the directory. + * If not specified, the filesystem encoding is used. + * + * Dir.entries("testdir") #=> [".", "..", "config.h", "main.rb"] + * + */ +static VALUE +dir_entries(int argc, VALUE *argv, VALUE io) +{ + VALUE dir; + + dir = dir_open_dir(argc, argv); + return rb_ensure(rb_Array, dir, dir_close, dir); +} + +static int +fnmatch_brace(const char *pattern, VALUE val, void *enc) +{ + struct brace_args *arg = (struct brace_args *)val; + VALUE path = arg->value; + rb_encoding *enc_pattern = enc; + rb_encoding *enc_path = rb_enc_get(path); + + if (enc_pattern != enc_path) { + if (!rb_enc_asciicompat(enc_pattern)) + return FNM_NOMATCH; + if (!rb_enc_asciicompat(enc_path)) + return FNM_NOMATCH; + if (!rb_enc_str_asciionly_p(path)) { + int cr = ENC_CODERANGE_7BIT; + long len = strlen(pattern); + if (rb_str_coderange_scan_restartable(pattern, pattern + len, + enc_pattern, &cr) != len) + return FNM_NOMATCH; + if (cr != ENC_CODERANGE_7BIT) + return FNM_NOMATCH; + } + } + return (fnmatch(pattern, enc, RSTRING_PTR(path), arg->flags) == 0); +} + +/* + * call-seq: + * File.fnmatch( pattern, path, [flags] ) -> (true or false) + * File.fnmatch?( pattern, path, [flags] ) -> (true or false) + * + * Returns true if +path+ matches against +pattern+. The pattern is not a + * regular expression; instead it follows rules similar to shell filename + * globbing. It may contain the following metacharacters: + * + * <code>*</code>:: + * Matches any file. Can be restricted by other values in the glob. + * Equivalent to <code>/ .* /x</code> in regexp. + * + * <code>*</code>:: Matches all files regular files + * <code>c*</code>:: Matches all files beginning with <code>c</code> + * <code>*c</code>:: Matches all files ending with <code>c</code> + * <code>\*c*</code>:: Matches all files that have <code>c</code> in them + * (including at the beginning or end). + * + * To match hidden files (that start with a <code>.</code> set the + * File::FNM_DOTMATCH flag. + * + * <code>**</code>:: + * Matches directories recursively or files expansively. + * + * <code>?</code>:: + * Matches any one character. Equivalent to <code>/.{1}/</code> in regexp. + * + * <code>[set]</code>:: + * Matches any one character in +set+. Behaves exactly like character sets + * in Regexp, including set negation (<code>[^a-z]</code>). + * + * <code> \ </code>:: + * Escapes the next metacharacter. + * + * <code>{a,b}</code>:: + * Matches pattern a and pattern b if File::FNM_EXTGLOB flag is enabled. + * Behaves like a Regexp union (<code>(?:a|b)</code>). + * + * +flags+ is a bitwise OR of the <code>FNM_XXX</code> constants. The same + * glob pattern and flags are used by Dir::glob. + * + * Examples: + * + * File.fnmatch('cat', 'cat') #=> true # match entire string + * File.fnmatch('cat', 'category') #=> false # only match partial string + * + * File.fnmatch('c{at,ub}s', 'cats') #=> false # { } isn't supported by default + * File.fnmatch('c{at,ub}s', 'cats', File::FNM_EXTGLOB) #=> true # { } is supported on FNM_EXTGLOB + * + * File.fnmatch('c?t', 'cat') #=> true # '?' match only 1 character + * File.fnmatch('c??t', 'cat') #=> false # ditto + * File.fnmatch('c*', 'cats') #=> true # '*' match 0 or more characters + * File.fnmatch('c*t', 'c/a/b/t') #=> true # ditto + * File.fnmatch('ca[a-z]', 'cat') #=> true # inclusive bracket expression + * File.fnmatch('ca[^t]', 'cat') #=> false # exclusive bracket expression ('^' or '!') + * + * File.fnmatch('cat', 'CAT') #=> false # case sensitive + * File.fnmatch('cat', 'CAT', File::FNM_CASEFOLD) #=> true # case insensitive + * + * File.fnmatch('?', '/', File::FNM_PATHNAME) #=> false # wildcard doesn't match '/' on FNM_PATHNAME + * File.fnmatch('*', '/', File::FNM_PATHNAME) #=> false # ditto + * File.fnmatch('[/]', '/', File::FNM_PATHNAME) #=> false # ditto + * + * File.fnmatch('\?', '?') #=> true # escaped wildcard becomes ordinary + * File.fnmatch('\a', 'a') #=> true # escaped ordinary remains ordinary + * File.fnmatch('\a', '\a', File::FNM_NOESCAPE) #=> true # FNM_NOESCAPE makes '\' ordinary + * File.fnmatch('[\?]', '?') #=> true # can escape inside bracket expression + * + * File.fnmatch('*', '.profile') #=> false # wildcard doesn't match leading + * File.fnmatch('*', '.profile', File::FNM_DOTMATCH) #=> true # period by default. + * File.fnmatch('.*', '.profile') #=> true + * + * rbfiles = '**' '/' '*.rb' # you don't have to do like this. just write in single string. + * File.fnmatch(rbfiles, 'main.rb') #=> false + * File.fnmatch(rbfiles, './main.rb') #=> false + * File.fnmatch(rbfiles, 'lib/song.rb') #=> true + * File.fnmatch('**.rb', 'main.rb') #=> true + * File.fnmatch('**.rb', './main.rb') #=> false + * File.fnmatch('**.rb', 'lib/song.rb') #=> true + * File.fnmatch('*', 'dave/.profile') #=> true + * + * pattern = '*' '/' '*' + * File.fnmatch(pattern, 'dave/.profile', File::FNM_PATHNAME) #=> false + * File.fnmatch(pattern, 'dave/.profile', File::FNM_PATHNAME | File::FNM_DOTMATCH) #=> true + * + * pattern = '**' '/' 'foo' + * File.fnmatch(pattern, 'a/b/c/foo', File::FNM_PATHNAME) #=> true + * File.fnmatch(pattern, '/a/b/c/foo', File::FNM_PATHNAME) #=> true + * File.fnmatch(pattern, 'c:/a/b/c/foo', File::FNM_PATHNAME) #=> true + * File.fnmatch(pattern, 'a/.b/c/foo', File::FNM_PATHNAME) #=> false + * File.fnmatch(pattern, 'a/.b/c/foo', File::FNM_PATHNAME | File::FNM_DOTMATCH) #=> true + */ +static VALUE +file_s_fnmatch(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); + FilePathStringValue(path); + + if (flags & FNM_EXTGLOB) { + struct brace_args args; + + args.value = path; + args.flags = flags; + if (ruby_brace_expand(RSTRING_PTR(pattern), flags, fnmatch_brace, + (VALUE)&args, rb_enc_get(pattern)) > 0) + return Qtrue; + } + else { + rb_encoding *enc = rb_enc_compatible(pattern, path); + if (!enc) return Qfalse; + if (fnmatch(RSTRING_PTR(pattern), enc, RSTRING_PTR(path), flags) == 0) + return Qtrue; + } + RB_GC_GUARD(pattern); + + return Qfalse; +} + +/* + * call-seq: + * Dir.home() -> "/home/me" + * Dir.home("root") -> "/root" + * + * Returns the home directory of the current user or the named user + * if given. + */ +static VALUE +dir_s_home(int argc, VALUE *argv, VALUE obj) +{ + VALUE user; + const char *u = 0; + + rb_check_arity(argc, 0, 1); + user = (argc > 0) ? argv[0] : Qnil; + if (!NIL_P(user)) { + SafeStringValue(user); + rb_must_asciicompat(user); + u = StringValueCStr(user); + if (*u) { + return rb_home_dir_of(user, rb_str_new(0, 0)); + } + } + return rb_default_home_dir(rb_str_new(0, 0)); + +} + +#if 0 +/* + * call-seq: + * Dir.exist?(file_name) -> true or false + * + * Returns <code>true</code> if the named file is a directory, + * <code>false</code> otherwise. + * + */ +VALUE +rb_file_directory_p(void) +{ +} +#endif + +/* + * call-seq: + * Dir.exists?(file_name) -> true or false + * + * Deprecated method. Don't use. + */ +static VALUE +rb_dir_exists_p(VALUE obj, VALUE fname) +{ + rb_warning("Dir.exists? is a deprecated name, use Dir.exist? instead"); + return rb_file_directory_p(obj, fname); +} + +/* + * Objects of class <code>Dir</code> are directory streams representing + * directories in the underlying file system. They provide a variety of + * ways to list directories and their contents. See also + * <code>File</code>. + * + * The directory used in these examples contains the two regular files + * (<code>config.h</code> and <code>main.rb</code>), the parent + * directory (<code>..</code>), and the directory itself + * (<code>.</code>). + */ +void +Init_Dir(void) +{ + rb_cDir = rb_define_class("Dir", rb_cObject); + + rb_include_module(rb_cDir, rb_mEnumerable); + + rb_define_alloc_func(rb_cDir, dir_s_alloc); + 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,"fileno", dir_fileno, 0); + rb_define_method(rb_cDir,"path", dir_path, 0); + rb_define_method(rb_cDir,"to_path", dir_path, 0); + rb_define_method(rb_cDir,"inspect", dir_inspect, 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,"home", dir_s_home, -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_cDir,"exist?", rb_file_directory_p, 1); + rb_define_singleton_method(rb_cDir,"exists?", rb_dir_exists_p, 1); + + rb_define_singleton_method(rb_cFile,"fnmatch", file_s_fnmatch, -1); + rb_define_singleton_method(rb_cFile,"fnmatch?", file_s_fnmatch, -1); + + /* Document-const: File::Constants::FNM_NOESCAPE + * + * Disables escapes in File.fnmatch and Dir.glob patterns + */ + rb_file_const("FNM_NOESCAPE", INT2FIX(FNM_NOESCAPE)); + + /* Document-const: File::Constants::FNM_PATHNAME + * + * Wildcards in File.fnmatch and Dir.glob patterns do not match directory + * separators + */ + rb_file_const("FNM_PATHNAME", INT2FIX(FNM_PATHNAME)); + + /* Document-const: File::Constants::FNM_DOTMATCH + * + * The '*' wildcard matches filenames starting with "." in File.fnmatch + * and Dir.glob patterns + */ + rb_file_const("FNM_DOTMATCH", INT2FIX(FNM_DOTMATCH)); + + /* Document-const: File::Constants::FNM_CASEFOLD + * + * Makes File.fnmatch patterns case insensitive (but not Dir.glob + * patterns). + */ + rb_file_const("FNM_CASEFOLD", INT2FIX(FNM_CASEFOLD)); + + /* Document-const: File::Constants::FNM_EXTGLOB + * + * Allows file globbing through "{a,b}" in File.fnmatch patterns. + */ + rb_file_const("FNM_EXTGLOB", INT2FIX(FNM_EXTGLOB)); + + /* Document-const: File::Constants::FNM_SYSCASE + * + * System default case insensitiveness, equals to FNM_CASEFOLD or + * 0. + */ + rb_file_const("FNM_SYSCASE", INT2FIX(FNM_SYSCASE)); +} |