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-rw-r--r--ruby_1_8_6/dir.c2002
1 files changed, 0 insertions, 2002 deletions
diff --git a/ruby_1_8_6/dir.c b/ruby_1_8_6/dir.c
deleted file mode 100644
index 0dd12ffd7d..0000000000
--- a/ruby_1_8_6/dir.c
+++ /dev/null
@@ -1,2002 +0,0 @@
-/**********************************************************************
-
- dir.c -
-
- $Author$
- $Date$
- created at: Wed Jan 5 09:51:01 JST 1994
-
- Copyright (C) 1993-2003 Yukihiro Matsumoto
- Copyright (C) 2000 Network Applied Communication Laboratory, Inc.
- Copyright (C) 2000 Information-technology Promotion Agency, Japan
-
-**********************************************************************/
-
-#include "ruby.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
-# if !defined __NeXT__
-# define NAMLEN(dirent) (dirent)->d_namlen
-# else
-# /* On some versions of NextStep, d_namlen is always zero, so avoid it. */
-# define NAMLEN(dirent) strlen((dirent)->d_name)
-# endif
-# 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
-
-#include <errno.h>
-
-#ifndef HAVE_STDLIB_H
-char *getenv();
-#endif
-
-#ifndef HAVE_STRING_H
-char *strchr _((char*,char));
-#endif
-
-#include <ctype.h>
-
-#include "util.h"
-
-#if !defined HAVE_LSTAT && !defined lstat
-#define lstat stat
-#endif
-
-#ifndef CASEFOLD_FILESYSTEM
-# if defined DOSISH || defined __VMS
-# define CASEFOLD_FILESYSTEM 1
-# else
-# define CASEFOLD_FILESYSTEM 0
-# endif
-#endif
-
-#define FNM_NOESCAPE 0x01
-#define FNM_PATHNAME 0x02
-#define FNM_DOTMATCH 0x04
-#define FNM_CASEFOLD 0x08
-#if CASEFOLD_FILESYSTEM
-#define FNM_SYSCASE FNM_CASEFOLD
-#else
-#define FNM_SYSCASE 0
-#endif
-
-#define FNM_NOMATCH 1
-#define FNM_ERROR 2
-
-#define downcase(c) (nocase && ISUPPER(c) ? tolower(c) : (c))
-#define compare(c1, c2) (((unsigned char)(c1)) - ((unsigned char)(c2)))
-
-/* caution: in case *p == '\0'
- Next(p) == p + 1 in single byte environment
- Next(p) == p in multi byte environment
-*/
-#if defined(CharNext)
-# define Next(p) CharNext(p)
-#elif defined(DJGPP)
-# define Next(p) ((p) + mblen(p, RUBY_MBCHAR_MAXSIZE))
-#elif defined(__EMX__)
-# define Next(p) ((p) + emx_mblen(p))
-static inline int
-emx_mblen(const char *p)
-{
- int n = mblen(p, RUBY_MBCHAR_MAXSIZE);
- return (n < 0) ? 1 : n;
-}
-#endif
-
-#ifndef Next /* single byte environment */
-# define Next(p) ((p) + 1)
-# define Inc(p) (++(p))
-# define Compare(p1, p2) (compare(downcase(*(p1)), downcase(*(p2))))
-#else /* multi byte environment */
-# define Inc(p) ((p) = Next(p))
-# define Compare(p1, p2) (CompareImpl(p1, p2, nocase))
-static int
-CompareImpl(const char *p1, const char *p2, int nocase)
-{
- const int len1 = Next(p1) - p1;
- const int len2 = Next(p2) - p2;
-#ifdef _WIN32
- char buf1[10], buf2[10]; /* large enough? */
-#endif
-
- if (len1 < 0 || len2 < 0) {
- rb_fatal("CompareImpl: negative len");
- }
-
- if (len1 == 0) return len2;
- if (len2 == 0) return -len1;
-
-#ifdef _WIN32
- if (nocase && rb_w32_iswinnt()) {
- if (len1 > 1) {
- if (len1 >= sizeof(buf1)) {
- rb_fatal("CompareImpl: too large len");
- }
- memcpy(buf1, p1, len1);
- buf1[len1] = '\0';
- CharLower(buf1);
- p1 = buf1; /* trick */
- }
- if (len2 > 1) {
- if (len2 >= sizeof(buf2)) {
- rb_fatal("CompareImpl: too large len");
- }
- memcpy(buf2, p2, len2);
- buf2[len2] = '\0';
- CharLower(buf2);
- p2 = buf2; /* trick */
- }
- }
-#endif
- if (len1 == 1)
- if (len2 == 1)
- return compare(downcase(*p1), downcase(*p2));
- else {
- const int ret = compare(downcase(*p1), *p2);
- return ret ? ret : -1;
- }
- else
- if (len2 == 1) {
- const int ret = compare(*p1, downcase(*p2));
- return ret ? ret : 1;
- }
- else {
- const int ret = memcmp(p1, p2, len1 < len2 ? len1 : len2);
- return ret ? ret : len1 - len2;
- }
-}
-#endif /* environment */
-
-static char *
-bracket(p, s, flags)
- const char *p; /* pattern (next to '[') */
- const char *s; /* string */
- int flags;
-{
- const int nocase = flags & FNM_CASEFOLD;
- const int escape = !(flags & FNM_NOESCAPE);
-
- int ok = 0, not = 0;
-
- if (*p == '!' || *p == '^') {
- not = 1;
- p++;
- }
-
- while (*p != ']') {
- const char *t1 = p;
- if (escape && *t1 == '\\')
- t1++;
- if (!*t1)
- return NULL;
- p = Next(t1);
- if (p[0] == '-' && p[1] != ']') {
- const char *t2 = p + 1;
- if (escape && *t2 == '\\')
- t2++;
- if (!*t2)
- return NULL;
- p = Next(t2);
- if (!ok && Compare(t1, s) <= 0 && Compare(s, t2) <= 0)
- ok = 1;
- }
- else
- if (!ok && Compare(t1, s) == 0)
- 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(pcur, scur, flags)
- const char **pcur; /* pattern */
- const char **scur; /* string */
- int flags;
-{
- 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 *s = *scur;
-
- 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);
- continue;
-
- case '[': {
- const char *t;
- if (ISEND(s))
- RETURN(FNM_NOMATCH);
- if (t = bracket(p + 1, s, flags)) {
- p = t;
- Inc(s);
- continue;
- }
- goto failed;
- }
- }
-
- /* ordinary */
- p = UNESCAPE(p);
- if (ISEND(s))
- RETURN(ISEND(p) ? 0 : FNM_NOMATCH);
- if (ISEND(p))
- goto failed;
- if (Compare(p, s) != 0)
- goto failed;
- Inc(p);
- Inc(s);
- continue;
-
- failed: /* try next '*' position */
- if (ptmp && stmp) {
- p = ptmp;
- Inc(stmp); /* !ISEND(*stmp) */
- s = stmp;
- continue;
- }
- RETURN(FNM_NOMATCH);
- }
-}
-
-static int
-fnmatch(p, s, flags)
- const char *p; /* pattern */
- const char *s; /* string */
- int flags;
-{
- 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) == 0) {
- while (*s && *s != '/') Inc(s);
- 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);
- if (*stmp) {
- p = ptmp;
- stmp++;
- s = stmp;
- continue;
- }
- }
- return FNM_NOMATCH;
- }
- }
- else
- return fnmatch_helper(&p, &s, flags);
-}
-
-VALUE rb_cDir;
-
-struct dir_data {
- DIR *dir;
- char *path;
-};
-
-static void
-free_dir(dir)
- struct dir_data *dir;
-{
- if (dir) {
- if (dir->dir) closedir(dir->dir);
- if (dir->path) free(dir->path);
- }
- free(dir);
-}
-
-static VALUE dir_close _((VALUE));
-
-static VALUE dir_s_alloc _((VALUE));
-static VALUE
-dir_s_alloc(klass)
- VALUE klass;
-{
- struct dir_data *dirp;
- VALUE obj = Data_Make_Struct(klass, struct dir_data, 0, free_dir, dirp);
-
- dirp->dir = NULL;
- dirp->path = NULL;
-
- return obj;
-}
-
-/*
- * call-seq:
- * Dir.new( string ) -> aDir
- *
- * Returns a new directory object for the named directory.
- */
-static VALUE
-dir_initialize(dir, dirname)
- VALUE dir, dirname;
-{
- struct dir_data *dp;
-
- SafeStringValue(dirname);
- Data_Get_Struct(dir, struct dir_data, dp);
- if (dp->dir) closedir(dp->dir);
- if (dp->path) free(dp->path);
- dp->dir = NULL;
- dp->path = NULL;
- dp->dir = opendir(RSTRING(dirname)->ptr);
- if (dp->dir == NULL) {
- if (errno == EMFILE || errno == ENFILE) {
- rb_gc();
- dp->dir = opendir(RSTRING(dirname)->ptr);
- }
- if (dp->dir == NULL) {
- rb_sys_fail(RSTRING(dirname)->ptr);
- }
- }
- dp->path = strdup(RSTRING(dirname)->ptr);
-
- return dir;
-}
-
-/*
- * call-seq:
- * Dir.open( string ) => aDir
- * Dir.open( string ) {| aDir | block } => anObject
- *
- * 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(klass, dirname)
- VALUE klass, dirname;
-{
- struct dir_data *dp;
- VALUE dir = Data_Make_Struct(klass, struct dir_data, 0, free_dir, dp);
-
- dir_initialize(dir, dirname);
- if (rb_block_given_p()) {
- return rb_ensure(rb_yield, dir, dir_close, dir);
- }
-
- return dir;
-}
-
-static void
-dir_closed()
-{
- rb_raise(rb_eIOError, "closed directory");
-}
-
-static void
-dir_check(dir)
- VALUE dir;
-{
- if (!OBJ_TAINTED(dir) && rb_safe_level() >= 4)
- rb_raise(rb_eSecurityError, "Insecure: operation on untainted Dir");
- rb_check_frozen(dir);
-}
-
-#define GetDIR(obj, dirp) do {\
- dir_check(dir);\
- Data_Get_Struct(obj, struct dir_data, dirp);\
- if (dirp->dir == NULL) dir_closed();\
-} while (0)
-
-/*
- * call-seq:
- * dir.inspect => string
- *
- * Return a string describing this Dir object.
- */
-static VALUE
-dir_inspect(dir)
- VALUE dir;
-{
- struct dir_data *dirp;
-
- GetDIR(dir, dirp);
- if (dirp->path) {
- char *c = rb_obj_classname(dir);
- int len = strlen(c) + strlen(dirp->path) + 4;
- VALUE s = rb_str_new(0, len);
- snprintf(RSTRING_PTR(s), len+1, "#<%s:%s>", c, dirp->path);
- return s;
- }
- return rb_funcall(dir, rb_intern("to_s"), 0, 0);
-}
-
-/*
- * call-seq:
- * dir.path => string or nil
- *
- * Returns the path parameter passed to <em>dir</em>'s constructor.
- *
- * d = Dir.new("..")
- * d.path #=> ".."
- */
-static VALUE
-dir_path(dir)
- VALUE dir;
-{
- struct dir_data *dirp;
-
- GetDIR(dir, dirp);
- if (!dirp->path) return Qnil;
- return rb_str_new2(dirp->path);
-}
-
-/*
- * 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(dir)
- VALUE dir;
-{
- struct dir_data *dirp;
- struct dirent *dp;
-
- GetDIR(dir, dirp);
- errno = 0;
- dp = readdir(dirp->dir);
- if (dp) {
- return rb_tainted_str_new(dp->d_name, NAMLEN(dp));
- }
- else if (errno == 0) { /* end of stream */
- return Qnil;
- }
- else {
- rb_sys_fail(0);
- }
- return Qnil; /* not reached */
-}
-
-/*
- * call-seq:
- * dir.each { |filename| block } => dir
- *
- * Calls the block once for each entry in this directory, passing the
- * filename of each entry as a parameter to the block.
- *
- * 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(dir)
- VALUE dir;
-{
- struct dir_data *dirp;
- struct dirent *dp;
-
- GetDIR(dir, dirp);
- rewinddir(dirp->dir);
- for (dp = readdir(dirp->dir); dp != NULL; dp = readdir(dirp->dir)) {
- rb_yield(rb_tainted_str_new(dp->d_name, NAMLEN(dp)));
- if (dirp->dir == NULL) dir_closed();
- }
- return dir;
-}
-
-/*
- * 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(dir)
- VALUE dir;
-{
-#ifdef HAVE_TELLDIR
- struct dir_data *dirp;
- long pos;
-
- GetDIR(dir, dirp);
- pos = telldir(dirp->dir);
- return rb_int2inum(pos);
-#else
- rb_notimplement();
-#endif
-}
-
-/*
- * 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(dir, pos)
- VALUE dir, pos;
-{
- struct dir_data *dirp;
- off_t p = NUM2OFFT(pos);
-
- GetDIR(dir, dirp);
-#ifdef HAVE_SEEKDIR
- seekdir(dirp->dir, p);
- return dir;
-#else
- rb_notimplement();
-#endif
-}
-
-/*
- * 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(dir, pos)
- VALUE dir, pos;
-{
- dir_seek(dir, pos);
- return pos;
-}
-
-/*
- * 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(dir)
- VALUE dir;
-{
- struct dir_data *dirp;
-
- if (rb_safe_level() >= 4 && !OBJ_TAINTED(dir)) {
- rb_raise(rb_eSecurityError, "Insecure: can't close");
- }
- 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(dir)
- VALUE dir;
-{
- struct dir_data *dirp;
-
- GetDIR(dir, dirp);
- closedir(dirp->dir);
- dirp->dir = NULL;
-
- return Qnil;
-}
-
-static void
-dir_chdir(path)
- VALUE path;
-{
- if (chdir(RSTRING(path)->ptr) < 0)
- rb_sys_fail(RSTRING(path)->ptr);
-}
-
-static int chdir_blocking = 0;
-static VALUE chdir_thread = Qnil;
-
-struct chdir_data {
- VALUE old_path, new_path;
- int done;
-};
-
-static VALUE
-chdir_yield(args)
- struct chdir_data *args;
-{
- dir_chdir(args->new_path);
- args->done = Qtrue;
- chdir_blocking++;
- if (chdir_thread == Qnil)
- chdir_thread = rb_thread_current();
- return rb_yield(args->new_path);
-}
-
-static VALUE
-chdir_restore(args)
- 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(argc, argv, obj)
- int argc;
- VALUE *argv;
- VALUE obj;
-{
- VALUE path = Qnil;
-
- rb_secure(2);
- if (rb_scan_args(argc, argv, "01", &path) == 1) {
- SafeStringValue(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;
- char *cwd = my_getcwd();
-
- args.old_path = rb_tainted_str_new2(cwd); free(cwd);
- args.new_path = path;
- args.done = Qfalse;
- return rb_ensure(chdir_yield, (VALUE)&args, chdir_restore, (VALUE)&args);
- }
- dir_chdir(path);
-
- return INT2FIX(0);
-}
-
-/*
- * 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"
- */
-static VALUE
-dir_s_getwd(dir)
- VALUE dir;
-{
- char *path;
- VALUE cwd;
-
- rb_secure(4);
- path = my_getcwd();
- cwd = rb_tainted_str_new2(path);
-
- free(path);
- return cwd;
-}
-
-static void check_dirname _((volatile VALUE *));
-static void
-check_dirname(dir)
- volatile VALUE *dir;
-{
- char *path, *pend;
-
- SafeStringValue(*dir);
- rb_secure(2);
- path = RSTRING(*dir)->ptr;
- if (path && *(pend = rb_path_end(rb_path_skip_prefix(path)))) {
- *dir = rb_str_new(path, pend - path);
- }
-}
-
-/*
- * 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(dir, path)
- VALUE dir, path;
-{
-#if defined(HAVE_CHROOT) && !defined(__CHECKER__)
- check_dirname(&path);
-
- if (chroot(RSTRING(path)->ptr) == -1)
- rb_sys_fail(RSTRING(path)->ptr);
-
- return INT2FIX(0);
-#else
- rb_notimplement();
- return Qnil; /* not reached */
-#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>.
- *
- */
-static VALUE
-dir_s_mkdir(argc, argv, obj)
- 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(path)->ptr, mode) == -1)
- rb_sys_fail(RSTRING(path)->ptr);
-
- 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(obj, dir)
- VALUE obj, dir;
-{
- check_dirname(&dir);
- if (rmdir(RSTRING(dir)->ptr) < 0)
- rb_sys_fail(RSTRING(dir)->ptr);
-
- return INT2FIX(0);
-}
-
-static void
-sys_warning_1(mesg)
- const char* mesg;
-{
- rb_sys_warning("%s", mesg);
-}
-
-#define GLOB_VERBOSE (1UL << (sizeof(int) * CHAR_BIT - 1))
-#define sys_warning(val) \
- (void)((flags & GLOB_VERBOSE) && rb_protect((VALUE (*)_((VALUE)))sys_warning_1, (VALUE)(val), 0))
-
-#define GLOB_ALLOC(type) (type *)malloc(sizeof(type))
-#define GLOB_ALLOC_N(type, n) (type *)malloc(sizeof(type) * (n))
-#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)
-
-/* System call with warning */
-static int
-do_stat(const char *path, struct stat *pst, int flags)
-
-{
- int ret = stat(path, pst);
- if (ret < 0 && !to_be_ignored(errno))
- sys_warning(path);
-
- return ret;
-}
-
-static int
-do_lstat(const char *path, struct stat *pst, int flags)
-{
- int ret = lstat(path, pst);
- if (ret < 0 && !to_be_ignored(errno))
- sys_warning(path);
-
- return ret;
-}
-
-static DIR *
-do_opendir(const char *path, int flags)
-{
- DIR *dirp = opendir(path);
- if (dirp == NULL && !to_be_ignored(errno))
- sys_warning(path);
-
- return dirp;
-}
-
-/* Return nonzero if S has any special globbing chars in it. */
-static int
-has_magic(s, flags)
- const char *s;
- int flags;
-{
- const int escape = !(flags & FNM_NOESCAPE);
- const int nocase = flags & FNM_CASEFOLD;
-
- register const char *p = s;
- register char c;
-
- while (c = *p++) {
- switch (c) {
- case '*':
- case '?':
- case '[':
- return 1;
-
- case '\\':
- if (escape && !(c = *p++))
- return 0;
- continue;
-
- default:
- if (!FNM_SYSCASE && ISALPHA(c) && nocase)
- return 1;
- }
-
- p = Next(p-1);
- }
-
- return 0;
-}
-
-/* Find separator in globbing pattern. */
-static char *
-find_dirsep(const char *s, int flags)
-{
- const int escape = !(flags & FNM_NOESCAPE);
-
- register const char *p = s;
- register char c;
- int open = 0;
-
- while (c = *p++) {
- 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);
- }
-
- return (char *)p-1;
-}
-
-/* Remove escaping backslashes */
-static void
-remove_backslashes(p)
- char *p;
-{
- 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);
- }
-
- while (*p++);
-
- if (t != s)
- memmove(t, s, p - s); /* move '\0' too */
-}
-
-/* Globing pattern */
-enum glob_pattern_type { PLAIN, MAGICAL, RECURSIVE, MATCH_ALL, MATCH_DIR };
-
-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, int flags)
-{
- struct glob_pattern *list, *tmp, **tail = &list;
- int dirsep = 0; /* pattern is terminated with '/' */
-
- while (*p) {
- tmp = GLOB_ALLOC(struct glob_pattern);
- if (!tmp) goto error;
- if (p[0] == '*' && p[1] == '*' && p[2] == '/') {
- /* fold continuous RECURSIVEs (needed in glob_helper) */
- do { p += 3; } while (p[0] == '*' && p[1] == '*' && p[2] == '/');
- tmp->type = RECURSIVE;
- tmp->str = 0;
- dirsep = 1;
- }
- else {
- const char *m = find_dirsep(p, flags);
- char *buf = GLOB_ALLOC_N(char, m-p+1);
- if (!buf) {
- free(tmp);
- goto error;
- }
- memcpy(buf, p, m-p);
- buf[m-p] = '\0';
- tmp->type = has_magic(buf, flags) ? MAGICAL : 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)
- free(tmp->str);
- free(tmp);
- }
-}
-
-static char *
-join_path(const char *path, int dirsep, const char *name)
-{
- long len = strlen(path);
- char *buf = GLOB_ALLOC_N(char, len+strlen(name)+(dirsep?1:0)+1);
-
- if (!buf) return 0;
- memcpy(buf, path, len);
- if (dirsep) {
- strcpy(buf+len, "/");
- len++;
- }
- strcpy(buf+len, name);
- return buf;
-}
-
-enum answer { YES, NO, UNKNOWN };
-
-#ifndef S_ISLNK
-# ifndef S_IFLNK
-# define S_ISLNK(m) (0)
-# else
-# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
-# endif
-#endif
-
-#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;
-}
-
-#define glob_call_func(func, path, arg) (*func)(path, arg)
-
-static int glob_helper _((const char *, int, enum answer, enum answer, struct glob_pattern **, struct glob_pattern **, int, ruby_glob_func *, VALUE));
-
-static int
-glob_helper(path, dirsep, exist, isdir, beg, end, flags, func, arg)
- 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;
-{
- 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);
-
- 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 MAGICAL:
- magical = 1;
- break;
- case MATCH_ALL:
- match_all = 1;
- break;
- case MATCH_DIR:
- match_dir = 1;
- break;
- case RECURSIVE:
- rb_bug("continuous RECURSIVEs");
- }
- }
-
- if (*path) {
- if (match_all && exist == UNKNOWN) {
- if (do_lstat(path, &st, flags) == 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) == 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);
- if (status) return status;
- }
- if (match_dir && isdir == YES) {
- char *tmp = join_path(path, dirsep, "");
- if (!tmp) return -1;
- status = glob_call_func(func, tmp, arg);
- free(tmp);
- if (status) return status;
- }
- }
-
- if (exist == NO || isdir == NO) return 0;
-
- if (magical || recursive) {
- struct dirent *dp;
- DIR *dirp = do_opendir(*path ? path : ".", flags);
- if (dirp == NULL) return 0;
-
- for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) {
- char *buf = join_path(path, dirsep, dp->d_name);
- enum answer new_isdir = UNKNOWN;
-
- if (!buf) {
- status = -1;
- break;
- }
- if (recursive && strcmp(dp->d_name, ".") != 0 && strcmp(dp->d_name, "..") != 0
- && fnmatch("*", dp->d_name, flags) == 0) {
-#ifndef _WIN32
- if (do_lstat(buf, &st, flags) == 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) {
- 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 */
- }
- if (p->type == PLAIN || p->type == MAGICAL) {
- if (fnmatch(p->str, dp->d_name, flags) == 0)
- *new_end++ = p->next;
- }
- }
-
- status = glob_helper(buf, 1, YES, new_isdir, new_beg, new_end, flags, func, arg);
- free(buf);
- free(new_beg);
- if (status) break;
- }
-
- closedir(dirp);
- }
- else if (plain) {
- struct glob_pattern **copy_beg, **copy_end, **cur2;
-
- 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 == PLAIN ? *cur : 0;
-
- for (cur = copy_beg; cur < copy_end; ++cur) {
- if (*cur) {
- char *buf;
- char *name;
- name = GLOB_ALLOC_N(char, strlen((*cur)->str) + 1);
- if (!name) {
- status = -1;
- break;
- }
- strcpy(name, (*cur)->str);
- if (escape) remove_backslashes(name);
-
- new_beg = new_end = GLOB_ALLOC_N(struct glob_pattern *, end - beg);
- if (!new_beg) {
- free(name);
- status = -1;
- break;
- }
- *new_end++ = (*cur)->next;
- for (cur2 = cur + 1; cur2 < copy_end; ++cur2) {
- if (*cur2 && fnmatch((*cur2)->str, name, flags) == 0) {
- *new_end++ = (*cur2)->next;
- *cur2 = 0;
- }
- }
-
- buf = join_path(path, dirsep, name);
- free(name);
- if (!buf) {
- free(new_beg);
- status = -1;
- break;
- }
- status = glob_helper(buf, 1, UNKNOWN, UNKNOWN, new_beg, new_end, flags, func, arg);
- free(buf);
- free(new_beg);
- if (status) break;
- }
- }
-
- free(copy_beg);
- }
-
- return status;
-}
-
-static int
-ruby_glob0(path, flags, func, arg)
- const char *path;
- int flags;
- ruby_glob_func *func;
- VALUE arg;
-{
- struct glob_pattern *list;
- const char *root, *start;
- char *buf;
- int n;
- int status;
-
- start = root = path;
- flags |= FNM_SYSCASE;
-#if defined DOSISH
- root = rb_path_skip_prefix(root);
-#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, flags);
- if (!list) {
- free(buf);
- return -1;
- }
- status = glob_helper(buf, 0, UNKNOWN, UNKNOWN, &list, &list + 1, flags, func, arg);
- glob_free_pattern(list);
- free(buf);
-
- return status;
-}
-
-int
-ruby_glob(path, flags, func, arg)
- const char *path;
- int flags;
- ruby_glob_func *func;
- VALUE arg;
-{
- return ruby_glob0(path, flags & ~GLOB_VERBOSE, func, arg);
-}
-
-static int rb_glob_caller _((const char *, VALUE));
-
-static int
-rb_glob_caller(path, a)
- const char *path;
- VALUE a;
-{
- int status;
- struct glob_args *args = (struct glob_args *)a;
-
- args->c = path;
- rb_protect(glob_func_caller, a, &status);
- return status;
-}
-
-static int
-rb_glob2(path, flags, func, arg)
- const char *path;
- int flags;
- void (*func) _((const char *, VALUE));
- VALUE arg;
-{
- struct glob_args args;
-
- args.func = func;
- args.v = arg;
-
- if (flags & FNM_SYSCASE) {
- rb_warning("Dir.glob() ignores File::FNM_CASEFOLD");
- }
-
- return ruby_glob0(path, flags | GLOB_VERBOSE, rb_glob_caller, (VALUE)&args);
-}
-
-void
-rb_glob(path, func, arg)
- const char *path;
- void (*func) _((const char*, VALUE));
- VALUE arg;
-{
- int status = rb_glob2(path, 0, func, arg);
- if (status) GLOB_JUMP_TAG(status);
-}
-
-static void push_pattern _((const char* path, VALUE ary));
-static void
-push_pattern(path, ary)
- const char *path;
- VALUE ary;
-{
- rb_ary_push(ary, rb_tainted_str_new2(path));
-}
-
-int
-ruby_brace_expand(str, flags, func, arg)
- const char *str;
- int flags;
- ruby_glob_func *func;
- VALUE arg;
-{
- const int escape = !(flags & FNM_NOESCAPE);
- const char *p = str;
- 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);
- }
-
- if (lbrace && rbrace) {
- char *buf = GLOB_ALLOC_N(char, strlen(s) + 1);
- 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);
- }
- memcpy(buf+shift, t, p-t);
- strcpy(buf+shift+(p-t), rbrace+1);
- status = ruby_brace_expand(buf, flags, func, arg);
- if (status) break;
- }
- free(buf);
- }
- else if (!lbrace && !rbrace) {
- status = (*func)(s, arg);
- }
-
- return status;
-}
-
-struct brace_args {
- ruby_glob_func *func;
- VALUE value;
- int flags;
-};
-
-static int glob_brace _((const char *, VALUE));
-static int
-glob_brace(path, val)
- const char *path;
- VALUE val;
-{
- struct brace_args *arg = (struct brace_args *)val;
-
- return ruby_glob0(path, arg->flags, arg->func, arg->value);
-}
-
-static int
-ruby_brace_glob0(str, flags, func, arg)
- const char *str;
- int flags;
- ruby_glob_func *func;
- VALUE arg;
-{
- struct brace_args args;
-
- args.func = func;
- args.value = arg;
- args.flags = flags;
- return ruby_brace_expand(str, flags, glob_brace, (VALUE)&args);
-}
-
-int
-ruby_brace_glob(str, flags, func, arg)
- const char *str;
- int flags;
- ruby_glob_func *func;
- VALUE arg;
-{
- return ruby_brace_glob0(str, flags & ~GLOB_VERBOSE, func, arg);
-}
-
-static int
-push_glob(VALUE ary, const char *str, int flags)
-{
- struct glob_args args;
-
- args.func = push_pattern;
- args.v = ary;
- return ruby_brace_glob0(str, flags | GLOB_VERBOSE, rb_glob_caller, (VALUE)&args);
-}
-
-static VALUE
-rb_push_glob(str, flags) /* '\0' is delimiter */
- VALUE str;
- int flags;
-{
- long offset = 0;
- VALUE ary;
-
- ary = rb_ary_new();
- SafeStringValue(str);
-
- while (offset < RSTRING_LEN(str)) {
- int status = push_glob(ary, RSTRING(str)->ptr + offset, flags);
- char *p, *pend;
- if (status) GLOB_JUMP_TAG(status);
- if (offset >= RSTRING_LEN(str)) break;
- p = RSTRING(str)->ptr + offset;
- p += strlen(p) + 1;
- pend = RSTRING(str)->ptr + RSTRING_LEN(str);
- while (p < pend && !*p)
- p++;
- offset = p - RSTRING(str)->ptr;
- }
-
- return ary;
-}
-
-static VALUE
-dir_globs(argc, argv, flags)
- long argc;
- VALUE *argv;
- int flags;
-{
- VALUE ary = rb_ary_new();
- long i;
-
- for (i = 0; i < argc; ++i) {
- int status;
- VALUE str = argv[i];
- StringValue(str);
- status = push_glob(ary, RSTRING(str)->ptr, flags);
- if (status) GLOB_JUMP_TAG(status);
- }
-
- return ary;
-}
-
-/*
- * call-seq:
- * Dir[ array ] => array
- * Dir[ string [, string ...] ] => array
- *
- * Equivalent to calling
- * <code>Dir.glob(</code><i>array,</i><code>0)</code> and
- * <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] ) => array
- * Dir.glob( pattern, [flags] ) {| filename | block } => nil
- *
- * Returns the filenames found by expanding <i>pattern</i> which is
- * an +Array+ of the patterns or the pattern +String+, either as an
- * <i>array</i> or as parameters to the block. Note that this pattern
- * is not a regexp (it's closer to a shell glob). See
- * <code>File::fnmatch</code> for the meaning of the <i>flags</i>
- * parameter. Note that case sensitivity depends on your system (so
- * <code>File::FNM_CASEFOLD</code> is ignored)
- *
- * <code>*</code>:: Matches any file. Can be restricted by
- * other values in the glob. <code>*</code>
- * will match all files; <code>c*</code> will
- * match all files beginning with
- * <code>c</code>; <code>*c</code> will match
- * all files ending with <code>c</code>; and
- * <code>*c*</code> will match all files that
- * have <code>c</code> in them (including at
- * the beginning or end). Equivalent to
- * <code>/ .* /x</code> in regexp.
- * <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>. Matching literals
- * may be more than one character in length.
- * More than two literals may be specified.
- * Equivalent to pattern alternation in
- * regexp.
- * <code>\</code>:: Escapes the next metacharacter.
- *
- * 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(argc, argv, obj)
- 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 {
- volatile VALUE v = ary;
- ary = dir_globs(RARRAY_LEN(v), RARRAY_PTR(v), flags);
- }
-
- if (rb_block_given_p()) {
- rb_ary_each(ary);
- return Qnil;
- }
- return ary;
-}
-
-static VALUE
-dir_open_dir(path)
- VALUE path;
-{
- VALUE dir = rb_funcall(rb_cDir, rb_intern("open"), 1, path);
-
- if (TYPE(dir) != T_DATA ||
- RDATA(dir)->dfree != (RUBY_DATA_FUNC)free_dir) {
- rb_raise(rb_eTypeError, "wrong argument type %s (expected Dir)",
- rb_obj_classname(dir));
- }
- return dir;
-}
-
-
-/*
- * call-seq:
- * Dir.foreach( dirname ) {| filename | block } => nil
- *
- * Calls the block once for each entry in the named directory, passing
- * the filename of each entry as a parameter to the block.
- *
- * Dir.foreach("testdir") {|x| puts "Got #{x}" }
- *
- * <em>produces:</em>
- *
- * Got .
- * Got ..
- * Got config.h
- * Got main.rb
- *
- */
-static VALUE
-dir_foreach(io, dirname)
- VALUE io, dirname;
-{
- VALUE dir;
-
- dir = dir_open_dir(dirname);
- rb_ensure(dir_each, dir, dir_close, dir);
- return Qnil;
-}
-
-/*
- * call-seq:
- * Dir.entries( dirname ) => 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.
- *
- * Dir.entries("testdir") #=> [".", "..", "config.h", "main.rb"]
- *
- */
-static VALUE
-dir_entries(io, dirname)
- VALUE io, dirname;
-{
- VALUE dir;
-
- dir = dir_open_dir(dirname);
- return rb_ensure(rb_Array, dir, dir_close, dir);
-}
-
-/*
- * call-seq:
- * File.fnmatch( pattern, path, [flags] ) => (true or false)
- * File.fnmatch?( pattern, path, [flags] ) => (true or false)
- *
- * Returns true if <i>path</i> matches against <i>pattern</i> 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. <code>*</code>
- * will match all files; <code>c*</code> will
- * match all files beginning with
- * <code>c</code>; <code>*c</code> will match
- * all files ending with <code>c</code>; and
- * <code>*c*</code> will match all files that
- * have <code>c</code> in them (including at
- * the beginning or end). Equivalent to
- * <code>/ .* /x</code> in regexp.
- * <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.
- *
- * <i>flags</i> is a bitwise OR of the <code>FNM_xxx</code>
- * parameters. The same glob pattern and flags are used by
- * <code>Dir::glob</code>.
- *
- * 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
- *
- * 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_NOESACPE 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(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;
-}
-
-/*
- * 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()
-{
- 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,"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));
- rb_file_const("FNM_SYSCASE", INT2FIX(FNM_SYSCASE));
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 05:53:21 +0000