VALUE
rb_file_expand_path_internal(VALUE fname, VALUE dname, int abs_mode, int long_name, VALUE result)
{
size_t size = 0, wpath_len = 0, wdir_len = 0, whome_len = 0;
size_t buffer_len = 0;
char *fullpath = NULL;
wchar_t *wfullpath = NULL, *wpath = NULL, *wpath_pos = NULL;
wchar_t *wdir = NULL, *wdir_pos = NULL;
wchar_t *whome = NULL, *buffer = NULL, *buffer_pos = NULL;
UINT path_cp, cp;
VALUE path = fname, dir = dname;
wchar_t wfullpath_buffer[PATH_BUFFER_SIZE];
wchar_t path_drive = L'\0', dir_drive = L'\0';
int ignore_dir = 0;
rb_encoding *path_encoding;
int tainted = 0;
/* tainted if path is tainted */
tainted = OBJ_TAINTED(path);
/* get path encoding */
if (NIL_P(dir)) {
path_encoding = rb_enc_get(path);
}
else {
path_encoding = rb_enc_check(path, dir);
}
cp = path_cp = code_page(path_encoding);
/* workaround invalid codepage */
if (path_cp == INVALID_CODE_PAGE) {
cp = CP_UTF8;
if (!NIL_P(path)) {
path = fix_string_encoding(path, path_encoding);
}
}
/* convert char * to wchar_t */
convert_mb_to_wchar(path, &wpath, &wpath_pos, &wpath_len, cp);
/* determine if we need the user's home directory */
/* expand '~' only if NOT rb_file_absolute_path() where `abs_mode` is 1 */
if (abs_mode == 0 && wpath_len > 0 && wpath_pos[0] == L'~' &&
(wpath_len == 1 || IS_DIR_SEPARATOR_P(wpath_pos[1]))) {
/* tainted if expanding '~' */
tainted = 1;
whome = home_dir();
if (whome == NULL) {
xfree(wpath);
rb_raise(rb_eArgError, "couldn't find HOME environment -- expanding `~'");
}
whome_len = wcslen(whome);
if (PathIsRelativeW(whome) && !(whome_len >= 2 && IS_DIR_UNC_P(whome))) {
xfree(wpath);
rb_raise(rb_eArgError, "non-absolute home");
}
/* use filesystem encoding if expanding home dir */
path_encoding = rb_filesystem_encoding();
cp = path_cp = system_code_page();
/* ignores dir since we are expading home */
ignore_dir = 1;
/* exclude ~ from the result */
wpath_pos++;
wpath_len--;
/* exclude separator if present */
if (wpath_len && IS_DIR_SEPARATOR_P(wpath_pos[0])) {
wpath_pos++;
wpath_len--;
}
}
else if (wpath_len >= 2 && wpath_pos[1] == L':') {
if (wpath_len >= 3 && IS_DIR_SEPARATOR_P(wpath_pos[2])) {
/* ignore dir since path contains a drive letter and a root slash */
ignore_dir = 1;
}
else {
/* determine if we ignore dir or not later */
path_drive = wpath_pos[0];
}
}
else if (abs_mode == 0 && wpath_len >= 2 && wpath_pos[0] == L'~') {
result = get_user_from_path(&wpath_pos, 1, cp, path_cp, path_encoding);
if (wpath)
xfree(wpath);
rb_raise(rb_eArgError, "can't find user %s", StringValuePtr(result));
}
/* convert dir */
if (!ignore_dir && !NIL_P(dir)) {
/* fix string encoding */
if (path_cp == INVALID_CODE_PAGE) {
dir = fix_string_encoding(dir, path_encoding);
}
/* convert char * to wchar_t */
convert_mb_to_wchar(dir, &wdir, &wdir_pos, &wdir_len, cp);
if (abs_mode == 0 && wdir_len > 0 && wdir_pos[0] == L'~' &&
(wdir_len == 1 || IS_DIR_SEPARATOR_P(wdir_pos[1]))) {
/* tainted if expanding '~' */
tainted = 1;
whome = home_dir();
if (whome == NULL) {
xfree(wpath);
xfree(wdir);
rb_raise(rb_eArgError, "couldn't find HOME environment -- expanding `~'");
}
whome_len = wcslen(whome);
if (PathIsRelativeW(whome) && !(whome_len >= 2 && IS_DIR_UNC_P(whome))) {
xfree(wpath);
xfree(wdir);
rb_raise(rb_eArgError, "non-absolute home");
}
/* exclude ~ from the result */
wdir_pos++;
wdir_len--;
/* exclude separator if present */
if (wdir_len && IS_DIR_SEPARATOR_P(wdir_pos[0])) {
wdir_pos++;
wdir_len--;
}
}
else if (wdir_len >= 2 && wdir[1] == L':') {
dir_drive = wdir[0];
if (wpath_len && IS_DIR_SEPARATOR_P(wpath_pos[0])) {
wdir_len = 2;
}
}
else if (wdir_len >= 2 && IS_DIR_UNC_P(wdir)) {
/* UNC path */
if (wpath_len && IS_DIR_SEPARATOR_P(wpath_pos[0])) {
/* cut the UNC path tail to '//host/share' */
size_t separators = 0;
size_t pos = 2;
while (pos < wdir_len && separators < 2) {
if (IS_DIR_SEPARATOR_P(wdir[pos])) {
separators++;
}
pos++;
}
if (separators == 2)
wdir_len = pos - 1;
}
}
else if (abs_mode == 0 && wdir_len >= 2 && wdir_pos[0] == L'~') {
result = get_user_from_path(&wdir_pos, 1, cp, path_cp, path_encoding);
if (wpath)
xfree(wpath);
if (wdir)
xfree(wdir);
rb_raise(rb_eArgError, "can't find user %s", StringValuePtr(result));
}
}
/* determine if we ignore dir or not */
if (!ignore_dir && path_drive && dir_drive) {
if (towupper(path_drive) == towupper(dir_drive)) {
/* exclude path drive letter to use dir */
wpath_pos += 2;
wpath_len -= 2;
}
else {
/* ignore dir since path drive is different from dir drive */
ignore_dir = 1;
wdir_len = 0;
}
}
if (!ignore_dir && wpath_len >= 2 && IS_DIR_UNC_P(wpath)) {
/* ignore dir since path has UNC root */
ignore_dir = 1;
wdir_len = 0;
}
else if (!ignore_dir && wpath_len >= 1 && IS_DIR_SEPARATOR_P(wpath[0]) &&
!dir_drive && !(wdir_len >= 2 && IS_DIR_UNC_P(wdir))) {
/* ignore dir since path has root slash and dir doesn't have drive or UNC root */
ignore_dir = 1;
wdir_len = 0;
}
buffer_len = wpath_len + 1 + wdir_len + 1 + whome_len + 1;
buffer = buffer_pos = (wchar_t *)xmalloc((buffer_len + 1) * sizeof(wchar_t));
/* add home */
if (whome_len) {
wcsncpy(buffer_pos, whome, whome_len);
buffer_pos += whome_len;
}
/* Add separator if required */
if (whome_len && wcsrchr(L"\\/:", buffer_pos[-1]) == NULL) {
buffer_pos[0] = L'\\';
buffer_pos++;
}
if (wdir_len) {
/* tainted if dir is used and dir is tainted */
if (!tainted && OBJ_TAINTED(dir))
tainted = 1;
wcsncpy(buffer_pos, wdir_pos, wdir_len);
buffer_pos += wdir_len;
}
/* add separator if required */
if (wdir_len && wcsrchr(L"\\/:", buffer_pos[-1]) == NULL) {
buffer_pos[0] = L'\\';
buffer_pos++;
}
/* now deal with path */
if (wpath_len) {
wcsncpy(buffer_pos, wpath_pos, wpath_len);
buffer_pos += wpath_len;
}
/* GetFullPathNameW requires at least "." to determine current directory */
if (wpath_len == 0) {
buffer_pos[0] = L'.';
buffer_pos++;
}
/* Ensure buffer is NULL terminated */
buffer_pos[0] = L'\0';
/* tainted if path is relative */
if (!tainted && PathIsRelativeW(buffer) && !(buffer_len >= 2 && IS_DIR_UNC_P(buffer)))
tainted = 1;
/* FIXME: Make this more robust */
/* Determine require buffer size */
size = GetFullPathNameW(buffer, PATH_BUFFER_SIZE, wfullpath_buffer, NULL);
if (size > PATH_BUFFER_SIZE) {
/* allocate more memory than alloted originally by PATH_BUFFER_SIZE */
wfullpath = (wchar_t *)xmalloc(size * sizeof(wchar_t));
size = GetFullPathNameW(buffer, size, wfullpath, NULL);
}
else {
wfullpath = wfullpath_buffer;
}
/* Remove any trailing slashes */
if (IS_DIR_SEPARATOR_P(wfullpath[size - 1]) &&
wfullpath[size - 2] != L':' &&
!(size == 2 && IS_DIR_UNC_P(wfullpath))) {
size -= 1;
wfullpath[size] = L'\0';
}
/* Remove any trailing dot */
if (wfullpath[size - 1] == L'.') {
size -= 1;
wfullpath[size] = L'\0';
}
/* removes trailing invalid ':$DATA' */
size = remove_invalid_alternative_data(wfullpath, size);
/* Replace the trailing path to long name */
if (long_name)
size = replace_to_long_name(&wfullpath, size, (wfullpath != wfullpath_buffer));
/* sanitize backslashes with forwardslashes */
replace_wchar(wfullpath, L'\\', L'/');
/* convert to char * */
size = WideCharToMultiByte(cp, 0, wfullpath, size, NULL, 0, NULL, NULL);
if (size > (size_t)RSTRING_LEN(result)) {
rb_str_modify(result);
rb_str_resize(result, size);
}
WideCharToMultiByte(cp, 0, wfullpath, size, RSTRING_PTR(result), size, NULL, NULL);
rb_str_set_len(result, size);
/* convert to VALUE and set the path encoding */
if (path_cp == INVALID_CODE_PAGE) {
VALUE tmp;
size_t len;
rb_enc_associate(result, rb_utf8_encoding());
ENC_CODERANGE_CLEAR(result);
tmp = rb_str_encode(result, rb_enc_from_encoding(path_encoding), 0, Qnil);
len = RSTRING_LEN(tmp);
rb_str_modify(result);
rb_str_resize(result, len);
memcpy(RSTRING_PTR(result), RSTRING_PTR(tmp), len);
rb_str_resize(tmp, 0);
}
rb_enc_associate(result, path_encoding);
ENC_CODERANGE_CLEAR(result);
/* makes the result object tainted if expanding tainted strings or returning modified path */
if (tainted)
OBJ_TAINT(result);
/* TODO: better cleanup */
if (buffer)
xfree(buffer);
if (wpath)
xfree(wpath);
if (wdir)
xfree(wdir);
if (whome)
xfree(whome);
if (wfullpath && wfullpath != wfullpath_buffer)
xfree(wfullpath);
if (fullpath)
xfree(fullpath);
return result;
}
void
rb_include_module2(VALUE klass, VALUE orig_klass, VALUE module, bool check,
bool add_methods)
{
if (check) {
rb_frozen_class_p(klass);
if (!OBJ_TAINTED(klass)) {
rb_secure(4);
}
Check_Type(module, T_MODULE);
}
// Register the module as included in the class.
VALUE ary = rb_attr_get(klass, idIncludedModules);
if (ary == Qnil) {
ary = rb_ary_new();
rb_ivar_set(klass, idIncludedModules, ary);
}
else {
if (rb_ary_includes(ary, module)) {
return;
}
}
rb_ary_insert(ary, 0, module);
// Mark the module as included somewhere.
const long v = RCLASS_VERSION(module) | RCLASS_IS_INCLUDED;
RCLASS_SET_VERSION(module, v);
// Register the class as included in the module.
ary = rb_attr_get(module, idIncludedInClasses);
if (ary == Qnil) {
ary = rb_ary_new();
rb_ivar_set(module, idIncludedInClasses, ary);
}
rb_ary_push(ary, klass);
// Delete the ancestors array if it exists, since we just changed it.
CFMutableDictionaryRef iv_dict = rb_class_ivar_dict(klass);
if (iv_dict != NULL) {
CFDictionaryRemoveValue(iv_dict, (const void *)idAncestors);
}
if (add_methods) {
// Copy methods. If original class has the basic -initialize and if the
// module has a customized -initialize, we must copy the customized
// version to the original class too.
rb_vm_copy_methods((Class)module, (Class)klass);
// When including into the class Class, also copy the methods to the
// singleton class of NSObject.
if (klass == rb_cClass || klass == rb_cModule) {
rb_vm_copy_methods((Class)module, *(Class *)rb_cNSObject);
}
if (orig_klass != 0 && orig_klass != klass) {
Method m = class_getInstanceMethod((Class)orig_klass,
selInitialize);
Method m2 = class_getInstanceMethod((Class)klass, selInitialize);
if (m != NULL && m2 != NULL
&& method_getImplementation(m) == (IMP)rb_objc_init
&& method_getImplementation(m2) != (IMP)rb_objc_init) {
rb_vm_copy_method((Class)orig_klass, m2);
}
}
}
}
/* @overload gsub(pattern, replacement)
*
* Returns the receiver with all matches of PATTERN replaced by REPLACEMENT,
* inheriting any taint and untrust from the receiver and from REPLACEMENT.
*
* The REPLACEMENT is used as a specification for what to replace matches
* with:
*
* <table>
* <thead>
* <tr><th>Specification</th><th>Replacement</th></tr>
* </thead>
* <tbody>
* <tr>
* <td><code>\1</code>, <code>\2</code>, …, <code>\</code><em>n</em></td>
* <td>Numbered sub-match <em>n</em></td>
* </tr>
* <tr>
* <td><code>\k<</code><em>name</em><code>></code></td>
* <td>Named sub-match <em>name</em></td>
* </tr>
* </tbody>
* </table>
*
* The Regexp special variables `$&`, `$'`, <code>$\`</code>, `$1`, `$2`, …,
* `$`_n_ are updated accordingly.
*
* @param [Regexp, #to_str] pattern
* @param [#to_str] replacement
* @return [U::String]
*
* @overload gsub(pattern, replacements)
*
* Returns the receiver with all matches of PATTERN replaced by
* REPLACEMENTS#[_match_], where _match_ is the matched substring, inheriting
* any taint and untrust from the receiver and from the
* REPLACEMENTS#[_match_]es, as well as any taint on REPLACEMENTS.
*
* The Regexp special variables `$&`, `$'`, <code>$\`</code>, `$1`, `$2`, …,
* `$`_n_ are updated accordingly.
*
* @param [Regexp, #to_str] pattern
* @param [#to_hash] replacements
* @raise [RuntimeError] If any replacement is the result being constructed
* @raise [Exception] Any error raised by REPLACEMENTS#default, if it gets
* called
* @return [U::String]
*
* @overload gsub(pattern){ |match| … }
*
* Returns the receiver with all matches of PATTERN replaced by the results
* of the given block, inheriting any taint and untrust from the receiver and
* from the results of the given block.
*
* The Regexp special variables `$&`, `$'`, <code>$\`</code>, `$1`, `$2`, …,
* `$`_n_ are updated accordingly.
*
* @param [Regexp, #to_str] pattern
* @yieldparam [U::String] match
* @yieldreturn [#to_str]
* @return [U::String]
*
* @overload gsub(pattern)
*
* Returns an Enumerator over the matches of PATTERN in the receiver.
*
* The Regexp special variables `$&`, `$'`, <code>$\`</code>, `$1`, `$2`, …,
* `$`_n_ will be updated accordingly.
*
* @param [Regexp, #to_str] pattern
* @return [Enumerator] */
VALUE
rb_u_string_gsub(int argc, VALUE *argv, VALUE self)
{
VALUE pattern, replacement;
VALUE replacements = Qnil;
bool use_block = false;
bool tainted = false;
if (argc == 1) {
RETURN_ENUMERATOR(self, argc, argv);
use_block = true;
}
if (rb_scan_args(argc, argv, "11", &pattern, &replacement) == 2) {
replacements = rb_check_convert_type(replacement, T_HASH,
"Hash", "to_hash");
if (NIL_P(replacements))
StringValue(replacement);
if (OBJ_TAINTED(replacement))
tainted = true;
}
pattern = rb_u_pattern_argument(pattern, true);
VALUE str = rb_str_to_str(self);
long begin = rb_reg_search(pattern, str, 0, 0);
if (begin < 0)
return self;
const char *base = RSTRING_PTR(str);
const char *p = base;
const char *end = RSTRING_END(str);
VALUE substituted = rb_u_str_buf_new(RSTRING_LEN(str) + 30);
do {
VALUE match = rb_backref_get();
struct re_registers *registers = RMATCH_REGS(match);
VALUE result;
if (use_block || !NIL_P(replacements)) {
if (use_block) {
VALUE ustr = rb_u_string_new_rb(rb_reg_nth_match(0, match));
result = rb_u_string_object_as_string(rb_yield(ustr));
} else {
VALUE ustr = rb_u_string_new_c(self,
base + registers->beg[0],
registers->end[0] - registers->beg[0]);
result = rb_u_string_object_as_string(rb_hash_aref(replacements, ustr));
}
if (result == substituted)
rb_u_raise(rb_eRuntimeError,
"result of block is string being built; please try not to cheat");
} else
result =
#ifdef HAVE_RB_REG_REGSUB4
rb_reg_regsub(replacement, str, registers, pattern);
#else
rb_reg_regsub(replacement, str, registers);
#endif
if (OBJ_TAINTED(result))
tainted = true;
const struct rb_u_string *value = RVAL2USTRING_ANY(result);
rb_str_buf_cat(substituted, p, registers->beg[0] - (p - base));
rb_str_buf_cat(substituted, USTRING_STR(value), USTRING_LENGTH(value));
OBJ_INFECT(substituted, result);
p = base + registers->end[0];
if (registers->beg[0] == registers->end[0])
p = u_next(p);
if (p >= end)
break;
begin = rb_reg_search(pattern, str, registers->end[0], 0);
} while (begin >= 0);
if (p < end)
rb_str_buf_cat(substituted, p, end - p);
rb_reg_search(pattern, str, end - p, 0);
RBASIC(substituted)->klass = rb_obj_class(str);
OBJ_INFECT(substituted, str);
if (tainted)
OBJ_TAINT(substituted);
return rb_u_string_new_rb(substituted);
}
VALUE
rb_str_format(int argc, const VALUE *argv, VALUE fmt)
{
rb_encoding *enc;
const char *p, *end;
char *buf;
long blen, bsiz;
VALUE result;
long scanned = 0;
int coderange = ENC_CODERANGE_7BIT;
int width, prec, flags = FNONE;
int nextarg = 1;
int posarg = 0;
int tainted = 0;
VALUE nextvalue;
VALUE tmp;
VALUE str;
volatile VALUE hash = Qundef;
#define CHECK_FOR_WIDTH(f) \
if ((f) & FWIDTH) { \
rb_raise(rb_eArgError, "width given twice"); \
} \
if ((f) & FPREC0) { \
rb_raise(rb_eArgError, "width after precision"); \
}
#define CHECK_FOR_FLAGS(f) \
if ((f) & FWIDTH) { \
rb_raise(rb_eArgError, "flag after width"); \
} \
if ((f) & FPREC0) { \
rb_raise(rb_eArgError, "flag after precision"); \
}
++argc;
--argv;
if (OBJ_TAINTED(fmt)) tainted = 1;
StringValue(fmt);
enc = rb_enc_get(fmt);
fmt = rb_str_new4(fmt);
p = RSTRING_PTR(fmt);
end = p + RSTRING_LEN(fmt);
blen = 0;
bsiz = 120;
result = rb_str_buf_new(bsiz);
rb_enc_copy(result, fmt);
buf = RSTRING_PTR(result);
memset(buf, 0, bsiz);
ENC_CODERANGE_SET(result, coderange);
for (; p < end; p++) {
const char *t;
int n;
ID id = 0;
for (t = p; t < end && *t != '%'; t++) ;
PUSH(p, t - p);
if (coderange != ENC_CODERANGE_BROKEN && scanned < blen) {
scanned += rb_str_coderange_scan_restartable(buf+scanned, buf+blen, enc, &coderange);
ENC_CODERANGE_SET(result, coderange);
}
if (t >= end) {
/* end of fmt string */
goto sprint_exit;
}
p = t + 1; /* skip `%' */
width = prec = -1;
nextvalue = Qundef;
retry:
switch (*p) {
default:
if (rb_enc_isprint(*p, enc))
rb_raise(rb_eArgError, "malformed format string - %%%c", *p);
else
rb_raise(rb_eArgError, "malformed format string");
break;
case ' ':
CHECK_FOR_FLAGS(flags);
flags |= FSPACE;
p++;
goto retry;
case '#':
CHECK_FOR_FLAGS(flags);
flags |= FSHARP;
p++;
goto retry;
case '+':
CHECK_FOR_FLAGS(flags);
flags |= FPLUS;
p++;
goto retry;
case '-':
CHECK_FOR_FLAGS(flags);
flags |= FMINUS;
p++;
goto retry;
case '0':
CHECK_FOR_FLAGS(flags);
flags |= FZERO;
p++;
goto retry;
case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
n = 0;
GETNUM(n, width);
if (*p == '$') {
if (nextvalue != Qundef) {
rb_raise(rb_eArgError, "value given twice - %d$", n);
}
nextvalue = GETPOSARG(n);
p++;
goto retry;
}
CHECK_FOR_WIDTH(flags);
width = n;
flags |= FWIDTH;
goto retry;
case '<':
case '{':
{
const char *start = p;
char term = (*p == '<') ? '>' : '}';
int len;
for (; p < end && *p != term; ) {
p += rb_enc_mbclen(p, end, enc);
}
if (p >= end) {
rb_raise(rb_eArgError, "malformed name - unmatched parenthesis");
}
#if SIZEOF_INT < SIZEOF_SIZE_T
if ((size_t)(p - start) >= INT_MAX) {
const int message_limit = 20;
len = (int)(rb_enc_right_char_head(start, start + message_limit, p, enc) - start);
rb_enc_raise(enc, rb_eArgError,
"too long name (%"PRIdSIZE" bytes) - %.*s...%c",
(size_t)(p - start - 2), len, start, term);
}
#endif
len = (int)(p - start + 1); /* including parenthesis */
if (id) {
rb_enc_raise(enc, rb_eArgError, "named%.*s after <%s>",
len, start, rb_id2name(id));
}
nextvalue = GETNAMEARG((id = rb_check_id_cstr(start + 1,
len - 2 /* without parenthesis */,
enc),
ID2SYM(id)),
start, len, enc);
if (nextvalue == Qundef) {
rb_enc_raise(enc, rb_eKeyError, "key%.*s not found", len, start);
}
if (term == '}') goto format_s;
p++;
goto retry;
}
case '*':
CHECK_FOR_WIDTH(flags);
flags |= FWIDTH;
GETASTER(width);
if (width < 0) {
flags |= FMINUS;
width = -width;
}
p++;
goto retry;
case '.':
if (flags & FPREC0) {
rb_raise(rb_eArgError, "precision given twice");
}
flags |= FPREC|FPREC0;
prec = 0;
p++;
if (*p == '*') {
GETASTER(prec);
if (prec < 0) { /* ignore negative precision */
flags &= ~FPREC;
}
p++;
goto retry;
}
GETNUM(prec, precision);
goto retry;
case '\n':
case '\0':
p--;
case '%':
if (flags != FNONE) {
rb_raise(rb_eArgError, "invalid format character - %%");
}
PUSH("%", 1);
break;
case 'c':
{
VALUE val = GETARG();
VALUE tmp;
unsigned int c;
int n;
tmp = rb_check_string_type(val);
if (!NIL_P(tmp)) {
if (rb_enc_strlen(RSTRING_PTR(tmp),RSTRING_END(tmp),enc) != 1) {
rb_raise(rb_eArgError, "%%c requires a character");
}
c = rb_enc_codepoint_len(RSTRING_PTR(tmp), RSTRING_END(tmp), &n, enc);
RB_GC_GUARD(tmp);
}
else {
c = NUM2INT(val);
n = rb_enc_codelen(c, enc);
}
if (n <= 0) {
rb_raise(rb_eArgError, "invalid character");
}
if (!(flags & FWIDTH)) {
CHECK(n);
rb_enc_mbcput(c, &buf[blen], enc);
blen += n;
}
else if ((flags & FMINUS)) {
CHECK(n);
rb_enc_mbcput(c, &buf[blen], enc);
blen += n;
FILL(' ', width-1);
}
else {
FILL(' ', width-1);
CHECK(n);
rb_enc_mbcput(c, &buf[blen], enc);
blen += n;
}
}
break;
case 's':
case 'p':
format_s:
{
VALUE arg = GETARG();
long len, slen;
if (*p == 'p') arg = rb_inspect(arg);
str = rb_obj_as_string(arg);
if (OBJ_TAINTED(str)) tainted = 1;
len = RSTRING_LEN(str);
rb_str_set_len(result, blen);
if (coderange != ENC_CODERANGE_BROKEN && scanned < blen) {
int cr = coderange;
scanned += rb_str_coderange_scan_restartable(buf+scanned, buf+blen, enc, &cr);
ENC_CODERANGE_SET(result,
(cr == ENC_CODERANGE_UNKNOWN ?
ENC_CODERANGE_BROKEN : (coderange = cr)));
}
enc = rb_enc_check(result, str);
if (flags&(FPREC|FWIDTH)) {
slen = rb_enc_strlen(RSTRING_PTR(str),RSTRING_END(str),enc);
if (slen < 0) {
rb_raise(rb_eArgError, "invalid mbstring sequence");
}
if ((flags&FPREC) && (prec < slen)) {
char *p = rb_enc_nth(RSTRING_PTR(str), RSTRING_END(str),
prec, enc);
slen = prec;
len = p - RSTRING_PTR(str);
}
/* need to adjust multi-byte string pos */
if ((flags&FWIDTH) && (width > slen)) {
width -= (int)slen;
if (!(flags&FMINUS)) {
CHECK(width);
while (width--) {
buf[blen++] = ' ';
}
}
CHECK(len);
memcpy(&buf[blen], RSTRING_PTR(str), len);
RB_GC_GUARD(str);
blen += len;
if (flags&FMINUS) {
CHECK(width);
while (width--) {
buf[blen++] = ' ';
}
}
rb_enc_associate(result, enc);
break;
}
}
PUSH(RSTRING_PTR(str), len);
RB_GC_GUARD(str);
rb_enc_associate(result, enc);
}
break;
case 'd':
case 'i':
case 'o':
case 'x':
case 'X':
case 'b':
case 'B':
case 'u':
{
volatile VALUE val = GETARG();
char fbuf[32], nbuf[64], *s;
const char *prefix = 0;
int sign = 0, dots = 0;
char sc = 0;
long v = 0;
int base, bignum = 0;
int len;
switch (*p) {
case 'd':
case 'i':
case 'u':
sign = 1; break;
case 'o':
case 'x':
case 'X':
case 'b':
case 'B':
if (flags&(FPLUS|FSPACE)) sign = 1;
break;
}
if (flags & FSHARP) {
switch (*p) {
case 'o':
prefix = "0"; break;
case 'x':
prefix = "0x"; break;
case 'X':
prefix = "0X"; break;
case 'b':
prefix = "0b"; break;
case 'B':
prefix = "0B"; break;
}
}
bin_retry:
switch (TYPE(val)) {
case T_FLOAT:
if (FIXABLE(RFLOAT_VALUE(val))) {
val = LONG2FIX((long)RFLOAT_VALUE(val));
goto bin_retry;
}
val = rb_dbl2big(RFLOAT_VALUE(val));
if (FIXNUM_P(val)) goto bin_retry;
bignum = 1;
break;
case T_STRING:
val = rb_str_to_inum(val, 0, TRUE);
goto bin_retry;
case T_BIGNUM:
bignum = 1;
break;
case T_FIXNUM:
v = FIX2LONG(val);
break;
default:
val = rb_Integer(val);
goto bin_retry;
}
switch (*p) {
case 'o':
base = 8; break;
case 'x':
case 'X':
base = 16; break;
case 'b':
case 'B':
base = 2; break;
case 'u':
case 'd':
case 'i':
default:
base = 10; break;
}
if (!bignum) {
if (base == 2) {
val = rb_int2big(v);
goto bin_retry;
}
if (sign) {
char c = *p;
if (c == 'i') c = 'd'; /* %d and %i are identical */
if (v < 0) {
v = -v;
sc = '-';
width--;
}
else if (flags & FPLUS) {
sc = '+';
width--;
}
else if (flags & FSPACE) {
sc = ' ';
width--;
}
snprintf(fbuf, sizeof(fbuf), "%%l%c", c);
snprintf(nbuf, sizeof(nbuf), fbuf, v);
s = nbuf;
}
else {
s = nbuf;
if (v < 0) {
dots = 1;
}
snprintf(fbuf, sizeof(fbuf), "%%l%c", *p == 'X' ? 'x' : *p);
snprintf(++s, sizeof(nbuf) - 1, fbuf, v);
if (v < 0) {
char d = 0;
s = remove_sign_bits(s, base);
switch (base) {
case 16:
d = 'f'; break;
case 8:
d = '7'; break;
}
if (d && *s != d) {
*--s = d;
}
}
}
len = (int)strlen(s);
}
else {
if (sign) {
tmp = rb_big2str(val, base);
s = RSTRING_PTR(tmp);
if (s[0] == '-') {
s++;
sc = '-';
width--;
}
else if (flags & FPLUS) {
sc = '+';
width--;
}
else if (flags & FSPACE) {
sc = ' ';
width--;
}
}
else {
if (!RBIGNUM_SIGN(val)) {
val = rb_big_clone(val);
rb_big_2comp(val);
}
tmp = rb_big2str0(val, base, RBIGNUM_SIGN(val));
s = RSTRING_PTR(tmp);
if (*s == '-') {
dots = 1;
if (base == 10) {
rb_warning("negative number for %%u specifier");
}
s = remove_sign_bits(++s, base);
switch (base) {
case 16:
if (s[0] != 'f') *--s = 'f'; break;
case 8:
if (s[0] != '7') *--s = '7'; break;
case 2:
if (s[0] != '1') *--s = '1'; break;
}
}
}
len = rb_long2int(RSTRING_END(tmp) - s);
}
if (dots) {
prec -= 2;
width -= 2;
}
if (*p == 'X') {
char *pp = s;
int c;
while ((c = (int)(unsigned char)*pp) != 0) {
*pp = rb_enc_toupper(c, enc);
pp++;
}
}
if (prefix && !prefix[1]) { /* octal */
if (dots) {
prefix = 0;
}
else if (len == 1 && *s == '0') {
len = 0;
if (flags & FPREC) prec--;
}
else if ((flags & FPREC) && (prec > len)) {
prefix = 0;
}
}
else if (len == 1 && *s == '0') {
prefix = 0;
}
if (prefix) {
width -= (int)strlen(prefix);
}
if ((flags & (FZERO|FMINUS|FPREC)) == FZERO) {
prec = width;
width = 0;
}
else {
if (prec < len) {
if (!prefix && prec == 0 && len == 1 && *s == '0') len = 0;
prec = len;
}
width -= prec;
}
if (!(flags&FMINUS)) {
CHECK(width);
while (width-- > 0) {
buf[blen++] = ' ';
}
}
if (sc) PUSH(&sc, 1);
if (prefix) {
int plen = (int)strlen(prefix);
PUSH(prefix, plen);
}
CHECK(prec - len);
if (dots) PUSH("..", 2);
if (!bignum && v < 0) {
char c = sign_bits(base, p);
while (len < prec--) {
buf[blen++] = c;
}
}
else if ((flags & (FMINUS|FPREC)) != FMINUS) {
char c;
if (!sign && bignum && !RBIGNUM_SIGN(val))
c = sign_bits(base, p);
else
c = '0';
while (len < prec--) {
buf[blen++] = c;
}
}
PUSH(s, len);
RB_GC_GUARD(tmp);
CHECK(width);
while (width-- > 0) {
buf[blen++] = ' ';
}
}
break;
case 'f':
case 'g':
case 'G':
case 'e':
case 'E':
case 'a':
case 'A':
{
VALUE val = GETARG();
double fval;
int i, need = 6;
char fbuf[32];
fval = RFLOAT_VALUE(rb_Float(val));
if (isnan(fval) || isinf(fval)) {
const char *expr;
if (isnan(fval)) {
expr = "NaN";
}
else {
expr = "Inf";
}
need = (int)strlen(expr);
if ((!isnan(fval) && fval < 0.0) || (flags & FPLUS))
need++;
if ((flags & FWIDTH) && need < width)
need = width;
CHECK(need + 1);
snprintf(&buf[blen], need + 1, "%*s", need, "");
if (flags & FMINUS) {
if (!isnan(fval) && fval < 0.0)
buf[blen++] = '-';
else if (flags & FPLUS)
buf[blen++] = '+';
else if (flags & FSPACE)
blen++;
memcpy(&buf[blen], expr, strlen(expr));
}
else {
if (!isnan(fval) && fval < 0.0)
buf[blen + need - strlen(expr) - 1] = '-';
else if (flags & FPLUS)
buf[blen + need - strlen(expr) - 1] = '+';
else if ((flags & FSPACE) && need > width)
blen++;
memcpy(&buf[blen + need - strlen(expr)], expr,
strlen(expr));
}
blen += strlen(&buf[blen]);
break;
}
fmt_setup(fbuf, sizeof(fbuf), *p, flags, width, prec);
need = 0;
if (*p != 'e' && *p != 'E') {
i = INT_MIN;
frexp(fval, &i);
if (i > 0)
need = BIT_DIGITS(i);
}
need += (flags&FPREC) ? prec : 6;
if ((flags&FWIDTH) && need < width)
need = width;
need += 20;
CHECK(need);
snprintf(&buf[blen], need, fbuf, fval);
blen += strlen(&buf[blen]);
}
break;
}
flags = FNONE;
}
sprint_exit:
RB_GC_GUARD(fmt);
/* XXX - We cannot validate the number of arguments if (digit)$ style used.
*/
if (posarg >= 0 && nextarg < argc) {
const char *mesg = "too many arguments for format string";
if (RTEST(ruby_debug)) rb_raise(rb_eArgError, "%s", mesg);
if (RTEST(ruby_verbose)) rb_warn("%s", mesg);
}
rb_str_resize(result, blen);
if (tainted) OBJ_TAINT(result);
return result;
}
void
rb_add_method(VALUE klass, ID mid, NODE * node, int noex)
{
NODE *body;
if (NIL_P(klass)) {
klass = rb_cObject;
}
if (rb_safe_level() >= 4 && (klass == rb_cObject || !OBJ_TAINTED(klass))) {
rb_raise(rb_eSecurityError, "Insecure: can't define method");
}
if (!FL_TEST(klass, FL_SINGLETON) &&
node && nd_type(node) != NODE_ZSUPER &&
(mid == rb_intern("initialize") || mid == rb_intern("initialize_copy"))) {
noex = NOEX_PRIVATE | noex;
}
else if (FL_TEST(klass, FL_SINGLETON) && node
&& nd_type(node) == NODE_CFUNC && mid == rb_intern("allocate")) {
rb_warn
("defining %s.allocate is deprecated; use rb_define_alloc_func()",
rb_class2name(rb_iv_get(klass, "__attached__")));
mid = ID_ALLOCATOR;
}
if (OBJ_FROZEN(klass)) {
rb_error_frozen("class/module");
}
rb_clear_cache_by_id(mid);
/*
* NODE_METHOD (NEW_METHOD(body, klass, vis)):
* nd_body : method body // (2) // mark
* nd_clss : klass // (1) // mark
* nd_noex : visibility // (3)
*
* NODE_FBODY (NEW_FBODY(method, alias)):
* nd_body : method (NODE_METHOD) // (2) // mark
* nd_oid : original id // (1)
* nd_cnt : alias count // (3)
*/
if (node) {
body = NEW_FBODY(NEW_METHOD(node, klass, NOEX_WITH_SAFE(noex)), 0);
}
else {
body = 0;
}
{
/* check re-definition */
st_data_t data;
NODE *old_node;
if (st_lookup(RCLASS_M_TBL(klass), mid, &data)) {
old_node = (NODE *)data;
if (old_node) {
if (nd_type(old_node->nd_body->nd_body) == NODE_CFUNC) {
rb_vm_check_redefinition_opt_method(old_node);
}
if (RTEST(ruby_verbose) && node && old_node->nd_cnt == 0 && old_node->nd_body) {
rb_warning("method redefined; discarding old %s", rb_id2name(mid));
}
}
}
if (klass == rb_cObject && node && mid == idInitialize) {
rb_warn("redefining Object#initialize may cause infinite loop");
}
if (mid == object_id || mid == __send__) {
if (node && nd_type(node) == RUBY_VM_METHOD_NODE) {
rb_warn("redefining `%s' may cause serious problem",
rb_id2name(mid));
}
}
}
st_insert(RCLASS_M_TBL(klass), mid, (st_data_t) body);
if (node && mid != ID_ALLOCATOR && ruby_running) {
if (FL_TEST(klass, FL_SINGLETON)) {
rb_funcall(rb_iv_get(klass, "__attached__"), singleton_added, 1,
ID2SYM(mid));
}
else {
rb_funcall(klass, added, 1, ID2SYM(mid));
}
}
}
static VALUE object_spec_OBJ_TAINTED(VALUE self, VALUE obj) {
return OBJ_TAINTED(obj) ? Qtrue : Qfalse;
}
/*
* call-seq:
* parser.parse(yaml)
*
* Parse the YAML document contained in +yaml+. Events will be called on
* the handler set on the parser instance.
*
* See Psych::Parser and Psych::Parser#handler
*/
static VALUE parse(int argc, VALUE *argv, VALUE self)
{
VALUE yaml, path;
yaml_parser_t * parser;
yaml_event_t event;
int done = 0;
int tainted = 0;
#ifdef HAVE_RUBY_ENCODING_H
int encoding = rb_utf8_encindex();
rb_encoding * internal_enc = rb_default_internal_encoding();
#endif
VALUE handler = rb_iv_get(self, "@handler");
if (rb_scan_args(argc, argv, "11", &yaml, &path) == 1) {
if(rb_respond_to(yaml, id_path))
path = rb_funcall(yaml, id_path, 0);
else
path = rb_str_new2("<unknown>");
}
Data_Get_Struct(self, yaml_parser_t, parser);
if (OBJ_TAINTED(yaml)) tainted = 1;
if(rb_respond_to(yaml, id_read)) {
yaml_parser_set_input(parser, io_reader, (void *)yaml);
if (RTEST(rb_obj_is_kind_of(yaml, rb_cIO))) tainted = 1;
} else {
StringValue(yaml);
yaml_parser_set_input_string(
parser,
(const unsigned char *)RSTRING_PTR(yaml),
(size_t)RSTRING_LEN(yaml)
);
}
while(!done) {
if(!yaml_parser_parse(parser, &event)) {
VALUE exception;
exception = make_exception(parser, path);
yaml_parser_delete(parser);
yaml_parser_initialize(parser);
rb_exc_raise(exception);
}
switch(event.type) {
case YAML_STREAM_START_EVENT:
rb_funcall(handler, id_start_stream, 1,
INT2NUM((long)event.data.stream_start.encoding)
);
break;
case YAML_DOCUMENT_START_EVENT:
{
/* Get a list of tag directives (if any) */
VALUE tag_directives = rb_ary_new();
/* Grab the document version */
VALUE version = event.data.document_start.version_directive ?
rb_ary_new3(
(long)2,
INT2NUM((long)event.data.document_start.version_directive->major),
INT2NUM((long)event.data.document_start.version_directive->minor)
) : rb_ary_new();
if(event.data.document_start.tag_directives.start) {
yaml_tag_directive_t *start =
event.data.document_start.tag_directives.start;
yaml_tag_directive_t *end =
event.data.document_start.tag_directives.end;
for(; start != end; start++) {
VALUE handle = Qnil;
VALUE prefix = Qnil;
if(start->handle) {
handle = rb_str_new2((const char *)start->handle);
if (tainted) OBJ_TAINT(handle);
#ifdef HAVE_RUBY_ENCODING_H
PSYCH_TRANSCODE(handle, encoding, internal_enc);
#endif
}
if(start->prefix) {
prefix = rb_str_new2((const char *)start->prefix);
if (tainted) OBJ_TAINT(prefix);
#ifdef HAVE_RUBY_ENCODING_H
PSYCH_TRANSCODE(prefix, encoding, internal_enc);
#endif
}
rb_ary_push(tag_directives, rb_ary_new3((long)2, handle, prefix));
}
}
rb_funcall(handler, id_start_document, 3,
version, tag_directives,
event.data.document_start.implicit == 1 ? Qtrue : Qfalse
);
}
break;
case YAML_DOCUMENT_END_EVENT:
rb_funcall(handler, id_end_document, 1,
event.data.document_end.implicit == 1 ? Qtrue : Qfalse
);
break;
case YAML_ALIAS_EVENT:
{
VALUE alias = Qnil;
if(event.data.alias.anchor) {
alias = rb_str_new2((const char *)event.data.alias.anchor);
if (tainted) OBJ_TAINT(alias);
#ifdef HAVE_RUBY_ENCODING_H
PSYCH_TRANSCODE(alias, encoding, internal_enc);
#endif
}
rb_funcall(handler, id_alias, 1, alias);
}
break;
case YAML_SCALAR_EVENT:
{
VALUE anchor = Qnil;
VALUE tag = Qnil;
VALUE plain_implicit, quoted_implicit, style;
VALUE val = rb_str_new(
(const char *)event.data.scalar.value,
(long)event.data.scalar.length
);
if (tainted) OBJ_TAINT(val);
#ifdef HAVE_RUBY_ENCODING_H
PSYCH_TRANSCODE(val, encoding, internal_enc);
#endif
if(event.data.scalar.anchor) {
anchor = rb_str_new2((const char *)event.data.scalar.anchor);
if (tainted) OBJ_TAINT(anchor);
#ifdef HAVE_RUBY_ENCODING_H
PSYCH_TRANSCODE(anchor, encoding, internal_enc);
#endif
}
if(event.data.scalar.tag) {
tag = rb_str_new2((const char *)event.data.scalar.tag);
if (tainted) OBJ_TAINT(tag);
#ifdef HAVE_RUBY_ENCODING_H
PSYCH_TRANSCODE(tag, encoding, internal_enc);
#endif
}
plain_implicit =
event.data.scalar.plain_implicit == 0 ? Qfalse : Qtrue;
quoted_implicit =
event.data.scalar.quoted_implicit == 0 ? Qfalse : Qtrue;
style = INT2NUM((long)event.data.scalar.style);
rb_funcall(handler, id_scalar, 6,
val, anchor, tag, plain_implicit, quoted_implicit, style);
}
break;
case YAML_SEQUENCE_START_EVENT:
{
VALUE anchor = Qnil;
VALUE tag = Qnil;
VALUE implicit, style;
if(event.data.sequence_start.anchor) {
anchor = rb_str_new2((const char *)event.data.sequence_start.anchor);
if (tainted) OBJ_TAINT(anchor);
#ifdef HAVE_RUBY_ENCODING_H
PSYCH_TRANSCODE(anchor, encoding, internal_enc);
#endif
}
tag = Qnil;
if(event.data.sequence_start.tag) {
tag = rb_str_new2((const char *)event.data.sequence_start.tag);
if (tainted) OBJ_TAINT(tag);
#ifdef HAVE_RUBY_ENCODING_H
PSYCH_TRANSCODE(tag, encoding, internal_enc);
#endif
}
implicit =
event.data.sequence_start.implicit == 0 ? Qfalse : Qtrue;
style = INT2NUM((long)event.data.sequence_start.style);
rb_funcall(handler, id_start_sequence, 4,
anchor, tag, implicit, style);
}
break;
case YAML_SEQUENCE_END_EVENT:
rb_funcall(handler, id_end_sequence, 0);
break;
case YAML_MAPPING_START_EVENT:
{
VALUE anchor = Qnil;
VALUE tag = Qnil;
VALUE implicit, style;
if(event.data.mapping_start.anchor) {
anchor = rb_str_new2((const char *)event.data.mapping_start.anchor);
if (tainted) OBJ_TAINT(anchor);
#ifdef HAVE_RUBY_ENCODING_H
PSYCH_TRANSCODE(anchor, encoding, internal_enc);
#endif
}
if(event.data.mapping_start.tag) {
tag = rb_str_new2((const char *)event.data.mapping_start.tag);
if (tainted) OBJ_TAINT(tag);
#ifdef HAVE_RUBY_ENCODING_H
PSYCH_TRANSCODE(tag, encoding, internal_enc);
#endif
}
implicit =
event.data.mapping_start.implicit == 0 ? Qfalse : Qtrue;
style = INT2NUM((long)event.data.mapping_start.style);
rb_funcall(handler, id_start_mapping, 4,
anchor, tag, implicit, style);
}
break;
case YAML_MAPPING_END_EVENT:
rb_funcall(handler, id_end_mapping, 0);
break;
case YAML_NO_EVENT:
rb_funcall(handler, id_empty, 0);
break;
case YAML_STREAM_END_EVENT:
rb_funcall(handler, id_end_stream, 0);
done = 1;
break;
}
yaml_event_delete(&event);
}
return self;
}
void
rbffi_SetupCallParams(int argc, VALUE* argv, int paramCount, Type** paramTypes,
FFIStorage* paramStorage, void** ffiValues,
VALUE* callbackParameters, int callbackCount, VALUE enums)
{
VALUE callbackProc = Qnil;
FFIStorage* param = ¶mStorage[0];
int i, argidx, cbidx, argCount;
if (unlikely(paramCount != -1 && paramCount != argc)) {
if (argc == (paramCount - 1) && callbackCount == 1 && rb_block_given_p()) {
callbackProc = rb_block_proc();
} else {
rb_raise(rb_eArgError, "wrong number of arguments (%d for %d)", argc, paramCount);
}
}
argCount = paramCount != -1 ? paramCount : argc;
for (i = 0, argidx = 0, cbidx = 0; i < argCount; ++i) {
Type* paramType = paramTypes[i];
int type;
if (unlikely(paramType->nativeType == NATIVE_MAPPED)) {
VALUE values[] = { argv[argidx], Qnil };
argv[argidx] = rb_funcall2(((MappedType *) paramType)->rbConverter, id_to_native, 2, values);
paramType = ((MappedType *) paramType)->type;
}
type = argidx < argc ? TYPE(argv[argidx]) : T_NONE;
ffiValues[i] = param;
switch (paramType->nativeType) {
case NATIVE_INT8:
param->s8 = NUM2INT(argv[argidx]);
++argidx;
ADJ(param, INT8);
break;
case NATIVE_INT16:
param->s16 = NUM2INT(argv[argidx]);
++argidx;
ADJ(param, INT16);
break;
case NATIVE_INT32:
if (unlikely(type == T_SYMBOL && enums != Qnil)) {
VALUE value = rb_funcall(enums, id_map_symbol, 1, argv[argidx]);
param->s32 = NUM2INT(value);
} else {
param->s32 = NUM2INT(argv[argidx]);
}
++argidx;
ADJ(param, INT32);
break;
case NATIVE_BOOL:
if (type != T_TRUE && type != T_FALSE) {
rb_raise(rb_eTypeError, "wrong argument type (expected a boolean parameter)");
}
param->s8 = argv[argidx++] == Qtrue;
ADJ(param, INT8);
break;
case NATIVE_UINT8:
param->u8 = NUM2UINT(argv[argidx]);
ADJ(param, INT8);
++argidx;
break;
case NATIVE_UINT16:
param->u16 = NUM2UINT(argv[argidx]);
ADJ(param, INT16);
++argidx;
break;
case NATIVE_UINT32:
param->u32 = NUM2UINT(argv[argidx]);
ADJ(param, INT32);
++argidx;
break;
case NATIVE_INT64:
param->i64 = NUM2LL(argv[argidx]);
ADJ(param, INT64);
++argidx;
break;
case NATIVE_UINT64:
param->u64 = NUM2ULL(argv[argidx]);
ADJ(param, INT64);
++argidx;
break;
case NATIVE_LONG:
*(ffi_sarg *) param = NUM2LONG(argv[argidx]);
ADJ(param, LONG);
++argidx;
break;
case NATIVE_ULONG:
*(ffi_arg *) param = NUM2ULONG(argv[argidx]);
ADJ(param, LONG);
++argidx;
break;
case NATIVE_FLOAT32:
param->f32 = (float) NUM2DBL(argv[argidx]);
ADJ(param, FLOAT32);
++argidx;
break;
case NATIVE_FLOAT64:
param->f64 = NUM2DBL(argv[argidx]);
ADJ(param, FLOAT64);
++argidx;
break;
case NATIVE_LONGDOUBLE:
param->ld = rbffi_num2longdouble(argv[argidx]);
ADJ(param, LONGDOUBLE);
++argidx;
break;
case NATIVE_STRING:
if (type == T_NIL) {
param->ptr = NULL;
} else {
if (rb_safe_level() >= 1 && OBJ_TAINTED(argv[argidx])) {
rb_raise(rb_eSecurityError, "Unsafe string parameter");
}
param->ptr = StringValueCStr(argv[argidx]);
}
ADJ(param, ADDRESS);
++argidx;
break;
case NATIVE_POINTER:
case NATIVE_BUFFER_IN:
case NATIVE_BUFFER_OUT:
case NATIVE_BUFFER_INOUT:
param->ptr = getPointer(argv[argidx++], type);
ADJ(param, ADDRESS);
break;
case NATIVE_FUNCTION:
case NATIVE_CALLBACK:
if (callbackProc != Qnil) {
param->ptr = callback_param(callbackProc, callbackParameters[cbidx++]);
} else {
param->ptr = callback_param(argv[argidx], callbackParameters[cbidx++]);
++argidx;
}
ADJ(param, ADDRESS);
break;
case NATIVE_STRUCT:
ffiValues[i] = getPointer(argv[argidx++], type);
break;
default:
rb_raise(rb_eArgError, "Invalid parameter type: %d", paramType->nativeType);
}
}
}
/*
* call-seq:
* Module.load(String) => Module
*
* Load a module from a string.
*/
static VALUE module_load(VALUE klass, VALUE str)
{
VALUE arr, class_name, metaclass_str, metaclass, superclass_name,
included_modules, class_variables_str, class_variables,
instance_methods_str, instance_methods, flags, module;
if( rb_safe_level() >= 4
|| (rb_safe_level() >= 1 && OBJ_TAINTED(str)))
{
/* no playing with knives in the sandbox */
rb_raise(rb_eSecurityError, "Insecure: can't load module");
}
arr = marshal_load(str);
class_name = rb_ary_pop(arr);
metaclass_str = rb_ary_pop(arr);
superclass_name = rb_ary_pop(arr);
included_modules = rb_ary_pop(arr);
class_variables_str = rb_ary_pop(arr);
instance_methods_str = rb_ary_pop(arr);
flags = rb_ary_pop(arr);
if(RTEST(superclass_name))
{
VALUE superclass;
rb_check_type(superclass_name, T_STRING);
superclass = rb_funcall(
lookup_module_proc,
rb_intern("call"),
1,
superclass_name);
#if RUBY_VERSION_CODE >= 180
/* Can't make subclass of Class on 1.8.x */
module = rb_class_boot(superclass);
rb_define_alloc_func(module, module_instance_allocate);
#else
module = rb_class_new(superclass);
#endif
}
else
{
module = rb_module_new();
}
if(!NIL_P(class_name))
{
VALUE outer_module = rb_funcall(outer_module_proc, rb_intern("call"), 1, class_name);
VALUE module_name = rb_funcall(module_name_proc, rb_intern("call"), 1, class_name);
rb_const_set(outer_module, SYM2ID(module_name), module);
}
RBASIC(module)->flags = NUM2INT(flags);
include_modules(module, included_modules);
class_variables = marshal_load(class_variables_str);
add_class_variables(module, class_variables);
instance_methods = marshal_load(instance_methods_str);
add_methods(module, instance_methods);
metaclass = marshal_load(metaclass_str);
if(RTEST(metaclass))
{
rb_singleton_class_attached(metaclass, module);
RBASIC(module)->klass = metaclass;
}
return module;
}
/*
* call-seq:
* parser.parse(yaml)
*
* Parse the YAML document contained in +yaml+. Events will be called on
* the handler set on the parser instance.
*
* See Psych::Parser and Psych::Parser#handler
*/
static VALUE parse(int argc, VALUE *argv, VALUE self)
{
VALUE yaml, path;
yaml_parser_t * parser;
yaml_event_t event;
int done = 0;
int tainted = 0;
int state = 0;
int parser_encoding = YAML_ANY_ENCODING;
int encoding = rb_utf8_encindex();
rb_encoding * internal_enc = rb_default_internal_encoding();
VALUE handler = rb_iv_get(self, "@handler");
if (rb_scan_args(argc, argv, "11", &yaml, &path) == 1) {
if(rb_respond_to(yaml, id_path))
path = rb_funcall(yaml, id_path, 0);
else
path = rb_str_new2("<unknown>");
}
TypedData_Get_Struct(self, yaml_parser_t, &psych_parser_type, parser);
yaml_parser_delete(parser);
yaml_parser_initialize(parser);
if (OBJ_TAINTED(yaml)) tainted = 1;
if (rb_respond_to(yaml, id_read)) {
yaml = transcode_io(yaml, &parser_encoding);
yaml_parser_set_encoding(parser, parser_encoding);
yaml_parser_set_input(parser, io_reader, (void *)yaml);
if (RTEST(rb_obj_is_kind_of(yaml, rb_cIO))) tainted = 1;
} else {
StringValue(yaml);
yaml = transcode_string(yaml, &parser_encoding);
yaml_parser_set_encoding(parser, parser_encoding);
yaml_parser_set_input_string(
parser,
(const unsigned char *)RSTRING_PTR(yaml),
(size_t)RSTRING_LEN(yaml)
);
}
while(!done) {
VALUE event_args[5];
VALUE start_line, start_column, end_line, end_column;
if(!yaml_parser_parse(parser, &event)) {
VALUE exception;
exception = make_exception(parser, path);
yaml_parser_delete(parser);
yaml_parser_initialize(parser);
rb_exc_raise(exception);
}
start_line = INT2NUM((long)event.start_mark.line);
start_column = INT2NUM((long)event.start_mark.column);
end_line = INT2NUM((long)event.end_mark.line);
end_column = INT2NUM((long)event.end_mark.column);
event_args[0] = handler;
event_args[1] = start_line;
event_args[2] = start_column;
event_args[3] = end_line;
event_args[4] = end_column;
rb_protect(protected_event_location, (VALUE)event_args, &state);
switch(event.type) {
case YAML_STREAM_START_EVENT:
{
VALUE args[2];
args[0] = handler;
args[1] = INT2NUM((long)event.data.stream_start.encoding);
rb_protect(protected_start_stream, (VALUE)args, &state);
}
break;
case YAML_DOCUMENT_START_EVENT:
{
VALUE args[4];
/* Get a list of tag directives (if any) */
VALUE tag_directives = rb_ary_new();
/* Grab the document version */
VALUE version = event.data.document_start.version_directive ?
rb_ary_new3(
(long)2,
INT2NUM((long)event.data.document_start.version_directive->major),
INT2NUM((long)event.data.document_start.version_directive->minor)
) : rb_ary_new();
if(event.data.document_start.tag_directives.start) {
yaml_tag_directive_t *start =
event.data.document_start.tag_directives.start;
yaml_tag_directive_t *end =
event.data.document_start.tag_directives.end;
for(; start != end; start++) {
VALUE handle = Qnil;
VALUE prefix = Qnil;
if(start->handle) {
handle = rb_str_new2((const char *)start->handle);
if (tainted) OBJ_TAINT(handle);
PSYCH_TRANSCODE(handle, encoding, internal_enc);
}
if(start->prefix) {
prefix = rb_str_new2((const char *)start->prefix);
if (tainted) OBJ_TAINT(prefix);
PSYCH_TRANSCODE(prefix, encoding, internal_enc);
}
rb_ary_push(tag_directives, rb_ary_new3((long)2, handle, prefix));
}
}
args[0] = handler;
args[1] = version;
args[2] = tag_directives;
args[3] = event.data.document_start.implicit == 1 ? Qtrue : Qfalse;
rb_protect(protected_start_document, (VALUE)args, &state);
}
break;
case YAML_DOCUMENT_END_EVENT:
{
VALUE args[2];
args[0] = handler;
args[1] = event.data.document_end.implicit == 1 ? Qtrue : Qfalse;
rb_protect(protected_end_document, (VALUE)args, &state);
}
break;
case YAML_ALIAS_EVENT:
{
VALUE args[2];
VALUE alias = Qnil;
if(event.data.alias.anchor) {
alias = rb_str_new2((const char *)event.data.alias.anchor);
if (tainted) OBJ_TAINT(alias);
PSYCH_TRANSCODE(alias, encoding, internal_enc);
}
args[0] = handler;
args[1] = alias;
rb_protect(protected_alias, (VALUE)args, &state);
}
break;
case YAML_SCALAR_EVENT:
{
VALUE args[7];
VALUE anchor = Qnil;
VALUE tag = Qnil;
VALUE plain_implicit, quoted_implicit, style;
VALUE val = rb_str_new(
(const char *)event.data.scalar.value,
(long)event.data.scalar.length
);
if (tainted) OBJ_TAINT(val);
PSYCH_TRANSCODE(val, encoding, internal_enc);
if(event.data.scalar.anchor) {
anchor = rb_str_new2((const char *)event.data.scalar.anchor);
if (tainted) OBJ_TAINT(anchor);
PSYCH_TRANSCODE(anchor, encoding, internal_enc);
}
if(event.data.scalar.tag) {
tag = rb_str_new2((const char *)event.data.scalar.tag);
if (tainted) OBJ_TAINT(tag);
PSYCH_TRANSCODE(tag, encoding, internal_enc);
}
plain_implicit =
event.data.scalar.plain_implicit == 0 ? Qfalse : Qtrue;
quoted_implicit =
event.data.scalar.quoted_implicit == 0 ? Qfalse : Qtrue;
style = INT2NUM((long)event.data.scalar.style);
args[0] = handler;
args[1] = val;
args[2] = anchor;
args[3] = tag;
args[4] = plain_implicit;
args[5] = quoted_implicit;
args[6] = style;
rb_protect(protected_scalar, (VALUE)args, &state);
}
break;
case YAML_SEQUENCE_START_EVENT:
{
VALUE args[5];
VALUE anchor = Qnil;
VALUE tag = Qnil;
VALUE implicit, style;
if(event.data.sequence_start.anchor) {
anchor = rb_str_new2((const char *)event.data.sequence_start.anchor);
if (tainted) OBJ_TAINT(anchor);
PSYCH_TRANSCODE(anchor, encoding, internal_enc);
}
tag = Qnil;
if(event.data.sequence_start.tag) {
tag = rb_str_new2((const char *)event.data.sequence_start.tag);
if (tainted) OBJ_TAINT(tag);
PSYCH_TRANSCODE(tag, encoding, internal_enc);
}
implicit =
event.data.sequence_start.implicit == 0 ? Qfalse : Qtrue;
style = INT2NUM((long)event.data.sequence_start.style);
args[0] = handler;
args[1] = anchor;
args[2] = tag;
args[3] = implicit;
args[4] = style;
rb_protect(protected_start_sequence, (VALUE)args, &state);
}
break;
case YAML_SEQUENCE_END_EVENT:
rb_protect(protected_end_sequence, handler, &state);
break;
case YAML_MAPPING_START_EVENT:
{
VALUE args[5];
VALUE anchor = Qnil;
VALUE tag = Qnil;
VALUE implicit, style;
if(event.data.mapping_start.anchor) {
anchor = rb_str_new2((const char *)event.data.mapping_start.anchor);
if (tainted) OBJ_TAINT(anchor);
PSYCH_TRANSCODE(anchor, encoding, internal_enc);
}
if(event.data.mapping_start.tag) {
tag = rb_str_new2((const char *)event.data.mapping_start.tag);
if (tainted) OBJ_TAINT(tag);
PSYCH_TRANSCODE(tag, encoding, internal_enc);
}
implicit =
event.data.mapping_start.implicit == 0 ? Qfalse : Qtrue;
style = INT2NUM((long)event.data.mapping_start.style);
args[0] = handler;
args[1] = anchor;
args[2] = tag;
args[3] = implicit;
args[4] = style;
rb_protect(protected_start_mapping, (VALUE)args, &state);
}
break;
case YAML_MAPPING_END_EVENT:
rb_protect(protected_end_mapping, handler, &state);
break;
case YAML_NO_EVENT:
rb_protect(protected_empty, handler, &state);
break;
case YAML_STREAM_END_EVENT:
rb_protect(protected_end_stream, handler, &state);
done = 1;
break;
}
yaml_event_delete(&event);
if (state) rb_jump_tag(state);
}
return self;
}
void
rb_secure_update(VALUE obj)
{
if (!OBJ_TAINTED(obj))
rb_secure(4);
}
static VALUE
function_call(int argc, VALUE argv[], VALUE self)
{
struct nogvl_ffi_call_args args = { 0 };
fiddle_generic *generic_args;
VALUE cfunc, types, cPointer;
int i;
VALUE alloc_buffer = 0;
cfunc = rb_iv_get(self, "@ptr");
types = rb_iv_get(self, "@args");
cPointer = rb_const_get(mFiddle, rb_intern("Pointer"));
Check_Max_Args("number of arguments", argc);
if (argc != (i = RARRAY_LENINT(types))) {
rb_error_arity(argc, i, i);
}
TypedData_Get_Struct(self, ffi_cif, &function_data_type, args.cif);
if (rb_safe_level() >= 1) {
for (i = 0; i < argc; i++) {
VALUE src = argv[i];
if (OBJ_TAINTED(src)) {
rb_raise(rb_eSecurityError, "tainted parameter not allowed");
}
}
}
generic_args = ALLOCV(alloc_buffer,
(size_t)(argc + 1) * sizeof(void *) + (size_t)argc * sizeof(fiddle_generic));
args.values = (void **)((char *)generic_args +
(size_t)argc * sizeof(fiddle_generic));
for (i = 0; i < argc; i++) {
VALUE type = RARRAY_AREF(types, i);
VALUE src = argv[i];
int argtype = FIX2INT(type);
if (argtype == TYPE_VOIDP) {
if(NIL_P(src)) {
src = INT2FIX(0);
} else if(cPointer != CLASS_OF(src)) {
src = rb_funcall(cPointer, rb_intern("[]"), 1, src);
}
src = rb_Integer(src);
}
VALUE2GENERIC(argtype, src, &generic_args[i]);
args.values[i] = (void *)&generic_args[i];
}
args.values[argc] = NULL;
args.fn = NUM2PTR(cfunc);
(void)rb_thread_call_without_gvl(nogvl_ffi_call, &args, 0, 0);
rb_funcall(mFiddle, rb_intern("last_error="), 1, INT2NUM(errno));
#if defined(_WIN32)
rb_funcall(mFiddle, rb_intern("win32_last_error="), 1, INT2NUM(errno));
#endif
ALLOCV_END(alloc_buffer);
return GENERIC2VALUE(rb_iv_get(self, "@return_type"), args.retval);
}
VALUE
rb_str_format(int argc, const VALUE *argv, VALUE fmt)
{
enum {default_float_precision = 6};
rb_encoding *enc;
const char *p, *end;
char *buf;
long blen, bsiz;
VALUE result;
long scanned = 0;
int coderange = ENC_CODERANGE_7BIT;
int width, prec, flags = FNONE;
int nextarg = 1;
int posarg = 0;
int tainted = 0;
VALUE nextvalue;
VALUE tmp;
VALUE str;
volatile VALUE hash = Qundef;
#define CHECK_FOR_WIDTH(f) \
if ((f) & FWIDTH) { \
rb_raise(rb_eArgError, "width given twice"); \
} \
if ((f) & FPREC0) { \
rb_raise(rb_eArgError, "width after precision"); \
}
#define CHECK_FOR_FLAGS(f) \
if ((f) & FWIDTH) { \
rb_raise(rb_eArgError, "flag after width"); \
} \
if ((f) & FPREC0) { \
rb_raise(rb_eArgError, "flag after precision"); \
}
++argc;
--argv;
if (OBJ_TAINTED(fmt)) tainted = 1;
StringValue(fmt);
enc = rb_enc_get(fmt);
fmt = rb_str_new4(fmt);
p = RSTRING_PTR(fmt);
end = p + RSTRING_LEN(fmt);
blen = 0;
bsiz = 120;
result = rb_str_buf_new(bsiz);
rb_enc_copy(result, fmt);
buf = RSTRING_PTR(result);
memset(buf, 0, bsiz);
ENC_CODERANGE_SET(result, coderange);
for (; p < end; p++) {
const char *t;
int n;
VALUE sym = Qnil;
for (t = p; t < end && *t != '%'; t++) ;
PUSH(p, t - p);
if (coderange != ENC_CODERANGE_BROKEN && scanned < blen) {
scanned += rb_str_coderange_scan_restartable(buf+scanned, buf+blen, enc, &coderange);
ENC_CODERANGE_SET(result, coderange);
}
if (t >= end) {
/* end of fmt string */
goto sprint_exit;
}
p = t + 1; /* skip `%' */
width = prec = -1;
nextvalue = Qundef;
retry:
switch (*p) {
default:
if (rb_enc_isprint(*p, enc))
rb_raise(rb_eArgError, "malformed format string - %%%c", *p);
else
rb_raise(rb_eArgError, "malformed format string");
break;
case ' ':
CHECK_FOR_FLAGS(flags);
flags |= FSPACE;
p++;
goto retry;
case '#':
CHECK_FOR_FLAGS(flags);
flags |= FSHARP;
p++;
goto retry;
case '+':
CHECK_FOR_FLAGS(flags);
flags |= FPLUS;
p++;
goto retry;
case '-':
CHECK_FOR_FLAGS(flags);
flags |= FMINUS;
p++;
goto retry;
case '0':
CHECK_FOR_FLAGS(flags);
flags |= FZERO;
p++;
goto retry;
case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
n = 0;
GETNUM(n, width);
if (*p == '$') {
if (nextvalue != Qundef) {
rb_raise(rb_eArgError, "value given twice - %d$", n);
}
nextvalue = GETPOSARG(n);
p++;
goto retry;
}
CHECK_FOR_WIDTH(flags);
width = n;
flags |= FWIDTH;
goto retry;
case '<':
case '{':
{
const char *start = p;
char term = (*p == '<') ? '>' : '}';
int len;
for (; p < end && *p != term; ) {
p += rb_enc_mbclen(p, end, enc);
}
if (p >= end) {
rb_raise(rb_eArgError, "malformed name - unmatched parenthesis");
}
#if SIZEOF_INT < SIZEOF_SIZE_T
if ((size_t)(p - start) >= INT_MAX) {
const int message_limit = 20;
len = (int)(rb_enc_right_char_head(start, start + message_limit, p, enc) - start);
rb_enc_raise(enc, rb_eArgError,
"too long name (%"PRIdSIZE" bytes) - %.*s...%c",
(size_t)(p - start - 2), len, start, term);
}
#endif
len = (int)(p - start + 1); /* including parenthesis */
if (sym != Qnil) {
rb_enc_raise(enc, rb_eArgError, "named%.*s after <%"PRIsVALUE">",
len, start, rb_sym2str(sym));
}
CHECKNAMEARG(start, len, enc);
get_hash(&hash, argc, argv);
sym = rb_check_symbol_cstr(start + 1,
len - 2 /* without parenthesis */,
enc);
if (!NIL_P(sym)) nextvalue = rb_hash_lookup2(hash, sym, Qundef);
if (nextvalue == Qundef) {
if (NIL_P(sym)) {
sym = rb_sym_intern(start + 1,
len - 2 /* without parenthesis */,
enc);
}
nextvalue = rb_hash_default_value(hash, sym);
if (NIL_P(nextvalue)) {
rb_enc_raise(enc, rb_eKeyError, "key%.*s not found", len, start);
}
}
if (term == '}') goto format_s;
p++;
goto retry;
}
case '*':
CHECK_FOR_WIDTH(flags);
flags |= FWIDTH;
GETASTER(width);
if (width < 0) {
flags |= FMINUS;
width = -width;
}
p++;
goto retry;
case '.':
if (flags & FPREC0) {
rb_raise(rb_eArgError, "precision given twice");
}
flags |= FPREC|FPREC0;
prec = 0;
p++;
if (*p == '*') {
GETASTER(prec);
if (prec < 0) { /* ignore negative precision */
flags &= ~FPREC;
}
p++;
goto retry;
}
GETNUM(prec, precision);
goto retry;
case '\n':
case '\0':
p--;
case '%':
if (flags != FNONE) {
rb_raise(rb_eArgError, "invalid format character - %%");
}
PUSH("%", 1);
break;
case 'c':
{
VALUE val = GETARG();
VALUE tmp;
unsigned int c;
int n;
tmp = rb_check_string_type(val);
if (!NIL_P(tmp)) {
if (rb_enc_strlen(RSTRING_PTR(tmp),RSTRING_END(tmp),enc) != 1) {
rb_raise(rb_eArgError, "%%c requires a character");
}
c = rb_enc_codepoint_len(RSTRING_PTR(tmp), RSTRING_END(tmp), &n, enc);
RB_GC_GUARD(tmp);
}
else {
c = NUM2INT(val);
n = rb_enc_codelen(c, enc);
}
if (n <= 0) {
rb_raise(rb_eArgError, "invalid character");
}
if (!(flags & FWIDTH)) {
CHECK(n);
rb_enc_mbcput(c, &buf[blen], enc);
blen += n;
}
else if ((flags & FMINUS)) {
CHECK(n);
rb_enc_mbcput(c, &buf[blen], enc);
blen += n;
if (width > 1) FILL(' ', width-1);
}
else {
if (width > 1) FILL(' ', width-1);
CHECK(n);
rb_enc_mbcput(c, &buf[blen], enc);
blen += n;
}
}
break;
case 's':
case 'p':
format_s:
{
VALUE arg = GETARG();
long len, slen;
if (*p == 'p') {
str = rb_inspect(arg);
}
else {
str = rb_obj_as_string(arg);
}
if (OBJ_TAINTED(str)) tainted = 1;
len = RSTRING_LEN(str);
rb_str_set_len(result, blen);
if (coderange != ENC_CODERANGE_BROKEN && scanned < blen) {
int cr = coderange;
scanned += rb_str_coderange_scan_restartable(buf+scanned, buf+blen, enc, &cr);
ENC_CODERANGE_SET(result,
(cr == ENC_CODERANGE_UNKNOWN ?
ENC_CODERANGE_BROKEN : (coderange = cr)));
}
enc = rb_enc_check(result, str);
if (flags&(FPREC|FWIDTH)) {
slen = rb_enc_strlen(RSTRING_PTR(str),RSTRING_END(str),enc);
if (slen < 0) {
rb_raise(rb_eArgError, "invalid mbstring sequence");
}
if ((flags&FPREC) && (prec < slen)) {
char *p = rb_enc_nth(RSTRING_PTR(str), RSTRING_END(str),
prec, enc);
slen = prec;
len = p - RSTRING_PTR(str);
}
/* need to adjust multi-byte string pos */
if ((flags&FWIDTH) && (width > slen)) {
width -= (int)slen;
if (!(flags&FMINUS)) {
CHECK(width);
while (width--) {
buf[blen++] = ' ';
}
}
CHECK(len);
memcpy(&buf[blen], RSTRING_PTR(str), len);
RB_GC_GUARD(str);
blen += len;
if (flags&FMINUS) {
CHECK(width);
while (width--) {
buf[blen++] = ' ';
}
}
rb_enc_associate(result, enc);
break;
}
}
PUSH(RSTRING_PTR(str), len);
RB_GC_GUARD(str);
rb_enc_associate(result, enc);
}
break;
case 'd':
case 'i':
case 'o':
case 'x':
case 'X':
case 'b':
case 'B':
case 'u':
{
volatile VALUE val = GETARG();
int valsign;
char nbuf[64], *s;
const char *prefix = 0;
int sign = 0, dots = 0;
char sc = 0;
long v = 0;
int base, bignum = 0;
int len;
switch (*p) {
case 'd':
case 'i':
case 'u':
sign = 1; break;
case 'o':
case 'x':
case 'X':
case 'b':
case 'B':
if (flags&(FPLUS|FSPACE)) sign = 1;
break;
}
if (flags & FSHARP) {
switch (*p) {
case 'o':
prefix = "0"; break;
case 'x':
prefix = "0x"; break;
case 'X':
prefix = "0X"; break;
case 'b':
prefix = "0b"; break;
case 'B':
prefix = "0B"; break;
}
}
bin_retry:
switch (TYPE(val)) {
case T_FLOAT:
if (FIXABLE(RFLOAT_VALUE(val))) {
val = LONG2FIX((long)RFLOAT_VALUE(val));
goto bin_retry;
}
val = rb_dbl2big(RFLOAT_VALUE(val));
if (FIXNUM_P(val)) goto bin_retry;
bignum = 1;
break;
case T_STRING:
val = rb_str_to_inum(val, 0, TRUE);
goto bin_retry;
case T_BIGNUM:
bignum = 1;
break;
case T_FIXNUM:
v = FIX2LONG(val);
break;
default:
val = rb_Integer(val);
goto bin_retry;
}
switch (*p) {
case 'o':
base = 8; break;
case 'x':
case 'X':
base = 16; break;
case 'b':
case 'B':
base = 2; break;
case 'u':
case 'd':
case 'i':
default:
base = 10; break;
}
if (base != 10) {
int numbits = ffs(base)-1;
size_t abs_nlz_bits;
size_t numdigits = rb_absint_numwords(val, numbits, &abs_nlz_bits);
long i;
if (INT_MAX-1 < numdigits) /* INT_MAX is used because rb_long2int is used later. */
rb_raise(rb_eArgError, "size too big");
if (sign) {
if (numdigits == 0)
numdigits = 1;
tmp = rb_str_new(NULL, numdigits);
valsign = rb_integer_pack(val, RSTRING_PTR(tmp), RSTRING_LEN(tmp),
1, CHAR_BIT-numbits, INTEGER_PACK_BIG_ENDIAN);
for (i = 0; i < RSTRING_LEN(tmp); i++)
RSTRING_PTR(tmp)[i] = ruby_digitmap[((unsigned char *)RSTRING_PTR(tmp))[i]];
s = RSTRING_PTR(tmp);
if (valsign < 0) {
sc = '-';
width--;
}
else if (flags & FPLUS) {
sc = '+';
width--;
}
else if (flags & FSPACE) {
sc = ' ';
width--;
}
}
else {
/* Following conditional "numdigits++" guarantees the
* most significant digit as
* - '1'(bin), '7'(oct) or 'f'(hex) for negative numbers
* - '0' for zero
* - not '0' for positive numbers.
*
* It also guarantees the most significant two
* digits will not be '11'(bin), '77'(oct), 'ff'(hex)
* or '00'. */
if (numdigits == 0 ||
((abs_nlz_bits != (size_t)(numbits-1) ||
!rb_absint_singlebit_p(val)) &&
(!bignum ? v < 0 : BIGNUM_NEGATIVE_P(val))))
numdigits++;
tmp = rb_str_new(NULL, numdigits);
valsign = rb_integer_pack(val, RSTRING_PTR(tmp), RSTRING_LEN(tmp),
1, CHAR_BIT-numbits, INTEGER_PACK_2COMP | INTEGER_PACK_BIG_ENDIAN);
for (i = 0; i < RSTRING_LEN(tmp); i++)
RSTRING_PTR(tmp)[i] = ruby_digitmap[((unsigned char *)RSTRING_PTR(tmp))[i]];
s = RSTRING_PTR(tmp);
dots = valsign < 0;
}
len = rb_long2int(RSTRING_END(tmp) - s);
}
else if (!bignum) {
valsign = 1;
if (v < 0) {
v = -v;
sc = '-';
width--;
valsign = -1;
}
else if (flags & FPLUS) {
sc = '+';
width--;
}
else if (flags & FSPACE) {
sc = ' ';
width--;
}
snprintf(nbuf, sizeof(nbuf), "%ld", v);
s = nbuf;
len = (int)strlen(s);
}
else {
tmp = rb_big2str(val, 10);
s = RSTRING_PTR(tmp);
valsign = 1;
if (s[0] == '-') {
s++;
sc = '-';
width--;
valsign = -1;
}
else if (flags & FPLUS) {
sc = '+';
width--;
}
else if (flags & FSPACE) {
sc = ' ';
width--;
}
len = rb_long2int(RSTRING_END(tmp) - s);
}
if (dots) {
prec -= 2;
width -= 2;
}
if (*p == 'X') {
char *pp = s;
int c;
while ((c = (int)(unsigned char)*pp) != 0) {
*pp = rb_enc_toupper(c, enc);
pp++;
}
}
if (prefix && !prefix[1]) { /* octal */
if (dots) {
prefix = 0;
}
else if (len == 1 && *s == '0') {
len = 0;
if (flags & FPREC) prec--;
}
else if ((flags & FPREC) && (prec > len)) {
prefix = 0;
}
}
else if (len == 1 && *s == '0') {
prefix = 0;
}
if (prefix) {
width -= (int)strlen(prefix);
}
if ((flags & (FZERO|FMINUS|FPREC)) == FZERO) {
prec = width;
width = 0;
}
else {
if (prec < len) {
if (!prefix && prec == 0 && len == 1 && *s == '0') len = 0;
prec = len;
}
width -= prec;
}
if (!(flags&FMINUS)) {
CHECK(width);
while (width-- > 0) {
buf[blen++] = ' ';
}
}
if (sc) PUSH(&sc, 1);
if (prefix) {
int plen = (int)strlen(prefix);
PUSH(prefix, plen);
}
CHECK(prec - len);
if (dots) PUSH("..", 2);
if (!sign && valsign < 0) {
char c = sign_bits(base, p);
while (len < prec--) {
buf[blen++] = c;
}
}
else if ((flags & (FMINUS|FPREC)) != FMINUS) {
while (len < prec--) {
buf[blen++] = '0';
}
}
PUSH(s, len);
RB_GC_GUARD(tmp);
CHECK(width);
while (width-- > 0) {
buf[blen++] = ' ';
}
}
break;
case 'f':
{
VALUE val = GETARG(), num, den;
int sign = (flags&FPLUS) ? 1 : 0, zero = 0;
long len, done = 0;
int prefix = 0;
if (FIXNUM_P(val) || RB_TYPE_P(val, T_BIGNUM)) {
den = INT2FIX(1);
num = val;
}
else if (RB_TYPE_P(val, T_RATIONAL)) {
den = rb_rational_den(val);
num = rb_rational_num(val);
}
else {
nextvalue = val;
goto float_value;
}
if (!(flags&FPREC)) prec = default_float_precision;
if (FIXNUM_P(num)) {
if ((SIGNED_VALUE)num < 0) {
long n = -FIX2LONG(num);
num = LONG2FIX(n);
sign = -1;
}
}
else if (rb_num_negative_p(num)) {
sign = -1;
num = rb_funcallv(num, idUMinus, 0, 0);
}
if (den != INT2FIX(1) || prec > 1) {
const ID idDiv = rb_intern("div");
VALUE p10 = rb_int_positive_pow(10, prec);
VALUE den_2 = rb_funcall(den, idDiv, 1, INT2FIX(2));
num = rb_funcallv(num, '*', 1, &p10);
num = rb_funcallv(num, '+', 1, &den_2);
num = rb_funcallv(num, idDiv, 1, &den);
}
else if (prec >= 0) {
zero = prec;
}
val = rb_obj_as_string(num);
len = RSTRING_LEN(val) + zero;
if (prec >= len) len = prec + 1; /* integer part 0 */
if (sign || (flags&FSPACE)) ++len;
if (prec > 0) ++len; /* period */
CHECK(len > width ? len : width);
if (sign || (flags&FSPACE)) {
buf[blen++] = sign > 0 ? '+' : sign < 0 ? '-' : ' ';
prefix++;
done++;
}
len = RSTRING_LEN(val) + zero;
t = RSTRING_PTR(val);
if (len > prec) {
memcpy(&buf[blen], t, len - prec);
blen += len - prec;
done += len - prec;
}
else {
buf[blen++] = '0';
done++;
}
if (prec > 0) {
buf[blen++] = '.';
done++;
}
if (zero) {
FILL('0', zero);
done += zero;
}
else if (prec > len) {
FILL('0', prec - len);
memcpy(&buf[blen], t, len);
blen += len;
done += prec;
}
else if (prec > 0) {
memcpy(&buf[blen], t + len - prec, prec);
blen += prec;
done += prec;
}
if ((flags & FWIDTH) && width > done) {
int fill = ' ';
long shifting = 0;
if (!(flags&FMINUS)) {
shifting = done;
if (flags&FZERO) {
shifting -= prefix;
fill = '0';
}
blen -= shifting;
memmove(&buf[blen + width - done], &buf[blen], shifting);
}
FILL(fill, width - done);
blen += shifting;
}
RB_GC_GUARD(val);
break;
}
case 'g':
case 'G':
case 'e':
case 'E':
/* TODO: rational support */
case 'a':
case 'A':
float_value:
{
VALUE val = GETARG();
double fval;
int i, need;
char fbuf[32];
fval = RFLOAT_VALUE(rb_Float(val));
if (isnan(fval) || isinf(fval)) {
const char *expr;
if (isnan(fval)) {
expr = "NaN";
}
else {
expr = "Inf";
}
need = (int)strlen(expr);
if ((!isnan(fval) && fval < 0.0) || (flags & FPLUS))
need++;
if ((flags & FWIDTH) && need < width)
need = width;
CHECK(need + 1);
snprintf(&buf[blen], need + 1, "%*s", need, "");
if (flags & FMINUS) {
if (!isnan(fval) && fval < 0.0)
buf[blen++] = '-';
else if (flags & FPLUS)
buf[blen++] = '+';
else if (flags & FSPACE)
blen++;
memcpy(&buf[blen], expr, strlen(expr));
}
else {
if (!isnan(fval) && fval < 0.0)
buf[blen + need - strlen(expr) - 1] = '-';
else if (flags & FPLUS)
buf[blen + need - strlen(expr) - 1] = '+';
else if ((flags & FSPACE) && need > width)
blen++;
memcpy(&buf[blen + need - strlen(expr)], expr,
strlen(expr));
}
blen += strlen(&buf[blen]);
break;
}
fmt_setup(fbuf, sizeof(fbuf), *p, flags, width, prec);
need = 0;
if (*p != 'e' && *p != 'E') {
i = INT_MIN;
frexp(fval, &i);
if (i > 0)
need = BIT_DIGITS(i);
}
need += (flags&FPREC) ? prec : default_float_precision;
if ((flags&FWIDTH) && need < width)
need = width;
need += 20;
CHECK(need);
snprintf(&buf[blen], need, fbuf, fval);
blen += strlen(&buf[blen]);
}
break;
}
flags = FNONE;
}
sprint_exit:
RB_GC_GUARD(fmt);
/* XXX - We cannot validate the number of arguments if (digit)$ style used.
*/
if (posarg >= 0 && nextarg < argc) {
const char *mesg = "too many arguments for format string";
if (RTEST(ruby_debug)) rb_raise(rb_eArgError, "%s", mesg);
if (RTEST(ruby_verbose)) rb_warn("%s", mesg);
}
rb_str_resize(result, blen);
if (tainted) OBJ_TAINT(result);
return result;
}
static VALUE
inspect_enumerator(VALUE obj, VALUE dummy, int recur)
{
struct enumerator *e;
const char *cname;
VALUE eobj, eargs, str, method;
int tainted, untrusted;
TypedData_Get_Struct(obj, struct enumerator, &enumerator_data_type, e);
cname = rb_obj_classname(obj);
if (!e || e->obj == Qundef) {
return rb_sprintf("#<%s: uninitialized>", cname);
}
if (recur) {
str = rb_sprintf("#<%s: ...>", cname);
OBJ_TAINT(str);
return str;
}
eobj = rb_attr_get(obj, id_receiver);
if (NIL_P(eobj)) {
eobj = e->obj;
}
tainted = OBJ_TAINTED(eobj);
untrusted = OBJ_UNTRUSTED(eobj);
/* (1..100).each_cons(2) => "#<Enumerator: 1..100:each_cons(2)>" */
str = rb_sprintf("#<%s: ", cname);
rb_str_concat(str, rb_inspect(eobj));
method = rb_attr_get(obj, id_method);
if (NIL_P(method)) {
rb_str_buf_cat2(str, ":");
rb_str_buf_cat2(str, rb_id2name(e->meth));
}
else if (method != Qfalse) {
Check_Type(method, T_SYMBOL);
rb_str_buf_cat2(str, ":");
rb_str_buf_cat2(str, rb_id2name(SYM2ID(method)));
}
eargs = rb_attr_get(obj, id_arguments);
if (NIL_P(eargs)) {
eargs = e->args;
}
if (eargs != Qfalse) {
long argc = RARRAY_LEN(eargs);
VALUE *argv = RARRAY_PTR(eargs);
if (argc > 0) {
rb_str_buf_cat2(str, "(");
while (argc--) {
VALUE arg = *argv++;
rb_str_concat(str, rb_inspect(arg));
rb_str_buf_cat2(str, argc > 0 ? ", " : ")");
if (OBJ_TAINTED(arg)) tainted = TRUE;
if (OBJ_UNTRUSTED(arg)) untrusted = TRUE;
}
}
}
rb_str_buf_cat2(str, ">");
if (tainted) OBJ_TAINT(str);
if (untrusted) OBJ_UNTRUST(str);
return str;
}
static VALUE
function_call(int argc, VALUE argv[], VALUE self)
{
ffi_cif * cif;
fiddle_generic retval;
fiddle_generic *generic_args;
void **values;
VALUE cfunc, types, cPointer;
int i;
cfunc = rb_iv_get(self, "@ptr");
types = rb_iv_get(self, "@args");
cPointer = rb_const_get(mFiddle, rb_intern("Pointer"));
if(argc != RARRAY_LENINT(types)) {
rb_raise(rb_eArgError, "wrong number of arguments (%d for %d)",
argc, RARRAY_LENINT(types));
}
TypedData_Get_Struct(self, ffi_cif, &function_data_type, cif);
if (rb_safe_level() >= 1) {
for (i = 0; i < argc; i++) {
VALUE src = argv[i];
if (OBJ_TAINTED(src)) {
rb_raise(rb_eSecurityError, "tainted parameter not allowed");
}
}
}
values = xcalloc((size_t)argc + 1, (size_t)sizeof(void *));
generic_args = xcalloc((size_t)argc, (size_t)sizeof(fiddle_generic));
for (i = 0; i < argc; i++) {
VALUE type = RARRAY_PTR(types)[i];
VALUE src = argv[i];
if(NUM2INT(type) == TYPE_VOIDP) {
if(NIL_P(src)) {
src = INT2NUM(0);
} else if(cPointer != CLASS_OF(src)) {
src = rb_funcall(cPointer, rb_intern("[]"), 1, src);
}
src = rb_Integer(src);
}
VALUE2GENERIC(NUM2INT(type), src, &generic_args[i]);
values[i] = (void *)&generic_args[i];
}
values[argc] = NULL;
ffi_call(cif, NUM2PTR(rb_Integer(cfunc)), &retval, values);
rb_funcall(mFiddle, rb_intern("last_error="), 1, INT2NUM(errno));
#if defined(_WIN32)
rb_funcall(mFiddle, rb_intern("win32_last_error="), 1, INT2NUM(errno));
#endif
xfree(values);
xfree(generic_args);
return GENERIC2VALUE(rb_iv_get(self, "@return_type"), retval);
}
