int xwaddnstr (WINDOW *win, const char *str, const int n)
{
int res, width, inv_char;
wchar_t *ucs;
char *mstr, *lstr;
size_t size, num_chars;
assert (n > 0);
assert (str != NULL);
mstr = iconv_str (iconv_desc, str);
size = xmbstowcs (NULL, mstr, -1, NULL) + 1;
ucs = (wchar_t *)xmalloc (sizeof(wchar_t) * size);
xmbstowcs (ucs, mstr, size, &inv_char);
width = wcswidth (ucs, WIDTH_MAX);
if (width == -1) {
size_t clidx;
for (clidx = 0; clidx < size - 1; clidx++) {
if (wcwidth (ucs[clidx]) == -1)
ucs[clidx] = L'?';
}
width = wcswidth (ucs, WIDTH_MAX);
inv_char = 1;
}
if (width > n) {
while (width > n)
width -= wcwidth (ucs[--size]);
ucs[size] = L'\0';
}
num_chars = wcstombs (NULL, ucs, 0);
lstr = (char *)xmalloc (num_chars + 1);
if (inv_char)
wcstombs (lstr, ucs, num_chars + 1);
else
snprintf (lstr, num_chars + 1, "%s", mstr);
res = waddstr (win, lstr);
free (ucs);
free (lstr);
free (mstr);
return res;
}
int
tst_wcswidth (FILE *fp, int debug_flg)
{
TST_DECL_VARS (int);
wchar_t *ws;
int n;
TST_DO_TEST (wcswidth)
{
TST_HEAD_LOCALE (wcswidth, S_WCSWIDTH);
TST_DO_REC (wcswidth)
{
TST_GET_ERRET (wcswidth);
ws = TST_INPUT (wcswidth).ws;
n = TST_INPUT (wcswidth).n;
ret = wcswidth (ws, n);
if (debug_flg)
{
fprintf (stderr, "wcswidth: [ %d ] : ret = %d\n", rec + 1, ret);
}
TST_IF_RETURN (S_WCSWIDTH)
{
};
}
}
return err_count;
}
int ustrwid(wchar_t const *s, int charset)
{
char buf[256];
int wid, len = ustrlen(s);
charset_state state = CHARSET_INIT_STATE;
wid = 0;
while (len > 0) {
int err;
wchar_t const *s_orig;
err = 0;
s_orig = s;
charset_from_unicode(&s, &len, buf, lenof(buf), charset, &state, &err);
wid += wcswidth(s_orig, s - s_orig);
if (err) {
assert(len > 0 && *s);
s++;
len--;
}
}
return wid;
}
/* Return a malloc()ed string containing the tail of 'str' up to a
* maximum of 'len' characters (in columns occupied on the screen). */
char *xstrtail (const char *str, const int len)
{
wchar_t *ucs;
wchar_t *ucs_tail;
size_t size;
int width;
char *tail;
assert (str != NULL);
assert (len > 0);
size = xmbstowcs(NULL, str, -1, NULL) + 1;
ucs = (wchar_t *)xmalloc (sizeof(wchar_t) * size);
xmbstowcs (ucs, str, size, NULL);
ucs_tail = ucs;
width = wcswidth (ucs, WIDTH_MAX);
assert (width >= 0);
while (width > len)
width -= wcwidth (*ucs_tail++);
size = wcstombs (NULL, ucs_tail, 0) + 1;
tail = (char *)xmalloc (size);
wcstombs (tail, ucs_tail, size);
free (ucs);
return tail;
}
size_t utils::strwidth(const std::string& str) {
std::wstring wstr = str2wstr(str);
int width = wcswidth(wstr.c_str(), wstr.length());
if (width < 1) // a non-printable character found?
return wstr.length(); // return a sane width (which might be larger than necessary)
return width; // exact width
}
int
utf8_strlen_screen (const char *string)
{
int length, num_char;
wchar_t *wstring;
if (!string)
return 0;
if (!local_utf8)
return utf8_strlen (string);
num_char = mbstowcs (NULL, string, 0) + 1;
wstring = malloc ((num_char + 1) * sizeof (wstring[0]));
if (!wstring)
return utf8_strlen (string);
if (mbstowcs (wstring, string, num_char) == (size_t)(-1))
{
free (wstring);
return utf8_strlen (string);
}
length = wcswidth (wstring, num_char);
free (wstring);
return length;
}
/*
* Return the cursor position of the cursor in the line.
* Note 1: This function doesn't return the cursor position in the whole command line.
* A line is every wide characters separated by L'\n' or L'\0'.
* Note 2 : This function return the number of column used.
* It may not correspond to the number of characters.
*/
static int sizeOfOneLineInTerm(wchar_t * CommandLine, unsigned int cursorLocation)
{
unsigned int beginningOfLine = cursorLocation;
int sizeOfLineInTerm = 0;
wchar_t saveLastWChar = 0;
/* Character under cursor saved */
saveLastWChar = CommandLine[cursorLocation];
/* Set the end of the line to the cursor position */
CommandLine[cursorLocation] = L'\0';
/* Looking for the beginning of the line (L'\n' or beginning of the command line) */
while (CommandLine[beginningOfLine] != L'\n' && beginningOfLine)
{
beginningOfLine--;
}
/* If the line is the first of the command, prompt size must be added */
if (!beginningOfLine)
{
sizeOfLineInTerm += printPrompt(NOWRITE_PROMPT);
}
/* If L'\n' is found, the line start to the next character */
if (CommandLine[beginningOfLine] == L'\n')
{
beginningOfLine++;
}
/* Set the beginning of the line */
CommandLine += beginningOfLine;
/* Get the number of column used by the line */
sizeOfLineInTerm += wcswidth(CommandLine, wcslen(CommandLine));
/* Previously saved character put back in the command line */
CommandLine[cursorLocation - beginningOfLine] = saveLastWChar;
return sizeOfLineInTerm;
}
/* Moves cursor to the end of command-line on Ctrl+E and End. */
static void
cmd_end(key_info_t key_info, keys_info_t *keys_info)
{
input_stat.index = input_stat.len;
input_stat.curs_pos = input_stat.prompt_wid +
wcswidth(input_stat.line, (size_t)-1);
update_cursor();
}
size_t wideLength(const std::wstring &ws)
{
int len = wcswidth(ws.c_str(), -1);
if (len < 0)
return ws.length();
else
return len;
}
static int wis_2cols(wchar_t c)
{
wchar_t buf[256];
buf[0] = c;
buf[1] = 0;
return wcswidth(buf, 10) == 2;
}
size_t
gcc_gettext_width (const char *msgstr)
{
size_t nwcs = mbstowcs (0, msgstr, 0);
wchar_t *wmsgstr = alloca ((nwcs + 1) * sizeof (wchar_t));
mbstowcs (wmsgstr, msgstr, nwcs + 1);
return wcswidth (wmsgstr, nwcs);
}
int getpadding(int len, char *str)
{
wchar_t wbuffer[64];
if (!cfg.utflocale) {
return len;
}
if ((int)mbstowcs(wbuffer, str, 64) < 0) {
return len;
}
return len + ((int)strlen(str) - wcswidth(wbuffer, 64));
}
unsigned int stfl_print_richtext(struct stfl_widget *w, WINDOW *win, unsigned int y, unsigned int x, const wchar_t * text, unsigned int width, const wchar_t * style_normal, int has_focus)
{
const wchar_t *p = text;
unsigned int retval = 0;
unsigned int end_col = x + width;
while (*p) {
unsigned int len = compute_len_from_width(p, end_col - x);
const wchar_t *p1 = wcschr(p, L'<');
if (NULL == p1) {
mvwaddnwstr(win, y, x, p, len);
retval += len;
break;
} else {
const wchar_t *p2 = wcschr(p1 + 1, L'>');
if (len > (p1 - p))
len = p1 - p;
mvwaddnwstr(win, y, x, p, len);
retval += len;
x += wcswidth(p, len);
if (p2) {
wchar_t stylename[p2 - p1];
wmemcpy(stylename, p1 + 1, p2 - p1 - 1);
stylename[p2 - p1 - 1] = L'\0';
if (wcscmp(stylename,L"")==0) {
mvwaddnwstr(win, y, x, L"<", 1);
retval += 1;
++x;
} else if (wcscmp(stylename, L"/")==0) {
stfl_style(win, style_normal);
} else {
wchar_t lookup_stylename[128];
const wchar_t * style;
if (has_focus)
swprintf(lookup_stylename, sizeof(lookup_stylename)/sizeof(*lookup_stylename), L"style_%ls_focus", stylename);
else
swprintf(lookup_stylename, sizeof(lookup_stylename)/sizeof(*lookup_stylename), L"style_%ls_normal", stylename);
style = stfl_widget_getkv_str(w, lookup_stylename, L"");
stfl_style(win, style);
}
p = p2 + 1;
} else {
break;
}
}
}
return retval;
}
static void
init_hdr_cols(enum be_fmt be_fmt, struct hdr_info *hdr)
{
struct col_info *col = hdr->cols;
size_t i;
col[1].col_name = _("Active");
col[2].col_name = _("Mountpoint");
col[3].col_name = _("Space");
col[4].col_name = _("Policy");
col[5].col_name = _("Created");
col[6].col_name = NULL;
switch (be_fmt) {
case BE_FMT_ALL:
col[0].col_name = _("BE/Dataset/Snapshot");
break;
case BE_FMT_DATASET:
col[0].col_name = _("BE/Dataset");
break;
case BE_FMT_SNAPSHOT:
col[0].col_name = _("BE/Snapshot");
col[1].col_name = NULL;
col[2].col_name = NULL;
break;
case BE_FMT_DEFAULT:
default:
col[0].col_name = _("BE");
}
for (i = 0; i < NUM_COLS; i++) {
const char *name = col[i].col_name;
col[i].width = 0;
if (name != NULL) {
wchar_t wname[128];
size_t sz = mbstowcs(wname, name, sizeof (wname) /
sizeof (wchar_t));
if (sz > 0) {
int wcsw = wcswidth(wname, sz);
if (wcsw > 0)
col[i].width = wcsw;
else
col[i].width = sz;
} else {
col[i].width = strlen(name);
}
}
}
}
/* render a row */
static void table_render_row (Table* t, int rownum, int ncols, wchar_t** s)
{
wchar_t** row = t->rows[rownum];
size_t len = 1, i;
size_t newsize;
assert(t);
assert(s != NULL);
for (i = 0; i < ncols; ++i)
len += t->widths[i] + wcslen(DELIMITER);
len += wcslen(COLSUFFIX);
newsize = (wcslen(*s) + len + 1) * sizeof(wchar_t);
*s = xrealloc (*s, newsize);
for (i = 0; i < ncols; ++i)
{
wcscat (*s, row[i]);
if (ncols <= i + 1)
break;
int j;
int nspaces = max(t->widths[i] - wcswidth(row[i], MAX_WIDTH),
0);
wchar_t* pad = xmalloc ((nspaces + 1) * sizeof(*pad));
for (j = 0; j < nspaces; ++j)
pad[j] = L' ';
pad[nspaces] = L_('\0');
wcscat (*s, pad);
if (i + 1 < ncols)
wcscat (*s, DELIMITER);
free (pad);
}
/* Remove any trailing blanks. */
wchar_t *p = *s;
size_t k = wcslen (p);
while (k && p[k-1] == L_(' '))
--k;
p[k] = L_('\0');
wcscat (*s, COLSUFFIX);
}
static void
set_searching_status (action_find_res_wnd_t *__res_wnd,
const wchar_t *__action, const wchar_t *__path)
{
wchar_t format[1024], path[1024];
size_t width;
swprintf (format, BUF_LEN (format), L"%ls: %%ls", __action);
width = wcswidth (format, wcslen (format));
fit_dirname (__path,
__res_wnd->window->position.width - 6 - width, path);
set_status (__res_wnd, _(format), path);
}
static int byte2width2(char *str, int n)
{
int width;
int str_byte;
char save_char;
char *save_str;
wchar_t *wcstr;
int nr_wchars;
assert(str != NULL);
if (n <= 0) {
return 0;
}
str_byte = strlen(str);
if (str_byte == 0) {
return 0;
}
if (n > str_byte) {
n = str_byte;
}
wcstr = uim_malloc(sizeof(wchar_t) * str_byte);
save_str = str;
save_char = str[n];
str[n] = '\0';
nr_wchars = mbsrtowcs(wcstr, (const char **)&str, str_byte, NULL);
save_str[n] = save_char;
if ((size_t)nr_wchars != (size_t)(-1)) {
width = wcswidth(wcstr, nr_wchars);
} else {
mbsrtowcs(wcstr, (const char **)&str, 1, NULL);
/* strを最後まで変換するとNULLになる */
assert(str != NULL);
save_char = str[0];
str[0] = '\0';
width = strwidth(save_str);
str[0] = save_char;
}
free(wcstr);
assert(width >= 0);
return width;
}
/* Return the number of columns the string occupies when displayed. */
size_t strwidth (const char *s)
{
wchar_t *ucs;
size_t size;
size_t width;
assert (s != NULL);
size = xmbstowcs (NULL, s, -1, NULL) + 1;
ucs = (wchar_t *)xmalloc (sizeof(wchar_t) * size);
xmbstowcs (ucs, s, size, NULL);
width = wcswidth (ucs, WIDTH_MAX);
free (ucs);
return width;
}
/* Returns number of character positions allocated by the string on the
* screen. On issues will try to do the best, to make visible at least
* something. */
static size_t
get_width_on_screen(const char str[])
{
size_t length = (size_t)-1;
wchar_t *const wide = to_wide(str);
if(wide != NULL)
{
length = wcswidth(wide, (size_t)-1);
free(wide);
}
if(length == (size_t)-1)
{
length = get_normal_utf8_string_length(str);
}
return length;
}
int
utf8_strlen_screen (const char *string)
{
int length, num_char;
wchar_t *alloc_wstring, *ptr_wstring, wstring[4+2];
if (!string || !string[0])
return 0;
if (!local_utf8)
return utf8_strlen (string);
alloc_wstring = NULL;
if (!string[1] || !string[2] || !string[3] || !string[4])
{
/* optimization for max 4 chars: no malloc */
num_char = 4 + 1;
ptr_wstring = wstring;
}
else
{
num_char = mbstowcs (NULL, string, 0) + 1;
alloc_wstring = malloc ((num_char + 1) * sizeof (alloc_wstring[0]));
if (!alloc_wstring)
return utf8_strlen (string);
ptr_wstring = alloc_wstring;
}
if (mbstowcs (ptr_wstring, string, num_char) != (size_t)(-1))
{
length = wcswidth (ptr_wstring, num_char);
/*
* ensure the size is always >= 1, to prevent any display bug
* (for example size of UTF-8 char U+26C4 is -1, why? mystery...)
*/
if (length < 1)
length = 1;
}
else
length = utf8_strlen (string);
if (alloc_wstring)
free (alloc_wstring);
return length;
}
static void
add_id(struct idcache **ic, char *name, unsigned long int id, int *width)
{
struct idcache *nc, *x;
int w = 0;
nc = calloc(1, sizeof(*nc));
if (!nc)
goto alloc_err;
nc->id = id;
if (name) {
#ifdef HAVE_WIDECHAR
wchar_t wc[LOGIN_NAME_MAX + 1];
if (mbstowcs(wc, name, LOGIN_NAME_MAX) > 0) {
wc[LOGIN_NAME_MAX] = '\0';
w = wcswidth(wc, LOGIN_NAME_MAX);
}
else
#endif
w = strlen(name);
}
/* note, we ignore names with non-printable widechars */
if (w > 0)
nc->name = strdup(name);
else if (asprintf(&nc->name, "%lu", id) == -1)
nc->name = NULL;
if (!nc->name)
goto alloc_err;
for (x = *ic; x && x->next; x = x->next);
/* add 'nc' at end of the 'ic' list */
if (x)
x->next = nc;
else
*ic = nc;
if (w <= 0)
w = strlen(nc->name);
*width = *width < w ? w : *width;
return;
alloc_err:
err(EXIT_FAILURE, _("out of memory?"));
}
static void wt_textview_prepare(struct stfl_widget *w, struct stfl_form *f)
{
struct stfl_widget *c = w->first_child;
w->min_w = 1;
w->min_h = 5;
if (c)
w->allow_focus = 1;
while (c) {
const wchar_t * text = stfl_widget_getkv_str(c, L"text", L"");
int len = wcswidth(text, wcslen(text));
w->min_w = len > w->min_w ? len : w->min_w;
c = c->next_sibling;
}
}
/*
* pr_attime --
* Print the time since the user logged in.
*/
int
pr_attime(time_t *started, time_t *now)
{
static wchar_t buf[256];
struct tm tp, tm;
time_t diff;
const wchar_t *fmt;
int len, width, offset = 0;
tp = *localtime(started);
tm = *localtime(now);
diff = *now - *started;
/* If more than a week, use day-month-year. */
if (diff > 86400 * 7)
fmt = L"%d%b%y";
/* If not today, use day-hour-am/pm. */
else if (tm.tm_mday != tp.tm_mday ||
tm.tm_mon != tp.tm_mon ||
tm.tm_year != tp.tm_year) {
/* The line below does not take DST into consideration */
/* else if (*now / 86400 != *started / 86400) { */
fmt = use_ampm ? L"%a%I%p" : L"%a%H";
}
/* Default is hh:mm{am,pm}. */
else {
fmt = use_ampm ? L"%l:%M%p" : L"%k:%M";
}
(void)wcsftime(buf, sizeof(buf), fmt, &tp);
len = wcslen(buf);
width = wcswidth(buf, len);
xo_attr("since", "%lu", (unsigned long) *started);
xo_attr("delta", "%lu", (unsigned long) diff);
if (len == width)
xo_emit("{:login-time/%-7.7ls/%ls}", buf);
else if (width < 7)
xo_emit("{:login-time/%ls}%.*s", buf, 7 - width, " ");
else {
xo_emit("{:login-time/%ls}", buf);
offset = width - 7;
}
return (offset);
}
static size_t string_length(const char *s)
{
int len;
wchar_t *wcstr;
if(!s || s[0] == '\0') {
return 0;
}
/* len goes from # bytes -> # chars -> # cols */
len = strlen(s) + 1;
wcstr = calloc(len, sizeof(wchar_t));
len = mbstowcs(wcstr, s, len);
len = wcswidth(wcstr, len);
free(wcstr);
return len;
}
/* render a row */
static void table_render_row (Table* t, int rownum, int ncols, wchar_t** s)
{
wchar_t** row = t->rows[rownum];
int len = 1, i;
size_t newsize;
assert(t);
assert(s != NULL);
for (i = 0; i < ncols; ++i)
len += t->widths[i] + wcslen(DELIMITER);
len += wcslen(COLSUFFIX);
newsize = (wcslen(*s) + len + 1) * sizeof(wchar_t);
*s = realloc (*s, newsize);
for (i = 0; i < ncols; ++i)
{
int j;
int nspaces = max(t->widths[i] - wcswidth(row[i], MAX_WIDTH),
0);
wchar_t* pad = malloc ( (nspaces + 1) * sizeof(wchar_t) );
for (j = 0; j < nspaces; ++j)
pad[j] = L' ';
#ifdef ENABLE_NLS
pad[nspaces] = L'\0';
#else
pad[nspaces] = '\0';
#endif
wcscat (*s, row[i]);
wcscat (*s, pad);
if (i + 1 < ncols)
wcscat (*s, DELIMITER);
free (pad);
}
wcscat (*s, COLSUFFIX);
}
TInt CTestLibcwchar::wcswidth2L( )
{
wchar_t *ws = L"test case";
int retval;
retval = wcswidth(ws,9);
INFO_PRINTF2(_L("wcswidth2 result is %d"),retval);
if(retval != 9)
{
return KErrGeneral;
}
else
{
return KErrNone;
}
}
int strwidth(const char *str)
{
int width;
wchar_t *wcstr;
int nr_wchars;
assert(str != NULL);
nr_wchars = str2wcstr(str, &wcstr);
if (nr_wchars == 0) {
return 0;
}
width = wcswidth(wcstr, nr_wchars);
assert(width != -1);
free(wcstr);
return width;
}
TInt CTestLibcwchar::wcswidth4L( )
{
wchar_t *ws = L"";
int retval;
retval = wcswidth(ws,5);
INFO_PRINTF2(_L("wcswidth4 result is %d"),retval);
if(retval != 0)
{
return KErrGeneral;
}
else
{
return KErrNone;
}
}
size_t utils::wcswidth_stfl(const std::wstring& str, size_t size) {
size_t reduce_count = 0;
size_t len = std::min(str.length(), size);
if (len > 1) {
for (size_t idx=0;idx<len-1;++idx) {
if (str[idx] == L'<' && str[idx+1] != L'>') {
reduce_count += 3;
idx += 3;
}
}
}
int width = wcswidth(str.c_str(), size);
if (width < 0) {
LOG(LOG_ERROR, "oh, oh, wcswidth just failed"); // : %ls", str.c_str());
return str.length() - reduce_count;
}
return width - reduce_count;
}
int strwid(char const *s, int charset)
{
wchar_t buf[256];
int wid, len = strlen(s);
charset_state state = CHARSET_INIT_STATE;
wid = 0;
while (len > 0) {
int ret;
ret = charset_to_unicode(&s, &len, buf, lenof(buf),
charset, &state, NULL, 0);
if (ret > 0)
wid += wcswidth(buf, ret);
}
return wid;
}
