static int
_XTextPropertyToTextList(
XLCd lcd,
Display *dpy,
const XTextProperty *text_prop,
const char *to_type,
XPointer **list_ret,
int *count_ret)
{
XlcConv conv = NULL;
const char *from_type;
XPointer from, to, buf;
char *str_ptr, *last_ptr;
Atom encoding;
int from_left, to_left, buf_len, ret, len;
int unconv_num, nitems = text_prop->nitems;
Bool is_wide_char = False, do_strcpy = False;
if (strcmp(XlcNWideChar, to_type) == 0)
is_wide_char = True;
if (nitems <= 0) {
*list_ret = NULL;
*count_ret = 0;
return Success;
}
if (text_prop->format != 8)
return XConverterNotFound;
encoding = text_prop->encoding;
if (encoding == XA_STRING)
from_type = XlcNString;
else if (encoding == XInternAtom(dpy, "UTF8_STRING", False))
from_type = XlcNUtf8String;
else if (encoding == XInternAtom(dpy, "COMPOUND_TEXT", False))
from_type = XlcNCompoundText;
else if (encoding == XInternAtom(dpy, XLC_PUBLIC(lcd, encoding_name), False))
from_type = XlcNMultiByte;
else
return XConverterNotFound;
if (is_wide_char) {
buf_len = (text_prop->nitems + 1) * sizeof(wchar_t);
} else {
if (strcmp(to_type, XlcNUtf8String) == 0)
buf_len = text_prop->nitems * 6 + 1;
else
buf_len = text_prop->nitems * XLC_PUBLIC(lcd, mb_cur_max) + 1;
}
buf = Xmalloc(buf_len);
if (buf == NULL)
return XNoMemory;
to = buf;
to_left = buf_len;
/* can be XlcNMultiByte to XlcNMultiByte,
or XlcNUtf8String to XlcNUtf8String */
if (!strcmp(from_type, to_type)) {
do_strcpy = True;
} else {
conv = _XlcOpenConverter(lcd, from_type, lcd, to_type);
if (conv == NULL) {
Xfree(buf);
return XConverterNotFound;
}
}
last_ptr = str_ptr = (char *) text_prop->value;
unconv_num = *count_ret = 0;
while (1) {
if (nitems == 0 || *str_ptr == 0) {
from = (XPointer) last_ptr;
from_left = str_ptr - last_ptr;
last_ptr = str_ptr;
if (do_strcpy) {
len = min(from_left, to_left);
strncpy(to, from, len);
from += len;
to += len;
from_left -= len;
to_left -= len;
ret = 0;
} else {
ret = _XlcConvert(conv, &from, &from_left, &to, &to_left, NULL, 0);
}
if (ret < 0)
continue;
unconv_num += ret;
(*count_ret)++;
if (nitems == 0)
break;
last_ptr = ++str_ptr;
if (is_wide_char) {
*((wchar_t *)to) = (wchar_t) 0;
to += sizeof(wchar_t);
to_left -= sizeof(wchar_t);
} else {
*((char *)to) = '\0';
to++;
to_left--;
}
if (! do_strcpy)
_XlcResetConverter(conv);
} else
str_ptr++;
nitems--;
}
if (! do_strcpy)
_XlcCloseConverter(conv);
if (is_wide_char) {
*((wchar_t *) to) = (wchar_t) 0;
to_left -= sizeof(wchar_t);
} else {
*((char *) to) = '\0';
to_left--;
}
*list_ret = alloc_list(is_wide_char, *count_ret, buf_len - to_left);
if (*list_ret)
copy_list(is_wide_char, buf, *list_ret, *count_ret);
Xfree(buf);
return unconv_num;
}
/* Sets the state to the initial state.
Initiates a sequence of calls to mbchar. */
static void
mb_mbinit(
XPointer state)
{
_XlcResetConverter(((MbState) state)->conv);
}
