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); }