/* for now this function can only unexpand strings with tables that contain only
single character strings like "\n", "\t" etc. */
gchar *unexpand_string(const gchar *original, const char specialchar, Tconvert_table *table) {
gchar *tmp, *tosearchfor, *retval, *prev, *dest, *orig;
Tconvert_table *tmpentry;
orig = g_strdup(original);
DEBUG_MSG("original='%s', strlen()=%d\n",original,strlen(original));
tosearchfor = g_malloc(tablesize(table)+1);
DEBUG_MSG("tablesize(table)=%d, alloc'ed %d bytes for tosearchfor\n",tablesize(table), tablesize(table)+1);
tmp = tosearchfor;
tmpentry = table;
while(tmpentry->my_char != NULL) {
*tmp = tmpentry->my_char[0]; /* we fill the search string with the first character */
tmpentry++;
tmp++;
}
*tmp = '\0';
DEBUG_MSG("unexpand_string, tosearchfor='%s'\n",tosearchfor);
DEBUG_MSG("alloc'ing %d bytes\n", (countchars(original, tosearchfor) + strlen(original) + 1));
retval = g_malloc((countchars(original, tosearchfor) + strlen(original) + 1) * sizeof(gchar));
dest = retval;
prev = orig;
/* now we go trough the original till we hit specialchar */
tmp = strpbrk(prev, tosearchfor);
while (tmp) {
gint len = tmp - prev;
gint mychar = table_convert_char2int(table, tmp, tcc2i_firstchar);
DEBUG_MSG("unexpand_string, tmp='%s', prev='%s'\n",tmp, prev);
if (mychar == -1) mychar = *tmp;
DEBUG_MSG("unexpand_string, copy %d bytes and advancing dest\n",len);
memcpy(dest, prev, len);
dest += len;
*dest = specialchar;
dest++;
*dest = mychar;
dest++;
prev=tmp+1;
DEBUG_MSG("prev now is '%s'\n",prev);
tmp = strpbrk(prev, tosearchfor);
}
DEBUG_MSG("unexpand_string, copy the rest (%s) to dest\n",prev);
memcpy(dest,prev,strlen(prev)+1); /* this will also make sure there is a \0 at the end */
DEBUG_MSG("unexpand_string, retval='%s'\n",retval);
g_free(orig);
g_free(tosearchfor);
return retval;
}
tablesize Universe::size() const {
long long currsize = 1;
TableSizeType tst = TST_EXACT;
for (auto it = _tables.cbegin(); it != _tables.cend(); ++it) {
tablesize ts = (*it)->size();
switch (ts._type) {
case TST_EXACT:
currsize = currsize * ts._size;
break;
case TST_APPROXIMATED:
currsize = currsize * ts._size;
tst = TST_APPROXIMATED;
break;
case TST_INFINITE:
return tablesize(TST_INFINITE, getMaxElem<size_t>());
}
}
return tablesize(tst, currsize);
}
