/**
* @brief Close given number of levels of key
*
* @pre there is some needed special handling at begin at end,
* the caller needs to do that
*
* For the basename of cur nothing needs to be done
* (it was either a value or an array entry)
*
* Then for every level do:
*
*
* (C1)
* #/_
* (lookahead says it is a map in the array)
* -> close the anonymous map and then the array
*
* (C2)
* _/#
* _/___empty_map
* (lookahead says it is not a map)
* -> don't do anything
*
* (C3)
* #
* -> close the array
*
* (C4)
* _
* -> close the map
*
*
* @param g to yield json information
* @param cur the key which name is used for closing
* @param levels the number of levels to close
*/
static void elektraGenCloseIterate(yajl_gen g, const Key *cur,
int levels)
{
keyNameReverseIterator curIt =
elektraKeyNameGetReverseIterator(cur);
// jump last element
elektraKeyNameReverseNext(&curIt);
for (int i=0; i<levels; ++i)
{
elektraKeyNameReverseNext(&curIt);
lookahead_t lookahead = elektraLookahead(curIt.current,
curIt.size);
if (curIt.current[0] == '#')
{
if (lookahead == LOOKAHEAD_MAP)
{
#ifdef ELEKTRA_YAJL_VERBOSE
printf ("GEN (C1) anon map close\n");
#endif
yajl_gen_map_close(g);
}
#ifdef ELEKTRA_YAJL_VERBOSE
printf ("GEN (C3) array close\n");
#endif
yajl_gen_array_close(g);
}
else
{
if (lookahead == LOOKAHEAD_MAP)
{
#ifdef ELEKTRA_YAJL_VERBOSE
printf ("GEN (C4) map close\n");
#endif
yajl_gen_map_close(g);
}
else
{
#ifdef ELEKTRA_YAJL_VERBOSE
printf ("(C2) lookahead not a map: nothing to do\n");
#endif
}
}
}
}
/**
* @brief fixes elektraGenCloseIterate for the special handling of
* arrays at very last position.
*
* @param g generate array there
* @param key the key to look at
*/
static void elektraGenCloseLast (yajl_gen g, const Key * key)
{
keyNameReverseIterator last = elektraKeyNameGetReverseIterator (key);
elektraKeyNameReverseNext (&last);
#ifdef ELEKTRA_YAJL_VERBOSE
printf ("last startup entry: \"%.*s\"\n", (int)last.size, last.current);
#endif
if (last.current[0] == '#' && strcmp (last.current, "###empty_array"))
{
#ifdef ELEKTRA_YAJL_VERBOSE
printf ("GEN array close last\n");
#endif
yajl_gen_array_close (g);
}
}
void test_reverseLevel (void)
{
Key * k = keyNew ("user/abc/defghi/jkl", KEY_END);
int level = 0;
char buffer[20];
printf ("Test reverse level\n");
keyNameReverseIterator it = elektraKeyNameGetReverseIterator (k);
while (elektraKeyNameReverseNext (&it))
{
level++;
strncpy (buffer, it.current, it.size);
buffer[it.size] = 0;
// printf("Level %d name: \"%s\"\n",level,buffer);
switch (level)
{
case 4:
succeed_if (strcmp (buffer, "user") == 0, "keyNameGetOneLevel not correct");
break;
case 3:
succeed_if (strcmp (buffer, "abc") == 0, "keyNameGetOneLevel not correct");
break;
case 2:
succeed_if (strcmp (buffer, "defghi") == 0, "keyNameGetOneLevel not correct");
break;
case 1:
succeed_if (strcmp (buffer, "jkl") == 0, "keyNameGetOneLevel not correct");
break;
default:
succeed_if (0, "should not reach case statement");
}
}
keySetName (k, "user////\\/abc/\\/def\\/ghi////jkl\\/\\/");
level = 0;
it = elektraKeyNameGetReverseIterator (k);
while (elektraKeyNameReverseNext (&it))
{
level++;
strncpy (buffer, it.current, it.size);
buffer[it.size] = 0;
// printf("Level %d name: \"%s\"\n",level,buffer);
switch (level)
{
case 4:
succeed_if (strcmp (buffer, "user") == 0, "keyNameGetOneLevel not correct");
break;
case 3:
succeed_if (strcmp (buffer, "\\/abc") == 0, "keyNameGetOneLevel not correct");
break;
case 2:
succeed_if (strcmp (buffer, "\\/def\\/ghi") == 0, "keyNameGetOneLevel not correct");
break;
case 1:
succeed_if (strcmp (buffer, "jkl\\/\\/") == 0, "keyNameGetOneLevel not correct");
break;
default:
succeed_if (0, "should not reach case statement");
}
}
keyDel (k);
}