GstStateChangeReturn audio_play_player (CustomData *data) {
return _change_state (data, GST_STATE_PLAYING);
}
GstStateChangeReturn audio_stop_player (CustomData *data) {
return _change_state (data, GST_STATE_READY);
}
GstStateChangeReturn audio_pause_player (CustomData *data) {
return _change_state (data, GST_STATE_PAUSED);
}
int json_parser_char(json_parser *parser, int next_char)
{
/*
After calling json_parser_alloc, call this function for each character (or
partial character) in your JSON text. It can accept UTF-8, UTF-16, or
UTF-32. It returns true if things are looking ok so far. If it rejects the
text, it returns false.
*/
int next_class, next_state;
/*
Determine the character's class.
*/
if (next_char < 0) {
return false;
}
if (next_char >= 128) {
next_class = C_ETC;
} else {
next_class = ascii_class[next_char];
if (next_class <= __) {
return false;
}
}
/*
Get the next state from the state transition table.
*/
next_state = state_transition_table[parser->state][next_class];
if (next_state >= 0) {
/*
Change the state.
*/
if (!_change_state(parser, next_state))
return false;
} else {
/*
Or perform one of the actions.
*/
switch (next_state) {
/* empty } */
case -9:
if (!_change_state(parser, OK))
return false;
if (!_pop(parser, MODE_OBJECT_KEY) || !_pop(parser, MODE_OBJECT))
return false;
break;
/* } */ case -8:
if (!_change_state(parser, OK))
return false;
if (!_pop(parser, MODE_OBJECT_VALUE) || !_pop(parser, MODE_OBJECT))
return false;
break;
/* ] */ case -7:
if (!_change_state(parser, OK))
return false;
if (!_pop(parser, MODE_ARRAY))
return false;
break;
/* { */ case -6:
if (!_change_state(parser, OB))
return false;
if (!_push(parser, MODE_OBJECT) || !_push(parser, MODE_OBJECT_KEY))
return false;
break;
/* [ */ case -5:
if (!_change_state(parser, AR))
return false;
if (!_push(parser, MODE_ARRAY))
return false;
break;
/* " */ case -4:
switch (parser->stack[parser->top].mode) {
case MODE_OBJECT_KEY:
if (!_change_state(parser, CO))
return false;
break;
case MODE_ARRAY:
case MODE_OBJECT_VALUE:
if (!_change_state(parser, OK))
return false;
break;
default:
return false;
}
break;
/* , */ case -3:
switch (parser->stack[parser->top].mode) {
case MODE_OBJECT_VALUE:
/*
A comma causes a flip from object_value mode to object_key mode.
*/
if (!_change_state(parser, KE))
return false;
if (!_pop(parser, MODE_OBJECT_VALUE) || !_push(parser, MODE_OBJECT_KEY))
return false;
break;
case MODE_ARRAY:
if (!_change_state(parser, VA))
return false;
break;
default:
return false;
}
break;
/* : */ case -2:
/*
A colon causes a flip from object_key mode to object_value mode.
*/
if (!_change_state(parser, VA))
return false;
if (!_pop(parser, MODE_OBJECT_KEY) || !_push(parser, MODE_OBJECT_VALUE))
return false;
break;
/*
Bad action.
*/
default:
return false;
}
}
parser->char_index++;
if (parser->config.json_str)
parser->config.json_str_len++;
return true;
}
