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hfp: rewrite parse indicator

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This commit is contained in:
Milanka Ringwald 2015-08-14 14:48:02 +02:00
parent b5b7d6dda3
commit 99b9166836
1 changed files with 50 additions and 42 deletions
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92
src/hfp.c
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@ -497,11 +497,14 @@ uint32_t fromBinary(char *s) {
return (uint32_t) strtol(s, NULL, 2);
}
static void hfp_parser_write_buffer(hfp_connection_t * context, uint8_t byte){
static void hfp_parser_store_byte(hfp_connection_t * context, uint8_t byte){
// TODO: add limit
context->line_buffer[context->line_size++] = byte;
context->line_buffer[context->line_size] = 0;
}
static int hfp_parser_buffer_empty(hfp_connection_t * context){
return context->line_size == 0;
}
static int hfp_parser_reached_end_of_line(uint8_t byte){
return byte == '\n' || byte == '\r';
@ -511,8 +514,11 @@ static int hfp_parser_reached_sequence_separator(uint8_t byte){
return byte == ',';
}
static int hfp_parser_item_done(uint8_t byte){
return byte == ',' || byte == '\n' || byte == '\r';
static int hfp_parser_found_separator(hfp_connection_t * context, uint8_t byte){
int found_separator = byte == ',' || byte == '\n' || byte == '\r' ||
byte == ')' || byte == '(' || byte == ':' ||
byte == '?' || byte == '-' || byte == '"';
return found_separator;
}
static void hfp_parser_next_state(hfp_connection_t * context, uint8_t byte){
@ -529,15 +535,18 @@ static void hfp_parser_next_state(hfp_connection_t * context, uint8_t byte){
case HFP_PARSER_SECOND_ITEM:
context->parser_state = (hfp_parser_state_t)((int)context->parser_state + 1);
break;
case HFP_PARSER_THIRD_ITEM:
context->parser_state = HFP_PARSER_CMD_HEADER;
break;
case HFP_PARSER_CMD_INDICATOR_MAX_RANGE:
case HFP_PARSER_CMD_INDICATOR_STATUS:
context->parser_state = HFP_PARSER_CMD_SEQUENCE;
break;
case HFP_PARSER_CMD_SEQUENCE:
break;
case HFP_PARSER_THIRD_ITEM:
case HFP_PARSER_CMD_INDICATOR_STATUS:
context->parser_state = HFP_PARSER_CMD_HEADER;
break;
}
}
@ -723,10 +732,12 @@ void hfp_parse(hfp_connection_t * context, uint8_t byte){
break;
case HFP_PARSER_SECOND_ITEM:
if (!hfp_parser_item_done(byte)){
hfp_parser_write_buffer(context, byte);
if (!hfp_parser_found_separator(context, byte)){
hfp_parser_store_byte(context, byte);
break;
}
if (hfp_parser_buffer_empty(context)) break;
switch (context->command){
case HFP_CMD_QUERY_OPERATOR_SELECTION:
if (context->operator_name_format == 1) {
@ -746,10 +757,12 @@ void hfp_parse(hfp_connection_t * context, uint8_t byte){
break;
case HFP_PARSER_THIRD_ITEM:
if (!hfp_parser_item_done(byte)){
hfp_parser_write_buffer(context, byte);
if (!hfp_parser_found_separator(context, byte)){
hfp_parser_store_byte(context, byte);
break;
}
if (hfp_parser_buffer_empty(context)) break;
switch (context->command){
case HFP_CMD_QUERY_OPERATOR_SELECTION:
if (context->operator_name == 1){
@ -789,48 +802,43 @@ void hfp_parse(hfp_connection_t * context, uint8_t byte){
break;
case HFP_PARSER_CMD_INDICATOR_NAME: // parse indicator name
//if (byte == '\n' || byte == '\r') return;
if (byte == '"'){
context->line_buffer[context->line_size] = 0;
context->line_size = 0;
printf("Indicator %d: %s (", context->ag_indicators_nr+1, context->line_buffer);
strcpy((char *)context->ag_indicators[context->parser_item_index].name, (char *)context->line_buffer);
context->ag_indicators[context->parser_item_index].index = context->parser_item_index+1;
if (!hfp_parser_found_separator(context, byte)){
hfp_parser_store_byte(context, byte);
break;
}
if (byte == '('){ // parse indicator range
context->parser_state = HFP_PARSER_CMD_INDICATOR_MIN_RANGE;
break;
}
context->line_buffer[context->line_size++] = byte;
if (hfp_parser_buffer_empty(context)) break;
strcpy((char *)context->ag_indicators[context->parser_item_index].name, (char *)context->line_buffer);
context->ag_indicators[context->parser_item_index].index = context->parser_item_index+1;
printf("Indicator %d: %s (", context->ag_indicators_nr+1, context->line_buffer);
hfp_parser_next_state(context, byte);
break;
case HFP_PARSER_CMD_INDICATOR_MIN_RANGE:
//if (byte == '\n' || byte == '\r') return;
if (byte == ',' || byte == '-'){ // end min_range
context->parser_state = HFP_PARSER_CMD_INDICATOR_MAX_RANGE;
context->line_buffer[context->line_size] = 0;
printf("%d, ", atoi((char *)&context->line_buffer[0]));
context->ag_indicators[context->parser_item_index].min_range = atoi((char *)context->line_buffer);
context->line_size = 0;
if (!hfp_parser_found_separator(context, byte)){
hfp_parser_store_byte(context, byte);
break;
}
// min. range
context->line_buffer[context->line_size++] = byte;
if (hfp_parser_buffer_empty(context)) break;
context->ag_indicators[context->parser_item_index].min_range = atoi((char *)context->line_buffer);
printf("%s, ", context->line_buffer);
hfp_parser_next_state(context, byte);
break;
case HFP_PARSER_CMD_INDICATOR_MAX_RANGE:
//if (byte == '\n' || byte == '\r') return;
if (byte == ')'){ // end max_range
context->parser_state = HFP_PARSER_CMD_SEQUENCE;
context->line_buffer[context->line_size] = 0;
printf("%d)\n", atoi((char *)&context->line_buffer[0]));
context->ag_indicators[context->parser_item_index].max_range = atoi((char *)context->line_buffer);
context->line_size = 0;
context->parser_item_index++;
context->ag_indicators_nr = context->parser_item_index;
if (!hfp_parser_found_separator(context, byte)){
hfp_parser_store_byte(context, byte);
break;
}
context->line_buffer[context->line_size++] = byte;
if (hfp_parser_buffer_empty(context)) break;
context->ag_indicators[context->parser_item_index].max_range = atoi((char *)context->line_buffer);
context->parser_item_index++;
context->ag_indicators_nr = context->parser_item_index;
printf("%s)\n", context->line_buffer);
hfp_parser_next_state(context, byte);
break;
}