25 |
#include <ctype.h> |
#include <ctype.h> |
26 |
|
|
27 |
|
|
28 |
// Chunk size magic: |
// Split chunk size magic: |
29 |
// LSCP_SPLIT_CHUNK1 = 2 ^ LSCP_SPLIT_CHUNK2 |
// LSCP_SPLIT_CHUNK1 := 2 ^ LSCP_SPLIT_CHUNK2 |
30 |
#define LSCP_SPLIT_CHUNK1 4 |
#define LSCP_SPLIT_CHUNK1 4 |
31 |
#define LSCP_SPLIT_CHUNK2 2 |
#define LSCP_SPLIT_CHUNK2 2 |
32 |
// Chunk size legal calculator. |
// Chunk size legal calculator. |
419 |
#endif // LSCP_ISPLIT_COUNT |
#endif // LSCP_ISPLIT_COUNT |
420 |
|
|
421 |
|
|
422 |
|
// Split a string into a null terminated array of parameter items. |
423 |
|
lscp_param_t *lscp_psplit_create ( const char *pszCsv, const char *pszSeps1, const char *pszSeps2 ) |
424 |
|
{ |
425 |
|
char *pszHead, *pch; |
426 |
|
int iSize, i, j, cchSeps1, cchSeps2; |
427 |
|
lscp_param_t *ppSplit, *ppNewSplit; |
428 |
|
|
429 |
|
pszHead = strdup(pszCsv); |
430 |
|
if (pszHead == NULL) |
431 |
|
return NULL; |
432 |
|
|
433 |
|
iSize = LSCP_SPLIT_CHUNK1; |
434 |
|
ppSplit = (lscp_param_t *) malloc(iSize * sizeof(lscp_param_t)); |
435 |
|
if (ppSplit == NULL) { |
436 |
|
free(pszHead); |
437 |
|
return NULL; |
438 |
|
} |
439 |
|
|
440 |
|
cchSeps1 = strlen(pszSeps1); |
441 |
|
cchSeps2 = strlen(pszSeps2); |
442 |
|
|
443 |
|
i = 0; |
444 |
|
while ((pch = strpbrk(pszHead, pszSeps1)) != NULL) { |
445 |
|
ppSplit[i].key = pszHead; |
446 |
|
pszHead = pch + cchSeps1; |
447 |
|
*pch = (char) 0; |
448 |
|
ppSplit[i].value = lscp_unquote(&pszHead, 0); |
449 |
|
if ((pch = strpbrk(pszHead, pszSeps2)) != NULL) { |
450 |
|
pszHead = pch + cchSeps2; |
451 |
|
*pch = (char) 0; |
452 |
|
} |
453 |
|
if (++i >= iSize) { |
454 |
|
iSize += LSCP_SPLIT_CHUNK1; |
455 |
|
ppNewSplit = (lscp_param_t *) malloc(iSize * sizeof(lscp_param_t)); |
456 |
|
if (ppNewSplit) { |
457 |
|
for (j = 0; j < i; j++) { |
458 |
|
ppNewSplit[j].key = ppSplit[j].key; |
459 |
|
ppNewSplit[j].value = ppSplit[j].value; |
460 |
|
} |
461 |
|
free(ppSplit); |
462 |
|
ppSplit = ppNewSplit; |
463 |
|
} |
464 |
|
} |
465 |
|
} |
466 |
|
|
467 |
|
if (i < 1) |
468 |
|
free(pszHead); |
469 |
|
|
470 |
|
for ( ; i < iSize; i++) { |
471 |
|
ppSplit[i].key = NULL; |
472 |
|
ppSplit[i].value = NULL; |
473 |
|
} |
474 |
|
|
475 |
|
return ppSplit; |
476 |
|
} |
477 |
|
|
478 |
|
|
479 |
|
// Destroy a parameter list array. |
480 |
|
void lscp_psplit_destroy ( lscp_param_t *ppSplit ) |
481 |
|
{ |
482 |
|
if (ppSplit && ppSplit[0].key) |
483 |
|
free(ppSplit[0].key); |
484 |
|
if (ppSplit) |
485 |
|
free(ppSplit); |
486 |
|
} |
487 |
|
|
488 |
|
|
489 |
|
#ifdef LSCP_PSPLIT_COUNT |
490 |
|
|
491 |
|
// Compute a parameter list valid item count. |
492 |
|
int lscp_psplit_count ( lscp_param_t *ppSplit ) |
493 |
|
{ |
494 |
|
int i = 0; |
495 |
|
while (ppSplit && ppSplit[i].key) |
496 |
|
i++; |
497 |
|
return i; |
498 |
|
} |
499 |
|
|
500 |
|
// Compute a parameter list size. |
501 |
|
int lscp_psplit_size ( lscp_param_t *ppSplit ) |
502 |
|
{ |
503 |
|
return LSCP_SPLIT_SIZE(lscp_psplit_count(ppSplit)); |
504 |
|
} |
505 |
|
|
506 |
|
#endif // LSCP_PSPLIT_COUNT |
507 |
|
|
508 |
|
|
509 |
|
// Allocate a parameter list, optionally copying an existing one. |
510 |
|
void lscp_plist_alloc (lscp_param_t **ppList) |
511 |
|
{ |
512 |
|
lscp_param_t *pParams; |
513 |
|
int iSize, i; |
514 |
|
|
515 |
|
if (ppList) { |
516 |
|
iSize = LSCP_SPLIT_CHUNK1; |
517 |
|
pParams = (lscp_param_t *) malloc(iSize * sizeof(lscp_param_t)); |
518 |
|
if (pParams) { |
519 |
|
for (i = 0 ; i < iSize; i++) { |
520 |
|
pParams[i].key = NULL; |
521 |
|
pParams[i].value = NULL; |
522 |
|
} |
523 |
|
} |
524 |
|
*ppList = pParams; |
525 |
|
} |
526 |
|
} |
527 |
|
|
528 |
|
|
529 |
|
// Destroy a parameter list, including all it's contents. |
530 |
|
void lscp_plist_free ( lscp_param_t **ppList ) |
531 |
|
{ |
532 |
|
lscp_param_t *pParams; |
533 |
|
int i; |
534 |
|
|
535 |
|
if (ppList) { |
536 |
|
if (*ppList) { |
537 |
|
pParams = *ppList; |
538 |
|
for (i = 0; pParams && pParams[i].key; i++) { |
539 |
|
free(pParams[i].key); |
540 |
|
free(pParams[i].value); |
541 |
|
} |
542 |
|
free(pParams); |
543 |
|
} |
544 |
|
*ppList = NULL; |
545 |
|
} |
546 |
|
} |
547 |
|
|
548 |
|
|
549 |
|
// Add an item to a parameter list, growing it as fit. |
550 |
|
void lscp_plist_append ( lscp_param_t **ppList, const char *pszKey, const char *pszValue ) |
551 |
|
{ |
552 |
|
lscp_param_t *pParams; |
553 |
|
lscp_param_t *pNewParams; |
554 |
|
int iSize, iNewSize; |
555 |
|
int i = 0; |
556 |
|
|
557 |
|
if (ppList && *ppList) { |
558 |
|
pParams = *ppList; |
559 |
|
while (pParams[i].key) |
560 |
|
i++; |
561 |
|
iSize = LSCP_SPLIT_SIZE(i); |
562 |
|
pParams[i].key = strdup(pszKey); |
563 |
|
pParams[i].value = strdup(pszValue); |
564 |
|
if (++i >= iSize) { |
565 |
|
iNewSize = iSize + LSCP_SPLIT_CHUNK1; |
566 |
|
pNewParams = (lscp_param_t *) malloc(iNewSize * sizeof(lscp_param_t)); |
567 |
|
for (i = 0; i < iSize; i++) { |
568 |
|
pParams[i].key = pParams[i].key; |
569 |
|
pParams[i].value = pParams[i].value; |
570 |
|
} |
571 |
|
for ( ; i < iNewSize; i++) { |
572 |
|
pNewParams[i].key = NULL; |
573 |
|
pNewParams[i].value = NULL; |
574 |
|
} |
575 |
|
free(pParams); |
576 |
|
*ppList = pNewParams; |
577 |
|
} |
578 |
|
} |
579 |
|
} |
580 |
|
|
581 |
|
|
582 |
|
// Compute a parameter list valid item count. |
583 |
|
int lscp_plist_count ( lscp_param_t **ppList ) |
584 |
|
{ |
585 |
|
lscp_param_t *pParams; |
586 |
|
int i = 0; |
587 |
|
if (ppList && *ppList) { |
588 |
|
pParams = *ppList; |
589 |
|
while (pParams[i].key) |
590 |
|
i++; |
591 |
|
} |
592 |
|
return i; |
593 |
|
} |
594 |
|
|
595 |
|
|
596 |
|
// Compute the legal parameter list size. |
597 |
|
int lscp_plist_size ( lscp_param_t **ppList ) |
598 |
|
{ |
599 |
|
return LSCP_SPLIT_SIZE(lscp_plist_count(ppList)); |
600 |
|
} |
601 |
|
|
602 |
|
|
603 |
|
|
604 |
//------------------------------------------------------------------------- |
//------------------------------------------------------------------------- |
605 |
// Engine info struct helper functions. |
// Engine info struct helper functions. |
606 |
|
|
610 |
pEngineInfo->version = NULL; |
pEngineInfo->version = NULL; |
611 |
} |
} |
612 |
|
|
613 |
void lscp_engine_info_reset ( lscp_engine_info_t *pEngineInfo ) |
void lscp_engine_info_free ( lscp_engine_info_t *pEngineInfo ) |
614 |
{ |
{ |
615 |
if (pEngineInfo->description) |
if (pEngineInfo->description) |
616 |
free(pEngineInfo->description); |
free(pEngineInfo->description); |
617 |
if (pEngineInfo->version) |
if (pEngineInfo->version) |
618 |
free(pEngineInfo->version); |
free(pEngineInfo->version); |
619 |
|
} |
620 |
|
|
621 |
|
void lscp_engine_info_reset ( lscp_engine_info_t *pEngineInfo ) |
622 |
|
{ |
623 |
|
lscp_engine_info_free(pEngineInfo); |
624 |
lscp_engine_info_init(pEngineInfo); |
lscp_engine_info_init(pEngineInfo); |
625 |
} |
} |
626 |
|
|
643 |
pChannelInfo->volume = 0.0; |
pChannelInfo->volume = 0.0; |
644 |
} |
} |
645 |
|
|
646 |
void lscp_channel_info_reset ( lscp_channel_info_t *pChannelInfo ) |
void lscp_channel_info_free ( lscp_channel_info_t *pChannelInfo ) |
647 |
{ |
{ |
648 |
if (pChannelInfo->engine_name) |
if (pChannelInfo->engine_name) |
649 |
free(pChannelInfo->engine_name); |
free(pChannelInfo->engine_name); |
651 |
lscp_szsplit_destroy(pChannelInfo->audio_routing); |
lscp_szsplit_destroy(pChannelInfo->audio_routing); |
652 |
if (pChannelInfo->instrument_file) |
if (pChannelInfo->instrument_file) |
653 |
free(pChannelInfo->instrument_file); |
free(pChannelInfo->instrument_file); |
654 |
|
} |
655 |
|
|
656 |
|
void lscp_channel_info_reset ( lscp_channel_info_t *pChannelInfo ) |
657 |
|
{ |
658 |
|
lscp_channel_info_free(pChannelInfo); |
659 |
lscp_channel_info_init(pChannelInfo); |
lscp_channel_info_init(pChannelInfo); |
660 |
} |
} |
661 |
|
|
670 |
pDriverInfo->parameters = NULL; |
pDriverInfo->parameters = NULL; |
671 |
} |
} |
672 |
|
|
673 |
void lscp_driver_info_reset ( lscp_driver_info_t *pDriverInfo ) |
void lscp_driver_info_free ( lscp_driver_info_t *pDriverInfo ) |
674 |
{ |
{ |
675 |
if (pDriverInfo->description) |
if (pDriverInfo->description) |
676 |
free(pDriverInfo->description); |
free(pDriverInfo->description); |
677 |
if (pDriverInfo->version) |
if (pDriverInfo->version) |
678 |
free(pDriverInfo->version); |
free(pDriverInfo->version); |
679 |
lscp_szsplit_destroy(pDriverInfo->parameters); |
lscp_szsplit_destroy(pDriverInfo->parameters); |
680 |
|
} |
681 |
|
|
682 |
|
void lscp_driver_info_reset ( lscp_driver_info_t *pDriverInfo ) |
683 |
|
{ |
684 |
|
lscp_driver_info_free(pDriverInfo); |
685 |
lscp_driver_info_init(pDriverInfo); |
lscp_driver_info_init(pDriverInfo); |
686 |
} |
} |
687 |
|
|
688 |
|
|
689 |
|
//------------------------------------------------------------------------- |
690 |
|
// Device info struct functions. |
691 |
|
|
692 |
|
void lscp_device_info_init ( lscp_device_info_t *pDeviceInfo ) |
693 |
|
{ |
694 |
|
pDeviceInfo->driver = NULL; |
695 |
|
lscp_plist_alloc(&(pDeviceInfo->params)); |
696 |
|
} |
697 |
|
|
698 |
|
void lscp_device_info_free ( lscp_device_info_t *pDeviceInfo ) |
699 |
|
{ |
700 |
|
if (pDeviceInfo->driver) |
701 |
|
free(pDeviceInfo->driver); |
702 |
|
lscp_plist_free(&(pDeviceInfo->params)); |
703 |
|
} |
704 |
|
|
705 |
|
void lscp_device_info_reset ( lscp_device_info_t *pDeviceInfo ) |
706 |
|
{ |
707 |
|
lscp_device_info_free(pDeviceInfo); |
708 |
|
lscp_device_info_init(pDeviceInfo); |
709 |
|
} |
710 |
|
|
711 |
|
|
712 |
|
//------------------------------------------------------------------------- |
713 |
|
// Device channel/port info struct functions. |
714 |
|
|
715 |
|
void lscp_device_port_info_init ( lscp_device_port_info_t *pDevicePortInfo ) |
716 |
|
{ |
717 |
|
pDevicePortInfo->name = NULL; |
718 |
|
lscp_plist_alloc(&(pDevicePortInfo->params)); |
719 |
|
} |
720 |
|
|
721 |
|
void lscp_device_port_info_free ( lscp_device_port_info_t *pDevicePortInfo ) |
722 |
|
{ |
723 |
|
if (pDevicePortInfo->name) |
724 |
|
free(pDevicePortInfo->name); |
725 |
|
lscp_plist_free(&(pDevicePortInfo->params)); |
726 |
|
} |
727 |
|
|
728 |
|
void lscp_device_port_info_reset ( lscp_device_port_info_t *pDevicePortInfo ) |
729 |
|
{ |
730 |
|
lscp_device_port_info_free(pDevicePortInfo); |
731 |
|
lscp_device_port_info_init(pDevicePortInfo); |
732 |
|
} |
733 |
|
|
734 |
|
|
735 |
|
//------------------------------------------------------------------------- |
736 |
|
// Parameter struct helper functions. |
737 |
|
|
738 |
|
void lscp_param_info_init ( lscp_param_info_t *pParamInfo ) |
739 |
|
{ |
740 |
|
pParamInfo->type = LSCP_TYPE_NONE; |
741 |
|
pParamInfo->description = NULL; |
742 |
|
pParamInfo->mandatory = 0; |
743 |
|
pParamInfo->fix = 0; |
744 |
|
pParamInfo->multiplicity = 0; |
745 |
|
pParamInfo->depends = NULL; |
746 |
|
pParamInfo->defaultv = NULL; |
747 |
|
pParamInfo->range_min = NULL; |
748 |
|
pParamInfo->range_max = NULL; |
749 |
|
pParamInfo->possibilities = NULL; |
750 |
|
} |
751 |
|
|
752 |
|
void lscp_param_info_free ( lscp_param_info_t *pParamInfo ) |
753 |
|
{ |
754 |
|
if (pParamInfo->description) |
755 |
|
free(pParamInfo->description); |
756 |
|
lscp_szsplit_destroy(pParamInfo->depends); |
757 |
|
if (pParamInfo->defaultv) |
758 |
|
free(pParamInfo->defaultv); |
759 |
|
if (pParamInfo->range_min) |
760 |
|
free(pParamInfo->range_min); |
761 |
|
if (pParamInfo->range_max) |
762 |
|
free(pParamInfo->range_max); |
763 |
|
lscp_szsplit_destroy(pParamInfo->possibilities); |
764 |
|
} |
765 |
|
|
766 |
|
void lscp_param_info_reset ( lscp_param_info_t *pParamInfo ) |
767 |
|
{ |
768 |
|
lscp_param_info_free(pParamInfo); |
769 |
|
lscp_param_info_init(pParamInfo); |
770 |
|
} |
771 |
|
|
772 |
|
|
773 |
|
//------------------------------------------------------------------------- |
774 |
|
// Concatenate a parameter list (key='value'...) into a string, |
775 |
|
// appending a crlf terminator. |
776 |
|
|
777 |
|
int lscp_param_concat ( char *pszBuffer, int cchMaxBuffer, lscp_param_t *pParams ) |
778 |
|
{ |
779 |
|
int cchBuffer, cchParam, i; |
780 |
|
|
781 |
|
if (pszBuffer == NULL || pParams == NULL) |
782 |
|
return 0; |
783 |
|
|
784 |
|
cchBuffer = strlen(pszBuffer); |
785 |
|
for (i = 0; pParams[i].key && pParams[i].value; i++) { |
786 |
|
cchParam = strlen(pParams[i].key) + strlen(pParams[i].value) + 4; |
787 |
|
if (cchBuffer + cchParam + 2 < cchMaxBuffer) { |
788 |
|
sprintf(pszBuffer + cchBuffer, " %s='%s'", pParams[i].key, pParams[i].value); |
789 |
|
cchBuffer += cchParam; |
790 |
|
} |
791 |
|
} |
792 |
|
|
793 |
|
if (cchBuffer + 2 < cchMaxBuffer) { |
794 |
|
pszBuffer[cchBuffer++] = '\r'; |
795 |
|
pszBuffer[cchBuffer++] = '\n'; |
796 |
|
} |
797 |
|
|
798 |
|
return cchBuffer; |
799 |
|
} |
800 |
|
|
801 |
|
|
802 |
// end of common.c |
// end of common.c |