25 |
#include <ctype.h> |
#include <ctype.h> |
26 |
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|
27 |
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|
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. |
223 |
return psz; |
return psz; |
224 |
} |
} |
225 |
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|
226 |
|
// Unquote and make a duplicate of an in-split string. |
227 |
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void lscp_unquote_dup ( char **ppszDst, char **ppszSrc ) |
228 |
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{ |
229 |
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// Free desteny string, if already there. |
230 |
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if (*ppszDst) |
231 |
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free(*ppszDst); |
232 |
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*ppszDst = NULL; |
233 |
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// Unquote and duplicate. |
234 |
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if (*ppszSrc) |
235 |
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*ppszDst = lscp_unquote(ppszSrc, 1); |
236 |
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} |
237 |
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|
238 |
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|
239 |
// Custom tokenizer. |
// Custom tokenizer. |
240 |
char *lscp_strtok ( char *pchBuffer, const char *pszSeps, char **ppch ) |
char *lscp_strtok ( char *pchBuffer, const char *pszSeps, char **ppch ) |
358 |
int iSize, i, j, cchSeps; |
int iSize, i, j, cchSeps; |
359 |
int *piSplit, *piNewSplit; |
int *piSplit, *piNewSplit; |
360 |
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|
361 |
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// Get it clean first. |
362 |
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pchHead = lscp_ltrim((char *) pszCsv); |
363 |
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if (*pchHead == (char) 0) |
364 |
|
return NULL; |
365 |
|
|
366 |
// Initial size is one chunk away. |
// Initial size is one chunk away. |
367 |
iSize = LSCP_SPLIT_CHUNK1; |
iSize = LSCP_SPLIT_CHUNK1; |
368 |
// Allocate and split... |
// Allocate and split... |
372 |
|
|
373 |
// Make a copy of the original string. |
// Make a copy of the original string. |
374 |
i = 0; |
i = 0; |
|
pchHead = (char *) pszCsv; |
|
375 |
if ((piSplit[i++] = atoi(pchHead)) < 0) { |
if ((piSplit[i++] = atoi(pchHead)) < 0) { |
376 |
free(piSplit); |
free(piSplit); |
377 |
return NULL; |
return NULL; |
435 |
#endif // LSCP_ISPLIT_COUNT |
#endif // LSCP_ISPLIT_COUNT |
436 |
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|
437 |
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|
438 |
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// Split a string into a null terminated array of parameter items. |
439 |
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lscp_param_t *lscp_psplit_create ( const char *pszCsv, const char *pszSeps1, const char *pszSeps2 ) |
440 |
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{ |
441 |
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char *pszHead, *pch; |
442 |
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int iSize, i, j, cchSeps1, cchSeps2; |
443 |
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lscp_param_t *ppSplit, *ppNewSplit; |
444 |
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|
445 |
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pszHead = strdup(pszCsv); |
446 |
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if (pszHead == NULL) |
447 |
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return NULL; |
448 |
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|
449 |
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iSize = LSCP_SPLIT_CHUNK1; |
450 |
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ppSplit = (lscp_param_t *) malloc(iSize * sizeof(lscp_param_t)); |
451 |
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if (ppSplit == NULL) { |
452 |
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free(pszHead); |
453 |
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return NULL; |
454 |
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} |
455 |
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|
456 |
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cchSeps1 = strlen(pszSeps1); |
457 |
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cchSeps2 = strlen(pszSeps2); |
458 |
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|
459 |
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i = 0; |
460 |
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while ((pch = strpbrk(pszHead, pszSeps1)) != NULL) { |
461 |
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ppSplit[i].key = pszHead; |
462 |
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pszHead = pch + cchSeps1; |
463 |
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*pch = (char) 0; |
464 |
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ppSplit[i].value = lscp_unquote(&pszHead, 0); |
465 |
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if ((pch = strpbrk(pszHead, pszSeps2)) != NULL) { |
466 |
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pszHead = pch + cchSeps2; |
467 |
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*pch = (char) 0; |
468 |
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} |
469 |
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if (++i >= iSize) { |
470 |
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iSize += LSCP_SPLIT_CHUNK1; |
471 |
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ppNewSplit = (lscp_param_t *) malloc(iSize * sizeof(lscp_param_t)); |
472 |
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if (ppNewSplit) { |
473 |
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for (j = 0; j < i; j++) { |
474 |
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ppNewSplit[j].key = ppSplit[j].key; |
475 |
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ppNewSplit[j].value = ppSplit[j].value; |
476 |
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} |
477 |
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free(ppSplit); |
478 |
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ppSplit = ppNewSplit; |
479 |
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} |
480 |
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} |
481 |
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} |
482 |
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|
483 |
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if (i < 1) |
484 |
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free(pszHead); |
485 |
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|
486 |
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for ( ; i < iSize; i++) { |
487 |
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ppSplit[i].key = NULL; |
488 |
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ppSplit[i].value = NULL; |
489 |
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} |
490 |
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|
491 |
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return ppSplit; |
492 |
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} |
493 |
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|
494 |
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|
495 |
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// Destroy a parameter list array. |
496 |
|
void lscp_psplit_destroy ( lscp_param_t *ppSplit ) |
497 |
|
{ |
498 |
|
if (ppSplit && ppSplit[0].key) |
499 |
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free(ppSplit[0].key); |
500 |
|
if (ppSplit) |
501 |
|
free(ppSplit); |
502 |
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} |
503 |
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|
504 |
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|
505 |
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#ifdef LSCP_PSPLIT_COUNT |
506 |
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|
507 |
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// Compute a parameter list valid item count. |
508 |
|
int lscp_psplit_count ( lscp_param_t *ppSplit ) |
509 |
|
{ |
510 |
|
int i = 0; |
511 |
|
while (ppSplit && ppSplit[i].key) |
512 |
|
i++; |
513 |
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return i; |
514 |
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} |
515 |
|
|
516 |
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// Compute a parameter list size. |
517 |
|
int lscp_psplit_size ( lscp_param_t *ppSplit ) |
518 |
|
{ |
519 |
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return LSCP_SPLIT_SIZE(lscp_psplit_count(ppSplit)); |
520 |
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} |
521 |
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|
522 |
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#endif // LSCP_PSPLIT_COUNT |
523 |
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|
524 |
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|
525 |
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// Allocate a parameter list, optionally copying an existing one. |
526 |
|
void lscp_plist_alloc (lscp_param_t **ppList) |
527 |
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{ |
528 |
|
lscp_param_t *pParams; |
529 |
|
int iSize, i; |
530 |
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|
531 |
|
if (ppList) { |
532 |
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iSize = LSCP_SPLIT_CHUNK1; |
533 |
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pParams = (lscp_param_t *) malloc(iSize * sizeof(lscp_param_t)); |
534 |
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if (pParams) { |
535 |
|
for (i = 0 ; i < iSize; i++) { |
536 |
|
pParams[i].key = NULL; |
537 |
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pParams[i].value = NULL; |
538 |
|
} |
539 |
|
} |
540 |
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*ppList = pParams; |
541 |
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} |
542 |
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} |
543 |
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|
544 |
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|
545 |
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// Destroy a parameter list, including all it's contents. |
546 |
|
void lscp_plist_free ( lscp_param_t **ppList ) |
547 |
|
{ |
548 |
|
lscp_param_t *pParams; |
549 |
|
int i; |
550 |
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|
551 |
|
if (ppList) { |
552 |
|
if (*ppList) { |
553 |
|
pParams = *ppList; |
554 |
|
for (i = 0; pParams && pParams[i].key; i++) { |
555 |
|
free(pParams[i].key); |
556 |
|
free(pParams[i].value); |
557 |
|
} |
558 |
|
free(pParams); |
559 |
|
} |
560 |
|
*ppList = NULL; |
561 |
|
} |
562 |
|
} |
563 |
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|
564 |
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|
565 |
|
// Add an item to a parameter list, growing it as fit. |
566 |
|
void lscp_plist_append ( lscp_param_t **ppList, const char *pszKey, const char *pszValue ) |
567 |
|
{ |
568 |
|
lscp_param_t *pParams; |
569 |
|
lscp_param_t *pNewParams; |
570 |
|
int iSize, iNewSize; |
571 |
|
int i = 0; |
572 |
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|
573 |
|
if (ppList && *ppList) { |
574 |
|
pParams = *ppList; |
575 |
|
while (pParams[i].key) { |
576 |
|
if (strcasecmp(pParams[i].key, pszKey) == 0) { |
577 |
|
if (pParams[i].value) |
578 |
|
free(pParams[i].value); |
579 |
|
pParams[i].value = strdup(pszValue); |
580 |
|
return; |
581 |
|
} |
582 |
|
i++; |
583 |
|
} |
584 |
|
iSize = LSCP_SPLIT_SIZE(i); |
585 |
|
pParams[i].key = strdup(pszKey); |
586 |
|
pParams[i].value = strdup(pszValue); |
587 |
|
if (++i >= iSize) { |
588 |
|
iNewSize = iSize + LSCP_SPLIT_CHUNK1; |
589 |
|
pNewParams = (lscp_param_t *) malloc(iNewSize * sizeof(lscp_param_t)); |
590 |
|
for (i = 0; i < iSize; i++) { |
591 |
|
pParams[i].key = pParams[i].key; |
592 |
|
pParams[i].value = pParams[i].value; |
593 |
|
} |
594 |
|
for ( ; i < iNewSize; i++) { |
595 |
|
pNewParams[i].key = NULL; |
596 |
|
pNewParams[i].value = NULL; |
597 |
|
} |
598 |
|
free(pParams); |
599 |
|
*ppList = pNewParams; |
600 |
|
} |
601 |
|
} |
602 |
|
} |
603 |
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|
604 |
|
#ifdef LSCP_PLIST_COUNT |
605 |
|
|
606 |
|
// Compute a parameter list valid item count. |
607 |
|
int lscp_plist_count ( lscp_param_t **ppList ) |
608 |
|
{ |
609 |
|
lscp_param_t *pParams; |
610 |
|
int i = 0; |
611 |
|
if (ppList && *ppList) { |
612 |
|
pParams = *ppList; |
613 |
|
while (pParams[i].key) |
614 |
|
i++; |
615 |
|
} |
616 |
|
return i; |
617 |
|
} |
618 |
|
|
619 |
|
// Compute the legal parameter list size. |
620 |
|
int lscp_plist_size ( lscp_param_t **ppList ) |
621 |
|
{ |
622 |
|
return LSCP_SPLIT_SIZE(lscp_plist_count(ppList)); |
623 |
|
} |
624 |
|
|
625 |
|
#endif // LSCP_PLIST_COUNT |
626 |
|
|
627 |
|
|
628 |
//------------------------------------------------------------------------- |
//------------------------------------------------------------------------- |
629 |
// Engine info struct helper functions. |
// Engine info struct helper functions. |
630 |
|
|
634 |
pEngineInfo->version = NULL; |
pEngineInfo->version = NULL; |
635 |
} |
} |
636 |
|
|
637 |
void lscp_engine_info_reset ( lscp_engine_info_t *pEngineInfo ) |
void lscp_engine_info_free ( lscp_engine_info_t *pEngineInfo ) |
638 |
{ |
{ |
639 |
if (pEngineInfo->description) |
if (pEngineInfo->description) |
640 |
free(pEngineInfo->description); |
free(pEngineInfo->description); |
641 |
if (pEngineInfo->version) |
if (pEngineInfo->version) |
642 |
free(pEngineInfo->version); |
free(pEngineInfo->version); |
643 |
|
} |
644 |
|
|
645 |
|
void lscp_engine_info_reset ( lscp_engine_info_t *pEngineInfo ) |
646 |
|
{ |
647 |
|
lscp_engine_info_free(pEngineInfo); |
648 |
lscp_engine_info_init(pEngineInfo); |
lscp_engine_info_init(pEngineInfo); |
649 |
} |
} |
650 |
|
|
667 |
pChannelInfo->volume = 0.0; |
pChannelInfo->volume = 0.0; |
668 |
} |
} |
669 |
|
|
670 |
void lscp_channel_info_reset ( lscp_channel_info_t *pChannelInfo ) |
void lscp_channel_info_free ( lscp_channel_info_t *pChannelInfo ) |
671 |
{ |
{ |
672 |
if (pChannelInfo->engine_name) |
if (pChannelInfo->engine_name) |
673 |
free(pChannelInfo->engine_name); |
free(pChannelInfo->engine_name); |
675 |
lscp_szsplit_destroy(pChannelInfo->audio_routing); |
lscp_szsplit_destroy(pChannelInfo->audio_routing); |
676 |
if (pChannelInfo->instrument_file) |
if (pChannelInfo->instrument_file) |
677 |
free(pChannelInfo->instrument_file); |
free(pChannelInfo->instrument_file); |
678 |
|
} |
679 |
|
|
680 |
|
void lscp_channel_info_reset ( lscp_channel_info_t *pChannelInfo ) |
681 |
|
{ |
682 |
|
lscp_channel_info_free(pChannelInfo); |
683 |
lscp_channel_info_init(pChannelInfo); |
lscp_channel_info_init(pChannelInfo); |
684 |
} |
} |
685 |
|
|
694 |
pDriverInfo->parameters = NULL; |
pDriverInfo->parameters = NULL; |
695 |
} |
} |
696 |
|
|
697 |
void lscp_driver_info_reset ( lscp_driver_info_t *pDriverInfo ) |
void lscp_driver_info_free ( lscp_driver_info_t *pDriverInfo ) |
698 |
{ |
{ |
699 |
if (pDriverInfo->description) |
if (pDriverInfo->description) |
700 |
free(pDriverInfo->description); |
free(pDriverInfo->description); |
701 |
if (pDriverInfo->version) |
if (pDriverInfo->version) |
702 |
free(pDriverInfo->version); |
free(pDriverInfo->version); |
703 |
lscp_szsplit_destroy(pDriverInfo->parameters); |
lscp_szsplit_destroy(pDriverInfo->parameters); |
704 |
|
} |
705 |
|
|
706 |
|
void lscp_driver_info_reset ( lscp_driver_info_t *pDriverInfo ) |
707 |
|
{ |
708 |
|
lscp_driver_info_free(pDriverInfo); |
709 |
lscp_driver_info_init(pDriverInfo); |
lscp_driver_info_init(pDriverInfo); |
710 |
} |
} |
711 |
|
|
712 |
|
|
713 |
|
//------------------------------------------------------------------------- |
714 |
|
// Device info struct functions. |
715 |
|
|
716 |
|
void lscp_device_info_init ( lscp_device_info_t *pDeviceInfo ) |
717 |
|
{ |
718 |
|
pDeviceInfo->driver = NULL; |
719 |
|
lscp_plist_alloc(&(pDeviceInfo->params)); |
720 |
|
} |
721 |
|
|
722 |
|
void lscp_device_info_free ( lscp_device_info_t *pDeviceInfo ) |
723 |
|
{ |
724 |
|
if (pDeviceInfo->driver) |
725 |
|
free(pDeviceInfo->driver); |
726 |
|
lscp_plist_free(&(pDeviceInfo->params)); |
727 |
|
} |
728 |
|
|
729 |
|
void lscp_device_info_reset ( lscp_device_info_t *pDeviceInfo ) |
730 |
|
{ |
731 |
|
lscp_device_info_free(pDeviceInfo); |
732 |
|
lscp_device_info_init(pDeviceInfo); |
733 |
|
} |
734 |
|
|
735 |
|
|
736 |
|
//------------------------------------------------------------------------- |
737 |
|
// Device channel/port info struct functions. |
738 |
|
|
739 |
|
void lscp_device_port_info_init ( lscp_device_port_info_t *pDevicePortInfo ) |
740 |
|
{ |
741 |
|
pDevicePortInfo->name = NULL; |
742 |
|
lscp_plist_alloc(&(pDevicePortInfo->params)); |
743 |
|
} |
744 |
|
|
745 |
|
void lscp_device_port_info_free ( lscp_device_port_info_t *pDevicePortInfo ) |
746 |
|
{ |
747 |
|
if (pDevicePortInfo->name) |
748 |
|
free(pDevicePortInfo->name); |
749 |
|
lscp_plist_free(&(pDevicePortInfo->params)); |
750 |
|
} |
751 |
|
|
752 |
|
void lscp_device_port_info_reset ( lscp_device_port_info_t *pDevicePortInfo ) |
753 |
|
{ |
754 |
|
lscp_device_port_info_free(pDevicePortInfo); |
755 |
|
lscp_device_port_info_init(pDevicePortInfo); |
756 |
|
} |
757 |
|
|
758 |
|
|
759 |
|
//------------------------------------------------------------------------- |
760 |
|
// Parameter struct helper functions. |
761 |
|
|
762 |
|
void lscp_param_info_init ( lscp_param_info_t *pParamInfo ) |
763 |
|
{ |
764 |
|
pParamInfo->type = LSCP_TYPE_NONE; |
765 |
|
pParamInfo->description = NULL; |
766 |
|
pParamInfo->mandatory = 0; |
767 |
|
pParamInfo->fix = 0; |
768 |
|
pParamInfo->multiplicity = 0; |
769 |
|
pParamInfo->depends = NULL; |
770 |
|
pParamInfo->defaultv = NULL; |
771 |
|
pParamInfo->range_min = NULL; |
772 |
|
pParamInfo->range_max = NULL; |
773 |
|
pParamInfo->possibilities = NULL; |
774 |
|
} |
775 |
|
|
776 |
|
void lscp_param_info_free ( lscp_param_info_t *pParamInfo ) |
777 |
|
{ |
778 |
|
if (pParamInfo->description) |
779 |
|
free(pParamInfo->description); |
780 |
|
lscp_szsplit_destroy(pParamInfo->depends); |
781 |
|
if (pParamInfo->defaultv) |
782 |
|
free(pParamInfo->defaultv); |
783 |
|
if (pParamInfo->range_min) |
784 |
|
free(pParamInfo->range_min); |
785 |
|
if (pParamInfo->range_max) |
786 |
|
free(pParamInfo->range_max); |
787 |
|
lscp_szsplit_destroy(pParamInfo->possibilities); |
788 |
|
} |
789 |
|
|
790 |
|
void lscp_param_info_reset ( lscp_param_info_t *pParamInfo ) |
791 |
|
{ |
792 |
|
lscp_param_info_free(pParamInfo); |
793 |
|
lscp_param_info_init(pParamInfo); |
794 |
|
} |
795 |
|
|
796 |
|
|
797 |
|
//------------------------------------------------------------------------- |
798 |
|
// Concatenate a parameter list (key='value'...) into a string, |
799 |
|
// appending a crlf terminator. |
800 |
|
|
801 |
|
int lscp_param_concat ( char *pszBuffer, int cchMaxBuffer, lscp_param_t *pParams ) |
802 |
|
{ |
803 |
|
int cchBuffer, cchParam, i; |
804 |
|
|
805 |
|
if (pszBuffer == NULL) |
806 |
|
return 0; |
807 |
|
|
808 |
|
cchBuffer = strlen(pszBuffer); |
809 |
|
for (i = 0; pParams && pParams[i].key && pParams[i].value; i++) { |
810 |
|
cchParam = strlen(pParams[i].key) + strlen(pParams[i].value) + 4; |
811 |
|
if (cchBuffer + cchParam + 2 < cchMaxBuffer) { |
812 |
|
sprintf(pszBuffer + cchBuffer, " %s='%s'", pParams[i].key, pParams[i].value); |
813 |
|
cchBuffer += cchParam; |
814 |
|
} |
815 |
|
} |
816 |
|
|
817 |
|
if (cchBuffer + 2 < cchMaxBuffer) { |
818 |
|
pszBuffer[cchBuffer++] = '\r'; |
819 |
|
pszBuffer[cchBuffer++] = '\n'; |
820 |
|
} |
821 |
|
|
822 |
|
return cchBuffer; |
823 |
|
} |
824 |
|
|
825 |
|
|
826 |
// end of common.c |
// end of common.c |