/[svn]/liblscp/trunk/src/common.c

Diff of /liblscp/trunk/src/common.c

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-revision 144 by capela,
Thu Jun 24 18:25:11 2004 UTC
+revision 158 by capela,
Tue Jun 29 16:39:11 2004 UTC
 Line 25
  #include <ctype.h>
- // Chunk size magic:
+ // Split chunk size magic:
- // LSCP_SPLIT_CHUNK1 = 2 ^ LSCP_SPLIT_CHUNK2
+ // LSCP_SPLIT_CHUNK1 := 2 ^ LSCP_SPLIT_CHUNK2
  #define LSCP_SPLIT_CHUNK1   4
  #define LSCP_SPLIT_CHUNK2   2
  // Chunk size legal calculator.
 Line 419 
 int lscp_isplit_size ( int *piSplit )
  #endif // LSCP_ISPLIT_COUNT
+ // Split a string into a null terminated array of parameter items.
+ lscp_param_t *lscp_psplit_create ( const char *pszCsv, const char *pszSeps1, const char *pszSeps2 )
+ {
+     char *pszHead, *pch;
+     int iSize, i, j, cchSeps1, cchSeps2;
+     lscp_param_t *ppSplit, *ppNewSplit;
+     pszHead = strdup(pszCsv);
+     if (pszHead == NULL)
+         return NULL;
+     iSize = LSCP_SPLIT_CHUNK1;
+     ppSplit = (lscp_param_t *) malloc(iSize * sizeof(lscp_param_t));
+     if (ppSplit == NULL) {
+         free(pszHead);
+         return NULL;
+     }
+     cchSeps1 = strlen(pszSeps1);
+     cchSeps2 = strlen(pszSeps2);
+     i = 0;
+     while ((pch = strpbrk(pszHead, pszSeps1)) != NULL) {
+         ppSplit[i].key = pszHead;
+         pszHead = pch + cchSeps1;
+         *pch = (char) 0;
+         ppSplit[i].value.psz = lscp_unquote(&pszHead, 0);
+         if ((pch = strpbrk(pszHead, pszSeps2)) != NULL) {
+             pszHead = pch + cchSeps2;
+             *pch = (char) 0;
+         }
+         if (++i >= iSize) {
+             iSize += LSCP_SPLIT_CHUNK1;
+             ppNewSplit = (lscp_param_t *) malloc(iSize * sizeof(lscp_param_t));
+             if (ppNewSplit) {
+                 for (j = 0; j < i; j++) {
+                     ppNewSplit[j].key = ppSplit[j].key;
+                     ppNewSplit[j].value.psz = ppSplit[j].value.psz;
+                 }
+                 free(ppSplit);
+                 ppSplit = ppNewSplit;
+             }
+         }
+     }
+     if (i < 1)
+         free(pszHead);
+     for ( ; i < iSize; i++) {
+         ppSplit[i].key = NULL;
+         ppSplit[i].value.psz = NULL;
+     }
+     return ppSplit;
+ }
+ // Destroy a parameter list array.
+ void lscp_psplit_destroy ( lscp_param_t *ppSplit )
+ {
+     if (ppSplit && ppSplit[0].key)
+         free(ppSplit[0].key);
+     if (ppSplit)
+         free(ppSplit);
+ }
+ #ifdef LSCP_PSPLIT_COUNT
+ // Compute a parameter list valid item count.
+ int lscp_psplit_count ( lscp_param_t *ppSplit )
+ {
+     int i = 0;
+     while (ppSplit && ppSplit[i].key)
+         i++;
+     return i;
+ }
+ // Compute a parameter list size.
+ int lscp_psplit_size ( lscp_param_t *ppSplit )
+ {
+     return LSCP_SPLIT_SIZE(lscp_psplit_count(ppSplit));
+ }
+ #endif // LSCP_PSPLIT_COUNT
  //-------------------------------------------------------------------------
  // Engine info struct helper functions.

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