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expat

    1: #include <sys/stat.h>
    2: #include <stdlib.h>
    3: #include <stdio.h>
    4: #include <time.h>
    5: #include "expat.h"
    6: 
    7: #if defined(__amigaos__) && defined(__USE_INLINE__)
    8: #include <proto/expat.h>
    9: #endif
   10: 
   11: #ifdef XML_LARGE_SIZE
   12: #define XML_FMT_INT_MOD "ll"
   13: #else
   14: #define XML_FMT_INT_MOD "l"
   15: #endif
   16: 
   17: static void
   18: usage(const char *prog, int rc)
   19: {
   20:   fprintf(stderr,
   21:           "usage: %s [-n] filename bufferSize nr_of_loops\n", prog);
   22:   exit(rc);
   23: }
   24: 
   25: int main (int argc, char *argv[]) 
   26: {
   27:   XML_Parser  parser;
   28:   char        *XMLBuf, *XMLBufEnd, *XMLBufPtr;
   29:   FILE        *fd;
   30:   struct stat fileAttr;
   31:   int         nrOfLoops, bufferSize, fileSize, i, isFinal;
   32:   int         j = 0, ns = 0;
   33:   clock_t     tstart, tend;
   34:   double      cpuTime = 0.0;
   35: 
   36:   if (argc > 1) {
   37:     if (argv[1][0] == '-') {
   38:       if (argv[1][1] == 'n' && argv[1][2] == '\0') {
   39:         ns = 1;
   40:         j = 1;
   41:       }
   42:       else
   43:         usage(argv[0], 1);
   44:     }
   45:   }
   46: 
   47:   if (argc != j + 4)
   48:     usage(argv[0], 1);
   49: 
   50:   if (stat (argv[j + 1], &fileAttr) != 0) {
   51:     fprintf (stderr, "could not access file '%s'\n", argv[j + 1]);
   52:     return 2;
   53:   }
   54:   
   55:   fd = fopen (argv[j + 1], "r");
   56:   if (!fd) {
   57:     fprintf (stderr, "could not open file '%s'\n", argv[j + 1]);
   58:     exit(2);
   59:   }
   60:   
   61:   bufferSize = atoi (argv[j + 2]);
   62:   nrOfLoops = atoi (argv[j + 3]);
   63:   if (bufferSize <= 0 || nrOfLoops <= 0) {
   64:     fprintf (stderr, 
   65:              "buffer size and nr of loops must be greater than zero.\n");
   66:     exit(3);
   67:   }
   68: 
   69:   XMLBuf = malloc (fileAttr.st_size);
   70:   fileSize = fread (XMLBuf, sizeof (char), fileAttr.st_size, fd);
   71:   fclose (fd);
   72:   
   73:   if (ns)
   74:     parser = XML_ParserCreateNS(NULL, '!');
   75:   else
   76:     parser = XML_ParserCreate(NULL);
   77: 
   78:   i = 0;
   79:   XMLBufEnd = XMLBuf + fileSize;
   80:   while (i < nrOfLoops) {
   81:     XMLBufPtr = XMLBuf;
   82:     isFinal = 0;
   83:     tstart = clock();
   84:     do {
   85:       int parseBufferSize = XMLBufEnd - XMLBufPtr;
   86:       if (parseBufferSize <= bufferSize)
   87:         isFinal = 1;
   88:       else
   89:         parseBufferSize = bufferSize;
   90:       if (!XML_Parse (parser, XMLBufPtr, parseBufferSize, isFinal)) {
   91:         fprintf (stderr, "error '%s' at line %" XML_FMT_INT_MOD \
   92:                      "u character %" XML_FMT_INT_MOD "u\n",
   93:                  XML_ErrorString (XML_GetErrorCode (parser)),
   94:                  XML_GetCurrentLineNumber (parser),
   95:                  XML_GetCurrentColumnNumber (parser));
   96:         free (XMLBuf);
   97:         XML_ParserFree (parser);
   98:         exit (4);
   99:       }
  100:       XMLBufPtr += bufferSize;
  101:     } while (!isFinal);
  102:     tend = clock();
  103:     cpuTime += ((double) (tend - tstart)) / CLOCKS_PER_SEC;
  104:     XML_ParserReset(parser, NULL);
  105:     i++;
  106:   }
  107: 
  108:   XML_ParserFree (parser);
  109:   free (XMLBuf);
  110:       
  111:   printf ("%d loops, with buffer size %d. Average time per loop: %f\n", 
  112:           nrOfLoops, bufferSize, cpuTime / (double) nrOfLoops);
  113:   return 0;
  114: }