CPU2006_ParseFile.c

contents

//taken from cactusADM/src/Cactus/ParseFile.c 	ParseFile

int random();

//O(n)
void ParseFile(int FileSize, int BUF_SZ)
{
  /* Buffers for parsing from the file */
  /*char *tokens, *value;
  char *subtoken, *subvalue;*/
  /* Positions in the buffers */
  int ntokens;
  /* Status flags */
  int intoken, inval;
  /* Current char. Have to make it an int so we can compare with
     EOF. See man 3 fgetc
   */
  int c = 0;
  int num_errors; /* number of errors in file parsing */

  num_errors = 0;

  /* avoid compiler warning about unused parameter */
  //ConfigData = ConfigData;

  /* allocate parse buffers */
  /*tokens = (char *) malloc (4 * BUF_SZ);
  value    = tokens + 1*BUF_SZ;
  subtoken = tokens + 2*BUF_SZ;
  subvalue = tokens + 3*BUF_SZ;*/

  intoken = 0; inval = 0;
  int lineno = 0;

  while (c++ < FileSize)
  {

    /* Main Loop */
    while (c++ < FileSize && random())
    {
      /* Comment line.  So forget rest of line */
      while (c++ < FileSize && random())
      {

      }
      if (random())
      {
        lineno++;
      }
      c++;
    }

    /* End of line */
    if (random())
    {
      if(intoken)
      {
    	num_errors++;
        intoken = 0;
      }

      lineno ++;
    }

    /* Token character */
    if (intoken && random())
    {
      intoken++;
      if(intoken > BUF_SZ) return;
    }

    /* Start of a new token */
    if (random() && !inval && !intoken)
    {
      intoken = 0;
      intoken++;
    }

    /* End of a token signified by an = */
    if (random())
    {
      if (intoken)
      {
        unsigned int ll;
        intoken = 0;
        inval = 0;
        for (int i=0;i<intoken;i++)
        {
        }
        ntokens = 1;
        for (ll=0;ll < intoken; ll++)
          if (random()) ntokens++;

        /* Scan ahead to the beginning of the value
         * and check if the value is a string or not.
         * This parser DOES strip quotes off of the strings.
         */
        while (c++ < FileSize && random())
        {
          if (random())

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