/*
 * File:
 *   extractors.c
 * Author:
 *   Samuel A. Rebelsky
 * Version:
 *   0.1 of July 2003.
 * Summary:
 *   Procedures used to extract data from page visits.
 * Contents:
 *   See clio.h for details.
 */

/*********************************************************************
 * Headers *
 ***********/

#include "clio.h"


/*********************************************************************
 * Exported Functions *
 **********************/

float getLengthC(pagevisit *visit) {
  return (MAXC * visit->length) / (endtime-starttime);
} /* getLengthC */

int getLengthD(pagevisit *visit) {
  return (MAXD * visit->length) / (endtime-starttime);
} /* getLengthD */

float getPageC(pagevisit *visit) {
  return (float) visit->pageid;
} /* getPageC */

/* getPageD is not a good idea. */
int getPageD(pagevisit *visit) {
  return 0.0;
} /* getPageD */

float getStartC(pagevisit *visit) {
  return (MAXC * (visit->start - starttime)) / (endtime - starttime);
} /* getStartC */

int getStartD(pagevisit *visit) {
  return (MAXD * (visit->start - starttime)) / (endtime - starttime);
} /* getStartD */

float getTypeC(pagevisit *visit) {
  return (MAXC * visit->type) / pagetypes;
} /* getTypeC */

int getTypeD(pagevisit *visit) {
  return visit->type % MAXD;
} /* getTypeD */

float getUWSC(pagevisit *visit) {
  return visit->uws * 10;	/* Hack. */
} /* getUWSC */

int getUWSD(pagevisit *visit) {
  return visit->uws / 2;	/* Hack. */
} /* getUWSD */

float getConstant0C(pagevisit *visit) {
  return 0.0;
} /* getConstant0C */

int getConstant0D(pagevisit *visit) {
  return 0;
} /* getConstant0D */

float getConstant1C(pagevisit *visit) {
  return 1.0;
} /* getConstant1C */

int getConstant1D(pagevisit *visit) {
  return 1;
} /* getConstant1D */

float getConstant5C(pagevisit *visit) {
  return 5.0;
} /* getConstant5C */

int getConstant5D(pagevisit *visit) {
  return 5;
} /* getConstant5D */

float getConstant10C(pagevisit *visit) {
  return 10.0;
} /* getConstant10C */

int getConstant10D(pagevisit *visit) {
  return 10;
} /* getConstant10D */

float getConstant100C(pagevisit *visit) {
  return 100.0;
} /* getConstant100C */

int getConstant100D(pagevisit *visit) {
  return 100;
} /* getConstant100D */