topical media & game development

topical media & game development
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _
lib-ch-example-sample-gpa.cgi / cgi

  #!/bin/ch
  /* Calculate the Grade point Average (GPA) of a class
     Report in the form of html format.
     Created by Harry H. Cheng, 11/7/1995
     Last time modified, 10/25/1996
  */
  include <cgi.h>
  
  int a ,am , bp ,b , bm ,cp ,c ,cm ,dp , d, dm , f, sum;
  float  sa ,sam , sbp ,sb , sbm ,scp ,sc ,scm ,sdp , sd, sdm, sf, gpa;
  
  void errorHandler(char *reason) {
      printf("Content-type: text/html\n\n"); 
      printf("<TITLE>GPA Calculator Failed</TITLE>\n");
      printf("<body bgcolor=\"#FFFFFF\" text=\"#000000\" vlink=\"#FF0000\">\n");
      printf("<H3>GPA Calculator Failed</H3>\n");
      printf("Your GPA information has not been submitted to GPA Calculator,\n");
      printf("because \%s. ",reason);
      printf("<A HREF=\"/chhtml/toolkit/demos/cgi/sample/gpa.html\">Try again.</A>\n");
      printf("<p>\n");
      printf("<A HREF=\"http://www.softintegration.com\" target=\"_top\">\n");
      printf("<img src=\"/chhtml/images/poweredbych.gif\" alt=\"Powered by Ch\"></A>\n");
      exit(1);
  }
  
  void sendGPA() {
      printf("Content-type: text/html\n\n"); 
      printf("<TITLE>GPA Calculator Report</TITLE>\n");
      printf("<body bgcolor=\"#FFFFFF\" text=\"#000000\" vlink=\"#FF0000\">\n");
      printf("<H3>GPA Calculator Report</H3>\n");
  
      sum = a +am + bp +b + bm +cp +c +cm +dp + d + dm+ f;
      gpa = (sa * a +sam*am + sbp *bp+sb *b+ sbm*bm+scp *cp+sc *c+scm *cm +sdp*dp +sd *d + sdm*dm + sf *f)/sum;
  
      printf("<PRE>\n");
      printf("Grade\t Num of students\t Score\n");
      printf("---------------------------------------\n");
      printf(" A/A+\t\t \%d\t\t %.1f \n", a, sa);
      printf(" A-\t\t \%d\t\t %.1f \n", am, sam);
      printf(" B+\t\t \%d\t\t %.1f \n", bp, sbp);
      printf(" B\t\t \%d\t\t %.1f \n", b, sb);
      printf(" B-\t\t \%d\t\t %.1f \n", bm, sbm);
      printf(" C+\t\t \%d\t\t %.1f \n", cp, scp);
      printf(" C\t\t \%d\t\t %.1f \n", c, sc);
      printf(" C-\t\t \%d\t\t %.1f \n", cm, scm);
      printf(" D+\t\t \%d\t\t %.1f \n", dp, sdp);
      printf(" D\t\t \%d\t\t %.1f \n", d, sd);
      printf(" D-\t\t \%d\t\t %.1f \n", dm, sdm);
      printf(" F\t\t \%d\t\t %.1f \n", f, sf);
      printf("---------------------------------------\n");
      printf(" Total number of students: \%d \n", sum);
      printf(" Grade point average: %.2f \n", gpa);
      printf("</PRE>\n");
  
      printf("<p>\n");
      printf("<A HREF=\"http://www.softintegration.com\" target=\"_top\">\n");
      printf("<img src=\"/chhtml/images/poweredbych.gif\" alt=\"Powered by Ch\"></A>\n");
  }
  
  int main() {
    int i, num;
    class CRequest Request;
    chstrarray name_tmp, value_tmp;
    char *value; 
  
    setvbuf(stdout, NULL, _IONBF, 0); 
     
    num = Request.getFormNameValue(name_tmp, value_tmp);
    if(num == 0) {
      errorHandler("no name/value has been submitted\n");
    }
    else if(num == -1) {
      errorHandler("not invoked through WWW-CGI\n");
    }
    else if(num == -2) {
      errorHandler("no enough memory\n");
    }
      
        value = Request.getForm("A");
        if(isnum(value))
          a = atoi(value);
        else  
          errorHandler("A is not a valid integral number");
        value = Request.getForm("score_A");
        if(isnum(value))
          sa = atof(value);
        else  
          errorHandler("score_A is not a valid number");
      
        value = Request.getForm("A-");
        if(isnum(value))
          am = atoi(value);
        else  
          errorHandler("A- is not a valid integral number");
        value = Request.getForm("score_A-");
        if(isnum(value))
          sam = atof(value);
        else  
          errorHandler("score_A- is not a valid number");
  
        value = Request.getForm("B+");
        if(isnum(value))
          bp = atoi(value);
        else 
          errorHandler("B+ is not a valid integral number");
        value = Request.getForm("score_B+");
        if(isnum(value))
          sbp = atof(value);
        else
          errorHandler("score_B+ is not a valid number");
  
        value = Request.getForm("B");
        if(isnum(value))
          b = atoi(value);
        else
          errorHandler("B is not a valid integral number");
        value = Request.getForm("score_B");
        if(isnum(value))
          sb = atof(value);
        else
          errorHandler("score_B is not a valid number");
  
        value = Request.getForm("B-");
        if(isnum(value))
          bm = atoi(value);
        else
          errorHandler("B- is not a valid integral number");
        value = Request.getForm("score_B-");
        if(isnum(value))
          sbm = atof(value);
        else
          errorHandler("score_B- is not a valid number");
  
        value = Request.getForm("C+");
        if(isnum(value))
          cp = atoi(value);
        else 
          errorHandler("C+ is not a valid integral number");
        value = Request.getForm("score_C+");
        if(isnum(value))
          scp = atof(value);
        else
          errorHandler("score_C+ is not a valid number");
  
        value = Request.getForm("C");
        if(isnum(value))
          c = atoi(value);
        else
          errorHandler("C is not a valid integral number");
        value = Request.getForm("score_C");
        if(isnum(value))
          sc = atof(value);
        else
          errorHandler("score_C is not a valid number");
  
        value = Request.getForm("C-");
        if(isnum(value))
          cm = atoi(value);
        else
          errorHandler("C- is not a valid integral number");
        value = Request.getForm("score_C-");
        if(isnum(value))
          scm = atof(value);
        else
          errorHandler("score_C- is not a valid number");
        value = Request.getForm("D+");
        if(isnum(value))
          dp = atoi(value);
        else 
          errorHandler("D+ is not a valid integral number");
        value = Request.getForm("score_D+");
        if(isnum(value))
          sdp = atof(value);
        else
          errorHandler("score_D+ is not a valid number");
  
        value = Request.getForm("D");
        if(isnum(value))
          d = atoi(value);
        else
          errorHandler("D is not a valid integral number");
        value = Request.getForm("score_D");
        if(isnum(value))
          sd = atof(value);
        else
          errorHandler("score_D is not a valid number");
  
        value = Request.getForm("D-");
        if(isnum(value))
          dm = atoi(value);
        else
          errorHandler("D- is not a valid integral number");
        value = Request.getForm("score_D-");
        if(isnum(value))
          sdm = atof(value);
        else
          errorHandler("score_D- is not a valid number");
  
        value = Request.getForm("F");
        if(isnum(value))
          f = atoi(value);
        else
          errorHandler("F is not a valid integral number");
        value = Request.getForm("score_F");
        if(isnum(value))
          sf = atof(value);
        else
          errorHandler("score_F is not a valid number");
    
    sendGPA();
    exit(0);
  }
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _
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