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-matrixMaker.cgi / cgi


  #!/bin/ch
  //*************************************************************
  // makematrix.cgi
  // creates a matrix of size specified
  // by the client. Submits operation options
  // to matrixCalculator.cgi.
  // History: created by Harry H. Cheng, 2/8/1996
  // Last modified: 2/22/96
  //*************************************************************
  
  include<cgi.h>
  
  void errorHandler(char *reason) {
      printf("<TITLE>Web Matrix Calculator Failed</TITLE>\n");
      printf("<body bgcolor=\"#FFFFFF\" text=\"#000000\" vlink=\"#FF0000\">\n");
      printf("<H3>Web Matrix Calculator Failed</H3>\n");
      printf("Your mathematical expression has not been submitted to Matrix Calculator,\n");
      printf("because \%s. ",reason);
      printf("<A HREF=\"/chhtml/toolkit/demos/cgi/sample/matrixCalculator.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);
  }
  
  int main() {
      int num, i, j, rowA, colA, rowB, colB, matrixNum;
      chstrarray name;
      chstrarray value;
      string_t reason;
      class CResponse Response;
      class CRequest Request;
  
      Response.setContentType("text/html");
      Response.begin();
  
      num = Request.getFormNameValue(name, value);
      if(num==0 || value[0]==NULL) {
         printf("No name/value has been submitted<p>\n");
         exit(0);
      }
  
      for(i=0;i<num;i++) {
         if(!isnum(value[i])) {
            sprintf(reason,"\%s is not a valid dimension", value[i]);
            errorHandler(reason);
         }
      }
  
      if(num==1) {
         rowA=atoi(value[0]);
         colA=rowA;
         matrixNum = 1;
      }
  
      if(num==4) {
         rowA=atoi(value[0]);
         colA=atoi(value[1]);
         rowB=atoi(value[2]);
         colB=atoi(value[3]);
         matrixNum = 2;
      }
     
      printf("<HEAD>\n");
      printf("<TITLE>\n");
      printf("Web Matrix Calculator \n");
      printf("</TITLE>\n");
      printf("</HEAD>\n");
      printf("<body bgcolor=\"#FFFFFF\" text=\"#000000\" vlink=\"#FF0000\">\n");
      printf("<H1>Web Matrix Calculator </H1>\n");
      printf("<HR>\n");
  
      printf("<FORM method=\"POST\" action=/cgi-bin/chcgi/toolkit/demos/sample/matrixCalculator.ch>\n");
      printf("<INPUT type=\"hidden\" name=\"matrixNum\" value=\"\%d\">\n", matrixNum);
      if(num == 1) {
         printf("<INPUT type=\"hidden\" name=\"rowA\" value=\%d>\n", rowA);
         printf("<INPUT type=\"hidden\" name=\"colA\" value=\%d>\n", colA);
      }
  
      if(num == 4) {
         printf("<INPUT type=\"hidden\" name=\"rowA\" value=\%d>\n", rowA);
         printf("<INPUT type=\"hidden\" name=\"colA\" value=\%d>\n", colA);
         printf("<INPUT type=\"hidden\" name=\"rowB\" value=\%d>\n", rowB);
         printf("<INPUT type=\"hidden\" name=\"colB\" value=\%d>\n", colB);
      }
      
      printf("A = \n");
      printf("<BR>");
      for(i=1;i<=rowA;i++) {
          for(j=1;j<=colA;j++)
              printf("<INPUT name=\"A\%d\%d\" value=\"\%d\" size=5>\n", i, j, i+j);
          printf("<BR>\n");
      } 
  
      if(num!=1) {
         printf("<P>\n");
         printf("B = \n");
         printf("<BR>");
         for(i=1;i<=rowB;i++) {
             for(j=1;j<=colB;j++) {
                 printf("<INPUT name=\"B\%d\%d\" value=\"\%d\" size=5>\n", i, j, i+j);
             }
             printf("<BR>\n");
         } 
      }
  
      printf("<P>\n");
      printf("Expression\n<BR>\n");
      if(num!=1)
        printf("<INPUT NAME=\"operation\" value = \"\%s\" SIZE=\"35\"></P>\n", "transpose(A)*B");
      else
        printf("<INPUT NAME=\"operation\" value = \"\%s\" SIZE=\"35\"></P>\n", "2*A");
  
      printf("<INPUT TYPE=submit VALUE=\"Calcualte\">\n");
      printf("<INPUT TYPE=reset VALUE=\"Reset\">\n");
      printf("</FORM>\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");
      printf("</FONT>\n");
      printf("</BODY>\n");
      Response.end();
  
     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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