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Creating survey using the webapps.h function and survey.cpp but wont compile
This is my survey.cpp, no problems with this
#include "WebApps.h"
#include "FileApps.h"
#include <iomanip>
#include <iostream>
#include <cstring>
#include <cstdlib>
#include <string>
#include <cctype> //for isalnum()
using namespace std;
WebApps wo;
FileApps fo("survey.txt");
void build_form();
void save_data_line(string);
string prepare_vote(int);
void display_result(string[]);
int* create_int_array(int);
//******************************
//**begining of display_result**
//******************************
void display_result(string f_data_array[])
{
int *vote_tally_array = new int[2];
for (int i = 0; i < 2; i++)
{
vote_tally_array[i] = 0;
}
int start_pos = 0, pos;
string data, vote;
for (int i = 0; i < fo.get_survey_txt_cnt(); i++)
{
data = f_data_array[i];
pos = data.find("|", start_pos);
vote = data.substr(start_pos, pos);
if (vote == "Summer")
{
vote_tally_array[0]++;
}
else if (vote == "Fall")
{
vote_tally_array[1]++;
}
}
cout << "<br><br><br><b>Survey Results:</b><br><br>" << "Summer: " << vote_tally_array[0] << "<br><br>" << "Fall: " << vote_tally_array[1] << "<br><br>"
" <a href=http://toolkit.cs.ohlone.edu/~gen209/survey.txt > Survey.txt file </a><br><br> ";
}
//******************************
//**begining of main************
//******************************
int main()
{
const int cnt = wo.get_cnt();
string* data_array;
if (cnt != 0)
{
cout << "debug with cnt != 0<br>" << endl;
//call function to prepare vote
string data_line = prepare_vote(cnt);
cout << "debug with data_line: " << data_line << "<br>" << endl;
//save_data_line() appends the vote to the end of survey.txt
fo.save_data_line(data_line);
//read_data() opens survey.txt and populates array data_array[]
fo.read_data();
cout << "debug past read_data()<br>" << endl;
//array data_array[] is now ours (contains all of the votes as strings
data_array = fo.get_data_array();
cout << "From main() debug with 1th element: " << data_array[0] <<
"<br>" << endl;
// End of the need for FileApps.h under this if statement
}
else
{
build_form(); //calls the build_form function which shows the survey on the web
}
display_result(data_array);
return 0;
}
//******************************
//**begining of build_form**
//******************************
void build_form() { //this is the html file that users will use to actually take the survey
cout << "<html><head><title>Season Surveying Vote</title></head>" <<
"<body bgcolor=#42f4df>\n" <<
"<form action=\"survey.cgi\" method=\"GET\">\n" <<
" <br><b>Favorite season also let semester end</b><br><br>\n" <<
" <label for=\"vote\">Summer</label>\n" <<
" <input name=\"vote\" value=\"Y\" type=\"radio\"></td><p>\n" <<
" <label for=\"vote\">Fall</label>\n" <<
" <input name=\"vote\" value=\"N\" type=\"radio\"></td><p>\n" <<
" <p><input type=\"submit\" value=\"Finish Survey\"><br><br>" <<
" <a href=http://toolkit.cs.ohlone.edu/~gen209/survey.txt > Survey.txt file </a><br><br> "
"Hit ' Submission ' and see the results!<br>" <<
"</form>\n" <<
"</body>\n" <<
"</html>\n";
}
//******************************
//**begining of prepare_vote**
//******************************
string prepare_vote(int f_cnt) {
//create dynamic array name_value_pairs[] from the wo object
FIELDS * name_value_pairs = wo.create_array(f_cnt);
//parse qs into name_value_pairs[] array from the wo object
wo.parse(wo.get_qs(), name_value_pairs);
//param the vote field value into variable 'vote' from the wo object
string vote = wo.param("vote", name_value_pairs, f_cnt);
cout << "debug with vote: " << vote << "< br>" << endl;
return vote + "|\n";
}
WEBAPPS.H
#ifndef WEBAPPS_H
#define WEBAPPS_H
#include <iomanip>
#include <iostream>
#include <cstring>
#include <cstdlib>
#include <string>
#include <cctype>
using namespace std;
struct FIELDS
{
string name;
string value;
};
class WebApps
{
private:
string qs;
int cnt;
int how_many(string f_qs);
public:
void parse(string qs, FIELDS f_name_value_pairs[]);
string param(string lookUp, FIELDS f_name_value_pairs[]);
FIELDS *create_array(int f_cnt);
WebApps()
{ //constructor
cout << "Content-type:text/html\n\n"; //get ready to print on browser
set_qs(getenv("QUERY_STRING")); //save string to private qs
//cout << "debug with get_qs: " << get_qs(); //testing functions
set_cnt(how_many(get_qs()));
//cout << "<br>debug with get_cnt: " << get_cnt();//testing functions
}
void set_qs(string f_getenv)
{
qs = f_getenv;
}
void set_cnt(int f_how_many)
{
cnt = f_how_many;
}
string get_qs()
{
return qs;
}
int get_cnt()
{
return cnt;
}
};
/////////////////////////////////////////////////////
// how_many()
// This will count and return how many = signs in the QUERYSTRING
////////////////////////////////////////////////////
int
WebApps::how_many(string f_qs)
{
int f_cnt = 0;
for (int i = 0; i < f_qs.length(); i++) {
if (f_qs[i] == '=') {
f_cnt++;
}
}
return f_cnt;
}
////////////////////////////////////////////////////
//create_array
// Creates a dynamic array
////////////////////////////////////////////////////
FIELDS *
WebApps::create_array(int f_cnt)
{
FIELDS fields[f_cnt];
return fields;
}
/////////////////////////////////////////////
// parse()
// This will separate the name/value pairs found after the ? in the URL
/////////////////////////////////////////////
void
WebApps::parse(string f_qs, FIELDS f_name_value_pairs[])
{
cout << "debug in parse<br>\n" << endl;
string name, value;
int start_pos = 0, pos;
for (int counter = 0; counter < get_cnt(); counter++) {
pos = qs.find("=", start_pos);
name = qs.substr(start_pos, pos - start_pos);
cout << "name: " << name << "<br>" << endl;
start_pos = pos + 1;
pos = qs.find("&", start_pos);
f_name_value_pairs[counter].name = name;
if (pos == string::npos) {
pos = qs.length();
}
value = qs.substr(start_pos, pos - start_pos);
cout << "value: " << value << "<br>" << endl;
start_pos = pos + 1;
f_name_value_pairs[counter].value = value;
}
}
/////////////////////////////////////////////
// param()
// Will receive the value for any given form field
/////////////////////////////////////////////
string
WebApps::param(string lookUp, FIELDS f_name_value_pairs[],int f_cnt)
{
string value;
int i = 0;
for (i = 0; i < get_cnt(); i++) {
if (lookUp == f_name_value_pairs[i].name) {
value = f_name_value_pairs[i].value;
}
}
return value;
}
#endif //WEBAPPS_H
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