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Posted on Sep 11, 2024

I can not get this Date.cpp, Date.H to compile in Code Blocks 13.12. I think it was created in Microsoft Visual Basic. The main, Date.cpp,

I can not get this Date.cpp, Date.H to compile in Code Blocks 13.12. I think it was created in Microsoft Visual Basic. The main, Date.cpp, and Date.H files are below. Also, the error codes are last below the codes. What is wrong with the coding?

// Main

#include "/Users/yourname/Documents/mycppDate.cpp" #include  using namespace std; int main() { Date today; cout< // Date.H
 #ifndef Date_H #define Date_H #include  #include  #include  #include 
 using namespace std;
 class Date { private: int month, day, year; int days[13]; public: //constructors Date(); //constructor for todays date Date(int m, int d, int y); //constructor to assign date Date(string str); //constructor for todays date as "mm/dd/year Date(int gregorian); //constructor to convert a Gregorian date to Date
  //methods int getMonth() const; //returns the private variable month int getDay() const; //returns the private variable day int getYear() const; //returns the private variable year string toString() const; //returns the string mm/dd/yyyy bool leapYear() const; //determines if the year is a leap year int dayofYear() const; //returns the day of the year: ie 2/1/???? is the 32 day of year int julian() const; int weekday() const; //returns 0 for Sunday, 1 for Monday, etc.
  //overloaded operators bool operator==(const Date& otherDate); //2 dates are equal if month, day and year are equal bool operator<(const Date& otherDate); //a date is < another date if it is earlier bool operator>(const Date& otherDate); //a date is > another date if it is later Date operator=(const Date& otherDate); //let's you copy one date to another. Date operator+(int); //Assign new values to the date after adding the number of days friend ostream& operator << (ostream &output, const Date &d); friend istream& operator >> (istream &input, Date &d); }; bool validDate(int m, int d, int y); //test other date bool leapYear(int y); //let's you test any year, not just the year for the instance int julian(int m, int d, int y); //convert any date to Julian void gregorian(int jd, int &mth, int &d, int &y); static int days2[]={0,31,28,31,30,31,30,31,31,30,31,30,31}; #endif
 // Data.cpp
 #include "Date.h"
 Date::Date() {
  //constructor to assign todays date to date
  char data[9]; //holder for the date
  string _strdate_s(data); //gets the current date mm/dd/yy
  string date=data; //copy to a string for parsing
  string month=stoi(date.substr(0,2)); //gets characters 0 and 1 of date and converts to int
  day=stoi(date.substr(3,2)); //gets characters 3 and 4 of date and converts to int
  year=stoi(date.substr(6,2))+2000; //gets characters 6 and 7 of date and converts to int
  if(leapYear()) days2[2]=29; else days2[2]=28;
  for(int m=0;m<13;m++) days[m]=days2[m];
 }//constructor for today
  
 static bool validDate(int m, int d, int y) {
  bool valid=true; //assume it is valid until found to be invalid
  if(y<1000) valid=false;
  if(m<1 || m>12) valid=false;
  if(leapYear(y)) days2[2]=29; else days2[2]=28;
  if(d<1 || d>days2[m]) valid=false;
  return valid;
 }//validDate
  
 Date::Date(int m, int d, int y) {
  //constructor to assign values to month day and year
  if(validDate(m,d,y)) {
  month=m;
  day=d;
  year=y;
  }
  else {
  month=day=1;
  year=1970; //Unix time starting point
  } //not valid: set to default valid date
  for(int m=0;m<13;m++) days[m]=days2[m];
 } //constructor with assigned values
  
 Date::Date(int julian) {
  //Fliegel-Van Flandern algorithm to convert Julian date to Gregorian number month, day, and year
  gregorian(julian,month,day,year);
  if(leapYear()) days2[2]=29; else days2[2]=28;
  for(int m=0;m<13;m++) days[m]=days2[m];
 }//Date Julian
  
 Date::Date (string str) { //constructor for todays date as "mm/dd/year
  //Parse str by adding one char at a s time to the token until a "/" is encounter.
  //When "/" is encountered start the next token
  //int p=0;
  int count=0;
  int num[3];
  string token[3];
  int len=str.length();
  for(int p=0; p 
 if(str.substr(p,1)=="/") count++;
 else token[count]+=str.substr(p,1);
  }//parse str to create array of tokens
  bool error=false;
  for(int p=0;p<3;p++) {
  try {
 num[p]=stoi(token[p]);
  }//try to convert to int
 catch(invalid_argument&) {
 num[p]=-1;
 error=true;
 } //catch
  }//each of the 3 tokens
  if(!error && validDate(num[0],num[1],num[2])) {
  month=num[0];
  day=num[1];
  year=num[2];
  } //no error
  else {
  month=day=1;
  year=1970; //Unix time starting point
  } //not valid: set to default valid date
  for(int m=0;m<13;m++) days[m]=days2[m];
 }//constructor with string such as "10/31/2016"
  
 Date Date::operator=(const Date& otherDate) {
  //assigns another instance of the date class to this.
  month=otherDate.month;
  day=otherDate.day;
  year=otherDate.year;
  return *this; //allows date1=date=date3;
 }//overloaded operator =
  
 Date Date::operator+(int numDays) {
  //Adds the number of days to the Julian date.
  Date other(month,day,year); //make copy of the date
  int jd=other.julian(); //find the Julian date
  jd+=numDays; //add the number of days to the Julian date
  gregorian(jd,other.month,other.day,other.year); //Convert the Julian date back to Gregorian
  if(other.leapYear()) days2[2]=29; else days2[2]=28;
  for(int m=0;m<13;m++) other.days[m]=days2[m];
  return other;
 } //operator +
  
 int Date::dayofYear() const {
  //returns the day of the year, ie 2/1/???? is the 32 day of the year
  int total=day;
  for(int m=1;m 
 return total;
 }//dayofYear
  
 void gregorian(int julian, int &mth, int &d, int &y) {
  //Fliegel-Van Flandern algorithm to convert Julian date to Gregorian month, day, and year
  int p,q,r,s,t,u,v;
  p = julian + 68569;
  q = 4*p/146097;
  r = p - (146097*q + 3)/4;
  s = 4000*(r+1)/1461001;
  t = r - 1461*s/4 + 31;
  u = 80*t/2447;
  v = u/11;
  y = 100*(q-49)+s+v;
  mth = u + 2 - 12*v;
  d = t - 2447*u/80;
 } //Gregorian
  
 int Date::julian() const {
 int jd= day-32075+1461*(year+4800+(month-14)/12)/4+
 367*(month-2-(month-14)/12*12) /12-3*((year+4900+(month-14)/12)/100)/4;
 return jd;
  
 }
 bool Date::leapYear() const {
  bool leap=false;
  if(year%4==0) leap=true;
  if(year%100==0 && year%400!=0) leap=false;
  return leap;
 }//leapYear
  
 bool leapYear(int yr) {
  bool leap=false;
  if(yr%4==0) leap=true;
  if(yr%100==0 && yr%400!=0) leap=false;
  return leap;
 }//leapYear
  
 int Date::weekday() const {
  //returns 0 for Sunday, 1 for Monday, etc.
  static int t[] = { 0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4 };
  int y =year;
  y-= month < 3;
  return ( y + y/4 - y/100 + y/400 + t[month-1] + day) % 7;
 }//weekday
  
 int Date::getMonth() const {
  //private variables cannot be accessed directly but require "getter" functions
  return month;
 }//getMonth
  
 int Date::getDay() const {
  return day;
 }//
  
 int Date::getYear() const {
  return year;
 }//getYear
  
 string Date::toString() const {
  stringstream oss; //a stream to append the values
  oss< 
 return oss.str();
 }
  
 bool Date::operator==(const Date& otherDate) {
  return (month==otherDate.month && day==otherDate.day && year==otherDate.year);
 }//operator ==
  
 bool Date::operator<(const Date& otherDate) {
  //A date is less than another date if is earlier
  bool result=false; //assume false until proven true
  if(year 
 else if(year==otherDate.year && month 
 else if(year==otherDate.year && month==otherDate.month && day 
 return result;
 }//operator
  
 bool Date::operator>(const Date& otherDate) {
  //Convert both dates to Julian and compare the Julian dates
  int jd1=julian();
  int jd2=otherDate.julian();
  return jd1>jd2;
 }//operator
  
 ostream& operator << (ostream &output, const Date &d) {
  output << d.toString();
  return output;
 } // operator <<
 istream& operator >> (istream &input, Date &d) {
  string s;
  input >> s;
  Date other(s); //create a new Date
  d=other; //assign the new Date to d
  return input;
  } // operator >>
 // Error codes Date.cpp
 ||=== Build: Debug in Assignment 1 - The Data Class (compiler: GNU GCC Compiler) ===|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.h|22|error: extra qualification 'Date::' on member 'getMonth' [-fpermissive]|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.h|23|error: extra qualification 'Date::' on member 'getDay' [-fpermissive]|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.h|24|error: extra qualification 'Date::' on member 'getYear' [-fpermissive]|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.h|26|error: extra qualification 'Date::' on member 'leapYear' [-fpermissive]|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.h|27|error: extra qualification 'Date::' on member 'dayofYear' [-fpermissive]|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.h|28|error: extra qualification 'Date::' on member 'julian' [-fpermissive]|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.h|29|error: extra qualification 'Date::' on member 'weekday' [-fpermissive]|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.h|32|error: extra qualification 'Date::' on member 'operator==' [-fpermissive]|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.h|33|error: extra qualification 'Date::' on member 'operator<' [-fpermissive]|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.h|34|error: extra qualification 'Date::' on member 'operator>' [-fpermissive]|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.h|35|error: extra qualification 'Date::' on member 'operator=' [-fpermissive]|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.h|36|error: extra qualification 'Date::' on member 'operator+' [-fpermissive]|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp||In constructor 'Date::Date()':|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp|5|error: '_strdate_s' was not declared in this scope|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp|7|error: 'stoi' was not declared in this scope|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp||In function 'bool validDate(int, int, int)':|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp|14|error: 'bool validDate(int, int, int)' was declared 'extern' and later 'static' [-fpermissive]|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.h|40|error: previous declaration of 'bool validDate(int, int, int)' [-fpermissive]|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp||In constructor 'Date::Date(std::string)':|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp|59|error: 'stoi' was not declared in this scope|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp|61|error: expected type-specifier before 'invalid_argument'|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp|61|error: expected ')' before '&' token|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp|61|error: expected '{' before '&' token|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp|61|error: expected primary-expression before ')' token|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp|61|error: expected ';' before ')' token|
 ||=== Build failed: 22 error(s), 0 warning(s) (0 minute(s), 0 second(s)) ===|
 // Error Code Date.H
 ||=== Build: Debug in Assignment 1 - The Data Class (compiler: GNU GCC Compiler) ===|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp||In constructor 'Date::Date()':|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp|5|error: '_strdate_s' was not declared in this scope|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp|7|error: 'stoi' was not declared in this scope|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp||In function 'bool validDate(int, int, int)':|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp|14|error: 'bool validDate(int, int, int)' was declared 'extern' and later 'static' [-fpermissive]|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.h|40|error: previous declaration of 'bool validDate(int, int, int)' [-fpermissive]|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp||In constructor 'Date::Date(std::string)':|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp|59|error: 'stoi' was not declared in this scope|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp|61|error: expected type-specifier before 'invalid_argument'|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp|61|error: expected ')' before '&' token|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp|61|error: expected '{' before '&' token|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp|61|error: expected primary-expression before ')' token|
 J:\Study_Courses\Montgomery College\CPP\Classes\Data Class\Date.cpp|61|error: expected ';' before ')' token|
 ||=== Build failed: 10 error(s), 0 warning(s) (0 minute(s), 0 second(s)) ===|