Answer:
see explaination
Explanation:
#include <iostream>
#include <string>
using namespace std;
//function declarations
char PrintMenu(string& userString);
int GetNumOfNonWSCharacters(const string userString);
int GetNumOfWords(const string userString);
int FindText(const string& userString, const string& findString);
void ReplaceExclamation(string& periodString);
void ShortenSpace(string& shortenedString);
char menuChoice;
int main()
{
string userString;
cout << "Enter a sample text: ";
getline(cin, userString);
cout << endl << endl << "You entered: " << userString << endl;
PrintMenu(userString);
while (menuChoice != 'q')
{
PrintMenu(userString);
}
// system("pause");
return 0;
}
char PrintMenu(string& userString)
{
cout << "MENU" << endl;
cout << "c - Number of non-whitespace characters" << endl;
cout << "w - Number of words" << endl;
cout << "f - Find text" << endl;
cout << "r - Replace all !'s" << endl;
cout << "s - Shorten spaces" << endl;
cout << "q - Quit" << endl << endl;
cout << "Choose an option: " << endl;
cin >> menuChoice;
while ((menuChoice != 'c') && (menuChoice != 'w') && (menuChoice != 'f') && (menuChoice != 'r') && (menuChoice != 's') && (menuChoice != 'q'))
{
cout << "MENU" << endl;
cout << "c - Number of non-whitespace characters" << endl;
cout << "w - Number of words" << endl;
cout << "f - Find text" << endl;
cout << "r - Replace all !'s" << endl;
cout << "s - Shorten spaces" << endl;
cout << "q - Quit" << endl << endl;
cout << "Choose an option: " << endl;
cin >> menuChoice;
}
if (menuChoice == 'c')
{
cout << "Number of non-whitespace characters: " << GetNumOfNonWSCharacters(userString) << endl << endl;
}
else if (menuChoice == 'w')
{
cout << "Number of words: " << GetNumOfWords(userString) << endl << endl;
}
else if (menuChoice == 'f')
{
string stringFind;
cin.clear();
cin.ignore(20, '\n');
cout << "Enter a word or phrase to be found: " << endl;
getline(cin, stringFind);
cout << "\"" << stringFind << "\"" << " instances: " << FindText(userString, stringFind) << endl;
}
else if (menuChoice == 'r')
{
cout << "Edited text: ";
ReplaceExclamation(userString);
cout << userString << endl << endl;
}
else if (menuChoice == 's')
{
ShortenSpace(userString);
cout << "Edited text: " << userString << endl;
}
return menuChoice;
}
int GetNumOfNonWSCharacters(const string userString)
{
int numCharNotWhiteSpace = 0;
for (size_t i = 0; i < userString.size(); i++)
{
if (!isspace(userString.at(i)))
{
numCharNotWhiteSpace += 1;
}
}
return numCharNotWhiteSpace;
}
int GetNumOfWords(const string userString)
{
int numWords = 1;
for (size_t i = 0; i < userString.size(); i++)
{
if (isspace(userString.at(i)) && !isspace(userString.at(i + 1)))
{
numWords += 1;
}
}
return numWords;
}
int FindText(const string& userString, const string& findString)
{
int numInstance = 0;
int indx = 0;
string editedString;
editedString = userString;
while (editedString.find(findString) != string::npos)
{
numInstance++;
indx = editedString.find(findString);
editedString = editedString.substr(indx + findString.length(), (editedString.length() - 1));
}
return numInstance;
}
void ReplaceExclamation(string& periodString)
{
for (size_t i = 0; i < periodString.size(); i++)
{
if (periodString.at(i) == '!')
{
periodString.at(i) = '.';
}
}
}
void ShortenSpace(string& shortenedString)
{
for (size_t i = 0; i < shortenedString.size(); i++)
{
if (isspace(shortenedString.at(i)) && !isalpha(shortenedString.at(i + 1)))
{
shortenedString.erase(i, 1);
}
}
}
