#include <iostream>
#include <string>
using namespace std;

class Sentence {
public:
	Sentence();  // default constructor
	Sentence(string & source);  // construct using a string
	Sentence(istream & strm);  // construct using input from a stream

	// inspectors
	int HowManyWords();  // how many words in the sentence
	double AveWordLen();  // ave word length in sentence
	int LongestWordLen(); // length of longest word in sentence
	string LongestWord(); // report what the longest word is
	string GetString() {  // report what the sentence is (inline)
		return sent;
	}

	// mutators
	bool InsertBeforeFirst(string & toFind, string & toInsert); 
	                      // stick toInsert string immediately before first occurrence of toFind string

	bool InsertAfterFirst(string & toFind, string & toInsert); 
	                      // stick toInsert string immediately after first occurrence of toFind string

	bool InsertBeforeAll(string & toFind, string & toInsert); 
	                      // stick toInsert string immediately before all occurrence of toFind string

	bool InsertAfterAll(string & toFind, string & toInsert); 
	                      // stick toInsert string immediately after all occurrence of toFind string

	bool RemoveAll(string & toFind);
	                      // remove all occurences of toFind string 
	
	bool RemoveFirst(string & toFind);
	                      // remove first occurence of toFind string 

	bool RemoveAllChars (string & toFind);
	                      // remove all occurrences of any char in the toFind string
private:
	// private functions
	int CountBetween (const string & separators); 
	                      // count how many substrings there are - given a set of possible separators

	int split (const string & separators, string words[]);
	                      // create an array of strings containing the words in the sentence string


	// data members
	string sent;
};

// allows outputting all info about sentence
ostream& operator << (ostream & strOut, Sentence & mySent);