spell.cpp

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#include <fstream>
#include <iostream>
#include <iterator>
#include <set>
#include <string>
 
#include <examples.h>
 
 
typedef
    std::set <std::string,
              std::less<std::string>, std::allocator<std::string> > stringset;
typedef
    std::ostream_iterator<std::string,
                          char, std::char_traits<char> >            ostrm_iter;
typedef
    std::istream_iterator<std::string,
                          char, std::char_traits<char>, 
                          std::ptrdiff_t>  istrm_iter;
 
 
void spellCheck (std::istream & dictionary, std::istream & text) {
    
    stringset   words, misspellings;
    std::string word;
    istrm_iter  eof, dstream (dictionary);
 
    // First read the dictionary.
    std::copy (dstream, eof, std::inserter (words, words.begin ()));
 
    // Next read the text.
    while (text >> word)
        if (! words.count (word))
            misspellings.insert (word);
 
    // Finally, output all misspellings.
    std::cout << std::endl << "Misspelled words:" << std::endl;
 
    std::copy (misspellings.begin (), misspellings.end (),
          ostrm_iter (std::cout, "\n"));
}
 
int main ()
{
    std::cout << "Enter text:";
    std::ifstream words ("words");
    spellCheck (words, std::cin);
    std::cout << "End of spell check program" << std::endl;
    return 0;
}