// removes punctuation and redundant
// spaces from the user's input
void cleanString( std::string &str ) {
int len = str.length();
std::string temp = "";
char prevChar = 0;
for(int i = 0; i < len; ++i) {
if( (str[i] == ' ' && prevChar != ' ') || !isPunc(str[i]) ) {
temp += str[i];
prevChar = str[i];
}
else if(prevChar != ' ' && isPunc(str[i])) {
temp += ' ';
}
}
str = temp;
}
//splits a line into words
void SplitToWords(const std::string str, Vstr &v) {
std::string buffer;
for(int i = 0; i < str.length(); ++i) {
if(!isPunc(str[i]) && !isspace(str[i]) && str[i] != '.') {
buffer += str[i];
} else if(!buffer.empty()) {
v.push_back(buffer);
buffer.erase();
}
}
if((v.empty() && !buffer.empty()) || !buffer.empty()) {
v.push_back(buffer);
}
}
