void queryMode(__gnu_cxx::hash_map<string, details> &hashMap)
// REQ: valid filled hash map
// MOD: none
// EFF: enters and input mode and lets the user query about data located in hash map
{
string input, lower;
bool found = false;
cout << "Enter word: ";
getline(cin, input);
while (input != ":quit")
{
if (input == "")
{
cout << "Appeared 0 times\n";
}
else
{
parseQuery(input);
lower = lowerCase(input);
found = hashMap.count(lower);
if (found == 0)
{
cout << "Appeared 0 times\n";
}
else
{
if (hashMap[lower].unique == true && (input != hashMap[lower].appear))
{
cout << "Appeared " << hashMap[lower].appearances << " times as \""
<< hashMap[lower].appear << "\"\n";
}
else
{
cout << "Appeared " << hashMap[lower].appearances << " times\n";
}
}
}
cout << "Enter word: ";
getline(cin, input);
}
cout << "Quitting\n";
return;
}
void evaluateWord(__gnu_cxx::hash_map<string, details> &hashMap, ostream &outFile, string &word, int &numWords)
// REQ: valid output file
// MOD: hash map
// EFF: given a word and a hash map, indexes the word into the hash map, otherwise updates information about
// the number of appearances for a given word
{
while (word.substr(0, 1) == "'") // removes all ' at the beginning of the string
{
word = word.substr(1, word.length() - 1);
}
while (word.substr(word.length() - 1, 1) == "'") // removes all ' at the end of the string
{
word = word.substr(0, word.length() - 1);
}
string lower = lowerCase(word);
bool found = hashMap.count(lower);
if (found == 0) // place word in hash map
{
details tmp;
tmp.appear = word;
tmp.unique = true;
tmp.wordNum = numWords;
tmp.appearances = 1;
hashMap[lower] = tmp;
outFile << numWords << " ";
numWords++;
}
else // updates information about entry in hash map
{
if (hashMap[lower].unique && (hashMap[lower].appear != word))
{
hashMap[lower].unique = false;
}
hashMap[lower].appearances++;
outFile << hashMap[lower].wordNum << " ";
}
word = "";
return;
}
