WordTwist/remove.cc at main · marcleblanc2/WordTwist · GitHub

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/*

 The purpose of this program is to remove a word from the dictionary.csv file.

*/
#include <iostream>
#include <fstream>
#include <string>
#include <set>
using namespace std;

void loadDictionary ( set<string>& dictionary, const string& filename );
void writeDictionary ( set<string>& dictionary, const string& filename );
void removeFromDictionary ( set<string>& dictionary );

int main() {

	const string filename = "dictionary.csv";
	set<string> dictionary;

	loadDictionary ( dictionary, filename );

	removeFromDictionary ( dictionary );

	writeDictionary ( dictionary, filename );

	return 0;
}

void loadDictionary ( set<string>& dictionary, const string& filename ) {

	ifstream inFile;
	inFile.open( filename.c_str() );
	if ( ! inFile.good() ) {
		cerr << " > Error: Failed to open " << filename << endl;
		return;
	}

	string buffer;
	string word;

	do {

		inFile >> buffer;

		for ( unsigned int i = 0; i < buffer.size(); i++ ) {

			if ( buffer[i] >= 'A' && buffer[i] <= 'Z' ) {

				buffer[i] += 32;
				word += buffer[i];

			} else if ( buffer[i] >= 'a' && buffer[i] <= 'z' ) {

				word += buffer[i];

			} else if ( buffer[i] == ',' ) {

				dictionary.insert( word );
				word = "";

			}
		}

		dictionary.insert( word );
		word = "";

	} while ( ! inFile.eof() );

	inFile.close();

}

void writeDictionary ( set<string>& dictionary, const string& filename ) {

	ofstream outfile;
	outfile.open( filename.c_str() );
	if ( ! outfile.good() ) {
		cerr << " > Error: Failed to open " << filename << ". " << endl;
		exit(3);
	}

	for ( set<string>::iterator iter = dictionary.begin(); iter != dictionary.end(); iter++ ) {

		outfile << endl;
		for ( unsigned int i = 3; i < iter->size(); i++ ) {
			outfile << ",,";
		}
		outfile << *iter;

	}

	outfile.close();
}

void removeFromDictionary ( set<string>& dictionary ) {

	string target = "";

	while ( true ) {

		cout << "Enter word to remove: ";
		cin >> target;

		if ( target == "0" ) {

			return;
		}

		set<string>::iterator iter = dictionary.find( target );

		if ( iter == dictionary.end() ) {

			cout << " > " << target	<< " not found in dictionary. " << endl;
			continue;
		}

		cout << "Are you sure you want to remove '" << target << "'?: ";
		char answer;
		cin >> answer;

		if ( answer == 'y' || answer == 'Y' ) {

			dictionary.erase( iter );

		}


	} // end while ( target != "0" )

} // end removeFromDictionary