How do I fix my error of binding on line 74? #include <iostream> #include <fstre
ID: 3789423 • Letter: H
Question
How do I fix my error of binding on line 74?
#include <iostream>
#include <fstream>
#include <cctype>
#include <cstring>
#include <iomanip>
using namespace std;
#include "AvlTree.h"
class WordCount
{
public:
char *word;
int *lines;
int count;
int size;
bool operator<(const WordCount &rhs) const {return strcmp(word, rhs.word) < 0;}
bool operator!= (const WordCount &rhs) const {return strcmp(word, rhs.word) != 0;}
WordCount():lines(NULL), count(0), size(0) {word = new char[1]; word[0] = '';}
friend ostream& operator<< (ostream &os, const WordCount &rhs);
WordCount& operator= (const WordCount &rhs)
{
if(this == &rhs)
return *this;
delete[] word;
word = new char[strlen(rhs.word) + 1];
strcpy(word, rhs.word);
delete[] lines;
lines = new int[rhs.size];
for(int i = 0; i < rhs.count; i++)
lines[i] = rhs.lines[i];
count = rhs.count;
size = rhs.size;
return *this;
} // operator=
};
ostream& operator<< (ostream &os, const WordCount &rhs)
{
os << setw(18) << left << rhs.word << rhs.count << " ";
for(int i = 0; i < rhs.count - 1; i++)
os << rhs.lines[i] << ',';
os << rhs.lines[rhs.count - 1];
return os;
}
void readFile(const char *filename, AvlTree <WordCount> &tree)
{
int lineCount = 1;
char *ptr, *ptr2, line[10000];
WordCount word, word2;
word2.word = new char[10000];
ifstream inf(filename);
while(inf.getline(line, 10000))
{
for(ptr = line; *ptr && !isalpha(*ptr); ptr++);
while(*ptr)
{
for(ptr2 = ptr; isalpha(*ptr2); ptr2++)
*ptr2 = tolower(*ptr2);
char temp = *ptr2;
*ptr2 = '';
if(strlen(ptr) > 0)
{
strcpy(word2.word, ptr);
WordCount &tempWord = tree.find(word2);
if(tempWord.word[0] != '')
{
if(tempWord.count == tempWord.size)
{
int *tempLine = new int[tempWord.size * 2];
for(int i = 0; i < tempWord.count; i++)
tempLine[i] = tempWord.lines[i];
delete [] tempWord.lines;
tempWord.lines = tempLine;
tempWord.size *= 2;
} // if we need to resize the lines
tempWord.lines[tempWord.count++] = lineCount;
}
else // word not in tree
{
word.word = new char[strlen(ptr) + 1];
strcpy(word.word, ptr);
word.lines = new int[10];
word.count = 1;
word.size = 10;
word.lines[0] = lineCount;
tree.insert(word);
}
} // if a real word
*ptr2 = temp;
for(ptr = ptr2; *ptr && !isalpha(*ptr); ptr++);
} // while more in line
lineCount++;
} // while more lines
} // readFile()
int main(int argc, char** argv)
{
WordCount word;
AvlTree <WordCount> tree(word);
readFile(argv[1], tree);
tree.printTree();
return 0;
} // main())
Explanation / Answer
#include <iostream>
#include <fstream>
#include <cctype>
#include <cstring>
#include <iomanip>
using namespace std;
#include "AvlTree.h"
class WordCount
{
public:
char *word;
int *lines;
int count;
int size;
bool operator<(const WordCount &rhs) const {return strcmp(word, rhs.word) < 0;}
bool operator!= (const WordCount &rhs) const {return strcmp(word, rhs.word) != 0;}
WordCount():lines(NULL), count(0), size(0) {word = new char[1]; word[0] = '';}
friend ostream& operator<< (ostream &os, const WordCount &rhs);
WordCount& operator= (const WordCount &rhs)
{
if(this == &rhs)
return *this;
delete[] word;
word = new char[strlen(rhs.word) + 1];
strcpy(word, rhs.word);
delete[] lines;
lines = new int[rhs.size];
for(int i = 0; i < rhs.count; i++)
lines[i] = rhs.lines[i];
count = rhs.count;
size = rhs.size;
return *this;
} // operator=
};
ostream& operator<< (ostream &os, const WordCount &rhs)
{
os << setw(18) << left << rhs.word << rhs.count << " ";
for(int i = 0; i < rhs.count - 1; i++)
os << rhs.lines[i] << ',';
os << rhs.lines[rhs.count - 1];
return os;
}
void readFile(const char *filename, AvlTree <WordCount> &tree)
{
int lineCount = 1;
char *ptr, *ptr2, line[10000];
WordCount word, word2;
word2.word = new char[10000];
ifstream inf(filename);
while(inf.getline(line, 10000))
{
for(ptr = line; *ptr && !isalpha(*ptr); ptr++);
while(*ptr)
{
for(ptr2 = ptr; isalpha(*ptr2); ptr2++)
*ptr2 = tolower(*ptr2);
char temp = *ptr2;
*ptr2 = '';
if(strlen(ptr) > 0)
{
strcpy(word2.word, ptr);
WordCount &tempWord = tree.find(word2);
if(tempWord.word[0]!= '')
{
if(tempWord.count == tempWord.size)
{
int *tempLine = new int[tempWord.size * 2];
for(int i=0; i< tempWord.count; i++)
tempLine[i] = tempWord.lines[i];
delete[] tempWord.lines;
tempWord.lines = tempLine;
tempWord.size *= 2;
} // if we need to resize the lines
tempWord.lines[tempWord.count++] = lineCount;
}
else // word not in tree
{
word.word = new char[strlen(ptr) + 1];
strcpy(word.word, ptr);
word.lines = new int[10];
word.count = 1;
word.size = 10;
word.lines[0] = lineCount;
tree.insert(word);
}
} // if a real word
*ptr2 = temp;
for(ptr = ptr2; *ptr && !isalpha(*ptr); ptr++);
} // while more in line
lineCount++;
} // while more lines
} // readFile()
int main(int argc, char** argv)
{
WordCount word;
AvlTree <WordCount> tree(word);
readFile(argv[1], tree);
tree.printTree();
return 0;
} // main())
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