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#include <dtl/dtl.hpp>
#include "common.hpp"
#include <iostream>
#include <vector>
#include <string>
#include <cstdio>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif // HAVE_UNISTD_H
using namespace std;
using dtl::Diff;
typedef unsigned char elem;
typedef vector< elem > sequence;
static int create_byte_seq(const char *fs, sequence& seq);
static int create_byte_seq(const char *fs, sequence& seq)
{
int fd;
int siz;
elem buf[BUFSIZ];
if ((fd = open(fs, O_RDONLY)) == -1) {
cout << "Opening failed." << endl;
return -1;
}
while ((siz = read(fd, buf, sizeof(buf))) > 0) {
for (int i=0;i<siz;++i) {
seq.push_back(buf[i]);
}
}
if (siz < 0) {
close(fd);
cout << "Read error." << endl;
return -1;
}
close(fd);
return 0;
}
int main(int argc, char *argv[])
{
if (isFewArgs(argc)) {
cerr << "Too few arguments." << endl;
return -1;
}
string fs1(argv[1]);
string fs2(argv[2]);
sequence seq1;
sequence seq2;
create_byte_seq(fs1.c_str(), seq1);
create_byte_seq(fs2.c_str(), seq2);
Diff< elem, sequence > d(seq1, seq2);
d.compose();
if (d.getEditDistance() == 0) {
cout << fs1 << " is the same as " << fs2 << endl;
} else {
cout << fs1 << " is different from " << fs2 << endl;
}
return 0;
}
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