dtl/examples/patch.cpp

45 lines
789 B
C++

#include "common.hpp"
#include <cassert>
#include <dtl/dtl.hpp>
#include <iostream>
#include <vector>
using namespace std;
using dtl::Diff;
int main(int argc, char *argv[]) {
if (isFewArgs(argc)) {
cerr << "Too few arguments." << endl;
return -1;
}
typedef char elem;
typedef string sequence;
sequence A(argv[1]);
sequence B(argv[2]);
Diff<elem, sequence> d(A, B);
d.compose();
sequence s1(A);
sequence s2 = d.patch(s1);
d.composeUnifiedHunks();
sequence s3 = d.uniPatch(s1);
cout << "before:" << s1 << endl;
cout << "after :" << s2 << endl;
assert(B == s2);
cout << "patch succeeded" << endl;
cout << "before:" << s1 << endl;
cout << "after :" << s3 << endl;
assert(B == s3);
cout << "unipatch succeeded" << endl;
return 0;
}