dtl/examples/patch.cpp
2024-06-03 09:59:35 -05:00

38 lines
761 B
C++

#include "common.hpp"
using dtl::Diff;
int main(int argc, char *argv[]) {
if (isFewArgs(argc)) {
std::cerr << "Too few arguments." << std::endl;
return -1;
}
typedef char elem;
typedef std::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);
std::cout << "before:" << s1 << std::endl;
std::cout << "after :" << s2 << std::endl;
assert(B == s2);
std::cout << "patch succeeded" << std::endl;
std::cout << "before:" << s1 << std::endl;
std::cout << "after :" << s3 << std::endl;
assert(B == s3);
std::cout << "unipatch succeeded" << std::endl;
return 0;
}