example.cpp

/*
 * Diff Match and Patch
 * Copyright 2020 The diff-match-patch Authors.
 * https://github.com/google/diff-match-patch
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


/*
 * Functions for diff, match and patch.
 * Computes the difference between two texts to create a patch.
 * Applies the patch onto another text, allowing for errors.
 *
 * @author fraser@google.com (Neil Fraser)
 *
 * STL-only port by snhere@gmail.com (Sergey Nozhenko)
 * and some tweaks for std::string by leutloff@sundancer.oche.de (Christian Leutloff)
 * rebased on the current C# version and added constexpr-ness by guntersp0@gmail.com (Gunter Spöcker):
*/


#include "dmp/traits/dmp_clock_traits_chrono.h"
#include "dmp/traits/dmp_container_traits_std.h"
#include "dmp/traits/dmp_string_traits_wstring.h"

#include "dmp/diff_match_patch.h"

#include <string>
#include <iostream>

using namespace dmp;
using namespace std;

int main(int /*argc*/, char **/*argv*/) {
    diff_match_patch<all_traits<std_wstring_traits, chrono_clock_traits, std_container_traits>> dmp;

    wstring str1 = L"First string in diff";
    wstring str2 = L"Second string in diff";

    wstring strPatch = dmp.patch_toText(dmp.patch_make(str1, str2));
    auto    out(dmp.patch_apply(dmp.patch_fromText(strPatch), str1));
    wstring strResult(out.text2);

    // here, strResult will equal str2 above.
    std::wcout << strResult << "\n";
    return 0;
}