startgit

0 #include "diff.hpp"

1

2 namespace startgit

3 {

4

5 diff::diff(const git2wrap::commit& cmmt)

6 : m_diff(nullptr, nullptr)

7 , m_stats(nullptr)

8 {

9 const auto ptree = cmmt.get_parentcount() > 0

10 ? cmmt.get_parent().get_tree()

11 : git2wrap::tree(nullptr, nullptr);

12

13 git2wrap::diff_options opts;

14 git_diff_init_options(&opts, GIT_DIFF_OPTIONS_VERSION);

15 opts.flags = GIT_DIFF_DISABLE_PATHSPEC_MATCH | GIT_DIFF_IGNORE_SUBMODULES

16 | GIT_DIFF_INCLUDE_TYPECHANGE;

17

18 m_diff = git2wrap::diff::tree_to_tree(ptree, cmmt.get_tree(), &opts);

19 m_stats = m_diff.get_stats();

20 }

21

22 const std::vector<delta>& diff::get_deltas() const

23 {

24 if (!m_deltas.empty()) {

25 return m_deltas;

26 }

27

28 m_diff.foreach(

29 file_cb, nullptr, hunk_cb, line_cb, const_cast<diff*>(this)); // NOLINT

30

31 for (auto& delta : m_deltas) {

32 for (const auto& hunk : delta.get_hunks()) {

33 for (const auto& line : hunk.get_lines()) {

34 delta.m_adds += static_cast<uint32_t>(line.is_add());

35 delta.m_dels += static_cast<uint32_t>(line.is_del());

36 }

37 }

38 }

39

40 return m_deltas;

41 }

42

43 int diff::file_cb(const git_diff_delta* delta,

44 float /* progress */,

45 void* payload)

46 {

47 diff& crnt = *reinterpret_cast<diff*>(payload); // NOLINT

48 crnt.m_deltas.emplace_back(delta);

49 return 0;

50 }

51

52 int diff::hunk_cb(const git_diff_delta* /* delta */,

53 const git_diff_hunk* hunk,

54 void* payload)

55 {

56 diff& crnt = *reinterpret_cast<diff*>(payload); // NOLINT

57 crnt.m_deltas.back().m_hunks.emplace_back(hunk);

58 return 0;

59 }

60

61 int diff::line_cb(const git_diff_delta* /* delta */,

62 const git_diff_hunk* /* hunk */,

63 const git_diff_line* line,

64 void* payload)

65 {

66 diff& crnt = *reinterpret_cast<diff*>(payload); // NOLINT

67 crnt.m_deltas.back().m_hunks.back().m_lines.emplace_back(line);

68 return 0;

69 }

70

71 std::string diff::get_files_changed() const

72 {

73 return std::to_string(m_stats.get_files_changed());

74 }

75

76 std::string diff::get_insertions() const

77 {

78 return std::to_string(m_stats.get_insertions());

79 }

80

81 std::string diff::get_deletions() const

82 {

83 return std::to_string(m_stats.get_deletions());

84 }

85

86 } // namespace startgit