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

15 using flag = git2wrap::diff_options::flag;

16 opts.flags() = flag::disable_pathspec_match | flag::ignore_submodules

17 | flag::include_typechange;

18

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

20 m_stats = m_diff.get_stats();

21 }

22

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

24 {

25 if (!m_deltas.empty()) {

26 return m_deltas;

27 }

28

29 m_diff.foreach(

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

31 );

32

33 for (auto& delta : m_deltas) {

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

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

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

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

38 }

39 }

40 }

41 return m_deltas;

42 }

43

44 int diff::file_cb(

45 const git_diff_delta* delta, float /* progress */, void* payload

46 )

47 {

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

49 crnt.m_deltas.emplace_back(delta);

50 return 0;

51 }

52

53 int diff::hunk_cb(

54 const git_diff_delta* /* delta */, const git_diff_hunk* hunk, void* payload

55 )

56 {

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

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

59 return 0;

60 }

61

62 int diff::line_cb(

63 const git_diff_delta* /* delta */,

64 const git_diff_hunk* /* hunk */,

65 const git_diff_line* line,

66 void* payload

67 )

68 {

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

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

71 return 0;

72 }

73

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

75 {

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

77 }

78

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

80 {

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

82 }

83

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

85 {

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

87 }

88

89 } // namespace startgit