startgitStatic page generator for git repositories |
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diff.cpp (2220B)
1 #include "diff.hpp" 2 3 namespace startgit 4 { 5 6 diff::diff(const git2wrap::commit& cmmt) 7 : m_diff(nullptr, nullptr) 8 , m_stats(nullptr) 9 { 10 const auto ptree = cmmt.get_parentcount() > 0 11 ? cmmt.get_parent().get_tree() 12 : git2wrap::tree(nullptr, nullptr); 13 14 git2wrap::diff_options opts; 15 git_diff_init_options(&opts, GIT_DIFF_OPTIONS_VERSION); 16 opts.flags = GIT_DIFF_DISABLE_PATHSPEC_MATCH | GIT_DIFF_IGNORE_SUBMODULES 17 | GIT_DIFF_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 for (auto& delta : m_deltas) { 33 for (const auto& hunk : delta.get_hunks()) { 34 for (const auto& line : hunk.get_lines()) { 35 delta.m_adds += static_cast<uint32_t>(line.is_add()); 36 delta.m_dels += static_cast<uint32_t>(line.is_del()); 37 } 38 } 39 } 40 41 return m_deltas; 42 } 43 44 int diff::file_cb(const git_diff_delta* delta, 45 float /* progress */, 46 void* payload) 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(const git_diff_delta* /* delta */, 54 const git_diff_hunk* hunk, 55 void* payload) 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(const git_diff_delta* /* delta */, 63 const git_diff_hunk* /* hunk */, 64 const git_diff_line* line, 65 void* payload) 66 { 67 diff& crnt = *reinterpret_cast<diff*>(payload); // NOLINT 68 crnt.m_deltas.back().m_hunks.back().m_lines.emplace_back(line); 69 return 0; 70 } 71 72 std::string diff::get_files_changed() const 73 { 74 return std::to_string(m_stats.get_files_changed()); 75 } 76 77 std::string diff::get_insertions() const 78 { 79 return std::to_string(m_stats.get_insertions()); 80 } 81 82 std::string diff::get_deletions() const 83 { 84 return std::to_string(m_stats.get_deletions()); 85 } 86 87 } // namespace startgit