startgit

Static page generator for git repositories

git clone git://git.dimitrijedobrota.com/startgit.git

diff.cpp (2220B)

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