1 files changed, 34 insertions, 0 deletions
diff --git a/ftplugin/hunk.lua b/ftplugin/hunk.lua
new file mode 100644
index 0000000..c01e0a9
--- /dev/null
+++ b/ftplugin/hunk.lua
@@ -0,0 +1,34 @@
+-- TODO:         show current hunk in status line
+-- TODO:         incorporate more patchutils functionality
+
+-- FIXME https://www.reddit.com/r/neovim/comments/unwvkw/github_hkuptyrunesnvim_lua_test_framework_for/
+-- FIXME https://github.com/hkupty/runes.nvim
+
+pretty = require("pl.pretty")
+
+local M = {}
+
+-- Header object
+M.Header = {}
+
+function M.Header:parse(inline, lineNo)
+    local pat = "@@%s+%-(%d+),(%d+)%s+%+(%d+),(%d+)%s+@@%s*(.*)"
+    local of, oc, nf, nc, rem = inline:match(pat)
+
+    return {
+        line = lineNo,
+        oldFirst = tonumber(of),
+        oldCount = tonumber(oc),
+        newFirst = tonumber(nf),
+        newCount = tonumber(nc),
+        remainderLine = rem
+    }
+end
+
+-- Generate hunk header line
+function M.createHunkHeader(oldStart, oldLen, newStart, newLen, remaind)
+    return "@@ -" .. oldStart .. "," .. oldLen ..
+        " +" .. newStart .. "," .. newLen .. " @@ " .. remaind
+end
+
+return M