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feat: add support for diff and other filetypes

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This commit is contained in:
Barrett Ruth 2026-02-12 18:04:47 -05:00
parent 9a0b812f69
commit 3990014a93
Signed by: barrett
GPG key ID: A6C96C9349D2FC81
4 changed files with 40 additions and 4 deletions
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23
lua/diffs/parser.lua
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@ -151,6 +151,11 @@ function M.parse_buffer(bufnr)
local file_new_start = nil
---@type integer?
local file_new_count = nil
---@type integer?
local old_remaining = nil
---@type integer?
local new_remaining = nil
local is_unified_diff = false
local function flush_hunk()
if hunk_start and #hunk_lines > 0 then
@ -183,11 +188,15 @@ function M.parse_buffer(bufnr)
file_old_count = nil
file_new_start = nil
file_new_count = nil
old_remaining = nil
new_remaining = nil
end
for i, line in ipairs(lines) do
local filename = line:match('^[MADRCU%?!]%s+(.+)$') or line:match('^diff %-%-git a/.+ b/(.+)$')
local diff_git_file = line:match('^diff %-%-git a/.+ b/(.+)$')
local filename = line:match('^[MADRCU%?!]%s+(.+)$') or diff_git_file
if filename then
is_unified_diff = diff_git_file ~= nil
flush_hunk()
current_filename = filename
local cache_key = (repo_root or '') .. '\0' .. filename
@ -223,6 +232,8 @@ function M.parse_buffer(bufnr)
file_old_count = tonumber(hc) or 1
file_new_start = tonumber(hs2)
file_new_count = tonumber(hc2) or 1
old_remaining = file_old_count
new_remaining = file_new_count
end
else
local hs2, hc2 = line:match('%+(%d+),?(%d*) @@')
@ -243,6 +254,16 @@ function M.parse_buffer(bufnr)
local prefix = line:sub(1, 1)
if prefix == ' ' or prefix == '+' or prefix == '-' then
table.insert(hunk_lines, line)
if old_remaining and (prefix == ' ' or prefix == '-') then
old_remaining = old_remaining - 1
end
if new_remaining and (prefix == ' ' or prefix == '+') then
new_remaining = new_remaining - 1
end
elseif line == '' and is_unified_diff and old_remaining and old_remaining > 0 and new_remaining and new_remaining > 0 then
table.insert(hunk_lines, ' ')
old_remaining = old_remaining - 1
new_remaining = new_remaining - 1
elseif
line == ''
or line:match('^[MADRC%?!]%s+')