85 lines
2.1 KiB
Lua
85 lines
2.1 KiB
Lua
local fn, vim = vim.fn, vim
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local fmt = string.format
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local function exclude(bufnr)
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return fn.buflisted(bufnr) == 0 or fn.getbufvar(bufnr, '&filetype') == 'qf'
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end
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local function get_head(path, tail)
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local result = fn.fnamemodify(path, ':p')
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for i = 1, #vim.split(tail, '/') do
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result = fn.fnamemodify(result, ':h')
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end
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return fn.fnamemodify(result, ':t')
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end
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local function unique_tail(buffers)
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local hist = {}
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local duplicate = false
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for _, buffer in ipairs(buffers) do
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if not hist[buffer.name] then
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hist[buffer.name] = 1
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elseif buffer.name ~= '' then
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hist[buffer.name] = hist[buffer.name] + 1
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end
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duplicate = duplicate or hist[buffer.name] > 1
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end
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if not duplicate then
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return
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end
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for _, buffer in ipairs(buffers) do
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if hist[buffer.name] > 1 then
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local parent = get_head(fn.bufname(buffer.bufnr), buffer.name)
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buffer.name = fmt('%s/%s', parent, buffer.name)
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end
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end
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unique_tail(buffers)
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end
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local function to_section(buffer)
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local flags = {}
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local item = buffer.name == '' and '[No Name]' or buffer.name
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if buffer.flags.modified then
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table.insert(flags, '[+]')
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end
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if not buffer.flags.modifiable then
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table.insert(flags, '[-]')
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end
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if buffer.flags.readonly then
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table.insert(flags, '[RO]')
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end
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flags = table.concat(flags)
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item = flags == '' and item or fmt('%s %s', item, flags)
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return {
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class = 'bufferline',
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item = fmt(' %s ', item),
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modified = buffer.flags.modified,
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current = buffer.current,
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}
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end
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local function get_buffers()
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local buffers = {}
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for nr = 1, fn.bufnr('$') do
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if not exclude(nr) then
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table.insert(buffers, {
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bufnr = nr,
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name = fn.fnamemodify(fn.bufname(nr), ':t'),
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current = nr == fn.bufnr('%'),
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flags = {
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modified = fn.getbufvar(nr, '&modified') == 1,
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modifiable = fn.getbufvar(nr, '&modifiable') == 1,
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readonly = fn.getbufvar(nr, '&readonly') == 1,
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},
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})
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end
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end
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unique_tail(buffers)
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return buffers
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end
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return {
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to_section = to_section,
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get_buffers = get_buffers,
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}
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