nvim/lua/lsp/clangd.lua
-- local function switch_source_header(bufnr)
--   local method_name = 'textDocument/switchSourceHeader'
--   bufnr = util.validate_bufnr(bufnr)
--   local client = util.get_active_client_by_name(bufnr, 'clangd')
--   if not client then
--     return vim.notify(('method %s is not supported by any servers active on the current buffer'):format(method_name))
--   end
--   local params = vim.lsp.util.make_text_document_params(bufnr)
--   client.request(method_name, params, function(err, result)
--     if err then
--       error(tostring(err))
--     end
--     if not result then
--       vim.notify('corresponding file cannot be determined')
--       return
--     end
--     vim.cmd.edit(vim.uri_to_fname(result))
--   end, bufnr)
-- end

-- local function symbol_info()
--   local bufnr = vim.api.nvim_get_current_buf()
--   local clangd_client = util.get_active_client_by_name(bufnr, 'clangd')
--   if not clangd_client or not clangd_client.supports_method 'textDocument/symbolInfo' then
--     return vim.notify('Clangd client not found', vim.log.levels.ERROR)
--   end
--   local win = vim.api.nvim_get_current_win()
--   local params = vim.lsp.util.make_position_params(win, clangd_client.offset_encoding)
--   clangd_client.request('textDocument/symbolInfo', params, function(err, res)
--     if err or #res == 0 then
--       -- Clangd always returns an error, there is not reason to parse it
--       return
--     end
--     local container = string.format('container: %s', res[1].containerName) ---@type string
--     local name = string.format('name: %s', res[1].name) ---@type string
--     vim.lsp.util.open_floating_preview({ name, container }, '', {
--       height = 2,
--       width = math.max(string.len(name), string.len(container)),
--       focusable = false,
--       focus = false,
--       border = 'single',
--       title = 'Symbol Info',
--     })
--   end, bufnr)
-- end
return {
    cmd = { 'clangd' },
    filetypes = { 'c', 'cpp', 'objc', 'objcpp', 'cuda', 'proto' },
    root_markers = {
        ".git",
        '.clangd',
        '.clang-tidy',
        '.clang-format',
        'compile_commands.json',
        'compile_flags.txt',
        'configure.ac'
    },
    capabilities = {
        textDocument = {
            completion = {
                editsNearCursor = true,
            },
        },
        offsetEncoding = { 'utf-8', 'utf-16' },
    },
}
