diff options
Diffstat (limited to 'runtime/lua/man.lua')
| -rw-r--r-- | runtime/lua/man.lua | 54 |
1 files changed, 32 insertions, 22 deletions
diff --git a/runtime/lua/man.lua b/runtime/lua/man.lua index 61a9575312..f420cc0d67 100644 --- a/runtime/lua/man.lua +++ b/runtime/lua/man.lua @@ -328,7 +328,8 @@ local function get_path(sect, name, silent) -- find any that match the specified name ---@param v string local namematches = vim.tbl_filter(function(v) - return fn.fnamemodify(v, ':t'):match(name) + local tail = fn.fnamemodify(v, ':t') + return string.find(tail, name, 1, true) end, results) or {} local sectmatches = {} @@ -372,18 +373,18 @@ local function extract_sect_and_name_ref(ref) if not name then man_error('manpage reference cannot contain only parentheses: ' .. ref) end - return '', spaces_to_underscores(name) + return '', name end local parts = vim.split(ref1, '(', { plain = true }) -- see ':Man 3X curses' on why tolower. -- TODO(nhooyr) Not sure if this is portable across OSs -- but I have not seen a single uppercase section. local sect = vim.split(parts[2] or '', ')', { plain = true })[1]:lower() - local name = spaces_to_underscores(parts[1]) + local name = parts[1] return sect, name end --- verify_exists attempts to find the path to a manpage +-- search_for_path attempts to find the path to a manpage -- based on the passed section and name. -- -- 1. If manpage could not be found with the given sect and name, @@ -391,10 +392,10 @@ end -- 2. If it still could not be found, then we try again without a section. -- 3. If still not found but $MANSECT is set, then we try again with $MANSECT -- unset. +-- 4. If a path still wasn't found, return nil. ---@param sect string? ---@param name string ----@param silent boolean? -local function verify_exists(sect, name, silent) +function M.search_for_path(sect, name) if sect and sect ~= '' then local ret = get_path(sect, name, true) if ret then @@ -430,10 +431,8 @@ local function verify_exists(sect, name, silent) end end - if not silent then - -- finally, if that didn't work, there is no hope - man_error('no manual entry for ' .. name) - end + -- finally, if that didn't work, there is no hope + return nil end local EXT_RE = vim.regex([[\.\%([glx]z\|bz2\|lzma\|Z\)$]]) @@ -585,8 +584,8 @@ local function get_paths(sect, name) ---@type string[] local paths = fn.globpath(mandirs, 'man?/' .. name .. '*.' .. sect .. '*', false, true) - -- Prioritize the result from verify_exists as it obeys b:man_default_sects. - local first = verify_exists(sect, name, true) + -- Prioritize the result from search_for_path as it obeys b:man_default_sects. + local first = M.search_for_path(sect, name) if first then paths = move_elem_to_head(paths, first) end @@ -728,10 +727,6 @@ end ---@param count integer ---@param args string[] function M.open_page(count, smods, args) - if #args > 2 then - man_error('too many arguments') - end - local ref ---@type string if #args == 0 then ref = vim.bo.filetype == 'man' and fn.expand('<cWORD>') or fn.expand('<cword>') @@ -743,9 +738,14 @@ function M.open_page(count, smods, args) else -- Combine the name and sect into a manpage reference so that all -- verification/extraction can be kept in a single function. - -- If args[2] is a reference as well, that is fine because it is the only - -- reference that will match. - ref = ('%s(%s)'):format(args[2], args[1]) + if tonumber(args[1]) then + local sect = args[1] + table.remove(args, 1) + local name = table.concat(args, ' ') + ref = ('%s(%s)'):format(name, sect) + else + ref = table.concat(args, ' ') + end end local sect, name = extract_sect_and_name_ref(ref) @@ -753,9 +753,16 @@ function M.open_page(count, smods, args) sect = tostring(count) end - local path = verify_exists(sect, name) - sect, name = extract_sect_and_name_path(path) + -- Try both spaces and underscores, use the first that exists. + local path = M.search_for_path(sect, name) + if path == nil then + path = M.search_for_path(sect, spaces_to_underscores(name)) + if path == nil then + man_error('no manual entry for ' .. name) + end + end + sect, name = extract_sect_and_name_path(path) local buf = fn.bufnr() local save_tfu = vim.bo[buf].tagfunc vim.bo[buf].tagfunc = "v:lua.require'man'.goto_tag" @@ -786,7 +793,10 @@ end -- Called when a man:// buffer is opened. function M.read_page(ref) local sect, name = extract_sect_and_name_ref(ref) - local path = verify_exists(sect, name) + local path = M.search_for_path(sect, name) + if path == nil then + man_error('no manual entry for ' .. name) + end sect = extract_sect_and_name_path(path) local page = get_page(path) vim.b.man_sect = sect |