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parse_desktop_file: rtrim lines before parsing (#1677)

This commit is contained in:
Haochen Tong 2017-05-24 18:22:13 -05:00 committed by Daniel Hahler
parent 27eba6c034
commit c1bcad5f5e
2 changed files with 13 additions and 13 deletions
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15
lib/menubar/menu_gen.lua
View File

@ -13,7 +13,6 @@ local utils = require("menubar.utils")
local icon_theme = require("menubar.icon_theme")
local pairs = pairs
local ipairs = ipairs
local string = string
local table = table
local menu_gen = {}
@ -75,16 +74,6 @@ local function get_category_name_and_usage_by_type(app_type)
end
end
--- Remove CR\LF newline from the end of the string.
-- @param s string to trim
local function trim(s)
if not s then return end
if string.byte(s, #s) == 13 then
return string.sub(s, 1, #s - 1)
end
return s
end
--- Generate an array of all visible menu entries.
-- @tparam function callback Will be fired when all menu entries were parsed
-- with the resulting list of menu entries as argument.
@ -120,8 +109,8 @@ function menu_gen.generate(callback)
end
end
if target_category then
local name = trim(entry.Name) or ""
local cmdline = trim(entry.cmdline) or ""
local name = utils.rtrim(entry.Name) or ""
local cmdline = utils.rtrim(entry.cmdline) or ""
local icon = entry.icon_path or nil
table.insert(result, { name = name,
cmdline = cmdline,

11
lib/menubar/utils.lua
View File

@ -119,6 +119,16 @@ local function get_icon_lookup_path()
return icon_lookup_path
end
--- Remove CR newline from the end of the string.
-- @param s string to trim
function utils.rtrim(s)
if not s then return end
if string.byte(s, #s) == 13 then
return string.sub(s, 1, #s - 1)
end
return s
end
--- Lookup an icon in different folders of the filesystem.
-- @tparam string icon_file Short or full name of the icon.
-- @treturn string|boolean Full name of the icon, or false on failure.
@ -173,6 +183,7 @@ function utils.parse_desktop_file(file)
-- Parse the .desktop file.
-- We are interested in [Desktop Entry] group only.
for line in io.lines(file) do
line = utils.rtrim(line)
if line:find("^%s*#") then
-- Skip comments.
(function() end)() -- I haven't found a nice way to silence luacheck here