--!A cross-platform build utility based on Lua
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
--     http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
-- Copyright (C) 2015-2020, TBOOX Open Source Group.
--
-- @author      ruki
-- @file        lib.lua
--

-- imports
import("private.tools.vstool")

-- extract the static library to object directory
function extract(self, libraryfile, objectdir)

    -- make the object directory first
    os.mkdir(objectdir)

    -- list object files
    local objectfiles = vstool.iorunv(self:program(), {"-nologo", "-list", libraryfile}, {envs = self:runenvs()})

    -- extrace all object files
    for _, objectfile in ipairs(objectfiles:split('\n')) do

        -- is object file?
        if objectfile:find("%.obj") then

            -- make the outputfile
            local outputfile = path.translate(format("%s\\%s", objectdir, path.filename(objectfile)))

            -- repeat? rename it
            if os.isfile(outputfile) then
                for i = 0, 10 do
                    outputfile = path.translate(format("%s\\%d_%s", objectdir, i, path.filename(objectfile)))
                    if not os.isfile(outputfile) then
                        break
                    end
                end
            end

            -- extract it
            vstool.runv(self:program(), {"-nologo", "-extract:" .. objectfile, "-out:" .. outputfile, libraryfile}, {envs = self:runenvs()})
        end
    end
end