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path: root/xmake/rules/xcode/framework/xmake.lua
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--!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        xmake.lua
--

-- define rule: xcode framework
rule("xcode.framework")

    -- support add_files("Info.plist")
    add_deps("xcode.info_plist")

    -- we must set kind before target.on_load(), may we will use target in on_load()
    before_load(function (target)
        
        -- get framework directory
        local targetdir = target:targetdir()
        local bundledir = path.join(targetdir, target:basename() .. ".framework")
        target:data_set("xcode.bundle.rootdir", bundledir)

        -- get contents and resources directory
        local contentsdir = path.join(bundledir, "Versions", "A")
        local resourcesdir = path.join(bundledir, "Versions", "A", "Resources")
        target:data_set("xcode.bundle.contentsdir", contentsdir)
        target:data_set("xcode.bundle.resourcesdir", resourcesdir)

        -- set target info for framework 
        if not target:get("kind") then
            target:set("kind", "shared")
        end
        target:set("filename", target:basename())

        -- export frameworks for `add_deps()`
        target:data_set("inherit.links", false) -- disable to inherit links, @see rule("utils.inherit.links")
        target:add("frameworks", target:basename(), {interface = true})
        target:add("frameworkdirs", targetdir, {interface = true})
        target:add("includedirs", path.join(contentsdir, "Headers.tmp"), {interface = true})

        -- register clean files for `xmake clean`
        target:add("cleanfiles", bundledir)
    end)

    before_build(function (target)

        -- get framework directory
        local bundledir = path.absolute(target:data("xcode.bundle.rootdir"))
        local contentsdir = path.absolute(target:data("xcode.bundle.contentsdir"))
        local headersdir = path.join(contentsdir, "Headers.tmp", target:basename())

        -- copy header files to the framework directory
        local srcheaders, dstheaders = target:headerfiles(headersdir)
        if srcheaders and dstheaders then
            local i = 1
            for _, srcheader in ipairs(srcheaders) do
                local dstheader = dstheaders[i]
                if dstheader then
                    os.vcp(srcheader, dstheader)
                end
                i = i + 1
            end
        end
        if not os.isdir(headersdir) then
            os.mkdir(headersdir)
        end
    end)

    after_build(function (target, opt)

        -- imports
        import("core.base.option")
        import("core.theme.theme")
        import("core.project.depend")
        import("private.tools.codesign")

        -- get framework directory
        local bundledir = path.absolute(target:data("xcode.bundle.rootdir"))
        local contentsdir = target:data("xcode.bundle.contentsdir")
        local resourcesdir = target:data("xcode.bundle.resourcesdir")
        local headersdir = path.join(contentsdir, "Headers")

        -- need re-generate it?
        local dependfile = target:dependfile(bundledir)
        local dependinfo = option.get("rebuild") and {} or (depend.load(dependfile) or {})
        if not depend.is_changed(dependinfo, {lastmtime = os.mtime(dependfile)}) then
            return 
        end
     
        -- trace progress info
        cprintf("${color.build.progress}" .. theme.get("text.build.progress_format") .. ":${clear} ", opt.progress)
        if option.get("verbose") then
            cprint("${dim color.build.target}generating.xcode.$(mode) %s", path.filename(bundledir))
        else
            cprint("${color.build.target}generating.xcode.$(mode) %s", path.filename(bundledir))
        end

        -- copy target file
        if not os.isdir(contentsdir) then
            os.mkdir(contentsdir)
        end
        os.vcp(target:targetfile(), contentsdir)

        -- move header files
        os.tryrm(headersdir)
        os.mv(path.join(contentsdir, "Headers.tmp", target:basename()), headersdir)
        os.rm(path.join(contentsdir, "Headers.tmp"))

        -- copy resource files
        local srcfiles, dstfiles = target:installfiles(resourcesdir)
        if srcfiles and dstfiles then
            local i = 1
            for _, srcfile in ipairs(srcfiles) do
                local dstfile = dstfiles[i]
                if dstfile then
                    os.vcp(srcfile, dstfile)
                end
                i = i + 1
            end
        end
        if not os.isdir(resourcesdir) then
            os.mkdir(resourcesdir)
        end

        -- link Versions/Current -> Versions/A
        local oldir = os.cd(path.join(bundledir, "Versions"))
        os.tryrm("Current")
        os.ln("A", "Current")

        -- link bundledir/* -> Versions/Current/*
        local target_filename = path.filename(target:targetfile())
        os.cd(bundledir)
        os.tryrm("Headers")
        os.tryrm("Resources")
        os.tryrm(target_filename)
        os.ln("Versions/Current/Headers", "Headers")
        os.ln("Versions/Current/Resources", "Resources")
        os.ln(path.join("Versions/Current", target_filename), target_filename)
        os.cd(oldir)

        -- do codesign, only for dynamic library
        if target:targetkind() == "shared" then
            codesign(contentsdir, target:values("xcode.codesign_identity") or get_config("xcode_codesign_identity"))
        end

        -- update files and values to the dependent file
        dependinfo.files = {bundledir}
        depend.save(dependinfo, dependfile)
    end)

    on_install(function (target)
        local bundledir = path.absolute(target:data("xcode.bundle.rootdir"))
        local installdir = target:installdir()
        if not os.isdir(installdir) then
            os.mkdir(installdir)
        end
        os.vcp(bundledir, installdir)
    end)

    on_uninstall(function (target)
        local bundledir = path.absolute(target:data("xcode.bundle.rootdir"))
        local installdir = target:installdir()
        os.tryrm(path.join(installdir, path.filename(bundledir)))
    end)

    -- disable package
    on_package(function (target) end)