Merge pull request #4834 from xmake-io/copyfiles

Improve copyfiles

xmake/core/base/private/match_copyfiles.lua

@@ -0,0 +1,157 @@
+--!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-present, TBOOX Open Source Group.
+--
+-- @author      ruki
+-- @file        match_copyfiles.lua
+--
+
+-- load modules
+local table = require("base/table")
+local utils = require("base/utils")
+local path  = require("base/path")
+local os    = require("base/os")
+
+-- match the copyfiles for instance
+-- e.g.
+--
+-- add_headerfiles
+-- add_configfiles
+-- add_installfiles
+-- add_extrafiles
+function match_copyfiles(instance, filetype, outputdir, opt)
+    opt = opt or {}
+
+    -- get copyfiles?
+    local copyfiles = opt.copyfiles or instance:get(filetype)
+    if not copyfiles then
+        return
+    end
+
+    -- get the extra information
+    local extrainfo = table.wrap(instance:extraconf(filetype))
+
+    -- get the source paths and destinate paths
+    local srcfiles = {}
+    local dstfiles = {}
+    local fileinfos = {}
+    local srcfiles_removed = {}
+    local removed_count = 0
+    for _, copyfile in ipairs(table.wrap(copyfiles)) do
+
+        -- mark as removed files?
+        local removed = false
+        local prefix = "__remove_"
+        if copyfile:startswith(prefix) then
+            copyfile = copyfile:sub(#prefix + 1)
+            removed = true
+        end
+
+        -- get the root directory
+        local rootdir, count = copyfile:gsub("|.*$", ""):gsub("%(.*%)$", "")
+        if count == 0 then
+            rootdir = nil
+        end
+        if rootdir and rootdir:trim() == "" then
+            rootdir = "."
+        end
+
+        -- remove '(' and ')'
+        local srcpaths = copyfile:gsub("[%(%)]", "")
+        if srcpaths then
+
+            -- get the source paths
+            srcpaths = os.match(srcpaths)
+            if srcpaths and #srcpaths > 0 then
+                if removed then
+                    removed_count = removed_count + #srcpaths
+                    table.join2(srcfiles_removed, srcpaths)
+                else
+
+                    -- add the source copied files
+                    table.join2(srcfiles, srcpaths)
+
+                    -- the copied directory exists?
+                    if outputdir then
+
+                        -- get the file info
+                        local fileinfo = extrainfo[copyfile] or {}
+
+                        -- get the prefix directory
+                        local prefixdir = fileinfo.prefixdir
+                        if fileinfo.rootdir then
+                            rootdir = fileinfo.rootdir
+                        end
+
+                        -- add the destinate copied files
+                        for _, srcpath in ipairs(srcpaths) do
+
+                            -- get the destinate directory
+                            local dstdir = outputdir
+                            if prefixdir then
+                                dstdir = path.join(dstdir, prefixdir)
+                            end
+
+                            -- the destinate file
+                            local dstfile = nil
+                            if rootdir then
+                                dstfile = path.absolute(path.relative(srcpath, rootdir), dstdir)
+                            else
+                                dstfile = path.join(dstdir, path.filename(srcpath))
+                            end
+                            assert(dstfile)
+
+                            -- modify filename
+                            if fileinfo.filename then
+                                dstfile = path.join(path.directory(dstfile), fileinfo.filename)
+                            end
+
+                            -- filter the destinate file path
+                            if opt.pathfilter then
+                                dstfile = opt.pathfilter(dstfile, fileinfo)
+                            end
+
+                            -- add it
+                            table.insert(dstfiles, dstfile)
+                            table.insert(fileinfos, fileinfo)
+                        end
+                    end
+                end
+            end
+        end
+    end
+
+    -- remove all srcfiles which need be removed
+    if removed_count > 0 then
+        table.remove_if(srcfiles, function (i, srcfile)
+            for _, removed_file in ipairs(srcfiles_removed) do
+                local pattern = path.translate((removed_file:gsub("|.*$", "")))
+                if pattern:sub(1, 2):find('%.[/\\]') then
+                    pattern = pattern:sub(3)
+                end
+                pattern = path.pattern(pattern)
+                if srcfile:match(pattern) then
+                    if i <= #dstfiles then
+                        table.remove(dstfiles, i)
+                    end
+                    return true
+                end
+            end
+        end)
+    end
+    return srcfiles, dstfiles, fileinfos
+end
+
+return match_copyfiles