improve requires and add export

1 files changed, 57 insertions, 0 deletions

diff --git a/xmake/actions/require/impl/utils/get_requires.lua b/xmake/actions/require/impl/utils/get_requires.lua
new file mode 100644
index 000000000..179459c1b
--- /dev/null
+++ b/xmake/actions/require/impl/utils/get_requires.lua
@@ -0,0 +1,57 @@
+--!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        get_requires.lua
+--
+
+-- imports
+import("core.base.option")
+import("core.project.project")
+
+-- get requires and extra config
+function main(requires)
+
+    -- init requires
+    local requires_extra = nil
+    if not requires then
+        requires, requires_extra = project.requires_str()
+    end
+    if not requires or #requires == 0 then
+        return 
+    end
+
+    -- get extra info
+    local extra =  option.get("extra")
+    local extrainfo = nil
+    if extra then
+        local v, err = string.deserialize(extra)
+        if err then
+            raise(err)
+        else
+            extrainfo = v
+        end
+    end
+
+    -- force to use the given requires extra info
+    if extrainfo then
+        requires_extra = requires_extra or {}
+        for _, require_str in ipairs(requires) do
+            requires_extra[require_str] = extrainfo
+        end
+    end
+    return requires, requires_extra
+end