From aa6cba4025f0a255e24072153c6c55f273b8b7eb Mon Sep 17 00:00:00 2001
From: 夕伽 <xigalto@qq.com>
Date: Tue, 4 Sep 2018 11:29:24 +0800
Subject: add windows mfc rule useage:

target("test")
    add_files("*.cpp")
    add_files("*.rc")
    -- use sharedmfc
    add_rules("win.sdk.mfcapp.shared")
    -- or add_rules("win.sdk.mfcapp.static") to use staticmfc
target_end()
---
 xmake/rules/winsdk/xmake.lua | 120 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)

diff --git a/xmake/rules/winsdk/xmake.lua b/xmake/rules/winsdk/xmake.lua
index 9e389de36..2ae7f7955 100644
--- a/xmake/rules/winsdk/xmake.lua
+++ b/xmake/rules/winsdk/xmake.lua
@@ -22,6 +22,69 @@
 -- @file        xmake.lua
 --
 
+-- remove exists md or mt
+function _rule_remove_mt_md_flags(target, flagsname)
+    local flags = target:get(flagsname)
+    if type(flags) == "table" then
+        for key, flag in pairs(flags) do
+            flag = flag:lower()
+            if flag:find("[/%-]mt") or flag:find("[/%-]md") then
+                flags[key] = nil
+            end
+        end
+    elseif type(flags) == "string" then
+        local flag = flags:lower()
+        if flag:find("[/%-]mt") or flag:find("[/%-]md") then
+            flags = {}
+        end
+    end
+    target:set(flagsname, flags)
+end
+
+-- remove exists settings
+function _rule_remove_exists_flags(target)
+    local ldflags = target:get("ldflags")
+    for key, ldflag in pairs(ldflags) do
+        ldflag = ldflag:lower()
+        if ldflag:find("[/%-]subsystem:") then
+            ldflags[key] = nil
+            break
+        end
+    end
+    target:set("ldflags", ldflags)
+    
+    -- remove defines /DMT /DMTd /DMD /DMDd
+    local defines = target:get("defines")
+    for key, define in pairs(defines) do
+        define = define:lower()
+        if define:find("[/%-]dmt") or define:find("[/%-]dmd") then
+            defines[key] = nil
+        end
+    end
+    target:set("defines", defines)
+    
+    -- remove c /MD,/MT
+    _rule_remove_mt_md_flags(target, "cflags")
+    
+    -- remove c,cpp /MD,/MT
+    _rule_remove_mt_md_flags(target, "cxflags")
+    
+    -- remove cpp /MD,/MT
+    _rule_remove_mt_md_flags(target, "cxxflags")
+end
+
+-- check unicode
+function _rule_check_is_unicode(target)
+    local defines = target:get("defines")
+    for key, define in pairs(defines) do
+        define = define:lower()
+        if define:find("unicode") or define:find("_unicode") then
+            return true
+        end
+    end
+    return false
+end
+
 -- define rule: application
 rule("win.sdk.application")
 
@@ -53,3 +116,60 @@ rule("win.sdk.application")
         target:add("links", "cfgmgr32", "comdlg32", "setupapi", "strsafe", "shlwapi")
     end)
 
+-- define rule: sharedmfcapp
+rule("win.sdk.mfcapp.shared")
+
+    -- save local functions
+    local remove_exists_flags = _rule_remove_exists_flags
+    local check_is_unicode = _rule_check_is_unicode
+
+    -- after load
+    after_load(function (target)
+
+        -- set kind: binary
+        target:set("kind", "binary")
+
+        -- remove some exists flags
+        remove_exists_flags(target)
+
+        -- add flags
+        target:add("ldflags", "-subsystem:windows", {force = true})
+        target:add("ldflags", ifelse(check_is_unicode(target), "-entry:wWinMainCRTStartup", "-entry:WinMainCRTStartup"), {force = true})
+
+        -- set runtimelibrary
+        target:add("cxflags", ifelse(is_mode("debug"), "-MDd", "-MD"))
+        target:add("defines", "AFX", "_AFXDLL")
+
+        -- add mfc flags
+        target:values_set("project.vs.mfc", true)
+    end)
+
+
+-- define rule: staticmfcapp
+rule("win.sdk.mfcapp.static")
+
+    -- save local functions
+    local remove_exists_flags = _rule_remove_exists_flags
+    local check_is_unicode = _rule_check_is_unicode
+
+    -- after load
+    after_load(function (target)
+
+        -- set kind: binary
+        target:set("kind", "binary")
+
+        -- remove some exists flags
+        remove_exists_flags(target)
+
+        -- add flags
+        target:add("ldflags", "-subsystem:windows", {force = true})
+        target:add("ldflags", "-force", {force = true})
+        target:add("ldflags", ifelse(check_is_unicode(target), "-entry:wWinMainCRTStartup", "-entry:WinMainCRTStartup"), {force = true})
+
+        -- set runtimelibrary
+        target:add("cxflags", ifelse(is_mode("debug"), "-MTd", "-MT"))
+
+        -- add mfc flags
+        target:values_set("project.vs.mfc", true)
+    end)
+
-- 
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