add language menu

1 files changed, 97 insertions, 0 deletions

diff --git a/xmake/core/language/menu.lua b/xmake/core/language/menu.lua
new file mode 100644
index 000000000..965d7b101
--- /dev/null
+++ b/xmake/core/language/menu.lua
@@ -0,0 +1,97 @@
+--!The Make-like Build Utility based on Lua
+--
+-- Licensed to the Apache Software Foundation (ASF) under one
+-- or more contributor license agreements.  See the NOTICE file
+-- distributed with this work for additional information
+-- regarding copyright ownership.  The ASF licenses this file
+-- to you 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 - 2017, TBOOX Open Source Group.
+--
+-- @author      ruki
+-- @file        menu.lua
+--
+
+-- define module
+local menu          = menu or {}
+
+-- load modules
+local os            = require("base/os")
+local path          = require("base/path")
+local utils         = require("base/utils")
+local table         = require("base/table")
+local language      = require("language/language")
+
+-- get the option menu for action: xmake config or global
+function menu.options(action)
+    
+    -- check
+    assert(action)
+
+    -- load all languages
+    local languages, errors = language.load()
+    if not languages then
+        os.raise(errors)
+    end
+
+    -- load and merge all language options
+    local exist     = {}
+    local results   = {}
+    for _, instance in pairs(languages) do
+
+        -- get menu
+        local menu = instance:menu()
+        if menu then
+
+            -- get the options for this action
+            local options = menu[action]
+            if options then
+
+                -- exists options?
+                local exists = false
+                for _, option in ipairs(options) do
+                    local name = option[2]
+                    if name and not exist[name] then
+                        exists = true
+                        break
+                    end
+                end
+
+                -- merge it and remove repeat if exists options
+                if exists then
+
+                    -- get the language option
+                    for _, option in ipairs(options) do
+
+                        -- merge it and remove repeat 
+                        local name = option[2]
+                        if name then
+                            if not exist[name] then
+                                table.insert(results, option)
+                                exist[name] = true
+                            end
+                        else
+                            table.insert(results, option)
+                        end
+                    end
+                end
+            end
+        end
+    end
+
+    -- ok?
+    return results
+end
+
+-- return module
+return menu