From e701b9cbef180ca6b222327abab7b92cdf661fe1 Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Sat, 17 Jun 2017 23:40:03 +0800
Subject: add find_toolname

---
 xmake/modules/lib/detect/find_toolname.lua | 102 +++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 xmake/modules/lib/detect/find_toolname.lua

(limited to 'xmake/modules/lib')

diff --git a/xmake/modules/lib/detect/find_toolname.lua b/xmake/modules/lib/detect/find_toolname.lua
new file mode 100644
index 000000000..1d8ce4d04
--- /dev/null
+++ b/xmake/modules/lib/detect/find_toolname.lua
@@ -0,0 +1,102 @@
+--!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        find_toolname.lua
+--
+
+-- find tool name from the given program 
+function _find(program)
+
+    -- get file name first
+    name = path.filename(program):lower()
+
+    -- remove arguments: " -xxx" or " --xxx"
+    name = name:gsub("%s%-+%w+", " ")
+
+    -- get the last name by ' ': xxx xxx toolname
+    local names = name:split("%s")
+    if #names > 0 then
+        name = names[#names]
+    end
+
+    -- remove suffix: ".xxx"
+    name = name:gsub("%.%w+", "")
+
+    -- get tool directory
+    local tooldir = path.join(os.programdir(), "modules", "detect", "tool")
+
+    -- find_toolname.lua exists? found
+    local toolname = name:gsub("[%+%-]", function (ch) return ifelse(ch == "+", "x", "_") end)
+    if os.isfile(path.join(tooldir, "find_" .. toolname .. ".lua")) then
+        return toolname
+    end
+
+    -- get the last valid name: xxx-xxx-toolname-5
+    local partnames = {}
+    for partname in name:gmatch("([%a%+]+)") do
+        table.insert(partnames, partname)
+    end
+    if #partnames > 0 then
+        name = partnames[#partnames]
+    end
+
+    -- find_toolname.lua exists? found
+    toolname = name:gsub("%+", "x")
+    if os.isfile(path.join(tooldir, "find_" .. toolname .. ".lua")) then
+        return toolname
+    end
+end
+
+-- find tool name
+--
+-- .e.g 
+-- "xcrun -sdk macosx clang":   clang
+-- "/usr/bin/arm-linux-gcc":    gcc
+-- "link.exe -lib":             link
+-- "gcc-5":                     gcc
+-- "arm-android-clang++":       clangxx
+-- "pkg-config":                pkg_config
+--
+-- @param program   the program path or name
+--
+-- @return          the tool name
+--
+function main(program)
+
+    -- init cache
+    local toolnames = _g._TOOLNAMES or {}
+
+    -- get it from the cache first
+    local toolname = toolnames[program]
+    if toolname ~= nil then
+        return ifelse(toolname, toolname, nil)
+    end
+
+    -- find the tool name
+    toolname = _find(program)
+    
+    -- save result to cache
+    toolnames[program] = ifelse(toolname, toolname, false)
+    _g._TOOLNAMES = toolnames
+
+    -- found?
+    return toolname
+end
-- 
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