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|
--!The Automatic Cross-platform Build Tool
--
-- XMake is free software; you can redistribute it and/or modify
-- it under the terms of the GNU Lesser General Public License as published by
-- the Free Software Foundation; either version 2.1 of the License, or
-- (at your option) any later version.
--
-- XMake is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU Lesser General Public License for more details.
--
-- You should have received a copy of the GNU Lesser General Public License
-- along with XMake;
-- If not, see <a href="http://www.gnu.org/licenses/"> http://www.gnu.org/licenses/</a>
--
-- Copyright (C) 2009 - 2015, ruki All rights reserved.
--
-- @author ruki
-- @file tools.lua
--
-- define module: tools
local tools = tools or {}
-- load modules
local os = require("base/os")
local path = require("base/path")
local utils = require("base/utils")
local string = require("base/string")
local platform = require("platform/platform")
-- match the tool name
function tools._match(name, toolname)
-- match full? ok
if name == toolname then return 100 end
-- match the last word? ok
if name:find(toolname .. "$") then return 80 end
-- match the partial word? ok
if name:find("%-" .. toolname) then return 60 end
-- contains it? ok
if name:find(toolname, 1, true) then return 30 end
-- not matched
return 0
end
-- find tool from the given root directory and name
function tools._find_from(root, name)
-- attempt to get it directly first
local filepath = string.format("%s/%s.lua", root, name)
if os.isfile(filepath) then
return filepath
end
-- make the lower name
name = name:lower()
-- get all tool files
local file_ok = nil
local score_maxn = 0
local files = os.match(string.format("%s/*.lua", root))
for _, file in ipairs(files) do
-- the tool name
local toolname = path.basename(file)
-- found it?
if toolname and toolname ~= "tools" then
-- match score
local score = tools._match(name, toolname:lower())
-- ok?
if score >= 100 then return file end
-- select the file with the max score
if score > score_maxn then
file_ok = file
score_maxn = score
end
end
end
-- ok?
return file_ok
end
-- probe it's absolute path if exists from the given tool name and root directory
function tools._probe(root, name)
-- check
assert(root and name)
-- make the tool path
local toolpath = string.format("%s/%s", root, name)
toolpath = path.translate(toolpath)
-- the tool exists? ok
if toolpath and os.isfile(toolpath) then
return toolpath
end
end
-- find tool from the given name and directory (optional)
function tools.find(name, root)
-- check
assert(name)
-- init filename
local filepath = nil
-- only find it from this directory if the given directory exists
if root then return tools._find_from(root, name) end
-- attempt to find it from the current platform directory first
if not filepath then filepath = tools._find_from(platform.directory() .. "/tools", name) end
-- attempt to find it from the script directory
if not filepath then filepath = tools._find_from(xmake._SCRIPTS_DIR .. "/tools", name) end
-- ok?
return filepath
end
-- load tool from the given name and directory (optional)
function tools.load(name, root)
-- check
assert(name)
-- get it directly from cache dirst
tools._TOOLS = tools._TOOLS or {}
if tools._TOOLS[name] then
return tools._TOOLS[name]
end
-- find the tool file path
local toolpath = tools.find(name, root)
-- not exists?
if not toolpath or not os.isfile(toolpath) then
return
end
-- load script
local script, errors = loadfile(toolpath)
if script then
-- load tool
local tool = script()
-- init tool
if tool and tool.init then
tool:init(name)
end
-- save tool to the cache
tools._TOOLS[name] = tool
-- ok?
return tool
else
utils.error(errors)
utils.error("load %s failed!", toolpath)
assert(false)
end
end
-- get the given tool from the current platform
function tools.get(kind)
-- get the tool name
local toolname = platform.tool(kind)
if not toolname then
utils.error("cannot get tool name for %s", kind)
return
end
-- load it
return tools.load(toolname)
end
-- probe it's absolute path if exists from the given tool name
function tools.probe(name, dirs)
-- check
assert(name)
-- attempt to run it directly first
if os.execute(string.format("%s > %s 2>&1", name, xmake._NULDEV)) ~= 0x7f00 then
return name
end
-- attempt to get it from the given directories
if dirs then
for _, dir in ipairs(utils.wrap(dirs)) do
-- probe it
local toolpath = tools._probe(dir, name)
-- ok?
if toolpath and os.execute(string.format("%s > %s 2>&1", toolpath, xmake._NULDEV)) ~= 0x7f00 then
return toolpath
end
end
end
end
-- return module: tools
return tools
|
