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--!A cross-platform 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 - 2018, TBOOX Open Source Group.
--
-- @author ruki
-- @file semver.lua
--
-- define module: semver
local semver = semver or {}
local _instance = _instance or {}
-- load modules
local os = require("base/os")
local string = require("base/string")
-- get the version info
function _instance:get(name)
-- get it from info first
local value = self._INFO[name]
if value ~= nil then
return value
end
end
-- get the major version
function _instance:major()
return self:get("major")
end
-- get the minor version
function _instance:minor()
return self:get("minor")
end
-- get the patch version
function _instance:patch()
return self:get("patch")
end
-- get the raw version string
function _instance:rawstr()
return self:get("raw")
end
-- satisfies the given semantic version(.e.g '> 1.0 < 2.0', '~1.5')?
function _instance:satisfies(version)
return semver.satisfies(self:rawstr(), version)
end
-- is in the given version range, [version1, version2]?
function _instance:at(version1, version2)
return self:ge(version1) and self:le(version2)
end
-- v1 == v2 (str/ver)?
function _instance:eq(version)
if type(version) == "string" then
return semver.compare(self:rawstr(), version) == 0
elseif type(version) == "table" then
return semver.compare(self:rawstr(), version:rawstr()) == 0
end
end
-- v1 < v2 (str/ver)?
function _instance:lt(version)
if type(version) == "string" then
return semver.compare(self:rawstr(), version) < 0
elseif type(version) == "table" then
return semver.compare(self:rawstr(), version:rawstr()) < 0
end
end
-- v1 <= v2 (str/ver)?
function _instance:le(version)
if type(version) == "string" then
return semver.compare(self:rawstr(), version) <= 0
elseif type(version) == "table" then
return semver.compare(self:rawstr(), version:rawstr()) <= 0
end
end
-- v1 > v2 (str/ver)?
function _instance:gt(version)
return not self:le(version)
end
-- v1 >= v2 (str/ver)?
function _instance:ge(version)
return not self:lt(version)
end
-- v1 == v2?
function _instance:__eq(version)
return self:eq(version)
end
-- v1 < v2?
function _instance:__lt(version)
return self:lt(version)
end
-- v1 <= v2?
function _instance:__le(version)
return self:le(version)
end
-- get the raw version string
function _instance:__tostring()
return self:rawstr()
end
-- new an instance
function semver.new(version)
-- parse version first
local info, errors = semver.parse(version)
if not info then
return nil, errors
end
-- new an instance
local instance = table.inherit(_instance)
-- init instance
instance._INFO = info
-- ok
return instance
end
-- return module: semver
return semver
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