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|
--!A cross-platform build utility based on Lua
--
-- Licensed 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-present, 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)
local value = self._INFO[name]
if value ~= nil then
return value
end
end
-- get the major version, e.g. v{major}.{minor}.{patch}
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 build version, e.g. v1.0.1+{build}
function _instance:build()
return self:get("build")
end
-- get the prerelease version, e.g. v1.0.1-{prerelease}
function _instance:prerelease()
return self:get("prerelease")
end
-- get the raw version string
function _instance:rawstr()
return self:get("raw")
end
-- get the short version string
function _instance:shortstr()
local str = self:major()
if self:minor() then
str = str .. "." .. self:minor()
end
if self:patch() then
str = str .. "." .. self:patch()
end
return str
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
-- add string compatible interface, string.sub
function _instance:sub(...)
return self:rawstr():sub(...)
end
-- add string compatible interface, string.gsub
function _instance:gsub(...)
return self:rawstr():gsub(...)
end
-- add string compatible interface, string.split
function _instance:split(...)
return self:rawstr():split(...)
end
-- add string compatible interface, string.startswith
function _instance:startswith(...)
return self:rawstr():startswith(...)
end
-- add string compatible interface, string.endswith
function _instance:endswith(...)
return self:rawstr():endswith(...)
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)
if type(self) == "string" then
return version:eq(self)
else
return self:eq(version)
end
end
-- v1 < v2?
function _instance:__lt(version)
if type(self) == "string" then
return version:gt(self)
else
return self:lt(version)
end
end
-- v1 <= v2?
function _instance:__le(version)
if type(self) == "string" then
return version:ge(self)
else
return self:le(version)
end
end
-- get the raw version string
function _instance:__tostring()
return self:rawstr()
end
-- add string compatible interface, e.g. version .. str
function _instance.__concat(op1, op2)
if type(op1) == "string" then
return op1 .. op2:rawstr()
elseif type(op2) == "string" then
return op1:rawstr() .. op2
else
return op1:rawstr() .. op2:rawstr()
end
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)
instance._INFO = info
return instance
end
-- try to match valid version from string
function semver.match(str, pos, pattern)
local patterns = pattern or {"%d+[.]%d+[-+.%w]*", "%d+[.]%d+[.]%d+", "%d+[.]%d+"}
for _, pattern in ipairs(table.wrap(patterns)) do
local version_str = str:match(pattern, pos)
if version_str then
local info = semver.parse(version_str)
if info then
local instance = table.inherit(_instance)
instance._INFO = info
return instance
end
end
end
end
-- return module: semver
return semver
|
