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|
--!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 utils.lua
--
-- define module
local utils = utils or {}
-- load modules
local option = require("base/option")
local colors = require("base/colors")
local string = require("base/string")
-- print format string with newline
function utils.print(format, ...)
-- check
assert(format)
-- trace
print(string.tryformat(format, ...))
end
-- print format string without newline
function utils.printf(format, ...)
-- check
assert(format)
-- trace
io.write(string.tryformat(format, ...))
end
-- print format string and colors with newline
function utils.cprint(format, ...)
-- check
assert(format)
-- trace
print(colors(string.tryformat(format, ...)))
end
-- print format string and colors without newline
function utils.cprintf(format, ...)
-- check
assert(format)
-- trace
io.write(colors(string.tryformat(format, ...)))
end
-- the verbose function
function utils.verbose(format, ...)
-- enable verbose?
if option.get("verbose") and format ~= nil then
-- trace
print(string.tryformat(format, ...))
end
end
-- the verbose error function
function utils.verror(format, ...)
-- enable verbose?
if option.get("verbose") and format ~= nil then
-- trace
utils.cprint("${bright red}error: ${default red}" .. string.tryformat(format, ...))
end
end
-- the error function
function utils.error(format, ...)
-- trace
if format ~= nil then
utils.cprint("${bright red}error: ${default red}" .. string.tryformat(format, ...))
end
end
-- the warning function
function utils.warning(format, ...)
-- check
assert(format)
-- format message
local msg = "${bright yellow}warning: ${default yellow}" .. string.tryformat(format, ...)
-- init warnings
utils._WARNINGS = utils._WARNINGS or {}
local warnings = utils._WARNINGS
-- trace only once
if not warnings[msg] then
utils.cprint(msg)
warnings[msg] = true
end
end
-- ifelse, a? b : c
function utils.ifelse(a, b, c)
if a then return b else return c end
end
-- call functions
function utils.call(funcs, pred, ...)
-- check
assert(funcs)
-- call all
for _, func in ipairs(table.wrap(funcs)) do
-- check
assert(type(func) == "function")
-- call it
local result = func(...)
-- exists predicate?
if pred and type(pred) == "function" then
if not pred(name, result) then return false end
-- failed?
elseif not result then return false end
end
-- ok
return true
end
-- return module
return utils
|
