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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 string.lua
--
-- load modules
local string = require("base/string")
local sandbox = require("sandbox/sandbox")
-- define module
local sandbox_string = sandbox_string or {}
-- inherit the public interfaces of string
for k, v in pairs(string) do
if not k:startswith("_") and type(v) == "function" then
sandbox_string[k] = v
end
end
-- format string with the builtin variables
function sandbox_string.vformat(format, ...)
-- check
assert(format)
-- get the current sandbox instance
local instance = sandbox.instance()
assert(instance)
-- ignore %$(...)
format = format:gsub("%%%$", "__$__")
-- format string if exists arguments
local result = format
if #{...} > 0 then
result = string.format(format, ...)
end
assert(result)
-- get filter from the current sandbox
local filter = instance:filter()
if filter then
result = filter:handle(result)
end
-- escape to $(...)
result = result:gsub("__%$__", "$")
-- ok?
return result
end
-- return module
return sandbox_string
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