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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 vsfile.lua
--
-- init the default indent character
_g.indentchar = '\t'
-- print file
function _print(self, ...)
-- print indent
for i = 1, self._indent do
self:_write(_g.indentchar)
end
-- print it
self:_print(...)
end
-- printf file
function _printf(self, ...)
-- print indent
for i = 1, self._indent do
self:_write(_g.indentchar)
end
-- printf it
self:_printf(...)
end
-- write file
function _write(self, ...)
-- print indent
for i = 1, self._indent do
self:_write(_g.indentchar)
end
-- write it
self:_write(...)
end
-- writef file
function _writef(self, ...)
-- print indent
for i = 1, self._indent do
self:_write(_g.indentchar)
end
-- writef it
self:_writef(...)
end
-- enter and print file
function _enter(self, ...)
-- print it
self:print(...)
-- increase indent
self._indent = self._indent + 1
end
-- leave and print file
function _leave(self, ...)
-- decrease indent
if self._indent >= 1 then
self._indent = self._indent - 1
else
self._indent = 0
end
-- print it
self:print(...)
end
-- open file
function open(filepath, mode)
-- open it
local file = io.open(filepath, mode)
-- hook print, printf and write
file._print = file.print
file._printf = file.printf
file._write = file.write
file._writef = file.writef
file.print = _print
file.printf = _printf
file.write = _write
file.writef = _writef
-- add enter and leave interfaces
file.enter = _enter
file.leave = _leave
-- init indent
file._indent = 0
-- ok?
return file
end
-- set indent character
function indentchar(ch)
_g.indentchar = ch or '\t'
end
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