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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 vsfile.lua
--
-- init the default indent character
_g.indentchar = '\t'
-- print file
function _print_impl(self, ...)
-- print indent
for i = 1, self._indent do
self:_write_impl(_g.indentchar)
end
-- print it
self:_print_impl(...)
end
-- printf file
function _printf_impl(self, ...)
-- print indent
for i = 1, self._indent do
self:_write_impl(_g.indentchar)
end
-- printf it
self:_printf_impl(...)
end
-- write file
function _write_impl(self, ...)
-- print indent
for i = 1, self._indent do
self:_write_impl(_g.indentchar)
end
-- write it
self:_write_impl(...)
end
-- writef file
function _writef_impl(self, ...)
-- print indent
for i = 1, self._indent do
self:_write_impl(_g.indentchar)
end
-- writef it
self:_writef_impl(...)
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, {encoding = "utf8bom"})
-- hook print, printf and write
file._print_impl = file.print
file._printf_impl = file.printf
file._write_impl = file.write
file._writef_impl = file.writef
file.print = _print_impl
file.printf = _printf_impl
file.write = _write_impl
file.writef = _writef_impl
-- 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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