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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 bin2c.lua
--
-- imports
import("core.base.bytes")
import("core.base.option")
local options = {
{'w', "linewidth", "kv", nil, "Set the line width"},
{nil, "nozeroend", "k", false, "Disable to patch zero terminating character"},
{'i', "binarypath", "kv", nil, "Set the binary file path."},
{'o', "outputpath", "kv", nil, "Set the output file path."}
}
function _do_dump(binarydata, outputfile, opt)
local i = 0
local n = 147
local p = 0
local e = binarydata:size()
local line = nil
local linewidth = opt.linewidth or 0x20
local first = true
while p < e do
line = ""
if p + linewidth <= e then
for i = 0, linewidth - 1 do
if first then
first = false
line = line .. " "
else
line = line .. ","
end
line = line .. string.format(" 0x%02X", binarydata[p + i + 1])
end
outputfile:print(line)
p = p + linewidth
elseif p < e then
local left = e - p
for i = 0, left - 1 do
if first then
first = false
line = line .. " "
else
line = line .. ","
end
line = line .. string.format(" 0x%02X", binarydata[p + i + 1])
end
outputfile:print(line)
p = p + left
else
break
end
end
end
function _do_bin2c(binarypath, outputpath, opt)
-- init source directory and options
opt = opt or {}
binarypath = path.absolute(binarypath)
outputpath = path.absolute(outputpath)
assert(os.isfile(binarypath), "%s not found!", binarypath)
-- trace
print("generating code data file from %s ..", binarypath)
-- do dump
local binarydata = bytes(io.readfile(binarypath, {encoding = "binary"}))
local outputfile = io.open(outputpath, 'w')
if outputfile then
if not opt.nozeroend then
binarydata = binarydata .. bytes('\0')
end
_do_dump(binarydata, outputfile, opt)
outputfile:close()
end
-- trace
cprint("${bright}%s generated!", outputpath)
end
-- main entry
function main(...)
-- parse arguments
local argv = {...}
local opt = option.parse(argv, options, "Print c/c++ code files from the given binary file."
, ""
, "Usage: xmake l private.utils.bin2c [options]")
-- do bin2c
_do_bin2c(opt.binarypath, opt.outputpath, opt)
end
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