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Diffstat (limited to 'xmake/modules/utils/binary/bin2c.lua')
| -rw-r--r-- | xmake/modules/utils/binary/bin2c.lua | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/xmake/modules/utils/binary/bin2c.lua b/xmake/modules/utils/binary/bin2c.lua new file mode 100644 index 000000000..ce7336e36 --- /dev/null +++ b/xmake/modules/utils/binary/bin2c.lua @@ -0,0 +1,130 @@ +--!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, Xmake Open Source Community. +-- +-- @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 32 + 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) + + -- optimize the default linewidth for reading large file + if not opt.linewidth then + local filesize = os.filesize(binarypath) + if filesize > 1024 * 1024 * 1024 then + opt.linewidth = 512 + elseif filesize > 100 * 1024 * 1024 then + opt.linewidth = 256 + elseif filesize > 10 * 1024 * 1024 then + opt.linewidth = 128 + elseif filesize > 1024 * 1024 then + opt.linewidth = 64 + else + opt.linewidth = 32 + end + end + + -- do dump + if utils.bin2c then + utils.bin2c(binarypath, outputpath, opt) + else + 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 + end + + -- trace + cprint("${bright}%s generated!", outputpath) +end + +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 utils.binary.bin2c [options]") + + -- do bin2c + _do_bin2c(opt.binarypath, opt.outputpath, opt) +end + |
