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annotate tools/bcc/main.cpp @ 47:7097a91b08a8

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Tools: add mlk-bcc tool, closes #596
author David Demelier <markand@malikania.fr>
date Wed, 07 Dec 2016 20:51:19 +0100
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children 858621081b95
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1 /*
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2 * main.cpp -- create binary data from assets
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3 *
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4 * Copyright (c) 2013-2016 David Demelier <markand@malikania.fr>
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5 *
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6 * Permission to use, copy, modify, and/or distribute this software for any
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7 * purpose with or without fee is hereby granted, provided that the above
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8 * copyright notice and this permission notice appear in all copies.
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9 *
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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18
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19 #include <cerrno>
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20 #include <cstring>
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21 #include <fstream>
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22 #include <iomanip>
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23 #include <iostream>
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24 #include <iterator>
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25
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26 int main(int argc, char** argv)
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27 {
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28 -- argc;
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29 ++ argv;
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30
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31 if (argc < 3) {
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32 std::cerr << "usage mlk-bcc variable input output" << std::endl;
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33 return 1;
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34 }
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35
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36 std::ifstream input(argv[1], std::ifstream::in | std::ifstream::binary);
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37
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38 if (!input) {
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39 std::cerr << argv[1] << ": " << std::strerror(errno) << std::endl;
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40 return 1;
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41 }
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42
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43 std::ofstream output(argv[2], std::ofstream::out | std::ofstream::trunc);
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44
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45 if (!output) {
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46 std::cerr << argv[2] << ": " << std::strerror(errno) << std::endl;
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47 return 1;
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48 }
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49
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50 std::istreambuf_iterator<char> it(input);
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51 std::istreambuf_iterator<char> end;
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52
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53 output << "const char " << argv[0] << "[] = {\n";
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54
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55 for (int i = 0; it != end; ) {
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56 if (i == 0) {
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57 output << " ";
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58 }
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59
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60 output << std::setw(4) << static_cast<int>(*it++);
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61
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62 if (it != end) {
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63 output << ",";
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64
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65 if (i++ == 11) {
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66 i = 0;
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67 output << "\n";
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68 }
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69 }
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70 }
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71
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72 output << "\n};\n";
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73 }