Remove dependency on xxd.

1 files changed, 172 insertions, 0 deletions

diff --git a/utils/bin2c/main.cpp b/utils/bin2c/main.cpp
new file mode 100644
index 0000000..9d08894
--- /dev/null
+++ b/utils/bin2c/main.cpp
@@ -0,0 +1,172 @@
+////////////////////////////////////////////////////////////////////////////////
+///
+/// @file       main.cpp
+///
+/// @project
+///
+/// @brief      Main utility for converting binary files to embeddable c code.
+///
+////////////////////////////////////////////////////////////////////////////////
+///
+////////////////////////////////////////////////////////////////////////////////
+///
+/// @copyright Copyright (c) 2019, Evan Lojewski
+/// @cond
+///
+/// All rights reserved.
+///
+/// Redistribution and use in source and binary forms, with or without
+/// modification, are permitted provided that the following conditions are met:
+/// 1. Redistributions of source code must retain the above copyright notice,
+/// this list of conditions and the following disclaimer.
+/// 2. Redistributions in binary form must reproduce the above copyright notice,
+/// this list of conditions and the following disclaimer in the documentation
+/// and/or other materials provided with the distribution.
+/// 3. Neither the name of the copyright holder nor the
+/// names of its contributors may be used to endorse or promote products
+/// derived from this software without specific prior written permission.
+///
+////////////////////////////////////////////////////////////////////////////////
+///
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+/// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+/// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+/// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+/// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+/// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+/// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+/// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+/// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+/// POSSIBILITY OF SUCH DAMAGE.
+/// @endcond
+////////////////////////////////////////////////////////////////////////////////
+
+#include <OptionParser.h>
+#include <algorithm>
+#include <cstring>
+#include <fstream>
+#include <iomanip>
+
+using namespace std;
+using optparse::OptionParser;
+
+string& escape(std::string& str)
+{
+    std::replace(str.begin(), str.end(), ' ', '_'); // No spaces allowed
+    std::replace(str.begin(), str.end(), '-', '_'); // Replace -'s with _'s
+    std::replace(str.begin(), str.end(), '.', '_'); // Replace .'s with _'s
+    std::replace(str.begin(), str.end(), ',', '_'); // Replace ,'s with _'s
+    std::replace(str.begin(), str.end(), ':', '_'); // Replace :'s with _'s
+    std::replace(str.begin(), str.end(), '[', '_'); // Replace ['s with _'s
+    std::replace(str.begin(), str.end(), ']', '_'); // Replace ]'s with _'s
+
+    while(str.find("—") != std::string::npos)
+    {
+        str.replace(str.find("—"), strlen("—"), "_"); // Replace @'s with _AT_'s.
+    }
+
+    while(str.find("@") != std::string::npos)
+        {
+        str.replace(str.find("@"), 1, "_AT_"); // Replace @'s with _AT_'s.
+    }
+
+    while(str.find("/") != std::string::npos)
+    {
+        str.replace(str.find("/"), 1, "_DIV_"); // Replace /'s with _DIV_'s.
+    }
+
+    return str;
+}
+
+int main(int argc, char const *argv[])
+{
+    ofstream outfile;
+    ifstream infile;
+    OptionParser parser = OptionParser().description("Binary to C Header utility");
+
+    parser.add_option("-i", "--input")
+        .dest("input")
+        .help("Input binary file to convert")
+        .metavar("INPUT");
+
+    parser.add_option("-o", "--output")
+        .dest("output")
+        .help("Output header file")
+        .metavar("OUTPUT");
+
+    optparse::Values options = parser.parse_args(argc, argv);
+    vector<string> args = parser.args();
+
+    if (!options.is_set("input"))
+    {
+        cerr << "Please specify an input binary file to use." << endl;
+        parser.print_help();
+        exit(-1);
+    }
+
+    if (!options.is_set("output"))
+    {
+        cerr << "Please specify an output header file to write." << endl;
+        parser.print_help();
+        exit(-1);
+    }
+
+    string filename = options["input"];
+
+    infile.open(options["input"], ios::in | ios::binary);
+    if (!infile.is_open())
+    {
+        cerr << "Unable to open input file " << options["input"];
+        exit(-1);
+    }
+
+    outfile.open(options["output"], ios::out | ios::trunc);
+    if (!outfile.is_open())
+    {
+        cerr << "Unable to open output file " << options["output"];
+        exit(-1);
+    }
+
+    escape(filename);
+
+    cout << "New name: " << filename;
+
+    outfile << "unsigned char " << filename << "[] = {" << endl;
+
+    int count = 0;
+    char byte;
+    // Read input file, byte by byte.
+    while (infile.get(byte))
+    {
+        if (!count)
+        {
+            // Newline, add indent.
+            outfile << "    ";
+        }
+
+        // Output a hex byte...
+        outfile << "0x" << std::setw(2) << std::setfill('0') << std::hex << (int)byte << ",";
+        count = (count + 1) % 8;
+
+        if (!count)
+        {
+            // End of line.
+            outfile << endl;
+        }
+    }
+
+    if (count)
+    {
+        // Previous line did not end.
+        outfile << endl;
+    }
+
+    outfile << "};" << endl;
+    outfile << "unsigned int " << filename << "_len = sizeof(" << filename << ");" << endl;
+
+    outfile.flush();
+    outfile.close();
+
+    return 0;
+}