modules/woff2/src/woff2_decompress.cc

   1 /* Copyright 2013 Google Inc. All Rights Reserved.
   2
   3    Distributed under MIT license.
   4    See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
   5 */
   6
   7 /* A very simple commandline tool for decompressing woff2 format files to true
   8    type font files. */
   9
  10 #include <string>
  11
  12 #include "./file.h"
  13 #include <woff2/decode.h>
  14
  15
  16 int main(int argc, char **argv) {
  17   if (argc != 2) {
  18     fprintf(stderr, "One argument, the input filename, must be provided.\n");
  19     return 1;
  20   }
  21
  22   std::string filename(argv[1]);
  23   std::string outfilename = filename.substr(0, filename.find_last_of(".")) + ".ttf";
  24
  25   // Note: update woff2_dec_fuzzer_new_entry.cc if this pattern changes.
  26   std::string input = woff2::GetFileContent(filename);
  27   const uint8_t* raw_input = reinterpret_cast<const uint8_t*>(input.data());
  28   std::string output(
  29       std::min(woff2::ComputeWOFF2FinalSize(raw_input, input.size()),
  30                woff2::kDefaultMaxSize),
  31       0);
  32   woff2::WOFF2StringOut out(&output);
  33
  34   const bool ok = woff2::ConvertWOFF2ToTTF(raw_input, input.size(), &out);
  35
  36   if (ok) {
  37     woff2::SetFileContents(outfilename, output.begin(),
  38         output.begin() + out.Size());
  39   }
  40   return ok ? 0 : 1;
  41 }