Function ConvertFile

src/tools/CommandLineMain.cpp:509–560

}

void ConvertFile(std::string fileName) {
  FILE* fin = OpenFileUtf8(fileName, "rb");
  if (!fin) {
    throw FileNotFound(fileName);
  }

  if (!outputFileName.IsNull() &&
      IsSameFileUtf8(fileName, outputFileName.Get())) {
    if (!inPlace) {
      fclose(fin);
      throw Exception("Input and output refer to the same file; use "
                      "--in-place to overwrite it.");
    }

    std::string targetFileName = outputFileName.Get();
    GetRealPathUtf8(outputFileName.Get(), &targetFileName);
    if (HasMultipleLinksUtf8(targetFileName)) {
      fclose(fin);
      throw Exception("--in-place cannot safely update files with multiple "
                      "hard links.");
    }

    std::string tempFileName;
    FILE* fout = CreateTempFileNearUtf8(targetFileName, &tempFileName);
    if (!fout) {
      fclose(fin);
      if (tempFileName.empty()) {
        tempFileName = "temporary file";
      }
      throw FileNotWritable(tempFileName);
    }

    try {
      ConvertFileStreams(fin, fout);
      if (PreserveMetadataUtf8(targetFileName, tempFileName) != 0) {
        RemoveFileUtf8(tempFileName);
        throw FileNotWritable(tempFileName);
      }
      if (ReplaceFileUtf8(tempFileName, targetFileName) != 0) {
        RemoveFileUtf8(tempFileName);
        throw FileNotWritable(targetFileName);
      }
    } catch (...) {
      RemoveFileUtf8(tempFileName);
      throw;
    }
    return;
  }

  FILE* fout = GetOutputStream();
  ConvertFileStreams(fin, fout);
}

void ConvertStdin() {
  PrintInteractiveStdinHint();