C++ search_path::command_line_dir方法代码示例

int main(int argc, char **argv)
{
  program_name = argv[0];
  int opt;
  static const struct option long_options[] = {
    { "help", no_argument, 0, CHAR_MAX + 1 },
    { "version", no_argument, 0, 'v' },
    { NULL, 0, 0, 0 }
  };
  while ((opt = getopt_long(argc, argv, "CI:rtv", long_options, NULL)) != EOF)
    switch (opt) {
    case 'v':
      printf("GNU soelim (groff) version %s\n", Version_string);
      exit(0);
      break;
    case 'C':
      compatible_flag = 1;
      break;
    case 'I':
      include_search_path.command_line_dir(optarg);
      break;
    case 'r':
      raw_flag = 1;
      break;
    case 't':
      tex_flag = 1;
      break;
    case CHAR_MAX + 1: // --help
      usage(stdout);
      exit(0);
      break;
    case '?':
      usage(stderr);
      exit(1);
      break;
    default:
      assert(0);
    }
  int nbad = 0;
  if (optind >= argc)
    nbad += !do_file("-");
  else
    for (int i = optind; i < argc; i++)
      nbad += !do_file(argv[i]);
  if (ferror(stdout) || fflush(stdout) < 0)
    fatal("output error");
  return nbad != 0;
}

int main(int argc, char **argv)
{
  setlocale(LC_NUMERIC, "C");
  program_name = argv[0];
  string env;
  static char stderr_buf[BUFSIZ];
  setbuf(stderr, stderr_buf);
  int c;
  static const struct option long_options[] = {
    { "help", no_argument, 0, CHAR_MAX + 1 },
    { "version", no_argument, 0, 'v' },
    { NULL, 0, 0, 0 }
  };
  while ((c = getopt_long(argc, argv, "b:c:F:gI:lmp:P:vw:", long_options, NULL))
	 != EOF)
    switch(c) {
    case 'b':
      // XXX check this
      broken_flags = atoi(optarg);
      bflag = 1;
      break;
    case 'c':
      if (sscanf(optarg, "%d", &ncopies) != 1 || ncopies <= 0) {
	error("bad number of copies `%s'", optarg);
	ncopies = 1;
      }
      break;
    case 'F':
      font::command_line_font_dir(optarg);
      break;
    case 'g':
      guess_flag = 1;
      break;
    case 'I':
      include_search_path.command_line_dir(optarg);
      break;
    case 'l':
      landscape_flag = 1;
      break;
    case 'm':
      manual_feed_flag = 1;
      break;
    case 'p':
      if (!font::scan_papersize(optarg, 0,
				&user_paper_length, &user_paper_width))
	error("invalid custom paper size `%1' ignored", optarg);
      break;
    case 'P':
      env = "GROPS_PROLOGUE";
      env += '=';
      env += optarg;
      env += '\0';
      if (putenv(strsave(env.contents())))
	fatal("putenv failed");
      break;
    case 'v':
      printf("GNU grops (groff) version %s\n", Version_string);
      exit(0);
      break;
    case 'w':
      if (sscanf(optarg, "%d", &linewidth) != 1 || linewidth < 0) {
	error("bad linewidth `%1'", optarg);
	linewidth = -1;
      }
      break;
    case CHAR_MAX + 1: // --help
      usage(stdout);
      exit(0);
      break;
    case '?':
      usage(stderr);
      exit(1);
      break;
    default:
      assert(0);
    }
  font::set_unknown_desc_command_handler(handle_unknown_desc_command);
  SET_BINARY(fileno(stdout));
  if (optind >= argc)
    do_file("-");
  else {
    for (int i = optind; i < argc; i++)
      do_file(argv[i]);
  }
  return 0;
}

void font::command_line_font_dir(const char *dir)
{
  font_path.command_line_dir(dir);
}

static int scanArguments(int argc, char **argv)
{
  const char *command_prefix = getenv("GROFF_COMMAND_PREFIX");
  if (!command_prefix)
    command_prefix = PROG_PREFIX;
  char *troff_name = new char[strlen(command_prefix) + strlen("troff") + 1];
  strcpy(troff_name, command_prefix);
  strcat(troff_name, "troff");
  int c, i;
  static const struct option long_options[] = {
    { "help", no_argument, 0, CHAR_MAX + 1 },
    { "version", no_argument, 0, 'v' },
    { NULL, 0, 0, 0 }
  };
  while ((c = getopt_long(argc, argv, "+a:bdD:eF:g:hi:I:j:lno:prs:S:vVx:y",
			  long_options, NULL))
	 != EOF)
    switch(c) {
    case 'a':
      textAlphaBits = min(max(MIN_ALPHA_BITS, atoi(optarg)),
			  MAX_ALPHA_BITS);
      if (textAlphaBits == 3) {
	error("cannot use 3 bits of antialiasing information");
	exit(1);
      }
      break;
    case 'b':
      // handled by post-grohtml (set background color to white)
      break;
    case 'd':
#if defined(DEBUGGING)
      debug = TRUE;
#endif
      break;
    case 'D':
      image_dir = optarg;
      break;
    case 'e':
      eqn_flag = TRUE;
      break;
    case 'F':
      font_path.command_line_dir(optarg);
      break;
    case 'g':
      graphicAlphaBits = min(max(MIN_ALPHA_BITS, atoi(optarg)),
			     MAX_ALPHA_BITS);
      if (graphicAlphaBits == 3) {
	error("cannot use 3 bits of antialiasing information");
	exit(1);
      }
      break;
    case 'h':
      // handled by post-grohtml
      break;
    case 'i':
      image_res = atoi(optarg);
      break;
    case 'I':
      image_template = optarg;
      break;
    case 'j':
      // handled by post-grohtml (set job name for multiple file output)
      break;
    case 'l':
      // handled by post-grohtml (no automatic section links)
      break;
    case 'n':
      // handled by post-grohtml (generate simple heading anchors)
      break;
    case 'o':
      vertical_offset = atoi(optarg);
      break;
    case 'p':
      show_progress = TRUE;
      break;
    case 'r':
      // handled by post-grohtml (no header and footer lines)
      break;
    case 's':
      // handled by post-grohtml (use font size n as the html base font size)
      break;
    case 'S':
      // handled by post-grohtml (set file split level)
      break;
    case 'v':
      printf("GNU pre-grohtml (groff) version %s\n", Version_string);
      exit(0);
    case 'V':
      // handled by post-grohtml (create validator button)
      break;
    case 'x':
      // html dialect
      if (strcmp(optarg, "x") == 0)
	dialect = xhtml;
      else if (strcmp(optarg, "4") == 0)
	dialect = html4;
      else
	printf("unsupported html dialect %s (defaulting to html4)\n", optarg);
      break;
    case 'y':
//.........这里部分代码省略.........