[thirdparty/cups.git] / standards / rfctohtml.c

/*
 * "$Id: rfctohtml.c 6649 2007-07-11 21:46:42Z mike $"
 *
 *   RFC file to HTML conversion program.
 *
 *   Copyright 2007-2009 by Apple Inc.
 *   Copyright 2006 by Easy Software Products.
 *
 *   These coded instructions, statements, and computer programs are the
 *   property of Apple Inc. and are protected by Federal copyright
 *   law.  Distribution and use rights are outlined in the file "LICENSE.txt"
 *   which should have been included with this file.  If this file is
 *   file is missing or damaged, see the license at "http://www.cups.org/".
 *
 * Contents:
 *
 *   main()       - Convert a man page to HTML.
 *   put_entity() - Put a single character, using entities as needed.
 *   put_line()   - Put a whole string for a line.
 */

/*
 * Include necessary headers.
 */

#include <cups/string.h>
#include <stdlib.h>
#include <cups/file.h>


/*
 * Local functions...
 */

void	put_entity(cups_file_t *fp, int ch);
void	put_line(cups_file_t *fp, const char *line);


/*
 * 'main()' - Convert a man page to HTML.
 */

int					/* O - Exit status */
main(int  argc,				/* I - Number of command-line args */
     char *argv[])			/* I - Command-line arguments */
{
  cups_file_t	*infile,		/* Input file */
		*outfile;		/* Output file */
  char		line[1024],		/* Line from file */
		*lineptr,		/* Pointer into line */
		title[2048],		/* Title string */
		*titleptr,		/* Pointer into title */
		name[1024],		/* Heading anchor name */
		*nameptr;		/* Pointer into anchor name */
  int		rfc,			/* RFC # */
		inheading,		/* Inside a heading? */
		inpre,			/* Inside preformatted text? */
		intoc,			/* Inside table-of-contents? */
		toclevel,		/* Current table-of-contents level */
		linenum;		/* Current line on page */


 /*
  * Check arguments...
  */

  if (argc > 3)
  {
    fputs("Usage: rfctohtml [rfcNNNN.txt [rfcNNNN.html]]\n", stderr);
    return (1);
  }

 /*
  * Open files as needed...
  */

  if (argc > 1)
  {
    if ((infile = cupsFileOpen(argv[1], "r")) == NULL)
    {
      perror(argv[1]);
      return (1);
    }
  }
  else
    infile = cupsFileOpenFd(0, "r");

  if (argc > 2)
  {
    if ((outfile = cupsFileOpen(argv[2], "w")) == NULL)
    {
      perror(argv[2]);
      cupsFileClose(infile);
      return (1);
    }
  }
  else
    outfile = cupsFileOpenFd(1, "w");

 /*
  * Read from input and write the output...
  */

  cupsFilePuts(outfile,
	       "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" "
	       "\"http://www.w3.org/TR/html4/loose.dtd\">\n"
	       "<html>\n"
	       "<!-- SECTION: Specifications -->\n"
	       "<head>\n"
	       "\t<link rel=\"stylesheet\" type=\"text/css\" "
	       "href=\"../cups-printable.css\">\n");

 /*
  * Skip the initial header stuff (working group ID, RFC #, authors, and
  * copyright...
  */

  linenum = 0;
  rfc     = 0;

  while (cupsFileGets(infile, line, sizeof(line)))
  {
    linenum ++;

    if (line[0])
      break;
  }

  while (cupsFileGets(infile, line, sizeof(line)))
  {
    linenum ++;

    if (!line[0])
      break;
    else if (!strncasecmp(line, "Request for Comments:", 21))
      rfc = atoi(line + 21);
  }

 /*
  * Read the document title...
  */

  while (cupsFileGets(infile, line, sizeof(line)))
  {
    linenum ++;

    if (line[0])
      break;
  }

  for (lineptr = line; isspace(*lineptr & 255); lineptr ++);

  snprintf(title, sizeof(title), "RFC %d: %s", rfc, lineptr);
  titleptr = title + strlen(title);

  while (cupsFileGets(infile, line, sizeof(line)))
  {
    linenum ++;

    if (!line[0])
      break;
    else
    {
      for (lineptr = line; isspace(*lineptr & 255); lineptr ++);

      snprintf(titleptr, sizeof(title) - (titleptr - title), " %s", lineptr);
      titleptr += strlen(titleptr);
    }
  }

  cupsFilePrintf(outfile, "\t<title>%s</title>\n"
			  "</head>\n"
			  "<body>\n"
			  "<h1 class='title'>%s</h1>\n", title, title);

 /*
  * Read the rest of the file...
  */

  inheading = 0;
  inpre     = 0;
  intoc     = 0;
  toclevel  = 0;

  while (cupsFileGets(infile, line, sizeof(line)))
  {
    linenum ++;

    if (!line[0])
    {
      if (linenum > 50)
        continue;

      if (inpre)
      {
	cupsFilePuts(outfile, "</pre>\n");
	inpre = 0;
      }

      if (inheading)
      {
	if (inheading < 0)
	  cupsFilePuts(outfile, "</h2>\n");
	else
	  cupsFilePrintf(outfile, "</a></h%d>\n", inheading);

        inheading = 0;
      }
    }
    else if ((line[0] == ' ' ||
              (!isupper(line[0] & 255) && !isdigit(line[0] & 255) &&
	       !strstr(line, "[Page "))) && !inheading)
    {
      if (inheading)
      {
	if (inheading < 0)
	  cupsFilePuts(outfile, "</h2>\n");
	else
	  cupsFilePrintf(outfile, "</a></h%d>\n", inheading);

        inheading = 0;
      }

      for (lineptr = line; *lineptr == ' '; lineptr ++);

      if (intoc)
      {
        char	*temp;			/* Temporary pointer into line */
	int	level;			/* Heading level */


        if (isdigit(*lineptr & 255))
	{
	  strlcpy(name, lineptr, sizeof(name));

	  for (nameptr = name, level = -1; *nameptr;)
	    if (isdigit(*nameptr & 255))
	    {
	      while (isdigit(*nameptr & 255))
		nameptr ++;

	      level ++;
	    }
	    else if (*nameptr == ' ')
	    {
	      *nameptr = '\0';
	      break;
	    }
	    else
	      nameptr ++;

	  while (toclevel > level)
	  {
	    cupsFilePuts(outfile, "\n</ul>");
	    toclevel --;
	  }

	  while (toclevel < level)
	  {
	    cupsFilePuts(outfile, "\n<ul style=\"list-style-type: none;\">\n");
	    toclevel ++;
	  }

	  cupsFilePrintf(outfile, "\n<%s><a href=\"#s%s\">", toclevel ? "li" : "p",
	                 name);
	}

        temp = lineptr + strlen(lineptr) - 1;

	while (temp > lineptr)
	  if (*temp == ' ' || !isdigit(*temp & 255))
	    break;
	  else
	    temp --;

        if (*temp == ' ')
	{
	  while (temp > lineptr)
	    if (*temp != ' ' && *temp != '.')
	      break;
	    else
	      *temp-- = '\0';
	}
	else
	  temp = NULL;

        if (isdigit(*lineptr & 255))
          put_line(outfile, lineptr);
	else
	  put_line(outfile, lineptr - 1);

        if (temp)
	  cupsFilePuts(outfile, "</a>");
      }
      else if (!inpre)
      {
	cupsFilePuts(outfile, "\n<pre>");
	put_line(outfile, line);
	inpre = 1;
      }
      else
      {
	cupsFilePutChar(outfile, '\n');
	put_line(outfile, line);
      }
    }
    else if (strstr(line, "[Page "))
    {
     /*
      * Skip page footer and header...
      */

      cupsFileGets(infile, line, sizeof(line));
      cupsFileGets(infile, line, sizeof(line));
      cupsFileGets(infile, line, sizeof(line));
      cupsFileGets(infile, line, sizeof(line));
      linenum = 3;
    }
    else if (isdigit(line[0] & 255) && !inheading)
    {
      int level;			/* Heading level */


      if (intoc)
      {
        while (toclevel > 0)
	{
	  cupsFilePuts(outfile, "\n</ul>");
	  toclevel --;
	}

	cupsFilePutChar(outfile, '\n');
	intoc = 0;
      }

      if (inpre)
      {
	cupsFilePuts(outfile, "</pre>\n");
	inpre = 0;
      }

      strlcpy(name, line, sizeof(name));
      for (nameptr = name, level = 1; *nameptr;)
        if (isdigit(*nameptr & 255))
	{
	  while (isdigit(*nameptr & 255))
	    nameptr ++;

          level ++;
	}
	else if (*nameptr == ' ')
	{
	  *nameptr = '\0';
	  break;
	}
	else
	  nameptr ++;

      cupsFilePrintf(outfile, "\n<h%d class='title'><a name='s%s'>", level,
                     name);
      put_line(outfile, line);

      intoc     = 0;
      inheading = level;
    }
    else
    {
      if (intoc)
      {
        while (toclevel > 0)
	{
	  cupsFilePuts(outfile, "\n</ul>");
	  toclevel --;
	}

	cupsFilePutChar(outfile, '\n');
	intoc = 0;
      }

      if (!inheading)
      {
        cupsFilePuts(outfile, "\n<h2 class='title'>");
        inheading = -1;
      }

      put_line(outfile, line);

      intoc    = !strcasecmp(line, "Table of Contents");
      toclevel = 0;
    }
  }

  if (inpre)
    cupsFilePuts(outfile, "</pre>\n");

  if (inheading)
  {
    if (inheading < 0)
      cupsFilePuts(outfile, "</h2>\n");
    else
      cupsFilePrintf(outfile, "</a></h%d>\n", inheading);
  }

  cupsFilePuts(outfile, "</body>\n"
                        "</html>\n");

 /*
  * Close files...
  */

  cupsFileClose(infile);
  cupsFileClose(outfile);

 /*
  * Return with no errors...
  */

  return (0);
}


/*
 * 'put_entity()' - Put a single character, using entities as needed.
 */

void
put_entity(cups_file_t *fp,		/* I - File */
           int         ch)		/* I - Character */
{
  if (ch == '&')
    cupsFilePuts(fp, "&amp;");
  else if (ch == '<')
    cupsFilePuts(fp, "&lt;");
  else
    cupsFilePutChar(fp, ch);
}


/*
 * 'put_line()' - Put a whole string for a line.
 */

void
put_line(cups_file_t *fp,		/* I - File */
         const char  *s)		/* I - String */
{
  int	whitespace,			/* Saw whitespace */
	i,				/* Looping var */
	len;				/* Length of keyword */
  static const char * const keywords[] =/* Special keywords to boldface */
  {
    "MAY",
    "MUST",
    "NEED",
    "NOT",
    "OPTIONAL",
    "OPTIONALLY",
    "RECOMMENDED",
    "REQUIRED",
    "SHALL",
    "SHOULD"
  };


  whitespace = 1;

  while (*s)
  {
    if (*s == ' ')
      whitespace = 1;

    if (whitespace && isupper(*s & 255))
    {
      whitespace = 0;

      for (i = 0; i < (int)(sizeof(keywords) / sizeof(sizeof(keywords[0]))); i ++)
      {
        len = strlen(keywords[i]);
	if (!strncmp(s, keywords[i], len) &&
	    (isspace(s[len] & 255) || ispunct(s[len] & 255) || !*s))
	{
	  cupsFilePrintf(fp, "<b>%s</b>", keywords[i]);
	  s += len;
	  break;
	}
      }

      if (i >= (int)(sizeof(keywords) / sizeof(sizeof(keywords[0]))))
        put_entity(fp, *s++);
    }
    else
    {
      if (*s != ' ')
        whitespace = 0;

      put_entity(fp, *s++);
    }
  }
}


/*
 * End of "$Id: rfctohtml.c 6649 2007-07-11 21:46:42Z mike $".
 */
Commit	Line	Data
fa73b229	1	/*
bc44d920	2	* "$Id: rfctohtml.c 6649 2007-07-11 21:46:42Z mike $"
fa73b229	3	*
	4	* RFC file to HTML conversion program.
	5	*
745129be	6	* Copyright 2007-2009 by Apple Inc.
fa73b229	7	* Copyright 2006 by Easy Software Products.
	8	*
	9	* These coded instructions, statements, and computer programs are the
bc44d920	10	* property of Apple Inc. and are protected by Federal copyright
	11	* law. Distribution and use rights are outlined in the file "LICENSE.txt"
	12	* which should have been included with this file. If this file is
	13	* file is missing or damaged, see the license at "http://www.cups.org/".
fa73b229	14	*
	15	* Contents:
	16	*
ecdc0628	17	* main() - Convert a man page to HTML.
	18	* put_entity() - Put a single character, using entities as needed.
	19	* put_line() - Put a whole string for a line.
fa73b229	20	*/
	21
	22	/*
	23	* Include necessary headers.
	24	*/
	25
	26	#include <cups/string.h>
	27	#include <stdlib.h>
	28	#include <cups/file.h>
	29
	30
	31	/*
	32	* Local functions...
	33	*/
	34
	35	void put_entity(cups_file_t *fp, int ch);
	36	void put_line(cups_file_t fp, const char line);
	37
	38
	39	/*
	40	* 'main()' - Convert a man page to HTML.
	41	*/
	42
	43	int /* O - Exit status */
	44	main(int argc, /* I - Number of command-line args */
	45	char argv[]) / I - Command-line arguments */
	46	{
	47	cups_file_t infile, / Input file */
	48	outfile; / Output file */
	49	char line[1024], /* Line from file */
	50	lineptr, / Pointer into line */
178cb736 MS	51	title[2048], /* Title string */
178cb736 MS	52	titleptr, / Pointer into title */
fa73b229	53	name[1024], /* Heading anchor name */
fa73b229	54	nameptr; / Pointer into anchor name */
ecdc0628	55	int rfc, /* RFC # */
ecdc0628	56	inheading, /* Inside a heading? */
fa73b229	57	inpre, /* Inside preformatted text? */
	58	intoc, /* Inside table-of-contents? */
	59	toclevel, /* Current table-of-contents level */
	60	linenum; /* Current line on page */
	61
	62
	63	/*
	64	* Check arguments...
	65	*/
	66
	67	if (argc > 3)
	68	{
	69	fputs("Usage: rfctohtml [rfcNNNN.txt [rfcNNNN.html]]\n", stderr);
	70	return (1);
	71	}
	72
	73	/*
	74	* Open files as needed...
	75	*/
	76
	77	if (argc > 1)
	78	{
	79	if ((infile = cupsFileOpen(argv[1], "r")) == NULL)
	80	{
	81	perror(argv[1]);
	82	return (1);
	83	}
	84	}
	85	else
	86	infile = cupsFileOpenFd(0, "r");
	87
	88	if (argc > 2)
	89	{
	90	if ((outfile = cupsFileOpen(argv[2], "w")) == NULL)
	91	{
	92	perror(argv[2]);
	93	cupsFileClose(infile);
	94	return (1);
	95	}
	96	}
	97	else
	98	outfile = cupsFileOpenFd(1, "w");
	99
	100	/*
	101	* Read from input and write the output...
	102	*/
	103
	104	cupsFilePuts(outfile,
745129be MS	105	"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" "
745129be MS	106	"\"http://www.w3.org/TR/html4/loose.dtd\">\n"
fa73b229	107	"<html>\n"
	108	"<!-- SECTION: Specifications -->\n"
	109	"<head>\n"
178cb736 MS	110	"\t<link rel=\"stylesheet\" type=\"text/css\" "
178cb736 MS	111	"href=\"../cups-printable.css\">\n");
fa73b229	112
	113	/*
	114	* Skip the initial header stuff (working group ID, RFC #, authors, and
	115	* copyright...
	116	*/
	117
	118	linenum = 0;
ecdc0628	119	rfc = 0;
fa73b229	120
	121	while (cupsFileGets(infile, line, sizeof(line)))
	122	{
	123	linenum ++;
	124
	125	if (line[0])
	126	break;
	127	}
	128
	129	while (cupsFileGets(infile, line, sizeof(line)))
	130	{
	131	linenum ++;
	132
	133	if (!line[0])
	134	break;
ecdc0628	135	else if (!strncasecmp(line, "Request for Comments:", 21))
ecdc0628	136	rfc = atoi(line + 21);
fa73b229	137	}
	138
	139	/*
	140	* Read the document title...
	141	*/
	142
	143	while (cupsFileGets(infile, line, sizeof(line)))
	144	{
	145	linenum ++;
	146
	147	if (line[0])
	148	break;
	149	}
	150
	151	for (lineptr = line; isspace(*lineptr & 255); lineptr ++);
	152
178cb736 MS	153	snprintf(title, sizeof(title), "RFC %d: %s", rfc, lineptr);
178cb736 MS	154	titleptr = title + strlen(title);
fa73b229	155
	156	while (cupsFileGets(infile, line, sizeof(line)))
	157	{
	158	linenum ++;
	159
	160	if (!line[0])
	161	break;
	162	else
	163	{
	164	for (lineptr = line; isspace(*lineptr & 255); lineptr ++);
178cb736 MS	165
	166	snprintf(titleptr, sizeof(title) - (titleptr - title), " %s", lineptr);
	167	titleptr += strlen(titleptr);
fa73b229	168	}
	169	}
	170
178cb736 MS	171	cupsFilePrintf(outfile, "\t<title>%s</title>\n"
	172	"</head>\n"
	173	"<body>\n"
	174	"<h1 class='title'>%s</h1>\n", title, title);
fa73b229	175
	176	/*
	177	* Read the rest of the file...
	178	*/
	179
	180	inheading = 0;
	181	inpre = 0;
	182	intoc = 0;
	183	toclevel = 0;
	184
	185	while (cupsFileGets(infile, line, sizeof(line)))
	186	{
	187	linenum ++;
	188
	189	if (!line[0])
	190	{
	191	if (linenum > 50)
	192	continue;
	193
	194	if (inpre)
	195	{
	196	cupsFilePuts(outfile, "</pre>\n");
	197	inpre = 0;
	198	}
	199
	200	if (inheading)
	201	{
	202	if (inheading < 0)
178cb736	203	cupsFilePuts(outfile, "</h2>\n");
fa73b229	204	else
	205	cupsFilePrintf(outfile, "</a></h%d>\n", inheading);
	206
	207	inheading = 0;
	208	}
	209	}
	210	else if ((line[0] == ' ' \|\|
	211	(!isupper(line[0] & 255) && !isdigit(line[0] & 255) &&
	212	!strstr(line, "[Page "))) && !inheading)
	213	{
	214	if (inheading)
	215	{
	216	if (inheading < 0)
178cb736	217	cupsFilePuts(outfile, "</h2>\n");
fa73b229	218	else
	219	cupsFilePrintf(outfile, "</a></h%d>\n", inheading);
	220
	221	inheading = 0;
	222	}
	223
	224	for (lineptr = line; *lineptr == ' '; lineptr ++);
	225
	226	if (intoc)
	227	{
	228	char temp; / Temporary pointer into line */
	229	int level; /* Heading level */
	230
	231
	232	if (isdigit(*lineptr & 255))
	233	{
	234	strlcpy(name, lineptr, sizeof(name));
	235
	236	for (nameptr = name, level = -1; *nameptr;)
	237	if (isdigit(*nameptr & 255))
	238	{
	239	while (isdigit(*nameptr & 255))
	240	nameptr ++;
	241
	242	level ++;
	243	}
	244	else if (*nameptr == ' ')
	245	{
	246	*nameptr = '\0';
	247	break;
	248	}
	249	else
	250	nameptr ++;
	251
	252	while (toclevel > level)
	253	{
	254	cupsFilePuts(outfile, "\n</ul>");
	255	toclevel --;
	256	}
	257
	258	while (toclevel < level)
	259	{
	260	cupsFilePuts(outfile, "\n<ul style=\"list-style-type: none;\">\n");
	261	toclevel ++;
	262	}
	263
	264	cupsFilePrintf(outfile, "\n<%s><a href=\"#s%s\">", toclevel ? "li" : "p",
	265	name);
	266	}
	267
	268	temp = lineptr + strlen(lineptr) - 1;
	269
	270	while (temp > lineptr)
	271	if (temp == ' ' \|\| !isdigit(temp & 255))
	272	break;
	273	else
	274	temp --;
	275
	276	if (*temp == ' ')
	277	{
	278	while (temp > lineptr)
	279	if (temp != ' ' && temp != '.')
	280	break;
	281	else
282	*temp-- = '\0';
283	}
284	else
285	temp = NULL;
286
287	if (isdigit(*lineptr & 255))
288	put_line(outfile, lineptr);
289	else
290	put_line(outfile, lineptr - 1);
291
292	if (temp)
293	cupsFilePuts(outfile, "</a>");
294	}
295	else if (!inpre)
296	{
297	cupsFilePuts(outfile, "\n<pre>");
298	put_line(outfile, line);
299	inpre = 1;
300	}
301	else
302	{
303	cupsFilePutChar(outfile, '\n');
304	put_line(outfile, line);
305	}
306	}
307	else if (strstr(line, "[Page "))
308	{
309	/*
310	* Skip page footer and header...
311	*/
312
313	cupsFileGets(infile, line, sizeof(line));
314	cupsFileGets(infile, line, sizeof(line));
315	cupsFileGets(infile, line, sizeof(line));
316	cupsFileGets(infile, line, sizeof(line));
317	linenum = 3;
318	}
319	else if (isdigit(line[0] & 255) && !inheading)
320	{
321	int level; /* Heading level */
322
323
324	if (intoc)
325	{
326	while (toclevel > 0)
327	{
328	cupsFilePuts(outfile, "\n</ul>");
329	toclevel --;
330	}
331
332	cupsFilePutChar(outfile, '\n');
333	intoc = 0;
334	}
335
336	if (inpre)
337	{
338	cupsFilePuts(outfile, "</pre>\n");
339	inpre = 0;
340	}
341
342	strlcpy(name, line, sizeof(name));
ecdc0628	343	for (nameptr = name, level = 1; *nameptr;)
fa73b229	344	if (isdigit(*nameptr & 255))
	345	{
	346	while (isdigit(*nameptr & 255))
	347	nameptr ++;
	348
	349	level ++;
	350	}
	351	else if (*nameptr == ' ')
	352	{
	353	*nameptr = '\0';
	354	break;
	355	}
	356	else
	357	nameptr ++;
	358
ecdc0628	359	cupsFilePrintf(outfile, "\n<h%d class='title'><a name='s%s'>", level,
ecdc0628	360	name);
fa73b229	361	put_line(outfile, line);
	362
	363	intoc = 0;
	364	inheading = level;
	365	}
	366	else
	367	{
	368	if (intoc)
	369	{
	370	while (toclevel > 0)
	371	{
	372	cupsFilePuts(outfile, "\n</ul>");
	373	toclevel --;
	374	}
	375
	376	cupsFilePutChar(outfile, '\n');
	377	intoc = 0;
	378	}
	379
	380	if (!inheading)
	381	{
ecdc0628	382	cupsFilePuts(outfile, "\n<h2 class='title'>");
fa73b229	383	inheading = -1;
	384	}
	385
	386	put_line(outfile, line);
	387
	388	intoc = !strcasecmp(line, "Table of Contents");
	389	toclevel = 0;
	390	}
	391	}
	392
	393	if (inpre)
	394	cupsFilePuts(outfile, "</pre>\n");
	395
	396	if (inheading)
	397	{
	398	if (inheading < 0)
ecdc0628	399	cupsFilePuts(outfile, "</h2>\n");
fa73b229	400	else
	401	cupsFilePrintf(outfile, "</a></h%d>\n", inheading);
	402	}
	403
	404	cupsFilePuts(outfile, "</body>\n"
	405	"</html>\n");
	406
	407	/*
	408	* Close files...
	409	*/
	410
	411	cupsFileClose(infile);
	412	cupsFileClose(outfile);
	413
	414	/*
	415	* Return with no errors...
	416	*/
	417
	418	return (0);
	419	}
	420
	421
	422	/*
	423	* 'put_entity()' - Put a single character, using entities as needed.
	424	*/
	425
	426	void
	427	put_entity(cups_file_t fp, / I - File */
	428	int ch) /* I - Character */
	429	{
	430	if (ch == '&')
	431	cupsFilePuts(fp, "&");
	432	else if (ch == '<')
	433	cupsFilePuts(fp, "<");
	434	else
	435	cupsFilePutChar(fp, ch);
	436	}
	437
	438
	439	/*
	440	* 'put_line()' - Put a whole string for a line.
	441	*/
	442
	443	void
	444	put_line(cups_file_t fp, / I - File */
	445	const char s) / I - String */
	446	{
	447	int whitespace, /* Saw whitespace */
	448	i, /* Looping var */
	449	len; /* Length of keyword */
	450	static const char * const keywords[] =/* Special keywords to boldface */
	451	{
	452	"MAY",
	453	"MUST",
178cb736	454	"NEED",
fa73b229	455	"NOT",
178cb736 MS	456	"OPTIONAL",
	457	"OPTIONALLY",
	458	"RECOMMENDED",
	459	"REQUIRED",
fa73b229	460	"SHALL",
	461	"SHOULD"
	462	};
	463
	464
	465	whitespace = 1;
	466
	467	while (*s)
	468	{
	469	if (*s == ' ')
	470	whitespace = 1;
	471
	472	if (whitespace && isupper(*s & 255))
	473	{
	474	whitespace = 0;
	475
	476	for (i = 0; i < (int)(sizeof(keywords) / sizeof(sizeof(keywords[0]))); i ++)
	477	{
	478	len = strlen(keywords[i]);
178cb736 MS	479	if (!strncmp(s, keywords[i], len) &&
178cb736 MS	480	(isspace(s[len] & 255) \|\| ispunct(s[len] & 255) \|\| !*s))
fa73b229	481	{
	482	cupsFilePrintf(fp, "<b>%s</b>", keywords[i]);
	483	s += len;
	484	break;
	485	}
	486	}
	487
	488	if (i >= (int)(sizeof(keywords) / sizeof(sizeof(keywords[0]))))
	489	put_entity(fp, *s++);
	490	}
	491	else
	492	{
	493	if (*s != ' ')
	494	whitespace = 0;
	495
	496	put_entity(fp, *s++);
	497	}
	498	}
	499	}
	500
	501
	502	/*
bc44d920	503	* End of "$Id: rfctohtml.c 6649 2007-07-11 21:46:42Z mike $".
fa73b229	504	*/