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- /*
- * $Id: d042>%s</A><BR>\n1998/10/28 21:04:09 lhecking Exp $
- *
- */
-
- /* GNUPLOT - doc2html.c */
-
- /*[
- * Copyright 1986 - 1993, 1998 Thomas Williams, Colin Kelley
- *
- * Permission to use, copy, and distribute this software and its
- * documentation for any purpose with or without fee is hereby granted,
- * provided that the above copyright notice appear in all copies and
- * that both that copyright notice and this permission notice appear
- * in supporting documentation.
- *
- * Permission to modify the software is granted, but not the right to
- * distribute the complete modified source code. Modifications are to
- * be distributed as patches to the released version. Permission to
- * distribute binaries produced by compiling modified sources is granted,
- * provided you
- * 1. distribute the corresponding source modifications from the
- * released version in the form of a patch file along with the binaries,
- * 2. add special version identification to distinguish your version
- * in addition to the base release version number,
- * 3. provide your name and address as the primary contact for the
- * support of your modified version, and
- * 4. retain our contact information in regard to use of the base
- * software.
- * Permission to distribute the released version of the source code along
- * with corresponding source modifications in the form of a patch file is
- * granted with same provisions 2 through 4 for binary distributions.
- *
- * This software is provided "as is" without express or implied warranty
- * to the extent permitted by applicable law.
- ]*/
-
- /*
- * doc2html.c -- program to convert Gnuplot .DOC format to
- * World Wide Web (WWW) HyperText Markup Language (HTML) format
- *
- * Created by Russell Lang from doc2ipf by Roger Fearick from
- * doc2rtf by M Castro from doc2gih by Thomas Williams.
- * 1994-11-03
- *
- * usage: doc2html gnuplot.doc gnuplot.htm
- *
- */
-
- /* note that tables must begin in at least the second column to */
- /* be formatted correctly and tabs are forbidden */
-
- #ifdef HAVE_CONFIG_H
- # include "config.h"
- #endif
-
- #include "ansichek.h"
- #include "stdfn.h"
-
- #define MAX_LINE_LEN 1023
-
- #include "doc2x.h"
- #include "xref.h"
-
- static boolean debug = FALSE;
- char title[256];
-
- void convert __PROTO((FILE *, FILE *));
- void process_line __PROTO((char *, FILE *));
-
- /* From xref.c */
- extern struct LIST *lookup __PROTO((char *));
-
- int main(argc, argv)
- int argc;
- char **argv;
- {
- FILE *infile;
- FILE *outfile;
-
- if (argv[argc - 1][0] == '-' && argv[argc - 1][1] == 'd') {
- debug = TRUE;
- argc--;
- }
- if ((argc > 3) || (argc == 1)) {
- fprintf(stderr, "Usage: %s infile outfile\n", argv[0]);
- exit(EXIT_FAILURE);
- }
- if ((infile = fopen(argv[1], "r")) == (FILE *) NULL) {
- fprintf(stderr, "%s: Can't open %s for reading\n",
- argv[0], argv[1]);
- exit(EXIT_FAILURE);
- }
- if (argc == 3) {
- if ((outfile = fopen(argv[2], "w")) == (FILE *) NULL) {
- fprintf(stderr, "%s: Can't open %s for writing\n",
- argv[0], argv[2]);
- exit(EXIT_FAILURE);
- }
- safe_strncpy(title, argv[2], sizeof(title));
- } else {
- outfile = stdout;
- safe_strncpy(title, argv[1], sizeof(title));
- }
- strtok(title, "."); /* remove type */
- parse(infile);
- convert(infile, outfile);
- exit(EXIT_SUCCESS);
- }
-
- void convert(a, b)
- FILE *a, *b;
- {
- static char line[MAX_LINE_LEN+1];
-
- /* generate html header */
- fprintf(b, "<HTML>\n\
- <HEAD>\n\
- <TITLE>%s</TITLE>\n\
- </HEAD>\n\
- <BODY>\n\
- <H1>%s</H1><P>\n", title, title);
-
- /* process each line of the file */
- while (get_line(line, sizeof(line), a)) {
- process_line(line, b);
- }
-
- /* close final page and generate trailer */
- fprintf(b, "\n<P><HR>Created automatically by doc2html\n\
- </BODY>\n\
- </HTML>\n");
-
- list_free();
- }
-
- void process_line(line, b)
- char *line;
- FILE *b;
- {
- static int line_count = 0;
- static char line2[MAX_LINE_LEN+1];
- static int last_line;
- char hyplink1[64];
- int i, j;
- static int startpage = 1;
- char topic[MAX_LINE_LEN+1];
- int k, l;
- struct LIST *klist;
- static int tabl = 0;
- static int para = 0;
- static int inquote = FALSE;
- static int inref = FALSE;
-
- line_count++;
-
- i = j = 0;
-
- while (line[i] != NUL) {
- switch (line[i]) {
- case '<':
- strcpy(&line2[j], "<");
- j += strlen("<.") - 1;
- break;
-
- case '>':
- strcpy(&line2[j], ">");
- j += strlen(">.") - 1;
- break;
-
- case '&':
- strcpy(&line2[j], "&");
- j += strlen("&") - 1;
- break;
-
- case '\r':
- case '\n':
- break;
- case '`': /* backquotes mean boldface or link */
- if ((!inref) && (!inquote)) {
- k = i + 1; /* index into current string */
- l = 0; /* index into topic string */
- while ((line[k] != '`') && (line[k] != NUL))
- topic[l++] = line[k++];
- topic[l] = NUL;
- klist = lookup(topic);
- if (klist && ((k = klist->line) != last_line)) {
- sprintf(hyplink1, "<A HREF=\042#%d\042>", k);
- strcpy(line2 + j, hyplink1);
- j += strlen(hyplink1) - 1;
-
- inref = k;
- } else {
- if (debug && k != last_line)
- fprintf(stderr, "Can't make link for \042%s\042 on line %d\n", topic, line_count);
- line2[j++] = '<';
- line2[j++] = 'B';
- line2[j] = '>';
- inquote = TRUE;
- }
- } else {
- if (inquote && inref)
- fprintf(stderr, "Warning: Reference Quote conflict line %d\n", line_count);
- if (inquote) {
- line2[j++] = '<';
- line2[j++] = '/';
- line2[j++] = 'B';
- line2[j] = '>';
- inquote = FALSE;
- }
- if (inref) {
- /* must be inref */
- line2[j++] = '<';
- line2[j++] = '/';
- line2[j++] = 'A';
- line2[j] = '>';
- inref = 0;
- }
- }
- break;
- default:
- line2[j] = line[i];
- }
- i++;
- j++;
- line2[j] = NUL;
- }
-
- i = 1;
-
- switch (line[0]) { /* control character */
- case '?':{ /* interactive help entry */
- #ifdef FIXLATER
- if (intable)
- intablebut = TRUE;
- fprintf(b, "\n:i1. %s", &(line[1])); /* index entry */
- #endif
- break;
- }
- case '@':{ /* start/end table */
- break; /* ignore */
- }
- case '#':{ /* latex table entry */
- break; /* ignore */
- }
- case '^':{ /* external link escape */
- (void) fputs(line + 1, b); /* copy directly */
- break; /* ignore */
- }
- case '%':{ /* troff table entry */
- break; /* ignore */
- }
- case '\n': /* empty text line */
- if (tabl)
- fprintf(b, "</PRE>\n"); /* rjl */
- para = 0;
- tabl = 0;
- fprintf(b, "<P>");
- break;
- case ' ':{ /* normal text line */
- if ((line2[1] == NUL) || (line2[1] == '\n')) {
- fprintf(b, "<P>");
- para = 0;
- tabl = 0;
- }
- if (line2[1] == ' ') {
- if (!tabl) {
- fprintf(b, "<PRE>\n");
- }
- fprintf(b, "%s\n", &line2[1]);
- tabl = 1;
- para = 0;
- } else {
- if (tabl) {
- fprintf(b, "</PRE>\n<P>"); /* rjl */
- }
- tabl = 0;
- if (!para)
- para = 1; /* not in para so start one */
- fprintf(b, "%s \n", &line2[1]);
- }
- break;
- }
- default:{
- if (isdigit((int)line[0])) { /* start of section */
- if (tabl)
- fprintf(b, "</PRE>\n"); /* rjl */
- if (startpage) { /* use the new level 0 */
- refs(0, b, "<P>\n", "<P>\n", "<A HREF=\042#%d\042>%s</A><BR>\n");
- } else {
- refs(last_line, b, "<P>\n", "<P>\n", "<A HREF=\042#%d\042>%s</A><BR>\n");
- }
- para = 0; /* not in a paragraph */
- tabl = 0;
- last_line = line_count;
- startpage = 0;
- if (debug)
- fprintf(stderr, "%d: %s\n", line_count, &line2[1]);
- klist = lookup(&line2[1]);
- if (klist)
- k = klist->line;
- else
- k = -1;
- /* output unique ID and section title */
- fprintf(b, "<HR><A NAME=\042%d\042>\n<H%c>", line_count, line[0] == '1' ? line[0] : line[0] - 1);
- fprintf(b, &(line2[1])); /* title */
- fprintf(b, "</H%c>\n<P>", line[0] == '1' ? line[0] : line[0] - 1);
- } else
- fprintf(stderr, "unknown control code '%c' in column 1, line %d\n",
- line[0], line_count);
- break;
- }
- }
- }
-