1 /* PSPP - computes sample statistics.
2 Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
3 Written by Ben Pfaff <blp@gnu.org>.
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
20 /* This #if encloses the rest of the file. */
45 static int postopen (struct file_ext *);
46 static int preclose (struct file_ext *);
49 html_open_global (struct outp_class *this UNUSED)
55 html_close_global (struct outp_class *this UNUSED)
61 html_preopen_driver (struct outp_driver *this)
63 struct html_driver_ext *x;
65 assert (this->driver_open == 0);
66 msg (VM (1), _("HTML driver initializing as `%s'..."), this->name);
68 this->ext = x = xmalloc (sizeof *x);
70 this->horiz = this->vert = 0;
71 this->width = this->length = 0;
73 this->cp_x = this->cp_y = 0;
75 x->prologue_fn = NULL;
77 x->file.filename = NULL;
80 x->file.sequence_no = &x->sequence_no;
82 x->file.postopen = postopen;
83 x->file.preclose = preclose;
91 html_postopen_driver (struct outp_driver *this)
93 struct html_driver_ext *x = this->ext;
95 assert (this->driver_open == 0);
96 if (NULL == x->file.filename)
97 x->file.filename = xstrdup ("pspp.html");
99 if (x->prologue_fn == NULL)
100 x->prologue_fn = xstrdup ("html-prologue");
102 msg (VM (2), _("%s: Initialization complete."), this->name);
103 this->driver_open = 1;
109 html_close_driver (struct outp_driver *this)
111 struct html_driver_ext *x = this->ext;
113 assert (this->driver_open);
114 msg (VM (2), _("%s: Beginning closing..."), this->name);
115 fn_close_ext (&x->file);
116 free (x->prologue_fn);
117 free (x->file.filename);
119 msg (VM (3), _("%s: Finished closing."), this->name);
120 this->driver_open = 0;
125 /* Generic option types. */
133 /* All the options that the HTML driver supports. */
134 static struct outp_option option_tab[] =
137 {"output-file", 1, 0},
138 {"prologue-file", string_arg, 0},
142 static struct outp_option_info option_info;
145 html_option (struct outp_driver *this, const char *key, const struct string *val)
147 struct html_driver_ext *x = this->ext;
150 cat = outp_match_keyword (key, option_tab, &option_info, &subcat);
154 msg (SE, _("Unknown configuration parameter `%s' for HTML device "
158 free (x->file.filename);
159 x->file.filename = xstrdup (ds_c_str (val));
167 dest = &x->prologue_fn;
175 *dest = xstrdup (ds_c_str (val));
183 /* Variables for the prologue. */
190 static struct html_variable *html_var_tab;
192 /* Searches html_var_tab for a html_variable with key KEY, and returns
193 the associated value. */
195 html_get_var (const char *key)
197 struct html_variable *v;
199 for (v = html_var_tab; v->key; v++)
200 if (!strcmp (key, v->key))
205 /* Writes the HTML prologue to file F. */
207 postopen (struct file_ext *f)
209 static struct html_variable dict[] =
226 struct outp_driver *this = f->param;
227 struct html_driver_ext *x = this->ext;
229 char *prologue_fn = fn_search_path (x->prologue_fn, config_path, NULL);
235 if (prologue_fn == NULL)
237 msg (IE, _("Cannot find HTML prologue. The use of `-vv' "
238 "on the command line is suggested as a debugging aid."));
242 msg (VM (1), _("%s: %s: Opening HTML prologue..."), this->name, prologue_fn);
243 prologue_file = fopen (prologue_fn, "rb");
244 if (prologue_file == NULL)
246 fclose (prologue_file);
248 msg (IE, "%s: %s", prologue_fn, strerror (errno));
252 dict[0].value = version;
254 curtime = time (NULL);
255 loctime = localtime (&curtime);
256 dict[1].value = asctime (loctime);
258 char *cp = strchr (dict[1].value, '\n');
263 /* PORTME: Determine username, net address. */
265 dict[2].value = getenv ("LOGNAME");
267 dict[2].value = getlogin ();
269 dict[2].value = _("nobody");
271 if (gethostname (host, 128) == -1)
273 if (errno == ENAMETOOLONG)
276 strcpy (host, _("nowhere"));
278 dict[3].value = host;
279 #else /* !HAVE_UNISTD_H */
280 dict[2].value = _("nobody");
281 dict[3].value = _("nowhere");
282 #endif /* !HAVE_UNISTD_H */
284 dict[4].value = outp_title ? outp_title : "";
285 dict[5].value = outp_subtitle ? outp_subtitle : "";
287 getl_location (&dict[6].value, NULL);
288 if (dict[6].value == NULL)
289 dict[6].value = "<stdin>";
292 while (-1 != getline (&buf, &buf_size, prologue_file))
297 if (strstr (buf, "!!!"))
301 char *cp = strstr (buf, "!title");
304 if (outp_title == NULL)
312 char *cp = strstr (buf, "!subtitle");
315 if (outp_subtitle == NULL)
322 /* PORTME: Line terminator. */
323 buf2 = fn_interp_vars (buf, html_get_var);
325 fwrite (buf2, len, 1, f->file);
326 if (buf2[len - 1] != '\n')
327 putc ('\n', f->file);
330 if (ferror (f->file))
331 msg (IE, _("Reading `%s': %s."), prologue_fn, strerror (errno));
332 fclose (prologue_file);
337 if (ferror (f->file))
340 msg (VM (2), _("%s: HTML prologue read successfully."), this->name);
344 msg (VM (1), _("%s: Error reading HTML prologue."), this->name);
348 /* Writes the HTML epilogue to file F. */
350 preclose (struct file_ext *f)
355 "<!-- end of file -->\n");
357 if (ferror (f->file))
363 html_open_page (struct outp_driver *this)
365 struct html_driver_ext *x = this->ext;
367 assert (this->driver_open && this->page_open == 0);
369 if (!fn_open_ext (&x->file))
372 msg (ME, _("HTML output driver: %s: %s"), x->file.filename,
377 if (!ferror (x->file.file))
379 return !ferror (x->file.file);
383 html_close_page (struct outp_driver *this)
385 struct html_driver_ext *x = this->ext;
387 assert (this->driver_open && this->page_open);
389 return !ferror (x->file.file);
392 static void output_tab_table (struct outp_driver *, struct tab_table *);
395 html_submit (struct outp_driver *this, struct som_table *s)
397 extern struct som_table_class tab_table_class;
398 struct html_driver_ext *x = this->ext;
400 assert (this->driver_open && this->page_open);
401 if (x->sequence_no == 0 && !html_open_page (this))
403 msg (ME, _("Cannot open first page on HTML device %s."), this->name);
407 if (s->class == &tab_table_class)
408 output_tab_table (this, (struct tab_table *) s->ext);
413 /* Write string S of length LEN to file F, escaping characters as
414 necessary for HTML. */
416 escape_string (FILE *f, char *s, int len)
421 for (bp = cp = s; bp < ep; bp = cp)
423 while (cp < ep && *cp != '&' && *cp != '<' && *cp != '>' && *cp)
426 fwrite (bp, 1, cp - bp, f);
447 /* Write table T to THIS output driver. */
449 output_tab_table (struct outp_driver *this, struct tab_table *t)
451 struct html_driver_ext *x = this->ext;
453 if (t->nr == 1 && t->nc == 1)
455 fputs ("<P>", x->file.file);
456 if (!ls_empty_p (t->cc))
457 escape_string (x->file.file, ls_c_str (t->cc), ls_length (t->cc));
458 fputs ("</P>\n", x->file.file);
463 fputs ("<TABLE BORDER=1>\n", x->file.file);
465 if (!ls_empty_p (&t->title))
467 fprintf (x->file.file, " <TR>\n <TH COLSPAN=%d>", t->nc);
468 escape_string (x->file.file, ls_c_str (&t->title),
469 ls_length (&t->title));
470 fputs ("</TH>\n </TR>\n", x->file.file);
475 unsigned char *ct = t->ct;
477 for (r = 0; r < t->nr; r++)
481 fputs (" <TR>\n", x->file.file);
482 for (c = 0; c < t->nc; c++, ct++)
484 struct len_string *cc;
488 struct tab_joined_cell *j = NULL;
490 cc = t->cc + c + r * t->nc;
493 j = (struct tab_joined_cell *) ls_c_str (cc);
495 if (j->x1 != c || j->y1 != r)
499 if (r < t->t || r >= t->nr - t->b
500 || c < t->l || c >= t->nc - t->r)
504 cp = stpcpy (header, " <T");
507 switch (*ct & TAB_ALIGN_MASK)
510 cp = stpcpy (cp, " ALIGN=RIGHT");
515 cp = stpcpy (cp, " ALIGN=CENTER");
523 if (j->x2 - j->x1 > 1)
524 cp = spprintf (cp, " COLSPAN=%d", j->x2 - j->x1);
525 if (j->y2 - j->y1 > 1)
526 cp = spprintf (cp, " ROWSPAN=%d", j->y2 - j->y1);
532 fputs (header, x->file.file);
534 if ( ! (*ct & TAB_EMPTY) )
536 char *s = ls_c_str (cc);
537 size_t l = ls_length (cc);
539 while (l && isspace ((unsigned char) *s))
545 escape_string (x->file.file, s, l);
548 fprintf (x->file.file, "</T%c>\n", tag);
550 fputs (" </TR>\n", x->file.file);
554 fputs ("</TABLE>\n\n", x->file.file);
557 /* HTML driver class. */
558 struct outp_class html_class =
570 html_postopen_driver,
598 #endif /* !NO_HTML */