/[public]/psiconv/trunk/program/psiconv/gen_html.c
ViewVC logotype

Contents of /psiconv/trunk/program/psiconv/gen_html.c

Parent Directory Parent Directory | Revision Log Revision Log


Revision 142 - (show annotations)
Tue Jan 29 18:38:38 2002 UTC (17 years, 9 months ago) by frodo
File MIME type: text/plain
File size: 13417 byte(s)
(Frodo) DMALLOC support

1 /*
2 gen_html.c - Part of psiconv, a PSION 5 file formats converter
3 Copyright (c) 1999 Frodo Looijaard <frodol@dds.nl>
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
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., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
19
20 #include "config.h"
21 #include <stdio.h>
22 #include <string.h>
23 #include <stdlib.h>
24 #include "psiconv/data.h"
25 #include "psiconv/list.h"
26 #include "gen.h"
27 #include "psiconv.h"
28
29 #ifdef DMALLOC
30 #include "dmalloc.h"
31 #endif
32
33 /* This determines for each character how it is displayed */
34 static const char *char_table[0x100] =
35 {
36 /* 0x00 */ "" ,"" ,"" ,"" ,"" ,"" ,"<P> ","<BR>" ,
37 /* 0x08 */ "<P>" ," " ,"" ,"" ,"" ,"" ,"" ,"" ,
38 /* 0x10 */ " " ,"" ,"" ,"" ,"" ,"" ,"" ,"" ,
39 /* 0x18 */ "" ,"" ,"" ,"" ,"" ,"" ,"" ,"" ,
40 /* 0x20 */ " " ,"!" ,"&quot;","#" ,"$" ,"%" ,"&amp;","'" ,
41 /* 0x28 */ "(" ,")" ,"*" ,"+" ,"," ,"-" ,"." ,"/" ,
42 /* 0x30 */ "0" ,"1" ,"2" ,"3" ,"4" ,"5" ,"6" ,"7" ,
43 /* 0x38 */ "8" ,"9" ,":" ,";" ,"&lt;" ,"=" ,"&gt;" ,"?" ,
44 /* 0x40 */ "@" ,"A" ,"B" ,"C" ,"D" ,"E" ,"F" ,"G" ,
45 /* 0x48 */ "H" ,"I" ,"J" ,"K" ,"L" ,"M" ,"N" ,"O" ,
46 /* 0x50 */ "P" ,"Q" ,"R" ,"S" ,"T" ,"U" ,"V" ,"W" ,
47 /* 0x58 */ "X" ,"Y" ,"Z" ,"[" ,"\\" ,"]" ,"^" ,"_" ,
48 /* 0x60 */ "`" ,"a" ,"b" ,"c" ,"d" ,"e" ,"f" ,"g" ,
49 /* 0x68 */ "h" ,"i" ,"j" ,"k" ,"l" ,"m" ,"n" ,"o" ,
50 /* 0x70 */ "p" ,"q" ,"r" ,"s" ,"t" ,"u" ,"v" ,"w" ,
51 /* 0x78 */ "x" ,"y" ,"z" ,"{" ,"|" ,"}" ,"~" ,"" ,
52 /* 0x80 */ "" ,"","&sbquot;","&fnof;","&bdquo;","&hellip;",
53 "&dagger;","&Dagger;",
54 /* 0x88 */ "^","&permil;","&Scaron;","&lang;","&OElig;","" ,"" ,"" ,
55 /* 0x90 */ "","&lsquo;","&rsquo;","&ldquo;","&rdquo;",
56 "&middot;","&ndash","&mdash",
57 /* 0x98 */ "&tilde;","&trade;","&scaron;","&rang;","&oelig;","","","&Yuml;",
58 /* 0xa0 */ "","&iexcl;","&cent;","&pound;",
59 "&curren;","&yen;","&brvbar;","&sect",
60 /* 0xa8 */ "&quot;","&copy;","a","&laquo;","&not;","-","&reg;","&macron;",
61 /* 0xb0 */ "&deg;","&plusmn;","&sup2;","&sup3;",
62 "&rsquot;","&micron;","&para;","&middot;",
63 /* 0xb8 */ "&comma;","&sup1","&deg;","&raquo;",
64 "&frac14;","&frac12;","&frac34;","&iquest;",
65 /* 0xc0 */ "&Agrave;","&Aacute;","&Acirc;","&Atilde;",
66 "&Auml;","&Aring;","&AElig;","&Ccedil;",
67 /* 0xc8 */ "&Egrave;","&Eacute;","&Ecirc;","&Euml;",
68 "&Igrave;","&Iacute;","&Icirc;","&Iuml;",
69 /* 0xd0 */ "&ETH;","&Ntilde;","&Ograve;","&Oacute;",
70 "&Ocirc;","&Otilde;","&Ouml;","&times;",
71 /* 0xd8 */ "&Oslash;","&Ugrave;","&Uacute;","&Ucirc;",
72 "&Uuml;","&Yacute;","&THORN;","&szlig;",
73 /* 0xe0 */ "&agrave;","&aacute;","&acirc;","&atilde;",
74 "&auml;","&aring;","&aelig;","&ccedil;",
75 /* 0xe8 */ "&egrave;","&eacute;","&ecirc;","&euml;",
76 "&igrave;","&iacute;","&icirc;","&iuml;",
77 /* 0xf0 */ "&eth;","&ntilde;","&ograve;","&oacute;",
78 "&ocirc;","&otilde;","&ouml;","&divide;",
79 /* 0xf8 */ "&oslash;","&ugrave;","&uacute;","&ucirc;",
80 "&uuml;","&yacute;","&thorn;","&yuml;"
81 };
82
83 static psiconv_character_layout gen_base_char(const psiconv_font font,
84 const psiconv_color color,
85 const psiconv_color back_color);
86 static void diff_char(FILE *of, const psiconv_character_layout old,
87 const psiconv_character_layout new, int *flags);
88 static void gen_para(FILE *of, const psiconv_paragraph para,
89 const psiconv_character_layout base_char);
90
91 static void psiconv_gen_html_word(FILE *of,psiconv_word_f wf);
92 static void psiconv_gen_html_texted(FILE *of,psiconv_texted_f tf);
93
94 /* This is not necessarily the same as returned by basic_character_layout_status
95 This one is specific for the base point of HTML */
96 psiconv_character_layout gen_base_char(const psiconv_font font,
97 const psiconv_color color,
98 const psiconv_color back_color)
99 {
100 struct psiconv_character_layout_s base_char_struct =
101 {
102 NULL, /* color */
103 NULL, /* back_color */
104 13.0, /* font_size */
105 psiconv_bool_false, /* italic */
106 psiconv_bool_false, /* bold */
107 psiconv_normalscript, /* super_sub */
108 psiconv_bool_false, /* underline */
109 psiconv_bool_false, /* strikethrough */
110 NULL, /* font */
111 };
112 base_char_struct.color = color;
113 base_char_struct.back_color = back_color;
114 base_char_struct.font = font;
115 return psiconv_clone_character_layout(&base_char_struct);
116 }
117
118 /* flags & 1: 0 if no <FONT> was yet generated.
119 flags & 2: 1 if at end-of-paragraph
120 */
121 void diff_char(FILE *of, const psiconv_character_layout old,
122 const psiconv_character_layout new,
123 int *flags)
124 {
125 int font_set = 0;
126
127 if ((old->font_size != new->font_size) ||
128 (old->color->red != new->color->red) ||
129 (old->color->green != new->color->green) ||
130 (old->color->blue != new->color->blue) ||
131 (strcmp(old->font->name,new->font->name)) ||
132 (old->font->screenfont != new->font->screenfont) ||
133 ((*flags & 0x03) == 3)) {
134 if (old->italic)
135 fputs("</I>",of);
136 if (old->bold)
137 fputs("</B>",of);
138 if (old->underline)
139 fputs("</U>",of);
140 if (old->strikethrough)
141 fputs("</STRIKE>",of);
142 if (old->super_sub == psiconv_superscript)
143 fputs("</SUP>",of);
144 if (old->super_sub == psiconv_subscript)
145 fputs("</SUB>",of);
146 if ((*flags & 1) == 1)
147 fputs("</FONT>",of);
148 if ((*flags & 2) == 0) {
149 *flags |= 1;
150 fputs("<FONT SIZE=",of);
151 if (new->font_size <= 8.0)
152 fputs("1",of);
153 else if (new->font_size <= 10.0)
154 fputs("2",of);
155 else if (new->font_size <= 12.0)
156 fputs("3",of);
157 else if (new->font_size <= 14.0)
158 fputs("4",of);
159 else if (new->font_size <= 18.0)
160 fputs("5",of);
161 else if (new->font_size <= 24.0)
162 fputs("6",of);
163 else
164 fputs("7",of);
165 fprintf(of," COLOR=#%02x%02x%02x",new->color->red,new->color->green,
166 new->color->blue);
167 if (new->font->screenfont == psiconv_font_sansserif)
168 fprintf(of," FACE=\"%s, Sans-Serif\">",new->font->name);
169 else if (new->font->screenfont == psiconv_font_nonprop)
170 fprintf(of," FACE=\"%s, Monospace\">",new->font-> name);
171 else if (new->font->screenfont == psiconv_font_serif)
172 fprintf(of," FACE=\"%s, Serif\">",new->font-> name);
173 else
174 fprintf(of," FACE=\"%s, Serif\">",new->font-> name);
175 }
176 if (new->italic)
177 fputs("<I>",of);
178 if (new->bold)
179 fputs("<B>",of);
180 if (new->underline)
181 fputs("<U>",of);
182 if (new->strikethrough)
183 fputs("<STRIKE>",of);
184 if (new->super_sub == psiconv_superscript)
185 fputs("<SUP>",of);
186 if (new->super_sub == psiconv_subscript)
187 fputs("<SUB>",of);
188 } else {
189 if (font_set || (old->italic != new->italic)) {
190 if (old->italic)
191 fputs("</I>",of);
192 else
193 fputs("<I>",of);
194 }
195 if (old->bold != new->bold) {
196 if (old->bold)
197 fputs("</B>",of);
198 else
199 fputs("<B>",of);
200 }
201 if (old->underline != new->underline) {
202 if (old->underline)
203 fputs("</U>",of);
204 else
205 fputs("<U>",of);
206 }
207 if (old->strikethrough != new->strikethrough) {
208 if (old->strikethrough)
209 fputs("</STRIKE>",of);
210 else
211 fputs("<STRIKE>",of);
212 }
213 if (old->super_sub != new->super_sub) {
214 if (old->super_sub == psiconv_superscript)
215 fputs("</SUP>",of);
216 else if (old->super_sub == psiconv_subscript)
217 fputs("</SUB>",of);
218 if (new->super_sub == psiconv_superscript)
219 fputs("<SUP>",of);
220 else if (new->super_sub == psiconv_subscript)
221 fputs("<SUB>",of);
222 }
223 }
224 }
225
226 void gen_para(FILE *of, const psiconv_paragraph para,
227 const psiconv_character_layout base_char)
228 {
229 int i,j,loc;
230 psiconv_character_layout cur_char;
231 psiconv_in_line_layout inl;
232 int flags = 0;
233
234
235 fputs("<P",of);
236 if (para->base_paragraph->justify_hor == psiconv_justify_left)
237 fputs(" ALIGN=left",of);
238 else if (para->base_paragraph->justify_hor == psiconv_justify_right)
239 fputs(" ALIGN=right",of);
240 else if (para->base_paragraph->justify_hor == psiconv_justify_centre)
241 fputs(" ALIGN=center",of);
242 else if (para->base_paragraph->justify_hor == psiconv_justify_full)
243 fputs(" ALIGN=left",of);
244 fputs(">",of);
245 if (para->base_paragraph->bullet->on)
246 fputs("<UL><LI>",of);
247
248 cur_char = base_char;
249
250 if (psiconv_list_length(para->in_lines) == 0) {
251 diff_char(of,cur_char,para->base_character,&flags);
252 cur_char = para->base_character;
253 }
254 loc = 0;
255
256 for (i = 0; i < psiconv_list_length(para->in_lines); i++) {
257 inl = psiconv_list_get(para->in_lines,i);
258 diff_char(of,cur_char,inl->layout,&flags);
259 cur_char = inl->layout;
260 for (j = loc; j < inl->length + loc; j ++) {
261 fputs(char_table[(unsigned char) (para->text[j])],of);
262 }
263 loc = j;
264 }
265
266 if (loc < strlen(para->text)) {
267 diff_char(of,cur_char,para->base_character,&flags);
268 cur_char = para->base_character;
269 for (j = loc; j < strlen(para->text); j ++) {
270 fputs(char_table[(unsigned char) (para->text[j])],of);
271 }
272 }
273
274 if (strlen(para->text) == 0)
275 fputs("<BR>",of);
276
277 flags |= 2;
278 diff_char(of,cur_char,base_char,&flags);
279
280 if (para->base_paragraph->bullet->on)
281 fputs("</UL>",of);
282
283 fputs("</P>\n",of);
284 }
285
286 int psiconv_gen_html(const char * filename,const psiconv_file file,
287 const char *dest)
288 {
289 FILE *of = fopen(filename,"w");
290 if (! of)
291 return -1;
292
293 if (file->type == psiconv_word_file) {
294 psiconv_gen_html_word(of,(psiconv_word_f) file->file);
295 } else if (file->type == psiconv_texted_file) {
296 psiconv_gen_html_texted(of,(psiconv_texted_f) file->file);
297 } else {
298 fclose(of);
299 return -1;
300 }
301 return fclose(of);
302 }
303
304 void psiconv_gen_html_texted(FILE *of,psiconv_texted_f tf)
305 {
306 psiconv_character_layout base_char;
307 psiconv_paragraph para;
308 int i;
309
310 /* We have nothing better */
311 base_char = psiconv_basic_character_layout();
312
313 fputs("<!doctype html public \"-//W3C//DTD HTML 3.2 Final//EN\">", of);
314 fputs("\n<HTML>\n<HEAD>\n <META NAME=\"GENERATOR\"", of);
315 fputs(" CONTENT=\"psiconv-" VERSION "\">\n", of);
316 fputs("<BODY>\n",of);
317 for (i = 0; i < psiconv_list_length(tf->texted_sec->paragraphs); i++) {
318 para = psiconv_list_get(tf->texted_sec->paragraphs,i);
319 gen_para(of,para,base_char);
320 }
321 fputs("</BODY>\n</HTML>\n",of);
322 psiconv_free_character_layout(base_char);
323 }
324
325
326 void psiconv_gen_html_word(FILE *of,psiconv_word_f wf)
327 {
328 int i;
329 psiconv_paragraph para;
330 psiconv_color white,black;
331 psiconv_character_layout base_char;
332
333 white = malloc(sizeof(*white));
334 black = malloc(sizeof(*black));
335 white->red = 0x00;
336 white->green = 0x00;
337 white->blue = 0x00;
338 black->red = 0xff;
339 black->green = 0xff;
340 black->blue = 0xff;
341
342 /* To keep from generating a font desc for each line */
343 base_char = gen_base_char(wf->styles_sec->normal->character->font,
344 black,white);
345
346 psiconv_free_color(black);
347 psiconv_free_color(white);
348
349 fputs("<!doctype html public \"-//W3C//DTD HTML 3.2 Final//EN\">", of);
350 fputs("\n<HTML>\n<HEAD>\n <META NAME=\"GENERATOR\"", of);
351 fputs(" CONTENT=\"psiconv-" VERSION "\">\n", of);
352 fputs("<BODY>\n",of);
353
354 for (i = 0; i < psiconv_list_length(wf->paragraphs); i++) {
355 para = psiconv_list_get(wf->paragraphs,i);
356 gen_para(of,para,base_char);
357 }
358 fputs("</BODY>\n</HTML>\n",of);
359 psiconv_free_character_layout(base_char);
360 }
361
362 static struct psiconv_fileformat_s ff =
363 {
364 "HTML3",
365 "HTML 3.2, not verified so probably not completely compliant",
366 &psiconv_gen_html
367 };
368
369 void init_html(void)
370 {
371 psiconv_list_add(fileformat_list,&ff);
372 }

frodo@frodo.looijaard.name
ViewVC Help
Powered by ViewVC 1.1.26