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

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Revision 20 - (show annotations)
Wed Oct 27 15:05:03 1999 UTC (20 years, 3 months ago) by frodo
File MIME type: text/plain
File size: 12870 byte(s)
(Frodo) Some IRIX compatibility issues fixed, as well as some compiler
        warnings

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

frodo@frodo.looijaard.name
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