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Revision 14 - (hide annotations)
Mon Oct 11 19:17:17 1999 UTC (20 years, 5 months ago) by frodo
File MIME type: text/plain
File size: 12760 byte(s)
(Frodo) Moved generation stuff out of the library into psiconv

1 frodo 14 /*
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     color, /* color */
98     back_color, /* 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     font, /* font */
106     };
107     return psiconv_clone_character_layout(&base_char_struct);
108     }
109    
110     /* flags & 1: 0 if no <FONT> was yet generated.
111     flags & 2: 1 if at end-of-paragraph
112     */
113     void diff_char(FILE *of, const psiconv_character_layout old,
114     const psiconv_character_layout new,
115     int *flags)
116     {
117     int font_set = 0;
118    
119     if ((old->font_size != new->font_size) ||
120     (old->color->red != new->color->red) ||
121     (old->color->green != new->color->green) ||
122     (old->color->blue != new->color->blue) ||
123     (strcmp(old->font->name,new->font->name)) ||
124     (old->font->screenfont != new->font->screenfont) ||
125     ((*flags & 0x03) == 3)) {
126     if (old->italic)
127     fputs("</I>",of);
128     if (old->bold)
129     fputs("</B>",of);
130     if (old->underline)
131     fputs("</U>",of);
132     if (old->strike_out)
133     fputs("</STRIKE>",of);
134     if (old->super_sub == psiconv_superscript)
135     fputs("</SUP>",of);
136     if (old->super_sub == psiconv_subscript)
137     fputs("</SUB>",of);
138     if ((*flags & 1) == 1)
139     fputs("</FONT>",of);
140     if ((*flags & 2) == 0) {
141     *flags |= 1;
142     fputs("<FONT SIZE=",of);
143     if (new->font_size <= 8.0)
144     fputs("1",of);
145     else if (new->font_size <= 10.0)
146     fputs("2",of);
147     else if (new->font_size <= 12.0)
148     fputs("3",of);
149     else if (new->font_size <= 14.0)
150     fputs("4",of);
151     else if (new->font_size <= 18.0)
152     fputs("5",of);
153     else if (new->font_size <= 24.0)
154     fputs("6",of);
155     else
156     fputs("7",of);
157     fprintf(of," COLOR=#%02x%02x%02x",new->color->red,new->color->green,
158     new->color->blue);
159     if (new->font->screenfont == 1)
160     fprintf(of," FACE=\"%s, Sans-Serif\">",new->font->name);
161     else if (new->font->screenfont == 2)
162     fprintf(of," FACE=\"%s, Monospace\">",new->font-> name);
163     else if (new->font->screenfont == 3)
164     fprintf(of," FACE=\"%s, Serif\">",new->font-> name);
165     else
166     fprintf(of," FACE=\"%s, Serif\">",new->font-> name);
167     }
168     if (new->italic)
169     fputs("<I>",of);
170     if (new->bold)
171     fputs("<B>",of);
172     if (new->underline)
173     fputs("<U>",of);
174     if (new->strike_out)
175     fputs("<STRIKE>",of);
176     if (new->super_sub == psiconv_superscript)
177     fputs("<SUP>",of);
178     if (new->super_sub == psiconv_subscript)
179     fputs("<SUB>",of);
180     } else {
181     if (font_set || (old->italic != new->italic)) {
182     if (old->italic)
183     fputs("</I>",of);
184     else
185     fputs("<I>",of);
186     }
187     if (old->bold != new->bold) {
188     if (old->bold)
189     fputs("</B>",of);
190     else
191     fputs("<B>",of);
192     }
193     if (old->underline != new->underline) {
194     if (old->underline)
195     fputs("</U>",of);
196     else
197     fputs("<U>",of);
198     }
199     if (old->strike_out != new->strike_out) {
200     if (old->strike_out)
201     fputs("</STRIKE>",of);
202     else
203     fputs("<STRIKE>",of);
204     }
205     if (old->super_sub != new->super_sub) {
206     if (old->super_sub == psiconv_superscript)
207     fputs("</SUP>",of);
208     else if (old->super_sub == psiconv_subscript)
209     fputs("</SUB>",of);
210     if (new->super_sub == psiconv_superscript)
211     fputs("<SUP>",of);
212     else if (new->super_sub == psiconv_subscript)
213     fputs("<SUB>",of);
214     }
215     }
216     }
217    
218     void gen_para(FILE *of, const psiconv_paragraph para,
219     const psiconv_character_layout base_char)
220     {
221     int i,j,loc;
222     psiconv_character_layout cur_char;
223     psiconv_in_line_layout inl;
224     int flags = 0;
225    
226    
227     fputs("<P",of);
228     if (para->base_paragraph->justify_hor == psiconv_justify_left)
229     fputs(" ALIGN=left",of);
230     else if (para->base_paragraph->justify_hor == psiconv_justify_right)
231     fputs(" ALIGN=right",of);
232     else if (para->base_paragraph->justify_hor == psiconv_justify_centre)
233     fputs(" ALIGN=center",of);
234     else if (para->base_paragraph->justify_hor == psiconv_justify_full)
235     fputs(" ALIGN=left",of);
236     fputs(">",of);
237     if (para->base_paragraph->bullet->on)
238     fputs("<UL><LI>",of);
239    
240     cur_char = base_char;
241    
242     if (psiconv_list_length(para->in_lines) == 0) {
243     diff_char(of,cur_char,para->base_character,&flags);
244     cur_char = para->base_character;
245     }
246     loc = 0;
247    
248     for (i = 0; i < psiconv_list_length(para->in_lines); i++) {
249     inl = psiconv_list_get(para->in_lines,i);
250     diff_char(of,cur_char,inl->layout,&flags);
251     cur_char = inl->layout;
252     for (j = loc; j < inl->length + loc; j ++) {
253     fputs(char_table[(unsigned char) (para->text[j])],of);
254     }
255     loc = j;
256     }
257    
258     if (loc < strlen(para->text)) {
259     diff_char(of,cur_char,para->base_character,&flags);
260     cur_char = para->base_character;
261     for (j = loc; j < strlen(para->text); j ++) {
262     fputs(char_table[(unsigned char) (para->text[j])],of);
263     }
264     }
265    
266     if (strlen(para->text) == 0)
267     fputs("<BR>",of);
268    
269     flags |= 2;
270     diff_char(of,cur_char,base_char,&flags);
271    
272     if (para->base_paragraph->bullet->on)
273     fputs("</UL>",of);
274    
275     fputs("</P>\n",of);
276     }
277    
278     void psiconv_gen_html(FILE *of,psiconv_file file)
279     {
280     if (file->type == psiconv_word_file)
281     psiconv_gen_html_word(of,(psiconv_word_f) file->file);
282     else if (file->type == psiconv_texted_file)
283     psiconv_gen_html_texted(of,(psiconv_texted_f) file->file);
284     else
285     return;
286     }
287    
288     void psiconv_gen_html_texted(FILE *of,psiconv_texted_f tf)
289     {
290     psiconv_character_layout base_char;
291     psiconv_paragraph para;
292     int i;
293    
294     /* We have nothing better */
295     base_char = psiconv_basic_character_layout();
296    
297     fputs("<!doctype html public \"-//W3C//DTD HTML 3.2 Final//EN\">", of);
298     fputs("\n<HTML>\n<HEAD>\n <META NAME=\"GENERATOR\"", of);
299     fputs(" CONTENT=\"psiconv-" VERSION "\">\n", of);
300     fputs("<BODY>\n",of);
301     for (i = 0; i < psiconv_list_length(tf->texted_sec->paragraphs); i++) {
302     para = psiconv_list_get(tf->texted_sec->paragraphs,i);
303     gen_para(of,para,base_char);
304     }
305     fputs("</BODY>\n</HTML>\n",of);
306     psiconv_free_character_layout(base_char);
307     }
308    
309    
310     void psiconv_gen_html_word(FILE *of,psiconv_word_f wf)
311     {
312     int i;
313     psiconv_paragraph para;
314     psiconv_color white,black;
315     psiconv_character_layout base_char;
316    
317     white = malloc(sizeof(*white));
318     black = malloc(sizeof(*black));
319     white->red = 0x00;
320     white->green = 0x00;
321     white->blue = 0x00;
322     black->red = 0xff;
323     black->green = 0xff;
324     black->blue = 0xff;
325    
326     /* To keep from generating a font desc for each line */
327     base_char = gen_base_char(wf->styles_sec->normal->character->font,
328     black,white);
329    
330     psiconv_free_color(black);
331     psiconv_free_color(white);
332    
333     fputs("<!doctype html public \"-//W3C//DTD HTML 3.2 Final//EN\">", of);
334     fputs("\n<HTML>\n<HEAD>\n <META NAME=\"GENERATOR\"", of);
335     fputs(" CONTENT=\"psiconv-" VERSION "\">\n", of);
336     fputs("<BODY>\n",of);
337    
338     for (i = 0; i < psiconv_list_length(wf->paragraphs); i++) {
339     para = psiconv_list_get(wf->paragraphs,i);
340     gen_para(of,para,base_char);
341     }
342     fputs("</BODY>\n</HTML>\n",of);
343     psiconv_free_character_layout(base_char);
344     }
345    
346    

frodo@frodo.looijaard.name
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