/[public]/psiconv/trunk/lib/psiconv/gen_html.c
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Annotation of /psiconv/trunk/lib/psiconv/gen_html.c

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Revision 2 - (hide annotations)
Sun Oct 3 21:10:47 1999 UTC (24 years, 6 months ago) by frodo
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Imported sources

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

frodo@frodo.looijaard.name
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