/[public]/psiconv/trunk/program/psiconv/gen_rtf.c
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Revision 142 - (hide annotations)
Tue Jan 29 18:38:38 2002 UTC (22 years, 2 months ago) by frodo
File MIME type: text/plain
File size: 17747 byte(s)
(Frodo) DMALLOC support

1 frodo 14 /*
2     * gen_rtf.c - Part of psiconv, a PSION 5 file formats converter
3     * Copyright (c) 1999 Andrew Johnson <anjohnson@iee.org>
4     * Portions Copyright (c) 1999 Frodo Looijaard <frodol@dds.nl>
5     *
6     * This program is free software; you can redistribute it and/or modify
7     * it under the terms of the GNU General Public License as published by
8     * the Free Software Foundation; either version 2 of the License, or
9     * (at your option) any later version.
10     *
11     * This program is distributed in the hope that it will be useful,
12     * but WITHOUT ANY WARRANTY; without even the implied warranty of
13     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14     * GNU General Public License for more details.
15     *
16     * You should have received a copy of the GNU General Public License
17     * along with this program; if not, write to the Free Software
18     * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19     */
20    
21     #include "config.h"
22 frodo 20 #include "compat.h"
23 frodo 14 #include <stdio.h>
24     #include <string.h>
25 frodo 58 #include "psiconv/data.h"
26     #include "psiconv/list.h"
27 frodo 14 #include "gen.h"
28 frodo 34 #include "psiconv.h"
29 frodo 14
30 frodo 142 #ifdef DMALLOC
31     #include "dmalloc.h"
32     #endif
33 frodo 14
34 frodo 142
35 frodo 14 /*
36     * Various string tables for RTF settings
37     */
38    
39     /* Character conversion table */
40     /* TO BE ADJUSTED FOR RTF! */
41     static const char *char_table[0x100] = {
42     /* 0x00 */ "", "", "", "", "", "", "\n", "\n",
43     /* 0x08 */ "\n", "\t", "", "", "", "", "", "",
44     /* 0x10 */ " ", "", "", "", "", "", "", "",
45     /* 0x18 */ "", "", "", "", "", "", "", "",
46     /* 0x20 */ " ", "!", "\"", "#", "$", "%", "&", "'",
47     /* 0x28 */ "(", ")", "*", "+", ",", "-", ".", "/",
48     /* 0x30 */ "0", "1", "2", "3", "4", "5", "6", "7",
49     /* 0x38 */ "8", "9", ":", ";", "<", "=", ">", "?",
50     /* 0x40 */ "@", "A", "B", "C", "D", "E", "F", "G",
51     /* 0x48 */ "H", "I", "J", "K", "L", "M", "N", "O",
52     /* 0x50 */ "P", "Q", "R", "S", "T", "U", "V", "W",
53     /* 0x58 */ "X", "Y", "Z", "[", "\\", "]", "^", "_",
54     /* 0x60 */ "`", "a", "b", "c", "d", "e", "f", "g",
55     /* 0x68 */ "h", "i", "j", "k", "l", "m", "n", "o",
56     /* 0x70 */ "p", "q", "r", "s", "t", "u", "v", "w",
57     /* 0x78 */ "x", "y", "z", "{", "|", "}", "~", "",
58     /* 0x80 */ "", "", ",", "f", ",,", "...", "+", "#",
59     /* 0x88 */ "^", "\176/oo","S", "<", "OE", "", "", "",
60     /* 0x90 */ "", "`", "'", "``", "''", "*", "-", "--",
61     /* 0x98 */ "~", "(TM)", "s", ">", "oe", "", "", "Y",
62     /* 0xa0 */ "\xa0", "\xa1", "\xa2", "\xa3", "\xa4", "\xa5", "\xa6", "\xa7",
63     /* 0xa8 */ "\xa8", "\xa9", "\xaa", "\xab", "\xac", "\xad", "\xae", "\xaf",
64     /* 0xb0 */ "\xb0", "\xb1", "\xb2", "\xb3", "\xb4", "\xb5", "\xb6", "\xb7",
65     /* 0xb8 */ "\xb8", "\xb9", "\xba", "\xbb", "\xbc", "\xbd", "\xbe", "\xbf",
66     /* 0xc0 */ "\xc0", "\xc1", "\xc2", "\xc3", "\xc4", "\xc5", "\xc6", "\xc7",
67     /* 0xc8 */ "\xc8", "\xc9", "\xca", "\xcb", "\xcc", "\xcd", "\xce", "\xcf",
68     /* 0xd0 */ "\xd0", "\xd1", "\xd2", "\xd3", "\xd4", "\xd5", "\xd6", "\xd7",
69     /* 0xd8 */ "\xd8", "\xd9", "\xda", "\xdb", "\xdc", "\xdd", "\xde", "\xdf",
70     /* 0xe0 */ "\xe0", "\xe1", "\xe2", "\xe3", "\xe4", "\xe5", "\xe6", "\xe7",
71     /* 0xe8 */ "\xe8", "\xe9", "\xea", "\xeb", "\xec", "\xed", "\xee", "\xef",
72     /* 0xf0 */ "\xf0", "\xf1", "\xf2", "\xf3", "\xf4", "\xf5", "\xf6", "\xf7",
73     /* 0xf8 */ "\xf8", "\xf9", "\xfa", "\xfb", "\xfc", "\xfd", "\xfe", "\xff",
74     };
75    
76    
77    
78     static void fput_text(FILE * of, const char *text, int length) {
79     int j;
80    
81     for (j = 0; j < length; j++) {
82     fputs(char_table[(unsigned char) (text[j])], of);
83     }
84     }
85    
86     static int length_to_twips(psiconv_length_t len)
87     {
88     return 1440.0 / 2.54 * len;
89     }
90    
91     static int lookup_color(psiconv_list colors,psiconv_color color)
92     {
93     int i;
94     psiconv_color comp;
95     for (i = 0; i < psiconv_list_length(colors); i ++) {
96     comp = * (psiconv_color *) psiconv_list_get(colors,i);
97     if ((comp->red == color->red) && (comp->green == color->green) &&
98     (comp->blue == color->blue))
99     return i;
100     }
101     return -1;
102     }
103    
104     static void add_color(psiconv_list colors, psiconv_color color)
105     {
106     if (color)
107     if (lookup_color(colors,color) < 0)
108     psiconv_list_add(colors,&color);
109     }
110    
111     static int lookup_font(psiconv_list fonts,psiconv_font font)
112     {
113     int i;
114     psiconv_font comp;
115     for (i = 0; i < psiconv_list_length(fonts); i ++) {
116     comp = *(psiconv_font *) psiconv_list_get(fonts,i);
117     if ((comp->screenfont == font->screenfont) &&
118     ! strcmp(comp->name,font->name))
119     return i;
120     }
121     return -1;
122     }
123    
124     static void add_font(psiconv_list fonts, psiconv_font font)
125     {
126     if (font)
127     if (lookup_font(fonts,font) < 0)
128     psiconv_list_add(fonts,&font);
129     }
130    
131     static void scan_border(psiconv_list colors,psiconv_list fonts,
132     psiconv_border sec)
133     {
134     if (sec) {
135     add_color(colors,sec->color);
136     }
137     }
138    
139     static void scan_bullet(psiconv_list colors,psiconv_list fonts,
140     psiconv_bullet sec)
141     {
142     if (sec) {
143     add_color(colors,sec->color);
144     add_font(fonts,sec->font);
145     }
146     }
147    
148     static void scan_paragraph_layout(psiconv_list colors,psiconv_list fonts,
149     psiconv_paragraph_layout sec)
150     {
151     if (sec) {
152     add_color(colors,sec->back_color);
153     scan_bullet(colors,fonts,sec->bullet);
154     scan_border(colors,fonts,sec->left_border);
155     scan_border(colors,fonts,sec->right_border);
156     scan_border(colors,fonts,sec->top_border);
157     scan_border(colors,fonts,sec->bottom_border);
158     }
159     }
160    
161     static void scan_character_layout(psiconv_list colors,psiconv_list fonts,
162     psiconv_character_layout sec)
163     {
164     if (sec) {
165     add_color(colors,sec->color);
166     add_color(colors,sec->back_color);
167     add_font(fonts,sec->font);
168     }
169     }
170    
171     static void scan_in_line_layout(psiconv_list colors,psiconv_list fonts,
172     psiconv_in_line_layout sec)
173     {
174     if (sec) {
175     scan_character_layout(colors,fonts,sec->layout);
176     }
177     }
178    
179     static void scan_in_line_layouts(psiconv_list colors,psiconv_list fonts,
180     psiconv_in_line_layouts sec)
181     {
182     int i;
183     psiconv_in_line_layout layout;
184     if (sec) {
185     for (i = 0; i < psiconv_list_length(sec); i++) {
186     layout = psiconv_list_get(sec,i);
187     scan_in_line_layout(colors,fonts,layout);
188     }
189     }
190     }
191    
192     static void scan_paragraph(psiconv_list colors,psiconv_list fonts,
193     psiconv_paragraph sec)
194     {
195     if (sec) {
196     scan_paragraph_layout(colors,fonts,sec->base_paragraph);
197     scan_character_layout(colors,fonts,sec->base_character);
198     scan_in_line_layouts(colors,fonts,sec->in_lines);
199     }
200     }
201    
202     static void scan_text_and_layout(psiconv_list colors,psiconv_list fonts,
203     psiconv_text_and_layout sec)
204     {
205     int i;
206     psiconv_paragraph para;
207     if (sec) {
208     for (i = 0; i < psiconv_list_length(sec); i++) {
209     para = psiconv_list_get(sec,i);
210     scan_paragraph(colors,fonts,para);
211     }
212     }
213     }
214    
215     static void scan_texted_section(psiconv_list colors,psiconv_list fonts,
216     psiconv_texted_section sec)
217     {
218     if (sec) {
219     scan_text_and_layout(colors,fonts,sec->paragraphs);
220     }
221     }
222    
223     static void scan_page_header(psiconv_list colors,psiconv_list fonts,
224     psiconv_page_header sec)
225     {
226     if (sec) {
227     scan_paragraph_layout(colors,fonts,sec->base_paragraph_layout);
228     scan_character_layout(colors,fonts,sec->base_character_layout);
229     scan_texted_section(colors,fonts,sec->text);
230     }
231     }
232    
233     static void scan_page_layout_section(psiconv_list colors,psiconv_list fonts,
234     psiconv_page_layout_section sec)
235     {
236     if (sec) {
237     scan_page_header(colors,fonts,sec->header);
238     scan_page_header(colors,fonts,sec->footer);
239     }
240     }
241    
242     static void scan_word_style(psiconv_list colors,psiconv_list fonts,
243     psiconv_word_style sec)
244     {
245     if (sec) {
246     scan_character_layout(colors,fonts,sec->character);
247     scan_paragraph_layout(colors,fonts,sec->paragraph);
248     }
249     }
250    
251     static void scan_word_style_list(psiconv_list colors,psiconv_list fonts,
252     psiconv_word_style_list sec)
253     {
254     int i;
255     psiconv_word_style style;
256     if (sec) {
257     for (i = 0; i < psiconv_list_length(sec); i++) {
258     style = psiconv_list_get(sec,i);
259     scan_word_style(colors,fonts,style);
260     }
261     }
262     }
263    
264     static void scan_word_styles_section(psiconv_list colors,psiconv_list fonts,
265     psiconv_word_styles_section sec)
266     {
267     if (sec) {
268     scan_word_style(colors,fonts,sec->normal);
269     scan_word_style_list(colors,fonts,sec->styles);
270     }
271     }
272    
273    
274     static void scan_word_f(psiconv_list colors,psiconv_list fonts,
275     psiconv_word_f sec)
276     {
277     if (sec) {
278     scan_page_layout_section(colors,fonts,sec->page_sec);
279     scan_text_and_layout(colors,fonts,sec->paragraphs);
280     scan_word_styles_section(colors,fonts,sec->styles_sec);
281     }
282     }
283    
284     static void scan_texted_f(psiconv_list colors,psiconv_list fonts,
285     psiconv_texted_f sec)
286     {
287     if (sec) {
288     scan_page_layout_section(colors,fonts,sec->page_sec);
289     scan_texted_section(colors,fonts,sec->texted_sec);
290     }
291     }
292    
293     static void gen_font_table(FILE *of,psiconv_list fonts)
294     {
295     int i;
296     psiconv_font *font;
297    
298     fprintf(of,"{\\fonttbl");
299     for (i = 0; i < psiconv_list_length(fonts); i++) {
300     font = psiconv_list_get(fonts,i);
301     fprintf(of,"{\\f%d",i);
302 frodo 90 if ((*font)->screenfont == psiconv_font_sansserif)
303 frodo 14 fprintf(of,"\\fswiss");
304 frodo 90 else if ((*font)->screenfont == psiconv_font_nonprop)
305 frodo 14 fprintf(of,"\\fmodern");
306 frodo 90 else if ((*font)->screenfont == psiconv_font_serif)
307 frodo 14 fprintf(of,"\\froman");
308     else
309     fprintf(of,"\\fnil");
310     fprintf(of,"\\cpg1252\\f%s;}",(*font)->name);
311     }
312     fprintf(of,"}\n");
313     }
314    
315     static void gen_color_table(FILE *of, psiconv_list colors)
316     {
317     int i;
318     psiconv_color *color;
319    
320     fprintf(of,"{\\colortbl");
321     for (i = 0; i < psiconv_list_length(colors); i++) {
322     color = psiconv_list_get(colors,i);
323     fprintf(of,"\\red%d\\green%d\\blue%d;",(*color)->red,
324     (*color)->green, (*color)->blue);
325     }
326     fprintf(of,"}\n");
327     }
328    
329     /* This is not necessarily the same as returned by basic_character_layout_status
330     This one is specific for the base point of RTF */
331     static psiconv_character_layout
332     gen_base_char(psiconv_list colors, psiconv_list fonts)
333     {
334 frodo 56 struct psiconv_color_s white = { 0,0,0 };
335     struct psiconv_color_s black = { 0xff,0xff,0xff };
336     struct psiconv_font_s font = { NULL,-1 }; /* Pseudo - not added! */
337 frodo 14
338 frodo 56 struct psiconv_character_layout_s base_char_struct =
339 frodo 14 {
340     &black, /* color */
341     &white, /* back_color */
342     13.0, /* font_size */
343     psiconv_bool_false, /* italic */
344     psiconv_bool_false, /* bold */
345     psiconv_normalscript, /* super_sub */
346     psiconv_bool_false, /* underline */
347 frodo 67 psiconv_bool_false, /* strikethrough */
348 frodo 14 &font, /* font */
349     };
350    
351 frodo 20 font.name = strdup("");
352 frodo 14 add_color(colors,&white);
353     add_color(colors,&black);
354    
355     return psiconv_clone_character_layout(&base_char_struct);
356     }
357    
358 frodo 20 static void diff_char(FILE *of,psiconv_list colors, psiconv_list fonts,
359 frodo 14 const psiconv_character_layout old,
360     const psiconv_character_layout new)
361     {
362     if ((old->font->screenfont != new->font->screenfont) ||
363     strcmp(old->font->name,new->font->name))
364     fprintf(of,"\\f%d",lookup_font(fonts,new->font));
365     if (old->font_size != new->font_size)
366     fprintf(of,"\\fs%d",(int) (new->font_size * 2));
367     if (old->super_sub != new->super_sub) {
368     if (new->super_sub == psiconv_normalscript)
369     fprintf(of,"\\nosupersub");
370     else if (new->super_sub == psiconv_superscript)
371     fprintf(of,"\\super");
372     else if (new->super_sub == psiconv_subscript)
373     fprintf(of,"\\sub");
374     }
375     if (old->bold != new->bold)
376     fprintf(of,"\\b%s",new->bold?"":"0");
377     if (old->italic != new->italic)
378     fprintf(of,"\\i%s",new->italic?"":"0");
379     if (old->underline != new->underline)
380     fprintf(of,"\\ul%s",new->underline?"":"0");
381 frodo 67 if (old->strikethrough != new->strikethrough)
382     fprintf(of,"\\strike%s",new->strikethrough?"":"0");
383 frodo 14 if ((old->color->red != new->color->red) ||
384     (old->color->green != new->color->green) ||
385     (old->color->blue != new->color->blue))
386     fprintf(of,"\\cf%d",lookup_color(colors,new->color));
387     if ((old->back_color->red != new->back_color->red) ||
388     (old->back_color->green != new->back_color->green) ||
389     (old->back_color->blue != new->back_color->blue))
390     fprintf(of,"\\cb%d",lookup_color(colors,new->back_color));
391     }
392    
393    
394     /* Note: this generates also some character formatting; Psion Word and
395     RTF do not agree on what is paragraph-level formatting and what is
396     character-level formatting. The character-level formatting is put
397     at the end. This should work out. */
398     static void gen_paragraph_codes(FILE *of, psiconv_list colors,
399     psiconv_list fonts,
400     psiconv_paragraph_layout para)
401     {
402     if (para->indent_first != 0.0)
403     fprintf(of,"\\fl%d",length_to_twips( para->indent_first));
404     if (para->indent_left != 0.0)
405     fprintf(of,"\\ll%d",length_to_twips(para->indent_left));
406     if (para->indent_right != 0.0)
407     fprintf(of,"\\rl%d",length_to_twips(para->indent_right));
408     if (para->justify_hor != psiconv_justify_left) {
409     if (para->justify_hor == psiconv_justify_right)
410     fprintf(of,"\\qr");
411     else if (para->justify_hor == psiconv_justify_centre)
412     fprintf(of,"\\qc");
413     else if (para->justify_hor == psiconv_justify_full)
414     fprintf(of,"\\qj");
415     /*
416     else if (para->justify_hor == psiconv_justify_left)
417     fprintf(of,"\\ql");
418     */
419     }
420 frodo 67 if (para->linespacing != 0.0)
421     fprintf(of,"\\sl%d",(para->linespacing_exact?-1:1) *
422     length_to_twips(para->linespacing));
423     if (para->space_above != 0.0)
424     fprintf(of,"\\sb%d",length_to_twips(para->space_above));
425     if (para->space_below != 0.0)
426     fprintf(of,"\\sa%d",length_to_twips(para->space_below));
427     if (para->keep_together)
428 frodo 14 fprintf(of,"\\keep");
429 frodo 67 if (para->keep_with_next)
430 frodo 14 fprintf(of,"\\keepn");
431     if (!para->on_next_page)
432     fprintf(of,"pagebb");
433     if (!para->no_widow_protection)
434     fprintf(of,"\\nowidctlpar");
435     }
436    
437    
438     static void gen_para(FILE *of, psiconv_list colors, psiconv_list fonts,
439     psiconv_paragraph para)
440     {
441     psiconv_character_layout cur_char,base_char;
442     psiconv_in_line_layout inl;
443     int loc,i,j;
444    
445     fprintf(of,"\\par\\pard");
446     gen_paragraph_codes(of,colors,fonts,para->base_paragraph);
447    
448     base_char = gen_base_char(colors,fonts);
449     cur_char = base_char;
450    
451     if (psiconv_list_length(para->in_lines) == 0) {
452     diff_char(of,colors,fonts,cur_char,para->base_character);
453     cur_char = para->base_character;
454     }
455     loc = 0;
456    
457     for (i = 0; i < psiconv_list_length(para->in_lines); i++) {
458     inl = psiconv_list_get(para->in_lines,i);
459     diff_char(of,colors,fonts,cur_char,inl->layout);
460     cur_char = inl->layout;
461     for (j = loc; j < inl->length + loc; j ++) {
462     fputs(char_table[(unsigned char) (para->text[j])],of);
463     }
464     loc = j;
465     }
466    
467     if (loc < strlen(para->text)) {
468     diff_char(of,colors,fonts,cur_char,para->base_character);
469     cur_char = para->base_character;
470     for (j = loc; j < strlen(para->text); j ++) {
471     fputs(char_table[(unsigned char) (para->text[j])],of);
472     }
473     }
474    
475     psiconv_free_character_layout(base_char);
476     }
477    
478     static void gen_text(FILE *of, psiconv_list colors, psiconv_list fonts,
479     psiconv_text_and_layout paragraphs)
480     {
481     int i;
482     psiconv_paragraph para;
483     fprintf(of,"\\sect");
484     for (i = 0; i < psiconv_list_length(paragraphs); i++) {
485     para = psiconv_list_get(paragraphs,i);
486     gen_para(of,colors,fonts,para);
487     }
488     }
489    
490     static void psiconv_gen_rtf_word(FILE * of, psiconv_word_f wf)
491     {
492     psiconv_list fonts;
493     psiconv_list colors;
494    
495     fonts = psiconv_list_new(sizeof(psiconv_font));
496     colors = psiconv_list_new(sizeof(psiconv_color));
497     scan_word_f(colors,fonts,wf);
498    
499     fputs("{\\rtf1\\ansi\n",of);
500     gen_font_table(of,fonts);
501     gen_color_table(of,colors);
502     gen_text(of,colors,fonts,wf->paragraphs);
503     fputs("}\n",of);
504    
505     psiconv_list_free(fonts);
506     psiconv_list_free(colors);
507    
508     }
509    
510     static void psiconv_gen_rtf_texted(FILE * of, psiconv_texted_f tf)
511     {
512     psiconv_list fonts;
513     psiconv_list colors;
514    
515     fonts = psiconv_list_new(sizeof(psiconv_font));
516     colors = psiconv_list_new(sizeof(psiconv_color));
517     scan_texted_f(colors,fonts,tf);
518    
519     fputs("{\\rtf1\\ansi\n",of);
520     gen_font_table(of,fonts);
521     gen_color_table(of,colors);
522     gen_text(of,colors,fonts,tf->texted_sec->paragraphs);
523     fputs("}\n",of);
524    
525     psiconv_list_free(fonts);
526     psiconv_list_free(colors);
527     }
528    
529 frodo 53 static int psiconv_gen_rtf(const char *filename, const psiconv_file file,
530     const char *dest)
531 frodo 14 {
532 frodo 53 FILE *of = fopen(filename,"w");
533     if (! of)
534     return -1;
535    
536 frodo 34 if (file->type == psiconv_word_file) {
537 frodo 14 psiconv_gen_rtf_word(of,(psiconv_word_f) file->file);
538 frodo 34 } else if (file->type == psiconv_texted_file) {
539 frodo 14 psiconv_gen_rtf_texted(of,(psiconv_texted_f) file->file);
540 frodo 53 } else {
541     fclose(of);
542 frodo 34 return -1;
543 frodo 53 }
544     return fclose(of);
545 frodo 14 }
546    
547 frodo 56 static struct psiconv_fileformat_s ff =
548 frodo 34 {
549     "RTF",
550     "Rich Text Format (not functional yet!)",
551     psiconv_gen_rtf
552     };
553    
554     void init_rtf(void)
555     {
556 frodo 36 /* psiconv_list_add(fileformat_list,&ff); */
557 frodo 34 }
558    

frodo@frodo.looijaard.name
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