Commit | Line | Data |
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c0bc4ef7 | 1 | /* |
30f48914 KB |
2 | * Copyright (c) 1985 Sun Microsystems, Inc. |
3 | * Copyright (c) 1980 The Regents of the University of California. | |
b0627149 KB |
4 | * Copyright (c) 1976 Board of Trustees of the University of Illinois. |
5 | * All rights reserved. | |
6 | * | |
7 | * Redistribution and use in source and binary forms are permitted | |
b36fc510 KB |
8 | * provided that the above copyright notice and this paragraph are |
9 | * duplicated in all such forms and that any documentation, | |
10 | * advertising materials, and other materials related to such | |
11 | * distribution and use acknowledge that the software was developed | |
30f48914 KB |
12 | * by the University of California, Berkeley, the University of Illinois, |
13 | * Urbana, and Sun Microsystems, Inc. The name of either University | |
14 | * or Sun Microsystems may not be used to endorse or promote products | |
15 | * derived from this software without specific prior written permission. | |
b36fc510 KB |
16 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR |
17 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
18 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
c0bc4ef7 DF |
19 | */ |
20 | ||
21 | #ifndef lint | |
0c8ee79d | 22 | static char sccsid[] = "@(#)io.c 5.13 (Berkeley) %G%"; |
b0627149 | 23 | #endif /* not lint */ |
87ba9e01 | 24 | |
95891db1 | 25 | #include "indent_globs.h" |
30f48914 | 26 | #include <ctype.h> |
87ba9e01 KM |
27 | |
28 | ||
1009bf5e KM |
29 | int comment_open; |
30 | static paren_target; | |
87ba9e01 | 31 | |
1009bf5e KM |
32 | dump_line() |
33 | { /* dump_line is the routine that actually | |
30f48914 KB |
34 | * effects the printing of the new source. It |
35 | * prints the label section, followed by the | |
36 | * code section with the appropriate nesting | |
37 | * level, followed by any comments */ | |
1009bf5e | 38 | register int cur_col, |
1009bf5e | 39 | target_col; |
30f48914 | 40 | static not_first_line; |
87ba9e01 | 41 | |
1009bf5e | 42 | if (ps.procname[0]) { |
30f48914 KB |
43 | if (troff) { |
44 | if (comment_open) { | |
45 | comment_open = 0; | |
46 | fprintf(output, ".*/\n"); | |
47 | } | |
1009bf5e | 48 | fprintf(output, ".Pr \"%s\"\n", ps.procname); |
30f48914 | 49 | } |
1009bf5e KM |
50 | ps.ind_level = 0; |
51 | ps.procname[0] = 0; | |
52 | } | |
53 | if (s_code == e_code && s_lab == e_lab && s_com == e_com) { | |
30f48914 KB |
54 | if (suppress_blanklines > 0) |
55 | suppress_blanklines--; | |
87ba9e01 | 56 | else { |
30f48914 KB |
57 | ps.bl_line = true; |
58 | n_real_blanklines++; | |
87ba9e01 | 59 | } |
87ba9e01 | 60 | } |
1009bf5e KM |
61 | else if (!inhibit_formatting) { |
62 | suppress_blanklines = 0; | |
63 | ps.bl_line = false; | |
30f48914 | 64 | if (prefix_blankline_requested && not_first_line) |
1009bf5e KM |
65 | if (swallow_optional_blanklines) { |
66 | if (n_real_blanklines == 1) | |
67 | n_real_blanklines = 0; | |
68 | } | |
69 | else { | |
70 | if (n_real_blanklines == 0) | |
71 | n_real_blanklines = 1; | |
72 | } | |
73 | while (--n_real_blanklines >= 0) | |
74 | putc('\n', output); | |
75 | n_real_blanklines = 0; | |
76 | if (ps.ind_level == 0) | |
77 | ps.ind_stmt = 0; /* this is a class A kludge. dont do | |
30f48914 KB |
78 | * additional statement indentation if we are |
79 | * at bracket level 0 */ | |
1009bf5e KM |
80 | |
81 | if (e_lab != s_lab || e_code != s_code) | |
82 | ++code_lines; /* keep count of lines with code */ | |
83 | ||
84 | ||
85 | if (e_lab != s_lab) { /* print lab, if any */ | |
86 | if (comment_open) { | |
87 | comment_open = 0; | |
88 | fprintf(output, ".*/\n"); | |
89 | } | |
90 | while (e_lab > s_lab && (e_lab[-1] == ' ' || e_lab[-1] == '\t')) | |
91 | e_lab--; | |
92 | cur_col = pad_output(1, compute_label_target()); | |
0c8ee79d KB |
93 | if (s_lab[0] == '#' && (strncmp(s_lab, "#else", 5) == 0 |
94 | || strncmp(s_lab, "#endif", 6) == 0)) { | |
95 | register char *s = s_lab; | |
96 | if (e_lab[-1] == '\n') e_lab--; | |
97 | do putc(*s++, output); | |
98 | while (s < e_lab && 'a' <= *s && *s<='z'); | |
99 | while ((*s == ' ' || *s == '\t') && s < e_lab) | |
100 | s++; | |
101 | if (s < e_lab) | |
102 | fprintf(output, s[0]=='/' && s[1]=='*' ? "\t%.*s" : "\t/* %.*s */", | |
103 | e_lab - s, s); | |
104 | } | |
105 | else fprintf(output, "%.*s", e_lab - s_lab, s_lab); | |
1009bf5e | 106 | cur_col = count_spaces(cur_col, s_lab); |
87ba9e01 | 107 | } |
1009bf5e KM |
108 | else |
109 | cur_col = 1; /* there is no label section */ | |
110 | ||
111 | ps.pcase = false; | |
112 | ||
113 | if (s_code != e_code) { /* print code section, if any */ | |
114 | register char *p; | |
115 | ||
116 | if (comment_open) { | |
117 | comment_open = 0; | |
118 | fprintf(output, ".*/\n"); | |
119 | } | |
120 | target_col = compute_code_target(); | |
121 | { | |
122 | register i; | |
123 | ||
124 | for (i = 0; i < ps.p_l_follow; i++) | |
125 | if (ps.paren_indents[i] >= 0) | |
126 | ps.paren_indents[i] = -(ps.paren_indents[i] + target_col); | |
127 | } | |
128 | cur_col = pad_output(cur_col, target_col); | |
129 | for (p = s_code; p < e_code; p++) | |
30f48914 | 130 | if (*p == (char) 0200) |
1009bf5e KM |
131 | fprintf(output, "%d", target_col * 7); |
132 | else | |
133 | putc(*p, output); | |
134 | cur_col = count_spaces(cur_col, s_code); | |
135 | } | |
136 | if (s_com != e_com) | |
137 | if (troff) { | |
30f48914 | 138 | int all_here = 0; |
1009bf5e KM |
139 | register char *p; |
140 | ||
141 | if (e_com[-1] == '/' && e_com[-2] == '*') | |
30f48914 | 142 | e_com -= 2, all_here++; |
1009bf5e KM |
143 | while (e_com > s_com && e_com[-1] == ' ') |
144 | e_com--; | |
145 | *e_com = 0; | |
146 | p = s_com; | |
147 | while (*p == ' ') | |
148 | p++; | |
149 | if (p[0] == '/' && p[1] == '*') | |
30f48914 | 150 | p += 2, all_here++; |
1009bf5e KM |
151 | else if (p[0] == '*') |
152 | p += p[1] == '/' ? 2 : 1; | |
153 | while (*p == ' ') | |
154 | p++; | |
155 | if (*p == 0) | |
156 | goto inhibit_newline; | |
30f48914 KB |
157 | if (comment_open < 2 && ps.box_com) { |
158 | comment_open = 0; | |
159 | fprintf(output, ".*/\n"); | |
160 | } | |
161 | if (comment_open == 0) { | |
1009bf5e KM |
162 | if ('a' <= *p && *p <= 'z') |
163 | *p = *p + 'A' - 'a'; | |
30f48914 KB |
164 | if (e_com - p < 50 && all_here == 2) { |
165 | register char *follow = p; | |
166 | fprintf(output, "\n.nr C! \\w\1"); | |
167 | while (follow < e_com) { | |
168 | switch (*follow) { | |
169 | case '\n': | |
170 | putc(' ', output); | |
171 | case 1: | |
172 | break; | |
173 | case '\\': | |
174 | putc('\\', output); | |
175 | default: | |
176 | putc(*follow, output); | |
177 | } | |
178 | follow++; | |
179 | } | |
180 | putc(1, output); | |
1009bf5e | 181 | } |
30f48914 KB |
182 | fprintf(output, "\n./* %dp %d %dp\n", |
183 | ps.com_col * 7, | |
184 | (s_code != e_code || s_lab != e_lab) - ps.box_com, | |
185 | target_col * 7); | |
1009bf5e | 186 | } |
30f48914 | 187 | comment_open = 1 + ps.box_com; |
1009bf5e KM |
188 | while (*p) { |
189 | if (*p == BACKSLASH) | |
190 | putc(BACKSLASH, output); | |
191 | putc(*p++, output); | |
192 | } | |
193 | } | |
194 | else { /* print comment, if any */ | |
195 | register target = ps.com_col; | |
196 | register char *com_st = s_com; | |
197 | ||
198 | target += ps.comment_delta; | |
30f48914 KB |
199 | while (*com_st == '\t') |
200 | com_st++, target += 8; /* ? */ | |
1009bf5e | 201 | while (target <= 0) |
30f48914 KB |
202 | if (*com_st == ' ') |
203 | target++, com_st++; | |
204 | else if (*com_st == '\t') | |
205 | target = ((target - 1) & ~7) + 9, com_st++; | |
1009bf5e KM |
206 | else |
207 | target = 1; | |
30f48914 KB |
208 | if (cur_col > target) { /* if comment cant fit on this line, |
209 | * put it on next line */ | |
1009bf5e KM |
210 | putc('\n', output); |
211 | cur_col = 1; | |
212 | ++ps.out_lines; | |
213 | } | |
30f48914 KB |
214 | while (e_com > com_st && isspace(e_com[-1])) |
215 | e_com--; | |
1009bf5e KM |
216 | cur_col = pad_output(cur_col, target); |
217 | if (!ps.box_com) { | |
30f48914 KB |
218 | if (star_comment_cont && (com_st[1] != '*' || e_com <= com_st + 1)) |
219 | if (com_st[1] == ' ' && com_st[0] == ' ' && e_com > com_st + 1) | |
1009bf5e KM |
220 | com_st[1] = '*'; |
221 | else | |
222 | fwrite(" * ", com_st[0] == '\t' ? 2 : com_st[0] == '*' ? 1 : 3, 1, output); | |
223 | } | |
224 | fwrite(com_st, e_com - com_st, 1, output); | |
225 | ps.comment_delta = ps.n_comment_delta; | |
226 | cur_col = count_spaces(cur_col, com_st); | |
227 | ++ps.com_lines; /* count lines with comments */ | |
228 | } | |
229 | if (ps.use_ff) | |
230 | putc('\014', output); | |
231 | else | |
232 | putc('\n', output); | |
233 | inhibit_newline: | |
234 | ++ps.out_lines; | |
235 | if (ps.just_saw_decl == 1 && blanklines_after_declarations) { | |
236 | prefix_blankline_requested = 1; | |
237 | ps.just_saw_decl = 0; | |
238 | } | |
239 | else | |
240 | prefix_blankline_requested = postfix_blankline_requested; | |
241 | postfix_blankline_requested = 0; | |
87ba9e01 | 242 | } |
1009bf5e | 243 | ps.decl_on_line = ps.in_decl; /* if we are in the middle of a |
30f48914 KB |
244 | * declaration, remember that fact for |
245 | * proper comment indentation */ | |
1009bf5e KM |
246 | ps.ind_stmt = ps.in_stmt & ~ps.in_decl; /* next line should be |
247 | * indented if we have not | |
30f48914 KB |
248 | * completed this stmt and if |
249 | * we are not in the middle of | |
250 | * a declaration */ | |
1009bf5e KM |
251 | ps.use_ff = false; |
252 | ps.dumped_decl_indent = 0; | |
253 | *(e_lab = s_lab) = '\0'; /* reset buffers */ | |
87ba9e01 KM |
254 | *(e_code = s_code) = '\0'; |
255 | *(e_com = s_com) = '\0'; | |
1009bf5e KM |
256 | ps.ind_level = ps.i_l_follow; |
257 | ps.paren_level = ps.p_l_follow; | |
258 | paren_target = -ps.paren_indents[ps.paren_level - 1]; | |
30f48914 | 259 | not_first_line = 1; |
87ba9e01 | 260 | return; |
1a43f1ba | 261 | } |
87ba9e01 | 262 | |
30f48914 KB |
263 | compute_code_target() |
264 | { | |
1009bf5e | 265 | register target_col = ps.ind_size * ps.ind_level + 1; |
87ba9e01 | 266 | |
1009bf5e KM |
267 | if (ps.paren_level) |
268 | if (!lineup_to_parens) | |
269 | target_col += continuation_indent * ps.paren_level; | |
270 | else { | |
271 | register w; | |
272 | register t = paren_target; | |
273 | ||
274 | if ((w = count_spaces(t, s_code) - max_col) > 0 | |
30f48914 | 275 | && count_spaces(target_col, s_code) <= max_col) { |
1009bf5e KM |
276 | t -= w + 1; |
277 | if (t > target_col) | |
278 | target_col = t; | |
279 | } | |
280 | else | |
281 | target_col = t; | |
282 | } | |
283 | else if (ps.ind_stmt) | |
284 | target_col += continuation_indent; | |
285 | return target_col; | |
286 | } | |
87ba9e01 | 287 | |
1009bf5e KM |
288 | compute_label_target() |
289 | { | |
290 | return | |
30f48914 | 291 | ps.pcase ? (int) (case_ind * ps.ind_size) + 1 |
1009bf5e | 292 | : *s_lab == '#' ? 1 |
30f48914 | 293 | : ps.ind_size * (ps.ind_level - label_offset) + 1; |
1009bf5e | 294 | } |
87ba9e01 | 295 | |
87ba9e01 | 296 | |
1009bf5e | 297 | /* |
30f48914 KB |
298 | * Copyright (C) 1976 by the Board of Trustees of the University of Illinois |
299 | * | |
300 | * All rights reserved | |
301 | * | |
302 | * | |
303 | * NAME: fill_buffer | |
304 | * | |
305 | * FUNCTION: Reads one block of input into input_buffer | |
306 | * | |
307 | * HISTORY: initial coding November 1976 D A Willcox of CAC 1/7/77 A | |
308 | * Willcox of CAC Added check for switch back to partly full input | |
309 | * buffer from temporary buffer | |
310 | * | |
0c8ee79d | 311 | */ |
1009bf5e KM |
312 | int |
313 | fill_buffer() | |
314 | { /* this routine reads stuff from the input */ | |
1009bf5e KM |
315 | register char *p; |
316 | register int i; | |
317 | register FILE *f = input; | |
318 | ||
30f48914 | 319 | if (bp_save != 0) { /* there is a partly filled input buffer left */ |
1009bf5e | 320 | buf_ptr = bp_save; /* dont read anything, just switch buffers */ |
87ba9e01 KM |
321 | buf_end = be_save; |
322 | bp_save = be_save = 0; | |
323 | if (buf_ptr < buf_end) | |
30f48914 KB |
324 | return; /* only return if there is really something in |
325 | * this buffer */ | |
87ba9e01 | 326 | } |
0c8ee79d KB |
327 | for (p = in_buffer;;) { |
328 | if (p >= in_buffer_limit) { | |
329 | register size = (in_buffer_limit - in_buffer) * 2 + 10; | |
330 | register offset = p - in_buffer; | |
331 | in_buffer = (char *) realloc(in_buffer, size); | |
332 | if (in_buffer == 0) | |
333 | err("input line too long"); | |
334 | p = in_buffer + offset; | |
335 | in_buffer_limit = in_buffer + size - 2; | |
336 | } | |
86591296 KB |
337 | if ((i = getc(f)) == EOF) { |
338 | *p++ = ' '; | |
339 | *p++ = '\n'; | |
340 | had_eof = true; | |
341 | break; | |
342 | } | |
343 | *p++ = i; | |
344 | if (i == '\n') | |
345 | break; | |
87ba9e01 | 346 | } |
0c8ee79d | 347 | buf_ptr = in_buffer; |
1009bf5e | 348 | buf_end = p; |
1a43f1ba | 349 | if (p[-2] == '/' && p[-3] == '*') { |
1009bf5e KM |
350 | if (in_buffer[3] == 'I' && strncmp(in_buffer, "/**INDENT**", 11) == 0) |
351 | fill_buffer(); /* flush indent error message */ | |
352 | else { | |
353 | int com = 0; | |
354 | ||
355 | p = in_buffer; | |
356 | while (*p == ' ' || *p == '\t') | |
357 | p++; | |
358 | if (*p == '/' && p[1] == '*') { | |
359 | p += 2; | |
360 | while (*p == ' ' || *p == '\t') | |
361 | p++; | |
362 | if (p[0] == 'I' && p[1] == 'N' && p[2] == 'D' && p[3] == 'E' | |
30f48914 | 363 | && p[4] == 'N' && p[5] == 'T') { |
1009bf5e KM |
364 | p += 6; |
365 | while (*p == ' ' || *p == '\t') | |
366 | p++; | |
367 | if (*p == '*') | |
368 | com = 1; | |
369 | else if (*p == 'O') | |
370 | if (*++p == 'N') | |
371 | p++, com = 1; | |
372 | else if (*p == 'F' && *++p == 'F') | |
373 | p++, com = 2; | |
374 | while (*p == ' ' || *p == '\t') | |
375 | p++; | |
376 | if (p[0] == '*' && p[1] == '/' && p[2] == '\n' && com) { | |
377 | if (s_com != e_com || s_lab != e_lab || s_code != e_code) | |
378 | dump_line(); | |
379 | if (!(inhibit_formatting = com - 1)) { | |
380 | n_real_blanklines = 0; | |
381 | postfix_blankline_requested = 0; | |
382 | prefix_blankline_requested = 0; | |
383 | suppress_blanklines = 1; | |
384 | } | |
385 | } | |
386 | } | |
387 | } | |
388 | } | |
389 | } | |
390 | if (inhibit_formatting) { | |
391 | p = in_buffer; | |
392 | do | |
393 | putc(*p, output); | |
394 | while (*p++ != '\n'); | |
395 | } | |
87ba9e01 | 396 | return; |
1a43f1ba | 397 | } |
87ba9e01 | 398 | |
1009bf5e | 399 | /* |
30f48914 KB |
400 | * Copyright (C) 1976 by the Board of Trustees of the University of Illinois |
401 | * | |
402 | * All rights reserved | |
403 | * | |
404 | * | |
405 | * NAME: pad_output | |
406 | * | |
407 | * FUNCTION: Writes tabs and spaces to move the current column up to the desired | |
408 | * position. | |
409 | * | |
410 | * ALGORITHM: Put tabs and/or blanks into pobuf, then write pobuf. | |
411 | * | |
1009bf5e | 412 | * PARAMETERS: current integer The current column target |
30f48914 KB |
413 | * nteger The desired column |
414 | * | |
415 | * RETURNS: Integer value of the new column. (If current >= target, no action is | |
416 | * taken, and current is returned. | |
417 | * | |
418 | * GLOBALS: None | |
419 | * | |
420 | * CALLS: write (sys) | |
421 | * | |
422 | * CALLED BY: dump_line | |
423 | * | |
424 | * HISTORY: initial coding November 1976 D A Willcox of CAC | |
425 | * | |
0c8ee79d | 426 | */ |
30f48914 KB |
427 | pad_output(current, target) /* writes tabs and blanks (if necessary) to |
428 | * get the current output position up to the | |
429 | * target column */ | |
1009bf5e KM |
430 | int current; /* the current column value */ |
431 | int target; /* position we want it at */ | |
87ba9e01 | 432 | { |
1009bf5e | 433 | register int curr; /* internal column pointer */ |
87ba9e01 KM |
434 | register int tcur; |
435 | ||
1009bf5e KM |
436 | if (troff) |
437 | fprintf(output, "\\h'|%dp'", (target - 1) * 7); | |
438 | else { | |
439 | if (current >= target) | |
440 | return (current); /* line is already long enough */ | |
441 | curr = current; | |
442 | while ((tcur = ((curr - 1) & tabmask) + tabsize + 1) <= target) { | |
443 | putc('\t', output); | |
87ba9e01 KM |
444 | curr = tcur; |
445 | } | |
1009bf5e KM |
446 | while (curr++ < target) |
447 | putc(' ', output); /* pad with final blanks */ | |
87ba9e01 | 448 | } |
87ba9e01 | 449 | return (target); |
1a43f1ba | 450 | } |
87ba9e01 | 451 | |
1009bf5e | 452 | /* |
30f48914 KB |
453 | * Copyright (C) 1976 by the Board of Trustees of the University of Illinois |
454 | * | |
455 | * All rights reserved | |
456 | * | |
457 | * | |
458 | * NAME: count_spaces | |
459 | * | |
1009bf5e | 460 | * FUNCTION: Find out where printing of a given string will leave the current |
30f48914 KB |
461 | * character position on output. |
462 | * | |
1009bf5e | 463 | * ALGORITHM: Run thru input string and add appropriate values to current |
30f48914 KB |
464 | * position. |
465 | * | |
466 | * RETURNS: Integer value of position after printing "buffer" starting in column | |
467 | * "current". | |
468 | * | |
469 | * HISTORY: initial coding November 1976 D A Willcox of CAC | |
470 | * | |
0c8ee79d | 471 | */ |
1009bf5e KM |
472 | int |
473 | count_spaces(current, buffer) | |
1009bf5e KM |
474 | /* |
475 | * this routine figures out where the character position will be after | |
30f48914 | 476 | * printing the text in buffer starting at column "current" |
1009bf5e KM |
477 | */ |
478 | int current; | |
479 | char *buffer; | |
87ba9e01 | 480 | { |
1009bf5e KM |
481 | register char *buf; /* used to look thru buffer */ |
482 | register int cur; /* current character counter */ | |
87ba9e01 KM |
483 | |
484 | cur = current; | |
485 | ||
486 | for (buf = buffer; *buf != '\0'; ++buf) { | |
487 | switch (*buf) { | |
488 | ||
30f48914 KB |
489 | case '\n': |
490 | case 014: /* form feed */ | |
491 | cur = 1; | |
492 | break; | |
87ba9e01 | 493 | |
30f48914 KB |
494 | case '\t': |
495 | cur = ((cur - 1) & tabmask) + tabsize + 1; | |
496 | break; | |
87ba9e01 | 497 | |
1a43f1ba | 498 | case 010: /* backspace */ |
30f48914 KB |
499 | --cur; |
500 | break; | |
87ba9e01 | 501 | |
30f48914 KB |
502 | default: |
503 | ++cur; | |
504 | break; | |
1009bf5e KM |
505 | } /* end of switch */ |
506 | } /* end of for loop */ | |
87ba9e01 | 507 | return (cur); |
1a43f1ba | 508 | } |
87ba9e01 | 509 | |
95891db1 | 510 | int found_err; |
1a43f1ba | 511 | /* VARARGS2 */ |
1009bf5e | 512 | diag(level, msg, a, b) |
87ba9e01 | 513 | { |
95891db1 KB |
514 | if (level) |
515 | found_err = 1; | |
1009bf5e KM |
516 | if (output == stdout) { |
517 | fprintf(stdout, "/**INDENT** %s@%d: ", level == 0 ? "Warning" : "Error", line_no); | |
518 | fprintf(stdout, msg, a, b); | |
519 | fprintf(stdout, " */\n"); | |
87ba9e01 | 520 | } |
1009bf5e KM |
521 | else { |
522 | fprintf(stderr, "%s@%d: ", level == 0 ? "Warning" : "Error", line_no); | |
523 | fprintf(stderr, msg, a, b); | |
524 | fprintf(stderr, "\n"); | |
87ba9e01 | 525 | } |
87ba9e01 | 526 | } |
30f48914 KB |
527 | |
528 | writefdef(f, nm) | |
529 | register struct fstate *f; | |
530 | { | |
531 | fprintf(output, ".ds f%c %s\n.nr s%c %d\n", | |
532 | nm, f->font, nm, f->size); | |
533 | } | |
534 | ||
535 | char * | |
536 | chfont(of, nf, s) | |
537 | register struct fstate *of, | |
538 | *nf; | |
539 | char *s; | |
540 | { | |
541 | if (of->font[0] != nf->font[0] | |
542 | || of->font[1] != nf->font[1]) { | |
543 | *s++ = '\\'; | |
544 | *s++ = 'f'; | |
545 | if (nf->font[1]) { | |
546 | *s++ = '('; | |
547 | *s++ = nf->font[0]; | |
548 | *s++ = nf->font[1]; | |
549 | } | |
550 | else | |
551 | *s++ = nf->font[0]; | |
552 | } | |
553 | if (nf->size != of->size) { | |
554 | *s++ = '\\'; | |
555 | *s++ = 's'; | |
556 | if (nf->size < of->size) { | |
557 | *s++ = '-'; | |
558 | *s++ = '0' + of->size - nf->size; | |
559 | } | |
560 | else { | |
561 | *s++ = '+'; | |
562 | *s++ = '0' + nf->size - of->size; | |
563 | } | |
564 | } | |
565 | return s; | |
566 | } | |
567 | ||
568 | ||
30f48914 KB |
569 | parsefont(f, s0) |
570 | register struct fstate *f; | |
571 | char *s0; | |
572 | { | |
573 | register char *s = s0; | |
574 | int sizedelta = 0; | |
575 | bzero(f, sizeof *f); | |
576 | while (*s) { | |
577 | if (isdigit(*s)) | |
578 | f->size = f->size * 10 + *s - '0'; | |
579 | else if (isupper(*s)) | |
580 | if (f->font[0]) | |
581 | f->font[1] = *s; | |
582 | else | |
583 | f->font[0] = *s; | |
584 | else if (*s == 'c') | |
585 | f->allcaps = 1; | |
586 | else if (*s == '+') | |
587 | sizedelta++; | |
588 | else if (*s == '-') | |
589 | sizedelta--; | |
590 | else { | |
591 | fprintf(stderr, "indent: bad font specification: %s\n", s0); | |
592 | exit(1); | |
593 | } | |
594 | s++; | |
595 | } | |
596 | if (f->font[0] == 0) | |
597 | f->font[0] = 'R'; | |
598 | if (bodyf.size == 0) | |
599 | bodyf.size = 11; | |
600 | if (f->size == 0) | |
601 | f->size = bodyf.size + sizedelta; | |
602 | else if (sizedelta > 0) | |
603 | f->size += bodyf.size; | |
604 | else | |
605 | f->size = bodyf.size - f->size; | |
606 | } |