70322ae3 |
1 | /* |
2 | * html.c: implementation of html.h. |
3 | */ |
4 | |
353bc75d |
5 | #include "agedu.h" |
70322ae3 |
6 | #include "html.h" |
995db599 |
7 | #include "alloc.h" |
70322ae3 |
8 | #include "trie.h" |
9 | #include "index.h" |
10 | |
70322ae3 |
11 | #define MAXCOLOUR 511 |
12 | |
13 | struct html { |
14 | char *buf; |
15 | size_t buflen, bufsize; |
16 | const void *t; |
17 | unsigned long long totalsize, oldest, newest; |
18 | char *path2; |
19 | char *href; |
20 | size_t hreflen; |
00c5e40c |
21 | const char *format, *rootpage; |
3f940260 |
22 | unsigned long long thresholds[MAXCOLOUR]; |
23 | char *titletexts[MAXCOLOUR+1]; |
70322ae3 |
24 | time_t now; |
25 | }; |
26 | |
afe761f3 |
27 | static void vhtprintf(struct html *ctx, const char *fmt, va_list ap) |
70322ae3 |
28 | { |
29 | va_list ap2; |
30 | int size, size2; |
50e82fdc |
31 | char testbuf[2]; |
70322ae3 |
32 | |
33 | va_copy(ap2, ap); |
50e82fdc |
34 | /* |
35 | * Some C libraries (Solaris, I'm looking at you) don't like |
36 | * an output buffer size of zero in vsnprintf, but will return |
37 | * sensible values given any non-zero buffer size. Hence, we |
38 | * use testbuf to gauge the length of the string. |
39 | */ |
40 | size = vsnprintf(testbuf, 1, fmt, ap2); |
70322ae3 |
41 | va_end(ap2); |
42 | |
43 | if (ctx->buflen + size >= ctx->bufsize) { |
44 | ctx->bufsize = (ctx->buflen + size) * 3 / 2 + 1024; |
45 | ctx->buf = sresize(ctx->buf, ctx->bufsize, char); |
46 | } |
47 | size2 = vsnprintf(ctx->buf + ctx->buflen, ctx->bufsize - ctx->buflen, |
48 | fmt, ap); |
49 | assert(size == size2); |
50 | ctx->buflen += size; |
51 | } |
52 | |
afe761f3 |
53 | static void htprintf(struct html *ctx, const char *fmt, ...) |
70322ae3 |
54 | { |
55 | va_list ap; |
56 | va_start(ap, fmt); |
57 | vhtprintf(ctx, fmt, ap); |
58 | va_end(ap); |
59 | } |
60 | |
61 | static unsigned long long round_and_format_age(struct html *ctx, |
62 | unsigned long long age, |
63 | char *buf, int direction) |
64 | { |
65 | struct tm tm, tm2; |
66 | char newbuf[80]; |
67 | unsigned long long ret, newret; |
68 | int i; |
69 | int ym; |
70 | static const int minutes[] = { 5, 10, 15, 30, 45 }; |
71 | |
72 | tm = *localtime(&ctx->now); |
73 | ym = tm.tm_year * 12 + tm.tm_mon; |
74 | |
75 | ret = ctx->now; |
76 | strcpy(buf, "Now"); |
77 | |
78 | for (i = 0; i < lenof(minutes); i++) { |
79 | newret = ctx->now - minutes[i] * 60; |
80 | sprintf(newbuf, "%d minutes", minutes[i]); |
81 | if (newret < age) |
82 | goto finish; |
83 | strcpy(buf, newbuf); |
84 | ret = newret; |
85 | } |
86 | |
87 | for (i = 1; i < 24; i++) { |
88 | newret = ctx->now - i * (60*60); |
89 | sprintf(newbuf, "%d hour%s", i, i==1 ? "" : "s"); |
90 | if (newret < age) |
91 | goto finish; |
92 | strcpy(buf, newbuf); |
93 | ret = newret; |
94 | } |
95 | |
96 | for (i = 1; i < 7; i++) { |
97 | newret = ctx->now - i * (24*60*60); |
98 | sprintf(newbuf, "%d day%s", i, i==1 ? "" : "s"); |
99 | if (newret < age) |
100 | goto finish; |
101 | strcpy(buf, newbuf); |
102 | ret = newret; |
103 | } |
104 | |
105 | for (i = 1; i < 4; i++) { |
106 | newret = ctx->now - i * (7*24*60*60); |
107 | sprintf(newbuf, "%d week%s", i, i==1 ? "" : "s"); |
108 | if (newret < age) |
109 | goto finish; |
110 | strcpy(buf, newbuf); |
111 | ret = newret; |
112 | } |
113 | |
114 | for (i = 1; i < 11; i++) { |
115 | tm2 = tm; /* structure copy */ |
116 | tm2.tm_year = (ym - i) / 12; |
117 | tm2.tm_mon = (ym - i) % 12; |
118 | newret = mktime(&tm2); |
119 | sprintf(newbuf, "%d month%s", i, i==1 ? "" : "s"); |
120 | if (newret < age) |
121 | goto finish; |
122 | strcpy(buf, newbuf); |
123 | ret = newret; |
124 | } |
125 | |
126 | for (i = 1;; i++) { |
127 | tm2 = tm; /* structure copy */ |
128 | tm2.tm_year = (ym - i*12) / 12; |
129 | tm2.tm_mon = (ym - i*12) % 12; |
130 | newret = mktime(&tm2); |
131 | sprintf(newbuf, "%d year%s", i, i==1 ? "" : "s"); |
132 | if (newret < age) |
133 | goto finish; |
134 | strcpy(buf, newbuf); |
135 | ret = newret; |
136 | } |
137 | |
138 | finish: |
139 | if (direction > 0) { |
140 | /* |
141 | * Round toward newest, i.e. use the existing (buf,ret). |
142 | */ |
143 | } else if (direction < 0) { |
144 | /* |
145 | * Round toward oldest, i.e. use (newbuf,newret); |
146 | */ |
147 | strcpy(buf, newbuf); |
148 | ret = newret; |
149 | } else { |
150 | /* |
151 | * Round to nearest. |
152 | */ |
153 | if (ret - age > age - newret) { |
154 | strcpy(buf, newbuf); |
155 | ret = newret; |
156 | } |
157 | } |
158 | return ret; |
159 | } |
160 | |
161 | static void get_indices(const void *t, char *path, |
162 | unsigned long *xi1, unsigned long *xi2) |
163 | { |
164 | size_t pathlen = strlen(path); |
256c29a2 |
165 | int c1 = path[pathlen], c2 = (pathlen > 0 ? path[pathlen-1] : 0); |
70322ae3 |
166 | |
167 | *xi1 = trie_before(t, path); |
256c29a2 |
168 | make_successor(path); |
70322ae3 |
169 | *xi2 = trie_before(t, path); |
256c29a2 |
170 | path[pathlen] = c1; |
171 | if (pathlen > 0) |
172 | path[pathlen-1] = c2; |
70322ae3 |
173 | } |
174 | |
3f940260 |
175 | static unsigned long long fetch_size(const void *t, |
176 | unsigned long xi1, unsigned long xi2, |
70322ae3 |
177 | unsigned long long atime) |
178 | { |
16139d21 |
179 | if (xi2 - xi1 == 1) { |
180 | /* |
181 | * We are querying an individual file, so we should not |
182 | * depend on the index entries either side of the node, |
183 | * since they almost certainly don't both exist. Instead, |
184 | * just look up the file's size and atime in the main trie. |
185 | */ |
186 | const struct trie_file *f = trie_getfile(t, xi1); |
187 | if (f->atime < atime) |
188 | return f->size; |
189 | else |
190 | return 0; |
191 | } else { |
192 | return index_query(t, xi2, atime) - index_query(t, xi1, atime); |
193 | } |
70322ae3 |
194 | } |
195 | |
196 | static void htescape(struct html *ctx, const char *s, int n, int italics) |
197 | { |
198 | while (n > 0 && *s) { |
199 | unsigned char c = (unsigned char)*s++; |
200 | |
201 | if (c == '&') |
202 | htprintf(ctx, "&"); |
203 | else if (c == '<') |
204 | htprintf(ctx, "<"); |
205 | else if (c == '>') |
206 | htprintf(ctx, ">"); |
207 | else if (c >= ' ' && c < '\177') |
208 | htprintf(ctx, "%c", c); |
209 | else { |
210 | if (italics) htprintf(ctx, "<i>"); |
211 | htprintf(ctx, "[%02x]", c); |
212 | if (italics) htprintf(ctx, "</i>"); |
213 | } |
214 | |
215 | n--; |
216 | } |
217 | } |
218 | |
219 | static void begin_colour_bar(struct html *ctx) |
220 | { |
221 | htprintf(ctx, "<table cellspacing=0 cellpadding=0" |
222 | " style=\"border:0\">\n<tr>\n"); |
223 | } |
224 | |
225 | static void add_to_colour_bar(struct html *ctx, int colour, int pixels) |
226 | { |
227 | int r, g, b; |
70322ae3 |
228 | |
229 | if (colour >= 0 && colour < 256) /* red -> yellow fade */ |
230 | r = 255, g = colour, b = 0; |
231 | else if (colour >= 256 && colour <= 511) /* yellow -> green fade */ |
232 | r = 511 - colour, g = 255, b = 0; |
233 | else /* background grey */ |
234 | r = g = b = 240; |
235 | |
70322ae3 |
236 | if (pixels > 0) { |
237 | htprintf(ctx, "<td style=\"width:%dpx; height:1em; " |
238 | "background-color:#%02x%02x%02x\"", |
239 | pixels, r, g, b); |
240 | if (colour >= 0) |
3f940260 |
241 | htprintf(ctx, " title=\"%s\"", ctx->titletexts[colour]); |
70322ae3 |
242 | htprintf(ctx, "></td>\n"); |
243 | } |
244 | } |
245 | |
246 | static void end_colour_bar(struct html *ctx) |
247 | { |
248 | htprintf(ctx, "</tr>\n</table>\n"); |
249 | } |
250 | |
251 | struct vector { |
16139d21 |
252 | int want_href, essential; |
70322ae3 |
253 | char *name; |
b49db535 |
254 | int literal; /* should the name be formatted in fixed-pitch? */ |
70322ae3 |
255 | unsigned long index; |
256 | unsigned long long sizes[MAXCOLOUR+1]; |
257 | }; |
258 | |
259 | int vec_compare(const void *av, const void *bv) |
260 | { |
261 | const struct vector *a = *(const struct vector **)av; |
262 | const struct vector *b = *(const struct vector **)bv; |
263 | |
264 | if (a->sizes[MAXCOLOUR] > b->sizes[MAXCOLOUR]) |
265 | return -1; |
266 | else if (a->sizes[MAXCOLOUR] < b->sizes[MAXCOLOUR]) |
267 | return +1; |
268 | else if (a->want_href < b->want_href) |
269 | return +1; |
270 | else if (a->want_href > b->want_href) |
271 | return -1; |
272 | else if (a->want_href) |
273 | return strcmp(a->name, b->name); |
274 | else if (a->index < b->index) |
275 | return -1; |
276 | else if (a->index > b->index) |
277 | return +1; |
16139d21 |
278 | else if (a->essential < b->essential) |
279 | return +1; |
280 | else if (a->essential > b->essential) |
281 | return -1; |
70322ae3 |
282 | return 0; |
283 | } |
284 | |
285 | static struct vector *make_vector(struct html *ctx, char *path, |
16139d21 |
286 | int want_href, int essential, |
287 | char *name, int literal) |
70322ae3 |
288 | { |
289 | unsigned long xi1, xi2; |
290 | struct vector *vec = snew(struct vector); |
291 | int i; |
292 | |
293 | vec->want_href = want_href; |
16139d21 |
294 | vec->essential = essential; |
70322ae3 |
295 | vec->name = name ? dupstr(name) : NULL; |
b49db535 |
296 | vec->literal = literal; |
70322ae3 |
297 | |
298 | get_indices(ctx->t, path, &xi1, &xi2); |
299 | |
300 | vec->index = xi1; |
301 | |
302 | for (i = 0; i <= MAXCOLOUR; i++) { |
303 | unsigned long long atime; |
304 | if (i == MAXCOLOUR) |
305 | atime = ULLONG_MAX; |
306 | else |
307 | atime = ctx->thresholds[i]; |
3f940260 |
308 | vec->sizes[i] = fetch_size(ctx->t, xi1, xi2, atime); |
70322ae3 |
309 | } |
310 | |
311 | return vec; |
312 | } |
313 | |
314 | static void print_heading(struct html *ctx, const char *title) |
315 | { |
316 | htprintf(ctx, "<tr style=\"padding: 0.2em; background-color:#e0e0e0\">\n" |
317 | "<td colspan=4 align=center>%s</td>\n</tr>\n", title); |
318 | } |
319 | |
afe761f3 |
320 | static void compute_display_size(unsigned long long size, |
321 | const char **fmt, double *display_size) |
322 | { |
323 | static const char *const fmts[] = { |
324 | "%g b", "%g Kb", "%#.1f Mb", "%#.1f Gb", "%#.1f Tb", |
325 | "%#.1f Pb", "%#.1f Eb", "%#.1f Zb", "%#.1f Yb" |
326 | }; |
327 | int shift = 0; |
328 | |
329 | while (size >= 1024 && shift < lenof(fmts)-1) { |
330 | size >>= 10; |
331 | shift++; |
332 | } |
333 | *display_size = (double)size; |
334 | *fmt = fmts[shift]; |
335 | } |
336 | |
00c5e40c |
337 | static void make_filename(char *buf, size_t buflen, |
338 | const char *format, const char *rootpage, |
339 | unsigned long index) |
340 | { |
341 | if (index == 0 && rootpage) |
342 | snprintf(buf, buflen, "%s", rootpage); |
343 | else |
344 | snprintf(buf, buflen, format, index); |
345 | } |
346 | |
70322ae3 |
347 | #define PIXEL_SIZE 600 /* FIXME: configurability? */ |
348 | static void write_report_line(struct html *ctx, struct vector *vec) |
349 | { |
742c1a74 |
350 | unsigned long long size, asize, divisor; |
afe761f3 |
351 | double display_size; |
70322ae3 |
352 | int pix, newpix; |
353 | int i; |
afe761f3 |
354 | const char *unitsfmt; |
70322ae3 |
355 | |
356 | /* |
010dd2a2 |
357 | * A line with literally zero space usage should not be |
358 | * printed at all if it's a link to a subdirectory (since it |
359 | * probably means the whole thing was excluded by some |
360 | * --exclude-path wildcard). If it's [files] or the top-level |
361 | * line, though, we must always print _something_, and in that |
362 | * case we must fiddle about to prevent divisions by zero in |
363 | * the code below. |
742c1a74 |
364 | */ |
16139d21 |
365 | if (!vec->sizes[MAXCOLOUR] && !vec->essential) |
010dd2a2 |
366 | return; |
742c1a74 |
367 | divisor = ctx->totalsize; |
010dd2a2 |
368 | if (!divisor) { |
742c1a74 |
369 | divisor = 1; |
010dd2a2 |
370 | } |
742c1a74 |
371 | |
372 | /* |
70322ae3 |
373 | * Find the total size of this subdirectory. |
374 | */ |
375 | size = vec->sizes[MAXCOLOUR]; |
afe761f3 |
376 | compute_display_size(size, &unitsfmt, &display_size); |
70322ae3 |
377 | htprintf(ctx, "<tr>\n" |
afe761f3 |
378 | "<td style=\"padding: 0.2em; text-align: right\">"); |
379 | htprintf(ctx, unitsfmt, display_size); |
380 | htprintf(ctx, "</td>\n"); |
70322ae3 |
381 | |
382 | /* |
383 | * Generate a colour bar. |
384 | */ |
385 | htprintf(ctx, "<td style=\"padding: 0.2em\">\n"); |
386 | begin_colour_bar(ctx); |
387 | pix = 0; |
388 | for (i = 0; i <= MAXCOLOUR; i++) { |
389 | asize = vec->sizes[i]; |
742c1a74 |
390 | newpix = asize * PIXEL_SIZE / divisor; |
70322ae3 |
391 | add_to_colour_bar(ctx, i, newpix - pix); |
392 | pix = newpix; |
393 | } |
394 | add_to_colour_bar(ctx, -1, PIXEL_SIZE - pix); |
395 | end_colour_bar(ctx); |
396 | htprintf(ctx, "</td>\n"); |
397 | |
398 | /* |
399 | * Output size as a percentage of totalsize. |
400 | */ |
401 | htprintf(ctx, "<td style=\"padding: 0.2em; text-align: right\">" |
742c1a74 |
402 | "%.2f%%</td>\n", (double)size / divisor * 100.0); |
70322ae3 |
403 | |
404 | /* |
405 | * Output a subdirectory marker. |
406 | */ |
407 | htprintf(ctx, "<td style=\"padding: 0.2em\">"); |
408 | if (vec->name) { |
409 | int doing_href = 0; |
410 | |
411 | if (ctx->format && vec->want_href) { |
00c5e40c |
412 | make_filename(ctx->href, ctx->hreflen, |
413 | ctx->format, ctx->rootpage, |
414 | vec->index); |
70322ae3 |
415 | htprintf(ctx, "<a href=\"%s\">", ctx->href); |
416 | doing_href = 1; |
417 | } |
b49db535 |
418 | if (vec->literal) |
419 | htprintf(ctx, "<code>"); |
70322ae3 |
420 | htescape(ctx, vec->name, strlen(vec->name), 1); |
b49db535 |
421 | if (vec->literal) |
422 | htprintf(ctx, "</code>"); |
70322ae3 |
423 | if (doing_href) |
424 | htprintf(ctx, "</a>"); |
425 | } |
426 | htprintf(ctx, "</td>\n</tr>\n"); |
427 | } |
428 | |
0089cdbb |
429 | int strcmptrailingpathsep(const char *a, const char *b) |
430 | { |
431 | while (*a == *b && *a) |
432 | a++, b++; |
433 | |
434 | if ((*a == pathsep && !a[1] && !*b) || |
435 | (*b == pathsep && !b[1] && !*a)) |
436 | return 0; |
437 | |
438 | return (int)(unsigned char)*a - (int)(unsigned char)*b; |
439 | } |
440 | |
f2e52893 |
441 | char *html_query(const void *t, unsigned long index, |
00c5e40c |
442 | const struct html_config *cfg, int downlink) |
70322ae3 |
443 | { |
444 | struct html actx, *ctx = &actx; |
445 | char *path, *path2, *p, *q, *href; |
446 | char agebuf1[80], agebuf2[80]; |
256c29a2 |
447 | size_t pathlen, subdirpos, hreflen; |
70322ae3 |
448 | unsigned long index2; |
449 | int i; |
450 | struct vector **vecs; |
451 | int nvecs, vecsize; |
452 | unsigned long xi1, xi2, xj1, xj2; |
453 | |
454 | if (index >= trie_count(t)) |
455 | return NULL; |
456 | |
457 | ctx->buf = NULL; |
458 | ctx->buflen = ctx->bufsize = 0; |
459 | ctx->t = t; |
f2e52893 |
460 | ctx->format = cfg->format; |
00c5e40c |
461 | ctx->rootpage = cfg->rootpage; |
70322ae3 |
462 | htprintf(ctx, "<html>\n"); |
463 | |
464 | path = snewn(1+trie_maxpathlen(t), char); |
465 | ctx->path2 = path2 = snewn(1+trie_maxpathlen(t), char); |
f2e52893 |
466 | if (cfg->format) { |
467 | hreflen = strlen(cfg->format) + 100; |
70322ae3 |
468 | href = snewn(hreflen, char); |
469 | } else { |
470 | hreflen = 0; |
471 | href = NULL; |
472 | } |
473 | ctx->hreflen = hreflen; |
474 | ctx->href = href; |
475 | |
476 | /* |
477 | * HEAD section. |
478 | */ |
479 | htprintf(ctx, "<head>\n"); |
480 | trie_getpath(t, index, path); |
bf53e756 |
481 | htprintf(ctx, "<title>%s: ", PNAME); |
70322ae3 |
482 | htescape(ctx, path, strlen(path), 0); |
483 | htprintf(ctx, "</title>\n"); |
484 | htprintf(ctx, "</head>\n"); |
485 | |
486 | /* |
487 | * Begin BODY section. |
488 | */ |
489 | htprintf(ctx, "<body>\n"); |
490 | htprintf(ctx, "<h3 align=center>Disk space breakdown by" |
491 | " last-access time</h3>\n"); |
492 | |
493 | /* |
494 | * Show the pathname we're centred on, with hyperlinks to |
495 | * parent directories where available. |
496 | */ |
497 | htprintf(ctx, "<p align=center>\n<code>"); |
498 | q = path; |
cfe942fb |
499 | for (p = strchr(path, pathsep); p && p[1]; p = strchr(p, pathsep)) { |
70322ae3 |
500 | int doing_href = 0; |
256c29a2 |
501 | char c, *zp; |
502 | |
70322ae3 |
503 | /* |
504 | * See if this path prefix exists in the trie. If so, |
505 | * generate a hyperlink. |
506 | */ |
256c29a2 |
507 | zp = p; |
508 | if (p == path) /* special case for "/" at start */ |
509 | zp++; |
510 | |
511 | p++; |
512 | |
513 | c = *zp; |
514 | *zp = '\0'; |
70322ae3 |
515 | index2 = trie_before(t, path); |
516 | trie_getpath(t, index2, path2); |
0089cdbb |
517 | if (!strcmptrailingpathsep(path, path2) && cfg->format) { |
00c5e40c |
518 | make_filename(href, hreflen, cfg->format, cfg->rootpage, index2); |
cfe942fb |
519 | if (!*href) /* special case that we understand */ |
520 | strcpy(href, "./"); |
70322ae3 |
521 | htprintf(ctx, "<a href=\"%s\">", href); |
522 | doing_href = 1; |
523 | } |
256c29a2 |
524 | *zp = c; |
525 | htescape(ctx, q, zp - q, 1); |
70322ae3 |
526 | if (doing_href) |
527 | htprintf(ctx, "</a>"); |
256c29a2 |
528 | htescape(ctx, zp, p - zp, 1); |
529 | q = p; |
70322ae3 |
530 | } |
531 | htescape(ctx, q, strlen(q), 1); |
532 | htprintf(ctx, "</code>\n"); |
533 | |
534 | /* |
535 | * Decide on the age limit of our colour coding, establish the |
536 | * colour thresholds, and write out a key. |
537 | */ |
70322ae3 |
538 | ctx->now = time(NULL); |
f2e52893 |
539 | if (cfg->autoage) { |
540 | ctx->oldest = index_order_stat(t, 0.05); |
541 | ctx->newest = index_order_stat(t, 1.0); |
542 | ctx->oldest = round_and_format_age(ctx, ctx->oldest, agebuf1, -1); |
543 | ctx->newest = round_and_format_age(ctx, ctx->newest, agebuf2, +1); |
544 | } else { |
545 | ctx->oldest = cfg->oldest; |
546 | ctx->newest = cfg->newest; |
547 | ctx->oldest = round_and_format_age(ctx, ctx->oldest, agebuf1, 0); |
548 | ctx->newest = round_and_format_age(ctx, ctx->newest, agebuf2, 0); |
549 | } |
3f940260 |
550 | for (i = 0; i < MAXCOLOUR; i++) { |
70322ae3 |
551 | ctx->thresholds[i] = |
3f940260 |
552 | ctx->oldest + (ctx->newest - ctx->oldest) * i / (MAXCOLOUR-1); |
553 | } |
554 | for (i = 0; i <= MAXCOLOUR; i++) { |
555 | char buf[80]; |
556 | |
557 | if (i == 0) { |
558 | strcpy(buf, "< "); |
559 | round_and_format_age(ctx, ctx->thresholds[0], buf+5, 0); |
560 | } else if (i == MAXCOLOUR) { |
561 | strcpy(buf, "> "); |
562 | round_and_format_age(ctx, ctx->thresholds[MAXCOLOUR-1], buf+5, 0); |
563 | } else { |
564 | unsigned long long midrange = |
565 | (ctx->thresholds[i-1] + ctx->thresholds[i]) / 2; |
566 | round_and_format_age(ctx, midrange, buf, 0); |
567 | } |
568 | |
569 | ctx->titletexts[i] = dupstr(buf); |
70322ae3 |
570 | } |
571 | htprintf(ctx, "<p align=center>Key to colour coding (mouse over for more detail):\n"); |
572 | htprintf(ctx, "<p align=center style=\"padding: 0; margin-top:0.4em; " |
573 | "margin-bottom:1em\""); |
574 | begin_colour_bar(ctx); |
575 | htprintf(ctx, "<td style=\"padding-right:1em\">%s</td>\n", agebuf1); |
576 | for (i = 0; i < MAXCOLOUR; i++) |
577 | add_to_colour_bar(ctx, i, 1); |
578 | htprintf(ctx, "<td style=\"padding-left:1em\">%s</td>\n", agebuf2); |
579 | end_colour_bar(ctx); |
580 | |
581 | /* |
582 | * Begin the main table. |
583 | */ |
584 | htprintf(ctx, "<p align=center>\n<table style=\"margin:0; border:0\">\n"); |
585 | |
586 | /* |
587 | * Find the total size of our entire subdirectory. We'll use |
588 | * that as the scale for all the colour bars in this report. |
589 | */ |
3f940260 |
590 | get_indices(t, path, &xi1, &xi2); |
591 | ctx->totalsize = fetch_size(t, xi1, xi2, ULLONG_MAX); |
70322ae3 |
592 | |
593 | /* |
594 | * Generate a report line for the whole subdirectory. |
595 | */ |
596 | vecsize = 64; |
597 | vecs = snewn(vecsize, struct vector *); |
598 | nvecs = 1; |
16139d21 |
599 | vecs[0] = make_vector(ctx, path, 0, 1, NULL, 0); |
70322ae3 |
600 | print_heading(ctx, "Overall"); |
601 | write_report_line(ctx, vecs[0]); |
602 | |
603 | /* |
604 | * Now generate report lines for all its children, and the |
605 | * files contained in it. |
606 | */ |
607 | print_heading(ctx, "Subdirectories"); |
608 | |
609 | vecs[0]->name = dupstr("[files]"); |
610 | get_indices(t, path, &xi1, &xi2); |
611 | xi1++; |
612 | pathlen = strlen(path); |
256c29a2 |
613 | subdirpos = pathlen + 1; |
614 | if (pathlen > 0 && path[pathlen-1] == pathsep) |
615 | subdirpos--; |
70322ae3 |
616 | while (xi1 < xi2) { |
617 | trie_getpath(t, xi1, path2); |
618 | get_indices(t, ctx->path2, &xj1, &xj2); |
619 | xi1 = xj2; |
16139d21 |
620 | if (!cfg->showfiles && xj2 - xj1 <= 1) |
70322ae3 |
621 | continue; /* skip individual files */ |
622 | if (nvecs >= vecsize) { |
623 | vecsize = nvecs * 3 / 2 + 64; |
624 | vecs = sresize(vecs, vecsize, struct vector *); |
625 | } |
626 | assert(strlen(path2) > pathlen); |
00c5e40c |
627 | vecs[nvecs] = make_vector(ctx, path2, downlink && (xj2 - xj1 > 1), 0, |
16139d21 |
628 | path2 + subdirpos, 1); |
70322ae3 |
629 | for (i = 0; i <= MAXCOLOUR; i++) |
630 | vecs[0]->sizes[i] -= vecs[nvecs]->sizes[i]; |
631 | nvecs++; |
632 | } |
633 | |
634 | qsort(vecs, nvecs, sizeof(vecs[0]), vec_compare); |
635 | |
636 | for (i = 0; i < nvecs; i++) |
637 | write_report_line(ctx, vecs[i]); |
638 | |
639 | /* |
640 | * Close the main table. |
641 | */ |
642 | htprintf(ctx, "</table>\n"); |
643 | |
644 | /* |
645 | * Finish up and tidy up. |
646 | */ |
647 | htprintf(ctx, "</body>\n"); |
648 | htprintf(ctx, "</html>\n"); |
649 | sfree(href); |
650 | sfree(path2); |
651 | sfree(path); |
652 | for (i = 0; i < nvecs; i++) { |
653 | sfree(vecs[i]->name); |
654 | sfree(vecs[i]); |
655 | } |
656 | sfree(vecs); |
657 | |
658 | return ctx->buf; |
659 | } |
00c5e40c |
660 | |
661 | int html_dump(const void *t, unsigned long index, unsigned long endindex, |
662 | int maxdepth, const struct html_config *cfg, |
663 | const char *pathprefix) |
664 | { |
665 | /* |
666 | * Determine the filename for this file. |
667 | */ |
668 | assert(cfg->format != NULL); |
669 | int prefixlen = strlen(pathprefix); |
670 | int fnmax = strlen(pathprefix) + strlen(cfg->format) + 100; |
671 | char filename[fnmax]; |
672 | strcpy(filename, pathprefix); |
673 | make_filename(filename + prefixlen, fnmax - prefixlen, |
674 | cfg->format, cfg->rootpage, index); |
675 | |
676 | /* |
677 | * Create the HTML itself. Don't write out downlinks from our |
678 | * deepest level. |
679 | */ |
680 | char *html = html_query(t, index, cfg, maxdepth != 0); |
681 | |
682 | /* |
683 | * Write it out. |
684 | */ |
685 | FILE *fp = fopen(filename, "w"); |
686 | if (!fp) { |
687 | fprintf(stderr, "%s: %s: open: %s\n", PNAME, |
688 | filename, strerror(errno)); |
689 | return 1; |
690 | } |
691 | if (fputs(html, fp) < 0) { |
692 | fprintf(stderr, "%s: %s: write: %s\n", PNAME, |
693 | filename, strerror(errno)); |
694 | fclose(fp); |
695 | return 1; |
696 | } |
697 | if (fclose(fp) < 0) { |
698 | fprintf(stderr, "%s: %s: fclose: %s\n", PNAME, |
699 | filename, strerror(errno)); |
700 | return 1; |
701 | } |
702 | |
703 | /* |
704 | * Recurse. |
705 | */ |
706 | if (maxdepth != 0) { |
707 | unsigned long subindex, subendindex; |
708 | int newdepth = (maxdepth > 0 ? maxdepth - 1 : maxdepth); |
709 | char path[1+trie_maxpathlen(t)]; |
710 | |
711 | index++; |
712 | while (index < endindex) { |
713 | trie_getpath(t, index, path); |
714 | get_indices(t, path, &subindex, &subendindex); |
715 | index = subendindex; |
716 | if (subendindex - subindex > 1) { |
717 | if (html_dump(t, subindex, subendindex, newdepth, |
718 | cfg, pathprefix)) |
719 | return 1; |
720 | } |
721 | } |
722 | } |
723 | return 0; |
724 | } |