X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/agedu/blobdiff_plain/afe761f3b2a97873cfe6363cefacaf1aafc22d84..cc1d950cf20bacf13c9426b429202672cb6adbe1:/html.c diff --git a/html.c b/html.c index dacd68c..8293374 100644 --- a/html.c +++ b/html.c @@ -18,7 +18,7 @@ struct html { char *path2; char *href; size_t hreflen; - const char *format; + const char *format, *rootpage; unsigned long long thresholds[MAXCOLOUR]; char *titletexts[MAXCOLOUR+1]; time_t now; @@ -334,6 +334,16 @@ static void compute_display_size(unsigned long long size, *fmt = fmts[shift]; } +static void make_filename(char *buf, size_t buflen, + const char *format, const char *rootpage, + unsigned long index) +{ + if (index == 0 && rootpage) + snprintf(buf, buflen, "%s", rootpage); + else + snprintf(buf, buflen, format, index); +} + #define PIXEL_SIZE 600 /* FIXME: configurability? */ static void write_report_line(struct html *ctx, struct vector *vec) { @@ -399,7 +409,9 @@ static void write_report_line(struct html *ctx, struct vector *vec) int doing_href = 0; if (ctx->format && vec->want_href) { - snprintf(ctx->href, ctx->hreflen, ctx->format, vec->index); + make_filename(ctx->href, ctx->hreflen, + ctx->format, ctx->rootpage, + vec->index); htprintf(ctx, "", ctx->href); doing_href = 1; } @@ -427,7 +439,7 @@ int strcmptrailingpathsep(const char *a, const char *b) } char *html_query(const void *t, unsigned long index, - const struct html_config *cfg) + const struct html_config *cfg, int downlink) { struct html actx, *ctx = &actx; char *path, *path2, *p, *q, *href; @@ -446,6 +458,7 @@ char *html_query(const void *t, unsigned long index, ctx->buflen = ctx->bufsize = 0; ctx->t = t; ctx->format = cfg->format; + ctx->rootpage = cfg->rootpage; htprintf(ctx, "\n"); path = snewn(1+trie_maxpathlen(t), char); @@ -502,7 +515,7 @@ char *html_query(const void *t, unsigned long index, index2 = trie_before(t, path); trie_getpath(t, index2, path2); if (!strcmptrailingpathsep(path, path2) && cfg->format) { - snprintf(href, hreflen, cfg->format, index2); + make_filename(href, hreflen, cfg->format, cfg->rootpage, index2); if (!*href) /* special case that we understand */ strcpy(href, "./"); htprintf(ctx, "", href); @@ -611,7 +624,7 @@ char *html_query(const void *t, unsigned long index, vecs = sresize(vecs, vecsize, struct vector *); } assert(strlen(path2) > pathlen); - vecs[nvecs] = make_vector(ctx, path2, (xj2 - xj1 > 1), 0, + vecs[nvecs] = make_vector(ctx, path2, downlink && (xj2 - xj1 > 1), 0, path2 + subdirpos, 1); for (i = 0; i <= MAXCOLOUR; i++) vecs[0]->sizes[i] -= vecs[nvecs]->sizes[i]; @@ -644,3 +657,68 @@ char *html_query(const void *t, unsigned long index, return ctx->buf; } + +int html_dump(const void *t, unsigned long index, unsigned long endindex, + int maxdepth, const struct html_config *cfg, + const char *pathprefix) +{ + /* + * Determine the filename for this file. + */ + assert(cfg->format != NULL); + int prefixlen = strlen(pathprefix); + int fnmax = strlen(pathprefix) + strlen(cfg->format) + 100; + char filename[fnmax]; + strcpy(filename, pathprefix); + make_filename(filename + prefixlen, fnmax - prefixlen, + cfg->format, cfg->rootpage, index); + + /* + * Create the HTML itself. Don't write out downlinks from our + * deepest level. + */ + char *html = html_query(t, index, cfg, maxdepth != 0); + + /* + * Write it out. + */ + FILE *fp = fopen(filename, "w"); + if (!fp) { + fprintf(stderr, "%s: %s: open: %s\n", PNAME, + filename, strerror(errno)); + return 1; + } + if (fputs(html, fp) < 0) { + fprintf(stderr, "%s: %s: write: %s\n", PNAME, + filename, strerror(errno)); + fclose(fp); + return 1; + } + if (fclose(fp) < 0) { + fprintf(stderr, "%s: %s: fclose: %s\n", PNAME, + filename, strerror(errno)); + return 1; + } + + /* + * Recurse. + */ + if (maxdepth != 0) { + unsigned long subindex, subendindex; + int newdepth = (maxdepth > 0 ? maxdepth - 1 : maxdepth); + char path[1+trie_maxpathlen(t)]; + + index++; + while (index < endindex) { + trie_getpath(t, index, path); + get_indices(t, path, &subindex, &subendindex); + index = subendindex; + if (subendindex - subindex > 1) { + if (html_dump(t, subindex, subendindex, newdepth, + cfg, pathprefix)) + return 1; + } + } + } + return 0; +}