diff options
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 76 |
1 files changed, 47 insertions, 29 deletions
diff --git a/main.c b/main.c index d0f6e04..e749d58 100644 --- a/main.c +++ b/main.c @@ -369,13 +369,15 @@ int hvar_calc(Str param, Str *name, Str *val, Str filename) { void usage(const char *cmd) { fprintf(stderr, "usage: %s -?\n" - " %s [-s] [-c FILE] [-t TITLE] [-h NAME:ARG1[,ARG2,ARG3...]] [FILES...]\n" + " %s [-s] [[-l] -c FILE] [-t TITLE] [-h NAME:ARG1[,ARG2,ARG3...]] [FILES...]\n" "\n" " -? --help show this help text\n" " -s --standalone prefix with html metadata\n" " -h --hvar define a css variable (--name) with a random value,\n" " selected by a hash of the document's title\n" " -c --css embed the given file within a <style> element\n" + " -l --link when combined with --css, link to an external stylehseet\n" + " instead of reading from a file locally\n" " -t --title set the document title (does nothing without --standalone)\n", cmd, cmd); } @@ -384,6 +386,7 @@ typedef struct { int standalone; int from_stdin; Str stylesheet; + int csslink; Str hvarv[1024]; Str title; int hvarc; @@ -393,43 +396,54 @@ Str html_head(Options *o, Arena *m, Arena *l) { Str h = S("<!DOCTYPE html>\n" "<meta charset=utf-8>\n" "<meta name=viewport content='width=device-width,initial-scale=1'>\n"); + if (o->title.s) { str_cat(&h, S("<title>"), m); str_cat_html(&h, o->title, m); str_cat(&h, S("</title>\n"), m); } - if (o->stylesheet.s) { - FILE *f = fopen(str_to_cstr(o->stylesheet, m), "r/o"); - if (!f) { - str_putf(o->stylesheet, stderr); - fprintf(stderr, ": %s\n", strerror(errno)); - exit(1); - } + + if (o->hvarc > 0) { str_cat(&h, S("<style>\n"), m); - if (o->hvarc > 0) { - str_cat(&h, S(":root {"), m); - for (int i = 0; i < o->hvarc; i++) { - Str name, val; - if (hvar_calc(o->hvarv[i], &name, &val, o->title)) { - fprintf(stderr, "invalid argument given to --hvar\n"); - exit(1); - } - str_cat(&h, S("--"), m); - str_cat(&h, name, m); - str_catc(&h, ':', m); - str_cat(&h, val, m); - str_catc(&h, ';', m); + str_cat(&h, S(":root {"), m); + for (int i = 0; i < o->hvarc; i++) { + Str name, val; + if (hvar_calc(o->hvarv[i], &name, &val, o->title)) { + fprintf(stderr, "invalid argument given to --hvar\n"); + exit(1); } - str_cat(&h, S("}\n"), m); - } - Str css; - if (read_all(f, &css, l)) { - fprintf(stderr, "failed to read stylesheet: %s\n", strerror(errno)); - exit(1); + str_cat(&h, S("--"), m); + str_cat(&h, name, m); + str_catc(&h, ':', m); + str_cat(&h, val, m); + str_catc(&h, ';', m); } - str_cat(&h, css, m); + str_cat(&h, S("}\n"), m); str_cat(&h, S("</style>\n"), m); } + + if (o->stylesheet.s) { + if (o->csslink) { + str_cat(&h, S("<link rel='stylesheet' href="), m); + str_cat_uri(&h, o->stylesheet, m); + str_cat(&h, S(">"), m); + } else { + FILE *f = fopen(str_to_cstr(o->stylesheet, m), "r/o"); + if (!f) { + str_putf(o->stylesheet, stderr); + fprintf(stderr, ": %s\n", strerror(errno)); + exit(1); + } + Str css; + if (read_all(f, &css, l)) { + fprintf(stderr, "failed to read stylesheet: %s\n", strerror(errno)); + exit(1); + } + str_cat(&h, S("<style>"), m); + str_cat(&h, css, m); + str_cat(&h, S("</style>"), m); + } + } return h; } @@ -448,11 +462,12 @@ int main(int argc, const char **argv) { Str param = { 0 }; opts.from_stdin = 1; - while ((r = arg_get(&a, "?sc:h:t:", ¶m, + while ((r = arg_get(&a, "?slc:h:t:", ¶m, "help", '?', "standalone", 's', ":title", 't', ":css", 'c', + "link", 'l', ":hvar", 'h')) >= ARG_OK) { Arena reset = scratch; FILE *f; @@ -466,6 +481,9 @@ int main(int argc, const char **argv) { case 'c': opts.stylesheet = param; break; + case 'l': + opts.csslink = 1; + break; case 't': opts.title = param; break; |