diff options
| author | WormHeamer | 2025-03-09 15:47:46 -0400 |
|---|---|---|
| committer | WormHeamer | 2025-03-09 15:47:46 -0400 |
| commit | 317582f6b58d4a7518b6f65f86bf8862e815ff82 (patch) | |
| tree | 57ba4b30a301a4746f39896d605ccc07905d40e0 /main.c | |
| parent | 83fc688d4ca2dbe06020279de502ab1c8b27bf81 (diff) | |
factor html_head out of main
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 119 |
1 files changed, 61 insertions, 58 deletions
@@ -14,6 +14,10 @@ #define ARGS_IMPL #include "args.h" +#define ARENA(n, sz) Arena n; { static char arena_backarr[sz];\ + n.beg = arena_backarr; n.end = arena_backarr + sizeof(arena_backarr);\ + __asm("":"+r"(n.beg)); __asm("":"+r"(n.end)); } + int read_all(FILE *f, Str *buf, Arena *a) { if (!f) return -1; buf->s = a->beg; @@ -244,10 +248,6 @@ int wdoc(FILE *f, Doc **dp, Arena *a, Arena *scratch) { return 0; } -#define ARENA(n, sz) Arena n; { static char arena_backarr[sz];\ - n.beg = arena_backarr; n.end = arena_backarr + sizeof(arena_backarr);\ - __asm("":"+r"(n.beg)); __asm("":"+r"(n.end)); } - uint64_t str_hash(Str s) { uint64_t h = 14695981039346656037LU; for (isize i = 0; i < s.n; i++) h = (h ^ (s.s[i] & 0xff)) * 1099511628211LU; @@ -287,6 +287,59 @@ void usage(const char *cmd) { cmd, cmd); } +typedef struct { + int standalone; + int from_stdin; + Str stylesheet; + Str hvarv[1024]; + Str title; + int hvarc; +} Options; + +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); + } + 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_catc(&h, '}', m); + } + Str css; + if (read_all(f, &css, l)) { + fprintf(stderr, "failed to read stylesheet: %s\n", strerror(errno)); + exit(1); + } + str_cat(&h, css, m); + str_cat(&h, S("</style>\n"), m); + } + return h; +} + #define countof(x) (sizeof(x) / sizeof(*x)) int main(int argc, const char **argv) { (void)argc; @@ -295,13 +348,7 @@ int main(int argc, const char **argv) { ARENA(scratch, 1 << 20) Doc *doc = 0; - struct { - int standalone; - int from_stdin; - Str stylesheet; - Str hvarv[1024]; - int hvarc; - } opts = { 0 }; + Options opts = { 0 }; int r; ArgsState a = args_begin(argv); @@ -378,56 +425,12 @@ int main(int argc, const char **argv) { } if (doc && opts.standalone) { - Str title = doc->title; + opts.title = doc->title; while (doc->prev) { doc = doc->prev; - if (doc->title.s) title = doc->title; - } - Str thtml = S("<!DOCTYPE html>\n" - "<meta charset=utf-8>\n" - "<meta name=viewport content='width=device-width,initial-scale=1'>\n"); - if (title.s) { - str_cat(&thtml, S("<title>"), &scratch); - str_cat_html(&thtml, title, &scratch); - str_cat(&thtml, S("</title>\n"), &scratch); - } - - if (opts.stylesheet.s) { - FILE *f = fopen(str_to_cstr(opts.stylesheet, &scratch), "r/o"); - if (!f) { - str_putf(opts.stylesheet, stderr); - fprintf(stderr, ": %s\n", strerror(errno)); - return 1; - } - Str css; - Arena p = perm; - if (read_all(f, &css, &perm)) { - fprintf(stderr, "failed to read stylesheet: %s\n", strerror(errno)); - return 1; - } - str_cat(&thtml, S("<style>\n"), &scratch); - if (opts.hvarc > 0) { - str_cat(&thtml, S(":root{"), &scratch); - for (int i = 0; i < opts.hvarc; i++) { - Str name, val; - if (hvar_calc(opts.hvarv[i], &name, &val, title)) { - fprintf(stderr, "invalid argument given to --hvar\n"); - return 1; - } - str_cat(&thtml, S("--"), &scratch); - str_cat(&thtml, name, &scratch); - str_catc(&thtml, ':', &scratch); - str_cat(&thtml, val, &scratch); - str_catc(&thtml, ';', &scratch); - } - str_catc(&thtml, '}', &scratch); - } - str_cat(&thtml, css, &scratch); - str_cat(&thtml, S("</style>\n"), &scratch); - perm = p; + if (doc->title.s) opts.title = doc->title; } - - str_put(thtml); + str_put(html_head(&opts, &perm, &scratch)); } while (doc) { |