commit 1663adb

Backport from xs.

1@@ -2382,7 +2382,7 @@ int html_get_handler(const xs_dict *req, const char *q_path,
2                         xs_html_text(content))));
3         }
4 
5-        *body   = xs_html_render_s(rss, xs_dup("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"));
6+        *body   = xs_html_render_s(rss, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
7         *b_size = strlen(*body);
8         *ctype  = "application/rss+xml; charset=utf-8";
9         status  = 200;

 1@@ -21,8 +21,10 @@ xs_html *_xs_html_tag(char *tag, xs_html *var[]);
 2 xs_html *_xs_html_sctag(char *tag, xs_html *var[]);
 3 #define xs_html_sctag(tag, ...) _xs_html_sctag(tag, (xs_html *[]) { __VA_ARGS__, NULL })
 4 
 5-xs_str *xs_html_render_s(xs_html *h, xs_str *s);
 6-#define xs_html_render(h) xs_html_render_s(h, xs_str_new(NULL))
 7+void xs_html_render_f(xs_html *h, FILE *f);
 8+xs_str *xs_html_render_s(xs_html *tag, char *prefix);
 9+#define xs_html_render(tag) xs_html_render_s(tag, NULL)
10+
11 
12 #ifdef XS_IMPLEMENTATION
13 
14@@ -187,55 +189,72 @@ xs_html *_xs_html_sctag(char *tag, xs_html *var[])
15 }
16 
17 
18-xs_str *xs_html_render_s(xs_html *h, xs_str *s)
19-/* renders the tag and its subtags into s */
20+void xs_html_render_f(xs_html *h, FILE *f)
21+/* renders the tag and its subtags into a file */
22 {
23     xs_html *st;
24 
25     switch (h->type) {
26     case XS_HTML_TAG:
27     case XS_HTML_SCTAG:
28-        s = xs_str_cat(s, "<", h->content);
29+        fprintf(f, "<%s", h->content);
30 
31         /* render the attributes */
32         st = h->f_attr;
33         while (st) {
34             xs_html *nst = st->next;
35-            s = xs_html_render_s(st, s);
36+            xs_html_render_f(st, f);
37             st = nst;
38         }
39 
40         if (h->type == XS_HTML_SCTAG) {
41             /* self-closing tags should not have subtags */
42-            s = xs_str_cat(s, "/>\n");
43+            fprintf(f, "/>");
44         }
45         else {
46-            s = xs_str_cat(s, ">");
47+            fprintf(f, ">");
48 
49             /* render the subtags */
50             st = h->f_tag;
51             while (st) {
52                 xs_html *nst = st->next;
53-                s = xs_html_render_s(st, s);
54+                xs_html_render_f(st, f);
55                 st = nst;
56             }
57 
58-            s = xs_str_cat(s, "</", h->content, ">");
59+            fprintf(f, "</%s>", h->content);
60         }
61 
62         break;
63 
64     case XS_HTML_ATTR:
65-        s = xs_str_cat(s, " ", h->content);
66+        fprintf(f, " %s", h->content);
67         break;
68 
69     case XS_HTML_TEXT:
70-        s = xs_str_cat(s, h->content);
71+        fprintf(f, "%s", h->content);
72         break;
73     }
74 
75     xs_free(h->content);
76     xs_free(h);
77+}
78+
79+
80+xs_str *xs_html_render_s(xs_html *tag, char *prefix)
81+/* renders to a string */
82+{
83+    xs_str *s = NULL;
84+    size_t sz;
85+    FILE *f;
86+
87+    if ((f = open_memstream(&s, &sz)) != NULL) {
88+        if (prefix)
89+            fprintf(f, "%s", prefix);
90+
91+        xs_html_render_f(tag, f);
92+        fclose(f);
93+    }
94 
95     return s;
96 }

1@@ -1 +1 @@
2-/* 0e2c549f2ac6f4840649332097dc8471a3939cef 2023-11-26T16:44:32+01:00 */
3+/* ba85b6a3e2332fc51d12a5f9dc5ecbd5f5cc1555 2023-11-27T10:00:17+01:00 */