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Add mg_url_encode_opt()

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CL: Add `mg_url_encode_opt()` - a parametrized version of `mg_url_encode()`

PUBLISHED_FROM=17fa57a7a5325b51b6e3aef3855eac4e82c35782
This commit is contained in:
Deomid Ryabkov authored and Cesanta Bot committed 2018-04-10 11:04:31 +00:00
1 parent c2fbff6d0e
commit e89be2e944
6 files changed
+81 -18
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src/mg_util.c
+12 -4
View File
@@ -313,17 +313,21 @@ void mg_basic_auth_header(const struct mg_str user, const struct mg_str pass,
mbuf_append(buf, header_suffix, strlen(header_suffix));
}
struct mg_str mg_url_encode(const struct mg_str src) {
static const char *dont_escape = "._-$,;~()/";
static const char *hex = "0123456789abcdef";
struct mg_str mg_url_encode_opt(const struct mg_str src,
const struct mg_str safe, unsigned int flags) {
const char *hex =
(flags & MG_URL_ENCODE_F_UPPERCASE_HEX ? "0123456789ABCDEF"
: "0123456789abcdef");
size_t i = 0;
struct mbuf mb;
mbuf_init(&mb, src.len);
for (i = 0; i < src.len; i++) {
const unsigned char c = *((const unsigned char *) src.p + i);
if (isalnum(c) || strchr(dont_escape, c) != NULL) {
if (isalnum(c) || mg_strchr(safe, c) != NULL) {
mbuf_append(&mb, &c, 1);
} else if (c == ' ' && (flags & MG_URL_ENCODE_F_SPACE_AS_PLUS)) {
mbuf_append(&mb, "+", 1);
} else {
mbuf_append(&mb, "%", 1);
mbuf_append(&mb, &hex[c >> 4], 1);
@@ -334,3 +338,7 @@ struct mg_str mg_url_encode(const struct mg_str src) {
mbuf_trim(&mb);
return mg_mk_str_n(mb.buf, mb.len - 1);
}
struct mg_str mg_url_encode(const struct mg_str src) {
return mg_url_encode_opt(src, mg_mk_str("._-$,;~()/"), 0);
}