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Justine Tunney 2020-06-15 07:18:57 -07:00
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net/http/uri.h Normal file
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#ifndef COSMOPOLITAN_NET_HTTP_URI_H_
#define COSMOPOLITAN_NET_HTTP_URI_H_
#include "libc/dns/dns.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
enum UriScheme {
kUriSchemeHttp = 1,
kUriSchemeHttps,
kUriSchemeFile,
kUriSchemeData,
kUriSchemeZip,
kUriSchemeSip,
kUriSchemeSips,
kUriSchemeTel,
kUriSchemeSsh,
kUriSchemeGs,
kUriSchemeS3
};
struct Uri {
/*
* e.g. "", "http", "sip", "http", "dns+http", etc.
*/
struct UriSlice {
/*
* !i && !n means absent
* i && !n means empty
*/
unsigned i, n;
} scheme;
/*
* Holds remainder for exotic URI schemes, e.g. data.
*/
struct UriSlice opaque;
/*
* e.g. sip:user@host, //user:pass@host
*/
struct UriSlice userinfo;
/*
* e.g. "", "example.com", "1.2.3.4", "::1", etc.
*/
struct UriSlice host;
/*
* e.g. "", "5060", "80", etc.
*/
struct UriSlice port;
/*
* e.g. /dir/index.html means
* - memcmp("/dir/index.html",
* p + segs.p[0].i,
* (segs.p[segs.i - 1].n +
* (segs.p[segs.i - 1].i -
* segs.p[0].i))) == 0
* - memcmp("/dir", p + segs.p[0].i, segs.p[0].n) == 0
* - memcmp("/index.html", p + segs.p[1].i, segs.p[1].n) == 0
*/
struct UriSlices {
unsigned i, n;
struct UriSlice *p;
} segs;
/* e.g. ;lr;isup-oli=00;day=tuesday */
struct UriKeyvals {
unsigned i, n;
struct UriKeyval {
struct UriSlice k, v;
} * p;
} params;
/*
* e.g. /dir;super=rare/index.html
*
* let 𝑖 ∈ [0,params.i)
* paramsegs.p[𝑖].r ∈ [0,segs.i]
*/
struct UriRefs {
unsigned i, n;
struct UriRef {
unsigned r;
} * p;
} paramsegs;
/* e.g. ?boop&subject=project%20x&lol=cat */
struct UriKeyvals queries;
/* e.g. #anchor */
struct UriSlice fragment;
};
int uricspn(const char *data, size_t size);
int uriparse(struct Uri *, const char *, size_t) paramsnonnull((1));
enum UriScheme urischeme(struct UriSlice, const char *)
paramsnonnull() nosideeffect;
struct UriSlice uripath(const struct Uri *) paramsnonnull() nosideeffect;
char *urislice2cstr(char *, size_t, struct UriSlice, const char *, const char *)
paramsnonnull((1, 4));
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_NET_HTTP_URI_H_ */