cosmopolitan/third_party/lua/luaparseurl.c

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney                              │
│                                                                              │
│ Permission to use, copy, modify, and/or distribute this software for         │
│ any purpose with or without fee is hereby granted, provided that the         │
│ above copyright notice and this permission notice appear in all copies.      │
│                                                                              │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
│ PERFORMANCE OF THIS SOFTWARE.                                                │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/mem/mem.h"
#include "net/http/url.h"
#include "third_party/lua/cosmo.h"
#include "third_party/lua/lauxlib.h"
#include "third_party/lua/lua.h"

static void LuaPushUrlView(lua_State *L, struct UrlView *v) {
  if (v->p) {
    lua_pushlstring(L, v->p, v->n);
  } else {
    lua_pushnil(L);
  }
}

static void LuaSetUrlView(lua_State *L, struct UrlView *v, const char *k) {
  LuaPushUrlView(L, v);
  lua_setfield(L, -2, k);
}

int LuaParseUrl(lua_State *L) {
  int f;
  void *m;
  size_t n;
  struct Url h;
  const char *p;
  p = luaL_checklstring(L, 1, &n);
  f = luaL_optinteger(L, 2, 0);
  m = ParseUrl(p, n, &h, f);
  lua_newtable(L);
  LuaSetUrlView(L, &h.scheme, "scheme");
  LuaSetUrlView(L, &h.user, "user");
  LuaSetUrlView(L, &h.pass, "pass");
  LuaSetUrlView(L, &h.host, "host");
  LuaSetUrlView(L, &h.port, "port");
  LuaSetUrlView(L, &h.path, "path");
  LuaSetUrlView(L, &h.fragment, "fragment");
  LuaPushUrlParams(L, &h.params);
  lua_setfield(L, -2, "params");
  free(h.params.p);
  free(m);
  return 1;
}