--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/kj/compat/url.h	Tue Mar 18 17:55:14 2025 -0400
@@ -0,0 +1,151 @@
+// Copyright (c) 2017 Cloudflare, Inc. and contributors
+// Licensed under the MIT License:
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#pragma once
+
+#include <kj/string.h>
+#include <kj/vector.h>
+#include <inttypes.h>
+
+KJ_BEGIN_HEADER
+
+namespace kj {
+
+struct UrlOptions {
+  // A bag of options that you can pass to Url::parse()/tryParse() to customize the parser's
+  // behavior.
+  //
+  // A copy of this options struct will be stored in the parsed Url object, at which point it
+  // controls the behavior of the serializer in Url::toString().
+
+  bool percentDecode = true;
+  // True if URL components should be automatically percent-decoded during parsing, and
+  // percent-encoded during serialization.
+
+  bool allowEmpty = false;
+  // Whether or not to allow empty path and query components when parsing; otherwise, they are
+  // silently removed. In other words, setting this false causes consecutive slashes in the path or
+  // consecutive ampersands in the query to be collapsed into one, whereas if true then they
+  // produce empty components.
+};
+
+struct Url {
+  // Represents a URL (or, more accurately, a URI, but whatever).
+  //
+  // Can be parsed from a string and composed back into a string.
+
+  String scheme;
+  // E.g. "http", "https".
+
+  struct UserInfo {
+    String username;
+    Maybe<String> password;
+  };
+
+  Maybe<UserInfo> userInfo;
+  // Username / password.
+
+  String host;
+  // Hostname, including port if specified. We choose not to parse out the port because KJ's
+  // network address parsing functions already accept addresses containing port numbers, and
+  // because most web standards don't actually want to separate host and port.
+
+  Vector<String> path;
+  bool hasTrailingSlash = false;
+  // Path, split on '/' characters. Note that the individual components of `path` could contain
+  // '/' characters if they were percent-encoded in the original URL.
+  //
+  // No component of the path is allowed to be "", ".", nor ".."; if such components are present,
+  // toString() will throw. Note that parse() and parseRelative() automatically resolve such
+  // components.
+
+  struct QueryParam {
+    String name;
+    String value;
+  };
+  Vector<QueryParam> query;
+  // Query, e.g. from "?key=value&key2=value2". If a component of the query contains no '=' sign,
+  // it will be parsed as a key with a null value, and later serialized with no '=' sign if you call
+  // Url::toString().
+  //
+  // To distinguish between null-valued and empty-valued query parameters, we test whether
+  // QueryParam::value is an allocated or unallocated string. For example:
+  //
+  //     QueryParam { kj::str("name"), nullptr }      // Null-valued; will not have an '=' sign.
+  //     QueryParam { kj::str("name"), kj::str("") }  // Empty-valued; WILL have an '=' sign.
+
+  Maybe<String> fragment;
+  // The stuff after the '#' character (not including the '#' character itself), if present.
+
+  using Options = UrlOptions;
+  Options options;
+
+  // ---------------------------------------------------------------------------
+
+  Url() = default;
+  Url(Url&&) = default;
+  ~Url() noexcept(false);
+  Url& operator=(Url&&) = default;
+
+  inline Url(String&& scheme, Maybe<UserInfo>&& userInfo, String&& host, Vector<String>&& path,
+             bool hasTrailingSlash, Vector<QueryParam>&& query, Maybe<String>&& fragment,
+             UrlOptions options)
+      : scheme(kj::mv(scheme)), userInfo(kj::mv(userInfo)), host(kj::mv(host)), path(kj::mv(path)),
+        hasTrailingSlash(hasTrailingSlash), query(kj::mv(query)), fragment(kj::mv(fragment)),
+        options(options) {}
+  // This constructor makes brace initialization work in C++11 and C++20 -- but is technically not
+  // needed in C++14 nor C++17. Go figure.
+
+  Url clone() const;
+
+  enum Context {
+    REMOTE_HREF,
+    // A link to a remote resource. Requires an authority (hostname) section, hence this will
+    // reject things like "mailto:" and "data:". This is the default context.
+
+    HTTP_PROXY_REQUEST,
+    // The URL to place in the first line of an HTTP proxy request. This includes scheme, host,
+    // path, and query, but omits userInfo (which should be used to construct the Authorization
+    // header) and fragment (which should not be transmitted).
+
+    HTTP_REQUEST
+    // The path to place in the first line of a regular HTTP request. This includes only the path
+    // and query. Scheme, user, host, and fragment are omitted.
+
+    // TODO(someday): Add context(s) that supports things like "mailto:", "data:", "blob:". These
+    //   don't have an authority section.
+  };
+
+  kj::String toString(Context context = REMOTE_HREF) const;
+  // Convert the URL to a string.
+
+  static Url parse(StringPtr text, Context context = REMOTE_HREF, Options options = {});
+  static Maybe<Url> tryParse(StringPtr text, Context context = REMOTE_HREF, Options options = {});
+  // Parse an absolute URL.
+
+  Url parseRelative(StringPtr relative) const;
+  Maybe<Url> tryParseRelative(StringPtr relative) const;
+  // Parse a relative URL string with this URL as the base.
+};
+
+} // namespace kj
+
+KJ_END_HEADER