chromium/components/url_pattern/url_pattern_util.cc

// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "components/url_pattern/url_pattern_util.h"

#include <string_view>

#include "base/numerics/safe_conversions.h"
#include "base/ranges/ranges.h"
#include "base/strings/strcat.h"
#include "base/strings/string_util.h"
#include "url/url_util.h"

namespace url_pattern {
namespace {

std::string StdStringFromCanonOutput(const url::CanonOutput& output,
                                     const url::Component& component) { … }

bool ContainsForbiddenHostnameCodePoint(std::string_view input) { … }

}  // namespace

absl::StatusOr<std::string> ProtocolEncodeCallback(std::string_view input) { … }

absl::StatusOr<std::string> UsernameEncodeCallback(std::string_view input) { … }

absl::StatusOr<std::string> PasswordEncodeCallback(std::string_view input) { … }

absl::StatusOr<std::string> IPv6HostnameEncodeCallback(std::string_view input) { … }

absl::StatusOr<std::string> HostnameEncodeCallback(std::string_view input) { … }

absl::StatusOr<std::string> PortEncodeCallback(std::string_view input) { … }

absl::StatusOr<std::string> StandardURLPathnameEncodeCallback(
    std::string_view input) { … }

absl::StatusOr<std::string> PathURLPathnameEncodeCallback(
    std::string_view input) { … }

absl::StatusOr<std::string> SearchEncodeCallback(std::string_view input) { … }

absl::StatusOr<std::string> HashEncodeCallback(std::string_view input) { … }

// Utility method to determine if a particular hostname pattern should be
// treated as an IPv6 hostname.  This implements a simple and fast heuristic
// looking for a leading `[`.  It is intended to catch the most common cases
// with minimum overhead.
bool TreatAsIPv6Hostname(std::string_view pattern_utf8) { … }

}  // namespace url_pattern