str_split.cc | Explore in Territory

// Copyright 2017 The Abseil Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "absl/strings/str_split.h"

#include <algorithm>
#include <cstddef>
#include <cstdlib>
#include <cstring>

#include "absl/base/config.h"
#include "absl/base/internal/raw_logging.h"
#include "absl/strings/string_view.h"

namespace absl {
ABSL_NAMESPACE_BEGIN

namespace {

// This GenericFind() template function encapsulates the finding algorithm
// shared between the ByString and ByAnyChar delimiters. The FindPolicy
// template parameter allows each delimiter to customize the actual find
// function to use and the length of the found delimiter. For example, the
// Literal delimiter will ultimately use absl::string_view::find(), and the
// AnyOf delimiter will use absl::string_view::find_first_of().
template <typename FindPolicy>
absl::string_view GenericFind(absl::string_view text,
                              absl::string_view delimiter, size_t pos,
                              FindPolicy find_policy) { … }

// Finds using absl::string_view::find(), therefore the length of the found
// delimiter is delimiter.length().
struct LiteralPolicy { … };

// Finds using absl::string_view::find_first_of(), therefore the length of the
// found delimiter is 1.
struct AnyOfPolicy { … };

}  // namespace

//
// ByString
//

ByString::ByString(absl::string_view sp) : … { … }

absl::string_view ByString::Find(absl::string_view text, size_t pos) const { … }

absl::string_view ByAsciiWhitespace::Find(absl::string_view text,
                                          size_t pos) const { … }

//
// ByChar
//

absl::string_view ByChar::Find(absl::string_view text, size_t pos) const { … }

//
// ByAnyChar
//

ByAnyChar::ByAnyChar(absl::string_view sp) : … { … }

absl::string_view ByAnyChar::Find(absl::string_view text, size_t pos) const { … }

//
// ByLength
//
ByLength::ByLength(ptrdiff_t length) : … { … }

absl::string_view ByLength::Find(absl::string_view text, size_t pos) const { … }

ABSL_NAMESPACE_END
}  // namespace absl
chromium/third_party/abseil-cpp/absl/strings/str_split.cc
