chromium/base/strings/string_split.cc

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/strings/string_split.h"

#include <stddef.h>

#include <string_view>

#include "base/logging.h"
#include "base/strings/string_split_internal.h"
#include "base/strings/string_util.h"
#include "base/third_party/icu/icu_utf.h"

namespace base {

namespace {

// Helper for the various *SplitStringOnce implementations. When returning a
// pair of `std::string_view`, does not include the character at `position`.
std::optional<std::pair<std::string_view, std::string_view>>
SplitStringAtExclusive(std::string_view input, size_t position) { … }

bool AppendStringKeyValue(std::string_view input,
                          char delimiter,
                          StringPairs* result) { … }

}  // namespace

std::optional<std::pair<std::string_view, std::string_view>> SplitStringOnce(
    std::string_view input,
    char separator) { … }

std::optional<std::pair<std::string_view, std::string_view>> SplitStringOnce(
    std::string_view input,
    std::string_view separators) { … }

std::optional<std::pair<std::string_view, std::string_view>> RSplitStringOnce(
    std::string_view input,
    char separator) { … }

std::optional<std::pair<std::string_view, std::string_view>> RSplitStringOnce(
    std::string_view input,
    std::string_view separators) { … }

std::vector<std::string> SplitString(std::string_view input,
                                     std::string_view separators,
                                     WhitespaceHandling whitespace,
                                     SplitResult result_type) { … }

std::vector<std::u16string> SplitString(std::u16string_view input,
                                        std::u16string_view separators,
                                        WhitespaceHandling whitespace,
                                        SplitResult result_type) { … }

std::vector<std::string_view> SplitStringPiece(std::string_view input,
                                               std::string_view separators,
                                               WhitespaceHandling whitespace,
                                               SplitResult result_type) { … }

std::vector<std::u16string_view> SplitStringPiece(
    std::u16string_view input,
    std::u16string_view separators,
    WhitespaceHandling whitespace,
    SplitResult result_type) { … }

bool SplitStringIntoKeyValuePairs(std::string_view input,
                                  char key_value_delimiter,
                                  char key_value_pair_delimiter,
                                  StringPairs* key_value_pairs) { … }

bool SplitStringIntoKeyValuePairsUsingSubstr(
    std::string_view input,
    char key_value_delimiter,
    std::string_view key_value_pair_delimiter,
    StringPairs* key_value_pairs) { … }

std::vector<std::u16string> SplitStringUsingSubstr(
    std::u16string_view input,
    std::u16string_view delimiter,
    WhitespaceHandling whitespace,
    SplitResult result_type) { … }

std::vector<std::string> SplitStringUsingSubstr(std::string_view input,
                                                std::string_view delimiter,
                                                WhitespaceHandling whitespace,
                                                SplitResult result_type) { … }

std::vector<std::u16string_view> SplitStringPieceUsingSubstr(
    std::u16string_view input,
    std::u16string_view delimiter,
    WhitespaceHandling whitespace,
    SplitResult result_type) { … }

std::vector<std::string_view> SplitStringPieceUsingSubstr(
    std::string_view input,
    std::string_view delimiter,
    WhitespaceHandling whitespace,
    SplitResult result_type) { … }

}  // namespace base