chromium/base/json/string_escape.cc

// Copyright 2006-2008 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/json/string_escape.h"

#include <stddef.h>
#include <stdint.h>

#include <limits>
#include <string>
#include <string_view>

#include "base/check_op.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversion_utils.h"
#include "base/strings/utf_string_conversions.h"
#include "base/third_party/icu/icu_utf.h"

namespace base {

namespace {

// Format string for printing a \uXXXX escape sequence.
const char kU16EscapeFormat[] = …;

// The code point to output for an invalid input code unit.
const base_icu::UChar32 kReplacementCodePoint = …;

// Used below in EscapeSpecialCodePoint().
static_assert …;

// Try to escape the |code_point| if it is a known special character. If
// successful, returns true and appends the escape sequence to |dest|. This
// isn't required by the spec, but it's more readable by humans.
bool EscapeSpecialCodePoint(base_icu::UChar32 code_point, std::string* dest) { … }

template <typename S>
bool EscapeJSONStringImpl(const S& str, bool put_in_quotes, std::string* dest) { … }

}  // namespace

bool EscapeJSONString(std::string_view str,
                      bool put_in_quotes,
                      std::string* dest) { … }

bool EscapeJSONString(std::u16string_view str,
                      bool put_in_quotes,
                      std::string* dest) { … }

std::string GetQuotedJSONString(std::string_view str) { … }

std::string GetQuotedJSONString(std::u16string_view str) { … }

std::string EscapeBytesAsInvalidJSONString(std::string_view str,
                                           bool put_in_quotes) { … }

}  // namespace base