mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2025-02-23 18:33:22 +03:00
100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#include "net/log/net_log_values.h"
|
|
|
|
#include "base/base64.h"
|
|
#include "base/strings/string_number_conversions.h"
|
|
#include "base/strings/string_util.h"
|
|
#include "base/values.h"
|
|
#include "net/base/escape.h"
|
|
|
|
namespace net {
|
|
|
|
namespace {
|
|
|
|
// IEEE 64-bit doubles have a 52-bit mantissa, and can therefore represent
|
|
// 53-bits worth of precision (see also documentation for JavaScript's
|
|
// Number.MAX_SAFE_INTEGER for more discussion on this).
|
|
//
|
|
// If the number can be represented with an int or double use that. Otherwise
|
|
// fallback to encoding it as a string.
|
|
template <typename T>
|
|
base::Value NetLogNumberValueHelper(T num) {
|
|
// Fits in a (32-bit) int: [-2^31, 2^31 - 1]
|
|
if ((!std::is_signed<T>::value || (num >= static_cast<T>(-2147483648))) &&
|
|
(num <= static_cast<T>(2147483647))) {
|
|
return base::Value(static_cast<int>(num));
|
|
}
|
|
|
|
// Fits in a double: (-2^53, 2^53)
|
|
if ((!std::is_signed<T>::value ||
|
|
(num >= static_cast<T>(-9007199254740991))) &&
|
|
(num <= static_cast<T>(9007199254740991))) {
|
|
return base::Value(static_cast<double>(num));
|
|
}
|
|
|
|
// Otherwise format as a string.
|
|
return base::Value(base::NumberToString(num));
|
|
}
|
|
|
|
} // namespace
|
|
|
|
base::Value NetLogStringValue(base::StringPiece raw) {
|
|
// The common case is that |raw| is ASCII. Represent this directly.
|
|
if (base::IsStringASCII(raw))
|
|
return base::Value(raw);
|
|
|
|
// For everything else (including valid UTF-8) percent-escape |raw|, and add a
|
|
// prefix that "tags" the value as being a percent-escaped representation.
|
|
//
|
|
// Note that the sequence E2 80 8B is U+200B (zero-width space) in UTF-8. It
|
|
// is added so the escaped string is not itself also ASCII (otherwise there
|
|
// would be ambiguity for consumers as to when the value needs to be
|
|
// unescaped).
|
|
return base::Value("%ESCAPED:\xE2\x80\x8B " + EscapeNonASCIIAndPercent(raw));
|
|
}
|
|
|
|
base::Value NetLogBinaryValue(const void* bytes, size_t length) {
|
|
std::string b64;
|
|
Base64Encode(base::StringPiece(reinterpret_cast<const char*>(bytes), length),
|
|
&b64);
|
|
return base::Value(std::move(b64));
|
|
}
|
|
|
|
base::Value NetLogNumberValue(int64_t num) {
|
|
return NetLogNumberValueHelper(num);
|
|
}
|
|
|
|
base::Value NetLogNumberValue(uint64_t num) {
|
|
return NetLogNumberValueHelper(num);
|
|
}
|
|
|
|
base::Value NetLogParamsWithInt(base::StringPiece name, int value) {
|
|
base::Value params(base::Value::Type::DICTIONARY);
|
|
params.SetIntKey(name, value);
|
|
return params;
|
|
}
|
|
|
|
base::Value NetLogParamsWithInt64(base::StringPiece name, int64_t value) {
|
|
base::DictionaryValue event_params;
|
|
event_params.SetKey(name, NetLogNumberValue(value));
|
|
return std::move(event_params);
|
|
}
|
|
|
|
base::Value NetLogParamsWithBool(base::StringPiece name, bool value) {
|
|
base::Value params(base::Value::Type::DICTIONARY);
|
|
params.SetBoolKey(name, value);
|
|
return params;
|
|
}
|
|
|
|
base::Value NetLogParamsWithString(base::StringPiece name,
|
|
base::StringPiece value) {
|
|
base::Value params(base::Value::Type::DICTIONARY);
|
|
params.SetStringKey(name, value);
|
|
return params;
|
|
}
|
|
|
|
} // namespace net
|