blob: 94bcd8891e0922c48ec52d501eb1115af603be2a [file] [log] [blame]
// This file is generated by DispatcherBase_cpp.template.
// Copyright 2019 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 {{format_include(config.protocol.package, "base_string_adapter")}}
#include {{format_include(config.protocol.package, "Protocol")}}
#include <utility>
#include "base/base64.h"
#include "base/json/json_reader.h"
#include "base/memory/ptr_util.h"
#include "base/strings/string16.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "base/values.h"
{% for namespace in config.protocol.namespace %}
namespace {{namespace}} {
{% endfor %}
std::unique_ptr<protocol::Value> toProtocolValue(
const base::Value* value, int depth) {
if (!value || !depth)
return nullptr;
if (value->is_none())
return protocol::Value::null();
if (value->is_bool()) {
bool inner;
value->GetAsBoolean(&inner);
return protocol::FundamentalValue::create(inner);
}
if (value->is_int()) {
int inner;
value->GetAsInteger(&inner);
return protocol::FundamentalValue::create(inner);
}
if (value->is_double()) {
double inner;
value->GetAsDouble(&inner);
return protocol::FundamentalValue::create(inner);
}
if (value->is_string()) {
std::string inner;
value->GetAsString(&inner);
return protocol::StringValue::create(inner);
}
if (value->is_list()) {
const base::ListValue* list = nullptr;
value->GetAsList(&list);
std::unique_ptr<protocol::ListValue> result = protocol::ListValue::create();
for (size_t i = 0; i < list->GetSize(); i++) {
const base::Value* item = nullptr;
list->Get(i, &item);
std::unique_ptr<protocol::Value> converted =
toProtocolValue(item, depth - 1);
if (converted)
result->pushValue(std::move(converted));
}
return std::move(result);
}
if (value->is_dict()) {
const base::DictionaryValue* dictionary = nullptr;
value->GetAsDictionary(&dictionary);
std::unique_ptr<protocol::DictionaryValue> result =
protocol::DictionaryValue::create();
for (base::DictionaryValue::Iterator it(*dictionary);
!it.IsAtEnd(); it.Advance()) {
std::unique_ptr<protocol::Value> converted =
toProtocolValue(&it.value(), depth - 1);
if (converted)
result->setValue(it.key(), std::move(converted));
}
return std::move(result);
}
return nullptr;
}
std::unique_ptr<base::Value> toBaseValue(Value* value, int depth) {
if (!value || !depth)
return nullptr;
if (value->type() == Value::TypeNull)
return std::make_unique<base::Value>();
if (value->type() == Value::TypeBoolean) {
bool inner;
value->asBoolean(&inner);
return base::WrapUnique(new base::Value(inner));
}
if (value->type() == Value::TypeInteger) {
int inner;
value->asInteger(&inner);
return base::WrapUnique(new base::Value(inner));
}
if (value->type() == Value::TypeDouble) {
double inner;
value->asDouble(&inner);
return base::WrapUnique(new base::Value(inner));
}
if (value->type() == Value::TypeString) {
std::string inner;
value->asString(&inner);
return base::WrapUnique(new base::Value(inner));
}
if (value->type() == Value::TypeArray) {
ListValue* list = ListValue::cast(value);
std::unique_ptr<base::ListValue> result(new base::ListValue());
for (size_t i = 0; i < list->size(); i++) {
std::unique_ptr<base::Value> converted =
toBaseValue(list->at(i), depth - 1);
if (converted)
result->Append(std::move(converted));
}
return std::move(result);
}
if (value->type() == Value::TypeObject) {
DictionaryValue* dict = DictionaryValue::cast(value);
std::unique_ptr<base::DictionaryValue> result(new base::DictionaryValue());
for (size_t i = 0; i < dict->size(); i++) {
DictionaryValue::Entry entry = dict->at(i);
std::unique_ptr<base::Value> converted =
toBaseValue(entry.second, depth - 1);
if (converted)
result->SetWithoutPathExpansion(entry.first, std::move(converted));
}
return std::move(result);
}
return nullptr;
}
// static
std::unique_ptr<Value> StringUtil::parseMessage(
const std::string& message, bool binary) {
if (binary) {
return Value::parseBinary(
reinterpret_cast<const uint8_t*>(message.data()),
message.length());
}
std::unique_ptr<base::Value> value = base::JSONReader::ReadDeprecated(message);
return toProtocolValue(value.get(), 1000);
}
// static
ProtocolMessage StringUtil::jsonToMessage(String message) {
return message;
}
// static
ProtocolMessage StringUtil::binaryToMessage(std::vector<uint8_t> message) {
// TODO(pfeldman): figure out what to do with this copy.
return std::string(reinterpret_cast<const char*>(message.data()), message.size());
}
StringBuilder::StringBuilder() {}
StringBuilder::~StringBuilder() {}
void StringBuilder::append(const std::string& s) {
string_ += s;
}
void StringBuilder::append(char c) {
string_ += c;
}
void StringBuilder::append(const char* characters, size_t length) {
string_.append(characters, length);
}
// static
void StringUtil::builderAppendQuotedString(StringBuilder& builder,
const String& str) {
builder.append('"');
base::string16 str16 = base::UTF8ToUTF16(str);
escapeWideStringForJSON(reinterpret_cast<const uint16_t*>(&str16[0]),
str16.length(), &builder);
builder.append('"');
}
std::string StringBuilder::toString() {
return string_;
}
void StringBuilder::reserveCapacity(size_t capacity) {
string_.reserve(capacity);
}
// static
String StringUtil::fromUTF16(const uint16_t* data, size_t length) {
std::string utf8;
base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(data), length, &utf8);
return utf8;
}
Binary::Binary() : bytes_(new base::RefCountedBytes) {}
Binary::Binary(const Binary& binary) : bytes_(binary.bytes_) {}
Binary::Binary(scoped_refptr<base::RefCountedMemory> bytes) : bytes_(bytes) {}
Binary::~Binary() {}
String Binary::toBase64() const {
std::string encoded;
base::Base64Encode(
base::StringPiece(reinterpret_cast<const char*>(bytes_->front()),
bytes_->size()),
&encoded);
return encoded;
}
// static
Binary Binary::fromBase64(const String& base64, bool* success) {
std::string decoded;
*success = base::Base64Decode(base::StringPiece(base64), &decoded);
if (*success) {
return Binary::fromString(std::move(decoded));
}
return Binary();
}
// static
Binary Binary::fromRefCounted(scoped_refptr<base::RefCountedMemory> memory) {
return Binary(memory);
}
// static
Binary Binary::fromVector(std::vector<uint8_t> data) {
return Binary(base::RefCountedBytes::TakeVector(&data));
}
// static
Binary Binary::fromString(std::string data) {
return Binary(base::RefCountedString::TakeString(&data));
}
// static
Binary Binary::fromSpan(const uint8_t* data, size_t size) {
return Binary(scoped_refptr<base::RefCountedBytes>(
new base::RefCountedBytes(data, size)));
}
namespace {
int32_t ReadEnvelopeSize(const uint8_t* in) {
return (in[0] << 24) + (in[1] << 16) + (in[2] << 8) + in[3];
}
void WriteEnvelopeSize(uint32_t value, uint8_t* out) {
*(out++) = (value >> 24) & 0xFF;
*(out++) = (value >> 16) & 0xFF;
*(out++) = (value >> 8) & 0xFF;
*(out++) = (value) & 0xFF;
}
}
bool AppendStringValueToMapBinary(base::StringPiece in,
base::StringPiece key, base::StringPiece value, std::string* out) {
if (in.size() < 1 + 1 + 4 + 1 + 1)
return false;
const uint8_t* envelope = reinterpret_cast<const uint8_t*>(in.data());
if (cbor::InitialByteForEnvelope() != envelope[0])
return false;
if (cbor::InitialByteFor32BitLengthByteString() != envelope[1])
return false;
if (cbor::EncodeIndefiniteLengthMapStart() != envelope[6])
return false;
uint32_t envelope_size = ReadEnvelopeSize(envelope + 2);
if (envelope_size + 2 + 4 != in.size())
return false;
if (cbor::EncodeStop() != static_cast<uint8_t>(*in.rbegin()))
return false;
std::vector<uint8_t> encoded_entry;
encoded_entry.reserve(1 + 4 + key.size() + 1 + 4 + value.size());
span<uint8_t> key_span(
reinterpret_cast<const uint8_t*>(key.data()), key.size());
cbor::EncodeString8(key_span, &encoded_entry);
span<uint8_t> value_span(
reinterpret_cast<const uint8_t*>(value.data()), value.size());
cbor::EncodeString8(value_span, &encoded_entry);
out->clear();
out->reserve(in.size() + encoded_entry.size());
out->append(in.begin(), in.end() - 1);
out->append(reinterpret_cast<const char*>(encoded_entry.data()),
encoded_entry.size());
out->append(1, static_cast<char>(cbor::EncodeStop()));
std::size_t new_size = envelope_size + out->size() - in.size();
if (new_size > static_cast<std::size_t>(
std::numeric_limits<uint32_t>::max())) {
return false;
}
WriteEnvelopeSize(new_size, reinterpret_cast<uint8_t*>(&*out->begin() + 2));
return true;
}
bool AppendStringValueToMapJSON(base::StringPiece in,
base::StringPiece key, base::StringPiece value, std::string* out) {
if (!in.length() || *in.rbegin() != '}')
return false;
std::string suffix =
base::StringPrintf(", \"%s\": \"%s\"}", key.begin(), value.begin());
out->clear();
out->reserve(in.length() + suffix.length() - 1);
out->append(in.data(), in.length() - 1);
out->append(suffix);
return true;
}
{% for namespace in config.protocol.namespace %}
} // namespace {{namespace}}
{% endfor %}