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// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_INSPECTOR_STRING_UTIL_H_
#define V8_INSPECTOR_STRING_UTIL_H_
#include <stdint.h>
#include <memory>
#include "src/base/logging.h"
#include "src/base/macros.h"
#include "src/inspector/string-16.h"
#include "include/v8-inspector.h"
namespace v8_inspector {
namespace protocol {
class Value;
using String = v8_inspector::String16;
class StringUtil {
public:
static String fromUTF8(const uint8_t* data, size_t length) {
return String16::fromUTF8(reinterpret_cast<const char*>(data), length);
}
static String fromUTF16LE(const uint16_t* data, size_t length) {
return String16::fromUTF16(data, length);
}
static const uint8_t* CharactersLatin1(const String& s) { return nullptr; }
static const uint8_t* CharactersUTF8(const String& s) { return nullptr; }
static const uint16_t* CharactersUTF16(const String& s) {
return s.characters16();
}
static size_t CharacterCount(const String& s) { return s.length(); }
};
// A read-only sequence of uninterpreted bytes with reference-counted storage.
// Though the templates for generating the protocol bindings reference
// this type, js_protocol.pdl doesn't have a field of type 'binary', so
// therefore it's unnecessary to provide an implementation here.
class Binary {
public:
Binary() = default;
const uint8_t* data() const { return bytes_->data(); }
size_t size() const { return bytes_->size(); }
String toBase64() const { UNIMPLEMENTED(); }
static Binary fromBase64(const String& base64, bool* success) {
UNIMPLEMENTED();
}
static Binary fromSpan(const uint8_t* data, size_t size) {
return Binary(std::make_shared<std::vector<uint8_t>>(data, data + size));
}
private:
std::shared_ptr<std::vector<uint8_t>> bytes_;
explicit Binary(std::shared_ptr<std::vector<uint8_t>> bytes)
: bytes_(bytes) {}
};
} // namespace protocol
v8::Local<v8::String> toV8String(v8::Isolate*, const String16&);
v8::Local<v8::String> toV8StringInternalized(v8::Isolate*, const String16&);
v8::Local<v8::String> toV8StringInternalized(v8::Isolate*, const char*);
v8::Local<v8::String> toV8String(v8::Isolate*, const StringView&);
// TODO(dgozman): rename to toString16.
String16 toProtocolString(v8::Isolate*, v8::Local<v8::String>);
String16 toProtocolStringWithTypeCheck(v8::Isolate*, v8::Local<v8::Value>);
String16 toString16(const StringView&);
StringView toStringView(const String16&);
bool stringViewStartsWith(const StringView&, const char*);
// Creates a string buffer instance which owns |str|, a 16 bit string.
std::unique_ptr<StringBuffer> StringBufferFrom(String16 str);
// Creates a string buffer instance which owns |str|, an 8 bit string.
// 8 bit strings are used for LATIN1 text (which subsumes 7 bit ASCII, e.g.
// our generated JSON), as well as for CBOR encoded binary messages.
std::unique_ptr<StringBuffer> StringBufferFrom(std::vector<uint8_t> str);
String16 stackTraceIdToString(uintptr_t id);
} // namespace v8_inspector
// See third_party/inspector_protocol/crdtp/serializer_traits.h.
namespace v8_crdtp {
template <>
struct SerializerTraits<v8_inspector::protocol::Binary> {
static void Serialize(const v8_inspector::protocol::Binary& binary,
std::vector<uint8_t>* out);
};
} // namespace v8_crdtp
#endif // V8_INSPECTOR_STRING_UTIL_H_
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