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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;
using StringBuilder = v8_inspector::String16Builder;
struct ProtocolMessage {
String json;
std::vector<uint8_t> binary;
};
class StringUtil {
public:
static String substring(const String& s, size_t pos, size_t len) {
return s.substring(pos, len);
}
static String fromInteger(int number) { return String::fromInteger(number); }
static String fromInteger(size_t number) {
return String::fromInteger(number);
}
static String fromDouble(double number) { return String::fromDouble(number); }
static double toDouble(const char* s, size_t len, bool* isOk);
static size_t find(const String& s, const char* needle) {
return s.find(needle);
}
static size_t find(const String& s, const String& needle) {
return s.find(needle);
}
static const size_t kNotFound = String::kNotFound;
static void builderAppend(StringBuilder& builder, const String& s) {
builder.append(s);
}
static void builderAppend(StringBuilder& builder, UChar c) {
builder.append(c);
}
static void builderAppend(StringBuilder& builder, const char* s, size_t len) {
builder.append(s, len);
}
static void builderAppendQuotedString(StringBuilder&, const String&);
static void builderReserve(StringBuilder& builder, size_t capacity) {
builder.reserveCapacity(capacity);
}
static String builderToString(StringBuilder& builder) {
return builder.toString();
}
static std::unique_ptr<protocol::Value> parseJSON(const String16& json);
static std::unique_ptr<protocol::Value> parseJSON(const StringView& json);
static std::unique_ptr<protocol::Value> parseProtocolMessage(
const ProtocolMessage&);
static ProtocolMessage jsonToMessage(String message);
static ProtocolMessage binaryToMessage(std::vector<uint8_t> message);
static String fromUTF8(const uint8_t* data, size_t length) {
return String16::fromUTF8(reinterpret_cast<const char*>(data), length);
}
static String fromUTF16(const uint16_t* data, size_t length) {
return String16(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:
const uint8_t* data() const { UNIMPLEMENTED(); }
size_t size() const { UNIMPLEMENTED(); }
String toBase64() const { UNIMPLEMENTED(); }
static Binary fromBase64(const String& base64, bool* success) {
UNIMPLEMENTED();
}
static Binary fromSpan(const uint8_t* data, size_t size) { UNIMPLEMENTED(); }
};
} // 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*);
class StringBufferImpl : public StringBuffer {
public:
// Destroys string's content.
static std::unique_ptr<StringBufferImpl> adopt(String16&);
const StringView& string() override { return m_string; }
private:
explicit StringBufferImpl(String16&);
String16 m_owner;
StringView m_string;
DISALLOW_COPY_AND_ASSIGN(StringBufferImpl);
};
class BinaryStringBuffer : public StringBuffer {
public:
explicit BinaryStringBuffer(std::vector<uint8_t> data)
: m_data(std::move(data)), m_string(m_data.data(), m_data.size()) {}
const StringView& string() override { return m_string; }
private:
std::vector<uint8_t> m_data;
StringView m_string;
DISALLOW_COPY_AND_ASSIGN(BinaryStringBuffer);
};
String16 debuggerIdToString(const std::pair<int64_t, int64_t>& debuggerId);
String16 stackTraceIdToString(uintptr_t id);
} // namespace v8_inspector
#endif // V8_INSPECTOR_STRING_UTIL_H_