// 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 StringUTF8Adapter { public: explicit StringUTF8Adapter(const String& string) : string_(string.utf8()) {} const char* Data() const { return string_.data(); } size_t length() const { return string_.length(); } private: std::string string_; }; 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 void writeUTF8(const String& string, std::vector<uint8_t>* out) { // TODO(pfeldman): get rid of the copy here. std::string utf8 = string.utf8(); const uint8_t* data = reinterpret_cast<const uint8_t*>(utf8.data()); out->insert(out->end(), data, data + utf8.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_