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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.
#include "src/inspector/string-util.h"
#include "src/inspector/protocol/Protocol.h"
namespace v8_inspector {
v8::Local<v8::String> toV8String(v8::Isolate* isolate, const String16& string) {
if (string.isEmpty()) return v8::String::Empty(isolate);
DCHECK(string.length() < v8::String::kMaxLength);
return v8::String::NewFromTwoByte(
isolate, reinterpret_cast<const uint16_t*>(string.characters16()),
v8::NewStringType::kNormal, static_cast<int>(string.length()))
.ToLocalChecked();
}
v8::Local<v8::String> toV8StringInternalized(v8::Isolate* isolate,
const String16& string) {
if (string.isEmpty()) return v8::String::Empty(isolate);
DCHECK(string.length() < v8::String::kMaxLength);
return v8::String::NewFromTwoByte(
isolate, reinterpret_cast<const uint16_t*>(string.characters16()),
v8::NewStringType::kInternalized,
static_cast<int>(string.length()))
.ToLocalChecked();
}
v8::Local<v8::String> toV8StringInternalized(v8::Isolate* isolate,
const char* str) {
return v8::String::NewFromUtf8(isolate, str, v8::NewStringType::kInternalized)
.ToLocalChecked();
}
v8::Local<v8::String> toV8String(v8::Isolate* isolate,
const StringView& string) {
if (!string.length()) return v8::String::Empty(isolate);
DCHECK(string.length() < v8::String::kMaxLength);
if (string.is8Bit())
return v8::String::NewFromOneByte(
isolate, reinterpret_cast<const uint8_t*>(string.characters8()),
v8::NewStringType::kNormal, static_cast<int>(string.length()))
.ToLocalChecked();
return v8::String::NewFromTwoByte(
isolate, reinterpret_cast<const uint16_t*>(string.characters16()),
v8::NewStringType::kNormal, static_cast<int>(string.length()))
.ToLocalChecked();
}
String16 toProtocolString(v8::Local<v8::String> value) {
if (value.IsEmpty() || value->IsNull() || value->IsUndefined())
return String16();
std::unique_ptr<UChar[]> buffer(new UChar[value->Length()]);
value->Write(reinterpret_cast<uint16_t*>(buffer.get()), 0, value->Length());
return String16(buffer.get(), value->Length());
}
String16 toProtocolStringWithTypeCheck(v8::Local<v8::Value> value) {
if (value.IsEmpty() || !value->IsString()) return String16();
return toProtocolString(value.As<v8::String>());
}
String16 toString16(const StringView& string) {
if (!string.length()) return String16();
if (string.is8Bit())
return String16(reinterpret_cast<const char*>(string.characters8()),
string.length());
return String16(reinterpret_cast<const UChar*>(string.characters16()),
string.length());
}
StringView toStringView(const String16& string) {
if (string.isEmpty()) return StringView();
return StringView(reinterpret_cast<const uint16_t*>(string.characters16()),
string.length());
}
bool stringViewStartsWith(const StringView& string, const char* prefix) {
if (!string.length()) return !(*prefix);
if (string.is8Bit()) {
for (size_t i = 0, j = 0; prefix[j] && i < string.length(); ++i, ++j) {
if (string.characters8()[i] != prefix[j]) return false;
}
} else {
for (size_t i = 0, j = 0; prefix[j] && i < string.length(); ++i, ++j) {
if (string.characters16()[i] != prefix[j]) return false;
}
}
return true;
}
namespace protocol {
std::unique_ptr<protocol::Value> parseJSON(const StringView& string) {
if (!string.length()) return nullptr;
if (string.is8Bit()) {
return protocol::parseJSON(string.characters8(),
static_cast<int>(string.length()));
}
return protocol::parseJSON(string.characters16(),
static_cast<int>(string.length()));
}
std::unique_ptr<protocol::Value> parseJSON(const String16& string) {
if (!string.length()) return nullptr;
return protocol::parseJSON(string.characters16(),
static_cast<int>(string.length()));
}
} // namespace protocol
// static
std::unique_ptr<StringBuffer> StringBuffer::create(const StringView& string) {
String16 owner = toString16(string);
return StringBufferImpl::adopt(owner);
}
// static
std::unique_ptr<StringBufferImpl> StringBufferImpl::adopt(String16& string) {
return wrapUnique(new StringBufferImpl(string));
}
StringBufferImpl::StringBufferImpl(String16& string) {
m_owner.swap(string);
m_string = toStringView(m_owner);
}
} // namespace v8_inspector
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