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| 1 // Copyright 2016 the V8 project authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "src/inspector/StringUtil.h" | |
| 6 | |
| 7 #include "src/inspector/protocol/Protocol.h" | |
| 8 | |
| 9 namespace v8_inspector { | |
| 10 | |
| 11 v8::Local<v8::String> toV8String(v8::Isolate* isolate, const String16& string) { | |
| 12 if (string.isEmpty()) return v8::String::Empty(isolate); | |
| 13 return v8::String::NewFromTwoByte( | |
| 14 isolate, reinterpret_cast<const uint16_t*>(string.characters16()), | |
| 15 v8::NewStringType::kNormal, string.length()) | |
| 16 .ToLocalChecked(); | |
| 17 } | |
| 18 | |
| 19 v8::Local<v8::String> toV8StringInternalized(v8::Isolate* isolate, | |
| 20 const String16& string) { | |
| 21 if (string.isEmpty()) return v8::String::Empty(isolate); | |
| 22 return v8::String::NewFromTwoByte( | |
| 23 isolate, reinterpret_cast<const uint16_t*>(string.characters16()), | |
| 24 v8::NewStringType::kInternalized, string.length()) | |
| 25 .ToLocalChecked(); | |
| 26 } | |
| 27 | |
| 28 v8::Local<v8::String> toV8StringInternalized(v8::Isolate* isolate, | |
| 29 const char* str) { | |
| 30 return v8::String::NewFromUtf8(isolate, str, v8::NewStringType::kInternalized) | |
| 31 .ToLocalChecked(); | |
| 32 } | |
| 33 | |
| 34 v8::Local<v8::String> toV8String(v8::Isolate* isolate, | |
| 35 const StringView& string) { | |
| 36 if (!string.length()) return v8::String::Empty(isolate); | |
| 37 if (string.is8Bit()) | |
| 38 return v8::String::NewFromOneByte( | |
| 39 isolate, reinterpret_cast<const uint8_t*>(string.characters8()), | |
| 40 v8::NewStringType::kNormal, string.length()) | |
| 41 .ToLocalChecked(); | |
| 42 return v8::String::NewFromTwoByte( | |
| 43 isolate, reinterpret_cast<const uint16_t*>(string.characters16()), | |
| 44 v8::NewStringType::kNormal, string.length()) | |
| 45 .ToLocalChecked(); | |
| 46 } | |
| 47 | |
| 48 String16 toProtocolString(v8::Local<v8::String> value) { | |
| 49 if (value.IsEmpty() || value->IsNull() || value->IsUndefined()) | |
| 50 return String16(); | |
| 51 std::unique_ptr<UChar[]> buffer(new UChar[value->Length()]); | |
| 52 value->Write(reinterpret_cast<uint16_t*>(buffer.get()), 0, value->Length()); | |
| 53 return String16(buffer.get(), value->Length()); | |
| 54 } | |
| 55 | |
| 56 String16 toProtocolStringWithTypeCheck(v8::Local<v8::Value> value) { | |
| 57 if (value.IsEmpty() || !value->IsString()) return String16(); | |
| 58 return toProtocolString(value.As<v8::String>()); | |
| 59 } | |
| 60 | |
| 61 String16 toString16(const StringView& string) { | |
| 62 if (!string.length()) return String16(); | |
| 63 if (string.is8Bit()) | |
| 64 return String16(reinterpret_cast<const char*>(string.characters8()), | |
| 65 string.length()); | |
| 66 return String16(reinterpret_cast<const UChar*>(string.characters16()), | |
| 67 string.length()); | |
| 68 } | |
| 69 | |
| 70 StringView toStringView(const String16& string) { | |
| 71 if (string.isEmpty()) return StringView(); | |
| 72 return StringView(reinterpret_cast<const uint16_t*>(string.characters16()), | |
| 73 string.length()); | |
| 74 } | |
| 75 | |
| 76 bool stringViewStartsWith(const StringView& string, const char* prefix) { | |
| 77 if (!string.length()) return !(*prefix); | |
| 78 if (string.is8Bit()) { | |
| 79 for (size_t i = 0, j = 0; prefix[j] && i < string.length(); ++i, ++j) { | |
| 80 if (string.characters8()[i] != prefix[j]) return false; | |
| 81 } | |
| 82 } else { | |
| 83 for (size_t i = 0, j = 0; prefix[j] && i < string.length(); ++i, ++j) { | |
| 84 if (string.characters16()[i] != prefix[j]) return false; | |
| 85 } | |
| 86 } | |
| 87 return true; | |
| 88 } | |
| 89 | |
| 90 namespace protocol { | |
| 91 | |
| 92 std::unique_ptr<protocol::Value> parseJSON(const StringView& string) { | |
| 93 if (!string.length()) return nullptr; | |
| 94 if (string.is8Bit()) | |
| 95 return protocol::parseJSON(string.characters8(), string.length()); | |
| 96 return protocol::parseJSON(string.characters16(), string.length()); | |
| 97 } | |
| 98 | |
| 99 std::unique_ptr<protocol::Value> parseJSON(const String16& string) { | |
| 100 if (!string.length()) return nullptr; | |
| 101 return protocol::parseJSON(string.characters16(), string.length()); | |
| 102 } | |
| 103 | |
| 104 } // namespace protocol | |
| 105 | |
| 106 std::unique_ptr<protocol::Value> toProtocolValue(v8::Local<v8::Context> context, | |
| 107 v8::Local<v8::Value> value, | |
| 108 int maxDepth) { | |
| 109 if (value.IsEmpty()) { | |
| 110 UNREACHABLE(); | |
| 111 return nullptr; | |
| 112 } | |
| 113 | |
| 114 if (!maxDepth) return nullptr; | |
| 115 maxDepth--; | |
| 116 | |
| 117 if (value->IsNull() || value->IsUndefined()) return protocol::Value::null(); | |
| 118 if (value->IsBoolean()) | |
| 119 return protocol::FundamentalValue::create(value.As<v8::Boolean>()->Value()); | |
| 120 if (value->IsNumber()) { | |
| 121 double doubleValue = value.As<v8::Number>()->Value(); | |
| 122 int intValue = static_cast<int>(doubleValue); | |
| 123 if (intValue == doubleValue) | |
| 124 return protocol::FundamentalValue::create(intValue); | |
| 125 return protocol::FundamentalValue::create(doubleValue); | |
| 126 } | |
| 127 if (value->IsString()) | |
| 128 return protocol::StringValue::create( | |
| 129 toProtocolString(value.As<v8::String>())); | |
| 130 if (value->IsArray()) { | |
| 131 v8::Local<v8::Array> array = value.As<v8::Array>(); | |
| 132 std::unique_ptr<protocol::ListValue> inspectorArray = | |
| 133 protocol::ListValue::create(); | |
| 134 uint32_t length = array->Length(); | |
| 135 for (uint32_t i = 0; i < length; i++) { | |
| 136 v8::Local<v8::Value> value; | |
| 137 if (!array->Get(context, i).ToLocal(&value)) return nullptr; | |
| 138 std::unique_ptr<protocol::Value> element = | |
| 139 toProtocolValue(context, value, maxDepth); | |
| 140 if (!element) return nullptr; | |
| 141 inspectorArray->pushValue(std::move(element)); | |
| 142 } | |
| 143 return std::move(inspectorArray); | |
| 144 } | |
| 145 if (value->IsObject()) { | |
| 146 std::unique_ptr<protocol::DictionaryValue> jsonObject = | |
| 147 protocol::DictionaryValue::create(); | |
| 148 v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(value); | |
| 149 v8::Local<v8::Array> propertyNames; | |
| 150 if (!object->GetPropertyNames(context).ToLocal(&propertyNames)) | |
| 151 return nullptr; | |
| 152 uint32_t length = propertyNames->Length(); | |
| 153 for (uint32_t i = 0; i < length; i++) { | |
| 154 v8::Local<v8::Value> name; | |
| 155 if (!propertyNames->Get(context, i).ToLocal(&name)) return nullptr; | |
| 156 // FIXME(yurys): v8::Object should support GetOwnPropertyNames | |
| 157 if (name->IsString()) { | |
| 158 v8::Maybe<bool> hasRealNamedProperty = object->HasRealNamedProperty( | |
| 159 context, v8::Local<v8::String>::Cast(name)); | |
| 160 if (!hasRealNamedProperty.IsJust() || !hasRealNamedProperty.FromJust()) | |
| 161 continue; | |
| 162 } | |
| 163 v8::Local<v8::String> propertyName; | |
| 164 if (!name->ToString(context).ToLocal(&propertyName)) continue; | |
| 165 v8::Local<v8::Value> property; | |
| 166 if (!object->Get(context, name).ToLocal(&property)) return nullptr; | |
| 167 std::unique_ptr<protocol::Value> propertyValue = | |
| 168 toProtocolValue(context, property, maxDepth); | |
| 169 if (!propertyValue) return nullptr; | |
| 170 jsonObject->setValue(toProtocolString(propertyName), | |
| 171 std::move(propertyValue)); | |
| 172 } | |
| 173 return std::move(jsonObject); | |
| 174 } | |
| 175 UNREACHABLE(); | |
| 176 return nullptr; | |
| 177 } | |
| 178 | |
| 179 // static | |
| 180 std::unique_ptr<StringBuffer> StringBuffer::create(const StringView& string) { | |
| 181 String16 owner = toString16(string); | |
| 182 return StringBufferImpl::adopt(owner); | |
| 183 } | |
| 184 | |
| 185 // static | |
| 186 std::unique_ptr<StringBufferImpl> StringBufferImpl::adopt(String16& string) { | |
| 187 return wrapUnique(new StringBufferImpl(string)); | |
| 188 } | |
| 189 | |
| 190 StringBufferImpl::StringBufferImpl(String16& string) { | |
| 191 m_owner.swap(string); | |
| 192 m_string = toStringView(m_owner); | |
| 193 } | |
| 194 | |
| 195 } // namespace v8_inspector | |
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Chromium Code Reviews
Issue 2338413003:
[inspector] change implementation file extension from cpp to cc (Closed)
