[DevTools] Use inspector_protocol generator in content/browser/devtools.

content/browser/devtools/protocol_string.cc

+// Copyright 2016 The Chromium 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 "content/browser/devtools/protocol_string.h"
+
+#include "base/json/json_reader.h"
+#include "base/values.h"
+#include "content/browser/devtools/protocol/protocol.h"
+
+namespace content {
+namespace {
+
+std::unique_ptr<protocol::Value> toProtocolValue(
+    const base::Value* value, int depth) {
+  if (!value || !depth)
+    return nullptr;
+  if (value->IsType(base::Value::TYPE_NULL))
+    return protocol::Value::null();
+  if (value->IsType(base::Value::TYPE_BOOLEAN)) {
+    bool inner;
+    value->GetAsBoolean(&inner);
+    return protocol::FundamentalValue::create(inner);
+  }
+  if (value->IsType(base::Value::TYPE_INTEGER)) {
+    int inner;
+    value->GetAsInteger(&inner);
+    return protocol::FundamentalValue::create(inner);
+  }
+  if (value->IsType(base::Value::TYPE_DOUBLE)) {
+    double inner;
+    value->GetAsDouble(&inner);
+    return protocol::FundamentalValue::create(inner);
+  }
+  if (value->IsType(base::Value::TYPE_STRING)) {
+    std::string inner;
+    value->GetAsString(&inner);
+    return protocol::StringValue::create(inner);
+  }
+  if (value->IsType(base::Value::TYPE_LIST)) {
+    const base::ListValue* list = nullptr;
+    value->GetAsList(&list);
+    std::unique_ptr<protocol::ListValue> result = protocol::ListValue::create();
+    for (size_t i = 0; i < list->GetSize(); i++) {
+      const base::Value* item = nullptr;
+      list->Get(i, &item);
+      std::unique_ptr<protocol::Value> converted =
+          toProtocolValue(item, depth - 1);
+      if (converted)
+        result->pushValue(std::move(converted));
+    }
+    return std::move(result);
+  }
+  if (value->IsType(base::Value::TYPE_DICTIONARY)) {
+    const base::DictionaryValue* dictionary = nullptr;
+    value->GetAsDictionary(&dictionary);
+    std::unique_ptr<protocol::DictionaryValue> result =
+        protocol::DictionaryValue::create();
+    for (base::DictionaryValue::Iterator it(*dictionary);
+        !it.IsAtEnd(); it.Advance()) {
+      std::unique_ptr<protocol::Value> converted =
+          toProtocolValue(&it.value(), depth - 1);
+      if (converted)
+        result->setValue(it.key(), std::move(converted));
+    }
+    return std::move(result);
+  }
+  return nullptr;
+}
+
+}  // namespace
+
+namespace protocol {
+
+// static
+std::unique_ptr<protocol::Value> StringUtil::parseJSON(
+    const std::string& json) {
+  std::unique_ptr<base::Value> value = base::JSONReader::Read(json);
+  return toProtocolValue(value.get(), 1000);
+}
+
+StringBuilder::StringBuilder() {}
+
+StringBuilder::~StringBuilder() {}
+
+void StringBuilder::append(const std::string& s) {
+  string_ += s;
+}
+
+void StringBuilder::append(char c) {
+  string_ += c;
+}
+
+void StringBuilder::append(const char* characters, size_t length) {
+  string_.append(characters, length);
+}
+
+std::string StringBuilder::toString() {
+  return string_;
+}
+
+void StringBuilder::reserveCapacity(size_t capacity) {
+  string_.reserve(capacity);
+}
+
+}  // namespace protocol
+}  // namespace content