[headless] Refactor headless devtools client API.

headless/lib/browser/types_cc.template

-// This file is generated
-
-// 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 "headless/public/domains/types.h"
-
-#include "base/memory/ptr_util.h"
-#include "headless/public/domains/type_conversions.h"
-
-namespace headless {
-
-// ------------- Enum values from types.
-{% for domain in api.domains %}
-  {% continue %}
-
-namespace internal {
-
-  {% for type in domain.types %}
-// {{type}}
-    {% if type.type == "array" %}
-template <>
-struct FromValue<{{resolve_type(type).raw_type}}> {
-  static {{resolve_type(type).raw_type}} Parse(const base::Value& value, ErrorReporter* errors) {
-    {{resolve_type(type).raw_type}} result;
-    const base::ListValue* list;
-    if (!value.GetAsList(&list)) {
-      errors->AddError("list value expected");
-      return result;
-    }
-    errors->Push();
-    for (const auto& item : *list)
-      result.push_back(FromValue<{{resolve_type(type).raw_type}}::value_type>::Parse(*item, errors));
-    errors->Pop();
-    return result;
-  }
-};
-
-      {% continue %}
-    {% endif %}
-#}
-    {% if not (type.type == "object") or not ("properties" in type) %}{% continue %}{% endif %}
-    {% set namespace = domain.domain | camelcase_to_hacker_style %}
-template <>
-struct FromValue<{{namespace}}::{{type.id}}> {
-  static std::unique_ptr<{{namespace}}::{{type.id}}> Parse(const base::Value& value, ErrorReporter* errors) {
-    return {{namespace}}::{{type.id}}::Parse(value, errors);
-  }
-};
-
-template <typename T>
-std::unique_ptr<base::Value> ToValueImpl(const {{namespace}}::{{type.id}}& value, T*) {
-  return value.Serialize();
-}
-
-  {% endfor %}
-}  // namespace internal
-{% endfor %}
-
-{% for domain in api.domains %}
-
-namespace {{domain.domain | camelcase_to_hacker_style}} {
-  {% for type in domain.types %}
-    {% if not (type.type == "object") or not ("properties" in type) %}{% continue %}{% endif %}
-
-std::unique_ptr<{{type.id}}> {{type.id}}::Parse(const base::Value& value, ErrorReporter* errors) {
-  errors->Push();
-  errors->SetName("{{type.id}}");
-  const base::DictionaryValue* object;
-  if (!value.GetAsDictionary(&object)) {
-    errors->AddError("object expected");
-    errors->Pop();
-    return nullptr;
-  }
-
-  std::unique_ptr<{{type.id}}> result(new {{type.id}}());
-  errors->Push();
-  errors->SetName("{{type.id}}");
-    {% for property in type.properties %}
-      {% set value_name = property.name | camelcase_to_hacker_style + "_value" %}
-  const base::Value* {{value_name}};
-  if (object->Get("{{property.name}}", &{{value_name}})) {
-    errors->SetName("{{property.name}}");
-      {% if property.optional %}
-    result->{{property.name | camelcase_to_hacker_style}}_ = internal::FromValue<{{resolve_type(property).raw_type}}>::Parse(*{{value_name}}, errors);
-      {% else %}
-    result->{{property.name | camelcase_to_hacker_style}}_ = internal::FromValue<{{resolve_type(property).raw_type}}>::Parse(*{{value_name}}, errors);
-      {% endif %}
-      {% if property.optional %}
-  }
-      {% else %}
-  } else {
-    errors->AddError("required property missing: {{property.name}}");
-  }
-      {% endif %}
-    {% endfor %}
-  errors->Pop();
-  errors->Pop();
-  if (errors->HasErrors())
-    return nullptr;
-  return result;
-}
-
-std::unique_ptr<base::Value> {{type.id}}::Serialize() const {
-  std::unique_ptr<base::DictionaryValue> result(new base::DictionaryValue());
-    {% for property in type.properties %}
-      {% set type = resolve_type(property) %}
-      {% if property.optional %}
-  if ({{property.name | camelcase_to_hacker_style}}_)
-    result->Set("{{property.name}}", internal::ToValue({{type.to_raw_type % ("%s_.value()" % property.name | camelcase_to_hacker_style)}}));
-      {% else %}
-  result->Set("{{property.name}}", internal::ToValue({{type.to_raw_type % ("%s_" % property.name | camelcase_to_hacker_style)}}));
-      {% endif %}
-    {% endfor %}
-  return std::move(result);
-}
-
-std::unique_ptr<{{type.id}}> {{type.id}}::Clone() const {
-  ErrorReporter errors;
-  std::unique_ptr<{{type.id}}> result = Parse(*Serialize(), &errors);
-  DCHECK(!errors.HasErrors());
-  return result;
-}
-
-  {% endfor %}
-}  // namespace {{domain.domain | camelcase_to_hacker_style}}
-{% endfor %}
-
-} // namespace headless