[headless] Refactor headless devtools client API.

headless/lib/browser/types_h.template

-// This file is generated
-
-// Copyright (c) 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.
-
-#ifndef HEADLESS_PUBLIC_DOMAINS_TYPES_H_
-#define HEADLESS_PUBLIC_DOMAINS_TYPES_H_
-
-#include "base/optional.h"
-#include "base/values.h"
-#include "headless/public/headless_export.h"
-#include "headless/public/util/error_reporter.h"
-
-#include "base/memory/ptr_util.h"
-
-namespace headless {
-
-// ------------- Forward declarations and typedefs.
-
-{% for domain in api.domains %}
-
-namespace {{domain.domain | camelcase_to_hacker_style}} {
-  {% for type in domain.types %}
-    {% if type.type == "object" %}
-      {% if "properties" in type %}
-class {{type.id}};
-      {% else %}
-using {{type.id}} = base::Value;
-      {% endif %}
-    {% endif %}
-  {% endfor %}
-}  // namespace {{domain.domain}}
-{% endfor %}
-
-{% for domain in api.domains %}
-namespace {{domain.domain | camelcase_to_hacker_style}} {
-  {% for type in domain.types %}
-    {% if "enum" in type %}
-enum class {{type.id}} {
-      {% for literal in type.enum %}
-  {{ literal | sanitize_literal | dash_to_camelcase | camelcase_to_hacker_style | upper }}{{',' if not loop.last}}
-      {% endfor %}
-};
-
-    {% endif %}
-  {% endfor %}
-}  // namespace {{domain.domain | camelcase_to_hacker_style}}
-
-{% endfor %}
-
-// ------------- Type and builder declarations.
-{% 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 %}
-
-    {% if type.description %}
-// {{type.description}}
-    {% endif %}
-class HEADLESS_EXPORT {{type.id}} {
- public:
-  static {{resolve_type(type).pass_type}} Parse(const base::Value& value, ErrorReporter* errors);
-  ~{{type.id}}() { }
-    {% for property in type.properties %}
-
-    {% if property.description %}
-  // {{property.description}}
-    {% endif %}
-      {% if property.optional %}
-  bool Has{{property.name | to_title_case}}() const { return !!{{property.name | camelcase_to_hacker_style}}_; }
-  {{resolve_type(property).raw_return_type}} Get{{property.name | to_title_case}}() const { DCHECK(Has{{property.name | to_title_case}}()); return {{resolve_type(property).to_raw_return_type % ("%s_.value()" % property.name | camelcase_to_hacker_style)}}; }
-  void Set{{property.name | to_title_case}}({{resolve_type(property).pass_type}} value) { {{property.name | camelcase_to_hacker_style}}_ = {{resolve_type(property).to_pass_type % 'value'}}; }
-      {% else %}
-  {{resolve_type(property).raw_return_type}} Get{{property.name | to_title_case}}() const { return {{resolve_type(property).to_raw_return_type % ("%s_" % property.name | camelcase_to_hacker_style)}}; }
-  void Set{{property.name | to_title_case}}({{resolve_type(property).pass_type}} value) { {{property.name | camelcase_to_hacker_style}}_ = {{resolve_type(property).to_pass_type % 'value'}}; }
-      {% endif %}
-    {% endfor %}
-
-  std::unique_ptr<base::Value> Serialize() const;
-  {{resolve_type(type).pass_type}} Clone() const;
-
-  template<int STATE>
-  class {{type.id}}Builder {
-  public:
-    enum {
-      kNoFieldsSet = 0,
-    {% set count = 0 %}
-    {% for property in type.properties %}
-      {% if not(property.optional) %}
-        {% set count = count + 1 %}
-      k{{property.name | to_title_case}}Set = 1 << {{count}},
-      {% endif %}
-    {% endfor %}
-      kAllRequiredFieldsSet = (
-    {%- for property in type.properties %}
-      {% if not(property.optional) %}k{{property.name | to_title_case}}Set | {%endif %}
-    {% endfor %}0)
-    };
-
-    {% for property in type.properties %}
-      {% if property.optional %}
-    {{type.id}}Builder<STATE>& Set{{property.name | to_title_case}}({{resolve_type(property).pass_type}} value) {
-      result_->Set{{property.name | to_title_case}}({{resolve_type(property).to_pass_type % 'value'}});
-      return *this;
-    }
-      {% else %}
-    {{type.id}}Builder<STATE | k{{property.name | to_title_case}}Set>& Set{{property.name | to_title_case}}({{resolve_type(property).pass_type}} value) {
-      static_assert(!(STATE & k{{property.name | to_title_case}}Set), "property {{property.name}} should not have already been set");
-      result_->Set{{property.name | to_title_case}}({{resolve_type(property).to_pass_type % 'value'}});
-      return CastState<k{{property.name | to_title_case}}Set>();
-    }
-      {% endif %}
-
-    {% endfor %}
-    {{resolve_type(type).pass_type}} Build() {
-      static_assert(STATE == kAllRequiredFieldsSet, "all required fields should have been set");
-      return std::move(result_);
-    }
-
-   private:
-    friend class {{type.id}};
-    {{type.id}}Builder() : result_(new {{type.id}}()) { }
-
-    template<int STEP> {{type.id}}Builder<STATE | STEP>& CastState() {
-      return *reinterpret_cast<{{type.id}}Builder<STATE | STEP>*>(this);
-    }
-
-    {{resolve_type(type).type}} result_;
-  };
-
-  static {{type.id}}Builder<0> Builder() {
-    return {{type.id}}Builder<0>();
-  }
-
- private:
-  {{type.id}}() { }
-
-    {% for property in type.properties %}
-      {% if property.optional %}
-  base::Optional<{{resolve_type(property).type}}> {{property.name | camelcase_to_hacker_style}}_;
-      {% else %}
-  {{resolve_type(property).type}} {{property.name | camelcase_to_hacker_style}}_;
-      {% endif %}
-    {% endfor %}
-
-  DISALLOW_COPY_AND_ASSIGN({{type.id}});
-};
-
-  {% endfor %}
-
-}  // namespace {{domain.domain | camelcase_to_hacker_style}}
-{% endfor %}
-
-}  // namespace headless
-
-#endif  // HEADLESS_PUBLIC_DOMAINS_TYPES_H_