Move serialize/deserialize logic onto Entry.

mojo/services/catalog/builder.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 "mojo/services/catalog/builder.h"
-
-#include "base/values.h"
-#include "mojo/services/catalog/store.h"
-#include "mojo/shell/public/cpp/capabilities.h"
-#include "mojo/shell/public/cpp/names.h"
-
-// TODO(beng): this code should do better error handling instead of CHECKing so
-// much.
-
-namespace catalog {
-
-mojo::CapabilitySpec BuildCapabilitiesV0(
-    const base::DictionaryValue& value) {
-  mojo::CapabilitySpec capabilities;
-  base::DictionaryValue::Iterator it(value);
-  for (; !it.IsAtEnd(); it.Advance()) {
-    const base::ListValue* values = nullptr;
-    CHECK(it.value().GetAsList(&values));
-    mojo::CapabilityRequest spec;
-    for (auto i = values->begin(); i != values->end(); ++i) {
-      mojo::Interface interface_name;
-      const base::Value* v = *i;
-      CHECK(v->GetAsString(&interface_name));
-      spec.interfaces.insert(interface_name);
-    }
-    capabilities.required[it.key()] = spec;
-  }
-  return capabilities;
-}
-
-void ReadStringSet(const base::ListValue& list_value,
-                   std::set<std::string>* string_set) {
-  DCHECK(string_set);
-  for (auto i = list_value.begin(); i != list_value.end(); ++i) {
-    std::string value;
-    const base::Value* value_value = *i;
-    CHECK(value_value->GetAsString(&value));
-    string_set->insert(value);
-  }
-}
-
-void ReadStringSetFromValue(const base::Value& value,
-                            std::set<std::string>* string_set) {
-  const base::ListValue* list_value = nullptr;
-  CHECK(value.GetAsList(&list_value));
-  ReadStringSet(*list_value, string_set);
-}
-
-void ReadStringSetFromDictionary(const base::DictionaryValue& dictionary,
-                                 const std::string& key,
-                                 std::set<std::string>* string_set) {
-  const base::ListValue* list_value = nullptr;
-  if (dictionary.HasKey(key))
-    CHECK(dictionary.GetList(key, &list_value));
-  if (list_value)
-    ReadStringSet(*list_value, string_set);
-}
-
-mojo::CapabilitySpec BuildCapabilitiesV1(
-    const base::DictionaryValue& value) {
-  mojo::CapabilitySpec capabilities;
-
-  const base::DictionaryValue* provided_value = nullptr;
-  if (value.HasKey(Store::kCapabilities_ProvidedKey)) {
-    CHECK(value.GetDictionary(Store::kCapabilities_ProvidedKey,
-                              &provided_value));
-  }
-  if (provided_value) {
-    mojo::CapabilityRequest provided;
-    base::DictionaryValue::Iterator it(*provided_value);
-    for(; !it.IsAtEnd(); it.Advance()) {
-      mojo::Interfaces interfaces;
-      ReadStringSetFromValue(it.value(), &interfaces);
-      capabilities.provided[it.key()] = interfaces;
-    }
-  }
-
-  const base::DictionaryValue* required_value = nullptr;
-  if (value.HasKey(Store::kCapabilities_RequiredKey)) {
-    CHECK(value.GetDictionary(Store::kCapabilities_RequiredKey,
-                              &required_value));
-  }
-  if (required_value) {
-    base::DictionaryValue::Iterator it(*required_value);
-    for (; !it.IsAtEnd(); it.Advance()) {
-      mojo::CapabilityRequest spec;
-      const base::DictionaryValue* entry_value = nullptr;
-      CHECK(it.value().GetAsDictionary(&entry_value));
-      ReadStringSetFromDictionary(
-          *entry_value, Store::kCapabilities_ClassesKey, &spec.classes);
-      ReadStringSetFromDictionary(
-          *entry_value, Store::kCapabilities_InterfacesKey, &spec.interfaces);
-      capabilities.required[it.key()] = spec;
-    }
-  }
-  return capabilities;
-}
-
-Entry BuildEntry(const base::DictionaryValue& value) {
-  Entry entry;
-  int manifest_version = 0;
-  if (value.HasKey(Store::kManifestVersionKey))
-    CHECK(value.GetInteger(Store::kManifestVersionKey, &manifest_version));
-  std::string name_string;
-  CHECK(value.GetString(Store::kNameKey, &name_string));
-  CHECK(mojo::IsValidName(name_string)) << "Invalid Name: " << name_string;
-  entry.name = name_string;
-  if (value.HasKey(Store::kQualifierKey)) {
-    CHECK(value.GetString(Store::kQualifierKey, &entry.qualifier));
-  } else {
-    entry.qualifier = mojo::GetNamePath(name_string);
-  }
-  CHECK(value.GetString(Store::kDisplayNameKey, &entry.display_name));
-  const base::DictionaryValue* capabilities = nullptr;
-  CHECK(value.GetDictionary(Store::kCapabilitiesKey, &capabilities));
-  if (manifest_version == 0)
-    entry.capabilities = BuildCapabilitiesV0(*capabilities);
-  else
-    entry.capabilities = BuildCapabilitiesV1(*capabilities);
-  return entry;
-}
-
-scoped_ptr<base::DictionaryValue> SerializeEntry(const Entry& entry) {
-  scoped_ptr<base::DictionaryValue> value(new base::DictionaryValue);
-  value->SetInteger(Store::kManifestVersionKey, 1);
-  value->SetString(Store::kNameKey, entry.name);
-  value->SetString(Store::kDisplayNameKey, entry.display_name);
-  value->SetString(Store::kQualifierKey, entry.qualifier);
-  scoped_ptr<base::DictionaryValue> spec(new base::DictionaryValue);
-
-  scoped_ptr<base::DictionaryValue> provided(new base::DictionaryValue);
-  for (const auto& i : entry.capabilities.provided) {
-    scoped_ptr<base::ListValue> interfaces(new base::ListValue);
-    for (const auto& interface_name : i.second)
-      interfaces->AppendString(interface_name);
-    provided->Set(i.first, std::move(interfaces));
-  }
-  spec->Set(Store::kCapabilities_ProvidedKey, std::move(provided));
-
-  scoped_ptr<base::DictionaryValue> required(new base::DictionaryValue);
-  for (const auto& i : entry.capabilities.required) {
-    scoped_ptr<base::DictionaryValue> request(new base::DictionaryValue);
-    scoped_ptr<base::ListValue> classes(new base::ListValue);
-    for (const auto& class_name : i.second.classes)
-      classes->AppendString(class_name);
-    request->Set(Store::kCapabilities_ClassesKey, std::move(classes));
-    scoped_ptr<base::ListValue> interfaces(new base::ListValue);
-    for (const auto& interface_name : i.second.interfaces)
-      interfaces->AppendString(interface_name);
-    request->Set(Store::kCapabilities_InterfacesKey, std::move(interfaces));
-    required->Set(i.first, std::move(request));
-  }
-  spec->Set(Store::kCapabilities_RequiredKey, std::move(required));
-
-  value->Set(Store::kCapabilitiesKey, std::move(spec));
-  return value;
-}
-
-}  // namespace catalog