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// 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
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