mirror of
https://github.com/openharmony/tools_previewer.git
synced 2026-08-27 00:31:14 -04:00
libenyao
88 lines
2.9 KiB
C++
88 lines
2.9 KiB
C++
/*
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* Copyright (c) 2023 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "SystemCapability.h"
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#include <fstream>
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#include "CommandParser.h"
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#include "FileSystem.h"
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#include "PreviewerEngineLog.h"
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#include "json.h"
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using namespace std;
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SystemCapability& SystemCapability::GetInstance()
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{
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static SystemCapability instance;
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return instance;
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}
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bool SystemCapability::HasSystemCapability(const char* sysCapName)
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{
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string capName = sysCapName;
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if (capabilities.find(sysCapName) == capabilities.end()) {
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return false;
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}
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return capabilities[sysCapName];
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}
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SystemCapability::SystemCapability()
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{
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ReadCapability();
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}
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void SystemCapability::ReadCapability()
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{
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std::string separator = FileSystem::GetSeparator();
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std::string filePath = FileSystem::GetApplicationPath() + separator + ".." + separator + "config" + separator +
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"system_capability.json";
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ifstream inFile(filePath);
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if (!inFile.is_open()) {
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ELOG("Open capability file failed.");
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}
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string jsonStr((istreambuf_iterator<char>(inFile)), istreambuf_iterator<char>());
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inFile.close();
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Json::Value val;
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Json::CharReaderBuilder builder;
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Json::CharReader* charReader = builder.newCharReader();
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if (charReader == nullptr) {
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ELOG("main: CharReader memory allocation failed.");
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}
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std::unique_ptr<Json::CharReader> reader(charReader);
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if (reader.get() == nullptr) {
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ELOG("main: CharReader memory allocation failed.");
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}
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string message;
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if (!reader->parse(jsonStr.data(), jsonStr.data() + jsonStr.size(), &val, &message)) {
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ELOG("Failed to parse the capability, errors: %s", message.c_str());
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}
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if (val["systemCapability"].empty() || !val["systemCapability"].isArray()) {
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ELOG("Empty systemCapability json object: %s", val["systemCapability"].toStyledString().c_str());
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return;
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}
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val = val["systemCapability"];
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for (Json::ValueIterator iter = val.begin(); iter != val.end(); iter++) {
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Json::Value cap = *iter;
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if (!cap.isMember("name") || !cap.isMember("register-on-startup")) {
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ELOG("Invalid systemCapability json object");
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}
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if (!cap["register-on-startup"].isBool()) {
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ELOG("Invalid systemCapability json object");
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}
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capabilities[cap["name"].asString()] = cap["register"].asBool();
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}
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}
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