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100 lines
2.4 KiB
100 lines
2.4 KiB
/* |
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* Copyright (C) 2017 The Android Open Source Project |
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* |
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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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#ifndef ANDROID_VINTF_UTILS_H |
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#define ANDROID_VINTF_UTILS_H |
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#include <fstream> |
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#include <iostream> |
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#include <sstream> |
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#include <android-base/logging.h> |
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#include <utils/Errors.h> |
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#include "parse_xml.h" |
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namespace android { |
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namespace vintf { |
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namespace details { |
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// Return the file from the given location as a string. |
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// |
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// This class can be used to create a mock for overriding. |
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class FileFetcher { |
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public: |
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virtual ~FileFetcher() {} |
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virtual status_t fetch(const std::string& path, std::string& fetched) { |
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std::ifstream in; |
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in.open(path); |
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if (!in.is_open()) { |
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LOG(WARNING) << "Cannot open " << path; |
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return INVALID_OPERATION; |
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} |
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std::stringstream ss; |
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ss << in.rdbuf(); |
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fetched = ss.str(); |
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return OK; |
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} |
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}; |
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extern FileFetcher* gFetcher; |
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class PartitionMounter { |
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public: |
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virtual ~PartitionMounter() {} |
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virtual status_t mountSystem() const { return OK; } |
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virtual status_t mountVendor() const { return OK; } |
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virtual status_t umountSystem() const { return OK; } |
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virtual status_t umountVendor() const { return OK; } |
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}; |
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extern PartitionMounter* gPartitionMounter; |
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template <typename T> |
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status_t fetchAllInformation(const std::string& path, const XmlConverter<T>& converter, |
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T* outObject) { |
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std::string info; |
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if (gFetcher == nullptr) { |
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// Should never happen. |
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return NO_INIT; |
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} |
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status_t result = gFetcher->fetch(path, info); |
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if (result != OK) { |
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return result; |
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} |
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bool success = converter(outObject, info); |
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if (!success) { |
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LOG(ERROR) << "Illformed file: " << path << ": " |
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<< converter.lastError(); |
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return BAD_VALUE; |
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} |
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return OK; |
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} |
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} // namespace details |
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} // namespace vintf |
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} // namespace android |
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#endif
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