1/*
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include <filesystem>
17#include <fstream>
18#include <iostream>
19#include <sstream>
20#include <sys/stat.h>
21#include <unistd.h>
22
23#include "oaid_hilog_wreapper.h"
24#include "oaid_file_operator.h"
25
26namespace OHOS {
27namespace Cloud {
28bool OAIDFileOperator::IsFileExsit(const std::string &fileName)
29{
30    if (fileName.empty()) {
31        OAID_HILOGE(OAID_MODULE_COMMON, "filename is empty");
32        return false;
33    }
34    if (access(fileName.c_str(), F_OK) != 0) {
35        OAID_HILOGW(OAID_MODULE_COMMON, "file not exist");
36        return false;
37    }
38    return true;
39}
40
41bool OAIDFileOperator::OpenAndReadFile(const std::string &fileName, std::string &destContent)
42{
43    std::ifstream inStream(fileName.c_str(), std::ios::in | std::ios::binary);
44    if (inStream) {
45        inStream.seekg(0, std::ios::end);
46        destContent.resize(inStream.tellg());
47        inStream.seekg(0, std::ios::beg);
48        inStream.read(&destContent[0], destContent.size());
49        inStream.close();
50        OAID_HILOGE(OAID_MODULE_COMMON, "OpenAndReadFile success");
51        return true;
52    }
53    OAID_HILOGE(OAID_MODULE_COMMON, "OpenAndReadFile failed");
54    return false;
55}
56
57bool OAIDFileOperator::ClearFile(const std::string &fileName)
58{
59    struct stat statbuf {};
60    if (lstat(fileName.c_str(), &statbuf) != 0) {
61        OAID_HILOGE(OAID_MODULE_COMMON, "clear object is not file");
62        return false;
63    }
64    if (S_ISREG(statbuf.st_mode)) {
65        if (access(fileName.c_str(), F_OK) != 0) {
66            OAID_HILOGE(OAID_MODULE_COMMON, "RemoveFile success, file is not exist");
67            return true;
68        }
69        remove(fileName.c_str());
70    }
71    return true;
72}
73}
74}