76 lines
1.8 KiB
C++
76 lines
1.8 KiB
C++
/*
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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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#include "common/file-utils.h"
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#include <fcntl.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <fstream>
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#include <memory>
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#include <string>
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#include "util/base/logging.h"
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namespace libtextclassifier {
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namespace nlp_core {
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namespace file_utils {
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bool GetFileContent(const std::string &filename, std::string *content) {
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std::ifstream input_stream(filename, std::ifstream::binary);
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if (input_stream.fail()) {
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TC_LOG(INFO) << "Error opening " << filename;
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return false;
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}
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content->assign(
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std::istreambuf_iterator<char>(input_stream),
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std::istreambuf_iterator<char>());
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if (input_stream.fail()) {
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TC_LOG(ERROR) << "Error reading " << filename;
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return false;
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}
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TC_LOG(INFO) << "Successfully read " << filename;
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return true;
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}
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bool FileExists(const std::string &filename) {
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struct stat s = {0};
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if (!stat(filename.c_str(), &s)) {
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return s.st_mode & S_IFREG;
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} else {
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return false;
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}
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}
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bool DirectoryExists(const std::string &dirpath) {
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struct stat s = {0};
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if (!stat(dirpath.c_str(), &s)) {
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return s.st_mode & S_IFDIR;
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} else {
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return false;
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}
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}
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} // namespace file_utils
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} // namespace nlp_core
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} // namespace libtextclassifier
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