60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
//
|
|
// Copyright (C) 2013 The Android Open Source Project
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
//
|
|
|
|
#include "shill/file_reader.h"
|
|
|
|
#include <base/files/file_util.h>
|
|
|
|
using base::FilePath;
|
|
using std::string;
|
|
|
|
namespace shill {
|
|
|
|
FileReader::FileReader() {
|
|
}
|
|
|
|
FileReader::~FileReader() {
|
|
}
|
|
|
|
void FileReader::Close() {
|
|
file_.reset();
|
|
}
|
|
|
|
bool FileReader::Open(const FilePath& file_path) {
|
|
file_.reset(base::OpenFile(file_path, "rb"));
|
|
return file_.get() != nullptr;
|
|
}
|
|
|
|
bool FileReader::ReadLine(string* line) {
|
|
CHECK(line) << "Invalid argument";
|
|
|
|
FILE* fp = file_.get();
|
|
if (!fp)
|
|
return false;
|
|
|
|
line->clear();
|
|
bool line_valid = false;
|
|
int ch;
|
|
while ((ch = fgetc(fp)) != EOF) {
|
|
if (ch == '\n')
|
|
return true;
|
|
line->push_back(static_cast<char>(ch));
|
|
line_valid = true;
|
|
}
|
|
return line_valid;
|
|
}
|
|
|
|
} // namespace shill
|