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/*
* Copyright (C) 2016 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.
*/
#ifndef UTIL_H
#define UTIL_H
#include <map>
#include <string>
#include <vector>
using namespace std;
struct FileInfo
{
bool exists;
time_t mtime;
time_t ctime;
off_t size;
FileInfo();
FileInfo(const FileInfo& that);
explicit FileInfo(const string& filename);
~FileInfo();
bool operator==(const FileInfo& that) const;
bool operator!=(const FileInfo& that) const;
};
/**
* Record for a file that we are watching
*/
struct TrackedFile {
string filename;
FileInfo fileInfo;
TrackedFile();
TrackedFile(const TrackedFile& that);
explicit TrackedFile(const string& filename);
~TrackedFile();
// Returns if the file has changed. If it doesn't currently exist, returns true.
bool HasChanged() const;
};
/**
* Get FileInfo structures recursively for all the files and symlinks in a directory.
* Does not traverse symlinks, but it does record them.
*/
void get_directory_contents(const string& dir, map<string,FileInfo>* results);
bool directory_contents_differ(const map<string,FileInfo>& before,
const map<string,FileInfo>& after);
string escape_quotes(const char* str);
string escape_for_commandline(const char* str);
string trim(const string& trim);
bool starts_with(const string& str, const string& prefix);
bool ends_with(const string& str, const string& suffix);
void split_lines(vector<string>* result, const string& str);
string read_file(const string& filename);
bool is_executable(const string& filename);
string dirname(const string& filename);
string leafname(const string& filename);
#endif // UTIL_H
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