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