1/* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#pragma once 18 19#include <errno.h> 20#include <libgen.h> 21#include <sys/stat.h> 22#include <unistd.h> 23 24#include <string> 25#include <vector> 26 27#include <llvm/ADT/StringRef.h> 28 29std::string getWorkingDir(); 30std::vector<std::string> collectHeaders(const std::string& directory); 31 32static inline std::string dirname(const std::string& path) { 33 std::unique_ptr<char, decltype(&free)> path_copy(strdup(path.c_str()), free); 34 return dirname(path_copy.get()); 35} 36 37static inline bool is_directory(const std::string& path) { 38 struct stat st; 39 if (stat(path.c_str(), &st) == 0 && S_ISDIR(st.st_mode)) { 40 return true; 41 } 42 return false; 43} 44 45static inline bool mkdirs(const std::string& path) { 46 if (is_directory(path)) { 47 return true; 48 } 49 50 std::string parent = dirname(path); 51 if (parent == path) { 52 return false; 53 } 54 55 if (!mkdirs(parent)) { 56 return false; 57 } 58 59 if (mkdir(path.c_str(), 0700) != 0) { 60 if (errno != EEXIST) { 61 return false; 62 } 63 return is_directory(path); 64 } 65 66 return true; 67} 68 69static inline std::string to_string(const char* c) { 70 return c; 71} 72 73static inline const std::string& to_string(const std::string& str) { 74 return str; 75} 76 77template <typename Collection> 78static inline std::string Join(Collection c, const std::string& delimiter = ", ") { 79 std::string result; 80 for (const auto& item : c) { 81 using namespace std; 82 result.append(to_string(item)); 83 result.append(delimiter); 84 } 85 if (!result.empty()) { 86 result.resize(result.length() - delimiter.length()); 87 } 88 return result; 89} 90 91llvm::StringRef StripPrefix(llvm::StringRef string, llvm::StringRef prefix); 92