137 lines
4.3 KiB
C++
137 lines
4.3 KiB
C++
#pragma once
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <errno.h>
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#include <time.h>
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#include <chrono>
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#include <thread>
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#include "json.hpp"
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#if __cplusplus >= 201703L
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#include <filesystem>
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#endif
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#include "String.h"
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class Utils {
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public:
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static int max(int a, int b) {
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return (a > b) ? a : b;
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}
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static int min(int a, int b) {
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return (a > b) ? b : a;
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}
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static void Mkdir(const String& path) {
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#if __cplusplus >= 201703L
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std::filesystem::create_directory(path.getCharArray());
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#else
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mkdir(path.getCharArray(), 0777);
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#endif
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}
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//https://stackoverflow.com/questions/4568681/using-chmod-in-a-c-program
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static void Chmod(const String& path) {
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#if __cplusplus >= 201703L
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std::filesystem::permissions(path.getCharArray(), std::filesystem::perms::all);
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#else
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String command = "chmod 777 " + String::DQuotes(path);
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int i=system(command.getCharArray());
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//printf("chmod 777 '%s' return code = %d\n", path.getCharArray(), i);
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#endif
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}
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//https://stackoverflow.com/questions/230062/whats-the-best-way-to-check-if-a-file-exists-in-c
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static bool Exists(const String& path) {
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#if __cplusplus >= 201703L
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return std::filesystem::exists(path.getCharArray());
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#else
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struct stat buffer;
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return (stat(path.getCharArray(), &buffer) == 0);
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#endif
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}
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//in seconds
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static void Sleep(int s) {
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std::chrono::seconds timespan(s);
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std::this_thread::sleep_for(timespan);
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}
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static void Copy(const String& src, const String& dst) {
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#if __cplusplus >= 201703L
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std::filesystem::copy(src.getCharArray(), dst.getCharArray());
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#else
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String command = "cp " + String::DQuotes(src) + " " + String::DQuotes(dst);
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int i = system(command.getCharArray());
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//printf("cp '%s' return code = %d\n",src.getCharArray(), i);
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#endif
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}
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static void Ln(const String& src, const String& dst) {
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#if __cplusplus >= 201703L
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std::filesystem::create_symlink(src.getCharArray(), dst.getCharArray());
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#else
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String command = "ln -s " + String::DQuotes(src) + " " + String::DQuotes(dst);
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int i = system(command.getCharArray());
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//printf("cp '%s' return code = %d\n",src.getCharArray(), i);
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#endif
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}
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static void CopyDirectory(const String& src, const String& dst) {
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#if __cplusplus >= 201703L
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std::filesystem::copy((src+ "/.").getCharArray(), dst.getCharArray(), std::filesystem::copy_options::recursive);
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#else
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String command = "cp -r " + String::DQuotes(src + "/.") + " " + String::DQuotes(dst);
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int i = system(command.getCharArray());
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//printf("cp -r '%s' return code = %d\n",src.getCharArray(),i);
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#endif
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}
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static void CopyDirectory_L(const String& src, const String& dst) {
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#if __cplusplus >= 201703L
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std::filesystem::copy((src+ "/.").getCharArray(), dst.getCharArray(), std::filesystem::copy_options::recursive|std::filesystem::copy_options::directories_only);
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std::string src_home = string(src.getCharArray());
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std::string dst_home = string(dst.getCharArray());
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for (const std::filesystem::directory_entry& dir_entry : std::filesystem::recursive_directory_iterator(src_home))
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{
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if (dir_entry.is_regular_file()){
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std::string src_file = dir_entry.path().string();
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std::string relative = src_file.substr(src_home.size(), src_file.size());
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std::string dst_file = string(dst_home).append(relative);
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std::filesystem::copy(src_file, dst_file, std::filesystem::copy_options::create_symlinks);
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}
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}
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#else
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String command = "cp -rs " + String::DQuotes(src + "/.") + " " + String::DQuotes(dst);
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int i = system(command.getCharArray());
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#endif
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}
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static time_t getAbsoluteTime() {
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return time(NULL);
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}
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static String getDate() {
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auto ttime = time(NULL);
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String res(ctime(&ttime));
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return res;
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}
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static String getFileName(const String& path){
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int start_i = path.getBody().find_last_of('/');
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if (start_i != string::npos){
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return String(path.getBody().substr(start_i+1));
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}
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return String();
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}
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template <typename T>
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static T getValue(const nlohmann::json& data, const string& obj) {
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T retval;
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if (data.contains(obj))
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retval = data[obj];
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else {
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printf("can not fine object '%s'\n", obj.c_str());
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exit(-1);
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}
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return retval;
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}
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};
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