game/mario/filesystem.hpp
zvon 58fd1a37a8
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2022-07-21 20:17:24 +02:00

128 lines
2.5 KiB
C++

#ifndef FSLIB_H
#define FSLIB_H
#include <string>
#ifdef _WIN32
#include <Windows.h>
using string = std::wstring;
using char_t = wchar_t;
#else
#include <dirent.h>
using string = std::string;
using char_t = char;
#endif
// windows version stolen from
// http://www.martinbroadhurst.com/list-the-files-in-a-directory-in-c.html
namespace FSLib {
bool exists(const string &path);
bool isDirectory(const string &path);
bool rename(const string &file_a, const string &file_b);
bool deleteFile(const string &file);
string canonical(const string &path);
bool createDirectoryFull(const string &path);
string getContainingDirectory(const string &path);
string getFileName(const string &path);
string getFileExtension(const string &path);
extern char dir_divisor;
class Directory {
public:
Directory() = delete;
explicit Directory(const string &path_);
explicit Directory(const Directory &d) = default;
explicit Directory(Directory &&d) = default;
class Iterator {
public:
explicit Iterator(const Directory &d_);
~Iterator();
#ifdef _WIN32
explicit Iterator(bool ended_);
#else
Iterator(const Directory &d_, const struct dirent *current_entry_);
#endif
Iterator() = delete;
Iterator(const Iterator &i) = default;
Iterator(Iterator &&i) = default;
char_t const *operator*() const;
Iterator &operator++();
bool operator==(const Iterator &i_other) const;
Iterator operator++(int) {
Iterator ret(*this);
operator++();
return ret;
}
bool operator!=(const Iterator &i_other) const {
return !(i_other == *this);
}
private:
#ifndef _WIN32
DIR *d{};
const struct dirent *current_entry{};
#else
HANDLE hFind{};
WIN32_FIND_DATA data{};
bool ended{ false };
#endif
};
using iterator = Iterator;
using const_iterator = Iterator;
iterator end();
const_iterator end() const;
iterator begin() {
return Iterator(*this);
}
const_iterator begin() const {
return Iterator(*this);
}
const_iterator cbegin() const {
return begin();
}
const_iterator cend() const {
return end();
}
const char_t *path() const {
return dir_path.c_str();
}
#ifdef _WIN32
const char_t *validPath() const {
return dir_path.substr(0, dir_path.length() - 2).c_str();
}
#endif
private:
string dir_path;
};
} // namespace FSLib
#endif