47 lines
1.9 KiB
C++
47 lines
1.9 KiB
C++
#pragma once
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#include <functional>
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#include <iterator>
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#include <string>
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namespace mrbesen::files {
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void parent(const std::string& child, std::string& out); //get the parent directory of a file or directory path
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void file(const std::string& path, std::string& out); //get the filename without the path
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void extention(const std::string& path, std::string& ext); //get the files extenetion
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enum class FileType : unsigned char {
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UNKNOWN = 0,
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FIFO = 1,
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CHARACTER = 2,
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DIRECTORY = 4,
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BLOCK = 6,
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REGULAR = 8,
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LINK = 10,
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SOCKET = 12,
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WHT = 14 ///????
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//copied from dirent.h -> see man readdir
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};
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//read through a file line by line call the callback with every line (without \n or \r) return true on sccess or false on error
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typedef std::function<void(const std::string&)> fileLineCallback;
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bool iterateFile(const std::string& filename, fileLineCallback clb, bool ignoreBlanks = true);
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bool iterateFile(std::istream& file, fileLineCallback clb, bool ignoreBlanks = true);
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//iterate over a folder
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typedef std::function<bool(const std::string&, FileType type)> fileNameFilter;
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typedef std::function<void(const std::string&, FileType type)> fileCallback;
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template<class Container>
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bool scan(const std::string& path, std::insert_iterator<Container> it, bool prefixdir = false, fileNameFilter fnf = fileNameFilter(nullptr));
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bool scan(const std::string& path, fileCallback clb, bool prefixdir = false, fileNameFilter fnf = fileNameFilter(nullptr));
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bool readFile(const std::string& name, std::ostream& output, unsigned int maxsize = 0); //reads file name and writes it line for line into output, it stops at maxsize (it might be a bit more, its not a hard limit - see it more as a hint), if maxsize is 0 it reads unlimited
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bool readFile(int fd, std::ostream& output, unsigned int maxsize = 0);
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bool copy(int fd_from, int fd_to);
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bool copy(const std::string& from, const std::string& to);
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std::string realPath(const std::string& str);
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} |