90 lines
4.4 KiB
C
90 lines
4.4 KiB
C
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#pragma once
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#include <string>
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#include <stdio.h>
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#include <cgv/utils/lib_begin.h>
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namespace cgv {
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namespace utils {
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namespace file {
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/// open file with c-mode, buffer and buffer length
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CGV_API void* open(const std::string& file_name, const std::string& mode, void* buf, int length);
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/// check, whether file exists
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CGV_API bool exists(const std::string& file_name);
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/// remove file
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CGV_API bool remove(const std::string& file_name);
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/// rename file
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CGV_API bool rename(const std::string& before, const char* after);
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/// find a file in the given paths
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CGV_API std::string find_in_paths(
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const std::string& file_name, // file name without path
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const std::string& path_list, // semicolon separated list of paths
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bool recursive = true, // whether to search subdirectories of paths
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const std::string& sub_dir = ""); // sub directory to which search in paths is restricted
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/// copy file
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CGV_API bool copy(const std::string& from, const std::string& to);
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/// receive the length of a file in bytes
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CGV_API size_t size(const std::string& file_name, bool ascii = false);
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/// read the file into the content string
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CGV_API bool read(const std::string& file_name, std::string& content, bool ascii = false);
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/// read the file in a newly allocated returned buffer and set the file size
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CGV_API char* read(const std::string& file_name, bool ascii = false, size_t* size_ptr = 0);
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/// write a file from a memory block, the optional argument \c ascii tells whether to write in ascii or binary (default) mode
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CGV_API bool write(const std::string& filename, const char* ptr, size_t size, bool ascii = false);
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/// append a memory block to a given file or create new file, the optional argument \c ascii tells whether to write in ascii or binary (default) mode
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CGV_API bool append(const std::string& filename, const char* ptr, size_t size, bool ascii = false);
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/// result type of file comparison
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enum Result { EQUAL, DIFFERENT, FILE_ERROR };
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/// binary comparison of two files
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CGV_API Result cmp(const std::string& what, const std::string& with);
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/// find first matching file, return 0 if non found
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CGV_API void* find_first(const std::string& filter);
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/// find next and return 0 if no next exists
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CGV_API void* find_next(void* handle);
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/// return name of currently found file without path
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CGV_API std::string find_name(void* handle);
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/// return the time of the last write time
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CGV_API long long find_last_write_time(const void* handle);
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/// check if file is readonly
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CGV_API bool find_read_only(const void* handle);
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/// check if we have directory
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CGV_API bool find_directory(const void* handle);
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/// check if system file
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CGV_API bool find_system(const void* handle);
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/// check if hidden file
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CGV_API bool find_hidden(const void* handle);
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/// check if to be archived file
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CGV_API bool find_archive(const void* handle);
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/// check if normal file
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CGV_API bool find_normal(const void* handle);
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/// return file size
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CGV_API size_t find_size(void* handle);
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/// return the time of last write of a given file
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CGV_API long long get_last_write_time(const std::string& file_path);
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/// return the extension of a file name without the dot
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CGV_API std::string get_extension(const std::string& file_path);
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/// return the file path and name without extension and without dot
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CGV_API std::string drop_extension(const std::string& file_path);
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/// return the name with extension of a file path
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CGV_API std::string get_file_name(const std::string& file_path);
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/// return the path of a file name
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CGV_API std::string get_path(const std::string& file_path);
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/// check whether a path is relative
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CGV_API bool is_relative_path(const std::string& file_path);
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/// clean up the path such that all back slashes are replaced by /, no multiple / arise and no trailing / arises
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CGV_API std::string clean_path(const std::string& file_path);
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/// remove the prefix_path from the file_path in case that it is a prefix and return true whether it was a prefix
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CGV_API bool shorten_path(std::string& file_path, const std::string& prefix_path);
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/// read string from a binary file
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CGV_API bool read_string_bin(std::string& s, FILE* fp);
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/// write string to a binary file
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CGV_API bool write_string_bin(const std::string& s, FILE* fp);
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}
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}
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}
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#include <cgv/config/lib_end.h>
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