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198 lines
6.3 KiB
C++
198 lines
6.3 KiB
C++
/*
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Copyright (C) 2007 Tim Mayberry
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef PBD_FILE_UTILS_INCLUDED
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#define PBD_FILE_UTILS_INCLUDED
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#include <string>
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#include <vector>
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#include <glibmm/pattern.h>
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#include "pbd/libpbd_visibility.h"
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#include "pbd/search_path.h"
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namespace PBD {
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/**
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* Get a contents of directory.
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* @note paths in result will be absolute
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*
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* @param path An absolute path to a directory in the filename encoding
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* @param result A vector of absolute paths to the directory entries in filename
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* encoding.
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* @param files_only Only include file entries in result
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* @param recurse Recurse into child directories
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*/
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LIBPBD_API void
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get_directory_contents (const std::string& path,
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std::vector<std::string>& result,
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bool files_only = true,
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bool recurse = false);
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/**
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* Get a list of files in a directory.
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* @note You must join path with result to get the absolute path
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* to the file.
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*
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* @param path An Absolute path to a directory
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* @param result A vector of filenames.
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*/
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LIBPBD_API void
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get_files_in_directory (const std::string& path,
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std::vector<std::string>& result);
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/**
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* Takes a Searchpath and returns all the files contained in the
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* directory paths that match a particular pattern.
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*
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* @param result A vector in which to place the resulting matches.
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* @param paths A Searchpath
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* @param pattern A Glib::PatternSpec used to match the files.
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*/
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LIBPBD_API void
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find_files_matching_pattern (std::vector<std::string>& result,
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const Searchpath& paths,
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const Glib::PatternSpec& pattern);
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/**
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* Takes a Searchpath and returns all the files contained in the
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* directory paths that match a particular pattern.
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*
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* This is a convenience method to avoid explicitly declaring
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* temporary variables such as:
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* find_files_matching_pattern (result, paths, string("*.ext"))
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*
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* @param result A vector in which to place the resulting matches.
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* @param paths A Searchpath
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* @param pattern A string representing the Glib::PatternSpec used
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* to match the files.
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*/
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LIBPBD_API void
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find_files_matching_pattern (std::vector<std::string>& result,
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const Searchpath& paths,
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const std::string& pattern);
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/**
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* Takes a search path and a file name and places the full path
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* to that file in result if it is found within the search path.
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*
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* @return true If file is found within the search path.
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*/
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LIBPBD_API bool
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find_file (const Searchpath& search_path,
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const std::string& filename,
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std::string& result);
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/**
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* @return files in dirpath that match a regular expression
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*/
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LIBPBD_API void
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find_files_matching_regex (std::vector<std::string>& results,
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const Searchpath& dirpath,
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const std::string& regexp);
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/**
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* @return paths in a Searchpath that match a supplied filter(functor)
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* @note results include files and directories
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*/
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LIBPBD_API void
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find_paths_matching_filter (std::vector<std::string>&,
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const Searchpath& paths,
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bool (*filter)(const std::string &, void *),
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void *arg,
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bool match_fullpath,
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bool return_fullpath,
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bool recurse = false);
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/**
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* @return files in a Searchpath that match a supplied filter(functor)
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*/
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LIBPBD_API void
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find_files_matching_filter (std::vector<std::string>&,
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const Searchpath& paths,
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bool (*filter)(const std::string &, void *),
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void *arg,
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bool match_fullpath,
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bool return_fullpath,
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bool recurse = false);
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/**
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* Attempt to copy the contents of the file from_path to a new file
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* at path to_path. If to_path exists it is overwritten.
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*
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* @return true if file was successfully copied
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*/
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LIBPBD_API bool copy_file(const std::string & from_path, const std::string & to_path);
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/**
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* Attempt to copy all regular files from from_path to a new directory.
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* This method does not recurse.
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*/
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LIBPBD_API void copy_files(const std::string & from_path, const std::string & to_dir);
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/**
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* Take a (possibly) relative path and make it absolute
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* @return An absolute path
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*/
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LIBPBD_API std::string get_absolute_path (const std::string &);
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/**
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* Find out if `needle' is a file or directory within the
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* directory `haystack'.
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* @return true if it is.
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*/
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LIBPBD_API bool path_is_within (const std::string &, std::string);
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/**
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* @return true if p1 and p2 both resolve to the same file
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* @param p1 a file path.
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* @param p2 a file path.
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*
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* Uses g_stat to check for identical st_dev and st_ino values.
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*/
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LIBPBD_API bool equivalent_paths (const std::string &p1, const std::string &p2);
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/// @return true if path at p exists and is writable, false otherwise
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LIBPBD_API bool exists_and_writable(const std::string & p);
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/**
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* Remove all the files in a directory recursively leaving the directory
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* structure in place.
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* @note dir will not be removed
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*
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* @param dir The directory to clear of files.
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* @param size of removed files in bytes.
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* @param list of files that were removed.
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*/
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LIBPBD_API int clear_directory (const std::string& dir, size_t* size = 0,
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std::vector<std::string>* removed_files = 0);
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/**
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* Remove all the contents of a directory recursively.
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* @note dir will not be removed
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*
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* @param dir The directory to remove files from.
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*/
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LIBPBD_API void remove_directory (const std::string& dir);
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} // namespace PBD
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#endif
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