add file_type (from type), bring all from fs_utility and mimic path, and directory_entry
This commit is contained in:
qPCR4vir
parent
0b63ca51f7
commit
02961f1673
@ -177,6 +177,7 @@
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<ClCompile Include="..\..\source\deploy.cpp" />
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<ClCompile Include="..\..\source\detail\win32\platform_spec.cpp" />
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<ClCompile Include="..\..\source\exceptions.cpp" />
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<ClCompile Include="..\..\source\filesystem\filesystem.cpp" />
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<ClCompile Include="..\..\source\filesystem\file_iterator.cpp" />
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<ClCompile Include="..\..\source\filesystem\fs_utility.cpp" />
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<ClCompile Include="..\..\source\gui\animation.cpp" />
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@ -300,6 +300,9 @@
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<ClCompile Include="..\..\source\gui\widgets\spinbox.cpp">
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<Filter>Source Files\nana\gui\widgets</Filter>
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</ClCompile>
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<ClCompile Include="..\..\source\filesystem\filesystem.cpp">
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<Filter>Source Files\nana\filesystem</Filter>
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</ClCompile>
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</ItemGroup>
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<ItemGroup>
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<ClInclude Include="..\..\include\nana\filesystem\filesystem.hpp">
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@ -49,20 +49,81 @@ namespace nana
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{
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namespace filesystem
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{
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using path = nana::string;
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enum class file_type
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{
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none = 0, ///< has not been determined or an error occurred while trying to determine
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not_found = -1, ///< Pseudo-type: file was not found. Is not considered an error
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regular = 1,
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directory = 2 ,
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symlink =3, ///< Symbolic link file
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block =4, ///< Block special file
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character= 5 , ///< Character special file
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fifo = 6 , ///< FIFO or pipe file
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socket =7,
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unknown= 8 ///< The file does exist, but is of an operating system dependent type not covered by any of the other
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};
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enum class error { none = 0 };
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struct attribute
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{
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long long bytes;
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bool is_directory;
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tm modified;
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};
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bool file_attrib(const nana::string& file, attribute&);
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long long filesize(const nana::string& file);
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bool mkdir(const nana::string& dir, bool & if_exist);
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bool modified_file_time(const nana::string& file, struct tm&);
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nana::string path_user();
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nana::string path_current();
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bool rmfile(const nana::char_t* file);
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bool rmdir(const nana::char_t* dir, bool fails_if_not_empty);
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nana::string root(const nana::string& path);
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/// concerned only with lexical and syntactic aspects and does not necessarily exist in
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/// external storage, and the pathname is not necessarily valid for the current operating system
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/// or for a particular file system
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/// A sequence of elements that identify the location of a file within a filesystem.
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/// The elements are the:
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/// rootname (opt), root-directory (opt), and an optional sequence of filenames.
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/// The maximum number of elements in the sequence is operating system dependent.
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class path
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{
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public:
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path();
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path(const nana::string&);
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bool empty() const;
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path root() const;
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file_type what() const;
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nana::string name() const;
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private:
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#if defined(NANA_WINDOWS)
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nana::string text_;
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#else
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std::string text_;
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#endif
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};
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struct directory_entry
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{
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directory_entry();
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directory_entry(const nana::string& filename, bool is_directory, unsigned long size)
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:name{filename}, size{size}, directory{is_directory}
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{}
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const path& path() const noexcept{return name;}
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//operator const path&() const noexcept;
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nana::string name;
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path m_path;
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unsigned long size;
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bool directory;
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directory_entry();
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directory_entry(const nana::string& filename, bool is_directory, unsigned long size)
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:m_path{filename}, size{size}, directory{is_directory}
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{}
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operator const path&() const noexcept;
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const path& path() const noexcept{return m_path;}
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};
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@ -100,7 +161,7 @@ namespace filesystem
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bool equal(const directory_iterator& x) const
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{
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if(end_ && (end_ == x.end_)) return true;
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return (value_.name == x.value_.name);
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return (value_.path().name() == x.value_.path().name());
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}
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private:
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template<typename Char>
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442
source/filesystem/filesystem.cpp
Normal file
442
source/filesystem/filesystem.cpp
Normal file
@ -0,0 +1,442 @@
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/*
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* A FileSystem Utility Implementation
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* Copyright(C) 2003-2013 Jinhao(cnjinhao@hotmail.com)
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*
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*
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* @file: nana/filesystem/filesystem.cpp
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* @description:
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* provide some interface for file managment
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*/
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#include <nana/filesystem/filesystem.hpp>
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#include <vector>
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#if defined(NANA_WINDOWS)
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#include <windows.h>
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#if defined(NANA_MINGW)
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#ifndef _WIN32_IE
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#define _WIN32_IE 0x0500
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#endif
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#endif
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#include <shlobj.h>
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#include <nana/datetime.hpp>
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#elif defined(NANA_LINUX)
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#include <nana/charset.hpp>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <dirent.h>
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#include <cstdio>
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#include <cstring>
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#include <errno.h>
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#include <unistd.h>
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#include <stdlib.h>
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#endif
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namespace nana
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{
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namespace filesystem
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{
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//Because of No wide character version of POSIX
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#if defined(NANA_LINUX)
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typedef std::string string_t;
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const char* splstr = "/\\";
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#else
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typedef nana::string string_t;
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const nana::char_t* splstr = STR("/\\");
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#endif
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//class path
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path::path(){}
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path::path(const nana::string& text)
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#if defined(NANA_WINDOWS)
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:text_(text)
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{
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#else
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:text_(nana::charset(text))
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{
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#endif
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auto pos = text_.find_last_of(splstr);
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for(; (pos != string_t::npos) && (pos + 1 == text_.size()); pos = text_.find_last_of(splstr))
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text_.erase(pos);
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}
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bool path::empty() const
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{
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#if defined(NANA_WINDOWS)
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return (::GetFileAttributes(text_.c_str()) == INVALID_FILE_ATTRIBUTES);
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#elif defined(NANA_LINUX)
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struct stat sta;
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return (::stat(text_.c_str(), &sta) == -1);
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#endif
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}
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path path::root() const
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{
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#if defined(NANA_WINDOWS)
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return path(filesystem::root(text_));
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#elif defined(NANA_LINUX)
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return path(filesystem::root(nana::charset(text_)));
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#endif
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}
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file_type path::what() const
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{
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#if defined(NANA_WINDOWS)
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unsigned long attr = ::GetFileAttributes(text_.c_str());
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if(INVALID_FILE_ATTRIBUTES == attr)
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return file_type:: not_found ; //??
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if(FILE_ATTRIBUTE_DIRECTORY & attr)
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return file_type::directory;
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return file_type::regular;
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#elif defined(NANA_LINUX)
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struct stat sta;
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if(-1 == ::stat(text_.c_str(), &sta))
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return file_type:: not_found ; //??
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if((S_IFDIR & sta.st_mode) == S_IFDIR)
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return file_type::directory;
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if((S_IFREG & sta.st_mode) == S_IFREG)
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return file_type::regular;
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return file_type::none;
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#endif
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}
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nana::string path::name() const
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{
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string_t::size_type pos = text_.find_last_of(splstr);
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#if defined(NANA_WINDOWS)
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return text_.substr(pos + 1);
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#else
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return nana::charset(text_.substr(pos + 1));
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#endif
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}
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//end class path
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namespace detail
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{
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//rm_dir_recursive
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//@brief: remove a directory, if it is not empty, recursively remove it's subfiles and sub directories
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bool rm_dir_recursive(nana::string&& dir)
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{
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std::vector<directory_iterator::value_type> files;
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nana::string path = dir;
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path += '\\';
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std::copy(directory_iterator(dir), directory_iterator(), std::back_inserter(files));
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for(auto & f : files)
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{
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if(f.directory)
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rm_dir_recursive(path + f.path().name());
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else
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rmfile((path + f.path().name()).c_str());
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}
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return rmdir(dir.c_str(), true);
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}
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bool mkdir_helper(const nana::string& dir, bool & if_exist)
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{
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#if defined(NANA_WINDOWS)
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if(::CreateDirectory(dir.c_str(), 0))
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{
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if_exist = false;
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return true;
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}
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if_exist = (::GetLastError() == ERROR_ALREADY_EXISTS);
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#elif defined(NANA_LINUX)
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if(0 == ::mkdir(static_cast<std::string>(nana::charset(dir)).c_str(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH))
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{
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if_exist = false;
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return true;
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}
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if_exist = (errno == EEXIST);
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#endif
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return false;
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}
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#if defined(NANA_WINDOWS)
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void filetime_to_c_tm(FILETIME& ft, struct tm& t)
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{
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FILETIME local_file_time;
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if(::FileTimeToLocalFileTime(&ft, &local_file_time))
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{
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SYSTEMTIME st;
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::FileTimeToSystemTime(&local_file_time, &st);
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t.tm_year = st.wYear - 1900;
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t.tm_mon = st.wMonth - 1;
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t.tm_mday = st.wDay;
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t.tm_wday = st.wDayOfWeek - 1;
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t.tm_yday = nana::date::day_in_year(st.wYear, st.wMonth, st.wDay);
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t.tm_hour = st.wHour;
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t.tm_min = st.wMinute;
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t.tm_sec = st.wSecond;
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}
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}
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#endif
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}//end namespace detail
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bool file_attrib(const nana::string& file, attribute& attr)
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{
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#if defined(NANA_WINDOWS)
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WIN32_FILE_ATTRIBUTE_DATA fad;
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if(::GetFileAttributesEx(file.c_str(), GetFileExInfoStandard, &fad))
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{
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LARGE_INTEGER li;
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li.u.LowPart = fad.nFileSizeLow;
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li.u.HighPart = fad.nFileSizeHigh;
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attr.bytes = li.QuadPart;
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attr.is_directory = (0 != (fad.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY));
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detail::filetime_to_c_tm(fad.ftLastWriteTime, attr.modified);
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return true;
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}
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#elif defined(NANA_LINUX)
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struct stat fst;
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if(0 == ::stat(static_cast<std::string>(nana::charset(file)).c_str(), &fst))
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{
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attr.bytes = fst.st_size;
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attr.is_directory = (0 != (040000 & fst.st_mode));
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attr.modified = *(::localtime(&fst.st_ctime));
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return true;
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}
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#endif
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return false;
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}
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long long filesize(const nana::string& file)
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{
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#if defined(NANA_WINDOWS)
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//Some compilation environment may fail to link to GetFileSizeEx
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typedef BOOL (__stdcall *GetFileSizeEx_fptr_t)(HANDLE, PLARGE_INTEGER);
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GetFileSizeEx_fptr_t get_file_size_ex = reinterpret_cast<GetFileSizeEx_fptr_t>(::GetProcAddress(::GetModuleHandleA("Kernel32.DLL"), "GetFileSizeEx"));
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if(get_file_size_ex)
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{
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HANDLE handle = ::CreateFile(file.c_str(), GENERIC_READ, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
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if(INVALID_HANDLE_VALUE != handle)
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{
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LARGE_INTEGER li;
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if(!get_file_size_ex(handle, &li))
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li.QuadPart = 0;
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::CloseHandle(handle);
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return li.QuadPart;
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}
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}
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return 0;
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#elif defined(NANA_LINUX)
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FILE * stream = ::fopen(static_cast<std::string>(nana::charset(file)).c_str(), "rb");
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long long size = 0;
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if(stream)
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{
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fseeko64(stream, 0, SEEK_END);
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size = ftello64(stream);
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fclose(stream);
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}
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return size;
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#endif
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}
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bool modified_file_time(const nana::string& file, struct tm& t)
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{
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#if defined(NANA_WINDOWS)
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WIN32_FILE_ATTRIBUTE_DATA attr;
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if(::GetFileAttributesEx(file.c_str(), GetFileExInfoStandard, &attr))
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{
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FILETIME local_file_time;
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if(::FileTimeToLocalFileTime(&attr.ftLastWriteTime, &local_file_time))
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{
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SYSTEMTIME st;
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::FileTimeToSystemTime(&local_file_time, &st);
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t.tm_year = st.wYear - 1900;
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t.tm_mon = st.wMonth - 1;
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t.tm_mday = st.wDay;
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t.tm_wday = st.wDayOfWeek - 1;
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t.tm_yday = nana::date::day_in_year(st.wYear, st.wMonth, st.wDay);
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t.tm_hour = st.wHour;
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t.tm_min = st.wMinute;
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t.tm_sec = st.wSecond;
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return true;
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}
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}
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#elif defined(NANA_LINUX)
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struct stat attr;
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if(0 == ::stat(static_cast<std::string>(nana::charset(file)).c_str(), &attr))
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{
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t = *(::localtime(&attr.st_ctime));
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return true;
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}
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#endif
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return false;
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}
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bool mkdir(const nana::string& path, bool & if_exist)
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{
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if_exist = false;
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if(path.size() == 0) return false;
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nana::string root;
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#if defined(NANA_WINDOWS)
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if(path.size() > 3 && path[1] == STR(':'))
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root = path.substr(0, 3);
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#elif defined(NANA_LINUX)
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if(path[0] == STR('/'))
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root = '/';
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#endif
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bool mkstat = false;
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std::size_t beg = root.size();
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while(true)
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{
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beg = path.find_first_not_of(STR("/\\"), beg);
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if(beg == path.npos)
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break;
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std::size_t pos = path.find_first_of(STR("/\\"), beg + 1);
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if(pos != path.npos)
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{
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root += path.substr(beg, pos - beg);
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mkstat = detail::mkdir_helper(root, if_exist);
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if(mkstat == false && if_exist == false)
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return false;
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#if defined(NANA_WINDOWS)
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root += STR('\\');
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#elif defined(NANA_LINUX)
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root += STR('/');
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#endif
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}
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else
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{
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if(beg + 1 < path.size())
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{
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root += path.substr(beg);
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mkstat = detail::mkdir_helper(root, if_exist);
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}
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break;
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}
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beg = pos + 1;
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}
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return mkstat;
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}
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bool rmfile(const nana::char_t* file)
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{
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#if defined(NANA_WINDOWS)
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bool ret = false;
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if(file)
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{
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ret = (::DeleteFile(file) == TRUE);
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if(!ret)
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ret = (ERROR_FILE_NOT_FOUND == ::GetLastError());
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}
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return ret;
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#elif defined(NANA_LINUX)
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if(std::remove(static_cast<std::string>(nana::charset(file)).c_str()))
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return (errno == ENOENT);
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return true;
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#endif
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}
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bool rmdir(const nana::char_t* dir, bool fails_if_not_empty)
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{
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bool ret = false;
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if(dir)
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{
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#if defined(NANA_WINDOWS)
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ret = (::RemoveDirectory(dir) == TRUE);
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if(!fails_if_not_empty && (::GetLastError() == ERROR_DIR_NOT_EMPTY))
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ret = detail::rm_dir_recursive(dir);
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#elif defined(NANA_LINUX)
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std::string mbstr = nana::charset(dir);
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if(::rmdir(mbstr.c_str()))
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{
|
||||
if(!fails_if_not_empty && (errno == EEXIST || errno == ENOTEMPTY))
|
||||
ret = detail::rm_dir_recursive(dir);
|
||||
}
|
||||
else
|
||||
ret = true;
|
||||
#endif
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
nana::string root(const nana::string& path)
|
||||
{
|
||||
std::size_t index = path.size();
|
||||
|
||||
if(index)
|
||||
{
|
||||
const nana::char_t * str = path.c_str();
|
||||
|
||||
for(--index; index > 0; --index)
|
||||
{
|
||||
nana::char_t c = str[index];
|
||||
if(c != '\\' && c != '/')
|
||||
break;
|
||||
}
|
||||
|
||||
for(--index; index > 0; --index)
|
||||
{
|
||||
nana::char_t c = str[index];
|
||||
if(c == '\\' || c == '/')
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return index?path.substr(0, index + 1):nana::string();
|
||||
}
|
||||
|
||||
nana::string path_user()
|
||||
{
|
||||
#if defined(NANA_WINDOWS)
|
||||
nana::char_t path[MAX_PATH];
|
||||
if(SUCCEEDED(SHGetFolderPath(0, CSIDL_PROFILE, 0, SHGFP_TYPE_CURRENT, path)))
|
||||
return path;
|
||||
#elif defined(NANA_LINUX)
|
||||
const char * s = ::getenv("HOME");
|
||||
if(s)
|
||||
return nana::charset(std::string(s, std::strlen(s)), nana::unicode::utf8);
|
||||
#endif
|
||||
return nana::string();
|
||||
}
|
||||
|
||||
nana::string path_current()
|
||||
{
|
||||
#if defined(NANA_WINDOWS)
|
||||
nana::char_t buf[MAX_PATH];
|
||||
DWORD len = ::GetCurrentDirectory(MAX_PATH, buf);
|
||||
if(len)
|
||||
{
|
||||
if(len > MAX_PATH)
|
||||
{
|
||||
nana::char_t * p = new nana::char_t[len + 1];
|
||||
::GetCurrentDirectory(len + 1, p);
|
||||
nana::string s = p;
|
||||
delete [] p;
|
||||
return s;
|
||||
}
|
||||
return buf;
|
||||
}
|
||||
#elif defined(NANA_LINUX)
|
||||
const char * s = ::getenv("PWD");
|
||||
if(s)
|
||||
return nana::charset(std::string(s, std::strlen(s)), nana::unicode::utf8);
|
||||
#endif
|
||||
return nana::string();
|
||||
}
|
||||
}//end namespace filesystem
|
||||
}//end namespace nana
|
||||
Loading…
x
Reference in New Issue
Block a user