Merge branch 'nana_exp_filesystem' of https://github.com/qPCR4vir/nana into qPCR4vir-nana_exp_filesystem
This commit is contained in:
Jinhao
@@ -8,7 +8,8 @@ namespace nana{ namespace audio
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//class audio_stream
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bool audio_stream::open(const nana::string& file)
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{
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fs_.open(static_cast<std::string>(nana::charset(file)), std::ios::binary);
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std::string fname{nana::charset(file)};//static_cast<std::string>()
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fs_.open(fname, std::ios::binary);
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if(fs_)
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{
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wave_spec::master_riff_chunk riff;
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444
source/filesystem/filesystem.cpp
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444
source/filesystem/filesystem.cpp
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@@ -0,0 +1,444 @@
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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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namespace experimental
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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::filename() 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.attr.directory)
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rm_dir_recursive(path + f.path().filename());
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else
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rmfile((path + f.path().filename()).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.size = li.QuadPart;
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attr.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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uintmax_t file_size(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 create_directory(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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{
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if (!fails_if_not_empty && (errno == EEXIST || errno == ENOTEMPTY))
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ret = detail::rm_dir_recursive(dir);
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}
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else
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ret = true;
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#endif
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}
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return ret;
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}
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nana::string root(const nana::string& path)
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{
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std::size_t index = path.size();
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if (index)
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{
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const nana::char_t * str = path.c_str();
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for (--index; index > 0; --index)
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{
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nana::char_t c = str[index];
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if (c != '\\' && c != '/')
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break;
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}
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for (--index; index > 0; --index)
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{
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nana::char_t c = str[index];
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if (c == '\\' || c == '/')
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break;
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}
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}
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return index ? path.substr(0, index + 1) : nana::string();
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}
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nana::string path_user()
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{
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#if defined(NANA_WINDOWS)
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nana::char_t path[MAX_PATH];
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if (SUCCEEDED(SHGetFolderPath(0, CSIDL_PROFILE, 0, SHGFP_TYPE_CURRENT, path)))
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return path;
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#elif defined(NANA_LINUX)
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const char * s = ::getenv("HOME");
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if (s)
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return nana::charset(std::string(s, std::strlen(s)), nana::unicode::utf8);
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#endif
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return nana::string();
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}
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path current_path()
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{
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#if defined(NANA_WINDOWS)
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nana::char_t buf[MAX_PATH];
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DWORD len = ::GetCurrentDirectory(MAX_PATH, buf);
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if (len)
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{
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if (len > MAX_PATH)
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{
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nana::char_t * p = new nana::char_t[len + 1];
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::GetCurrentDirectory(len + 1, p);
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nana::string s = p;
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delete[] p;
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return s;
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}
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return buf;
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}
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#elif defined(NANA_LINUX)
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const char * s = ::getenv("PWD");
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if (s)
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return nana::charset(std::string(s, std::strlen(s)), nana::unicode::utf8);
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#endif
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return nana::string();
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}
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}//end namespace filesystem
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} //end namespace experimental
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}//end namespace nana
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@@ -18,6 +18,8 @@
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#include <nana/gui/widgets/skeletons/text_editor.hpp>
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#include <nana/gui/widgets/skeletons/textbase_export_interface.hpp>
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#include <iterator>
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namespace nana
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{
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||||
arg_combox::arg_combox(combox& wdg): widget(wdg)
|
||||
|
||||
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