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update experimental::filesystem

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This commit is contained in:
Jinhao
2015-12-29 01:11:03 +08:00
parent 7cc173022a
commit 443b3dcd87
5 changed files with 300 additions and 195 deletions
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320
source/filesystem/filesystem.cpp
View File

@@ -36,160 +36,184 @@
#include <stdlib.h>
#endif
namespace nana {
namespace experimental
namespace nana { namespace experimental {
namespace filesystem
{
namespace filesystem
{
//Because of No wide character version of POSIX
//Because of No wide character version of POSIX
#if defined(NANA_LINUX) || defined(NANA_MACOS)
const char* splstr = "/";
const char* splstr = "/";
#else
const wchar_t* splstr = L"/\\";
const wchar_t* splstr = L"/\\";
#endif
//class path
path::path() {}
//class file_status
file_status::file_status(file_type ft, perms prms)
: value_{ft}, perms_{prms}
{}
int path::compare(const path& p) const
{
return pathstr_.compare(p.pathstr_);
}
file_type file_status::type() const
{
return value_;
}
bool path::empty() const
{
void file_status::type(file_type ft)
{
value_ = ft;
}
perms file_status::permissions() const
{
return perms_;
}
void file_status::permissions(perms prms)
{
perms_ = prms;
}
//end filestatus
//class path
path::path() {}
int path::compare(const path& p) const
{
return pathstr_.compare(p.pathstr_);
}
bool path::empty() const
{
#if defined(NANA_WINDOWS)
return (::GetFileAttributes(pathstr_.c_str()) == INVALID_FILE_ATTRIBUTES);
return (::GetFileAttributes(pathstr_.c_str()) == INVALID_FILE_ATTRIBUTES);
#elif defined(NANA_LINUX) || defined(NANA_MACOS)
struct stat sta;
return (::stat(pathstr_.c_str(), &sta) == -1);
struct stat sta;
return (::stat(pathstr_.c_str(), &sta) == -1);
#endif
}
}
path path::extension() const
{
path path::extension() const
{
#if defined(NANA_WINDOWS)
auto pos = pathstr_.find_last_of(L"\\/.");
auto pos = pathstr_.find_last_of(L"\\/.");
#else
auto pos = pathstr_.find_last_of("\\/.");
auto pos = pathstr_.find_last_of("\\/.");
#endif
if ((pos == pathstr_.npos) || (pathstr_[pos] != '.'))
return path();
if ((pos == pathstr_.npos) || (pathstr_[pos] != '.'))
return path();
if (pos + 1 == pathstr_.size())
return path();
if (pos + 1 == pathstr_.size())
return path();
return path(pathstr_.substr(pos));
}
return path(pathstr_.substr(pos));
}
path path::parent_path() const
{
return{filesystem::parent_path(pathstr_)};
}
path path::parent_path() const
{
return{filesystem::parent_path(pathstr_)};
}
file_type path::what() const
{
file_type path::what() const
{
#if defined(NANA_WINDOWS)
unsigned long attr = ::GetFileAttributes(pathstr_.c_str());
if (INVALID_FILE_ATTRIBUTES == attr)
return file_type::not_found; //??
unsigned long attr = ::GetFileAttributes(pathstr_.c_str());
if (INVALID_FILE_ATTRIBUTES == attr)
return file_type::not_found; //??
if (FILE_ATTRIBUTE_DIRECTORY & attr)
return file_type::directory;
if (FILE_ATTRIBUTE_DIRECTORY & attr)
return file_type::directory;
return file_type::regular;
return file_type::regular;
#elif defined(NANA_LINUX) || defined(NANA_MACOS)
struct stat sta;
if (-1 == ::stat(pathstr_.c_str(), &sta))
return file_type::not_found; //??
struct stat sta;
if (-1 == ::stat(pathstr_.c_str(), &sta))
return file_type::not_found; //??
if ((S_IFDIR & sta.st_mode) == S_IFDIR)
return file_type::directory;
if ((S_IFDIR & sta.st_mode) == S_IFDIR)
return file_type::directory;
if ((S_IFREG & sta.st_mode) == S_IFREG)
return file_type::regular;
if ((S_IFREG & sta.st_mode) == S_IFREG)
return file_type::regular;
return file_type::none;
return file_type::none;
#endif
}
}
path path::filename() const
path path::filename() const
{
auto pos = pathstr_.find_last_of(splstr);
if (pos != pathstr_.npos)
{
auto pos = pathstr_.find_last_of(splstr);
if (pos != pathstr_.npos)
if (pos + 1 == pathstr_.size())
{
if (pos + 1 == pathstr_.size())
{
value_type tmp[2] = {preferred_separator, 0};
value_type tmp[2] = {preferred_separator, 0};
if (pathstr_.npos != pathstr_.find_last_not_of(splstr, pos))
tmp[0] = '.';
if (pathstr_.npos != pathstr_.find_last_not_of(splstr, pos))
tmp[0] = '.';
return{ tmp };
}
return{ pathstr_.substr(pos + 1) };
return{ tmp };
}
return{ pathstr_ };
return{ pathstr_.substr(pos + 1) };
}
const path::value_type* path::c_str() const
{
return native().c_str();
}
return{ pathstr_ };
}
const path::string_type& path::native() const
{
return pathstr_;
}
const path::value_type* path::c_str() const
{
return native().c_str();
}
const path::string_type& path::native() const
{
return pathstr_;
}
path::operator string_type() const
{
return native();
}
path::operator string_type() const
{
return native();
}
void path::_m_assign(const std::string& source_utf8)
{
void path::_m_assign(const std::string& source_utf8)
{
#if defined(NANA_WINDOWS)
pathstr_ = utf8_cast(source_utf8);
pathstr_ = utf8_cast(source_utf8);
#else
pathstr_ = source_utf8;
pathstr_ = source_utf8;
#endif
}
}
void path::_m_assign(const std::wstring& source)
{
void path::_m_assign(const std::wstring& source)
{
#if defined(NANA_WINDOWS)
pathstr_ = source;
pathstr_ = source;
#else
pathstr_ = utf8_cast(source);
pathstr_ = utf8_cast(source);
#endif
}
//end class path
}
//end class path
bool operator==(const path& lhs, const path& rhs)
{
return (lhs.compare(rhs) == 0);
}
bool operator==(const path& lhs, const path& rhs)
{
return (lhs.compare(rhs) == 0);
}
bool operator!=(const path& lhs, const path& rhs)
{
return (lhs.native() != rhs.native());
}
bool operator!=(const path& lhs, const path& rhs)
{
return (lhs.native() != rhs.native());
}
bool operator<(const path& lhs, const path& rhs)
{
return (lhs.compare(rhs) < 0);
}
bool operator<(const path& lhs, const path& rhs)
{
return (lhs.compare(rhs) < 0);
}
bool operator>(const path& lhs, const path& rhs)
{
return (rhs.compare(lhs) < 0);
}
bool operator>(const path& lhs, const path& rhs)
{
return (rhs.compare(lhs) < 0);
}
namespace detail
{
namespace detail
{
//rm_dir_recursive
//@brief: remove a directory, if it is not empty, recursively remove it's subfiles and sub directories
template<typename CharT>
@@ -257,6 +281,51 @@ namespace nana {
#endif
}//end namespace detail
file_status status(const path& p)
{
#if defined(NANA_WINDOWS)
auto attr = ::GetFileAttributesW(p.c_str());
if(INVALID_FILE_ATTRIBUTES == attr)
return file_status{file_type::unknown};
return file_status{(FILE_ATTRIBUTE_DIRECTORY & attr) ? file_type::directory : file_type::regular, perms::all};
#elif defined(NANA_POSIX)
struct stat path_stat;
if(0 != ::stat(p.c_str(), &path_stat))
{
if(errno == ENOENT || errno == ENOTDIR)
return file_status{file_type::not_found};
return file_status{file_type::unknown};
}
auto prms = static_cast<perms>(path_stat.st_mode & static_cast<unsigned>(perms::mask));
if(S_ISREG(path_stat.st_mode))
return file_status{file_type::regular, prms};
if(S_ISDIR(path_stat.st_mode))
return file_status{file_type::directory, prms};
if(S_ISLNK(path_stat.st_mode))
return file_status{file_type::symlink, prms};
if(S_ISBLK(path_stat.st_mode))
return file_status{file_type::block, prms};
if(S_ISCHR(path_stat.st_mode))
return file_status{file_type::character, prms};
if(S_ISFIFO(path_stat.st_mode))
return file_status{file_type::fifo, prms};
if(S_ISSOCK(path_stat.st_mode))
return file_status{file_type::socket, prms};
return file_status{file_type::unknown};
#endif
}
bool file_attrib(const nana::string& file, attribute& attr)
{
#if defined(NANA_WINDOWS)
@@ -284,7 +353,12 @@ namespace nana {
return false;
}
uintmax_t file_size(const nana::string& file)
bool is_directory(const path& p)
{
return (status(p).type() == file_type::directory);
}
std::uintmax_t file_size(const path& p)
{
#if defined(NANA_WINDOWS)
//Some compilation environment may fail to link to GetFileSizeEx
@@ -292,7 +366,7 @@ namespace nana {
GetFileSizeEx_fptr_t get_file_size_ex = reinterpret_cast<GetFileSizeEx_fptr_t>(::GetProcAddress(::GetModuleHandleA("Kernel32.DLL"), "GetFileSizeEx"));
if (get_file_size_ex)
{
HANDLE handle = ::CreateFile(file.c_str(), GENERIC_READ, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
HANDLE handle = ::CreateFile(p.c_str(), GENERIC_READ, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
if (INVALID_HANDLE_VALUE != handle)
{
LARGE_INTEGER li;
@@ -304,26 +378,21 @@ namespace nana {
}
}
return 0;
#elif defined(NANA_LINUX)
FILE * stream = ::fopen(static_cast<std::string>(nana::charset(file)).c_str(), "rb");
#elif defined(NANA_POSIX)
FILE * stream = ::fopen(p.c_str(), "rb");
long long size = 0;
if (stream)
{
# if defined(NANA_LINUX)
fseeko64(stream, 0, SEEK_END);
size = ftello64(stream);
fclose(stream);
}
return size;
#elif defined(NANA_MACOS)
FILE * stream = ::fopen(static_cast<std::string>(nana::charset(file)).c_str(), "rb");
long long size = 0;
if (stream)
{
# elif defined(NANA_MACOS)
fseeko(stream, 0, SEEK_END);
size = ftello(stream);
fclose(stream);
# endif
::fclose(stream);
}
return size;
return size;
#endif
}
@@ -361,7 +430,18 @@ namespace nana {
return false;
}
bool create_directory(const std::wstring& path, bool & if_exist)
bool create_directory(const path& p)
{
#if defined(NANA_WINDOWS)
return (FALSE != ::CreateDirectoryW(p.c_str(), 0));
#elif defined(NANA_POSIX)
return (0 == ::mkdir(p.c_str(), static_cast<int>(perms::all)));
#endif
}
/*
bool create_directory(const std::wstring& path, bool & if_exist) //deprecated
{
if_exist = false;
if (path.size() == 0) return false;
@@ -411,7 +491,7 @@ namespace nana {
}
return mkstat;
}
*/
bool rmfile(const path& p)
{

15
source/filesystem/fs_utility.cpp
View File

@@ -47,10 +47,11 @@ namespace filesystem
typedef std::string string_t;
const char* splstr = "/\\";
#else
typedef nana::string string_t;
const nana::char_t* splstr = L"/\\";
typedef std::wstring string_t;
const wchar_t* splstr = L"/\\";
#endif
/*
//class path
path::path(){}
@@ -122,7 +123,7 @@ namespace filesystem
#endif
}
//end class path
*/
namespace detail
{
@@ -219,7 +220,8 @@ namespace filesystem
return false;
}
long long filesize(const std::string& file)
/*
long long filesize(const std::string& file) //deprecated
{
#if defined(NANA_WINDOWS)
//Some compilation environment may fail to link to GetFileSizeEx
@@ -256,6 +258,7 @@ namespace filesystem
return size;
#endif
}
*/
bool modified_file_time(const ::std::string& file, struct tm& t)
{
@@ -291,7 +294,8 @@ namespace filesystem
return false;
}
bool mkdir(const std::string& path, bool & if_exist)
/*
bool mkdir(const std::string& path, bool & if_exist) //deprecated
{
if_exist = false;
if(path.size() == 0) return false;
@@ -341,6 +345,7 @@ namespace filesystem
}
return mkstat;
}
*/
bool rmfile(const char* file)
{