mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-11 13:46:43 +00:00
eee966a7d8
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@33490 a592a061-630c-0410-9148-cb99ea01b6c8
920 lines
20 KiB
C++
920 lines
20 KiB
C++
/*
|
|
*
|
|
* Copyright (c) 1998-2002
|
|
* John Maddock
|
|
*
|
|
* Use, modification and distribution are subject to the
|
|
* Boost Software License, Version 1.0. (See accompanying file
|
|
* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* LOCATION: see http://www.boost.org for most recent version.
|
|
* FILE: fileiter.cpp
|
|
* VERSION: see <boost/version.hpp>
|
|
* DESCRIPTION: Implements file io primitives + directory searching for class boost::RegEx.
|
|
*/
|
|
|
|
|
|
#define BOOST_REGEX_SOURCE
|
|
|
|
#include <climits>
|
|
#include <stdexcept>
|
|
#include <string>
|
|
#include <boost/throw_exception.hpp>
|
|
#include <boost/regex/v4/fileiter.hpp>
|
|
#include <boost/regex/v4/regex_workaround.hpp>
|
|
#include <boost/regex/pattern_except.hpp>
|
|
|
|
#include <cstdio>
|
|
#if defined(BOOST_NO_STDC_NAMESPACE)
|
|
namespace std{
|
|
using ::sprintf;
|
|
using ::fseek;
|
|
using ::fread;
|
|
using ::ftell;
|
|
using ::fopen;
|
|
using ::fclose;
|
|
using ::FILE;
|
|
using ::strcpy;
|
|
using ::strcpy;
|
|
using ::strcat;
|
|
using ::strcmp;
|
|
using ::strlen;
|
|
}
|
|
#endif
|
|
|
|
|
|
#ifndef BOOST_REGEX_NO_FILEITER
|
|
|
|
#if defined(__CYGWIN__) || defined(__CYGWIN32__)
|
|
#include <sys/cygwin.h>
|
|
#endif
|
|
|
|
#ifdef BOOST_MSVC
|
|
# pragma warning(disable: 4800)
|
|
#endif
|
|
|
|
namespace boost{
|
|
namespace re_detail{
|
|
// start with the operating system specific stuff:
|
|
|
|
#if (defined(__BORLANDC__) || defined(BOOST_REGEX_FI_WIN32_DIR) || defined(BOOST_MSVC)) && !defined(BOOST_RE_NO_WIN32)
|
|
|
|
// platform is DOS or Windows
|
|
// directories are separated with '\\'
|
|
// and names are insensitive of case
|
|
|
|
BOOST_REGEX_DECL const char* _fi_sep = "\\";
|
|
const char* _fi_sep_alt = "/";
|
|
#define BOOST_REGEX_FI_TRANSLATE(c) std::tolower(c)
|
|
|
|
#else
|
|
|
|
// platform is not DOS or Windows
|
|
// directories are separated with '/'
|
|
// and names are sensitive of case
|
|
|
|
BOOST_REGEX_DECL const char* _fi_sep = "/";
|
|
const char* _fi_sep_alt = _fi_sep;
|
|
#define BOOST_REGEX_FI_TRANSLATE(c) c
|
|
|
|
#endif
|
|
|
|
#ifdef BOOST_REGEX_FI_WIN32_MAP
|
|
|
|
void mapfile::open(const char* file)
|
|
{
|
|
#if defined(BOOST_NO_ANSI_APIS)
|
|
int filename_size = strlen(file);
|
|
LPWSTR wide_file = (LPWSTR)_alloca( (filename_size + 1) * sizeof(WCHAR) );
|
|
if(::MultiByteToWideChar(CP_ACP, 0, file, filename_size, wide_file, filename_size + 1) == 0)
|
|
hfile = INVALID_HANDLE_VALUE;
|
|
else
|
|
hfile = CreateFileW(wide_file, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
|
|
#elif defined(__CYGWIN__)||defined(__CYGWIN32__)
|
|
char win32file[ MAX_PATH ];
|
|
cygwin_conv_to_win32_path( file, win32file );
|
|
hfile = CreateFileA(win32file, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
|
|
#else
|
|
hfile = CreateFileA(file, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
|
|
#endif
|
|
if(hfile != INVALID_HANDLE_VALUE)
|
|
{
|
|
hmap = CreateFileMapping(hfile, 0, PAGE_READONLY, 0, 0, 0);
|
|
if((hmap == INVALID_HANDLE_VALUE) || (hmap == NULL))
|
|
{
|
|
CloseHandle(hfile);
|
|
hmap = 0;
|
|
hfile = 0;
|
|
std::runtime_error err("Unable to create file mapping.");
|
|
boost::re_detail::raise_runtime_error(err);
|
|
}
|
|
_first = static_cast<const char*>(MapViewOfFile(hmap, FILE_MAP_READ, 0, 0, 0));
|
|
if(_first == 0)
|
|
{
|
|
CloseHandle(hmap);
|
|
CloseHandle(hfile);
|
|
hmap = 0;
|
|
hfile = 0;
|
|
std::runtime_error err("Unable to create file mapping.");
|
|
}
|
|
_last = _first + GetFileSize(hfile, 0);
|
|
}
|
|
else
|
|
{
|
|
hfile = 0;
|
|
#ifndef BOOST_NO_EXCEPTIONS
|
|
throw std::runtime_error("Unable to open file.");
|
|
#else
|
|
BOOST_REGEX_NOEH_ASSERT(hfile != INVALID_HANDLE_VALUE);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void mapfile::close()
|
|
{
|
|
if(hfile != INVALID_HANDLE_VALUE)
|
|
{
|
|
UnmapViewOfFile((void*)_first);
|
|
CloseHandle(hmap);
|
|
CloseHandle(hfile);
|
|
hmap = hfile = 0;
|
|
_first = _last = 0;
|
|
}
|
|
}
|
|
|
|
#elif !defined(BOOST_RE_NO_STL)
|
|
|
|
mapfile_iterator& mapfile_iterator::operator = (const mapfile_iterator& i)
|
|
{
|
|
if(file && node)
|
|
file->unlock(node);
|
|
file = i.file;
|
|
node = i.node;
|
|
offset = i.offset;
|
|
if(file)
|
|
file->lock(node);
|
|
return *this;
|
|
}
|
|
|
|
mapfile_iterator& mapfile_iterator::operator++ ()
|
|
{
|
|
if((++offset == mapfile::buf_size) && file)
|
|
{
|
|
++node;
|
|
offset = 0;
|
|
file->lock(node);
|
|
file->unlock(node-1);
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
mapfile_iterator mapfile_iterator::operator++ (int)
|
|
{
|
|
mapfile_iterator temp(*this);
|
|
if((++offset == mapfile::buf_size) && file)
|
|
{
|
|
++node;
|
|
offset = 0;
|
|
file->lock(node);
|
|
file->unlock(node-1);
|
|
}
|
|
return temp;
|
|
}
|
|
|
|
mapfile_iterator& mapfile_iterator::operator-- ()
|
|
{
|
|
if((offset == 0) && file)
|
|
{
|
|
--node;
|
|
offset = mapfile::buf_size - 1;
|
|
file->lock(node);
|
|
file->unlock(node + 1);
|
|
}
|
|
else
|
|
--offset;
|
|
return *this;
|
|
}
|
|
|
|
mapfile_iterator mapfile_iterator::operator-- (int)
|
|
{
|
|
mapfile_iterator temp(*this);
|
|
if((offset == 0) && file)
|
|
{
|
|
--node;
|
|
offset = mapfile::buf_size - 1;
|
|
file->lock(node);
|
|
file->unlock(node + 1);
|
|
}
|
|
else
|
|
--offset;
|
|
return temp;
|
|
}
|
|
|
|
mapfile_iterator operator + (const mapfile_iterator& i, long off)
|
|
{
|
|
mapfile_iterator temp(i);
|
|
temp += off;
|
|
return temp;
|
|
}
|
|
|
|
mapfile_iterator operator - (const mapfile_iterator& i, long off)
|
|
{
|
|
mapfile_iterator temp(i);
|
|
temp -= off;
|
|
return temp;
|
|
}
|
|
|
|
mapfile::iterator mapfile::begin()const
|
|
{
|
|
return mapfile_iterator(this, 0);
|
|
}
|
|
|
|
mapfile::iterator mapfile::end()const
|
|
{
|
|
return mapfile_iterator(this, _size);
|
|
}
|
|
|
|
void mapfile::lock(pointer* node)const
|
|
{
|
|
BOOST_ASSERT(node >= _first);
|
|
BOOST_ASSERT(node <= _last);
|
|
if(node < _last)
|
|
{
|
|
if(*node == 0)
|
|
{
|
|
if(condemed.empty())
|
|
{
|
|
*node = new char[sizeof(int) + buf_size];
|
|
*(reinterpret_cast<int*>(*node)) = 1;
|
|
}
|
|
else
|
|
{
|
|
pointer* p = condemed.front();
|
|
condemed.pop_front();
|
|
*node = *p;
|
|
*p = 0;
|
|
*(reinterpret_cast<int*>(*node)) = 1;
|
|
}
|
|
|
|
std::size_t read_size = 0;
|
|
int read_pos = std::fseek(hfile, (node - _first) * buf_size, SEEK_SET);
|
|
|
|
if(0 == read_pos && node == _last - 1)
|
|
read_size = std::fread(*node + sizeof(int), _size % buf_size, 1, hfile);
|
|
else
|
|
read_size = std::fread(*node + sizeof(int), buf_size, 1, hfile);
|
|
#ifndef BOOST_NO_EXCEPTIONS
|
|
if((read_size == 0) || (std::ferror(hfile)))
|
|
{
|
|
throw std::runtime_error("Unable to read file.");
|
|
}
|
|
#else
|
|
BOOST_REGEX_NOEH_ASSERT((0 == std::ferror(hfile)) && (read_size != 0));
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
if(*reinterpret_cast<int*>(*node) == 0)
|
|
{
|
|
*reinterpret_cast<int*>(*node) = 1;
|
|
condemed.remove(node);
|
|
}
|
|
else
|
|
++(*reinterpret_cast<int*>(*node));
|
|
}
|
|
}
|
|
}
|
|
|
|
void mapfile::unlock(pointer* node)const
|
|
{
|
|
BOOST_ASSERT(node >= _first);
|
|
BOOST_ASSERT(node <= _last);
|
|
if(node < _last)
|
|
{
|
|
if(--(*reinterpret_cast<int*>(*node)) == 0)
|
|
{
|
|
condemed.push_back(node);
|
|
}
|
|
}
|
|
}
|
|
|
|
long int get_file_length(std::FILE* hfile)
|
|
{
|
|
long int result;
|
|
std::fseek(hfile, 0, SEEK_END);
|
|
result = std::ftell(hfile);
|
|
std::fseek(hfile, 0, SEEK_SET);
|
|
return result;
|
|
}
|
|
|
|
|
|
void mapfile::open(const char* file)
|
|
{
|
|
hfile = std::fopen(file, "rb");
|
|
#ifndef BOOST_NO_EXCEPTIONS
|
|
try{
|
|
#endif
|
|
if(hfile != 0)
|
|
{
|
|
_size = get_file_length(hfile);
|
|
long cnodes = (_size + buf_size - 1) / buf_size;
|
|
|
|
// check that number of nodes is not too high:
|
|
if(cnodes > (long)((INT_MAX) / sizeof(pointer*)))
|
|
{
|
|
std::fclose(hfile);
|
|
hfile = 0;
|
|
_size = 0;
|
|
return;
|
|
}
|
|
|
|
_first = new pointer[(int)cnodes];
|
|
_last = _first + cnodes;
|
|
std::memset(_first, 0, cnodes*sizeof(pointer));
|
|
}
|
|
else
|
|
{
|
|
std::runtime_error err("Unable to open file.");
|
|
}
|
|
#ifndef BOOST_NO_EXCEPTIONS
|
|
}catch(...)
|
|
{ close(); throw; }
|
|
#endif
|
|
}
|
|
|
|
void mapfile::close()
|
|
{
|
|
if(hfile != 0)
|
|
{
|
|
pointer* p = _first;
|
|
while(p != _last)
|
|
{
|
|
if(*p)
|
|
delete[] *p;
|
|
++p;
|
|
}
|
|
delete[] _first;
|
|
_size = 0;
|
|
_first = _last = 0;
|
|
std::fclose(hfile);
|
|
hfile = 0;
|
|
condemed.erase(condemed.begin(), condemed.end());
|
|
}
|
|
}
|
|
|
|
|
|
#endif
|
|
|
|
inline _fi_find_handle find_first_file(const char* wild, _fi_find_data& data)
|
|
{
|
|
#ifdef BOOST_NO_ANSI_APIS
|
|
std::size_t wild_size = std::strlen(wild);
|
|
LPWSTR wide_wild = (LPWSTR)_alloca( (wild_size + 1) * sizeof(WCHAR) );
|
|
if (::MultiByteToWideChar(CP_ACP, 0, wild, wild_size, wide_wild, wild_size + 1) == 0)
|
|
return _fi_invalid_handle;
|
|
|
|
return FindFirstFileW(wide_wild, &data);
|
|
#else
|
|
return FindFirstFileA(wild, &data);
|
|
#endif
|
|
}
|
|
|
|
inline bool find_next_file(_fi_find_handle hf, _fi_find_data& data)
|
|
{
|
|
#ifdef BOOST_NO_ANSI_APIS
|
|
return FindNextFileW(hf, &data);
|
|
#else
|
|
return FindNextFileA(hf, &data);
|
|
#endif
|
|
}
|
|
|
|
inline void copy_find_file_result_with_overflow_check(const _fi_find_data& data, char* path, size_t max_size)
|
|
{
|
|
#ifdef BOOST_NO_ANSI_APIS
|
|
if (::WideCharToMultiByte(CP_ACP, 0, data.cFileName, -1, path, max_size, NULL, NULL) == 0)
|
|
re_detail::overflow_error_if_not_zero(1);
|
|
#else
|
|
re_detail::overflow_error_if_not_zero(re_detail::strcpy_s(path, max_size, data.cFileName));
|
|
#endif
|
|
}
|
|
|
|
inline bool is_not_current_or_parent_path_string(const _fi_find_data& data)
|
|
{
|
|
#ifdef BOOST_NO_ANSI_APIS
|
|
return (std::wcscmp(data.cFileName, L".") && std::wcscmp(data.cFileName, L".."));
|
|
#else
|
|
return (std::strcmp(data.cFileName, ".") && std::strcmp(data.cFileName, ".."));
|
|
#endif
|
|
}
|
|
|
|
|
|
file_iterator::file_iterator()
|
|
{
|
|
_root = _path = 0;
|
|
ref = 0;
|
|
#ifndef BOOST_NO_EXCEPTIONS
|
|
try{
|
|
#endif
|
|
_root = new char[MAX_PATH];
|
|
BOOST_REGEX_NOEH_ASSERT(_root)
|
|
_path = new char[MAX_PATH];
|
|
BOOST_REGEX_NOEH_ASSERT(_path)
|
|
ptr = _path;
|
|
*_path = 0;
|
|
*_root = 0;
|
|
ref = new file_iterator_ref();
|
|
BOOST_REGEX_NOEH_ASSERT(ref)
|
|
ref->hf = _fi_invalid_handle;
|
|
ref->count = 1;
|
|
#ifndef BOOST_NO_EXCEPTIONS
|
|
}
|
|
catch(...)
|
|
{
|
|
delete[] _root;
|
|
delete[] _path;
|
|
delete ref;
|
|
throw;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
file_iterator::file_iterator(const char* wild)
|
|
{
|
|
_root = _path = 0;
|
|
ref = 0;
|
|
#ifndef BOOST_NO_EXCEPTIONS
|
|
try{
|
|
#endif
|
|
_root = new char[MAX_PATH];
|
|
BOOST_REGEX_NOEH_ASSERT(_root)
|
|
_path = new char[MAX_PATH];
|
|
BOOST_REGEX_NOEH_ASSERT(_path)
|
|
re_detail::overflow_error_if_not_zero(re_detail::strcpy_s(_root, MAX_PATH, wild));
|
|
ptr = _root;
|
|
while(*ptr)++ptr;
|
|
while((ptr > _root) && (*ptr != *_fi_sep) && (*ptr != *_fi_sep_alt))--ptr;
|
|
if((ptr == _root) && ( (*ptr== *_fi_sep) || (*ptr==*_fi_sep_alt) ) )
|
|
{
|
|
_root[1]='\0';
|
|
re_detail::overflow_error_if_not_zero(re_detail::strcpy_s(_path, MAX_PATH, _root));
|
|
}
|
|
else
|
|
{
|
|
*ptr = 0;
|
|
re_detail::overflow_error_if_not_zero(re_detail::strcpy_s(_path, MAX_PATH, _root));
|
|
if(*_path == 0)
|
|
re_detail::overflow_error_if_not_zero(re_detail::strcpy_s(_path, MAX_PATH, "."));
|
|
re_detail::overflow_error_if_not_zero(re_detail::strcat_s(_path, MAX_PATH, _fi_sep));
|
|
}
|
|
ptr = _path + std::strlen(_path);
|
|
|
|
ref = new file_iterator_ref();
|
|
BOOST_REGEX_NOEH_ASSERT(ref)
|
|
ref->hf = find_first_file(wild, ref->_data);
|
|
ref->count = 1;
|
|
|
|
if(ref->hf == _fi_invalid_handle)
|
|
{
|
|
*_path = 0;
|
|
ptr = _path;
|
|
}
|
|
else
|
|
{
|
|
copy_find_file_result_with_overflow_check(ref->_data, ptr, (MAX_PATH - (ptr - _path)));
|
|
if(ref->_data.dwFileAttributes & _fi_dir)
|
|
next();
|
|
}
|
|
#ifndef BOOST_NO_EXCEPTIONS
|
|
}
|
|
catch(...)
|
|
{
|
|
delete[] _root;
|
|
delete[] _path;
|
|
delete ref;
|
|
throw;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
file_iterator::file_iterator(const file_iterator& other)
|
|
{
|
|
_root = _path = 0;
|
|
ref = 0;
|
|
#ifndef BOOST_NO_EXCEPTIONS
|
|
try{
|
|
#endif
|
|
_root = new char[MAX_PATH];
|
|
BOOST_REGEX_NOEH_ASSERT(_root)
|
|
_path = new char[MAX_PATH];
|
|
BOOST_REGEX_NOEH_ASSERT(_path)
|
|
re_detail::overflow_error_if_not_zero(re_detail::strcpy_s(_root, MAX_PATH, other._root));
|
|
re_detail::overflow_error_if_not_zero(re_detail::strcpy_s(_path, MAX_PATH, other._path));
|
|
ptr = _path + (other.ptr - other._path);
|
|
ref = other.ref;
|
|
#ifndef BOOST_NO_EXCEPTIONS
|
|
}
|
|
catch(...)
|
|
{
|
|
delete[] _root;
|
|
delete[] _path;
|
|
throw;
|
|
}
|
|
#endif
|
|
++(ref->count);
|
|
}
|
|
|
|
file_iterator& file_iterator::operator=(const file_iterator& other)
|
|
{
|
|
re_detail::overflow_error_if_not_zero(re_detail::strcpy_s(_root, MAX_PATH, other._root));
|
|
re_detail::overflow_error_if_not_zero(re_detail::strcpy_s(_path, MAX_PATH, other._path));
|
|
ptr = _path + (other.ptr - other._path);
|
|
if(--(ref->count) == 0)
|
|
{
|
|
if(ref->hf != _fi_invalid_handle)
|
|
FindClose(ref->hf);
|
|
delete ref;
|
|
}
|
|
ref = other.ref;
|
|
++(ref->count);
|
|
return *this;
|
|
}
|
|
|
|
|
|
file_iterator::~file_iterator()
|
|
{
|
|
delete[] _root;
|
|
delete[] _path;
|
|
if(--(ref->count) == 0)
|
|
{
|
|
if(ref->hf != _fi_invalid_handle)
|
|
FindClose(ref->hf);
|
|
delete ref;
|
|
}
|
|
}
|
|
|
|
file_iterator file_iterator::operator++(int)
|
|
{
|
|
file_iterator temp(*this);
|
|
next();
|
|
return temp;
|
|
}
|
|
|
|
|
|
void file_iterator::next()
|
|
{
|
|
if(ref->hf != _fi_invalid_handle)
|
|
{
|
|
bool cont = true;
|
|
while(cont)
|
|
{
|
|
cont = find_next_file(ref->hf, ref->_data);
|
|
if(cont && ((ref->_data.dwFileAttributes & _fi_dir) == 0))
|
|
break;
|
|
}
|
|
if(!cont)
|
|
{
|
|
// end of sequence
|
|
FindClose(ref->hf);
|
|
ref->hf = _fi_invalid_handle;
|
|
*_path = 0;
|
|
ptr = _path;
|
|
}
|
|
else
|
|
copy_find_file_result_with_overflow_check(ref->_data, ptr, MAX_PATH - (ptr - _path));
|
|
}
|
|
}
|
|
|
|
|
|
|
|
directory_iterator::directory_iterator()
|
|
{
|
|
_root = _path = 0;
|
|
ref = 0;
|
|
#ifndef BOOST_NO_EXCEPTIONS
|
|
try{
|
|
#endif
|
|
_root = new char[MAX_PATH];
|
|
BOOST_REGEX_NOEH_ASSERT(_root)
|
|
_path = new char[MAX_PATH];
|
|
BOOST_REGEX_NOEH_ASSERT(_path)
|
|
ptr = _path;
|
|
*_path = 0;
|
|
*_root = 0;
|
|
ref = new file_iterator_ref();
|
|
BOOST_REGEX_NOEH_ASSERT(ref)
|
|
ref->hf = _fi_invalid_handle;
|
|
ref->count = 1;
|
|
#ifndef BOOST_NO_EXCEPTIONS
|
|
}
|
|
catch(...)
|
|
{
|
|
delete[] _root;
|
|
delete[] _path;
|
|
delete ref;
|
|
throw;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
directory_iterator::directory_iterator(const char* wild)
|
|
{
|
|
_root = _path = 0;
|
|
ref = 0;
|
|
#ifndef BOOST_NO_EXCEPTIONS
|
|
try{
|
|
#endif
|
|
_root = new char[MAX_PATH];
|
|
BOOST_REGEX_NOEH_ASSERT(_root)
|
|
_path = new char[MAX_PATH];
|
|
BOOST_REGEX_NOEH_ASSERT(_path)
|
|
re_detail::overflow_error_if_not_zero(re_detail::strcpy_s(_root, MAX_PATH, wild));
|
|
ptr = _root;
|
|
while(*ptr)++ptr;
|
|
while((ptr > _root) && (*ptr != *_fi_sep) && (*ptr != *_fi_sep_alt))--ptr;
|
|
|
|
if((ptr == _root) && ( (*ptr== *_fi_sep) || (*ptr==*_fi_sep_alt) ) )
|
|
{
|
|
_root[1]='\0';
|
|
re_detail::overflow_error_if_not_zero(re_detail::strcpy_s(_path, MAX_PATH, _root));
|
|
}
|
|
else
|
|
{
|
|
*ptr = 0;
|
|
re_detail::overflow_error_if_not_zero(re_detail::strcpy_s(_path, MAX_PATH, _root));
|
|
if(*_path == 0)
|
|
re_detail::overflow_error_if_not_zero(re_detail::strcpy_s(_path, MAX_PATH, "."));
|
|
re_detail::overflow_error_if_not_zero(re_detail::strcat_s(_path, MAX_PATH, _fi_sep));
|
|
}
|
|
ptr = _path + std::strlen(_path);
|
|
|
|
ref = new file_iterator_ref();
|
|
BOOST_REGEX_NOEH_ASSERT(ref)
|
|
ref->count = 1;
|
|
ref->hf = find_first_file(wild, ref->_data);
|
|
if(ref->hf == _fi_invalid_handle)
|
|
{
|
|
*_path = 0;
|
|
ptr = _path;
|
|
}
|
|
else
|
|
{
|
|
copy_find_file_result_with_overflow_check(ref->_data, ptr, MAX_PATH - (ptr - _path));
|
|
if(((ref->_data.dwFileAttributes & _fi_dir) == 0) || (std::strcmp(ptr, ".") == 0) || (std::strcmp(ptr, "..") == 0))
|
|
next();
|
|
}
|
|
#ifndef BOOST_NO_EXCEPTIONS
|
|
}
|
|
catch(...)
|
|
{
|
|
delete[] _root;
|
|
delete[] _path;
|
|
delete ref;
|
|
throw;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
directory_iterator::~directory_iterator()
|
|
{
|
|
delete[] _root;
|
|
delete[] _path;
|
|
if(--(ref->count) == 0)
|
|
{
|
|
if(ref->hf != _fi_invalid_handle)
|
|
FindClose(ref->hf);
|
|
delete ref;
|
|
}
|
|
}
|
|
|
|
directory_iterator::directory_iterator(const directory_iterator& other)
|
|
{
|
|
_root = _path = 0;
|
|
ref = 0;
|
|
#ifndef BOOST_NO_EXCEPTIONS
|
|
try{
|
|
#endif
|
|
_root = new char[MAX_PATH];
|
|
BOOST_REGEX_NOEH_ASSERT(_root)
|
|
_path = new char[MAX_PATH];
|
|
BOOST_REGEX_NOEH_ASSERT(_path)
|
|
re_detail::overflow_error_if_not_zero(re_detail::strcpy_s(_root, MAX_PATH, other._root));
|
|
re_detail::overflow_error_if_not_zero(re_detail::strcpy_s(_path, MAX_PATH, other._path));
|
|
ptr = _path + (other.ptr - other._path);
|
|
ref = other.ref;
|
|
#ifndef BOOST_NO_EXCEPTIONS
|
|
}
|
|
catch(...)
|
|
{
|
|
delete[] _root;
|
|
delete[] _path;
|
|
throw;
|
|
}
|
|
#endif
|
|
++(ref->count);
|
|
}
|
|
|
|
directory_iterator& directory_iterator::operator=(const directory_iterator& other)
|
|
{
|
|
re_detail::overflow_error_if_not_zero(re_detail::strcpy_s(_root, MAX_PATH, other._root));
|
|
re_detail::overflow_error_if_not_zero(re_detail::strcpy_s(_path, MAX_PATH, other._path));
|
|
ptr = _path + (other.ptr - other._path);
|
|
if(--(ref->count) == 0)
|
|
{
|
|
if(ref->hf != _fi_invalid_handle)
|
|
FindClose(ref->hf);
|
|
delete ref;
|
|
}
|
|
ref = other.ref;
|
|
++(ref->count);
|
|
return *this;
|
|
}
|
|
|
|
directory_iterator directory_iterator::operator++(int)
|
|
{
|
|
directory_iterator temp(*this);
|
|
next();
|
|
return temp;
|
|
}
|
|
|
|
void directory_iterator::next()
|
|
{
|
|
if(ref->hf != _fi_invalid_handle)
|
|
{
|
|
bool cont = true;
|
|
while(cont)
|
|
{
|
|
cont = find_next_file(ref->hf, ref->_data);
|
|
if(cont && (ref->_data.dwFileAttributes & _fi_dir))
|
|
{
|
|
if(is_not_current_or_parent_path_string(ref->_data))
|
|
break;
|
|
}
|
|
}
|
|
if(!cont)
|
|
{
|
|
// end of sequence
|
|
FindClose(ref->hf);
|
|
ref->hf = _fi_invalid_handle;
|
|
*_path = 0;
|
|
ptr = _path;
|
|
}
|
|
else
|
|
copy_find_file_result_with_overflow_check(ref->_data, ptr, MAX_PATH - (ptr - _path));
|
|
}
|
|
}
|
|
|
|
|
|
#ifdef BOOST_REGEX_FI_POSIX_DIR
|
|
|
|
struct _fi_priv_data
|
|
{
|
|
char root[MAX_PATH];
|
|
char* mask;
|
|
DIR* d;
|
|
_fi_priv_data(const char* p);
|
|
};
|
|
|
|
_fi_priv_data::_fi_priv_data(const char* p)
|
|
{
|
|
std::strcpy(root, p);
|
|
mask = root;
|
|
while(*mask) ++mask;
|
|
while((mask > root) && (*mask != *_fi_sep) && (*mask != *_fi_sep_alt)) --mask;
|
|
if(mask == root && ((*mask== *_fi_sep) || (*mask == *_fi_sep_alt)) )
|
|
{
|
|
root[1] = '\0';
|
|
std::strcpy(root+2, p+1);
|
|
mask = root+2;
|
|
}
|
|
else if(mask == root)
|
|
{
|
|
root[0] = '.';
|
|
root[1] = '\0';
|
|
std::strcpy(root+2, p);
|
|
mask = root+2;
|
|
}
|
|
else
|
|
{
|
|
*mask = 0;
|
|
++mask;
|
|
}
|
|
}
|
|
|
|
bool iswild(const char* mask, const char* name)
|
|
{
|
|
while(*mask && *name)
|
|
{
|
|
switch(*mask)
|
|
{
|
|
case '?':
|
|
++name;
|
|
++mask;
|
|
continue;
|
|
case '*':
|
|
++mask;
|
|
if(*mask == 0)
|
|
return true;
|
|
while(*name)
|
|
{
|
|
if(iswild(mask, name))
|
|
return true;
|
|
++name;
|
|
}
|
|
return false;
|
|
case '.':
|
|
if(0 == *name)
|
|
{
|
|
++mask;
|
|
continue;
|
|
}
|
|
// fall through:
|
|
default:
|
|
if(BOOST_REGEX_FI_TRANSLATE(*mask) != BOOST_REGEX_FI_TRANSLATE(*name))
|
|
return false;
|
|
++mask;
|
|
++name;
|
|
continue;
|
|
}
|
|
}
|
|
if(*mask != *name)
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
unsigned _fi_attributes(const char* root, const char* name)
|
|
{
|
|
char buf[MAX_PATH];
|
|
if( ( (root[0] == *_fi_sep) || (root[0] == *_fi_sep_alt) ) && (root[1] == '\0') )
|
|
(std::sprintf)(buf, "%s%s", root, name);
|
|
else
|
|
(std::sprintf)(buf, "%s%s%s", root, _fi_sep, name);
|
|
DIR* d = opendir(buf);
|
|
if(d)
|
|
{
|
|
closedir(d);
|
|
return _fi_dir;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
_fi_find_handle _fi_FindFirstFile(const char* lpFileName, _fi_find_data* lpFindFileData)
|
|
{
|
|
_fi_find_handle dat = new _fi_priv_data(lpFileName);
|
|
|
|
DIR* h = opendir(dat->root);
|
|
dat->d = h;
|
|
if(h != 0)
|
|
{
|
|
if(_fi_FindNextFile(dat, lpFindFileData))
|
|
return dat;
|
|
}
|
|
delete dat;
|
|
return 0;
|
|
}
|
|
|
|
bool _fi_FindNextFile(_fi_find_handle dat, _fi_find_data* lpFindFileData)
|
|
{
|
|
dirent* d;
|
|
do
|
|
{
|
|
d = readdir(dat->d);
|
|
} while(d && !iswild(dat->mask, d->d_name));
|
|
|
|
if(d)
|
|
{
|
|
std::strcpy(lpFindFileData->cFileName, d->d_name);
|
|
lpFindFileData->dwFileAttributes = _fi_attributes(dat->root, d->d_name);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool _fi_FindClose(_fi_find_handle dat)
|
|
{
|
|
closedir(dat->d);
|
|
delete dat;
|
|
return true;
|
|
}
|
|
|
|
#endif
|
|
|
|
} // namespace re_detail
|
|
} // namspace boost
|
|
|
|
#endif // BOOST_REGEX_NO_FILEITER
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|