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authorRemko Tronçon <git@el-tramo.be>2009-06-01 08:48:42 (GMT)
committerRemko Tronçon <git@el-tramo.be>2009-06-01 09:24:28 (GMT)
commit2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch)
treed46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/boost/regex/v4/fileiter.hpp
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+/*
+ *
+ * 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.hpp
+ * VERSION see <boost/version.hpp>
+ * DESCRIPTION: Declares various platform independent file and
+ * directory iterators, plus binary file input in
+ * the form of class map_file.
+ */
+
+#ifndef BOOST_RE_FILEITER_HPP_INCLUDED
+#define BOOST_RE_FILEITER_HPP_INCLUDED
+
+#ifndef BOOST_REGEX_CONFIG_HPP
+#include <boost/regex/config.hpp>
+#endif
+#include <boost/assert.hpp>
+
+#ifndef BOOST_REGEX_NO_FILEITER
+
+#if (defined(__CYGWIN__) || defined(__CYGWIN32__)) && !defined(BOOST_REGEX_NO_W32)
+#error "Sorry, can't mix <windows.h> with STL code and gcc compiler: if you ran configure, try again with configure --disable-ms-windows"
+#define BOOST_REGEX_FI_WIN32_MAP
+#define BOOST_REGEX_FI_POSIX_DIR
+#elif (defined(__WIN32__) || defined(_WIN32) || defined(WIN32)) && !defined(BOOST_REGEX_NO_W32)
+#define BOOST_REGEX_FI_WIN32_MAP
+#define BOOST_REGEX_FI_WIN32_DIR
+#else
+#define BOOST_REGEX_FI_POSIX_MAP
+#define BOOST_REGEX_FI_POSIX_DIR
+#endif
+
+#if defined(BOOST_REGEX_FI_WIN32_MAP)||defined(BOOST_REGEX_FI_WIN32_DIR)
+#include <windows.h>
+#endif
+
+#if defined(BOOST_REGEX_FI_WIN32_DIR)
+
+#include <cstddef>
+
+namespace boost{
+ namespace re_detail{
+
+#ifndef BOOST_NO_ANSI_APIS
+typedef WIN32_FIND_DATAA _fi_find_data;
+#else
+typedef WIN32_FIND_DATAW _fi_find_data;
+#endif
+typedef HANDLE _fi_find_handle;
+
+ } // namespace re_detail
+
+} // namespace boost
+
+#define _fi_invalid_handle INVALID_HANDLE_VALUE
+#define _fi_dir FILE_ATTRIBUTE_DIRECTORY
+
+#elif defined(BOOST_REGEX_FI_POSIX_DIR)
+
+#include <cstddef>
+#include <cstdio>
+#include <cctype>
+#include <iterator>
+#include <list>
+#include <cassert>
+#include <dirent.h>
+
+#if defined(__SUNPRO_CC)
+using std::list;
+#endif
+
+#ifndef MAX_PATH
+#define MAX_PATH 256
+#endif
+
+namespace boost{
+ namespace re_detail{
+
+#ifdef BOOST_HAS_ABI_HEADERS
+# include BOOST_ABI_PREFIX
+#endif
+
+struct _fi_find_data
+{
+ unsigned dwFileAttributes;
+ char cFileName[MAX_PATH];
+};
+
+struct _fi_priv_data;
+
+typedef _fi_priv_data* _fi_find_handle;
+#define _fi_invalid_handle 0
+#define _fi_dir 1
+
+_fi_find_handle _fi_FindFirstFile(const char* lpFileName, _fi_find_data* lpFindFileData);
+bool _fi_FindNextFile(_fi_find_handle hFindFile, _fi_find_data* lpFindFileData);
+bool _fi_FindClose(_fi_find_handle hFindFile);
+
+#ifdef BOOST_HAS_ABI_HEADERS
+# include BOOST_ABI_SUFFIX
+#endif
+
+ } // namespace re_detail
+} // namespace boost
+
+#ifdef FindFirstFile
+ #undef FindFirstFile
+#endif
+#ifdef FindNextFile
+ #undef FindNextFile
+#endif
+#ifdef FindClose
+ #undef FindClose
+#endif
+
+#define FindFirstFileA _fi_FindFirstFile
+#define FindNextFileA _fi_FindNextFile
+#define FindClose _fi_FindClose
+
+#endif
+
+namespace boost{
+ namespace re_detail{
+
+#ifdef BOOST_HAS_ABI_HEADERS
+# include BOOST_ABI_PREFIX
+#endif
+
+#ifdef BOOST_REGEX_FI_WIN32_MAP // win32 mapfile
+
+class BOOST_REGEX_DECL mapfile
+{
+ HANDLE hfile;
+ HANDLE hmap;
+ const char* _first;
+ const char* _last;
+public:
+
+ typedef const char* iterator;
+
+ mapfile(){ hfile = hmap = 0; _first = _last = 0; }
+ mapfile(const char* file){ hfile = hmap = 0; _first = _last = 0; open(file); }
+ ~mapfile(){ close(); }
+ void open(const char* file);
+ void close();
+ const char* begin(){ return _first; }
+ const char* end(){ return _last; }
+ size_t size(){ return _last - _first; }
+ bool valid(){ return (hfile != 0) && (hfile != INVALID_HANDLE_VALUE); }
+};
+
+
+#else
+
+class BOOST_REGEX_DECL mapfile_iterator;
+
+class BOOST_REGEX_DECL mapfile
+{
+ typedef char* pointer;
+ std::FILE* hfile;
+ long int _size;
+ pointer* _first;
+ pointer* _last;
+ mutable std::list<pointer*> condemed;
+ enum sizes
+ {
+ buf_size = 4096
+ };
+ void lock(pointer* node)const;
+ void unlock(pointer* node)const;
+public:
+
+ typedef mapfile_iterator iterator;
+
+ mapfile(){ hfile = 0; _size = 0; _first = _last = 0; }
+ mapfile(const char* file){ hfile = 0; _size = 0; _first = _last = 0; open(file); }
+ ~mapfile(){ close(); }
+ void open(const char* file);
+ void close();
+ iterator begin()const;
+ iterator end()const;
+ unsigned long size()const{ return _size; }
+ bool valid()const{ return hfile != 0; }
+ friend class mapfile_iterator;
+};
+
+class BOOST_REGEX_DECL mapfile_iterator
+#if !defined(BOOST_NO_STD_ITERATOR) || defined(BOOST_MSVC_STD_ITERATOR)
+: public std::iterator<std::random_access_iterator_tag, char>
+#endif
+{
+ typedef mapfile::pointer internal_pointer;
+ internal_pointer* node;
+ const mapfile* file;
+ unsigned long offset;
+ long position()const
+ {
+ return file ? ((node - file->_first) * mapfile::buf_size + offset) : 0;
+ }
+ void position(long pos)
+ {
+ if(file)
+ {
+ node = file->_first + (pos / mapfile::buf_size);
+ offset = pos % mapfile::buf_size;
+ }
+ }
+public:
+ typedef std::ptrdiff_t difference_type;
+ typedef char value_type;
+ typedef const char* pointer;
+ typedef const char& reference;
+ typedef std::random_access_iterator_tag iterator_category;
+
+ mapfile_iterator() { node = 0; file = 0; offset = 0; }
+ mapfile_iterator(const mapfile* f, long arg_position)
+ {
+ file = f;
+ node = f->_first + arg_position / mapfile::buf_size;
+ offset = arg_position % mapfile::buf_size;
+ if(file)
+ file->lock(node);
+ }
+ mapfile_iterator(const mapfile_iterator& i)
+ {
+ file = i.file;
+ node = i.node;
+ offset = i.offset;
+ if(file)
+ file->lock(node);
+ }
+ ~mapfile_iterator()
+ {
+ if(file && node)
+ file->unlock(node);
+ }
+ mapfile_iterator& operator = (const mapfile_iterator& i);
+ char operator* ()const
+ {
+ BOOST_ASSERT(node >= file->_first);
+ BOOST_ASSERT(node < file->_last);
+ return file ? *(*node + sizeof(int) + offset) : char(0);
+ }
+ char operator[] (long off)const
+ {
+ mapfile_iterator tmp(*this);
+ tmp += off;
+ return *tmp;
+ }
+ mapfile_iterator& operator++ ();
+ mapfile_iterator operator++ (int);
+ mapfile_iterator& operator-- ();
+ mapfile_iterator operator-- (int);
+
+ mapfile_iterator& operator += (long off)
+ {
+ position(position() + off);
+ return *this;
+ }
+ mapfile_iterator& operator -= (long off)
+ {
+ position(position() - off);
+ return *this;
+ }
+
+ friend inline bool operator==(const mapfile_iterator& i, const mapfile_iterator& j)
+ {
+ return (i.file == j.file) && (i.node == j.node) && (i.offset == j.offset);
+ }
+
+ friend inline bool operator!=(const mapfile_iterator& i, const mapfile_iterator& j)
+ {
+ return !(i == j);
+ }
+
+ friend inline bool operator<(const mapfile_iterator& i, const mapfile_iterator& j)
+ {
+ return i.position() < j.position();
+ }
+ friend inline bool operator>(const mapfile_iterator& i, const mapfile_iterator& j)
+ {
+ return i.position() > j.position();
+ }
+ friend inline bool operator<=(const mapfile_iterator& i, const mapfile_iterator& j)
+ {
+ return i.position() <= j.position();
+ }
+ friend inline bool operator>=(const mapfile_iterator& i, const mapfile_iterator& j)
+ {
+ return i.position() >= j.position();
+ }
+
+ friend mapfile_iterator operator + (const mapfile_iterator& i, long off);
+ friend mapfile_iterator operator + (long off, const mapfile_iterator& i)
+ {
+ mapfile_iterator tmp(i);
+ return tmp += off;
+ }
+ friend mapfile_iterator operator - (const mapfile_iterator& i, long off);
+ friend inline long operator - (const mapfile_iterator& i, const mapfile_iterator& j)
+ {
+ return i.position() - j.position();
+ }
+};
+
+#endif
+
+// _fi_sep determines the directory separator, either '\\' or '/'
+BOOST_REGEX_DECL extern const char* _fi_sep;
+
+struct file_iterator_ref
+{
+ _fi_find_handle hf;
+ _fi_find_data _data;
+ long count;
+};
+
+
+class BOOST_REGEX_DECL file_iterator
+{
+ char* _root;
+ char* _path;
+ char* ptr;
+ file_iterator_ref* ref;
+
+public:
+ typedef std::ptrdiff_t difference_type;
+ typedef const char* value_type;
+ typedef const char** pointer;
+ typedef const char*& reference;
+ typedef std::input_iterator_tag iterator_category;
+
+ file_iterator();
+ file_iterator(const char* wild);
+ ~file_iterator();
+ file_iterator(const file_iterator&);
+ file_iterator& operator=(const file_iterator&);
+ const char* root()const { return _root; }
+ const char* path()const { return _path; }
+ const char* name()const { return ptr; }
+ _fi_find_data* data() { return &(ref->_data); }
+ void next();
+ file_iterator& operator++() { next(); return *this; }
+ file_iterator operator++(int);
+ const char* operator*() { return path(); }
+
+ friend inline bool operator == (const file_iterator& f1, const file_iterator& f2)
+ {
+ return ((f1.ref->hf == _fi_invalid_handle) && (f2.ref->hf == _fi_invalid_handle));
+ }
+
+ friend inline bool operator != (const file_iterator& f1, const file_iterator& f2)
+ {
+ return !(f1 == f2);
+ }
+
+};
+
+// dwa 9/13/00 - suppress unused parameter warning
+inline bool operator < (const file_iterator&, const file_iterator&)
+{
+ return false;
+}
+
+
+class BOOST_REGEX_DECL directory_iterator
+{
+ char* _root;
+ char* _path;
+ char* ptr;
+ file_iterator_ref* ref;
+
+public:
+ typedef std::ptrdiff_t difference_type;
+ typedef const char* value_type;
+ typedef const char** pointer;
+ typedef const char*& reference;
+ typedef std::input_iterator_tag iterator_category;
+
+ directory_iterator();
+ directory_iterator(const char* wild);
+ ~directory_iterator();
+ directory_iterator(const directory_iterator& other);
+ directory_iterator& operator=(const directory_iterator& other);
+
+ const char* root()const { return _root; }
+ const char* path()const { return _path; }
+ const char* name()const { return ptr; }
+ _fi_find_data* data() { return &(ref->_data); }
+ void next();
+ directory_iterator& operator++() { next(); return *this; }
+ directory_iterator operator++(int);
+ const char* operator*() { return path(); }
+
+ static const char* separator() { return _fi_sep; }
+
+ friend inline bool operator == (const directory_iterator& f1, const directory_iterator& f2)
+ {
+ return ((f1.ref->hf == _fi_invalid_handle) && (f2.ref->hf == _fi_invalid_handle));
+ }
+
+
+ friend inline bool operator != (const directory_iterator& f1, const directory_iterator& f2)
+ {
+ return !(f1 == f2);
+ }
+
+ };
+
+inline bool operator < (const directory_iterator&, const directory_iterator&)
+{
+ return false;
+}
+
+#ifdef BOOST_HAS_ABI_HEADERS
+# include BOOST_ABI_SUFFIX
+#endif
+
+
+} // namespace re_detail
+using boost::re_detail::directory_iterator;
+using boost::re_detail::file_iterator;
+using boost::re_detail::mapfile;
+} // namespace boost
+
+#endif // BOOST_REGEX_NO_FILEITER
+#endif // BOOST_RE_FILEITER_HPP
+
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