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00012 #ifndef ZYPP_PATHINFO_H
00013 #define ZYPP_PATHINFO_H
00014
00015 extern "C"
00016 {
00017 #include <sys/types.h>
00018 #include <sys/stat.h>
00019 #include <fcntl.h>
00020 #include <unistd.h>
00021 #include <dirent.h>
00022 }
00023
00024 #include <cerrno>
00025 #include <iosfwd>
00026 #include <list>
00027 #include <set>
00028 #include <map>
00029
00030 #include "zypp/Pathname.h"
00031
00033 namespace zypp
00034 {
00035
00037
00044 namespace filesystem
00045 {
00046
00048
00051 enum FileType
00052 {
00053 FT_NOT_AVAIL = 0x00,
00054 FT_NOT_EXIST = 0x01,
00055 FT_FILE = 0x02,
00056 FT_DIR = 0x04,
00057 FT_CHARDEV = 0x08,
00058 FT_BLOCKDEV = 0x10,
00059 FT_FIFO = 0x20,
00060 FT_LINK = 0x40,
00061 FT_SOCKET = 0x80
00062 };
00064
00066 extern std::ostream & operator<<( std::ostream & str, FileType obj );
00067
00069
00071
00072
00076 class StatMode
00077 {
00078 friend std::ostream & operator<<( std::ostream & str, const StatMode & obj );
00079
00080 public:
00082 StatMode( const mode_t & mode_r = 0 )
00083 : _mode( mode_r )
00084 {}
00085
00086 public:
00087
00090 FileType fileType() const;
00091
00092 bool isFile() const { return S_ISREG( _mode ); }
00093 bool isDir () const { return S_ISDIR( _mode ); }
00094 bool isLink() const { return S_ISLNK( _mode ); }
00095 bool isChr() const { return S_ISCHR( _mode ); }
00096 bool isBlk() const { return S_ISBLK( _mode ); }
00097 bool isFifo() const { return S_ISFIFO( _mode ); }
00098 bool isSock() const { return S_ISSOCK( _mode ); }
00100
00103 bool isRUsr() const { return (_mode & S_IRUSR); }
00104 bool isWUsr() const { return (_mode & S_IWUSR); }
00105 bool isXUsr() const { return (_mode & S_IXUSR); }
00106
00108 bool isR() const { return isRUsr(); }
00110 bool isW() const { return isWUsr(); }
00112 bool isX() const { return isXUsr(); }
00114
00117 bool isRGrp() const { return (_mode & S_IRGRP); }
00118 bool isWGrp() const { return (_mode & S_IWGRP); }
00119 bool isXGrp() const { return (_mode & S_IXGRP); }
00121
00124 bool isROth() const { return (_mode & S_IROTH); }
00125 bool isWOth() const { return (_mode & S_IWOTH); }
00126 bool isXOth() const { return (_mode & S_IXOTH); }
00128
00132 bool isUid() const { return (_mode & S_ISUID); }
00134 bool isGid() const { return (_mode & S_ISGID); }
00136 bool isVtx() const { return (_mode & S_ISVTX); }
00138
00142 bool isPerm ( mode_t m ) const { return (m == perm()); }
00144 bool hasPerm( mode_t m ) const { return (m == (m & perm())); }
00146
00149 mode_t uperm() const { return (_mode & S_IRWXU); }
00150 mode_t gperm() const { return (_mode & S_IRWXG); }
00151 mode_t operm() const { return (_mode & S_IRWXO); }
00152 mode_t perm() const { return (_mode & (S_IRWXU|S_IRWXG|S_IRWXO|S_ISUID|S_ISGID|S_ISVTX)); }
00154
00156 mode_t st_mode() const { return _mode; }
00157
00158 private:
00159 mode_t _mode;
00160 };
00162
00164 extern std::ostream & operator<<( std::ostream & str, const StatMode & obj );
00165
00167
00169
00170
00183 class DevInoCache
00184 {
00185 public:
00187 DevInoCache() {}
00188
00190 void clear() { _devino.clear(); }
00191
00197 bool insert( const dev_t & dev_r, const ino_t & ino_r ) {
00198 return _devino[dev_r].insert( ino_r ).second;
00199 }
00200
00201 private:
00202 std::map<dev_t,std::set<ino_t> > _devino;
00203 };
00205
00207
00208
00216 class PathInfo
00217 {
00218 friend std::ostream & operator<<( std::ostream & str, const PathInfo & obj );
00219
00220 public:
00222 enum Mode { STAT, LSTAT };
00223
00224 public:
00229 PathInfo();
00230 explicit
00231 PathInfo( const Pathname & path, Mode initial = STAT );
00232 explicit
00233 PathInfo( const std::string & path, Mode initial = STAT );
00234 explicit
00235 PathInfo( const char * path, Mode initial = STAT );
00237
00239 ~PathInfo();
00240
00242 const Pathname & path() const { return path_t; }
00244 const std::string & asString() const { return path_t.asString(); }
00246 Mode mode() const { return mode_e; }
00248 int error() const { return error_i; }
00249
00251 void setPath( const Pathname & path ) { if ( path != path_t ) error_i = -1; path_t = path; }
00253 void setMode( Mode mode ) { if ( mode != mode_e ) error_i = -1; mode_e = mode; }
00254
00256 bool stat ( const Pathname & path ) { setPath( path ); setMode( STAT ); return operator()(); }
00258 bool lstat ( const Pathname & path ) { setPath( path ); setMode( LSTAT ); return operator()(); }
00260 bool operator()( const Pathname & path ) { setPath( path ); return operator()(); }
00261
00263 bool stat() { setMode( STAT ); return operator()(); }
00265 bool lstat() { setMode( LSTAT ); return operator()(); }
00267 bool operator()();
00268
00269 public:
00270
00275 bool isExist() const { return !error_i; }
00276
00281 FileType fileType() const;
00282
00283 bool isFile() const { return isExist() && S_ISREG( statbuf_C.st_mode ); }
00284 bool isDir () const { return isExist() && S_ISDIR( statbuf_C.st_mode ); }
00285 bool isLink() const { return isExist() && S_ISLNK( statbuf_C.st_mode ); }
00286 bool isChr() const { return isExist() && S_ISCHR( statbuf_C.st_mode ); }
00287 bool isBlk() const { return isExist() && S_ISBLK( statbuf_C.st_mode ); }
00288 bool isFifo() const { return isExist() && S_ISFIFO( statbuf_C.st_mode ); }
00289 bool isSock() const { return isExist() && S_ISSOCK( statbuf_C.st_mode ); }
00290
00291
00292 bool isRUsr() const { return isExist() && (statbuf_C.st_mode & S_IRUSR); }
00293 bool isWUsr() const { return isExist() && (statbuf_C.st_mode & S_IWUSR); }
00294 bool isXUsr() const { return isExist() && (statbuf_C.st_mode & S_IXUSR); }
00295
00296 bool isR() const { return isRUsr(); }
00297 bool isW() const { return isWUsr(); }
00298 bool isX() const { return isXUsr(); }
00299
00300 bool isRGrp() const { return isExist() && (statbuf_C.st_mode & S_IRGRP); }
00301 bool isWGrp() const { return isExist() && (statbuf_C.st_mode & S_IWGRP); }
00302 bool isXGrp() const { return isExist() && (statbuf_C.st_mode & S_IXGRP); }
00303
00304 bool isROth() const { return isExist() && (statbuf_C.st_mode & S_IROTH); }
00305 bool isWOth() const { return isExist() && (statbuf_C.st_mode & S_IWOTH); }
00306 bool isXOth() const { return isExist() && (statbuf_C.st_mode & S_IXOTH); }
00307
00308 bool isUid() const { return isExist() && (statbuf_C.st_mode & S_ISUID); }
00309 bool isGid() const { return isExist() && (statbuf_C.st_mode & S_ISGID); }
00310 bool isVtx() const { return isExist() && (statbuf_C.st_mode & S_ISVTX); }
00311
00312 bool isPerm ( mode_t m ) const { return isExist() && (m == perm()); }
00313 bool hasPerm( mode_t m ) const { return isExist() && (m == (m & perm())); }
00314
00315 mode_t uperm() const { return isExist() ? (statbuf_C.st_mode & S_IRWXU) : 0; }
00316 mode_t gperm() const { return isExist() ? (statbuf_C.st_mode & S_IRWXG) : 0; }
00317 mode_t operm() const { return isExist() ? (statbuf_C.st_mode & S_IRWXO) : 0; }
00318 mode_t perm() const { return isExist() ? (statbuf_C.st_mode & (S_IRWXU|S_IRWXG|S_IRWXO|S_ISUID|S_ISGID|S_ISVTX)) : 0; }
00319
00320 mode_t st_mode() const { return isExist() ? statbuf_C.st_mode : 0; }
00322
00324 StatMode asStatMode() const { return st_mode(); }
00325
00326 nlink_t nlink() const { return isExist() ? statbuf_C.st_nlink : 0; }
00327
00330 uid_t owner() const { return isExist() ? statbuf_C.st_uid : 0; }
00331 gid_t group() const { return isExist() ? statbuf_C.st_gid : 0; }
00333
00337 mode_t userMay() const;
00338
00339 bool userMayR() const { return( userMay() & 04 ); }
00340 bool userMayW() const { return( userMay() & 02 ); }
00341 bool userMayX() const { return( userMay() & 01 ); }
00342
00343 bool userMayRW() const { return( (userMay() & 06) == 06 ); }
00344 bool userMayRX() const { return( (userMay() & 05) == 05 ); }
00345 bool userMayWX() const { return( (userMay() & 03) == 03 ); }
00346
00347 bool userMayRWX() const { return( userMay() == 07 ); }
00349
00352 ino_t ino() const { return isExist() ? statbuf_C.st_ino : 0; }
00353 dev_t dev() const { return isExist() ? statbuf_C.st_dev : 0; }
00354 dev_t rdev() const { return isExist() ? statbuf_C.st_rdev : 0; }
00355
00356 unsigned int major() const;
00357 unsigned int minor() const;
00359
00362 off_t size() const { return isExist() ? statbuf_C.st_size : 0; }
00363 unsigned long blksize() const { return isExist() ? statbuf_C.st_blksize : 0; }
00364 unsigned long blocks() const { return isExist() ? statbuf_C.st_blocks : 0; }
00366
00369 time_t atime() const { return isExist() ? statbuf_C.st_atime : 0; }
00370 time_t mtime() const { return isExist() ? statbuf_C.st_mtime : 0; }
00371 time_t ctime() const { return isExist() ? statbuf_C.st_ctime : 0; }
00373
00374 private:
00375 Pathname path_t;
00376 struct stat statbuf_C;
00377 Mode mode_e;
00378 int error_i;
00379 };
00381
00383 extern std::ostream & operator<<( std::ostream & str, const PathInfo & obj );
00384
00386
00388
00397 int mkdir( const Pathname & path, unsigned mode = 0755 );
00398
00406 int assert_dir( const Pathname & path, unsigned mode = 0755 );
00407
00413 int rmdir( const Pathname & path );
00414
00421 int recursive_rmdir( const Pathname & path );
00422
00429 int clean_dir( const Pathname & path );
00430
00438 int copy_dir( const Pathname & srcpath, const Pathname & destpath );
00439
00448 int copy_dir_content( const Pathname & srcpath, const Pathname & destpath);
00449
00462 int readdir( std::list<std::string> & retlist,
00463 const Pathname & path, bool dots = true );
00464
00477 int readdir( std::list<Pathname> & retlist,
00478 const Pathname & path, bool dots = true );
00479
00481 struct DirEntry {
00482 std::string name;
00483 FileType type;
00484 DirEntry( const std::string & name_r = std::string(), FileType type_r = FT_NOT_AVAIL )
00485 : name( name_r )
00486 , type( type_r )
00487 {}
00488 };
00489
00491 typedef std::list<DirEntry> DirContent;
00492
00503 int readdir( DirContent & retlist, const Pathname & path,
00504 bool dots = true, PathInfo::Mode statmode = PathInfo::STAT );
00505
00506
00512 int is_empty_dir(const Pathname & path);
00513
00515
00517
00524 int unlink( const Pathname & path );
00525
00531 int rename( const Pathname & oldpath, const Pathname & newpath );
00532
00539 int copy( const Pathname & file, const Pathname & dest );
00540
00547 int symlink( const Pathname & oldpath, const Pathname & newpath );
00548
00555 int hardlink( const Pathname & oldpath, const Pathname & newpath );
00556
00563 int copy_file2dir( const Pathname & file, const Pathname & dest );
00565
00567
00576 std::string md5sum( const Pathname & file );
00577
00583 std::string sha1sum( const Pathname & file );
00585
00587
00594 int chmod( const Pathname & path, mode_t mode );
00596
00598
00605 enum ZIP_TYPE { ZT_NONE, ZT_GZ, ZT_BZ2 };
00606
00607 ZIP_TYPE zipType( const Pathname & file );
00608
00616 int erase( const Pathname & path );
00618
00620 }
00622
00624 using filesystem::PathInfo;
00625
00627 }
00629 #endif // ZYPP_PATHINFO_H