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00012 #ifndef ZYPP_PATHNAME_H
00013 #define ZYPP_PATHNAME_H
00014
00015 #include <iosfwd>
00016 #include <string>
00017
00019 namespace zypp
00020 {
00021
00022 namespace filesystem
00023 {
00024
00026
00027
00028
00042 class Pathname
00043 {
00044 public:
00046 Pathname()
00047 : prfx_i( 0 )
00048 {}
00049
00051 Pathname( const std::string & name_tv )
00052 { _assign( name_tv ); }
00053
00055 Pathname( const char * name_tv )
00056 { _assign( name_tv ? name_tv : "" ); }
00057
00059 Pathname & operator=( const Pathname & path_tv )
00060 {
00061 prfx_i = path_tv.prfx_i;
00062 name_t = path_tv.name_t;
00063 return *this;
00064 }
00065
00067 Pathname & operator/=( const Pathname & path_tv )
00068 { return( *this = cat( *this, path_tv ) ); }
00069
00073 Pathname & operator+=( const Pathname & path_tv )
00074 { return( *this = cat( *this, path_tv ) ); }
00075
00077 const std::string & asString() const
00078 { return name_t; }
00079
00081 bool empty() const { return name_t.empty(); }
00083 bool absolute() const { return !empty() && name_t[prfx_i] == '/'; }
00085 bool relative() const { return !empty() && name_t[prfx_i] != '/'; }
00086
00088 Pathname dirname() const { return dirname( *this ); }
00089 static Pathname dirname( const Pathname & name_tv );
00090
00092 std::string basename() const { return basename( *this ); }
00093 static std::string basename( const Pathname & name_tv );
00094
00096 Pathname absolutename() const { return absolutename( *this ); }
00097 static Pathname absolutename( const Pathname & name_tv )
00098 { return name_tv.relative() ? cat( "/", name_tv ) : name_tv; }
00099
00101 Pathname relativename() const { return relativename( *this ); }
00102 static Pathname relativename( const Pathname & name_tv )
00103 { return name_tv.absolute() ? cat( ".", name_tv ) : name_tv; }
00104
00113 Pathname cat( const Pathname & r ) const { return cat( *this, r ); }
00114 static Pathname cat( const Pathname & l, const Pathname & r );
00115
00121 Pathname extend( const std::string & r ) const { return extend( *this, r ); }
00122 static Pathname extend( const Pathname & l, const std::string & r );
00123
00124 private:
00125 std::string::size_type prfx_i;
00126 std::string name_t;
00127
00128 void _assign( const std::string & name_tv );
00129 };
00131
00133 inline bool operator==( const Pathname & l, const Pathname & r )
00134 { return l.asString() == r.asString(); }
00135
00137 inline bool operator!=( const Pathname & l, const Pathname & r )
00138 { return l.asString() != r.asString(); }
00139
00141 inline Pathname operator/( const Pathname & l, const Pathname & r )
00142 { return Pathname::cat( l, r ); }
00143
00147 inline Pathname operator+( const Pathname & l, const Pathname & r )
00148 { return Pathname::cat( l, r ); }
00149
00151
00153 inline std::ostream & operator<<( std::ostream & str, const Pathname & obj )
00154 { return str << obj.asString(); }
00155
00157 }
00159
00161 using filesystem::Pathname;
00162
00164 }
00166 #endif // ZYPP_PATHNAME_H