NAME

       zipios::FileCollection

SYNOPSIS

       #include <fcoll.h>

       Inherited by zipios::CollectionCollection, zipios::DirectoryCollection, and
       zipios::ZipFile.

   Public Types
       enum MatchPath { IGNORE, MATCH }

   Public Member Functions
       FileCollection ()
           FileCollection constructor.
       FileCollection (const FileCollection &src)
           Copy constructor.
       const FileCollection & operator= (const FileCollection &src)
           Copy assignment operator.
       virtual void close ()=0
           Closes the FileCollection.
       virtual ConstEntries entries () const
       virtual ConstEntryPointer getEntry (const string &name, MatchPath matchpath=MATCH) const
       virtual istream * getInputStream (const ConstEntryPointer &entry)=0
       virtual istream * getInputStream (const string &entry_name, MatchPath matchpath=MATCH)=0
           Returns a pointer to an opened istream for the specified entry name.
       virtual string getName () const
           Returns the name of the FileCollection.
       virtual int size () const
           Returns the number of entries in the FileCollection.
       bool isValid () const
           The member function returns true if the collection is valid.
       virtual FileCollection * clone () const =0
           Create a heap allocated clone of the object this method is called for.
       virtual ~FileCollection ()
           FileCollection destructor.

   Protected Attributes
       string _filename
       Entries _entries
       bool _valid

Detailed Description

       FileCollection is an abstract baseclass that represents a collection of files. The
       specializations of FileCollection represents different origins of file collections, such
       as directories, simple filename lists and compressed archives.

       Definition at line 21 of file fcoll.h.

Constructor & Destructor Documentation

   zipios::FileCollection::FileCollection () [inline],  [explicit]
       FileCollection constructor.

       Definition at line 24 of file fcoll.h.

   zipios::FileCollection::FileCollection (const FileCollection & src) [inline]
       Copy constructor.

       Definition at line 115 of file fcoll.h.

   zipios::FileCollection::~FileCollection () [virtual]
       FileCollection destructor.

       Definition at line 63 of file fcoll.cpp.

Member Function Documentation

   virtual FileCollection* zipios::FileCollection::clone () const [pure virtual]
       Create a heap allocated clone of the object this method is called for. The caller is
       responsible for deallocating the clone when he is done with it.

       Returns
           A heap allocated copy of the object this method is called for.

       Implemented in zipios::CollectionCollection, zipios::ZipFile, and
       zipios::DirectoryCollection.

   virtual void zipios::FileCollection::close () [pure virtual]
       Closes the FileCollection.

       Implemented in zipios::CollectionCollection, zipios::ZipFile, and
       zipios::DirectoryCollection.

   ConstEntries zipios::FileCollection::entries () const [virtual]
       Returns a vector of const pointers to the entries in the FileCollection.

       Returns
           a ConstEntries containing the entries of the FileCollection.

       Exceptions
           InvalidStateException Thrown if the collection is invalid.

       Reimplemented in zipios::CollectionCollection, and zipios::DirectoryCollection.

       Definition at line 17 of file fcoll.cpp.

   ConstEntryPointer zipios::FileCollection::getEntry (const string & name, MatchPath matchpath =
       MATCH) const [virtual]
       Returns a ConstEntryPointer to a FileEntry object for the entry with the specified name.
       To ignore the path part of the filename in search of a match, specify
       FileCollection::IGNORE as the second argument.

       Parameters
           name A string containing the name of the entry to get.
           matchpath Speficy MATCH, if the path should match as well, specify IGNORE, if the path
           should be ignored.

       Returns
           A ConstEntryPointer to the found entry. The returned pointer equals zero if no entry
           is found.

       Exceptions
           InvalidStateException Thrown if the collection is invalid.

       Reimplemented in zipios::CollectionCollection, and zipios::DirectoryCollection.

       Definition at line 34 of file fcoll.cpp.

   virtual istream* zipios::FileCollection::getInputStream (const ConstEntryPointer & entry)
       [pure virtual]
       Returns a pointer to an opened istream for the specified FileEntry. It is the callers
       responsibility to delete the stream when he is done with it. Returns 0, if there is no
       such FileEntry in the FileCollection.

       Parameters
           entry A ConstEntryPointer to the FileEntry to get an istream to.

       Returns
           an open istream for the specified entry. The istream is allocated on heap and it is
           the users responsibility to delete it when he is done with it.

       Exceptions
           InvalidStateException Thrown if the collection is invalid.

       Implemented in zipios::CollectionCollection, zipios::ZipFile, and
       zipios::DirectoryCollection.

   virtual istream* zipios::FileCollection::getInputStream (const string & entry_name, MatchPath
       matchpath = MATCH) [pure virtual]
       Returns a pointer to an opened istream for the specified entry name. It is the callers
       responsibility to delete the stream when he is done with it. Returns 0, if there is no
       entry with the specified name in the FileCollection.

       Parameters
           matchpath Speficy MATCH, if the path should match as well, specify IGNORE, if the path
           should be ignored.

       Returns
           an open istream for the specified entry. The istream is allocated on heap and it is
           the users responsibility to delete it when he is done with it.

       Exceptions
           InvalidStateException Thrown if the collection is invalid.

       Implemented in zipios::CollectionCollection, zipios::ZipFile, and
       zipios::DirectoryCollection.

   string zipios::FileCollection::getName () const [virtual]
       Returns the name of the FileCollection.

       Returns
           the name of the FileCollection.

       Exceptions
           InvalidStateException Thrown if the collection is invalid.

       Definition at line 50 of file fcoll.cpp.

   bool zipios::FileCollection::isValid () const [inline]
       The member function returns true if the collection is valid.

       Returns
           true if the collection is valid.

       Definition at line 93 of file fcoll.h.

   const FileCollection & zipios::FileCollection::operator= (const FileCollection & src) [inline]
       Copy assignment operator.

       Definition at line 125 of file fcoll.h.

   int zipios::FileCollection::size () const [virtual]
       Returns the number of entries in the FileCollection.

       Returns
           the number of entries in the FileCollection.

       Exceptions
           InvalidStateException Thrown if the collection is invalid.

       Reimplemented in zipios::CollectionCollection, and zipios::DirectoryCollection.

       Definition at line 57 of file fcoll.cpp.

Author

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