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                Redland RDF Application Framework - To Do list

   Bugs should be reported at the [1]Redland Issue Tracker.

Bugs, Features, Requests For Enhancement

   In no real order. Help wanted.
     * 'triples' query language implementation seems to have rotted as of
       1.0.0
     * Docs: hard to find/know of raptor parser and serializer features
     * RFE: model class method to load into model with context
     * RFE: model class method to a remove/load into model for some
       context
     * Docs: it was hard to find the legal (parser) feature URIs in the
       documentation, or what values to use.
     * Documentation: describe the redland features available per class
     * Update the RDF/RDFS terms/labels for the latest RDF Schema
       revision
     * In-memory storage uses more memory than needed
     * Defensive code - check object types are correct by adding magic
       fields to start of all objects
     * Consider an AVL-tree in-memory store ([2]libavl)
     * Docs: note that compiling redland may also build raptor and
       rasqal, if they are needed
     * Document the storage constructor hash options under the main class
     * RFE: make add_statement method on model take URIs
     * Add arcs_in/arcs_out model methods
     * Add container class for manipulating RDF containers - Seq, Bag,
       Alt, ...
     * If LGPL/Apache license, include compatible code OR add separate
       package?
     * Write a C++ interface
     * Provide any necessary support for RDF Schema (fast rdf:type
       lookups)
     * Write some better example code
     * Write a quickstart / howto document
     * Maybe generate part of librdf.h automatically to make a 1-header
       file system.
     * Fix the URI hash mechanism - currently stores URI/pointer pairs in
       hash - wrong
     * The library does not do file locking on e.g. DB files
     * For IRIX (and others?), try also linking with -lpthreads when
       testing for working Berkeley DB
     * String encoding - needs iconv posix function and/or Unicode
       library. Some utility functions have been written for UTF-8
       to/from ISO Latin-1.

   (Excluding issues near FIXMEs in the source)

Done

   The most recent changes are at the top, with the first release version
   where appropriate.
     * Initialise the default genid base in librdf_new_world with
       something more fine-grained than seconds. Add some microseconds
       digits (1.0.3)
     * RFE: consider how to add parser guessing (via raptor) into the
       redland parser API - use the 'guess' parser name (1.0.3)
     * RFE: add user mappings from URIs to namespace aliases to the
       serializer (Raptor 1.4.7)
     * RFE: The parser should be able to adjust error and warning
       actions, stopping immediately or ignoring them by features.
       Document the defaults. (1.0.2)
     * Add #ifdef WIN32 around parts including the config file and create
       a win32 build (1.0.1 - third party)
     * RFE: Add node.as_sha1 easy digest methods for literal nodes
       (1.0.1)
     * RFE: return serialized models to syntax as strings (1.0.0)
     * Removed the useless parser error/warning callbacks with a proper
       logging API that can be accessed by the application to and dealt
       with as desired. (0.9.17)
     * Allow raptor parser features (raptor_set_feature) to be set via
       librdf_parser_set_feature (0.9.17)
     * rdf_uri.h and rdf_node.h exported functions returning rdf_digest*
       which is a private structure, now made internal (0.9.16)
     * Added some defensive code checks for NULL object parameters and
       abort when debugging (0.9.15)
     * The serializer code crashed in PHP (0.9.15)
     * raptor-uri-test in redland when compiled against system raptor
       failed to find raptor.h; fixed in raptor 1.1.0.
     * Added librdf_model_get_storage method so storage object needn't be
       kept around when dealing with model (0.9.15).
     * Fixed serializing URI http://xmlns.com/foaf/0.1/mbox_sha1 to a
       property element to breaks the namespace/URI after 'sha1' as the
       maximal legal XML name (0.9.15)
     * Altered rdfproc to by default append to stores on parsing (0.9.15)
     * Docs: note in language docs that 'make install' of the main
       library is generally needed before any of the language builds will
       work (0.9.15)
     * BUG: Blank nodes with illegal nodeIDs (as far as RDF/XML are
       concerned) can be serialized. Fixed by the change below; all
       internal nodeIDs are now serializable in RDF/XML or N-Triples
       (0.9.14)
     * Rewrite incoming rdf:nodeID attribute values into same form as
       generated blank node IDs, ie.
       rredland-start-timerunique-sequence-counter (0.9.14)
     * example2.c is rather useless, replaced with a simple string
       parsing example (0.9.13)
     * Replaced *_seriali[sz]e methods with *_to_stream in order to
       reduce confusion versus serializer class (0.9.13)
     * BDB 4.1 causes problems - now supported (0.9.13)
     * perl - if you didn't clone a node before trying to re-use it the
       whole thing would segfault (0.9.13)
     * swig 1.3.14 may fail to work for some languages (perl,python ok)
       (0.9.13)
     * New method for syncing of models to store - librdf_model_sync
       (0.9.13)
     * Add proper error/warning reporting - world class has this now
       (0.9.13)
     * Ensure non-file: URIs do not cause crashes - fixed by Raptor URI
       class (0.9.13)
     * Add URI retrieval via external www libraries - done via raptor for
       retrieving URI content for parsing. Not by a new module. (0.9.13)
     * RFE: Add is_literal etc. methods to node class (0.9.13)
     * storage hash-type="memory" with no name (not really needed)
       crashed (0.9.13)
     * Initial thread support (0.9.13)
     * Repat removed - not up-to-date, maintained (0.9.13)
     * Crashed when contexts are attempted to be used when not enabled
       with contexts='yes' (0.9.13)
     * parse_as_stream methods assumed the URI object lived throughout
       the parsing. They may not, and had to be copied on the first call
       - fixed for raptor only (0.9.13)
     * make librdf_statement_set_subject* free any existing node before
       setting (0.9.12)
     * Pass RDF parser error messages to user code, scripting languages
       (0.9.12)
     * Add a swig test in autogen.sh, abort if it is too old (0.9.12)
     * swig 1.3.14 changed its default to shadow and failed to work out
       of the box. Add -noproxy to the swig line for 1.3.14+ (0.9.12)
     * Hacked around repat parser failing to pass bnode ids when as
       statement objects (0.9.12)
     * Added relative URI parsing code from Repat (via raptor) (0.9.12)
     * Handle xml:lang when the rdf parsers provide it (0.9.12)
     * Add query language interfaces (0.9.12)
     * Add support for blank nodes (were anonymous resources) (0.9.12)
     * Removed all node types except for resource, literal, blank, li
       (statement (0.9.12))
     * Use [3]libxml rather than expat as default xml parser (at least
       for raptor) Reasons: uses iconv to handle more content encodings
       and provides better error reporting (0.9.12)
     * Link XML Libraries (-lexpat etc.) before libwww libraries to
       ensure correct XML library is used (0.9.11)
     * Python interface to parsers now works (0.9.11)
     * Multiple startup/shutdowns of entire library now works (0.9.11)
     * Make the library work as a shared library (0.9.11)
     * Model size method implemented (0.9.11)
     * Added a [4]Java interface (0.9.10)
     * librdf_hash_from_string() - \ escaping doesn't work properly
       (0.9.9)
     * SiRPAC wrappers handle multi-line literal objects (0.9.9)
     * Added [5]Tcl interface (0.9.8)
     * Add module - [6]Raptor RDF parser - internal (0.9.8)
     * Make API docbook sgml generate 1 big HTML file (0.9.6)
     * Python interface (0.9.6)
     * Add proper error/warning reporting for RDF/XML parsers (0.9.6)
     * Perl interface (0.9.4)
     * module - storage implemented as hashes
     * made get methods in all hash impls. use iterators (side effecting
       - yuck)
     * made BDB V2 and V3 use btree and handle duplicates
     * removed GDBM from default code since doesn't handle duplicates
     * removed references to factories from simple user code
     * module - rdf parser - via libwww RDF parser
     * annotate the functions with gnome-doc / kernel-doc style comments
       (after JavaDoc) with care taken to make sure it is clear who owns
       the memory of objects passed in or returned by functions
     * module - rdf parser - via Java RDF API / SiRPAC
     * module - in memory storage
     * module - storage factory
     * module - model
     * module - memory allocation
     * change all functions to start with librdf_
     * a decent source-code based documentation system - GNOME / Linux
       kernel gnome-doc / kernel-doc programs based on the Javadoc
       formatted comments style, but for C
     * wrap the code with #ifdef etc. to prevent exposing internals to
       user code
     * module - berkeley DB hash
     * change functions to all start with RDF_ - new and free functions
     * decide on the license(s) - GPL/LGPL and BSDish ???
     * iterator interface and module for returning results

Decided to do differently, not to address

   I reserve the right to change my mind again!
     * RFE: model.parseString(format, "string"), model.parseURI(format,
       URI, baseURI=URI) creating and destroying temporary parser objects
       for format. Means no need to care about parser class if you just
       want simple things. Similarly for model.serialize() and Serializer
       class, however take care with serialise() method. Better as
       model.load(), model.save() or write()? Addressed by the guess
       parser in raptor 1.4.7+.
     * Make API docbook sgml generate decent PostScript / PDF output
       (1.0.3)
     * Split the header files into internal / user ones - now most
       headers are user ones (1.0.1)
     * Write stringbuffer for easy creation of growing in-memory strings
       - now being considered inside raptor.
     * Provide a way to represent reified statements
     * Redland does not work with GDBM hashes. BDB is much better
       (0.9.12)
     * Redland does not work with BerkeleyDB V1. Not fixing since it
       works with V2,V3 and V4 (0.9.12)
     * RFE: make Node and URI be the same class, change all methods using
       Nodes to take URI OR URI or Literal as appropriate. The RDF
       abstract syntax has nodes that are (URI-refs or Literals or ...)
       so this design matches it well (0.9.12)
     * These will not be made into modules at present, the internal RDF
       parser will use expat or libxml as necessary.
          + Add module - xml dom parser - external
          + Add module - xml dom parser - libxml
          + Add module - xml sax parser - libxml
          + Add module - xml parser - sax
          + Add module - xml parser - dom
          + Modularise the library so some parts can be removed [already
            done]
     * This is not needed as a module, the internal RDF parser will do
       this.
          + module - xml namespaces
     _________________________________________________________________

   Copyright (C) 2000-2007 [7]Dave Beckett
   Copyright (C) 2000-2005 [8]University of Bristol

References

   1. http://bugs.librdf.org/
   2. http://www.msu.edu/user/pfaffben/avl/
   3. http://xmlsoft.org/
   4. docs/java.html
   5. docs/tcl.html
   6. http://librdf.org/raptor/
   7. http://purl.org/net/dajobe/
   8. http://www.bristol.ac.uk/