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Dir : ~/proc/self/root/usr/share/doc/libtre5/

Edit File: TODO

TODO:

* Documentation

- Finish the reference manual of the API.
   - Finish the manual describing the syntax and semantics of regexps.
   - Write a description of the algorithms used.  There's already my
     Master's Thesis, but it's not TRE-specific, and it's a
     thesis, not an algorithm description.
   - Write man page for tre regexp syntax.

* POSIX required features

- Support for collating elements and equivalence classes.  This
     requires some level of integration with libc.

* New features

- Support for GNU regex extensions.
     - word boundary syntax [[:<:]] and [[:>:]]
     - beginning and end of buffer assertions ("\`" and "\'")
     - is there something else missing?
   - Better system ABI support for non-glibc systems?
   - Transposition operation for the approximate matcher?

* Extend API

- Real-time interface?
      - design API
      - return if not finished after a certain amount of work
      - easy for regexec(), more work for regcomp().

* Optimizations

- Make specialized versions of matcher loops for REG_NOSUB.

- Find out the longest string that must occur in any match, and
     search for it first (with a fast Boyer-Moore search, or maybe
     just strstr).  Then match both ways to see if it was part of
     match.

- Some kind of a pessimistic histogram filter might speed up
     searching for approximate matching.

- Optimize tre_tnfa_run_parallel to be faster (swap instead of
     copying everything?  Assembler optimizations?)

- Write a benchmark suite to see whan effects different
     optimizations have in different situations.