ambientlighter / lttoolbox

Finite state compiler, processor and helper tools used by apertium

lttoolbox

lttoolbox contains finite state tools for lexical processing, morphological analysis and generation of words. Analysis is the process of splitting a word like cats into its lemma cat and the grammatical information <n><pl>. Generation is the opposite process.

The three programs main programs are lt-comp, the compiler, lt-proc, the processor, and lt-expand, which generates all possible mappings between surface forms and lexical forms in the dictionary.

Executables built by this pacage:

• lt-comp: compiler, execute without parameters to show usage instructions.

• lt-proc: processor, typical options are -a (lexical analyser, default option), -g (lexical generator) and -p (lexical post-generator). Using -h will show all flags.

• lt-expand: generates all the pairs of transductions of a given dictionary. Execute without parameters to show the instructions of use.

• lt-trim: trims a compiled analyser to only contain entries which would pass through a compiled bidix, creating a new compiled and trimmed analyser.

• lt-print: print the arcs of a transducer in ATT format.

There is also a C++ API that you can link to (see how apertium or apertium-lex-tools do this).

See https://wiki.apertium.org/wiki/Lttoolbox for usage examples and more information.

Installation

There are binaries available for Debian, Ubuntu, Fedora, CentOS, OpenSUSE, Windows, and macOS. We package both nightly builds and releases. See https://wiki.apertium.org/wiki/Installation for more information. Only build from source if you either want to change this tool's behavior, or are on a platform we don't yet package for.

Requirements:

• g++ >= 2.95
• GNU make
• libxml2 >= 2.6.17

Building & installing:

• ./configure
• make
• make install