[ 原始碼: ruby-citrus ]
套件:ruby-citrus(3.0.2-2)
Parsing Expressions for Ruby
Citrus is a compact and powerful parsing library for Ruby that combines the elegance and expressiveness of the language with the simplicity and power of parsing expressions.
A parsing expression grammar, or PEG, is a type of analytic formal grammar, i.e. it describes a formal language in terms of a set of rules for recognizing strings in the language.