method

parse_struct_signature

v2_5_5 - Show latest stable - Class: Fiddle::CParser

parse_struct_signature(signature, tymap=nil)

public

Parses a C struct’s members

Example:

require 'fiddle/import'

include Fiddle::CParser
  #=> Object

parse_struct_signature(['int i', 'char c'])
  #=> [[Fiddle::TYPE_INT, Fiddle::TYPE_CHAR], ["i", "c"]]

parse_struct_signature(['char buffer[80]'])
  #=> [[[Fiddle::TYPE_CHAR, 80]], ["buffer"]]

# File ext/fiddle/lib/fiddle/cparser.rb, line 35
    def parse_struct_signature(signature, tymap=nil)
      if signature.is_a?(String)
        signature = split_arguments(signature, /[,;]/)
      end
      mems = []
      tys  = []
      signature.each{|msig|
        msig = compact(msig)
        case msig
        when /^[\w\*\s]+[\*\s](\w+)$/
          mems.push($1)
          tys.push(parse_ctype(msig, tymap))
        when /^[\w\*\s]+\(\*(\w+)\)\(.*?\)$/
          mems.push($1)
          tys.push(parse_ctype(msig, tymap))
        when /^([\w\*\s]+[\*\s])(\w+)\[(\d+)\]$/
          mems.push($2)
          tys.push([parse_ctype($1.strip, tymap), $3.to_i])
        when /^([\w\*\s]+)\[(\d+)\](\w+)$/
          mems.push($3)
          tys.push([parse_ctype($1.strip, tymap), $2.to_i])
        else
          raise(RuntimeError,"can't parse the struct member: #{msig}")
        end
      }
      return tys, mems
    end

parse_struct_signature

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