Module: ZergXcode::Parser

Defined in:
lib/zerg_xcode/file_format/parser.rb

Overview

Parser for flattened object graphs stored in .xcodeproj files.

Class Method Summary collapse

Class Method Details

.parse(project_string) ⇒ Object 



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# File 'lib/zerg_xcode/file_format/parser.rb', line 13

def self.parse(project_string)
  tokens = ZergXcode::Lexer.tokenize project_string
  
  context = [[]]
  last_token = nil
  tokens.each do |token|
    case token
    when :begin_array
      context << Array.new
    when :begin_hash
      context << Hash.new
    when :end_array, :end_hash
      last_object = context.pop
      if context.last.kind_of? Array
        context.last << last_object
      elsif context.last.kind_of? String
        hash_key = context.pop
        context.last[hash_key] = last_object
      end
    when :assign, :stop, :comma
      
    when Array
      case token.first
      when :encoding
      when :string, :symbol
        token_string = token.last
        if context.last.kind_of? Hash
          context << token_string
        elsif context.last.kind_of? Array
          context.last << token_string
        elsif context.last.kind_of? String
          key = context.pop
          context.last[key] = token_string
        else
          p context
          raise 'WTFed'
        end
      end        
    else
      raise "Unknown token #{token}"
    end
  end
  return context[0][0]
end