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Versions: 18
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Stored size: 1.59 KB
Contents
# main class which processes configuration description in SFP language either
# in file or as a string
class Sfp::Parser
# enable this class to process SFP into FDR (SAS+)
include Sfp::SasTranslator
attr_accessor :root_dir, :home_dir, :conformant
attr_reader :root, :constraint_next_id
def initialize(params={})
@root_dir = (params[:root_dir].is_a?(String) ?
params[:root_dir].strip :
nil)
@home_dir = (params[:home_dir].is_a?(String) ?
params[:home_dir].strip :
nil)
@root = params[:root]
@conformant = !!params[:conformant]
@constraint_next_id = (params[:constraint_next_id] ? params[:constraint_next_id] : 0)
end
# @param string : a string in SFP language
def parse(string, options={})
lexer = SfpLang::Lexer.new(string)
tokens = ANTLR3::CommonTokenStream.new(lexer)
parser = SfpLang::Parser.new(tokens)
parser.root_dir = @root_dir
parser.home_dir = @home_dir
parser.constraint_next_id = @constraint_next_id
parser.sfp
@constraint_next_id = parser.constraint_next_id
@root = parser.root
@conformant = parser.conformant
@parser_arrays = parser.arrays
end
def to_json(params={})
return 'null' if @root.nil?
return Sfp::Helper.to_pretty_json(@root) if params[:pretty]
return Sfp::Helper.to_json(@root)
end
def self.parse_file(filepath, options={})
#homedir = File.expand_path(File.dirname(filepath))
options[:home_dir] = File.expand_path(File.dirname(filepath)) if !options[:home_dir]
parser = Sfp::Parser.new(options) #{:home_dir => homedir})
parser.parse(File.read(filepath))
parser.root
end
end
Version data entries
18 entries across 18 versions & 1 rubygems