Module: JavaProperties::Parser

Defined in:
lib/java_properties/parser.rb

Overview

Module for parsing Java properties text into a Hash.

props_hash = JavaProperties::Parser.parse( string_of_propfile_contents )

Class Method Summary collapse

Class Method Details

.normalize(text) ⇒ Object

Normalizes the contents of a Java properties file so that comments are removed, leading spaces are trimmed off, multiline entries are consolidated and all delimiters are consistent.



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# File 'lib/java_properties/parser.rb', line 36

def self.normalize text
  # Remove comment lines
  text.gsub!( /^\s*[!\#].*$/, '' )
  # Remove all leading spaces
  text.gsub!( /^\s+/, '' )
  # Remove all trailing spaces
  text.gsub!( /\s+$/, '' )
  # Concatenate strings ending with \
  text.gsub!( /\\\s*$[\n\r]+/, '' )
  # Remove spaces next to delimiters and replace all with =
  text.gsub!( /^((?:(?:\\[=: \t])|[^=: \t])+)[ \t]*[=: \t][ \t]*/, '\1=' )
  
  text
end

.parse(text) ⇒ Object

Parses a string containing the contents of a Java properties file into a hash of key/value pairs. The keys are converted into symbols.



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# File 'lib/java_properties/parser.rb', line 15

def self.parse text
  props = {}
  text = self.normalize(text)
  text.split(/[\n\r]+/).each do |line|
	if line =~ /^([^=]*)=(.*)$/ then
	  key,value = $1,$2
	elsif line =~ /\S/ then
	  key,value = line, ''
	else
	  key,value = nil,nil
	end
	props[Encoding.decode(key).to_sym] = Encoding.decode(value) unless key.nil? && value.nil?
  end
  props
end