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Contents
module JavaProperties
module Encoding
# Module to escape and unescape special chars
# @see JavaProperties::Encoding
module SpecialChars
# Lookup table for escaping special chars
# @return [Hash]
ESCAPING = {
"\t" => '\\t',
"\r" => '\\r',
"\n" => '\\n',
"\f" => '\\f'
}.freeze
# Lookup table to remove escaping from special chars
# @return [Hash]
DESCAPING = ESCAPING.invert.freeze
# Marks a segment which has is an encoding special char
# @return [Regexp]
DESCAPING_MARKER = /\\./
# Encodes the content a text by escaping all special chars
# @param text [String]
# @return [String] The escaped text for chaining
def self.encode!(text)
buffer = StringIO.new
text.each_char do |char|
buffer << ESCAPING.fetch(char, char)
end
text.replace buffer.string
text
end
# Decodes the content a text by removing all escaping from special chars
# @param text [String]
# @return [String] The unescaped text for chaining
def self.decode!(text)
text.gsub!(DESCAPING_MARKER) do |match|
DESCAPING.fetch(match, match)
end
text
end
end
end
end
Version data entries
4 entries across 4 versions & 2 rubygems