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# Author:: Eric Crane (mailto:eric.crane@mac.com)
# Copyright:: Copyright (c) 2020 Eric Crane. All rights reserved.
#
# Helper class used as part of file loading.
# It is responsible for splitting a line into components.
#
module Gloo
module Persist
class LineSplitter
BEGIN_BLOCK = 'BEGIN'.freeze
END_BLOCK = 'END'.freeze
attr_reader :obj
#
# Set up a line splitter
#
def initialize( line, tabs )
@line = line
@tabs = tabs
end
#
# Split the line into 3 parts.
#
def split
detect_name
detect_type
detect_value
return @name, @type, @value
end
#
# Detect the object name.
#
def detect_name
@line = @line.strip
@idx = @line.index( ' ' )
@name = @line[ 0..@idx - 1 ]
end
#
# Detect the object type.
#
def detect_type
@line = @line[ @idx + 1..-1 ]
@idx = @line.index( ' ' )
if @line[ 0 ] == ':'
@type = 'untyped'
return
end
@type = @line[ 0..( @idx ? @idx - 1 : -1 ) ]
@type = @type[ 1..-1 ] if @type[ 0 ] == '['
@type = @type[ 0..-2 ] if @type[ -1 ] == ']'
end
#
# Detect the object value.
# Use nil if there is no value specified.
#
def detect_value
if @idx
@value = @line[ @idx + 1..-1 ]
if @value[ 0..1 ] == ': '
@value = @value[ 2..-1 ]
elsif @value[ 0 ] == ':'
@value = @value[ 1..-1 ]
end
else
@value = nil
end
end
end
end
end
Version data entries
29 entries across 29 versions & 1 rubygems