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module Sass::Source
class Position
# The one-based line of the document associated with the position.
#
# @return [Integer]
attr_accessor :line
# The one-based offset in the line of the document associated with the
# position.
#
# @return [Integer]
attr_accessor :offset
# @param line [Integer] The source line
# @param offset [Integer] The source offset
def initialize(line, offset)
@line = line
@offset = offset
end
# @return [String] A string representation of the source position.
def inspect
"#{line.inspect}:#{offset.inspect}"
end
# @param str [String] The string to move through.
# @return [Position] The source position after proceeding forward through
# `str`.
def after(str)
newlines = str.count("\n")
Position.new(line + newlines,
if newlines == 0
offset + str.length
else
str.length - str.rindex("\n") - 1
end)
end
end
end
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