#!/usr/bin/env ruby

class LineDeterminator
    def initialize (line)
        @strippedLine = line.strip
    end
    
    def isComment
        @strippedLine[0...2] == "//" or @strippedLine[0...3] == "///"
    end
    
    def isVar
        @strippedLine[0...3] == "var"
    end
    
    def isLet
        @strippedLine[0...3] == "let"
    end
    
    def isClass
        @strippedLine[0...5] == "class"
    end
    
    def isFunction
        @strippedLine[0...4] == "func"
    end
    
    def lineType
        if isComment
            return CommentLineType.new(@strippedLine)
        end
        
        if isVar
            return VariableLineType.new(@strippedLine)
        end
        
        if isLet
            return ConstantLineType.new(@strippedLine)
        end
        
        if isClass
            return ClassLineType.new(@strippedLine)
        end
        
        return LineType.new(@strippedLine)
    end
end