module ExtendedString

# File lib/wikicloth/core_ext.rb, line 41
def addslashes
  self.gsub(/['"\\\x0]/,'\\\\\0');
end

# File lib/wikicloth/core_ext.rb, line 49
def auto_link
  url_check = Regexp.new( '(^|[\n ])([\w]+?://[\w]+[^ \"\r\n\t<]*)', Regexp::MULTILINE | Regexp::IGNORECASE )
  www_check = Regexp.new( '(^|[\n ])((www)\.[^ \"\t\n\r<]*)', Regexp::MULTILINE | Regexp::IGNORECASE )
  self.gsub!(url_check, '\1<a href="\2">\2</a>')
  self.gsub!(www_check, '\1<a href="http://\2">\2</a>')
  to_s
end

# File lib/wikicloth/core_ext.rb, line 37
def blank?
  respond_to?(:empty?) ? empty? : !self
end

# File lib/wikicloth/core_ext.rb, line 61
def dump()
  ret = to_s
  delete!(to_s)
  ret
end

# File lib/wikicloth/core_ext.rb, line 57
def last(n)
  self[-n,n]
end

# File lib/wikicloth/core_ext.rb, line 67
def smart_split(char)
  ret = []
  tmp = ""
  inside = 0
  to_s.each_char do |x|
    if x == char && inside == 0
      ret << tmp
      tmp = ""
    else
      inside += 1 if x == "[" || x == "{" || x == "<"
      inside -= 1 if x == "]" || x == "}" || x == ">"
      tmp += x
    end
  end
  ret << tmp unless tmp.empty?
  ret
end

# File lib/wikicloth/core_ext.rb, line 45
def to_slug
  self.gsub(/\W+/, '-').gsub(/^-+/,'').gsub(/-+$/,'').downcase
end