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require "rexml/child"
module REXML
module DTD
class NotationDecl < Child
START = "<!NOTATION"
START_RE = /^\s*#{START}/um
PUBLIC = /^\s*#{START}\s+(\w[\w-]*)\s+(PUBLIC)\s+((["']).*?\4)\s*>/um
SYSTEM = /^\s*#{START}\s+(\w[\w-]*)\s+(SYSTEM)\s+((["']).*?\4)\s*>/um
def initialize src
super()
if src.match( PUBLIC )
md = src.match( PUBLIC, true )
elsif src.match( SYSTEM )
md = src.match( SYSTEM, true )
else
raise ParseException.new( "error parsing notation: no matching pattern", src )
end
@name = md[1]
@middle = md[2]
@rest = md[3]
end
def to_s
"<!NOTATION #@name #@middle #@rest>"
end
def write( output, indent )
indent( output, indent )
output << to_s
end
def NotationDecl.parse_source source, listener
md = source.match( PATTERN_RE, true )
thing = md[0].squeeze(" \t\n\r")
listener.send inspect.downcase, thing
end
end
end
end
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