import io
import string

import hserver.utils

class Headers:

	def __init__(self, fp=None, src=None):
		self.__items = {}
		self.__parameters = {}

		if not fp is None:
			self.__read(fp)
			
	def get(self,name,default = None):
		if not name in self.__items.keys():
			return default
		
		return self.__items[name]
			
			
			
	def __getitem__(self,name):
		if name in self.__items.keys():
			return self.__items[name]
		raise KeyError()
			
	def __read(self,fp):
		cont = True
		lines = []
		
		while (cont):
			l = str(fp.readline(),"iso-8859-1").strip()
			if (l.strip() == ""):
				cont = False
			else:
				if (l[0] in string.whitespace ):
					lines[-1] = lines[-1] + " " + l.lstrip()
				else:
					lines.append(l)
					
		for line in lines:
			self.__parseline(line)

	def __parseline(self,line):
		i = line.find(":")
		if (i > 0):
			name = line[:i]
			value = line[ i+1 : ].strip()
			
			i = value.find(";")
			if (i>0):
				parameters = value[ i+1 : ]
				value = value[ :i ]
			else:
				parameters = None
			
			self.__items[name] = value
			print("Headers: %s: %s" % (name,value))
			
#			if (not parameters is None):
#				p = hserver.utils.StreamTokenizer(io.StringIO(parameters))