1from __future__ import print_function, division, absolute_import
2from fontTools.misc.py23 import *
3from fontTools.misc.textTools import safeEval
4from . import DefaultTable
5import sys
6import array
7
8class table__c_v_t(DefaultTable.DefaultTable):
9
10	def decompile(self, data, ttFont):
11		values = array.array("h")
12		values.fromstring(data)
13		if sys.byteorder != "big": values.byteswap()
14		self.values = values
15
16	def compile(self, ttFont):
17		values = self.values[:]
18		if sys.byteorder != "big": values.byteswap()
19		return values.tostring()
20
21	def toXML(self, writer, ttFont):
22		for i in range(len(self.values)):
23			value = self.values[i]
24			writer.simpletag("cv", value=value, index=i)
25			writer.newline()
26
27	def fromXML(self, name, attrs, content, ttFont):
28		if not hasattr(self, "values"):
29			self.values = array.array("h")
30		if name == "cv":
31			index = safeEval(attrs["index"])
32			value = safeEval(attrs["value"])
33			for i in range(1 + index - len(self.values)):
34				self.values.append(0)
35			self.values[index] = value
36
37	def __len__(self):
38		return len(self.values)
39
40	def __getitem__(self, index):
41		return self.values[index]
42
43	def __setitem__(self, index, value):
44		self.values[index] = value
45
46	def __delitem__(self, index):
47		del self.values[index]
48