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#!/usr/bin/env python
##########################################################################
#
# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
# All Rights Reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sub license, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice (including the
# next paragraph) shall be included in all copies or substantial portions
# of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
# IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
# ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
##########################################################################
class Formatter:
'''Plain formatter'''
def __init__(self, stream):
self.stream = stream
def text(self, text):
self.stream.write(text)
def newline(self):
self.text('\n')
def function(self, name):
self.text(name)
def variable(self, name):
self.text(name)
def literal(self, value):
self.text(str(value))
def address(self, addr):
self.text(str(addr))
class AnsiFormatter(Formatter):
'''Formatter for plain-text files which outputs ANSI escape codes. See
http://en.wikipedia.org/wiki/ANSI_escape_code for more information
concerning ANSI escape codes.
'''
_csi = '\33['
_normal = '0m'
_bold = '1m'
_italic = '3m'
_red = '31m'
_green = '32m'
_blue = '34m'
def _escape(self, code):
self.text(self._csi + code)
def function(self, name):
self._escape(self._bold)
Formatter.function(self, name)
self._escape(self._normal)
def variable(self, name):
self._escape(self._italic)
Formatter.variable(self, name)
self._escape(self._normal)
def literal(self, value):
self._escape(self._blue)
Formatter.literal(self, value)
self._escape(self._normal)
def address(self, value):
self._escape(self._green)
Formatter.address(self, value)
self._escape(self._normal)
def DefaultFormatter(stream):
if stream.isatty():
return AnsiFormatter(stream)
else:
return Formatter(stream)
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