ppapi/generators/idl_log.py

   1 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 """ Error and information logging for IDL """
   6
   7 #
   8 # IDL Log
   9 #
  10 # And IDLLog object provides a mechanism for capturing logging output
  11 # and/or sending out via a file handle (usually stdout or stderr).
  12 #
  13 import sys
  14
  15 class IDLLog(object):
  16   def __init__(self, name, out):
  17     if name:
  18       self.name = '%s : ' % name
  19     else:
  20       self.name = ''
  21
  22     self.out = out
  23     self.capture = False
  24     self.console = True
  25     self.log = []
  26
  27   def Log(self, msg):
  28     line = "%s\n" % (msg)
  29     if self.console: self.out.write(line)
  30     if self.capture:
  31       self.log.append(msg)
  32
  33   def LogTag(self, msg):
  34     line = "%s%s\n" % (self.name, msg)
  35     if self.console: self.out.write(line)
  36     if self.capture:
  37       self.log.append(msg)
  38
  39   def LogLine(self, filename, lineno, pos, msg):
  40     line = "%s(%d) : %s%s\n" % (filename, lineno, self.name, msg)
  41     if self.console: self.out.write(line)
  42     if self.capture: self.log.append(msg)
  43
  44   def SetConsole(self, enable, out = None):
  45     self.console = enable
  46     if out: self.out = out
  47
  48   def SetCapture(self, enable):
  49     self.capture = enable
  50
  51   def DrainLog(self):
  52     out = self.log
  53     self.log = []
  54     return out
  55
  56 ErrOut  = IDLLog('Error', sys.stderr)
  57 WarnOut = IDLLog('Warning', sys.stdout)
  58 InfoOut = IDLLog('', sys.stdout)