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 16 class IDLLog(object): 17 def __init__(self, name, out): 18 if name: 19 self.name = '%s : ' % name 20 else: 21 self.name = '' 22 23 self.out = out 24 self.capture = False 25 self.console = True 26 self.log = [] 27 28 def Log(self, msg): 29 line = "%s\n" % (msg) 30 if self.console: self.out.write(line) 31 if self.capture: 32 self.log.append(msg) 33 34 def LogTag(self, msg): 35 line = "%s%s\n" % (self.name, msg) 36 if self.console: self.out.write(line) 37 if self.capture: 38 self.log.append(msg) 39 40 def LogLine(self, filename, lineno, pos, msg): 41 line = "%s(%d) : %s%s\n" % (filename, lineno, self.name, msg) 42 if self.console: self.out.write(line) 43 if self.capture: self.log.append(msg) 44 45 def SetConsole(self, enable, out = None): 46 self.console = enable 47 if out: self.out = out 48 49 def SetCapture(self, enable): 50 self.capture = enable 51 52 def DrainLog(self): 53 out = self.log 54 self.log = [] 55 return out 56 57 ErrOut = IDLLog('Error', sys.stderr) 58 WarnOut = IDLLog('Warning', sys.stdout) 59 InfoOut = IDLLog('', sys.stdout) 60
