#

# Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

# All rights reserved.

# This component and the accompanying materials are made available

# under the terms of the License "Eclipse Public License v1.0"

# which accompanies this distribution, and is available

# at the URL "http://www.eclipse.org/legal/epl-v10.html".

#

# Initial Contributors:

# Nokia Corporation - initial contribution.

#

# Contributors:

#

# Description: 

# Filter class for filtering XML logs and generate reports

# Will ultimately do everything that scanlog does

#

import errno

import os

import sys

import raptor

import filter_interface

class FilterSplitlog(filter_interface.Filter):

	def open(self, raptor_instance):

		"""Open a log file for the various I/O methods to write to."""

		self.raptor = raptor_instance

		self.logFileName = self.raptor.logFileName

		# insert the time into the log file name

		if self.logFileName:

			self.logFileName.path = self.logFileName.path.replace("%TIME",

					self.raptor.timestring)

			try:

				dirname = str(self.raptor.logFileName.Dir())

				if dirname and not os.path.isdir(dirname):

					os.makedirs(dirname)

			except os.error, e:

				if e.errno != errno.EEXIST:

					sys.stderr.write("%s : error: cannot create directory " +

							"%s\n" % (raptor.name, dirname))

					return False

			try:

				self.out = open(str(self.logFileName), "w")

			except:

				self.out = None

				sys.stderr.write("%s : error: cannot write log %s\n" %\

					(raptor.name, self.logFileName.GetShellPath()))

				return False

			# Add extra streams for splitting logfile

			self.log = str(self.logFileName)

			self.index = self.log.rfind(".")

			# If there is no dot, append to the end

			if self.index < 0:

				self.index = len(self.log)

			self.streams = [self.out]

			# Append this list for extra files

			stream_list = ["clean", "whatlog", "recipe"]

			for stream in stream_list:

				path = self.log[:self.index] + "." + stream + \

						self.log[self.index:]

				try:

					handle = open(path, "w")

					self.streams.append(handle)

				except:

					self.streams.append(self.out)

					sys.stderr.write("%s : error: cannot write log %s\n" %\

							(str(raptor.name), path))

			# self.out = self.streams[0]

			self.clean = self.streams[1]

			self.whatlog = self.streams[2]

			self.recipe = self.streams[3]

			self.block = self.out

		else:

			# Change output stream to stdout and override 'write' function

			self.out = sys.stdout

			def stdout_write(text):

				self.out.write(text)

				return True

			self.write = stdout_write

		return True

	def write(self, text):

		"""Write text into relevant log file"""

		for textLine in text.splitlines():

			textLine = textLine + '\n'

			if textLine.startswith("<?xml ") or textLine.startswith("<buildlog ") \

					or textLine.startswith("</buildlog"):

				for stream in self.streams:

					stream.write(textLine)

			# Split 'CLEAN' output into clean file

			elif textLine.startswith("<clean"):

				if self.block != self.out:

					sys.stderr.write("%s : error: invalid xml. <clean> tag found " \

							+ "before previous block closed %s\n" %\

							(raptor.name, self.logFileName))

				self.block = self.clean

				self.block.write(textLine)

			# Split 'WHATLOG' output into whatlog file

			elif textLine.startswith("<whatlog"):

				if self.block != self.out:

					sys.stderr.write("%s : error: invalid xml. <whatlog> tag " + \

							"found before previous block closed\n" %\

							(raptor.name, self.logFileName.GetShellPath()))

				self.block = self.whatlog

				self.block.write(textLine)

			# Split 'RECIPE' output into recipe file

			elif textLine.startswith("<recipe"):

				if self.block != self.out:

					sys.stderr.write("%s : error: invalid xml. <recipe> tag " + \

							"found before previous block closed %s\n" %\

							(raptor.name, self.logFileName.GetShellPath()))

				self.block = self.recipe

				self.block.write(textLine)

			# End of block found. Reset block to standard logfile

			elif textLine.startswith("</clean>") or textLine.startswith("</whatlog>") \

				or textLine.startswith("</recipe>"):

				self.block.write(textLine)

				self.block = self.out

		# Everything else goes to logfile associated with current block

			else:

				self.block.write(textLine)

		return True

	def summary(self):

		"""Write Summary"""

		if self.logFileName and not self.raptor.quiet:

			sys.stdout.write("sbs: build log in %s\n" % self.logFileName)

		return True

	def close(self):

		"""Close the log file(s)"""

		try:

			self.out.close

			for stream in self.streams:

				stream.close()

			return True

		except:

			self.out = None

		return False