<reponame>OpenExynos/android_build<gh_stars>1-10
# Copyright (C) 2009 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""A module for reading and parsing event-log-tags files."""

import re
import sys

class Tag(object):
  __slots__ = ["tagnum", "tagname", "description", "filename", "linenum"]

  def __init__(self, tagnum, tagname, description, filename, linenum):
    self.tagnum = tagnum
    self.tagname = tagname
    self.description = description
    self.filename = filename
    self.linenum = linenum


class TagFile(object):
  """Read an input event-log-tags file."""
  def AddError(self, msg, linenum=None):
    if linenum is None:
      linenum = self.linenum
    self.errors.append((self.filename, linenum, msg))

  def AddWarning(self, msg, linenum=None):
    if linenum is None:
      linenum = self.linenum
    self.warnings.append((self.filename, linenum, msg))

  def __init__(self, filename, file_object=None):
    """'filename' is the name of the file (included in any error
    messages).  If 'file_object' is None, 'filename' will be opened
    for reading."""
    self.errors = []
    self.warnings = []
    self.tags = []
    self.options = {}

    self.filename = filename
    self.linenum = 0

    if file_object is None:
      try:
        file_object = open(filename, "rb")
      except (IOError, OSError), e:
        self.AddError(str(e))
        return

    try:
      for self.linenum, line in enumerate(file_object):
        self.linenum += 1

        line = line.strip()
        if not line or line[0] == '#': continue
        parts = re.split(r"\s+", line, 2)

        if len(parts) < 2:
          self.AddError("failed to parse \"%s\"" % (line,))
          continue

        if parts[0] == "option":
          self.options[parts[1]] = parts[2:]
          continue

        if parts[0] == "?":
          tag = None
        else:
          try:
            tag = int(parts[0])
          except ValueError:
            self.AddError("\"%s\" isn't an integer tag or '?'" % (parts[0],))
            continue

        tagname = parts[1]
        if len(parts) == 3:
          description = parts[2]
        else:
          description = None

        if description:
          # EventLog.java checks that the description field is
          # surrounded by parens, so we should too (to avoid a runtime
          # crash from badly-formatted descriptions).
          if not re.match(r"\(.*\)\s*$", description):
            self.AddError("tag \"%s\" has unparseable description" % (tagname,))
            continue

        self.tags.append(Tag(tag, tagname, description,
                             self.filename, self.linenum))
    except (IOError, OSError), e:
      self.AddError(str(e))


def BooleanFromString(s):
  """Interpret 's' as a boolean and return its value.  Raise
  ValueError if it's not something we can interpret as true or
  false."""
  s = s.lower()
  if s in ("true", "t", "1", "on", "yes", "y"):
    return True
  if s in ("false", "f", "0", "off", "no", "n"):
    return False
  raise ValueError("'%s' not a valid boolean" % (s,))


def WriteOutput(output_file, data):
  """Write 'data' to the given output filename (which may be None to
  indicate stdout).  Emit an error message and die on any failure.
  'data' may be a string or a StringIO object."""
  if not isinstance(data, str):
    data = data.getvalue()
  try:
    if output_file is None:
      out = sys.stdout
      output_file = "<stdout>"
    else:
      out = open(output_file, "wb")
    out.write(data)
    out.close()
  except (IOError, OSError), e:
    print >> sys.stderr, "failed to write %s: %s" % (output_file, e)
    sys.exit(1)

# Copyright (C) 2009 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""A module for reading and parsing event-log-tags files."""

import re
import sys

class Tag(object):
  __slots__ = ["tagnum", "tagname", "description", "filename", "linenum"]

  def __init__(self, tagnum, tagname, description, filename, linenum):
    self.tagnum = tagnum
    self.tagname = tagname
    self.description = description
    self.filename = filename
    self.linenum = linenum


class TagFile(object):
  """Read an input event-log-tags file."""
  def AddError(self, msg, linenum=None):
    if linenum is None:
      linenum = self.linenum
    self.errors.append((self.filename, linenum, msg))

  def AddWarning(self, msg, linenum=None):
    if linenum is None:
      linenum = self.linenum
    self.warnings.append((self.filename, linenum, msg))

  def __init__(self, filename, file_object=None):
    """'filename' is the name of the file (included in any error
    messages).  If 'file_object' is None, 'filename' will be opened
    for reading."""
    self.errors = []
    self.warnings = []
    self.tags = []
    self.options = {}

    self.filename = filename
    self.linenum = 0

    if file_object is None:
      try:
        file_object = open(filename, "rb")
      except (IOError, OSError), e:
        self.AddError(str(e))
        return

    try:
      for self.linenum, line in enumerate(file_object):
        self.linenum += 1

        line = line.strip()
        if not line or line[0] == '#': continue
        parts = re.split(r"\s+", line, 2)

        if len(parts) < 2:
          self.AddError("failed to parse \"%s\"" % (line,))
          continue

        if parts[0] == "option":
          self.options[parts[1]] = parts[2:]
          continue

        if parts[0] == "?":
          tag = None
        else:
          try:
            tag = int(parts[0])
          except ValueError:
            self.AddError("\"%s\" isn't an integer tag or '?'" % (parts[0],))
            continue

        tagname = parts[1]
        if len(parts) == 3:
          description = parts[2]
        else:
          description = None

        if description:
          # EventLog.java checks that the description field is
          # surrounded by parens, so we should too (to avoid a runtime
          # crash from badly-formatted descriptions).
          if not re.match(r"\(.*\)\s*$", description):
            self.AddError("tag \"%s\" has unparseable description" % (tagname,))
            continue

        self.tags.append(Tag(tag, tagname, description,
                             self.filename, self.linenum))
    except (IOError, OSError), e:
      self.AddError(str(e))


def BooleanFromString(s):
  """Interpret 's' as a boolean and return its value.  Raise
  ValueError if it's not something we can interpret as true or
  false."""
  s = s.lower()
  if s in ("true", "t", "1", "on", "yes", "y"):
    return True
  if s in ("false", "f", "0", "off", "no", "n"):
    return False
  raise ValueError("'%s' not a valid boolean" % (s,))


def WriteOutput(output_file, data):
  """Write 'data' to the given output filename (which may be None to
  indicate stdout).  Emit an error message and die on any failure.
  'data' may be a string or a StringIO object."""
  if not isinstance(data, str):
    data = data.getvalue()
  try:
    if output_file is None:
      out = sys.stdout
      output_file = "<stdout>"
    else:
      out = open(output_file, "wb")
    out.write(data)
    out.close()
  except (IOError, OSError), e:
    print >> sys.stderr, "failed to write %s: %s" % (output_file, e)
    sys.exit(1)
# Copyright (C) 2009 The Android Open Source Project # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # #      http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. A module for reading and parsing event-log-tags files. Read an input event-log-tags file. 'filename' is the name of the file (included in any error     messages).  If 'file_object' is None, 'filename' will be opened     for reading. # EventLog.java checks that the description field is # surrounded by parens, so we should too (to avoid a runtime # crash from badly-formatted descriptions). Interpret 's' as a boolean and return its value.  Raise   ValueError if it's not something we can interpret as true or   false. Write 'data' to the given output filename (which may be None to   indicate stdout).  Emit an error message and die on any failure.   'data' may be a string or a StringIO object.