BaseTools/Source/Python/AutoGen/InfSectionParser.py

   1 ## @file
   2 # Parser a Inf file and Get specify section data.
   3 #
   4 # Copyright (c) 2007 - 2012, Intel Corporation. All rights reserved.<BR>
   5 # This program and the accompanying materials
   6 # are licensed and made available under the terms and conditions of the BSD License
   7 # which accompanies this distribution.  The full text of the license may be found at
   8 # http://opensource.org/licenses/bsd-license.php
   9 #
  10 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 #
  13
  14 ## Import Modules
  15 #
  16
  17 import Common.EdkLogger as EdkLogger
  18 from Common.BuildToolError import *
  19 from Common.DataType import *
  20
  21
  22 class InfSectionParser():
  23     def __init__(self, FilePath):
  24         self._FilePath = FilePath
  25         self._FileSectionDataList = []
  26         self._ParserInf()
  27
  28     def _ParserInf(self):
  29         Filename = self._FilePath
  30         FileLinesList = []
  31         UserExtFind = False
  32         FindEnd = True
  33         FileLastLine = False
  34         SectionLine = ''
  35         SectionData = []
  36
  37         try:
  38             FileLinesList = open(Filename, "r", 0).readlines()
  39         except BaseException:
  40             EdkLogger.error("build", AUTOGEN_ERROR, 'File %s is opened failed.' % Filename)
  41
  42         for Index in range(0, len(FileLinesList)):
  43             line = str(FileLinesList[Index]).strip()
  44             if Index + 1 == len(FileLinesList):
  45                 FileLastLine = True
  46                 NextLine = ''
  47             else:
  48                 NextLine = str(FileLinesList[Index + 1]).strip()
  49             if UserExtFind and FindEnd == False:
  50                 if line:
  51                     SectionData.append(line)
  52             if line.lower().startswith(TAB_SECTION_START) and line.lower().endswith(TAB_SECTION_END):
  53                 SectionLine = line
  54                 UserExtFind = True
  55                 FindEnd = False
  56
  57             if (NextLine != '' and NextLine[0] == TAB_SECTION_START and \
  58                 NextLine[-1] == TAB_SECTION_END) or FileLastLine:
  59                 UserExtFind = False
  60                 FindEnd = True
  61                 self._FileSectionDataList.append({SectionLine: SectionData[:]})
  62                 SectionData = []
  63                 SectionLine = ''
  64
  65
  66     # Get depex expresion
  67     #
  68     # @return: a list include some dictionary that key is section and value is a list contain all data.
  69     def GetDepexExpresionList(self):
  70         DepexExpresionList = []
  71         if not self._FileSectionDataList:
  72             return DepexExpresionList
  73         for SectionDataDict in self._FileSectionDataList:
  74             for key in SectionDataDict.keys():
  75                 if key.lower() == "[depex]" or key.lower().startswith("[depex."):
  76                     SectionLine = key.lstrip(TAB_SECTION_START).rstrip(TAB_SECTION_END)
  77                     SubSectionList = [SectionLine]
  78                     if str(SectionLine).find(TAB_COMMA_SPLIT) > -1:
  79                         SubSectionList = str(SectionLine).split(TAB_COMMA_SPLIT)
  80                     for SubSection in SubSectionList:
  81                         SectionList = SubSection.split(TAB_SPLIT)
  82                         SubKey = ()
  83                         if len(SectionList) == 1:
  84                             SubKey = (TAB_ARCH_COMMON, TAB_ARCH_COMMON)
  85                         elif len(SectionList) == 2:
  86                             SubKey = (SectionList[1], TAB_ARCH_COMMON)
  87                         elif len(SectionList) == 3:
  88                             SubKey = (SectionList[1], SectionList[2])
  89                         else:
  90                             EdkLogger.error("build", AUTOGEN_ERROR, 'Section %s is invalid.' % key)
  91                         DepexExpresionList.append({SubKey: SectionDataDict[key]})
  92         return DepexExpresionList
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