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      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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