BaseTools/Source/Python/UPT/Library/String.py

   1 ## @file
   2 # This file is used to define common string related functions used in parsing
   3 # process
   4 #
   5 # Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
   6 #
   7 # This program and the accompanying materials are licensed and made available
   8 # under the terms and conditions of the BSD License which accompanies this
   9 # distribution. The full text of the license may be found at
  10 # http://opensource.org/licenses/bsd-license.php
  11 #
  12 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  14 #
  15 '''
  16 String
  17 '''
  18 ##
  19 # Import Modules
  20 #
  21 import re
  22 import os.path
  23 from string import strip
  24 import Logger.Log as Logger
  25 import Library.DataType as DataType
  26 from Logger.ToolError import FORMAT_INVALID
  27 from Logger.ToolError import PARSER_ERROR
  28 from Logger import StringTable as ST
  29
  30 #
  31 # Regular expression for matching macro used in DSC/DEC/INF file inclusion
  32 #
  33 gMACRO_PATTERN = re.compile("\$\(([_A-Z][_A-Z0-9]*)\)", re.UNICODE)
  34
  35 ## GetSplitValueList
  36 #
  37 # Get a value list from a string with multiple values splited with SplitTag
  38 # The default SplitTag is DataType.TAB_VALUE_SPLIT
  39 # 'AAA|BBB|CCC' -> ['AAA', 'BBB', 'CCC']
  40 #
  41 # @param String:    The input string to be splitted
  42 # @param SplitTag:  The split key, default is DataType.TAB_VALUE_SPLIT
  43 # @param MaxSplit:  The max number of split values, default is -1
  44 #
  45 #
  46 def GetSplitValueList(String, SplitTag=DataType.TAB_VALUE_SPLIT, MaxSplit=-1):
  47     return map(lambda l: l.strip(), String.split(SplitTag, MaxSplit))
  48
  49 ## MergeArches
  50 #
  51 # Find a key's all arches in dict, add the new arch to the list
  52 # If not exist any arch, set the arch directly
  53 #
  54 # @param Dict:  The input value for Dict
  55 # @param Key:   The input value for Key
  56 # @param Arch:  The Arch to be added or merged
  57 #
  58 def MergeArches(Dict, Key, Arch):
  59     if Key in Dict.keys():
  60         Dict[Key].append(Arch)
  61     else:
  62         Dict[Key] = Arch.split()
  63
  64 ## GenDefines
  65 #
  66 # Parse a string with format "DEFINE <VarName> = <PATH>"
  67 # Generate a map Defines[VarName] = PATH
  68 # Return False if invalid format
  69 #
  70 # @param String:   String with DEFINE statement
  71 # @param Arch:     Supportted Arch
  72 # @param Defines:  DEFINE statement to be parsed
  73 #
  74 def GenDefines(String, Arch, Defines):
  75     if String.find(DataType.TAB_DEFINE + ' ') > -1:
  76         List = String.replace(DataType.TAB_DEFINE + ' ', '').\
  77         split(DataType.TAB_EQUAL_SPLIT)
  78         if len(List) == 2:
  79             Defines[(CleanString(List[0]), Arch)] = CleanString(List[1])
  80             return 0
  81         else:
  82             return -1
  83     return 1
  84
  85 ## GetLibraryClassesWithModuleType
  86 #
  87 # Get Library Class definition when no module type defined
  88 #
  89 # @param Lines:             The content to be parsed
  90 # @param Key:               Reserved
  91 # @param KeyValues:         To store data after parsing
  92 # @param CommentCharacter:  Comment char, used to ignore comment content
  93 #
  94 def GetLibraryClassesWithModuleType(Lines, Key, KeyValues, CommentCharacter):
  95     NewKey = SplitModuleType(Key)
  96     Lines = Lines.split(DataType.TAB_SECTION_END, 1)[1]
  97     LineList = Lines.splitlines()
  98     for Line in LineList:
  99         Line = CleanString(Line, CommentCharacter)
 100         if Line != '' and Line[0] != CommentCharacter:
 101             KeyValues.append([CleanString(Line, CommentCharacter), NewKey[1]])
 102
 103     return True
 104
 105 ## GetDynamics
 106 #
 107 # Get Dynamic Pcds
 108 #
 109 # @param Lines:             The content to be parsed
 110 # @param Key:               Reserved
 111 # @param KeyValues:         To store data after parsing
 112 # @param CommentCharacter:  Comment char, used to ignore comment content
 113 #
 114 def GetDynamics(Lines, Key, KeyValues, CommentCharacter):
 115     #
 116     # Get SkuId Name List
 117     #
 118     SkuIdNameList = SplitModuleType(Key)
 119
 120     Lines = Lines.split(DataType.TAB_SECTION_END, 1)[1]
 121     LineList = Lines.splitlines()
 122     for Line in LineList:
 123         Line = CleanString(Line, CommentCharacter)
 124         if Line != '' and Line[0] != CommentCharacter:
 125             KeyValues.append([CleanString(Line, CommentCharacter), SkuIdNameList[1]])
 126
 127     return True
 128
 129 ## SplitModuleType
 130 #
 131 # Split ModuleType out of section defien to get key
 132 # [LibraryClass.Arch.ModuleType|ModuleType|ModuleType] -> [
 133 # 'LibraryClass.Arch', ['ModuleType', 'ModuleType', 'ModuleType'] ]
 134 #
 135 # @param Key:  String to be parsed
 136 #
 137 def SplitModuleType(Key):
 138     KeyList = Key.split(DataType.TAB_SPLIT)
 139     #
 140     # Fill in for arch
 141     #
 142     KeyList.append('')
 143     #
 144     # Fill in for moduletype
 145     #
 146     KeyList.append('')
 147     ReturnValue = []
 148     KeyValue = KeyList[0]
 149     if KeyList[1] != '':
 150         KeyValue = KeyValue + DataType.TAB_SPLIT + KeyList[1]
 151     ReturnValue.append(KeyValue)
 152     ReturnValue.append(GetSplitValueList(KeyList[2]))
 153
 154     return ReturnValue
 155
 156 ## Replace macro in string
 157 #
 158 # This method replace macros used in given string. The macros are given in a
 159 # dictionary.
 160 #
 161 # @param String             String to be processed
 162 # @param MacroDefinitions   The macro definitions in the form of dictionary
 163 # @param SelfReplacement    To decide whether replace un-defined macro to ''
 164 # @param Line:              The content contain line string and line number
 165 # @param FileName:        The meta-file file name
 166 #
 167 def ReplaceMacro(String, MacroDefinitions = None,  SelfReplacement = False, Line = None, FileName = None, Flag = False):
 168     LastString = String
 169     if MacroDefinitions == None:
 170         MacroDefinitions = {}
 171     while MacroDefinitions:
 172         QuotedStringList = []
 173         HaveQuotedMacroFlag = False
 174         if not Flag:
 175             MacroUsed = gMACRO_PATTERN.findall(String)
 176         else:
 177             ReQuotedString = re.compile('\"')
 178             QuotedStringList = ReQuotedString.split(String)
 179             if len(QuotedStringList) >= 3:
 180                 HaveQuotedMacroFlag = True
 181             Count = 0
 182             MacroString = ""
 183             for QuotedStringItem in QuotedStringList:
 184                 Count += 1
 185                 if Count % 2 != 0:
 186                     MacroString += QuotedStringItem
 187
 188                 if Count == len(QuotedStringList) and Count%2 == 0:
 189                     MacroString += QuotedStringItem
 190
 191             MacroUsed = gMACRO_PATTERN.findall(MacroString)
 192         #
 193         # no macro found in String, stop replacing
 194         #
 195         if len(MacroUsed) == 0:
 196             break
 197         for Macro in MacroUsed:
 198             if Macro not in MacroDefinitions:
 199                 if SelfReplacement:
 200                     String = String.replace("$(%s)" % Macro, '')
 201                     Logger.Debug(5, "Delete undefined MACROs in file %s line %d: %s!" %(FileName, Line[1], Line[0]))
 202                 continue
 203             if not HaveQuotedMacroFlag:
 204                 String = String.replace("$(%s)" % Macro, MacroDefinitions[Macro])
 205             else:
 206                 Count = 0
 207                 for QuotedStringItem in QuotedStringList:
 208                     Count += 1
 209                     if Count % 2 != 0:
 210                         QuotedStringList[Count-1] = QuotedStringList[Count-1].replace("$(%s)" % Macro,
 211                                                                         MacroDefinitions[Macro])
 212                     elif Count == len(QuotedStringList) and Count%2 == 0:
 213                         QuotedStringList[Count-1] = QuotedStringList[Count-1].replace("$(%s)" % Macro,
 214                                                                         MacroDefinitions[Macro])
 215
 216         RetString = ''
 217         if HaveQuotedMacroFlag:
 218             Count = 0
 219             for QuotedStringItem in QuotedStringList:
 220                 Count += 1
 221                 if Count != len(QuotedStringList):
 222                     RetString += QuotedStringList[Count-1] + "\""
 223                 else:
 224                     RetString += QuotedStringList[Count-1]
 225
 226             String = RetString
 227
 228         #
 229         # in case there's macro not defined
 230         #
 231         if String == LastString:
 232             break
 233         LastString = String
 234
 235     return String
 236
 237 ## NormPath
 238 #
 239 # Create a normal path
 240 # And replace DFEINE in the path
 241 #
 242 # @param Path:     The input value for Path to be converted
 243 # @param Defines:  A set for DEFINE statement
 244 #
 245 def NormPath(Path, Defines = None):
 246     IsRelativePath = False
 247     if Defines == None:
 248         Defines = {}
 249     if Path:
 250         if Path[0] == '.':
 251             IsRelativePath = True
 252         #
 253         # Replace with Define
 254         #
 255         if Defines:
 256             Path = ReplaceMacro(Path, Defines)
 257         #
 258         # To local path format
 259         #
 260         Path = os.path.normpath(Path)
 261
 262     if IsRelativePath and Path[0] != '.':
 263         Path = os.path.join('.', Path)
 264     return Path
 265
 266 ## CleanString
 267 #
 268 # Remove comments in a string
 269 # Remove spaces
 270 #
 271 # @param Line:              The string to be cleaned
 272 # @param CommentCharacter:  Comment char, used to ignore comment content,
 273 #                           default is DataType.TAB_COMMENT_SPLIT
 274 #
 275 def CleanString(Line, CommentCharacter=DataType.TAB_COMMENT_SPLIT, AllowCppStyleComment=False):
 276     #
 277     # remove whitespace
 278     #
 279     Line = Line.strip()
 280     #
 281     # Replace EDK1's comment character
 282     #
 283     if AllowCppStyleComment:
 284         Line = Line.replace(DataType.TAB_COMMENT_EDK1_SPLIT, CommentCharacter)
 285     #
 286     # remove comments, but we should escape comment character in string
 287     #
 288     InString = False
 289     for Index in range(0, len(Line)):
 290         if Line[Index] == '"':
 291             InString = not InString
 292         elif Line[Index] == CommentCharacter and not InString:
 293             Line = Line[0: Index]
 294             break
 295     #
 296     # remove whitespace again
 297     #
 298     Line = Line.strip()
 299
 300     return Line
 301
 302 ## CleanString2
 303 #
 304 # Split comments in a string
 305 # Remove spaces
 306 #
 307 # @param Line:              The string to be cleaned
 308 # @param CommentCharacter:  Comment char, used to ignore comment content,
 309 #                           default is DataType.TAB_COMMENT_SPLIT
 310 #
 311 def CleanString2(Line, CommentCharacter=DataType.TAB_COMMENT_SPLIT, AllowCppStyleComment=False):
 312     #
 313     # remove whitespace
 314     #
 315     Line = Line.strip()
 316     #
 317     # Replace EDK1's comment character
 318     #
 319     if AllowCppStyleComment:
 320         Line = Line.replace(DataType.TAB_COMMENT_EDK1_SPLIT, CommentCharacter)
 321     #
 322     # separate comments and statements
 323     #
 324     LineParts = Line.split(CommentCharacter, 1)
 325     #
 326     # remove whitespace again
 327     #
 328     Line = LineParts[0].strip()
 329     if len(LineParts) > 1:
 330         Comment = LineParts[1].strip()
 331         #
 332         # Remove prefixed and trailing comment characters
 333         #
 334         Start = 0
 335         End = len(Comment)
 336         while Start < End and Comment.startswith(CommentCharacter, Start, End):
 337             Start += 1
 338         while End >= 0 and Comment.endswith(CommentCharacter, Start, End):
 339             End -= 1
 340         Comment = Comment[Start:End]
 341         Comment = Comment.strip()
 342     else:
 343         Comment = ''
 344
 345     return Line, Comment
 346
 347 ## GetMultipleValuesOfKeyFromLines
 348 #
 349 # Parse multiple strings to clean comment and spaces
 350 # The result is saved to KeyValues
 351 #
 352 # @param Lines:             The content to be parsed
 353 # @param Key:               Reserved
 354 # @param KeyValues:         To store data after parsing
 355 # @param CommentCharacter:  Comment char, used to ignore comment content
 356 #
 357 def GetMultipleValuesOfKeyFromLines(Lines, Key, KeyValues, CommentCharacter):
 358     if Key:
 359         pass
 360     if KeyValues:
 361         pass
 362     Lines = Lines.split(DataType.TAB_SECTION_END, 1)[1]
 363     LineList = Lines.split('\n')
 364     for Line in LineList:
 365         Line = CleanString(Line, CommentCharacter)
 366         if Line != '' and Line[0] != CommentCharacter:
 367             KeyValues += [Line]
 368     return True
 369
 370 ## GetDefineValue
 371 #
 372 # Parse a DEFINE statement to get defined value
 373 # DEFINE Key Value
 374 #
 375 # @param String:            The content to be parsed
 376 # @param Key:               The key of DEFINE statement
 377 # @param CommentCharacter:  Comment char, used to ignore comment content
 378 #
 379 def GetDefineValue(String, Key, CommentCharacter):
 380     if CommentCharacter:
 381         pass
 382     String = CleanString(String)
 383     return String[String.find(Key + ' ') + len(Key + ' ') : ]
 384
 385 ## GetSingleValueOfKeyFromLines
 386 #
 387 # Parse multiple strings as below to get value of each definition line
 388 # Key1 = Value1
 389 # Key2 = Value2
 390 # The result is saved to Dictionary
 391 #
 392 # @param Lines:                The content to be parsed
 393 # @param Dictionary:           To store data after parsing
 394 # @param CommentCharacter:     Comment char, be used to ignore comment content
 395 # @param KeySplitCharacter:    Key split char, between key name and key value.
 396 #                              Key1 = Value1, '=' is the key split char
 397 # @param ValueSplitFlag:       Value split flag, be used to decide if has
 398 #                              multiple values
 399 # @param ValueSplitCharacter:  Value split char, be used to split multiple
 400 #                              values. Key1 = Value1|Value2, '|' is the value
 401 #                              split char
 402 #
 403 def GetSingleValueOfKeyFromLines(Lines, Dictionary, CommentCharacter, KeySplitCharacter, \
 404                                  ValueSplitFlag, ValueSplitCharacter):
 405     Lines = Lines.split('\n')
 406     Keys = []
 407     Value = ''
 408     DefineValues = ['']
 409     SpecValues = ['']
 410
 411     for Line in Lines:
 412         #
 413         # Handle DEFINE and SPEC
 414         #
 415         if Line.find(DataType.TAB_INF_DEFINES_DEFINE + ' ') > -1:
 416             if '' in DefineValues:
 417                 DefineValues.remove('')
 418             DefineValues.append(GetDefineValue(Line, DataType.TAB_INF_DEFINES_DEFINE, CommentCharacter))
 419             continue
 420         if Line.find(DataType.TAB_INF_DEFINES_SPEC + ' ') > -1:
 421             if '' in SpecValues:
 422                 SpecValues.remove('')
 423             SpecValues.append(GetDefineValue(Line, DataType.TAB_INF_DEFINES_SPEC, CommentCharacter))
 424             continue
 425
 426         #
 427         # Handle Others
 428         #
 429         LineList = Line.split(KeySplitCharacter, 1)
 430         if len(LineList) >= 2:
 431             Key = LineList[0].split()
 432             if len(Key) == 1 and Key[0][0] != CommentCharacter:
 433                 #
 434                 # Remove comments and white spaces
 435                 #
 436                 LineList[1] = CleanString(LineList[1], CommentCharacter)
 437                 if ValueSplitFlag:
 438                     Value = map(strip, LineList[1].split(ValueSplitCharacter))
 439                 else:
 440                     Value = CleanString(LineList[1], CommentCharacter).splitlines()
 441
 442                 if Key[0] in Dictionary:
 443                     if Key[0] not in Keys:
 444                         Dictionary[Key[0]] = Value
 445                         Keys.append(Key[0])
 446                     else:
 447                         Dictionary[Key[0]].extend(Value)
 448                 else:
 449                     Dictionary[DataType.TAB_INF_DEFINES_MACRO][Key[0]] = Value[0]
 450
 451     if DefineValues == []:
 452         DefineValues = ['']
 453     if SpecValues == []:
 454         SpecValues = ['']
 455     Dictionary[DataType.TAB_INF_DEFINES_DEFINE] = DefineValues
 456     Dictionary[DataType.TAB_INF_DEFINES_SPEC] = SpecValues
 457
 458     return True
 459
 460 ## The content to be parsed
 461 #
 462 # Do pre-check for a file before it is parsed
 463 # Check $()
 464 # Check []
 465 #
 466 # @param FileName:       Used for error report
 467 # @param FileContent:    File content to be parsed
 468 # @param SupSectionTag:  Used for error report
 469 #
 470 def PreCheck(FileName, FileContent, SupSectionTag):
 471     if SupSectionTag:
 472         pass
 473     LineNo = 0
 474     IsFailed = False
 475     NewFileContent = ''
 476     for Line in FileContent.splitlines():
 477         LineNo = LineNo + 1
 478         #
 479         # Clean current line
 480         #
 481         Line = CleanString(Line)
 482         #
 483         # Remove commented line
 484         #
 485         if Line.find(DataType.TAB_COMMA_SPLIT) == 0:
 486             Line = ''
 487         #
 488         # Check $()
 489         #
 490         if Line.find('$') > -1:
 491             if Line.find('$(') < 0 or Line.find(')') < 0:
 492                 Logger.Error("Parser", FORMAT_INVALID, Line=LineNo, File=FileName, RaiseError = Logger.IS_RAISE_ERROR)
 493         #
 494         # Check []
 495         #
 496         if Line.find('[') > -1 or Line.find(']') > -1:
 497             #
 498             # Only get one '[' or one ']'
 499             #
 500             if not (Line.find('[') > -1 and Line.find(']') > -1):
 501                 Logger.Error("Parser", FORMAT_INVALID, Line=LineNo, File=FileName, RaiseError = Logger.IS_RAISE_ERROR)
 502         #
 503         # Regenerate FileContent
 504         #
 505         NewFileContent = NewFileContent + Line + '\r\n'
 506
 507     if IsFailed:
 508         Logger.Error("Parser", FORMAT_INVALID, Line=LineNo, File=FileName, RaiseError = Logger.IS_RAISE_ERROR)
 509
 510     return NewFileContent
 511
 512 ## CheckFileType
 513 #
 514 # Check if the Filename is including ExtName
 515 # Return True if it exists
 516 # Raise a error message if it not exists
 517 #
 518 # @param CheckFilename:      Name of the file to be checked
 519 # @param ExtName:            Ext name of the file to be checked
 520 # @param ContainerFilename:  The container file which describes the file to be
 521 #                            checked, used for error report
 522 # @param SectionName:        Used for error report
 523 # @param Line:               The line in container file which defines the file
 524 #                            to be checked
 525 #
 526 def CheckFileType(CheckFilename, ExtName, ContainerFilename, SectionName, Line, LineNo=-1):
 527     if CheckFilename != '' and CheckFilename != None:
 528         (Root, Ext) = os.path.splitext(CheckFilename)
 529         if Ext.upper() != ExtName.upper() and Root:
 530             ContainerFile = open(ContainerFilename, 'r').read()
 531             if LineNo == -1:
 532                 LineNo = GetLineNo(ContainerFile, Line)
 533             ErrorMsg = ST.ERR_SECTIONNAME_INVALID % (SectionName, CheckFilename, ExtName)
 534             Logger.Error("Parser", PARSER_ERROR, ErrorMsg, Line=LineNo, \
 535                          File=ContainerFilename, RaiseError=Logger.IS_RAISE_ERROR)
 536
 537     return True
 538
 539 ## CheckFileExist
 540 #
 541 # Check if the file exists
 542 # Return True if it exists
 543 # Raise a error message if it not exists
 544 #
 545 # @param CheckFilename:      Name of the file to be checked
 546 # @param WorkspaceDir:       Current workspace dir
 547 # @param ContainerFilename:  The container file which describes the file to
 548 #                            be checked, used for error report
 549 # @param SectionName:        Used for error report
 550 # @param Line:               The line in container file which defines the
 551 #                            file to be checked
 552 #
 553 def CheckFileExist(WorkspaceDir, CheckFilename, ContainerFilename, SectionName, Line, LineNo=-1):
 554     CheckFile = ''
 555     if CheckFilename != '' and CheckFilename != None:
 556         CheckFile = WorkspaceFile(WorkspaceDir, CheckFilename)
 557         if not os.path.isfile(CheckFile):
 558             ContainerFile = open(ContainerFilename, 'r').read()
 559             if LineNo == -1:
 560                 LineNo = GetLineNo(ContainerFile, Line)
 561             ErrorMsg = ST.ERR_CHECKFILE_NOTFOUND % (CheckFile, SectionName)
 562             Logger.Error("Parser", PARSER_ERROR, ErrorMsg,
 563                             File=ContainerFilename, Line = LineNo, RaiseError=Logger.IS_RAISE_ERROR)
 564     return CheckFile
 565
 566 ## GetLineNo
 567 #
 568 # Find the index of a line in a file
 569 #
 570 # @param FileContent:  Search scope
 571 # @param Line:         Search key
 572 #
 573 def GetLineNo(FileContent, Line, IsIgnoreComment=True):
 574     LineList = FileContent.splitlines()
 575     for Index in range(len(LineList)):
 576         if LineList[Index].find(Line) > -1:
 577             #
 578             # Ignore statement in comment
 579             #
 580             if IsIgnoreComment:
 581                 if LineList[Index].strip()[0] == DataType.TAB_COMMENT_SPLIT:
 582                     continue
 583             return Index + 1
 584
 585     return -1
 586
 587 ## RaiseParserError
 588 #
 589 # Raise a parser error
 590 #
 591 # @param Line:     String which has error
 592 # @param Section:  Used for error report
 593 # @param File:     File which has the string
 594 # @param Format:   Correct format
 595 #
 596 def RaiseParserError(Line, Section, File, Format='', LineNo=-1):
 597     if LineNo == -1:
 598         LineNo = GetLineNo(open(os.path.normpath(File), 'r').read(), Line)
 599     ErrorMsg = ST.ERR_INVALID_NOTFOUND % (Line, Section)
 600     if Format != '':
 601         Format = "Correct format is " + Format
 602     Logger.Error("Parser", PARSER_ERROR, ErrorMsg, File=File, Line=LineNo, \
 603                  ExtraData=Format, RaiseError=Logger.IS_RAISE_ERROR)
 604
 605 ## WorkspaceFile
 606 #
 607 # Return a full path with workspace dir
 608 #
 609 # @param WorkspaceDir:  Workspace dir
 610 # @param Filename:      Relative file name
 611 #
 612 def WorkspaceFile(WorkspaceDir, Filename):
 613     return os.path.join(NormPath(WorkspaceDir), NormPath(Filename))
 614
 615 ## Split string
 616 #
 617 # Revmove '"' which startswith and endswith string
 618 #
 619 # @param String:  The string need to be splited
 620 #
 621 def SplitString(String):
 622     if String.startswith('\"'):
 623         String = String[1:]
 624     if String.endswith('\"'):
 625         String = String[:-1]
 626     return String
 627
 628 ## Convert To Sql String
 629 #
 630 # Replace "'" with "''" in each item of StringList
 631 #
 632 # @param StringList:  A list for strings to be converted
 633 #
 634 def ConvertToSqlString(StringList):
 635     return map(lambda s: s.replace("'", "''") , StringList)
 636
 637 ## Convert To Sql String
 638 #
 639 # Replace "'" with "''" in the String
 640 #
 641 # @param String:  A String to be converted
 642 #
 643 def ConvertToSqlString2(String):
 644     return String.replace("'", "''")
 645
 646 ## RemoveBlockComment
 647 #
 648 # Remove comment block
 649 #
 650 # @param Lines: Block Comment Lines
 651 #
 652 def RemoveBlockComment(Lines):
 653     IsFindBlockComment = False
 654     ReservedLine = ''
 655     NewLines = []
 656
 657     for Line in Lines:
 658         Line = Line.strip()
 659         #
 660         # Remove comment block
 661         #
 662         if Line.find(DataType.TAB_COMMENT_EDK1_START) > -1:
 663             ReservedLine = GetSplitValueList(Line, DataType.TAB_COMMENT_EDK1_START, 1)[0]
 664             IsFindBlockComment = True
 665         if Line.find(DataType.TAB_COMMENT_EDK1_END) > -1:
 666             Line = ReservedLine + GetSplitValueList(Line, DataType.TAB_COMMENT_EDK1_END, 1)[1]
 667             ReservedLine = ''
 668             IsFindBlockComment = False
 669         if IsFindBlockComment:
 670             NewLines.append('')
 671             continue
 672         NewLines.append(Line)
 673     return NewLines
 674
 675 ## GetStringOfList
 676 #
 677 # Get String of a List
 678 #
 679 # @param Lines: string list
 680 # @param Split: split character
 681 #
 682 def GetStringOfList(List, Split = ' '):
 683     if type(List) != type([]):
 684         return List
 685     Str = ''
 686     for Item in List:
 687         Str = Str + Item + Split
 688     return Str.strip()
 689
 690 ## Get HelpTextList
 691 #
 692 # Get HelpTextList from HelpTextClassList
 693 #
 694 # @param HelpTextClassList: Help Text Class List
 695 #
 696 def GetHelpTextList(HelpTextClassList):
 697     List = []
 698     if HelpTextClassList:
 699         for HelpText in HelpTextClassList:
 700             if HelpText.String.endswith('\n'):
 701                 HelpText.String = HelpText.String[0: len(HelpText.String) - len('\n')]
 702                 List.extend(HelpText.String.split('\n'))
 703     return List
 704
 705 ## Get String Array Length
 706 #
 707 # Get String Array Length
 708 #
 709 # @param String: the source string
 710 #
 711 def StringArrayLength(String):
 712     if isinstance(String, unicode):
 713         return (len(String) + 1) * 2 + 1
 714     elif String.startswith('L"'):
 715         return (len(String) - 3 + 1) * 2
 716     elif String.startswith('"'):
 717         return (len(String) - 2 + 1)
 718     else:
 719         return len(String.split()) + 1
 720
 721 ## RemoveDupOption
 722 #
 723 # Remove Dup Option
 724 #
 725 # @param OptionString: the option string
 726 # @param Which: Which flag
 727 # @param Against: Against flag
 728 #
 729 def RemoveDupOption(OptionString, Which="/I", Against=None):
 730     OptionList = OptionString.split()
 731     ValueList = []
 732     if Against:
 733         ValueList += Against
 734     for Index in range(len(OptionList)):
 735         Opt = OptionList[Index]
 736         if not Opt.startswith(Which):
 737             continue
 738         if len(Opt) > len(Which):
 739             Val = Opt[len(Which):]
 740         else:
 741             Val = ""
 742         if Val in ValueList:
 743             OptionList[Index] = ""
 744         else:
 745             ValueList.append(Val)
 746     return " ".join(OptionList)
 747
 748 ## Check if the string is HexDgit
 749 #
 750 # Return true if all characters in the string are digits and there is at
 751 # least one character
 752 # or valid Hexs (started with 0x, following by hexdigit letters)
 753 # , false otherwise.
 754 # @param string: input string
 755 #
 756 def IsHexDigit(Str):
 757     try:
 758         int(Str, 10)
 759         return True
 760     except ValueError:
 761         if len(Str) > 2 and Str.upper().startswith('0X'):
 762             try:
 763                 int(Str, 16)
 764                 return True
 765             except ValueError:
 766                 return False
 767     return False
 768
 769 ## Check if the string is HexDgit and its interger value within limit of UINT32
 770 #
 771 # Return true if all characters in the string are digits and there is at
 772 # least one character
 773 # or valid Hexs (started with 0x, following by hexdigit letters)
 774 # , false otherwise.
 775 # @param string: input string
 776 #
 777 def IsHexDigitUINT32(Str):
 778     try:
 779         Value = int(Str, 10)
 780         if (Value <= 0xFFFFFFFF) and (Value >= 0):
 781             return True
 782     except ValueError:
 783         if len(Str) > 2 and Str.upper().startswith('0X'):
 784             try:
 785                 Value = int(Str, 16)
 786                 if (Value <= 0xFFFFFFFF) and (Value >= 0):
 787                     return True
 788             except ValueError:
 789                 return False
 790     return False
 791
 792 ## CleanSpecialChar
 793 #
 794 # The ASCII text files of type INF, DEC, INI are edited by developers,
 795 # and may contain characters that cannot be directly translated to strings that
 796 # are conformant with the UDP XML Schema.  Any characters in this category
 797 # (0x00-0x08, TAB [0x09], 0x0B, 0x0C, 0x0E-0x1F, 0x80-0xFF)
 798 # must be converted to a space character[0x20] as part of the parsing process.
 799 #
 800 def ConvertSpecialChar(Lines):
 801     RetLines = []
 802     for line in Lines:
 803         ReMatchSpecialChar = re.compile(r"[\x00-\x08]|\x09|\x0b|\x0c|[\x0e-\x1f]|[\x7f-\xff]")
 804         RetLines.append(ReMatchSpecialChar.sub(' ', line))
 805
 806     return RetLines
 807
 808 ## __GetTokenList
 809 #
 810 # Assume Str is a valid feature flag expression.
 811 # Return a list which contains tokens: alpha numeric token and other token
 812 # Whitespace are not stripped
 813 #
 814 def __GetTokenList(Str):
 815     InQuote = False
 816     Token = ''
 817     TokenOP = ''
 818     PreChar = ''
 819     List = []
 820     for Char in Str:
 821         if InQuote:
 822             Token += Char
 823             if Char == '"' and PreChar != '\\':
 824                 InQuote = not InQuote
 825                 List.append(Token)
 826                 Token = ''
 827             continue
 828         if Char == '"':
 829             if Token and Token != 'L':
 830                 List.append(Token)
 831                 Token = ''
 832             if TokenOP:
 833                 List.append(TokenOP)
 834                 TokenOP = ''
 835             InQuote = not InQuote
 836             Token += Char
 837             continue
 838
 839         if not (Char.isalnum() or Char in '_'):
 840             TokenOP += Char
 841             if Token:
 842                 List.append(Token)
 843                 Token = ''
 844         else:
 845             Token += Char
 846             if TokenOP:
 847                 List.append(TokenOP)
 848                 TokenOP = ''
 849
 850         if PreChar == '\\' and Char == '\\':
 851             PreChar = ''
 852         else:
 853             PreChar = Char
 854     if Token:
 855         List.append(Token)
 856     if TokenOP:
 857         List.append(TokenOP)
 858     return List
 859
 860 ## ConvertNEToNOTEQ
 861 #
 862 # Convert NE operator to NOT EQ
 863 # For example: 1 NE 2 -> 1 NOT EQ 2
 864 #
 865 # @param Expr: Feature flag expression to be converted
 866 #
 867 def ConvertNEToNOTEQ(Expr):
 868     List = __GetTokenList(Expr)
 869     for Index in range(len(List)):
 870         if List[Index] == 'NE':
 871             List[Index] = 'NOT EQ'
 872     return ''.join(List)
 873
 874 ## ConvertNOTEQToNE
 875 #
 876 # Convert NOT EQ operator to NE
 877 # For example: 1 NOT NE 2 -> 1 NE 2
 878 #
 879 # @param Expr: Feature flag expression to be converted
 880 #
 881 def ConvertNOTEQToNE(Expr):
 882     List = __GetTokenList(Expr)
 883     HasNOT = False
 884     RetList = []
 885     for Token in List:
 886         if HasNOT and Token == 'EQ':
 887             # At least, 'NOT' is in the list
 888             while not RetList[-1].strip():
 889                 RetList.pop()
 890             RetList[-1] = 'NE'
 891             HasNOT = False
 892             continue
 893         if Token == 'NOT':
 894             HasNOT = True
 895         elif Token.strip():
 896             HasNOT = False
 897         RetList.append(Token)
 898
 899     return ''.join(RetList)
 900
 901 ## SplitPcdEntry
 902 #
 903 # Split an PCD entry string to Token.CName and PCD value and FFE.
 904 # NOTE: PCD Value and FFE can contain "|" in it's expression. And in INF specification, have below rule.
 905 # When using the characters "|" or "||" in an expression, the expression must be encapsulated in
 906 # open "(" and close ")" parenthesis.
 907 #
 908 # @param String    An PCD entry string need to be split.
 909 #
 910 # @return List     [PcdTokenCName, Value, FFE]
 911 #
 912 def SplitPcdEntry(String):
 913     if not String:
 914         return ['', '',''], False
 915
 916     PcdTokenCName = ''
 917     PcdValue = ''
 918     PcdFeatureFlagExp = ''
 919
 920     ValueList = GetSplitValueList(String, "|", 1)
 921
 922     #
 923     # Only contain TokenCName
 924     #
 925     if len(ValueList) == 1:
 926         return [ValueList[0]], True
 927
 928     NewValueList = []
 929
 930     if len(ValueList) == 2:
 931         PcdTokenCName = ValueList[0]
 932         ValueList = GetSplitValueList(ValueList[1], "|")
 933
 934         RemainCount = 0
 935         for Item in ValueList:
 936             ParenthesisCount = 0
 937             for Char in Item:
 938                 if Char == "(":
 939                     ParenthesisCount += 1
 940                 if Char == ")":
 941                     ParenthesisCount -= 1
 942
 943             #
 944             # An individual item
 945             #
 946             if RemainCount == 0 and ParenthesisCount >= 0:
 947                 NewValueList.append(Item)
 948                 RemainCount = ParenthesisCount
 949             elif RemainCount > 0 and RemainCount + ParenthesisCount >= 0:
 950                 NewValueList[-1] = NewValueList[-1] + '|' + Item
 951                 RemainCount = RemainCount + ParenthesisCount
 952             elif RemainCount > 0 and RemainCount + ParenthesisCount < 0:
 953                 #
 954                 # ERROR, return
 955                 #
 956                 return ['', '', ''], False
 957
 958         if len(NewValueList) == 1:
 959             PcdValue = NewValueList[0]
 960             return [PcdTokenCName, PcdValue], True
 961         elif len(NewValueList) == 2:
 962             PcdValue = NewValueList[0]
 963             PcdFeatureFlagExp = NewValueList[1]
 964             return [PcdTokenCName, PcdValue, PcdFeatureFlagExp], True
 965         else:
 966             return ['', '', ''], False
 967
 968     return ['', '', ''], False