BaseTools/Source/Python/Common/String.py

   1 ## @file
   2 # This file is used to define common string related functions used in parsing process
   3 #
   4 # Copyright (c) 2007 - 2008, 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 ##
  15 # Import Modules
  16 #
  17 import re
  18 import DataType
  19 import os.path
  20 import string
  21 import EdkLogger as EdkLogger
  22
  23 from GlobalData import *
  24 from BuildToolError import *
  25
  26 ## GetSplitValueList
  27 #
  28 # Get a value list from a string with multiple values splited with SplitTag
  29 # The default SplitTag is DataType.TAB_VALUE_SPLIT
  30 # 'AAA|BBB|CCC' -> ['AAA', 'BBB', 'CCC']
  31 #
  32 # @param String:    The input string to be splitted
  33 # @param SplitTag:  The split key, default is DataType.TAB_VALUE_SPLIT
  34 # @param MaxSplit:  The max number of split values, default is -1
  35 #
  36 # @retval list() A list for splitted string
  37 #
  38 def GetSplitValueList(String, SplitTag = DataType.TAB_VALUE_SPLIT, MaxSplit = -1):
  39     return map(lambda l: l.strip(), String.split(SplitTag, MaxSplit))
  40
  41 ## MergeArches
  42 #
  43 # Find a key's all arches in dict, add the new arch to the list
  44 # If not exist any arch, set the arch directly
  45 #
  46 # @param Dict:  The input value for Dict
  47 # @param Key:   The input value for Key
  48 # @param Arch:  The Arch to be added or merged
  49 #
  50 def MergeArches(Dict, Key, Arch):
  51     if Key in Dict.keys():
  52         Dict[Key].append(Arch)
  53     else:
  54         Dict[Key] = Arch.split()
  55
  56 ## GenDefines
  57 #
  58 # Parse a string with format "DEFINE <VarName> = <PATH>"
  59 # Generate a map Defines[VarName] = PATH
  60 # Return False if invalid format
  61 #
  62 # @param String:   String with DEFINE statement
  63 # @param Arch:     Supportted Arch
  64 # @param Defines:  DEFINE statement to be parsed
  65 #
  66 # @retval 0   DEFINE statement found, and valid
  67 # @retval 1   DEFINE statement found, but not valid
  68 # @retval -1  DEFINE statement not found
  69 #
  70 def GenDefines(String, Arch, Defines):
  71     if String.find(DataType.TAB_DEFINE + ' ') > -1:
  72         List = String.replace(DataType.TAB_DEFINE + ' ', '').split(DataType.TAB_EQUAL_SPLIT)
  73         if len(List) == 2:
  74             Defines[(CleanString(List[0]), Arch)] = CleanString(List[1])
  75             return 0
  76         else:
  77             return -1
  78
  79     return 1
  80
  81 ## GenInclude
  82 #
  83 # Parse a string with format "!include <Filename>"
  84 # Return the file path
  85 # Return False if invalid format or NOT FOUND
  86 #
  87 # @param String:        String with INCLUDE statement
  88 # @param IncludeFiles:  INCLUDE statement to be parsed
  89 # @param Arch:          Supportted Arch
  90 #
  91 # @retval True
  92 # @retval False
  93 #
  94 def GenInclude(String, IncludeFiles, Arch):
  95     if String.upper().find(DataType.TAB_INCLUDE.upper() + ' ') > -1:
  96         IncludeFile = CleanString(String[String.upper().find(DataType.TAB_INCLUDE.upper() + ' ') + len(DataType.TAB_INCLUDE + ' ') : ])
  97         MergeArches(IncludeFiles, IncludeFile, Arch)
  98         return True
  99     else:
 100         return False
 101
 102 ## GetLibraryClassesWithModuleType
 103 #
 104 # Get Library Class definition when no module type defined
 105 #
 106 # @param Lines:             The content to be parsed
 107 # @param Key:               Reserved
 108 # @param KeyValues:         To store data after parsing
 109 # @param CommentCharacter:  Comment char, used to ignore comment content
 110 #
 111 # @retval True Get library classes successfully
 112 #
 113 def GetLibraryClassesWithModuleType(Lines, Key, KeyValues, CommentCharacter):
 114     newKey = SplitModuleType(Key)
 115     Lines = Lines.split(DataType.TAB_SECTION_END, 1)[1]
 116     LineList = Lines.splitlines()
 117     for Line in LineList:
 118         Line = CleanString(Line, CommentCharacter)
 119         if Line != '' and Line[0] != CommentCharacter:
 120             KeyValues.append([CleanString(Line, CommentCharacter), newKey[1]])
 121
 122     return True
 123
 124 ## GetDynamics
 125 #
 126 # Get Dynamic Pcds
 127 #
 128 # @param Lines:             The content to be parsed
 129 # @param Key:               Reserved
 130 # @param KeyValues:         To store data after parsing
 131 # @param CommentCharacter:  Comment char, used to ignore comment content
 132 #
 133 # @retval True Get Dynamic Pcds successfully
 134 #
 135 def GetDynamics(Lines, Key, KeyValues, CommentCharacter):
 136     #
 137     # Get SkuId Name List
 138     #
 139     SkuIdNameList = SplitModuleType(Key)
 140
 141     Lines = Lines.split(DataType.TAB_SECTION_END, 1)[1]
 142     LineList = Lines.splitlines()
 143     for Line in LineList:
 144         Line = CleanString(Line, CommentCharacter)
 145         if Line != '' and Line[0] != CommentCharacter:
 146             KeyValues.append([CleanString(Line, CommentCharacter), SkuIdNameList[1]])
 147
 148     return True
 149
 150 ## SplitModuleType
 151 #
 152 # Split ModuleType out of section defien to get key
 153 # [LibraryClass.Arch.ModuleType|ModuleType|ModuleType] -> [ 'LibraryClass.Arch', ['ModuleType', 'ModuleType', 'ModuleType'] ]
 154 #
 155 # @param Key:  String to be parsed
 156 #
 157 # @retval ReturnValue A list for module types
 158 #
 159 def SplitModuleType(Key):
 160     KeyList = Key.split(DataType.TAB_SPLIT)
 161     #
 162     # Fill in for arch
 163     #
 164     KeyList.append('')
 165     #
 166     # Fill in for moduletype
 167     #
 168     KeyList.append('')
 169     ReturnValue = []
 170     KeyValue = KeyList[0]
 171     if KeyList[1] != '':
 172         KeyValue = KeyValue + DataType.TAB_SPLIT + KeyList[1]
 173     ReturnValue.append(KeyValue)
 174     ReturnValue.append(GetSplitValueList(KeyList[2]))
 175
 176     return ReturnValue
 177
 178 ## Replace macro in strings list
 179 #
 180 # This method replace macros used in a given string list. The macros are
 181 # given in a dictionary.
 182 #
 183 # @param StringList         StringList to be processed
 184 # @param MacroDefinitions   The macro definitions in the form of dictionary
 185 # @param SelfReplacement    To decide whether replace un-defined macro to ''
 186 #
 187 # @retval NewList           A new string list whose macros are replaced
 188 #
 189 def ReplaceMacros(StringList, MacroDefinitions={}, SelfReplacement = False):
 190     NewList = []
 191     for String in StringList:
 192         if type(String) == type(''):
 193             NewList.append(ReplaceMacro(String, MacroDefinitions, SelfReplacement))
 194         else:
 195             NewList.append(String)
 196
 197     return NewList
 198
 199 ## Replace macro in string
 200 #
 201 # This method replace macros used in given string. The macros are given in a
 202 # dictionary.
 203 #
 204 # @param String             String to be processed
 205 # @param MacroDefinitions   The macro definitions in the form of dictionary
 206 # @param SelfReplacement    To decide whether replace un-defined macro to ''
 207 #
 208 # @retval string            The string whose macros are replaced
 209 #
 210 def ReplaceMacro(String, MacroDefinitions={}, SelfReplacement = False):
 211     LastString = String
 212     while MacroDefinitions:
 213         MacroUsed = gMacroPattern.findall(String)
 214         # no macro found in String, stop replacing
 215         if len(MacroUsed) == 0:
 216             break
 217
 218         for Macro in MacroUsed:
 219             if Macro not in MacroDefinitions:
 220                 if SelfReplacement:
 221                     String = String.replace("$(%s)" % Macro, '')
 222                 continue
 223             String = String.replace("$(%s)" % Macro, MacroDefinitions[Macro])
 224         # in case there's macro not defined
 225         if String == LastString:
 226             break
 227         LastString = String
 228
 229     return String
 230
 231 ## NormPath
 232 #
 233 # Create a normal path
 234 # And replace DFEINE in the path
 235 #
 236 # @param Path:     The input value for Path to be converted
 237 # @param Defines:  A set for DEFINE statement
 238 #
 239 # @retval Path Formatted path
 240 #
 241 def NormPath(Path, Defines = {}):
 242     IsRelativePath = False
 243     if Path:
 244         if Path[0] == '.':
 245             IsRelativePath = True
 246         #
 247         # Replace with Define
 248         #
 249         if Defines:
 250             Path = ReplaceMacro(Path, Defines)
 251         #
 252         # To local path format
 253         #
 254         Path = os.path.normpath(Path)
 255
 256     if IsRelativePath and Path[0] != '.':
 257         Path = os.path.join('.', Path)
 258
 259     return Path
 260
 261 ## CleanString
 262 #
 263 # Remove comments in a string
 264 # Remove spaces
 265 #
 266 # @param Line:              The string to be cleaned
 267 # @param CommentCharacter:  Comment char, used to ignore comment content, default is DataType.TAB_COMMENT_SPLIT
 268 #
 269 # @retval Path Formatted path
 270 #
 271 def CleanString(Line, CommentCharacter = DataType.TAB_COMMENT_SPLIT, AllowCppStyleComment=False):
 272     #
 273     # remove whitespace
 274     #
 275     Line = Line.strip();
 276     #
 277     # Replace R8's comment character
 278     #
 279     if AllowCppStyleComment:
 280         Line = Line.replace(DataType.TAB_COMMENT_R8_SPLIT, CommentCharacter)
 281     #
 282     # remove comments, but we should escape comment character in string
 283     #
 284     InString = False
 285     for Index in range(0, len(Line)):
 286         if Line[Index] == '"':
 287             InString = not InString
 288         elif Line[Index] == CommentCharacter and not InString:
 289             Line = Line[0: Index]
 290             break
 291
 292     #
 293     # remove whitespace again
 294     #
 295     Line = Line.strip();
 296
 297     return Line
 298
 299 ## GetMultipleValuesOfKeyFromLines
 300 #
 301 # Parse multiple strings to clean comment and spaces
 302 # The result is saved to KeyValues
 303 #
 304 # @param Lines:             The content to be parsed
 305 # @param Key:               Reserved
 306 # @param KeyValues:         To store data after parsing
 307 # @param CommentCharacter:  Comment char, used to ignore comment content
 308 #
 309 # @retval True Successfully executed
 310 #
 311 def GetMultipleValuesOfKeyFromLines(Lines, Key, KeyValues, CommentCharacter):
 312     Lines = Lines.split(DataType.TAB_SECTION_END, 1)[1]
 313     LineList = Lines.split('\n')
 314     for Line in LineList:
 315         Line = CleanString(Line, CommentCharacter)
 316         if Line != '' and Line[0] != CommentCharacter:
 317             KeyValues += [Line]
 318
 319     return True
 320
 321 ## GetDefineValue
 322 #
 323 # Parse a DEFINE statement to get defined value
 324 # DEFINE Key Value
 325 #
 326 # @param String:            The content to be parsed
 327 # @param Key:               The key of DEFINE statement
 328 # @param CommentCharacter:  Comment char, used to ignore comment content
 329 #
 330 # @retval string The defined value
 331 #
 332 def GetDefineValue(String, Key, CommentCharacter):
 333     String = CleanString(String)
 334     return String[String.find(Key + ' ') + len(Key + ' ') : ]
 335
 336 ## GetSingleValueOfKeyFromLines
 337 #
 338 # Parse multiple strings as below to get value of each definition line
 339 # Key1 = Value1
 340 # Key2 = Value2
 341 # The result is saved to Dictionary
 342 #
 343 # @param Lines:                The content to be parsed
 344 # @param Dictionary:           To store data after parsing
 345 # @param CommentCharacter:     Comment char, be used to ignore comment content
 346 # @param KeySplitCharacter:    Key split char, between key name and key value. Key1 = Value1, '=' is the key split char
 347 # @param ValueSplitFlag:       Value split flag, be used to decide if has multiple values
 348 # @param ValueSplitCharacter:  Value split char, be used to split multiple values. Key1 = Value1|Value2, '|' is the value split char
 349 #
 350 # @retval True Successfully executed
 351 #
 352 def GetSingleValueOfKeyFromLines(Lines, Dictionary, CommentCharacter, KeySplitCharacter, ValueSplitFlag, ValueSplitCharacter):
 353     Lines = Lines.split('\n')
 354     Keys = []
 355     Value = ''
 356     DefineValues = ['']
 357     SpecValues = ['']
 358
 359     for Line in Lines:
 360         #
 361         # Handle DEFINE and SPEC
 362         #
 363         if Line.find(DataType.TAB_INF_DEFINES_DEFINE + ' ') > -1:
 364             if '' in DefineValues:
 365                 DefineValues.remove('')
 366             DefineValues.append(GetDefineValue(Line, DataType.TAB_INF_DEFINES_DEFINE, CommentCharacter))
 367             continue
 368         if Line.find(DataType.TAB_INF_DEFINES_SPEC + ' ') > -1:
 369             if '' in SpecValues:
 370                 SpecValues.remove('')
 371             SpecValues.append(GetDefineValue(Line, DataType.TAB_INF_DEFINES_SPEC, CommentCharacter))
 372             continue
 373
 374         #
 375         # Handle Others
 376         #
 377         LineList = Line.split(KeySplitCharacter, 1)
 378         if len(LineList) >= 2:
 379             Key = LineList[0].split()
 380             if len(Key) == 1 and Key[0][0] != CommentCharacter:
 381                 #
 382                 # Remove comments and white spaces
 383                 #
 384                 LineList[1] = CleanString(LineList[1], CommentCharacter)
 385                 if ValueSplitFlag:
 386                     Value = map(string.strip, LineList[1].split(ValueSplitCharacter))
 387                 else:
 388                     Value = CleanString(LineList[1], CommentCharacter).splitlines()
 389
 390                 if Key[0] in Dictionary:
 391                     if Key[0] not in Keys:
 392                         Dictionary[Key[0]] = Value
 393                         Keys.append(Key[0])
 394                     else:
 395                         Dictionary[Key[0]].extend(Value)
 396                 else:
 397                     Dictionary[DataType.TAB_INF_DEFINES_MACRO][Key[0]] = Value[0]
 398
 399     if DefineValues == []:
 400         DefineValues = ['']
 401     if SpecValues == []:
 402         SpecValues = ['']
 403     Dictionary[DataType.TAB_INF_DEFINES_DEFINE] = DefineValues
 404     Dictionary[DataType.TAB_INF_DEFINES_SPEC] = SpecValues
 405
 406     return True
 407
 408 ## The content to be parsed
 409 #
 410 # Do pre-check for a file before it is parsed
 411 # Check $()
 412 # Check []
 413 #
 414 # @param FileName:       Used for error report
 415 # @param FileContent:    File content to be parsed
 416 # @param SupSectionTag:  Used for error report
 417 #
 418 def PreCheck(FileName, FileContent, SupSectionTag):
 419     LineNo = 0
 420     IsFailed = False
 421     NewFileContent = ''
 422     for Line in FileContent.splitlines():
 423         LineNo = LineNo + 1
 424         #
 425         # Clean current line
 426         #
 427         Line = CleanString(Line)
 428
 429         #
 430         # Remove commented line
 431         #
 432         if Line.find(DataType.TAB_COMMA_SPLIT) == 0:
 433             Line = ''
 434         #
 435         # Check $()
 436         #
 437         if Line.find('$') > -1:
 438             if Line.find('$(') < 0 or Line.find(')') < 0:
 439                 EdkLogger.error("Parser", FORMAT_INVALID, Line=LineNo, File=FileName, RaiseError = EdkLogger.IsRaiseError)
 440
 441         #
 442         # Check []
 443         #
 444         if Line.find('[') > -1 or Line.find(']') > -1:
 445             #
 446             # Only get one '[' or one ']'
 447             #
 448             if not (Line.find('[') > -1 and Line.find(']') > -1):
 449                 EdkLogger.error("Parser", FORMAT_INVALID, Line=LineNo, File=FileName, RaiseError = EdkLogger.IsRaiseError)
 450
 451         #
 452         # Regenerate FileContent
 453         #
 454         NewFileContent = NewFileContent + Line + '\r\n'
 455
 456     if IsFailed:
 457        EdkLogger.error("Parser", FORMAT_INVALID, Line=LineNo, File=FileName, RaiseError = EdkLogger.IsRaiseError)
 458
 459     return NewFileContent
 460
 461 ## CheckFileType
 462 #
 463 # Check if the Filename is including ExtName
 464 # Return True if it exists
 465 # Raise a error message if it not exists
 466 #
 467 # @param CheckFilename:      Name of the file to be checked
 468 # @param ExtName:            Ext name of the file to be checked
 469 # @param ContainerFilename:  The container file which describes the file to be checked, used for error report
 470 # @param SectionName:        Used for error report
 471 # @param Line:               The line in container file which defines the file to be checked
 472 #
 473 # @retval True The file type is correct
 474 #
 475 def CheckFileType(CheckFilename, ExtName, ContainerFilename, SectionName, Line, LineNo = -1):
 476     if CheckFilename != '' and CheckFilename != None:
 477         (Root, Ext) = os.path.splitext(CheckFilename)
 478         if Ext.upper() != ExtName.upper():
 479             ContainerFile = open(ContainerFilename, 'r').read()
 480             if LineNo == -1:
 481                 LineNo = GetLineNo(ContainerFile, Line)
 482             ErrorMsg = "Invalid %s. '%s' is found, but '%s' file is needed" % (SectionName, CheckFilename, ExtName)
 483             EdkLogger.error("Parser", PARSER_ERROR, ErrorMsg, Line=LineNo,
 484                             File=ContainerFilename, RaiseError = EdkLogger.IsRaiseError)
 485
 486     return True
 487
 488 ## CheckFileExist
 489 #
 490 # Check if the file exists
 491 # Return True if it exists
 492 # Raise a error message if it not exists
 493 #
 494 # @param CheckFilename:      Name of the file to be checked
 495 # @param WorkspaceDir:       Current workspace dir
 496 # @param ContainerFilename:  The container file which describes the file to be checked, used for error report
 497 # @param SectionName:        Used for error report
 498 # @param Line:               The line in container file which defines the file to be checked
 499 #
 500 # @retval The file full path if the file exists
 501 #
 502 def CheckFileExist(WorkspaceDir, CheckFilename, ContainerFilename, SectionName, Line, LineNo = -1):
 503     CheckFile = ''
 504     if CheckFilename != '' and CheckFilename != None:
 505         CheckFile = WorkspaceFile(WorkspaceDir, CheckFilename)
 506         if not os.path.isfile(CheckFile):
 507             ContainerFile = open(ContainerFilename, 'r').read()
 508             if LineNo == -1:
 509                 LineNo = GetLineNo(ContainerFile, Line)
 510             ErrorMsg = "Can't find file '%s' defined in section '%s'" % (CheckFile, SectionName)
 511             EdkLogger.error("Parser", PARSER_ERROR, ErrorMsg,
 512                             File=ContainerFilename, Line = LineNo, RaiseError = EdkLogger.IsRaiseError)
 513
 514     return CheckFile
 515
 516 ## GetLineNo
 517 #
 518 # Find the index of a line in a file
 519 #
 520 # @param FileContent:  Search scope
 521 # @param Line:         Search key
 522 #
 523 # @retval int  Index of the line
 524 # @retval -1     The line is not found
 525 #
 526 def GetLineNo(FileContent, Line, IsIgnoreComment = True):
 527     LineList = FileContent.splitlines()
 528     for Index in range(len(LineList)):
 529         if LineList[Index].find(Line) > -1:
 530             #
 531             # Ignore statement in comment
 532             #
 533             if IsIgnoreComment:
 534                 if LineList[Index].strip()[0] == DataType.TAB_COMMENT_SPLIT:
 535                     continue
 536             return Index + 1
 537
 538     return -1
 539
 540 ## RaiseParserError
 541 #
 542 # Raise a parser error
 543 #
 544 # @param Line:     String which has error
 545 # @param Section:  Used for error report
 546 # @param File:     File which has the string
 547 # @param Format:   Correct format
 548 #
 549 def RaiseParserError(Line, Section, File, Format = '', LineNo = -1):
 550     if LineNo == -1:
 551         LineNo = GetLineNo(open(os.path.normpath(File), 'r').read(), Line)
 552     ErrorMsg = "Invalid statement '%s' is found in section '%s'" % (Line, Section)
 553     if Format != '':
 554         Format = "Correct format is " + Format
 555     EdkLogger.error("Parser", PARSER_ERROR, ErrorMsg, File=File, Line=LineNo, ExtraData=Format, RaiseError = EdkLogger.IsRaiseError)
 556
 557 ## WorkspaceFile
 558 #
 559 # Return a full path with workspace dir
 560 #
 561 # @param WorkspaceDir:  Workspace dir
 562 # @param Filename:      Relative file name
 563 #
 564 # @retval string A full path
 565 #
 566 def WorkspaceFile(WorkspaceDir, Filename):
 567     return os.path.join(NormPath(WorkspaceDir), NormPath(Filename))
 568
 569 ## Split string
 570 #
 571 # Revmove '"' which startswith and endswith string
 572 #
 573 # @param String:  The string need to be splited
 574 #
 575 # @retval String: The string after removed '""'
 576 #
 577 def SplitString(String):
 578     if String.startswith('\"'):
 579         String = String[1:]
 580     if String.endswith('\"'):
 581         String = String[:-1]
 582
 583     return String
 584
 585 ## Convert To Sql String
 586 #
 587 # 1. Replace "'" with "''" in each item of StringList
 588 #
 589 # @param StringList:  A list for strings to be converted
 590 #
 591 def ConvertToSqlString(StringList):
 592     return map(lambda s: s.replace("'", "''") , StringList)
 593
 594 ## Convert To Sql String
 595 #
 596 # 1. Replace "'" with "''" in the String
 597 #
 598 # @param String:  A String to be converted
 599 #
 600 def ConvertToSqlString2(String):
 601     return String.replace("'", "''")
 602
 603 #
 604 # Remove comment block
 605 #
 606 def RemoveBlockComment(Lines):
 607     IsFindBlockComment = False
 608     IsFindBlockCode = False
 609     ReservedLine = ''
 610     NewLines = []
 611
 612     for Line in Lines:
 613         Line = Line.strip()
 614         #
 615         # Remove comment block
 616         #
 617         if Line.find(DataType.TAB_COMMENT_R8_START) > -1:
 618             ReservedLine = GetSplitValueList(Line, DataType.TAB_COMMENT_R8_START, 1)[0]
 619             IsFindBlockComment = True
 620         if Line.find(DataType.TAB_COMMENT_R8_END) > -1:
 621             Line = ReservedLine + GetSplitValueList(Line, DataType.TAB_COMMENT_R8_END, 1)[1]
 622             ReservedLine = ''
 623             IsFindBlockComment = False
 624         if IsFindBlockComment:
 625             NewLines.append('')
 626             continue
 627
 628         NewLines.append(Line)
 629     return NewLines
 630
 631 #
 632 # Get String of a List
 633 #
 634 def GetStringOfList(List, Split = ' '):
 635     if type(List) != type([]):
 636         return List
 637     Str = ''
 638     for Item in List:
 639         Str = Str + Item + Split
 640
 641     return Str.strip()
 642
 643 #
 644 # Get HelpTextList from HelpTextClassList
 645 #
 646 def GetHelpTextList(HelpTextClassList):
 647     List = []
 648     if HelpTextClassList:
 649         for HelpText in HelpTextClassList:
 650             if HelpText.String.endswith('\n'):
 651                 HelpText.String = HelpText.String[0: len(HelpText.String) - len('\n')]
 652                 List.extend(HelpText.String.split('\n'))
 653
 654     return List
 655
 656 def StringToArray(String):
 657     if isinstance(String, unicode):
 658         if len(unicode) ==0:
 659             return "{0x00, 0x00}"
 660         return "{%s, 0x00, 0x00}" % ", ".join(["0x%02x, 0x00" % ord(C) for C in String])
 661     elif String.startswith('L"'):
 662         if String == "L\"\"":
 663             return "{0x00, 0x00}"
 664         else:
 665             return "{%s, 0x00, 0x00}" % ", ".join(["0x%02x, 0x00" % ord(C) for C in String[2:-1]])
 666     elif String.startswith('"'):
 667         if String == "\"\"":
 668             return "{0x00}";
 669         else:
 670             return "{%s, 0x00}" % ", ".join(["0x%02x" % ord(C) for C in String[1:-1]])
 671     else:
 672         return '{%s, 0}' % ', '.join(String.split())
 673
 674 def StringArrayLength(String):
 675     if isinstance(String, unicode):
 676         return (len(String) + 1) * 2 + 1;
 677     elif String.startswith('L"'):
 678         return (len(String) - 3 + 1) * 2
 679     elif String.startswith('"'):
 680         return (len(String) - 2 + 1)
 681     else:
 682         return len(String.split()) + 1
 683
 684 def RemoveDupOption(OptionString, Which="/I", Against=None):
 685     OptionList = OptionString.split()
 686     ValueList = []
 687     if Against:
 688         ValueList += Against
 689     for Index in range(len(OptionList)):
 690         Opt = OptionList[Index]
 691         if not Opt.startswith(Which):
 692             continue
 693         if len(Opt) > len(Which):
 694             Val = Opt[len(Which):]
 695         else:
 696             Val = ""
 697         if Val in ValueList:
 698             OptionList[Index] = ""
 699         else:
 700             ValueList.append(Val)
 701     return " ".join(OptionList)
 702
 703 ##
 704 #
 705 # This acts like the main() function for the script, unless it is 'import'ed into another
 706 # script.
 707 #
 708 if __name__ == '__main__':
 709     pass
 710