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

940 lines
30 KiB
Python

## @file
# This file is used to define common string related functions used in parsing
# process
#
# Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
#
# This program and the accompanying materials are licensed and made available
# under the terms and conditions of the BSD License which accompanies this
# distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
'''
String
'''
##
# Import Modules
#
import re
import os.path
from string import strip
import Logger.Log as Logger
import Library.DataType as DataType
from Logger.ToolError import FORMAT_INVALID
from Logger.ToolError import PARSER_ERROR
from Logger import StringTable as ST
#
# Regular expression for matching macro used in DSC/DEC/INF file inclusion
#
gMACRO_PATTERN = re.compile("\$\(([_A-Z][_A-Z0-9]*)\)", re.UNICODE)
## GetSplitValueList
#
# Get a value list from a string with multiple values splited with SplitTag
# The default SplitTag is DataType.TAB_VALUE_SPLIT
# 'AAA|BBB|CCC' -> ['AAA', 'BBB', 'CCC']
#
# @param String: The input string to be splitted
# @param SplitTag: The split key, default is DataType.TAB_VALUE_SPLIT
# @param MaxSplit: The max number of split values, default is -1
#
#
def GetSplitValueList(String, SplitTag=DataType.TAB_VALUE_SPLIT, MaxSplit=-1):
return map(lambda l: l.strip(), String.split(SplitTag, MaxSplit))
## MergeArches
#
# Find a key's all arches in dict, add the new arch to the list
# If not exist any arch, set the arch directly
#
# @param Dict: The input value for Dict
# @param Key: The input value for Key
# @param Arch: The Arch to be added or merged
#
def MergeArches(Dict, Key, Arch):
if Key in Dict.keys():
Dict[Key].append(Arch)
else:
Dict[Key] = Arch.split()
## GenDefines
#
# Parse a string with format "DEFINE <VarName> = <PATH>"
# Generate a map Defines[VarName] = PATH
# Return False if invalid format
#
# @param String: String with DEFINE statement
# @param Arch: Supportted Arch
# @param Defines: DEFINE statement to be parsed
#
def GenDefines(String, Arch, Defines):
if String.find(DataType.TAB_DEFINE + ' ') > -1:
List = String.replace(DataType.TAB_DEFINE + ' ', '').\
split(DataType.TAB_EQUAL_SPLIT)
if len(List) == 2:
Defines[(CleanString(List[0]), Arch)] = CleanString(List[1])
return 0
else:
return -1
return 1
## GetLibraryClassesWithModuleType
#
# Get Library Class definition when no module type defined
#
# @param Lines: The content to be parsed
# @param Key: Reserved
# @param KeyValues: To store data after parsing
# @param CommentCharacter: Comment char, used to ignore comment content
#
def GetLibraryClassesWithModuleType(Lines, Key, KeyValues, CommentCharacter):
NewKey = SplitModuleType(Key)
Lines = Lines.split(DataType.TAB_SECTION_END, 1)[1]
LineList = Lines.splitlines()
for Line in LineList:
Line = CleanString(Line, CommentCharacter)
if Line != '' and Line[0] != CommentCharacter:
KeyValues.append([CleanString(Line, CommentCharacter), NewKey[1]])
return True
## GetDynamics
#
# Get Dynamic Pcds
#
# @param Lines: The content to be parsed
# @param Key: Reserved
# @param KeyValues: To store data after parsing
# @param CommentCharacter: Comment char, used to ignore comment content
#
def GetDynamics(Lines, Key, KeyValues, CommentCharacter):
#
# Get SkuId Name List
#
SkuIdNameList = SplitModuleType(Key)
Lines = Lines.split(DataType.TAB_SECTION_END, 1)[1]
LineList = Lines.splitlines()
for Line in LineList:
Line = CleanString(Line, CommentCharacter)
if Line != '' and Line[0] != CommentCharacter:
KeyValues.append([CleanString(Line, CommentCharacter), SkuIdNameList[1]])
return True
## SplitModuleType
#
# Split ModuleType out of section defien to get key
# [LibraryClass.Arch.ModuleType|ModuleType|ModuleType] -> [
# 'LibraryClass.Arch', ['ModuleType', 'ModuleType', 'ModuleType'] ]
#
# @param Key: String to be parsed
#
def SplitModuleType(Key):
KeyList = Key.split(DataType.TAB_SPLIT)
#
# Fill in for arch
#
KeyList.append('')
#
# Fill in for moduletype
#
KeyList.append('')
ReturnValue = []
KeyValue = KeyList[0]
if KeyList[1] != '':
KeyValue = KeyValue + DataType.TAB_SPLIT + KeyList[1]
ReturnValue.append(KeyValue)
ReturnValue.append(GetSplitValueList(KeyList[2]))
return ReturnValue
## Replace macro in string
#
# This method replace macros used in given string. The macros are given in a
# dictionary.
#
# @param String String to be processed
# @param MacroDefinitions The macro definitions in the form of dictionary
# @param SelfReplacement To decide whether replace un-defined macro to ''
# @param Line: The content contain line string and line number
# @param FileName: The meta-file file name
#
def ReplaceMacro(String, MacroDefinitions = None, SelfReplacement = False, Line = None, FileName = None, Flag = False):
LastString = String
if MacroDefinitions == None:
MacroDefinitions = {}
while MacroDefinitions:
QuotedStringList = []
HaveQuotedMacroFlag = False
if not Flag:
MacroUsed = gMACRO_PATTERN.findall(String)
else:
ReQuotedString = re.compile('\"')
QuotedStringList = ReQuotedString.split(String)
if len(QuotedStringList) >= 3:
HaveQuotedMacroFlag = True
Count = 0
MacroString = ""
for QuotedStringItem in QuotedStringList:
Count += 1
if Count % 2 != 0:
MacroString += QuotedStringItem
if Count == len(QuotedStringList) and Count%2 == 0:
MacroString += QuotedStringItem
MacroUsed = gMACRO_PATTERN.findall(MacroString)
#
# no macro found in String, stop replacing
#
if len(MacroUsed) == 0:
break
for Macro in MacroUsed:
if Macro not in MacroDefinitions:
if SelfReplacement:
String = String.replace("$(%s)" % Macro, '')
Logger.Debug(5, "Delete undefined MACROs in file %s line %d: %s!" %(FileName, Line[1], Line[0]))
continue
if not HaveQuotedMacroFlag:
String = String.replace("$(%s)" % Macro, MacroDefinitions[Macro])
else:
Count = 0
for QuotedStringItem in QuotedStringList:
Count += 1
if Count % 2 != 0:
QuotedStringList[Count-1] = QuotedStringList[Count-1].replace("$(%s)" % Macro,
MacroDefinitions[Macro])
elif Count == len(QuotedStringList) and Count%2 == 0:
QuotedStringList[Count-1] = QuotedStringList[Count-1].replace("$(%s)" % Macro,
MacroDefinitions[Macro])
RetString = ''
if HaveQuotedMacroFlag:
Count = 0
for QuotedStringItem in QuotedStringList:
Count += 1
if Count != len(QuotedStringList):
RetString += QuotedStringList[Count-1] + "\""
else:
RetString += QuotedStringList[Count-1]
String = RetString
#
# in case there's macro not defined
#
if String == LastString:
break
LastString = String
return String
## NormPath
#
# Create a normal path
# And replace DFEINE in the path
#
# @param Path: The input value for Path to be converted
# @param Defines: A set for DEFINE statement
#
def NormPath(Path, Defines = None):
IsRelativePath = False
if Defines == None:
Defines = {}
if Path:
if Path[0] == '.':
IsRelativePath = True
#
# Replace with Define
#
if Defines:
Path = ReplaceMacro(Path, Defines)
#
# To local path format
#
Path = os.path.normpath(Path)
if IsRelativePath and Path[0] != '.':
Path = os.path.join('.', Path)
return Path
## CleanString
#
# Remove comments in a string
# Remove spaces
#
# @param Line: The string to be cleaned
# @param CommentCharacter: Comment char, used to ignore comment content,
# default is DataType.TAB_COMMENT_SPLIT
#
def CleanString(Line, CommentCharacter=DataType.TAB_COMMENT_SPLIT, AllowCppStyleComment=False):
#
# remove whitespace
#
Line = Line.strip()
#
# Replace EDK1's comment character
#
if AllowCppStyleComment:
Line = Line.replace(DataType.TAB_COMMENT_EDK1_SPLIT, CommentCharacter)
#
# remove comments, but we should escape comment character in string
#
InString = False
for Index in range(0, len(Line)):
if Line[Index] == '"':
InString = not InString
elif Line[Index] == CommentCharacter and not InString:
Line = Line[0: Index]
break
#
# remove whitespace again
#
Line = Line.strip()
return Line
## CleanString2
#
# Split comments in a string
# Remove spaces
#
# @param Line: The string to be cleaned
# @param CommentCharacter: Comment char, used to ignore comment content,
# default is DataType.TAB_COMMENT_SPLIT
#
def CleanString2(Line, CommentCharacter=DataType.TAB_COMMENT_SPLIT, AllowCppStyleComment=False):
#
# remove whitespace
#
Line = Line.strip()
#
# Replace EDK1's comment character
#
if AllowCppStyleComment:
Line = Line.replace(DataType.TAB_COMMENT_EDK1_SPLIT, CommentCharacter)
#
# separate comments and statements
#
LineParts = Line.split(CommentCharacter, 1)
#
# remove whitespace again
#
Line = LineParts[0].strip()
if len(LineParts) > 1:
Comment = LineParts[1].strip()
#
# Remove prefixed and trailing comment characters
#
Start = 0
End = len(Comment)
while Start < End and Comment.startswith(CommentCharacter, Start, End):
Start += 1
while End >= 0 and Comment.endswith(CommentCharacter, Start, End):
End -= 1
Comment = Comment[Start:End]
Comment = Comment.strip()
else:
Comment = ''
return Line, Comment
## GetMultipleValuesOfKeyFromLines
#
# Parse multiple strings to clean comment and spaces
# The result is saved to KeyValues
#
# @param Lines: The content to be parsed
# @param Key: Reserved
# @param KeyValues: To store data after parsing
# @param CommentCharacter: Comment char, used to ignore comment content
#
def GetMultipleValuesOfKeyFromLines(Lines, Key, KeyValues, CommentCharacter):
if Key:
pass
if KeyValues:
pass
Lines = Lines.split(DataType.TAB_SECTION_END, 1)[1]
LineList = Lines.split('\n')
for Line in LineList:
Line = CleanString(Line, CommentCharacter)
if Line != '' and Line[0] != CommentCharacter:
KeyValues += [Line]
return True
## GetDefineValue
#
# Parse a DEFINE statement to get defined value
# DEFINE Key Value
#
# @param String: The content to be parsed
# @param Key: The key of DEFINE statement
# @param CommentCharacter: Comment char, used to ignore comment content
#
def GetDefineValue(String, Key, CommentCharacter):
if CommentCharacter:
pass
String = CleanString(String)
return String[String.find(Key + ' ') + len(Key + ' ') : ]
## GetSingleValueOfKeyFromLines
#
# Parse multiple strings as below to get value of each definition line
# Key1 = Value1
# Key2 = Value2
# The result is saved to Dictionary
#
# @param Lines: The content to be parsed
# @param Dictionary: To store data after parsing
# @param CommentCharacter: Comment char, be used to ignore comment content
# @param KeySplitCharacter: Key split char, between key name and key value.
# Key1 = Value1, '=' is the key split char
# @param ValueSplitFlag: Value split flag, be used to decide if has
# multiple values
# @param ValueSplitCharacter: Value split char, be used to split multiple
# values. Key1 = Value1|Value2, '|' is the value
# split char
#
def GetSingleValueOfKeyFromLines(Lines, Dictionary, CommentCharacter, KeySplitCharacter, \
ValueSplitFlag, ValueSplitCharacter):
Lines = Lines.split('\n')
Keys = []
Value = ''
DefineValues = ['']
SpecValues = ['']
for Line in Lines:
#
# Handle DEFINE and SPEC
#
if Line.find(DataType.TAB_INF_DEFINES_DEFINE + ' ') > -1:
if '' in DefineValues:
DefineValues.remove('')
DefineValues.append(GetDefineValue(Line, DataType.TAB_INF_DEFINES_DEFINE, CommentCharacter))
continue
if Line.find(DataType.TAB_INF_DEFINES_SPEC + ' ') > -1:
if '' in SpecValues:
SpecValues.remove('')
SpecValues.append(GetDefineValue(Line, DataType.TAB_INF_DEFINES_SPEC, CommentCharacter))
continue
#
# Handle Others
#
LineList = Line.split(KeySplitCharacter, 1)
if len(LineList) >= 2:
Key = LineList[0].split()
if len(Key) == 1 and Key[0][0] != CommentCharacter:
#
# Remove comments and white spaces
#
LineList[1] = CleanString(LineList[1], CommentCharacter)
if ValueSplitFlag:
Value = map(strip, LineList[1].split(ValueSplitCharacter))
else:
Value = CleanString(LineList[1], CommentCharacter).splitlines()
if Key[0] in Dictionary:
if Key[0] not in Keys:
Dictionary[Key[0]] = Value
Keys.append(Key[0])
else:
Dictionary[Key[0]].extend(Value)
else:
Dictionary[DataType.TAB_INF_DEFINES_MACRO][Key[0]] = Value[0]
if DefineValues == []:
DefineValues = ['']
if SpecValues == []:
SpecValues = ['']
Dictionary[DataType.TAB_INF_DEFINES_DEFINE] = DefineValues
Dictionary[DataType.TAB_INF_DEFINES_SPEC] = SpecValues
return True
## The content to be parsed
#
# Do pre-check for a file before it is parsed
# Check $()
# Check []
#
# @param FileName: Used for error report
# @param FileContent: File content to be parsed
# @param SupSectionTag: Used for error report
#
def PreCheck(FileName, FileContent, SupSectionTag):
if SupSectionTag:
pass
LineNo = 0
IsFailed = False
NewFileContent = ''
for Line in FileContent.splitlines():
LineNo = LineNo + 1
#
# Clean current line
#
Line = CleanString(Line)
#
# Remove commented line
#
if Line.find(DataType.TAB_COMMA_SPLIT) == 0:
Line = ''
#
# Check $()
#
if Line.find('$') > -1:
if Line.find('$(') < 0 or Line.find(')') < 0:
Logger.Error("Parser", FORMAT_INVALID, Line=LineNo, File=FileName, RaiseError = Logger.IS_RAISE_ERROR)
#
# Check []
#
if Line.find('[') > -1 or Line.find(']') > -1:
#
# Only get one '[' or one ']'
#
if not (Line.find('[') > -1 and Line.find(']') > -1):
Logger.Error("Parser", FORMAT_INVALID, Line=LineNo, File=FileName, RaiseError = Logger.IS_RAISE_ERROR)
#
# Regenerate FileContent
#
NewFileContent = NewFileContent + Line + '\r\n'
if IsFailed:
Logger.Error("Parser", FORMAT_INVALID, Line=LineNo, File=FileName, RaiseError = Logger.IS_RAISE_ERROR)
return NewFileContent
## CheckFileType
#
# Check if the Filename is including ExtName
# Return True if it exists
# Raise a error message if it not exists
#
# @param CheckFilename: Name of the file to be checked
# @param ExtName: Ext name of the file to be checked
# @param ContainerFilename: The container file which describes the file to be
# checked, used for error report
# @param SectionName: Used for error report
# @param Line: The line in container file which defines the file
# to be checked
#
def CheckFileType(CheckFilename, ExtName, ContainerFilename, SectionName, Line, LineNo=-1):
if CheckFilename != '' and CheckFilename != None:
(Root, Ext) = os.path.splitext(CheckFilename)
if Ext.upper() != ExtName.upper() and Root:
ContainerFile = open(ContainerFilename, 'r').read()
if LineNo == -1:
LineNo = GetLineNo(ContainerFile, Line)
ErrorMsg = ST.ERR_SECTIONNAME_INVALID % (SectionName, CheckFilename, ExtName)
Logger.Error("Parser", PARSER_ERROR, ErrorMsg, Line=LineNo, \
File=ContainerFilename, RaiseError=Logger.IS_RAISE_ERROR)
return True
## CheckFileExist
#
# Check if the file exists
# Return True if it exists
# Raise a error message if it not exists
#
# @param CheckFilename: Name of the file to be checked
# @param WorkspaceDir: Current workspace dir
# @param ContainerFilename: The container file which describes the file to
# be checked, used for error report
# @param SectionName: Used for error report
# @param Line: The line in container file which defines the
# file to be checked
#
def CheckFileExist(WorkspaceDir, CheckFilename, ContainerFilename, SectionName, Line, LineNo=-1):
CheckFile = ''
if CheckFilename != '' and CheckFilename != None:
CheckFile = WorkspaceFile(WorkspaceDir, CheckFilename)
if not os.path.isfile(CheckFile):
ContainerFile = open(ContainerFilename, 'r').read()
if LineNo == -1:
LineNo = GetLineNo(ContainerFile, Line)
ErrorMsg = ST.ERR_CHECKFILE_NOTFOUND % (CheckFile, SectionName)
Logger.Error("Parser", PARSER_ERROR, ErrorMsg,
File=ContainerFilename, Line = LineNo, RaiseError=Logger.IS_RAISE_ERROR)
return CheckFile
## GetLineNo
#
# Find the index of a line in a file
#
# @param FileContent: Search scope
# @param Line: Search key
#
def GetLineNo(FileContent, Line, IsIgnoreComment=True):
LineList = FileContent.splitlines()
for Index in range(len(LineList)):
if LineList[Index].find(Line) > -1:
#
# Ignore statement in comment
#
if IsIgnoreComment:
if LineList[Index].strip()[0] == DataType.TAB_COMMENT_SPLIT:
continue
return Index + 1
return -1
## RaiseParserError
#
# Raise a parser error
#
# @param Line: String which has error
# @param Section: Used for error report
# @param File: File which has the string
# @param Format: Correct format
#
def RaiseParserError(Line, Section, File, Format='', LineNo=-1):
if LineNo == -1:
LineNo = GetLineNo(open(os.path.normpath(File), 'r').read(), Line)
ErrorMsg = ST.ERR_INVALID_NOTFOUND % (Line, Section)
if Format != '':
Format = "Correct format is " + Format
Logger.Error("Parser", PARSER_ERROR, ErrorMsg, File=File, Line=LineNo, \
ExtraData=Format, RaiseError=Logger.IS_RAISE_ERROR)
## WorkspaceFile
#
# Return a full path with workspace dir
#
# @param WorkspaceDir: Workspace dir
# @param Filename: Relative file name
#
def WorkspaceFile(WorkspaceDir, Filename):
return os.path.join(NormPath(WorkspaceDir), NormPath(Filename))
## Split string
#
# Revmove '"' which startswith and endswith string
#
# @param String: The string need to be splited
#
def SplitString(String):
if String.startswith('\"'):
String = String[1:]
if String.endswith('\"'):
String = String[:-1]
return String
## Convert To Sql String
#
# Replace "'" with "''" in each item of StringList
#
# @param StringList: A list for strings to be converted
#
def ConvertToSqlString(StringList):
return map(lambda s: s.replace("'", "''") , StringList)
## Convert To Sql String
#
# Replace "'" with "''" in the String
#
# @param String: A String to be converted
#
def ConvertToSqlString2(String):
return String.replace("'", "''")
## GetStringOfList
#
# Get String of a List
#
# @param Lines: string list
# @param Split: split character
#
def GetStringOfList(List, Split = ' '):
if type(List) != type([]):
return List
Str = ''
for Item in List:
Str = Str + Item + Split
return Str.strip()
## Get HelpTextList
#
# Get HelpTextList from HelpTextClassList
#
# @param HelpTextClassList: Help Text Class List
#
def GetHelpTextList(HelpTextClassList):
List = []
if HelpTextClassList:
for HelpText in HelpTextClassList:
if HelpText.String.endswith('\n'):
HelpText.String = HelpText.String[0: len(HelpText.String) - len('\n')]
List.extend(HelpText.String.split('\n'))
return List
## Get String Array Length
#
# Get String Array Length
#
# @param String: the source string
#
def StringArrayLength(String):
if isinstance(String, unicode):
return (len(String) + 1) * 2 + 1
elif String.startswith('L"'):
return (len(String) - 3 + 1) * 2
elif String.startswith('"'):
return (len(String) - 2 + 1)
else:
return len(String.split()) + 1
## RemoveDupOption
#
# Remove Dup Option
#
# @param OptionString: the option string
# @param Which: Which flag
# @param Against: Against flag
#
def RemoveDupOption(OptionString, Which="/I", Against=None):
OptionList = OptionString.split()
ValueList = []
if Against:
ValueList += Against
for Index in range(len(OptionList)):
Opt = OptionList[Index]
if not Opt.startswith(Which):
continue
if len(Opt) > len(Which):
Val = Opt[len(Which):]
else:
Val = ""
if Val in ValueList:
OptionList[Index] = ""
else:
ValueList.append(Val)
return " ".join(OptionList)
## Check if the string is HexDgit
#
# Return true if all characters in the string are digits and there is at
# least one character
# or valid Hexs (started with 0x, following by hexdigit letters)
# , false otherwise.
# @param string: input string
#
def IsHexDigit(Str):
try:
int(Str, 10)
return True
except ValueError:
if len(Str) > 2 and Str.upper().startswith('0X'):
try:
int(Str, 16)
return True
except ValueError:
return False
return False
## Check if the string is HexDgit and its interger value within limit of UINT32
#
# Return true if all characters in the string are digits and there is at
# least one character
# or valid Hexs (started with 0x, following by hexdigit letters)
# , false otherwise.
# @param string: input string
#
def IsHexDigitUINT32(Str):
try:
Value = int(Str, 10)
if (Value <= 0xFFFFFFFF) and (Value >= 0):
return True
except ValueError:
if len(Str) > 2 and Str.upper().startswith('0X'):
try:
Value = int(Str, 16)
if (Value <= 0xFFFFFFFF) and (Value >= 0):
return True
except ValueError:
return False
return False
## CleanSpecialChar
#
# The ASCII text files of type INF, DEC, INI are edited by developers,
# and may contain characters that cannot be directly translated to strings that
# are conformant with the UDP XML Schema. Any characters in this category
# (0x00-0x08, TAB [0x09], 0x0B, 0x0C, 0x0E-0x1F, 0x80-0xFF)
# must be converted to a space character[0x20] as part of the parsing process.
#
def ConvertSpecialChar(Lines):
RetLines = []
for line in Lines:
ReMatchSpecialChar = re.compile(r"[\x00-\x08]|\x09|\x0b|\x0c|[\x0e-\x1f]|[\x7f-\xff]")
RetLines.append(ReMatchSpecialChar.sub(' ', line))
return RetLines
## __GetTokenList
#
# Assume Str is a valid feature flag expression.
# Return a list which contains tokens: alpha numeric token and other token
# Whitespace are not stripped
#
def __GetTokenList(Str):
InQuote = False
Token = ''
TokenOP = ''
PreChar = ''
List = []
for Char in Str:
if InQuote:
Token += Char
if Char == '"' and PreChar != '\\':
InQuote = not InQuote
List.append(Token)
Token = ''
continue
if Char == '"':
if Token and Token != 'L':
List.append(Token)
Token = ''
if TokenOP:
List.append(TokenOP)
TokenOP = ''
InQuote = not InQuote
Token += Char
continue
if not (Char.isalnum() or Char in '_'):
TokenOP += Char
if Token:
List.append(Token)
Token = ''
else:
Token += Char
if TokenOP:
List.append(TokenOP)
TokenOP = ''
if PreChar == '\\' and Char == '\\':
PreChar = ''
else:
PreChar = Char
if Token:
List.append(Token)
if TokenOP:
List.append(TokenOP)
return List
## ConvertNEToNOTEQ
#
# Convert NE operator to NOT EQ
# For example: 1 NE 2 -> 1 NOT EQ 2
#
# @param Expr: Feature flag expression to be converted
#
def ConvertNEToNOTEQ(Expr):
List = __GetTokenList(Expr)
for Index in range(len(List)):
if List[Index] == 'NE':
List[Index] = 'NOT EQ'
return ''.join(List)
## ConvertNOTEQToNE
#
# Convert NOT EQ operator to NE
# For example: 1 NOT NE 2 -> 1 NE 2
#
# @param Expr: Feature flag expression to be converted
#
def ConvertNOTEQToNE(Expr):
List = __GetTokenList(Expr)
HasNOT = False
RetList = []
for Token in List:
if HasNOT and Token == 'EQ':
# At least, 'NOT' is in the list
while not RetList[-1].strip():
RetList.pop()
RetList[-1] = 'NE'
HasNOT = False
continue
if Token == 'NOT':
HasNOT = True
elif Token.strip():
HasNOT = False
RetList.append(Token)
return ''.join(RetList)
## SplitPcdEntry
#
# Split an PCD entry string to Token.CName and PCD value and FFE.
# NOTE: PCD Value and FFE can contain "|" in it's expression. And in INF specification, have below rule.
# When using the characters "|" or "||" in an expression, the expression must be encapsulated in
# open "(" and close ")" parenthesis.
#
# @param String An PCD entry string need to be split.
#
# @return List [PcdTokenCName, Value, FFE]
#
def SplitPcdEntry(String):
if not String:
return ['', '',''], False
PcdTokenCName = ''
PcdValue = ''
PcdFeatureFlagExp = ''
ValueList = GetSplitValueList(String, "|", 1)
#
# Only contain TokenCName
#
if len(ValueList) == 1:
return [ValueList[0]], True
NewValueList = []
if len(ValueList) == 2:
PcdTokenCName = ValueList[0]
ValueList = GetSplitValueList(ValueList[1], "|")
RemainCount = 0
for Item in ValueList:
ParenthesisCount = 0
for Char in Item:
if Char == "(":
ParenthesisCount += 1
if Char == ")":
ParenthesisCount -= 1
#
# An individual item
#
if RemainCount == 0 and ParenthesisCount >= 0:
NewValueList.append(Item)
RemainCount = ParenthesisCount
elif RemainCount > 0 and RemainCount + ParenthesisCount >= 0:
NewValueList[-1] = NewValueList[-1] + '|' + Item
RemainCount = RemainCount + ParenthesisCount
elif RemainCount > 0 and RemainCount + ParenthesisCount < 0:
#
# ERROR, return
#
return ['', '', ''], False
if len(NewValueList) == 1:
PcdValue = NewValueList[0]
return [PcdTokenCName, PcdValue], True
elif len(NewValueList) == 2:
PcdValue = NewValueList[0]
PcdFeatureFlagExp = NewValueList[1]
return [PcdTokenCName, PcdValue, PcdFeatureFlagExp], True
else:
return ['', '', ''], False
return ['', '', ''], False