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## @file
# This file is used to define class objects of INF file [Protocols] section. 
# It will consumed by InfParser. 
#
# 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.

'''
InfProtocolObject
'''

from Library.ParserValidate import IsValidCVariableName
from Library.CommentParsing import ParseComment
from Library.ExpressionValidate import IsValidFeatureFlagExp 
                               
from Library.Misc import Sdict

from Object.Parser.InfMisc import ErrorInInf

from Library import DataType as DT
from Logger import StringTable as ST

def ParseProtocolComment(CommentsList, InfProtocolItemObj):
    CommentInsList = []
    PreUsage = None
    PreNotify = None
    PreHelpText = ''
    BlockFlag = -1
    Count = 0
    for CommentItem in CommentsList:
        Count = Count + 1
        CommentItemUsage, \
        CommentItemNotify, \
        CommentItemString, \
        CommentItemHelpText = \
                ParseComment(CommentItem, 
                             DT.PROTOCOL_USAGE_TOKENS, 
                             DT.PROTOCOL_NOTIFY_TOKENS, 
                             ['PROTOCOL'], 
                             False)
        
        if CommentItemString:
            pass
        
        if CommentItemHelpText == None:
            CommentItemHelpText = ''
            if Count == len(CommentsList) and CommentItemUsage == CommentItemNotify == DT.ITEM_UNDEFINED:
                CommentItemHelpText = DT.END_OF_LINE
                                        
        if Count == len(CommentsList):
            if BlockFlag == 1 or BlockFlag == 2:
                if CommentItemUsage == CommentItemNotify == DT.ITEM_UNDEFINED:
                    BlockFlag = 4
                else:
                    BlockFlag = 3
            elif BlockFlag == -1:
                BlockFlag = 4  
        
        if BlockFlag == -1 or BlockFlag == 1 or BlockFlag == 2:                                   
            if CommentItemUsage == CommentItemNotify == DT.ITEM_UNDEFINED:
                if BlockFlag == -1:
                    BlockFlag = 1
                elif BlockFlag == 1:
                    BlockFlag = 2
            else:
                if BlockFlag == 1 or BlockFlag == 2:
                    BlockFlag = 3
                elif BlockFlag == -1:
                    BlockFlag = 4
                                                                          
        #
        # Combine two comment line if they are generic comment
        #   
        if CommentItemUsage == CommentItemNotify == PreUsage == PreNotify == DT.ITEM_UNDEFINED:
            CommentItemHelpText = PreHelpText + DT.END_OF_LINE + CommentItemHelpText
            
            PreHelpText = CommentItemHelpText
            
        if BlockFlag == 4:     
            CommentItemIns = InfProtocolItemCommentContent()
            CommentItemIns.SetUsageItem(CommentItemUsage)
            CommentItemIns.SetNotify(CommentItemNotify)
            CommentItemIns.SetHelpStringItem(CommentItemHelpText)
            CommentInsList.append(CommentItemIns)
            
            BlockFlag = -1
            PreUsage = None
            PreNotify = None
            PreHelpText = ''
            
        elif BlockFlag == 3:
            #
            # Add previous help string
            # 
            CommentItemIns = InfProtocolItemCommentContent()
            CommentItemIns.SetUsageItem(DT.ITEM_UNDEFINED)
            CommentItemIns.SetNotify(DT.ITEM_UNDEFINED)
            if PreHelpText == '' or PreHelpText.endswith(DT.END_OF_LINE):
                PreHelpText += DT.END_OF_LINE            
            CommentItemIns.SetHelpStringItem(PreHelpText)
            CommentInsList.append(CommentItemIns)
            #
            # Add Current help string
            #
            CommentItemIns = InfProtocolItemCommentContent()
            CommentItemIns.SetUsageItem(CommentItemUsage)
            CommentItemIns.SetNotify(CommentItemNotify)
            CommentItemIns.SetHelpStringItem(CommentItemHelpText)
            CommentInsList.append(CommentItemIns)
            
            BlockFlag = -1
            PreUsage = None
            PreNotify = None
            PreHelpText = ''    
                                                                            
        else:
            PreUsage = CommentItemUsage
            PreNotify = CommentItemNotify
            PreHelpText = CommentItemHelpText
            
    InfProtocolItemObj.SetCommentList(CommentInsList)
    
    return InfProtocolItemObj

class InfProtocolItemCommentContent():
    def __init__(self):
        #
        # ## SOMETIMES_CONSUMES ## HelpString 
        #
        self.UsageItem = ''
        #
        # Help String
        #
        self.HelpStringItem = ''
        self.Notify = ''
        self.CommentList = []
                
    def SetUsageItem(self, UsageItem):
        self.UsageItem = UsageItem
    def GetUsageItem(self):
        return self.UsageItem
    
    def SetNotify(self, Notify):
        if Notify != DT.ITEM_UNDEFINED:
            self.Notify = 'true'
    def GetNotify(self):
        return self.Notify
          
    def SetHelpStringItem(self, HelpStringItem):
        self.HelpStringItem = HelpStringItem
    def GetHelpStringItem(self):
        return self.HelpStringItem
    
class InfProtocolItem():
    def __init__(self):
        self.Name = ''
        self.FeatureFlagExp = ''
        self.SupArchList = []
        self.CommentList = []
        
    def SetName(self, Name):
        self.Name = Name
    def GetName(self):
        return self.Name
    
    def SetFeatureFlagExp(self, FeatureFlagExp):
        self.FeatureFlagExp = FeatureFlagExp
    def GetFeatureFlagExp(self):
        return self.FeatureFlagExp
  
    def SetSupArchList(self, SupArchList):
        self.SupArchList = SupArchList
    def GetSupArchList(self):
        return self.SupArchList      

    def SetCommentList(self, CommentList):
        self.CommentList = CommentList
    def GetCommentList(self):
        return self.CommentList

##
#
#
#
class InfProtocolObject():
    def __init__(self):
        self.Protocols = Sdict()
        #
        # Macro defined in this section should be only used in this section.
        #
        self.Macros = {}
        
    def SetProtocol(self, ProtocolContent, Arch = None,):
        __SupArchList = []
        for ArchItem in Arch:
            #
            # Validate Arch
            #            
            if (ArchItem == '' or ArchItem == None):
                ArchItem = 'COMMON'
            __SupArchList.append(ArchItem)

        for Item in ProtocolContent:
            #
            # Get Comment content of this protocol
            #
            CommentsList = None
            if len(Item) == 3:
                CommentsList = Item[1]
            CurrentLineOfItem = Item[2]
            LineInfo = (CurrentLineOfItem[2], CurrentLineOfItem[1], CurrentLineOfItem[0])
            Item = Item[0]
            InfProtocolItemObj = InfProtocolItem()
            if len(Item) >= 1 and len(Item) <= 2:
                #
                # Only CName contained
                #
                if not IsValidCVariableName(Item[0]):
                    ErrorInInf(ST.ERR_INF_PARSER_INVALID_CNAME%(Item[0]),
                               LineInfo=LineInfo)
                if (Item[0] != ''):
                    InfProtocolItemObj.SetName(Item[0])
                else:
                    ErrorInInf(ST.ERR_INF_PARSER_CNAME_MISSING,
                               LineInfo=LineInfo)
            if len(Item) == 2:
                #
                # Contained CName and Feature Flag Express
                # <statements>           ::=  <CName> ["|" 
                # <FeatureFlagExpress>]
                # For Protocol Object
                #
                if Item[1].strip() == '':
                    ErrorInInf(ST.ERR_INF_PARSER_FEATURE_FLAG_EXP_MISSING,
                               LineInfo=LineInfo)
                #
                # Validate Feature Flag Express for Item[1]
                #
                FeatureFlagRtv = IsValidFeatureFlagExp(Item[1].strip())
                if not FeatureFlagRtv[0]:
                    ErrorInInf(ST.ERR_INF_PARSER_FEATURE_FLAG_EXP_SYNTAX_INVLID%(FeatureFlagRtv[1]),
                               LineInfo=LineInfo)
                InfProtocolItemObj.SetFeatureFlagExp(Item[1])
            
            if len(Item) < 1 or len(Item) > 2:
                #
                # Invalid format of Protocols statement 
                #
                ErrorInInf(ST.ERR_INF_PARSER_GUID_PPI_PROTOCOL_SECTION_CONTENT_ERROR,
                           LineInfo=LineInfo)
            
            #
            # Get/Set Usage and HelpString for Protocol entry
            #
            if CommentsList != None and len(CommentsList) != 0:
                InfProtocolItemObj = ParseProtocolComment(CommentsList, InfProtocolItemObj)
            else:
                CommentItemIns = InfProtocolItemCommentContent()
                CommentItemIns.SetUsageItem(DT.ITEM_UNDEFINED)
                CommentItemIns.SetNotify(DT.ITEM_UNDEFINED)
                InfProtocolItemObj.SetCommentList([CommentItemIns])
            
            InfProtocolItemObj.SetSupArchList(__SupArchList)
            
            #
            # Determine protocol name duplicate. Follow below rule:
            #
            # A protocol must not be duplicated within a [Protocols] section. 
            # A protocol may appear in multiple architectural [Protocols] 
            # sections. A protocol listed in an architectural [Protocols] 
            # section must not be listed in the common architectural 
            # [Protocols] section.
            # 
            # NOTE: This check will not report error now.
            # 
            for Item in self.Protocols:
                if Item.GetName() == InfProtocolItemObj.GetName():
                    ItemSupArchList = Item.GetSupArchList()
                    for ItemArch in ItemSupArchList:
                        for ProtocolItemObjArch in __SupArchList:
                            if ItemArch == ProtocolItemObjArch:
                                #
                                # ST.ERR_INF_PARSER_ITEM_DUPLICATE
                                #
                                pass
                            if ItemArch.upper() == 'COMMON' or ProtocolItemObjArch.upper() == 'COMMON':
                                #
                                # ST.ERR_INF_PARSER_ITEM_DUPLICATE_COMMON
                                #
                                pass      
                                      
            if self.Protocols.has_key((InfProtocolItemObj)):           
                ProcotolList = self.Protocols[InfProtocolItemObj]
                ProcotolList.append(InfProtocolItemObj)
                self.Protocols[InfProtocolItemObj] = ProcotolList
            else:
                ProcotolList = []
                ProcotolList.append(InfProtocolItemObj)
                self.Protocols[InfProtocolItemObj] = ProcotolList
                
        return True
    
    def GetProtocol(self):
        return self.Protocols